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Aclaris Therapeutics, Inc.

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-K

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2021

Commission file number 001-37581

ACLARIS THERAPEUTICS, INC.

Incorporated under the Laws of the
State of Delaware

I.R.S. Employer Identification No.
46-0571712

640 Lee Road, Suite 200
Wayne, PA 19087
(484) 324-7933

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class:
Common Stock, $0.00001 par value

Trading Symbol(s)
ACRS

Name of Each Exchange on which Registered
The Nasdaq Stock Market, LLC

Securities registered pursuant to Section 12(g) of the Act:

None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ⌧     No ☐ 

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Exchange Act. Yes ☐      No ⌧

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding

12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ⌧
    No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T

(§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ⌧     No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or emerging growth
company. See definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer ⌧

Accelerated filer ☐

Non-accelerated filer ☐

Smaller reporting company ☐

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised

financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial

reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☒

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐    No ⌧

As of June 30, 2021, the last business day of the registrant’s last completed second quarter, the aggregate market value of the registrant’s common stock held by non-
affiliates of the registrant was approximately $914.5 million based on the closing price of the registrant’s common stock, as reported by the Nasdaq Global Select Market, on such
date.

As of January 31, 2022, 61,275,033 shares of common stock, $0.00001 par value, were outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Company's definitive proxy statement, to be filed pursuant to Regulation 14A under the Securities Exchange Act of 1934, for its 2022 Annual Meeting of
Stockholders are incorporated by reference in Part III of this Form 10-K.

 
 
 
 
 
 
 
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SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Annual Report on Form 10-K, or this Annual Report, contains forward-looking statements within the meaning
of Section 27A of the Securities Act of 1933, as amended, or the Securities Act, and Section 21E of the Securities Exchange
Act  of  1934,  as  amended,  or  the  Exchange  Act,  that  involve  substantial  risks  and  uncertainties.  The  forward-looking
statements  are  contained  principally  in  Part  I,  Item  1.  “Business,”  Part  I,  Item  1A.  “Risk  Factors,”  and  Part  II,  Item  7.
“Management’s  Discussion  and  Analysis  of  Financial  Condition  and  Results  of  Operations,”  but  are  also  contained
elsewhere in this Annual Report. In some cases, you can identify forward-looking statements by the words “may,” “might,”
“can,”  “will,”  “to  be,”  “could,”  “would,”  “should,”  “expect,”  “intend,”  “plan,”  “objective,”  “anticipate,”  “believe,”
“estimate,”  “predict,”  “project,”  “potential,”  “likely,”  “continue”  and  “ongoing,”  or  the  negative  of  these  terms,  or  other
comparable  terminology  intended  to  identify  statements  about  the  future.  These  statements  involve  known  and  unknown
risks, uncertainties and other factors that may cause our actual results, levels of activity, performance or achievements to be
materially different from the information expressed or implied by these forward-looking statements. Although we believe
that we have a reasonable basis for each forward-looking statement contained in this Annual Report, we caution you that
these statements are based on a combination of facts and factors currently known by us and our expectations of the future,
about which we cannot be certain. Forward-looking statements include statements about:

● our plans to develop our drug candidates;
● the timing of our planned clinical trials of our drug candidates and the reporting of the results from these trials;
● the clinical utility of our drug candidates;
● our plans and expectations related to manufacturing capabilities and strategy;
● our expectations regarding coverage and reimbursement of our drug candidates, if approved;
● the timing of our regulatory filings and approvals for our drug candidates;
● our intellectual property position;
● our plans to pursue strategic alternatives, including identifying and consummating transactions with third-party
partners, to further develop, obtain marketing approval for and/or commercialize our drug candidates, and earn
revenue from such arrangements;
● our expectations regarding competition;
● our expectations regarding our continued reliance on third parties;
● the impacts of the COVID-19 pandemic on our business;
● our expectations regarding our use of capital; and
● our estimates regarding future revenue, expenses and needs for additional financing.  

You should refer to Part I, Item 1A. “Risk Factors” in this Annual Report for a discussion of important factors that
may cause our actual results to differ materially from those expressed or implied by our forward-looking statements. As a
result  of  these  factors,  we  cannot  assure  you  that  the  forward-looking  statements  in  this  Annual  Report  will  prove  to  be
accurate, and you should not place undue reliance on these forward-looking statements. Furthermore, if our forward-looking
statements prove to be inaccurate, the inaccuracy may be material. In light of the significant uncertainties in these forward-
looking statements, you should not regard these statements as a representation or warranty by us or any other person that we
will achieve our objectives and plans in any specified time frame, or at all. The forward-looking statements in this Annual
Report  represent  our  views  as  of  the  date  of  this  Annual  Report.  We  anticipate  that  subsequent  events  and  developments
may cause our views to change. However, while we may elect to update these forward-looking statements at some point in
the  future,  we  undertake  no  obligation  to  publicly  update  any  forward-looking  statements,  whether  as  a  result  of  new
information, future events or otherwise, except as required by law. You should, therefore, not rely on these forward-looking
statements as representing our views as of any date subsequent to the date of this Annual Report.

All brand names or trademarks appearing in this Annual Report, including KINect, ESKATA and RHOFADE are
the  property  of  their  respective  owners.  Unless  the  context  requires  otherwise,  references  in  this  report  to  “Aclaris,”  the
“Company,” “we,” “us,” and “our” refer to Aclaris Therapeutics, Inc. and its subsidiaries.

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PART I
Item 1. Business
Item 1A. Risk Factors
Item 1B. Unresolved Staff Comments
Item 2. Properties
Item 3. Legal Proceedings
Item 4. Mine Safety Disclosures

TABLE OF CONTENTS

PART II
Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity

Securities

Item 6. [Reserved]
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations
Item 7A. Quantitative and Qualitative Disclosures About Market Risk
Item 8. Financial Statements and Supplementary Data
Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
Item 9A. Controls and Procedures
Item 9B. Other Information
Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

PART III
Item 10. Directors, Executive Officers and Corporate Governance
Item 11. Executive Compensation
Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters
Item 13. Certain Relationships and Related Transactions, and Director Independence
Item 14. Principal Accountant Fees and Services

PART IV
Item 15. Exhibits and Financial Statement Schedules
Item 16. Form 10-K Summary
Signatures

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Item 1. Business

Overview

PART I

We  are  a  clinical-stage  biopharmaceutical  company  focused  on  developing  novel  drug  candidates  for  immuno-
inflammatory  diseases.    In  addition  to  developing  our  novel  drug  candidates,  we  are  pursuing  strategic  alternatives,
including  identifying  and  consummating  transactions  with  third-party  partners,  to  further  develop,  obtain  marketing
approval for and/or commercialize our novel drug candidates.

In  2017,  we  acquired  Confluence  Life  Sciences,  Inc.  (now  known  as  Aclaris  Life  Sciences,  Inc.),  or
Confluence.  The acquisition of Confluence added small molecule drug discovery and preclinical development capabilities,
including  KINect,  a  proprietary  drug  discovery  platform.  This  allowed  us  to  bring  early-stage  research  and  development
activities  in-house  that  we  previously  outsourced  to  third  parties.  We  leverage  these  capabilities  and  KINect  to  identify
potential  drug  candidates  that  we  may  develop  independently  or  in  collaboration  with  third  parties.  As  part  of  the
Confluence  acquisition  we  also  acquired  our  investigational  drug  candidates  zunsemetinib,  an  inhibitor  of  the  mitogen-
activated protein kinase-activated protein kinase 2, or MK2, signaling pathway, ATI-1777, a topical “soft” Janus kinase, or
JAK,  inhibitor,  and  ATI-2138,  an  inhibitor  of  interleukin-2-inducible  T  cell  kinase,  or  ITK.  We  also  earn  revenue  from
Confluence’s provision of contract research services to third parties. 

Our Drug Candidates

Our  pipeline  of  drug  candidates  that  we  are  currently  developing  is  summarized  in  the  table  below.  These

investigational drugs were developed internally utilizing our proprietary KINect drug discovery platform.

Drug Candidate /
Program

Target

Route of
Administration

Indication

Development
Phase

Immuno-Inflammatory

Zunsemetinib

MK2 inhibitor

Oral

ATI-1777

ATI-2138

Gut-Biased
Program

“Soft” JAK 1/3
inhibitor

ITK/TXK/JAK3
inhibitor

JAK inhibitor

Topical

Oral

Oral

Rheumatoid arthritis
(moderate to severe)

Psoriatic arthritis
(moderate to severe)

Hidradenitis suppurativa
(moderate to severe)

Atopic dermatitis
(moderate to severe)

T cell-mediated autoimmune
diseases

Phase 2

Phase 2*

Phase 2

Phase 2

Phase 1

Inflammatory bowel disease

Discovery

Oncology

ATI-2231

MK2 inhibitor

Oral

* We plan to progress this indication directly into Phase 2.

Metastatic breast cancer

Pancreatic cancer

Preclinical

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Clinical Programs

Zunsemetinib, an Investigational Oral MK2 Inhibitor

We submitted an Investigational New Drug Application, or IND, in April 2019 for zunsemetinib, an investigational
oral, novel, small molecule selective MK2 inhibitor compound, for the treatment of rheumatoid arthritis, which was allowed
by the U.S. Food and Drug Administration, or FDA, in May 2019.  MK2 is a key regulator of pro-inflammatory mediators
including TNFα, IL1β, IL6, IL8, IL17 and other essential pathogenic signals in chronic immuno-inflammatory diseases, as
well as in oncology.  As an oral drug candidate, we are developing zunsemetinib as a potential alternative to injectable anti-
TNF/IL1/IL6  biologics  and  JAK  inhibitors  for  treating  certain  immuno-inflammatory  diseases.  Zunsemetinib  has  been
adopted as the nonproprietary name for ATI-450.

We initiated a Phase 1 single (at 10 mg, 30 mg, 50 mg and 100 mg doses) and multiple ascending (at 10 mg, 30 mg
and 50 mg doses) dose clinical trial evaluating zunsemetinib in 77 healthy subjects in August 2019 (ATI-450-PKPD-101).
Final data from this trial demonstrated that zunsemetinib resulted in marked inhibition of TNFα, IL1β, IL8 and IL6. We also
observed that zunsemetinib had dose-proportional pharmacokinetics with a terminal half-life of 9-12 hours in the multiple
ascending dose cohort, and had no meaningful food effect or drug-drug interaction with methotrexate.  Zunsemetinib was
generally well-tolerated at all doses tested in the trial.  The most common adverse events (reported by 2 or more subjects
who  received  zunsemetinib)  were  dizziness,  headache,  upper  respiratory  tract  infection,  constipation,  abdominal  pain  and
nausea. 

Zunsemetinib  was  also  evaluated  at  80  mg  and  120  mg  doses  twice  daily  in  a  second  Phase  1  clinical  trial  in
healthy  subjects  (ATI-450-PKPD-102).  Final  data  from  this  trial  showed  that  no  dose-limiting  toxicity  was  observed.  Ex
vivo analysis of blood samples from this Phase 1 trial showed that increased cytokine inhibition was achieved with these
higher doses of zunsemetinib relative to doses tested in the first Phase 1 trial. No serious adverse events were reported and
all adverse events were mild to moderate. The most common adverse events (reported by 2 or more subjects who received
zunsemetinib) were headache, dizziness, nausea, parasthesia and, in the post-dosing follow-up period of the trial, dry skin.
These adverse events were all mild in severity.

Moderate to Severe Rheumatoid Arthritis

Following  the  completion  of  the  first  Phase  1  clinical  trial,  in  March  2020  we  initiated  a  12-week,  Phase  2a,
multicenter, randomized, investigator and patient-blind, sponsor-unblinded, parallel group, placebo-controlled clinical trial
to investigate the safety, tolerability, pharmacokinetics and pharmacodynamics of zunsemetinib in subjects with moderate to
severe  rheumatoid  arthritis  (ATI-450-RA-201).  In  the  trial,  which  consisted  of  a  12-week  treatment  period  and  a  4-week
follow-up  period,  19  subjects  were  randomized  in  a  3:1  ratio  and  received  either  zunsemetinib  at  50  mg  twice  daily  or
placebo, in combination with methotrexate, for 12 weeks.

The final per-protocol analysis, which consisted of the 17 subjects who completed the treatment period (15 in the
treatment arm and two in the placebo arm), showed that zunsemetinib demonstrated durable clinical activity, as defined by a
marked and sustained reduction in DAS28-CRP and improvement of ACR20/50/70 responses over 12 weeks. Zunsemetinib
was generally well tolerated. All adverse events were mild to moderate. The most common adverse events (each reported in
2 subjects) were urinary tract infection, or UTI, and ventricular extrasystoles, all of which were determined to be unrelated
to treatment except for one UTI. Two subjects withdrew from the trial during the treatment period, one in the treatment arm
and one in the placebo arm. The subject in the treatment arm withdrew due to an elevated creatine phosphokinase, or CPK,
level, which was determined by the site investigator to be treatment-related; this subject also had palpitations and ventricular
extrasystoles, which were unrelated to the trial medication. The subject in the placebo arm withdrew as a result of prohibited
medication  needed  to  treat  muscle  strain.  There  was  also  one  non-treatment-related  serious  adverse  event  (COVID-19)
reported  in  the  4-week  follow-up  period  of  the  trial  in  a  subject  who  was  no  longer  receiving  treatment;  the  subject
withdrew during the 4-week follow-up period of the trial.

A  final  analysis,  which  consisted  of  the  17  subjects,  of  ex  vivo  stimulated  cytokines  from  blood  samples  taken
from the treatment arm showed a marked and durable inhibition of TNFα, IL1β, IL6, and IL8 over the 12-week treatment
period. Similarly, analysis of endogenous inflammation biomarkers also demonstrated a marked and sustained inhibition of
median concentrations of hsCRP, TNFα, IL6, IL8 and MIP1β in the treatment arm over the 12-week period.

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In  December  2021,  we  initiated  study  activities  in  a  Phase  2b  randomized,  multicenter,  double-blind,  parallel
group,  placebo-controlled,  dose  ranging  trial  to  investigate  the  efficacy,  safety,  tolerability,  pharmacokinetics  and
pharmacodynamics of multiple doses (20 mg and 50 mg twice daily) of zunsemetinib in combination with methotrexate in
subjects  with  moderate  to  severe  rheumatoid  arthritis  (ATI-450-RA-202).  This  trial  will  consist  of  a  12-week  treatment
period and a 30-day follow-up period, and currently seeks to enroll approximately 195 subjects in the United States and in
multiple  countries  in  Europe.  The  primary  endpoint  is  the  proportion  of  subjects  achieving  ACR20  at  week  12.  We
anticipate increasing the size of the patient population to approximately 240 subjects and expect topline data in 2023.

Moderate to Severe Hidradenitis Suppurativa

In  December  2021,  we  initiated  study  activities  in  a  Phase  2a,  randomized,  multicenter,  double-blind,  placebo-
controlled trial to investigate the efficacy, safety, tolerability, pharmacokinetics and pharmacodynamics of zunsemetinib (50
mg twice daily) in subjects with moderate to severe hidradenitis suppurativa (ATI-450-HS-201). This trial will consist of a
12-week treatment period and a 30-day follow-up period, and will seek to enroll approximately 70 subjects in the United
States. The primary endpoint is the change in inflammatory nodule and abscess count at week 12. We expect topline data in
the first half of 2023.

Moderate to Severe Psoriatic Arthritis

We  plan  to  progress  zunsemetinib  (50  mg  twice  daily)  into  a  Phase  2a  trial  in  subjects  with  moderate  to  severe

psoriatic arthritis in the first half of 2022, with topline data expected in the first half of 2023 (ATI-450-PsA-201).

ATI-1777, an Investigational Topical “Soft” JAK 1/3 Inhibitor

In June 2020, we submitted an IND for ATI-1777, an investigational topical “soft” JAK 1/3 inhibitor compound,
for  the  treatment  of  moderate  to  severe  atopic  dermatitis.  “Soft”  JAK  inhibitors  are  designed  to  be  topically  applied  and
active  in  the  skin,  but  rapidly  metabolized  and  inactivated  when  they  enter  the  bloodstream,  which  may  result  in  low
systemic exposure.

In October 2020, we initiated a Phase 2a, multicenter, randomized, double-blind, vehicle-controlled, parallel-group
clinical trial to determine the efficacy, safety, tolerability and pharmacokinetics of ATI-1777 in subjects with moderate to
severe  atopic  dermatitis  (ATI-1777-AD-201).  In  the  trial,  which  consisted  of  a  4-week  treatment  period  and  a  2-week
follow-up  period  during  which  no  treatment  was  given,  50  subjects  with  moderate  to  severe  atopic  dermatitis  were
randomized in a 1:1 ratio into one of two arms: ATI-1777 topical solution 2.0% w/w or vehicle applied twice daily. In June
2021,  we  announced  that  the  trial  achieved  its  primary  endpoint,  which  was  the  percent  change  from  baseline  in  the
modified  Eczema  Area  and  Severity  Index,  or  mEASI,  score  at  week  4,  with  a  high  degree  of  statistical  significance
(p<0.001)  (one-sided  p-value),  which  corresponded  to  a  74.4%  reduction  in  mEASI  score  from  baseline  at  week  4  in
subjects applying ATI-1777 compared to a 41.4% reduction in subjects applying vehicle. The final data was based on the
full  analysis  set,  or  FAS,  which  was  comprised  of  48  subjects  randomized  and  documented  to  have  received  at  least  one
dose of trial medication. Positive trends in favor of ATI-1777 were observed in key secondary efficacy endpoints, such as
improvement in itch, percent of mEASI-50 responders, investigator’s global assessment responder analysis, and reduction in
body surface area impacted by disease. In addition, the FAS analysis also showed positive trends in favor of ATI-1777 in
percent of mEASI-75 responders (65.2% for ATI-1777 compared to 24.0% for vehicle) and mEASI-90 responders (30.4%
for  ATI-1777  compared  to  20.0%  for  vehicle).  These  secondary  efficacy  endpoints  were  not  powered  for  statistical
significance. Based on an analysis of pharmacokinetic plasma samples in the ATI-1777 arm at multiple timepoints, minimal
systemic exposure was observed which supports a “soft” topical JAK inhibitor approach.

ATI-1777 was generally well tolerated. No serious adverse events were reported. The most common adverse events
(reported in at least 2 subjects in the trial) were increased blood CPK levels and headache in subjects in the ATI-1777 arm
and urinary tract infection (one in each of the ATI-1777 and the vehicle arm); none of these adverse events in the ATI-1777
arm  were  determined  by  the  clinical  trial  investigators  to  be  related  to  ATI-1777.  One  treatment-related  adverse  event,
application site pruritus, was reported in one subject in the ATI-1777 arm.

Based  on  the  results  observed  in  the  Phase  2a  trial,  we  intend  to  progress  ATI-1777  into  a  Phase  2b  trial  in
moderate  to  severe  atopic  dermatitis  in  the  first  half  of  2022.  In  this  trial,  we  plan  to  explore  multiple  concentrations  of
twice daily treatment with ATI-1777 and a single concentration of once daily treatment with ATI-1777, in patients 12 years
and older. We expect topline data in the first half of 2023.

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ATI-2138, an Investigational Oral ITJ Inhibitor

We are developing ATI-2138, an investigational oral ITK/TXK/JAK3, or ITJ, inhibitor compound, as a potential
treatment for T cell-mediated autoimmune diseases.  The ITJ compound interrupts T cell signaling through the combined
inhibition of ITK/TXK/JAK3 pathways in lymphocytes. We submitted an IND for ATI-2138 for the treatment of psoriasis in
October 2021, which was allowed by the FDA in November 2021.

In December 2021, we initiated a Phase 1 randomized, observer-blind, placebo-controlled, single ascending dose
trial to investigate the safety, tolerability, pharmacokinetics and pharmacodynamics of ATI-2138 in healthy subjects (ATI-
2138-PKPD-101). We expect topline data in 2022.

If the Phase 1 SAD trial is successful, we currently plan to initiate a two-week Phase 1 multiple ascending dose
trial of ATI-2138 in subjects with psoriasis in 2022, with topline data expected in the first half of 2023. We are also currently
exploring alternative indications to the planned indication that are relevant to the mechanism of action which may impact
the trial design and require the submission of additional INDs to different reviewing divisions of the FDA.

Preclinical Programs

ATI-2231, an Investigational Oral MK2 Inhibitor

We are exploring the use of ATI-2231, an investigational oral MK2 inhibitor compound designed to have a long
half-life,  as  a  potential  treatment  for  pancreatic  cancer  and  metastatic  breast  cancer  as  well  as  in  preventing  bone  loss  in
patients with metastatic breast cancer. IND-enabling studies are currently underway. We expect to submit an IND for ATI-
2231 by the end of 2022. If allowed, we expect to progress ATI-2231 into the clinic in 2023. We are currently evaluating the
clinical development program for this asset, which may include a collaboration with a third party.

Discovery Programs

We  are  developing  oral  gut-biased  JAK  inhibitors  with  limited  systemic  exposure  as  potential  treatments  for
inflammatory bowel disease. In addition, we are engaged in research to identify brain penetrant kinase inhibitor candidates
as potential treatments for neurodegenerative diseases.

Manufacturing and Supply

We  do  not  have  any  manufacturing  facilities.    We  rely  on  third  parties  for  the  manufacture  of  preclinical  and

clinical supplies for our drug candidates.

Competition

The pharmaceutical industry is characterized by rapidly advancing technologies, intense competition and a strong
emphasis on proprietary drugs. While we believe that our knowledge, experience and scientific resources provide us with
competitive  advantages,  we  face  potential  competition  from  many  different  sources,  including  major  pharmaceutical,
biotechnology  and  specialty  pharmaceutical  companies,  academic  institutions  and  governmental  agencies  and  public  and
private  research  institutions.  Our  drug  candidates,  if  approved,  will  compete  with  existing  treatments  and  new  treatments
that may become available in the future.

With  respect  to  zunsemetinib  as  a  potential  treatment  for  immuno-inflammatory  diseases  such  as  rheumatoid
arthritis,  psoriatic  arthritis  and  hidradenitis  suppurativa,  there  are  several  different  types  of  therapies  in  the  market.
Medications for the treatment of rheumatoid arthritis and psoriatic arthritis currently fall into two categories: drugs that ease
symptoms  such  as  nonsteroidal  anti-inflammatory  drugs  and  drugs  that  slow  disease  activity.  Drugs  that  slow  disease
activity  include  corticosteroids  and  disease-modifying  anti-rheumatic  drugs,  or  DMARDs.  DMARDs  include  (i)
conventional  synthetic  DMARDs,  such  as  methotrexate,  sulfasalazine,  leflunomide  and  hydroxychloroquine,  (ii)  biologic
DMARDs  (monoclonal  antibodies  which  inhibit  targets  such  as  TNFα,  IL1β,  IL6,  IL17  and  costimulatory  signaling
mechanisms),  and  (iii)  targeted  synthetic  DMARDs  such  as  JAK  inhibitors.  Hidradenitis  suppurativa  is  currently  treated
with antibiotics, corticosteroids and surgery, as well as anti-TNF therapy. Drugs for the treatment of immuno-inflammatory
diseases such as rheumatoid arthritis, psoriatic arthritis and hidradenitis suppurativa are produced and sold, or are approved

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for marketing, by large pharmaceutical companies, including AbbVie, Amgen, Bristol Myers Squibb, Eli Lilly, Johnson &
Johnson,  Pfizer,  Novartis  and  Roche.  In  addition,  we  are  aware  of  a  number  of  companies  developing  and  conducting
clinical trials for investigational drug candidates, including biosimilars, that, if approved, could compete with zunsemetinib,
if approved, for the treatment of immuno-inflammatory diseases.

With  respect  to  ATI-1777  as  a  potential  treatment  for  moderate  to  severe  atopic  dermatitis,  there  are  several
different types of therapies in the atopic dermatitis market, such as biologics, oral and topical corticosteroids, injectable and
oral methotrexate products, oral and topical calcineurin inhibitors, oral mycophenolate products, other JAK inhibitors, other
oral  antibiotics  and  antihistamines  and  phototherapy.  There  are  also  several  prescription,  non-prescription  and  over-the-
counter, or OTC, topical products, including PDE4 inhibitors, utilized to treat atopic dermatitis. These types of drugs are
produced  and  sold,  or  are  approved  for  marketing,  by  large  pharmaceutical  companies,  including  AbbVie,  Incyte,  LEO
Pharma A/S, Pfizer, and Sanofi and Regeneron Pharmaceuticals, Inc. In addition, we are aware of a number of companies
including large pharmaceutical companies, such as Eli Lilly, Novartis, LEO Pharma A/S, Pfizer and Dermavant Sciences
developing  and  conducting  clinical  trials  for  investigational  drug  candidates,  that,  if  approved,  could  compete  with  ATI-
1777, if approved, for the treatment of atopic dermatitis.

The  commercial  opportunity  for  our  drug  candidates,  if  approved,  could  be  reduced  or  eliminated  if  our
competitors develop and commercialize drugs that are safer, more effective, have fewer or less severe side effects, are more
convenient or are less expensive than any drug we may develop. Our competitors also may obtain FDA or other regulatory
approval  for  their  drug  candidates  more  rapidly  than  our  potential  third-party  partners  may  obtain  approval  for  our  drug
candidates, which could result in our competitors establishing a strong market position before our drug candidates are able
to enter the market.

Many  of  the  companies  against  which  we  are  competing,  or  against  which  we  may  compete  in  the  future,  have
significantly  greater  financial  resources  and  expertise  in  research  and  development,  manufacturing,  and  preclinical  and
clinical development than we do. Mergers and acquisitions in the pharmaceutical and biotechnology industries may result in
even more resources being concentrated among a smaller number of our competitors. Smaller or early-stage companies may
also  prove  to  be  significant  competitors,  particularly  through  collaborative  arrangements  with  large  and  established
companies.  These  competitors  also  compete  with  us  in  recruiting  and  retaining  qualified  scientific  and  management
personnel and establishing clinical trial sites and subject registration for clinical trials, as well as in acquiring technologies
complementary to, or that may be necessary for, our development programs.

Intellectual Property

Our  success  depends  in  large  part  upon  our  ability  to  obtain  and  maintain  proprietary  protection  for  our  drug
candidates  and  to  operate  without  infringing  the  proprietary  rights  of  others.  We  seek  to  avoid  the  latter  by  monitoring
patents  and  publications  that  may  affect  our  business,  and  to  the  extent  we  identify  such  developments,  evaluating  and
taking appropriate courses of action. Our policy is to protect our proprietary position by, among other methods, filing patent
applications  on  inventions  that  are  important  to  the  development  and  conduct  of  our  business  with  the  U.S.  Patent  and
Trademark Office, or USPTO, and its foreign counterparts.

With respect to our MK2 signaling pathway inhibitor development program, we own numerous issued patents and
pending applications to novel MK2 pathway inhibitors, including our lead candidate zunsemetinib, and various methods of
use that expire, or would expire, between 2031 and 2041, subject to any applicable patent term adjustment or extension that
may  be  available  in  a  particular  country.    For  example,  we  own  two  issued  U.S.  patents  and  issued  patents  and  pending
applications  in  the  European  Union  and  other  foreign  countries  directed  to  zunsemetinib  and  analogs  thereof  and  certain
methods of using the same.  The U.S. patents expire in 2034 and any claims that may issue from the pending applications
expire in 2034, subject to any applicable adjustment or extension. Further, we own numerous Patent Cooperation Treaty, or
PCT, applications directed to certain methods of using zunsemetinib, methods of manufacturing zunsemetinib and crystal
forms of zunsemetinib, which, if issued, would each expire in 2041, subject to any applicable adjustment or extension. We
also own a PCT application directed to second generation MK2 inhibitors, such as ATI-2231, and methods of use, which, if
issued, would expire in 2040, subject to any applicable adjustment or extension.

With  respect  to  our  “soft”  JAK  inhibitor  development  program,  we  own  one  issued  U.S.  patent  and  numerous
pending applications in the U.S. and foreign countries to novel “soft” JAK inhibitors and various methods of use that expire,
or  would  expire,  between  2038  and  2042,  subject  to  any  applicable  patent  term  adjustment  or  extension  that  may  be
available in a particular country.  For example, we own one U.S. patent and pending applications in the U.S., European

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Union  and  other  foreign  countries  directed  to  various  novel  inhibitors  of  JAK1  and/or  JAK3,  including  ATI-1777,  and
methods of using the same, which, if issued, would expire in 2038, subject to any applicable adjustment or extension. We
also own a PCT application directed to crystal forms of ATI-1777 and provisional applications directed to methods of using
ATI-1777 and topical formulations, which, if issued, would expire in 2041 and 2042, respectively, subject to any applicable
adjustment or extension.

With  respect  to  our  ITK  inhibitor  development  program,  we  own  numerous  issued  U.S.  patents  and  pending
applications in the U.S. and foreign countries directed to novel inhibitors of ITK and methods of use that expire, or would
expire, between 2035 and 2039, subject to any applicable patent term adjustment or extension that may be available in a
particular  country.  For  example,  we  own  one  U.S.  patent  and  pending  U.S.,  European  Union  and  other  foreign  country
applications  directed  to  ATI-2138  and  analogs  thereof  and  methods  of  using  the  same,  which,  if  issued,  would  expire  in
2039, subject to any applicable adjustment or extension.

Patents extend for varying periods according to the date of patent filing or grant and the legal term of patents in
various  countries  where  patent  protection  is  obtained.  The  actual  protection  afforded  by  a  patent,  which  can  vary  from
country  to  country,  depends  on  the  type  of  patent,  the  scope  of  its  coverage  and  the  availability  of  legal  remedies  in  the
country.  In  most  countries  in  which  we  file,  the  patent  term  is  20  years  from  the  earliest  date  of  filing  a  non-provisional
patent  application.  In  the  United  States,  a  patent  term  may  be  shortened  if  a  patent  is  terminally  disclaimed  over  another
patent or as a result of delays in patent prosecution by the patentee, and a patent’s term may be lengthened by patent term
adjustment, which compensates a patentee for administrative delays by the USPTO in granting a patent or by patent term
extension, which compensates a patentee for delays at the FDA. The patent term of a European patent is 20 years from its
filing date; however, unlike in the United States, the European patent does not grant patent term adjustments. The European
Union  does  have  a  compensation  program  similar  to  patent  term  extension  called  supplementary  patent  certificate  that
would effectively extend patent protection for up to five years.

We also use other forms of protection, such as trademark, copyright, and/or trade secret protection, to protect our
intellectual  property,  particularly  where  we  do  not  believe  patent  protection  is  appropriate  or  obtainable.  We  aim  to  take
advantage of all of the intellectual property rights that are available to us and believe that this comprehensive approach will
provide us with proprietary positions for our drug candidates, where available.

We also protect our proprietary information by requiring our employees, consultants, contractors and other advisors
to execute nondisclosure and assignment of invention agreements upon commencement of their respective employment or
engagement. Agreements with our employees also prevent them from bringing the proprietary rights of third parties to us. In
addition, we also require confidentiality or service agreements from third parties that receive our confidential information or
materials.

Acquisition and License Agreements

Agreement and Plan of Merger with Confluence

In  August  2017,  we  entered  into  an  Agreement  and  Plan  of  Merger,  or  the  Confluence  Agreement,  with
Confluence,  Aclaris  Life  Sciences,  Inc.,  our  wholly-owned  subsidiary,  or  Merger  Sub,  and  Fortis  Advisors  LLC,  as
representative of the former equity holders of Confluence.  Pursuant to the terms of the Confluence Agreement, the Merger
Sub  merged  with  and  into  Confluence,  with  Confluence  surviving  as  our  wholly-owned  subsidiary,  resulting  in  our
acquisition of 100% of the outstanding shares of Confluence.

Under  the  Confluence  Agreement,  we  agreed  to  pay  the  former  Confluence  equity  holders  aggregate  remaining
contingent  consideration  of  up  to  $75.0  million  based  upon  the  achievement  of  specified  regulatory  and  commercial
milestones set forth in the Confluence Agreement. In addition, we have agreed to pay the former Confluence equity holders
future  royalty  payments  calculated  as  a  low  single-digit  percentage  of  annual  net  sales,  subject  to  specified  reductions,
limitations and other adjustments, until the date that all of the patent rights for that product have expired, as determined on a
country-by-country and product-by-product basis or, in specified circumstances, ten years from the first commercial sale of
such product.  In addition to the payments described above, if we sell, license or transfer any of the intellectual property
acquired from Confluence pursuant to the Confluence Agreement to a third party, we will be obligated to pay the former
Confluence  equity  holders  a  portion  of  any  consideration  received  from  such  sale,  license  or  transfer  in  specified
circumstances.

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Government Regulation and Product Approval

Governmental  authorities  in  the  United  States,  at  the  federal,  state  and  local  level,  and  analogous  authorities  in
other  countries  extensively  regulate,  among  other  things,  the  research,  development,  testing,  manufacture,  safety
surveillance,  efficacy,  quality  control,  labeling,  packaging,  distribution,  record  keeping,  promotion,  storage,  advertising,
distribution, marketing, sale, export and import, and the reporting of safety and other post-market information of products
such as the ones we are developing. A drug candidate must be approved by the FDA before it may be legally promoted in
the United States and by comparable foreign regulatory authorities before marketing in other jurisdictions.  The process of
obtaining regulatory approvals and the subsequent compliance with applicable federal, state, local and foreign statutes and
regulations  require  the  expenditure  of  substantial  time  and  resources.  Failure  to  comply  with  the  applicable  U.S.
requirements  at  any  time  during  the  product  development  process,  approval  process  or  after  approval  may  subject  an
applicant and/or sponsor to a variety of administrative or judicial sanctions, including refusal by regulatory authorities to
approve applications, withdrawal of an approval, imposition of a clinical hold, import/export delays, issuance of warning
letters  and  untitled  letters,  product  recalls,  product  seizures,  total  or  partial  suspension  of  production  or  distribution,
injunctions, fines, refusals of government contracts, restitution, disgorgement of profits, or civil or criminal investigations
and penalties brought by FDA and the Department of Justice or other governmental entities.

United States Government Regulation

NDA Approval Processes

In the United States, the FDA regulates drugs under the Federal Food, Drug, and Cosmetic Act, or FDCA, and its
implementing regulations.  The FDA’s Center for Drug Evaluation and Research has primary jurisdiction over the premarket
development, review and approval of our drug candidates. Accordingly, we are investigating our drug candidates pursuant to
IND applications and would expect to seek approval through the New Drug Application, or NDA, pathway.

An  applicant  seeking  approval  to  market  and  distribute  a  new  drug  product  in  the  United  States  must  typically

undertake the following:

● completion of preclinical laboratory tests, animal studies and formulation studies in compliance with the FDA’s

good laboratory practice regulations;

● submission to the FDA of an IND which must take effect before clinical trials may begin;
● approval by an independent institutional review board, or IRB, representing each clinical site before clinical testing

may be initiated at the clinical site;

● performance of adequate and well-controlled clinical trials in accordance with good clinical practice, or GCP,

regulations to establish the safety and efficacy of the proposed drug product for each indication;

● preparation and submission to the FDA of an NDA;
● review of the NDA by an FDA advisory committee, if applicable;
● satisfactory completion of one or more FDA inspections of the manufacturing facility or facilities at which the

product or its components are produced to assess compliance with current good manufacturing practices, or cGMP,
and regulations to assure that the facilities, methods and controls are adequate to preserve the product’s identity,
strength, quality and purity;

● payment of user fees and securing FDA approval of the NDA; and
● compliance with any post-approval requirements, including potential requirements for a risk evaluation and

mitigation strategy and post-approval studies required by the FDA.

Once a drug candidate is identified for development, it enters the preclinical or nonclinical testing stage. Preclinical
studies include laboratory evaluations of product chemistry, pharmacology, toxicity and formulation. An IND sponsor must
submit the results of the preclinical studies, together with manufacturing information and analytical data, to the FDA as part
of the IND. Some preclinical studies may continue even after the IND is submitted. In addition to including the results of the
preclinical studies, the IND will also include a protocol detailing, among other things, the objectives of the clinical trial, the
parameters to be used in monitoring safety and the effectiveness criteria to be evaluated if the first phase lends itself to an
efficacy determination. The IND automatically becomes effective 30 days after receipt by the FDA, unless the FDA, within
the 30-day time period, places the IND on clinical hold. In such a case, the IND sponsor and the

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FDA must resolve any outstanding concerns before clinical trials can begin. A clinical hold may occur at any time during
the life of an IND, and may affect one or more specific clinical trials or all clinical trials conducted under the IND.

All  clinical  trials  must  be  conducted  under  the  supervision  of  one  or  more  qualified  investigators  in  accordance
with  current  GCP  regulations.  They  must  be  conducted  under  protocols  detailing  the  objectives  of  the  trial,  dosing
procedures, research subject selection and exclusion criteria, and the safety and effectiveness criteria to be evaluated. Each
protocol must be submitted to the FDA as part of the IND, and progress reports detailing the status of the clinical trials must
be submitted to the FDA annually, as well as safety reporting. An IRB for each site participating in the clinical trial must
review  and  approve  the  protocol  before  the  clinical  trial  commences  at  that  institution  and  must  also  approve  the
information regarding the trial and the consent form that must be provided to each research subject or the subject’s legal
representative, monitor the study until completed and otherwise comply with IRB regulations.

Clinical trials are typically conducted in three sequential phases that may overlap or be combined:

● Phase  1.    The  drug  is  initially  introduced  into  healthy  human  subjects  and  tested  for  safety,  dosage  tolerance,
absorption,  metabolism,  distribution  and  elimination.  In  the  case  of  some  products  for  severe  or  life-threatening
diseases,  such  as  cancer,  and  especially  when  the  product  may  be  inherently  too  toxic  to  ethically  administer  to
healthy volunteers, the initial human testing is often conducted in patients who already have the condition.

● Phase 2.  Clinical trials are performed on a limited patient population intended to identify possible adverse effects
and safety risks, to preliminarily evaluate the efficacy of the product for specific targeted diseases and to determine
dosage tolerance and optimal dosage.

● Phase 3.  If a drug candidate is found to be potentially effective and to have an acceptable safety profile in Phase 2
clinical  trials,  the  clinical  trial  program  will  be  expanded  to  Phase  3  clinical  trials  to  further  evaluate  dosage,
clinical efficacy and safety in an expanded patient population at geographically dispersed clinical trial sites. These
trials  are  intended  to  establish  the  overall  risk-benefit  ratio  of  the  product  and  provide  an  adequate  basis  for
product approval and labeling claims.

Phase 4 clinical trials are conducted after approval to gain additional experience from the treatment of patients in
the  intended  therapeutic  indication  and  to  document  a  clinical  benefit  in  the  case  of  drugs  approved  under  accelerated
approval regulations, or when otherwise requested by the FDA in the form of post-market requirements or commitments.
Failure to promptly conduct any required Phase 4 clinical trials could result in withdrawal of approval.

Clinical  trials  are  inherently  uncertain,  and  Phase  1,  Phase  2  and  Phase  3  testing  may  not  be  successfully
completed. The FDA or the sponsor may suspend a clinical trial at any time for a variety of reasons, including a finding that
the  research  subjects  or  patients  are  being  exposed  to  an  unacceptable  health  risk.  Similarly,  an  IRB  can  suspend  or
terminate approval of a clinical trial at its institution if the clinical trial is not being conducted in accordance with the IRB’s
requirements or if the drug has been associated with unexpected serious harm to patients. In some cases, clinical trials are
overseen by an independent group of qualified experts organized by the trial sponsor, which is called the clinical monitoring
board or data safety monitoring board. This group provides authorization for whether or not a trial may move forward at
designated check points. These decisions are based on the limited access to data from the ongoing trial.

During the development of a new drug, sponsors are given opportunities to meet with the FDA at certain points.
These points may be prior to the submission of an IND, at the end of Phase 2 and before an NDA is submitted. Meetings at
other times may be requested. These meetings can provide an opportunity for the sponsor to share information about the
data  gathered  to  date  and  for  the  FDA  to  provide  advice  on  the  next  phase  of  development.  Sponsors  typically  use  the
meeting at the end of Phase 2 to discuss their Phase 2 clinical trial results and present their plans for the pivotal Phase 3
clinical trial or trials that they believe will support the approval of the new drug.

Concurrent  with  clinical  trials,  sponsors  usually  complete  additional  animal  safety  studies  and  also  develop
additional information about the chemistry and physical characteristics of the drug and finalize a process for manufacturing
commercial quantities of the product in accordance with cGMP requirements. The manufacturing process must be capable
of  consistently  producing  quality  batches  of  the  drug  and  the  manufacturer  must  develop  methods  for  testing  the  quality,
purity and potency of the drug. Additionally, appropriate packaging must be selected and tested, and stability studies must
be conducted to demonstrate that the drug candidate does not undergo unacceptable deterioration over its proposed shelf-
life.

The  results  of  product  development,  preclinical  studies  and  clinical  trials,  along  with  descriptions  of  the

manufacturing process, analytical tests and other control mechanisms, proposed labeling and other relevant information

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are  submitted  to  the  FDA  as  part  of  an  NDA  requesting  approval  to  market  the  product.  The  submission  of  an  NDA  is
subject  to  the  payment  of  user  fees,  but  a  waiver  of  such  fees  may  be  obtained  under  specified  circumstances.  The  FDA
reviews  all  NDAs  submitted  for  a  period  of  60  days  to  ensure  that  they  are  sufficiently  complete  for  substantive  review
before it accepts them for filing. It may request additional information rather than accept an NDA for filing. In this event,
the NDA must be resubmitted with the additional information. The resubmitted application also is subject to review before
the FDA accepts it for filing.

During  the  approval  process,  the  FDA  also  will  determine  whether  a  risk  evaluation  and  mitigation  strategy,  or
REMS, is necessary to assure the safe use of the product. If the FDA concludes a REMS is needed, the sponsor of the NDA
must submit a proposed REMS, and the FDA will not approve the application without an approved REMS, if required. A
REMS can substantially increase the costs of obtaining approval. The FDA could also require a special warning, known as a
boxed warning, to be included in the product label in order to highlight a particular safety risk.

Once  the  submission  is  accepted  for  filing,  the  FDA  begins  an  in-depth  review.  The  FDA  reviews  an  NDA  to
determine, among other things, whether a product is safe and effective for its intended use and whether its manufacturing is
cGMP-compliant. The FDA may refer the NDA to an advisory committee for review and recommendation as to whether the
application should be approved and under what conditions. The FDA is not bound by the recommendation of an advisory
committee,  but  it  generally  follows  such  recommendations.  NDAs  receive  either  standard  or  priority  review.  A  drug
representing  a  significant  improvement  in  treatment,  prevention  or  diagnosis  of  disease  may  receive  priority  review.  A
priority review designation is intended to direct overall attention and resources to the evaluation of such applications, and to
shorten the FDA’s goal for taking action on the NDA from ten months to six months from filing of the NDA. After the FDA
evaluates  the  NDA  and  conducts  inspections  of  manufacturing  facilities  where  the  drug  product  and/or  its  active
pharmaceutical  ingredient  will  be  produced,  it  may  issue  an  approval  letter  or  a  Complete  Response  Letter.  An  approval
letter  authorizes  commercial  marketing  of  the  drug  with  specific  prescribing  information  for  specific  indications.  A
Complete Response Letter indicates that the review cycle of the application is complete, and the application is not ready for
approval.  A  Complete  Response  Letter  may  require  additional  clinical  data  and/or  an  additional  pivotal  Phase  3  clinical
trial(s), and/or other significant, expensive and time-consuming requirements related to clinical trials, preclinical studies or
manufacturing.  Even  if  such  data  and  information  are  submitted,  the  FDA  may  ultimately  decide  that  the  NDA  does  not
satisfy the criteria for approval.

Post-approval Requirements

Drugs manufactured or distributed pursuant to FDA approvals are subject to pervasive and continuing regulation
by  the  FDA  and  other  governmental  agencies,  including,  among  other  things,  requirements  relating  to  recordkeeping,
periodic reporting, product sampling and distribution, advertising and promotion, and reporting of adverse experiences with
the product. Once an approval is granted, the FDA may withdraw the approval if compliance with regulatory requirements
is  not  maintained  or  if  problems  occur  after  the  product  reaches  the  market.  Later  discovery  of  previously  unknown
problems  with  a  product  may  result  in  restrictions  on  the  product  or  even  complete  withdrawal  of  the  product  from  the
market.  After  approval,  some  types  of  changes  to  the  approved  product,  such  as  adding  new  indications,  manufacturing
changes and additional labeling claims, are subject to further FDA review and approval. There are also continuing annual
user fee requirements for products, as well as new application fees for certain supplemental applications. In addition, the
FDA  may  require  testing  and  surveillance  programs  to  monitor  the  effect  of  approved  products  that  have  been
commercialized, and the FDA has the power to prevent or limit further marketing of a product based on the results of these
post-marketing programs.

Drug manufacturers and other entities involved in the manufacture and distribution of approved drugs are required
to register their establishments with the FDA and certain state agencies, and are subject to periodic unannounced inspections
by  the  FDA  and  some  state  agencies  for  compliance  with  GMP  regulations  and  other  laws.  The  FDA  has  promulgated
specific requirements for drug cGMPs. Changes to the manufacturing process are strictly regulated and often require prior
FDA approval before being implemented. FDA regulations also require investigation and correction of any deviations from
cGMP  requirements  and  impose  reporting  and  documentation  requirements  upon  the  sponsor  and  any  third-party
manufacturers that the sponsor may decide to use. Accordingly, manufacturers must continue to expend time, money, and
effort in the area of production and quality control to maintain cGMP compliance.

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Failure  to  comply  with  the  applicable  U.S.  requirements  at  any  time  during  the  product  development  process  or
approval  process,  or  after  approval,  may  subject  us  to  administrative  or  judicial  sanctions,  any  of  which  could  have  a
material adverse effect on us. These sanctions could include:

● refusal to approve pending applications;
● withdrawal of an approval;
● imposition of a clinical hold;
● warning letters;
● product seizures or detention, or refusal to permit the import or export of products;
● restrictions on the marketing or manufacturing of the product;
● total or partial suspension of production or distribution or product recalls; or
● injunctions, fines, disgorgement, or civil or criminal penalties.

The FDA strictly regulates the marketing, labeling, advertising and promotion of drug products that are placed on
the market. Drugs may be promoted only for the approved indications and in accordance with the provisions of the approved
label.    However,  companies  may  share  truthful  and  not  misleading  information  that  is  otherwise  consistent  with  the
product’s  FDA  approved  labeling.  The  FDA  and  other  agencies  actively  enforce  the  laws  and  regulations  prohibiting  the
promotion  of  off-label  uses,  and  a  company  that  is  found  to  have  improperly  promoted  off-label  uses  may  be  subject  to
significant liability. However, physicians may, in their independent medical judgment, prescribe legally available products
for  off-label  uses.  The  FDA  does  not  regulate  the  behavior  of  physicians  in  their  choice  of  treatments  but  the  FDA  does
restrict sponsor communications on the subject of off-label use.

From  time  to  time,  legislation  is  drafted,  introduced  and  passed  in  Congress  that  could  significantly  change  the
statutory provisions governing the approval, manufacturing and marketing of products regulated by the FDA. In addition,
FDA regulations and guidance are often issued revised or reinterpreted by the agency in ways that may significantly affect
our  business  and  our  drug  candidates.  It  is  impossible  to  predict  whether  legislative  changes  will  be  enacted,  or  whether
FDA regulations, guidance or interpretations will be issued or changed or what the impact of such changes, if any, may be.

Non-patent Exclusivity

The  FDCA  provides  a  five-year  period  of  non-patent  marketing  exclusivity  within  the  United  States  to  the  first
applicant to obtain approval of an NDA for a new chemical entity, or NCE. A drug is an NCE if the FDA has not previously
approved any other new drug containing the same active moiety, which is the molecule or ion responsible for the action of
the drug substance.  If market exclusivity is granted for an NCE, during the exclusivity period, the FDA may not accept for
review or approve an abbreviated new drug application, or ANDA, or a 505(b)(2) NDA submitted by another company for
another version of such drug where the applicant does not own or have a legal right of reference to all the data required for
approval. However, an application may be submitted after four years if it contains a certification of patent invalidity or non-
infringement to one of the patents listed with the FDA by the innovator NDA holder.

The FDCA also provides three years of marketing exclusivity for an NDA, or supplement to an existing NDA if
new clinical investigations, other than bioavailability studies, that were conducted or sponsored by the applicant are deemed
by  the  FDA  to  be  essential  to  the  approval  of  the  application,  for  example  new  indications,  dosages,  dosage  forms  or
strengths  of  an  existing  drug.    This  three-year  exclusivity  covers  only  the  conditions  associated  with  the  new  clinical
investigations and prohibits the FDA from approving an ANDA or a 505(b)(2) NDA submitted by another company with
overlapping  conditions  associated  with  the  new  clinical  investigations  for  the  three-year  period.    Clinical  investigation
exclusivity does not prohibit the FDA from approving ANDAs for drugs containing the original active agent. Five-year and
three-year  exclusivity  will  not  delay  the  submission  or  approval  of  an  NDA  for  the  same  drug.  However,  an  applicant
submitting an NDA would be required to conduct or obtain a right of reference to all of the preclinical studies and adequate
and well-controlled clinical trials necessary to demonstrate safety and effectiveness.

Regulation Outside of the United States

Even  if  we  obtain  FDA  approval  for  a  drug  candidate,  we  must  obtain  approval  by  the  comparable  regulatory
authorities  of  countries  outside  of  the  United  States  before  we  can  commence  clinical  trials  in  such  countries,  and  our
potential third-party partners must obtain approval of the regulators of such countries or economic areas, such as the

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European Union, before they may market any of our drug candidates in those countries or areas. The approval process and
requirements  governing  the  conduct  of  clinical  trials,  product  licensing  and  promotion,  pricing  and  reimbursement  vary
greatly by geographic region, and the time may be longer or shorter than that required for FDA approval.

In the European Economic Area, or EEA, which is composed of the Member States of the European Union plus
Norway,  Iceland  and  Liechtenstein,  medicinal  products  can  only  be  commercialized  after  obtaining  a  Marketing
Authorization, or MA.

There are two types of MAs:

● The Community MA, which is issued by the European Commission through the Centralized Procedure, based on
the  opinion  of  the  Committee  for  Medicinal  Products  for  Human  Use,  or  CHMP,  of  the  European  Medicines
Agency,  or  EMA,  and  which  is  valid  throughout  the  entire  territory  of  the  EEA.  The  Centralized  Procedure  is
mandatory  for  certain  types  of  products,  such  as  biotechnology  medicinal  products,  orphan  medicinal  products,
and medicinal products indicated for the treatment of AIDS, cancer, neurodegenerative disorders, diabetes, auto-
immune and viral diseases. The Centralized Procedure is optional for products containing a new active substance
not  yet  authorized  in  the  EEA,  or  for  products  that  constitute  a  significant  therapeutic,  scientific  or  technical
innovation or which are in the interest of public health in the European Union. Under the Centralized Procedure,
the maximum timeframe for the evaluation of a marketing authorization application is 210 days (excluding clock
stops, when additional written or oral information is to be provided by the applicant in response to questions asked
by  the  CHMP).  Accelerated  evaluation  might  be  granted  by  the  CHMP  in  exceptional  cases,  when  the
authorization of a medicinal product is of major interest from the point of view of public health and, in particular,
from  the  viewpoint  of  therapeutic  innovation.  Under  the  accelerated  procedure,  the  standard  210  days  review
period is reduced to 150 days.

● National  MAs,  which  are  issued  by  the  competent  authorities  of  the  Member  States  of  the  EEA  and  only  cover
their  respective  territory,  are  available  for  products  not  falling  within  the  mandatory  scope  of  the  Centralized
Procedure.  Where  a  product  has  already  been  authorized  for  marketing  in  a  Member  State  of  the  EEA,  this
National  MA  can  be  recognized  in  another  Member  State  through  the  Mutual  Recognition  Procedure.  If  the
product  has  not  received  a  National  MA  in  any  Member  State  at  the  time  of  application,  it  can  be  approved
simultaneously in various Member States through the Decentralized Procedure.

In the EEA, upon receiving marketing authorization, NCEs generally receive eight years of data exclusivity and an
additional  two  years  of  market  exclusivity.  If  granted,  data  exclusivity  prevents  regulatory  authorities  in  the  EEA  from
referencing the innovator’s data to assess a generic application. During the additional two-year period of market exclusivity,
a generic marketing authorization can be submitted, and the innovator’s data may be referenced, but no generic product can
be marketed until the expiration of the market exclusivity. However, there is no guarantee that a product will be considered
by the EEA’s regulatory authorities to be an NCE, and products may not qualify for data exclusivity.

Other Health Care Laws

Health care providers, physicians and third-party payors in the United States and elsewhere will play a primary role
in  the  recommendation  and  prescription  of  any  of  our  drug  candidates  for  which  marketing  approval  is  obtained.  Our
potential  third-party  partners’  arrangements  with  third-party  payors,  health  care  professionals  and  customers  may  expose
them  to  broadly  applicable  fraud  and  abuse  and  other  health  care  laws  and  regulations,  including,  without  limitation,  the
federal  Anti-Kickback  Statute  and  the  federal  civil  False  Claims  Act,  that  may  constrain  the  business  or  financial
arrangements  and  relationships  through  which  they  sell,  market  and  distribute  any  drug  candidates  for  which  marketing
approval is obtained. In addition, we and our potential third-party partners may be subject to transparency laws and patient
privacy regulation by the federal government and by the U.S. states and foreign jurisdictions in which we or they conduct
business.

The  federal  Anti-Kickback  Statute  makes  it  illegal  for  any  person  or  entity,  including  a  prescription  drug
manufacturer (or a party acting on its behalf) to knowingly and willfully, directly or indirectly, solicit, receive, offer, or pay
any  remuneration  that  is  intended  to  induce  the  referral  of  business,  including  the  purchase,  order,  or  lease  of  any  good,
facility, item or service for which payment may be made under a federal health care program, such as Medicare or Medicaid.
The  term  “remuneration”  has  been  broadly  interpreted  to  include  anything  of  value.  The  Anti-Kickback  Statute  has  been
interpreted  to  apply  to  arrangements  between  pharmaceutical  manufacturers  on  one  hand  and  prescribers,  purchasers,
formulary managers, and beneficiaries on the other. Although there are a number of statutory exceptions and

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regulatory  safe  harbors  protecting  some  common  activities  from  prosecution,  the  exceptions  and  safe  harbors  are  drawn
narrowly.  Practices  that  involve  remuneration  that  may  be  alleged  to  be  intended  to  induce  prescribing,  purchases  or
recommendations may be subject to scrutiny if they do not qualify for an exception or safe harbor. Failure to meet all of the
requirements of a particular applicable statutory exception or regulatory safe harbor does not make the conduct per se illegal
under the Anti-Kickback Statute. Instead, the legality of the arrangement will be evaluated on a case-by-case basis based on
a  cumulative  review  of  all  its  facts  and  circumstances.  Several  courts  have  interpreted  the  statute’s  intent  requirement  to
mean that if any one purpose of an arrangement involving remuneration is to induce referrals of federal health care covered
business, the Anti-Kickback Statute has been violated. Violations of this law are punishable by up to ten years in prison, and
can  also  result  in  criminal  fines,  civil  monetary  penalties,  administrative  penalties  and  exclusion  from  participation  in
federal health care programs.

Additionally,  the  intent  standard  under  the  Anti-Kickback  Statute  was  amended  by  the  Patient  Protection  and
Affordable Care Act of 2010, as amended by the Health Care and Education Reconciliation Act of 2010, or collectively the
Affordable  Care  Act,  to  a  stricter  standard  such  that  a  person  or  entity  no  longer  needs  to  have  actual  knowledge  of  the
statute or specific intent to violate it in order to have committed a violation. In addition, the Affordable Care Act codified
case law that a claim including items or services resulting from a violation of the federal Anti-Kickback Statute constitutes a
false or fraudulent claim for purposes of the federal civil False Claims Act.

Federal false claims and false statement laws, including the federal civil False Claims Act, prohibits, among other
things, any person or entity from knowingly presenting, or causing to be presented, for payment to, or approval by, federal
programs, including Medicare and Medicaid, claims for items or services, including drugs, that are false or fraudulent or not
provided as claimed. Entities can be held liable under these laws if they are deemed to “cause” the submission of false or
fraudulent claims by, for example, providing inaccurate billing or coding information to customers, promoting a product off-
label, or for providing medically unnecessary services or items. In addition, activities relating to the sale and marketing of
products  are  subject  to  scrutiny  under  this  law.  Penalties  for  federal  civil  False  Claims  Act  violations  may  include  up  to
three times the actual damages sustained by the government, plus mandatory civil penalties for each separate false claim, the
potential for exclusion from participation in federal health care programs, and, although the federal civil False Claims Act is
a civil statute, False Claims Act violations may also implicate various federal criminal statutes.  

The federal Health Insurance Portability and Accountability Act of 1996, or HIPAA, prohibits among other actions,
knowingly and willfully executing, or attempting to execute, a scheme to defraud any health care benefit program, including
private  third-party  payors,  knowingly  and  willfully  embezzling  or  stealing  from  a  health  care  benefit  program,  willfully
obstructing a criminal investigation of a health care offense, and knowingly and willfully falsifying, concealing or covering
up  a  material  fact  or  making  any  materially  false,  fictitious  or  fraudulent  statement  in  connection  with  the  delivery  of  or
payment for health care benefits, items or services. Like the Anti-Kickback Statute, the Affordable Care Act amended the
intent standard for the health care fraud statute under HIPAA such that a person or entity no longer needs to have actual
knowledge of the statute or specific intent to violate it in order to have committed a violation.

The  civil  monetary  penalties  statute  imposes  penalties  against  any  person  or  entity  that,  among  other  things,  is
determined to have presented or caused to be presented a claim to a federal health program that the person knows or should
know is for an item or service that was not provided as claimed or is false or fraudulent.

Also, many states have similar fraud and abuse statutes or regulations that may be broader in scope and may apply
regardless of payor, in addition to items and services reimbursed under Medicaid and other state programs. Additionally, to
the extent that a product is sold in a foreign country, the seller may be subject to similar foreign laws.

In  addition,  legislation  imposing  marketing  restrictions  and  transparency  requirements  on  pharmaceutical
manufacturers has been enacted at the state and federal levels.  For example, the Affordable Care Act imposed, among other
things, annual reporting requirements to the Centers for Medicare & Medicaid Services, or CMS, for covered manufacturers
for certain payments and other transfers of value provided to physicians (defined to include doctors, dentists, optometrists,
podiatrists  and  chiropractors),  other  health  care  professionals  (such  as  physician  assistants  and  nurse  practitioners)  and
teaching  hospitals,  as  well  as  information  regarding  ownership  and  investment  interests  held  by  physicians  and  their
immediate family members. Failure to submit timely, accurately and completely the required information for all payments,
transfers  of  value  and  ownership  or  investment  interests  may  result  in  civil  monetary  penalties  for  “knowing  failures.”
 Certain states also mandate implementation of compliance programs, impose restrictions on drug manufacturer marketing
practices, require registration of certain employees engaged in marketing activities in the

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location,  and/or  require  the  tracking  and  reporting  of  gifts,  compensation  and  other  remuneration  to  health  care
professionals, including physicians.

We have developed a comprehensive compliance program that establishes internal controls to facilitate adherence
to  the  rules  and  program  requirements  to  which  we  are  subject.  Although  the  development  and  implementation  of
compliance programs designed to establish internal controls and facilitate compliance can mitigate the risk of investigation,
prosecution, and penalties assessed for violations of these laws, or any other laws that may apply to us, the risks cannot be
entirely eliminated. If our operations are found to be in violation of any such laws or any other governmental regulations,
we  may  be  subject  to  significant  penalties,  including,  without  limitation,  administrative,  civil,  and  criminal  penalties,
damages,  fines,  disgorgement,  imprisonment,  contractual  damages,  reputational  harm,  diminished  profits  and  future
earnings,  the  curtailment  or  restructuring  of  our  operations,  exclusion  from  participation  in  federal  and  state  health  care
programs,  additional  reporting  requirements  and  oversight  if  we  become  subject  to  a  corporate  integrity  agreement  or
similar  agreement  to  resolve  allegations  of  non-compliance  with  these  laws  and  individual  imprisonment,  any  of  which
could adversely affect our ability to operate our business and our financial results.

We may also be subject to data privacy and security regulation by both the federal government and the states in
which  we  conduct  our  business.  HIPAA,  as  amended  by  the  Health  Information  Technology  for  Economic  and  Clinical
Health  Act,  or  HITECH,  and  their  implementing  regulations,  including  the  final  omnibus  rule  published  on  January  25,
2013,  mandates,  among  other  things,  the  adoption  of  uniform  standards  for  the  electronic  exchange  of  information  in
common health care transactions, as well as standards relating to the privacy and security of individually identifiable health
information,  which  require  the  adoption  of  administrative,  physical  and  technical  safeguards  to  protect  such  information.
Among  other  things,  HITECH  makes  HIPAA’s  security  standards  directly  applicable  to  “business  associates”,  namely
independent contractors or agents of HIPAA covered entities that create, receive or obtain protected health information in
connection with providing a service for or on behalf of a covered entity and their subcontractors that use, disclose, access, or
otherwise  process  protected  health  information.  HITECH  also  increased  the  civil  and  criminal  penalties  that  may  be
imposed against covered entities and business associates, and gave state attorneys general new authority to file civil actions
for damages or injunctions in federal courts to enforce the federal HIPAA laws and seek attorneys’ fees and costs associated
with pursuing federal civil actions. In addition, certain state laws govern the privacy and security of health information in
certain  circumstances,  some  of  which  are  more  stringent  than  HIPAA  and  many  of  which  differ  from  each  other  in
significant ways and may not have the same effect, thus complicating compliance efforts. Failure to comply with these laws,
where applicable, can result in the imposition of significant civil and/or criminal penalties.

Health Care Reform

In the United States, there have been and continue to be a number of significant legislative initiatives to contain
health  care  costs.  For  example,  in  March  2010,  the  Affordable  Care  Act  was  passed,  which  has  had,  and  is  expected  to
continue  to  have,  a  significant  impact  on  the  health  care  industry.  The  Affordable  Care  Act  was  designed  to  expand
coverage for the uninsured and at the same time contain overall health care costs. With regard to pharmaceutical products,
among  other  things,  the  Affordable  Care  Act  expanded  and  increased  industry  rebates  for  drugs  covered  under  Medicaid
programs;  addressed  a  new  methodology  by  which  rebates  owed  by  manufacturers  under  the  Medicaid  Drug  Rebate
Program are calculated for drugs that are inhaled, infused, instilled, implanted or injected; extended the rebate program to
individuals enrolled in Medicaid managed care organizations; established annual fees and taxes on manufacturers of certain
branded prescription drugs; made changes to the coverage requirements under the Medicare prescription drug benefit; and
established  a  new  Medicare  Part  D  coverage  gap  discount  program,  in  which  manufacturers,  as  a  condition  for  their
outpatient drugs to be covered under Medicare Part D, must agree to offer 70% point-of-sale discounts off negotiated prices
of  applicable  brand  drugs  to  eligible  beneficiaries  during  their  coverage  gap  period.    Moreover,  the  Affordable  Care  Act
provided incentives to programs that increase the federal government’s comparative effectiveness research and implemented
payment system reforms including a national pilot program on payment bundling meant to encourage hospitals, physicians
and other providers to improve the coordination, quality and efficiency of certain health care services.

There have been executive branch, judicial and Congressional challenges to certain aspects of the Affordable Care
Act. While Congress has not passed comprehensive repeal legislation, several bills affecting the implementation of certain
taxes under the Affordable Care Act have been signed into law.  The Tax Cuts and Jobs Act of 2017, or the 2017 Tax Act,
includes  a  provision  repealing,  effective  January  1,  2019,  the  tax-based  shared  responsibility  payment  imposed  by  the
Affordable Care Act on certain individuals who fail to maintain qualifying health coverage for all or part of a year that is
commonly referred to as the “individual mandate”.  In addition, the 2020 federal spending package permanently eliminated,
effective January 1, 2020, the Affordable Care Act-mandated “Cadillac” tax on high-cost employer-sponsored

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health coverage and medical device tax and, effective January 1, 2021, also eliminated the health insurer tax. Further, the
Bipartisan  Budget  Act  of  2018,  or  the  BBA,  among  other  things,  amended  the  Affordable  Care  Act,  effective  January  1,
2019, to close the coverage gap in most Medicare drug plans, commonly referred to as the “donut hole”.  On June 17, 2021
the  U.S.  Supreme  Court  dismissed  a  challenge  on  procedural  grounds  that  argued  the  Affordable  Care  Act  is
unconstitutional in its entirety because the “individual mandate” was repealed by Congress. Thus, the Affordable Care Act
will remain in effect in its current form. Prior to the U.S. Supreme Court ruling, on January 28, 2021, President Biden issued
an executive order that initiated a special enrollment period for purposes of obtaining health insurance coverage through the
Affordable  Care  Act  marketplace.  The  executive  order  also  instructed  certain  governmental  agencies  to  review  and
reconsider their existing policies and rules that limit access to healthcare, including among others, reexamining Medicaid
demonstration projects and waiver programs that include work requirements, and policies that create unnecessary barriers to
obtaining  access  to  health  insurance  coverage  through  Medicaid  or  the  Affordable  Care  Act.    It  is  possible  that  the
Affordable Care Act will be subject to judicial or Congressional challenges in the future.  It is unclear how such challenges
and the health care reform measures of the Biden administration will impact the Affordable Care Act and our business.

In addition, other legislative changes have been proposed and adopted since the Affordable Care Act was enacted.
For example, in August 2011, President Obama signed into law the Budget Control Act of 2011, which, among other things,
created the Joint Select Committee on Deficit Reduction to recommend to Congress proposals in spending reductions. The
Joint Select Committee on Deficit Reduction did not achieve a targeted deficit reduction of at least $1.2 trillion for fiscal
years  2012  through  2021,  triggering  the  legislation’s  automatic  reduction  to  several  government  programs.  This  includes
aggregate reductions in Medicare payments to providers of 2% per fiscal year, which went into effect beginning on April 1,
2013 and, due to subsequent legislative amendments to the statute, including the BBA and the Infrastructure Investment and
Jobs Act, will stay in effect through 2031 with the exception of a temporary suspension from May 1, 2020 through March
31,  2022,  unless  additional  Congressional  action  is  taken.  Under  current  legislation  the  actual  reduction  in  Medicare
payments will vary from 1% in 2022 to up to 3% in the final fiscal year of this sequester. Additionally, in January 2013, the
American  Taxpayer  Relief  Act  of  2012  was  signed  into  law,  which,  among  other  things,  reduced  Medicare  payments  to
several  providers,  including  hospitals,  cancer  treatment  centers  and  imaging  centers.  Moreover,  the  Drug  Supply  Chain
Security Act imposes new obligations on manufacturers of pharmaceutical products related to product tracking and tracing.
Legislative  and  regulatory  proposals  have  been  made  to  expand  post-approval  requirements  and  restrict  sales  and
promotional activities for pharmaceutical products.

There  has  been  heightened  governmental  scrutiny  over  the  manner  in  which  manufacturers  set  prices  for  their
marketed products. Such scrutiny has resulted in several recent Congressional inquiries and proposed and enacted federal
and state legislation designed to, among other things, bring more transparency to product pricing, review the relationship
between  pricing  and  manufacturer  patient  programs,  and  reform  government  program  reimbursement  methodologies  for
products.  At the federal level, the Trump administration used several means to propose or implement drug pricing reform,
including  through  federal  budget  proposals,  executive  orders  and  policy  initiatives.    For  example,  on  July  24,  2020  and
September 13, 2020, President Trump announced several executive orders related to prescription drug pricing that seek to
implement several of the administration’s proposals. As a result, the FDA concurrently released a final rule and guidance in
September  2020  providing  pathways  for  states  to  build  and  submit  importation  plans  for  drugs  from  Canada.  Further,  on
November 20, 2020, the Department of Health and Human Services, or HHS, finalized a regulation removing safe harbor
protection for price reductions from pharmaceutical manufacturers to plan sponsors under Part D, either directly or through
pharmacy benefit managers, unless the price reduction is required by law. The implementation of the rule has been delayed
by the Biden administration from January 1, 2022 to January 1, 2023 in response to ongoing litigation. The rule also created
a  new  safe  harbor  for  price  reductions  reflected  at  the  point-of-sale,  as  well  as  a  new  safe  harbor  for  certain  fixed  fee
arrangements between pharmacy benefit managers and manufacturers, the implementation of which have also been delayed
until January 1, 2023. On November 20, 2020, CMS issued an interim final rule implementing the President Trump’s Most
Favored Nation executive order, which would tie Medicare Part B payments for certain physician-administered drugs to the
lowest price paid in other economically advanced countries, effective January 1, 2021. As a result of litigation challenging
the Most Favored Nation model, on December 27, 2021, CMS published a final rule that rescinds the Most Favored Nation
model interim final rule. In July 2021, the Biden administration released an executive order, “Promoting Competition in the
American  Economy,”  with  multiple  provisions  aimed  at  prescription  drugs.  In  response  to  Biden’s  executive  order,  on
September 9, 2021, HHS released a Comprehensive Plan for Addressing High Drug Prices that outlines principles for drug
pricing  reform  and  sets  out  a  variety  of  potential  legislative  policies  that  Congress  could  pursue  as  well  as  potential
administrative  actions  HHS  can  take  to  advance  these  principles.  No  legislation  or  administrative  actions  have  been
finalized to implement these principles. It is unclear whether these or similar policy initiatives will be implemented in the
future. At the state level, legislatures have become increasingly active in passing

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legislation and implementing regulations designed to control pharmaceutical and biological product pricing, including price
or  patient  reimbursement  constraints,  discounts,  restrictions  on  certain  product  access  and  marketing  cost  disclosure  and
transparency measures, and, in some cases, designed to encourage importation from other countries and bulk purchasing.

The Affordable Care Act, as well as other federal and state health care reform measures that have been and may be
adopted in the future, could harm our future revenue.  Additional legislative actions may be taken in the future which may
change current regulations, guidance and interpretations. Further, it is also possible that additional governmental action is
taken  in  response  to  the  COVID-19  pandemic.  The  impact  of  such  actions  on  our  business,  if  any,  cannot  presently  be
determined.

The Hatch Waxman Amendments to the FDCA

Orange Book Listing

In seeking approval for a drug through an NDA, applicants are required to list with the FDA each patent whose
claims cover the applicant’s product or a method of using the product. Upon approval of a drug, each of the patents listed in
the  application  for  the  drug  is  then  published  in  the  FDA’s  Approved  Drug  Products  with  Therapeutic  Equivalence
Evaluations,  commonly  known  as  the  Orange  Book.  Drugs  listed  in  the  Orange  Book  can,  in  turn,  be  cited  by  potential
competitors in support of approval of an ANDA or an application covered by Section 505(b)(2) of the FDCA. An ANDA
provides for marketing of a drug product that has the same active ingredients, generally in the same strengths and dosage
form, as the listed drug and has been shown through pharmacokinetic, or PK, testing to be bioequivalent to the listed drug.
Drugs  approved  in  this  way  are  commonly  referred  to  as  “generic  equivalents”  to  the  listed  drug,  and  can  often  be
substituted  by  pharmacists  under  prescriptions  written  for  the  original  listed  drug.  Other  than  the  requirement  for
bioequivalence testing, ANDA applicants are generally not required to conduct, or submit results of, preclinical studies or
clinical tests to prove the safety or effectiveness of their drug product. Section 505(b)(2) applications provide for marketing
of a drug product that may have the same active ingredients as the listed drug and contains full safety and effectiveness data
as an NDA, but at least some of this information comes from studies not conducted by or for the applicant. This alternate
regulatory  pathway  enables  the  applicant  to  rely,  in  part,  on  the  FDA’s  findings  of  safety  and  efficacy  for  an  existing
product, or published literature, in support of its application. The FDA may then approve the new drug candidate for all or
some  of  the  labeled  indications  for  which  the  referenced  product  has  been  approved,  as  well  as  for  any  new  indication
sought by the 505(b)(2) applicant.

The ANDA or Section 505(b)(2) applicant is required to certify to the FDA concerning any patents listed for the
approved product in the FDA’s Orange Book. Specifically, the applicant must certify that: (i) the required patent information
has not been filed; (ii) the listed patent has expired; (iii) the listed patent has not expired, but will expire on a particular date
and approval is sought after patent expiration; or (iv) the listed patent is invalid or will not be infringed by the new product.
The ANDA or Section 505(b)(2) applicant may also elect to submit a statement certifying that its proposed ANDA label
does not contain, or carves out, any language regarding a patented method of use rather than certify to such listed method of
use patent. If the applicant does not challenge the listed patents by filing a certification that the listed patent is invalid or will
not be infringed by the new product, the ANDA or Section 505(b)(2) application will not be approved until all the listed
patents claiming the referenced product have expired.

A  certification  that  the  new  product  will  not  infringe  the  already  approved  product’s  listed  patents,  or  that  such
patents  are  invalid,  is  called  a  Paragraph  IV  certification.  If  the  ANDA  or  Section  505(b)(2)  applicant  has  provided  a
Paragraph IV certification to the FDA, the applicant must also send notice of the Paragraph IV certification to the NDA and
patent  holders  once  the  ANDA  or  Section  505(b)(2)  application  has  been  accepted  for  filing  by  the  FDA.  The  NDA  and
patent holders may then initiate a patent infringement lawsuit in response to the notice of the Paragraph IV certification. The
filing of a patent infringement lawsuit within 45 days of the receipt of a Paragraph IV certification automatically prevents
the  FDA  from  approving  the  ANDA  or  Section  505(b)(2)  application  until  the  earliest  of  30  months,  expiration  of  the
patent, settlement of the lawsuit, and a decision in the infringement case that is favorable to the ANDA or Section 505(b)(2)
applicant.  This  prohibition  is  generally  referred  to  as  the  30-month  stay.  Thus,  approval  of  an  ANDA  or  505(b)(2)  NDA
could be delayed for a significant period of time depending on the patent certification the applicant makes and the reference
drug sponsor’s decision to initiate patent litigation.

The ANDA or Section 505(b)(2) application also will not be approved until any applicable non-patent exclusivity

listed in the Orange Book for the referenced product has expired.

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Patent Term Extension

In the United States, after NDA approval, owners of relevant drug patents may apply for up to a five year patent
extension,  which  provides  patent  term  restoration  as  compensation  for  the  patent  term  lost  during  the  FDA  regulatory
review  process  for  the  first  permitted  commercial  marketing  of  a  drug  product.  The  Drug  Price  Competition  and  Patent
Term Restoration Act of 1984, or the Hatch-Waxman Act, permits a patent term extension of up to five years beyond the
expiration of the patent. The allowable patent term extension is calculated as half of the drug’s testing phase, which is the
time between the IND submission becoming effective and the NDA submission, and all of the review phase, which is the
time between NDA submission and approval, up to a maximum extension of five years. The time can be shortened if the
FDA determines that the applicant did not pursue approval with due diligence. Patent extension cannot extend the remaining
term of a patent beyond a total of 14 years from the date of product approval and only one patent applicable to an approved
drug may be extended.  

Similar provisions are available in the European Union and other foreign jurisdictions to extend the term of a patent
that covers an approved drug. For example, in Japan, it may be possible to extend the patent term for up to five years and in
the  European  Union,  it  may  be  possible  to  obtain  a  supplementary  patent  certificate  that  would  effectively  extend  patent
protection for up to five years.

Coverage and Reimbursement

We believe the success of our drug candidates, if approved, will depend on obtaining and maintaining coverage and
adequate  reimbursement  as  a  prescription  treatment  or  in  the  absence  of  coverage  and  adequate  reimbursement,  on  the
extent to which patients will be willing to pay out of pocket for our prescription drug products.

Third-party payors determine which prescription drug products they will cover and establish reimbursement levels.
Reimbursement  by  a  third-party  payor  may  depend  upon  a  number  of  factors,  including:  the  third-party  payor’s
determination that a product is safe, effective, and medically necessary; appropriate for the specific patient; cost-effective;
supported  by  peer-reviewed  medical  journals  or  current  clinical  practice  guidelines;  and  whether  there  are  competitive
products, either branded or generic, and the pricing of those products.  Many private third-party payors, such as managed
care plans, manage access to drug products’ coverage partly to control costs for their plans, and may use drug formularies
and medical policies to limit their exposure.  Obtaining and maintaining favorable reimbursement can be a time-consuming
and  expensive  process,  and  our  potential  third-party  partners  may  not  be  able  to  negotiate  or  continue  to  negotiate
reimbursement or pricing terms for our drug candidates, if approved, with third-party payors at levels that are profitable to
us,  or  at  all.  Further  coverage  policies  and  third-party  reimbursement  rates  may  change  at  any  time.  Even  if  favorable
coverage and reimbursement status is attained for one or more products which receive regulatory approval, less favorable
coverage policies and reimbursement rates may be implemented in the future.

In  addition  to  uncertainties  surrounding  coverage  policies,  there  are  periodic  changes  to  reimbursement.    Third-
party  payors  regularly  update  reimbursement  amounts  and  also  from  time  to  time  revise  the  methodologies  used  to
determine  reimbursement  amounts.    Accordingly,  these  updates  could  impact  the  demand  for  our  drug  candidates,  if
approved. Our drug candidates, if approved, may not be considered cost effective, and government and third-party private
health insurance coverage and reimbursement may not be available to patients or sufficient to allow our potential third-party
partners to sell our drug candidates, if approved, on a competitive and profitable basis.  Our results of operations could be
adversely  affected  by  the  Affordable  Care  Act  and  by  other  health  care  reforms  that  may  be  enacted  or  adopted  in  the
future.  In addition, increasing emphasis on managed care in the United States will continue to put pressure on the pricing of
pharmaceutical  products.    Cost  control  initiatives  could  decrease  the  price  that  our  potential  third-party  partners  could
receive  for  any  of  our  drug  candidates,  if  approved,  and  could  adversely  affect  our  profitability.    We  cannot  predict  how
pending and future health care legislation will impact our business, and any changes in coverage and reimbursement that
further restricts coverage of our drug candidates could harm our business.

Foreign governments also have their own health care reimbursement systems, which vary significantly by country
and region, and we cannot be sure that coverage and adequate reimbursement will be made available with respect to our
drug candidates, if approved, under any foreign reimbursement system.  In some foreign countries, including major markets
in the European Union and Japan, the pricing of prescription pharmaceuticals is subject to governmental control.  In these
countries,  pricing  negotiations  with  governmental  authorities  can  take  up  to  12  months  or  longer  after  the  receipt  of
regulatory marketing approval for a product.  To obtain reimbursement or pricing approval in some countries, we may be
required to conduct a pharmacoeconomic study that compares the cost-effectiveness of our drug candidate to other available
therapies.  Such pharmacoeconomic studies can be costly and the results uncertain.  Our business could be

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harmed if reimbursement of our drug candidates, if approved, is unavailable or limited in scope or amount or if pricing is set
at unsatisfactory levels.

Employees and Human Capital Resources

As of December 31, 2021, we had 77 total employees, of which 72 were full-time employees. All of our employees
are  located  in  the  United  States.  None  of  our  employees  are  represented  by  a  labor  union  or  covered  by  a  collective
bargaining agreement. We consider our relationship with our employees to be good.

Our human capital resources objectives include, as applicable, identifying, recruiting, retaining, incentivizing and
integrating our existing and new employees, advisors and consultants. The principal purposes of our equity incentive plans
are  to  attract,  retain  and  reward  personnel  through  the  granting  of  stock-based  compensation  awards  in  order  to  increase
stockholder value and the success of our company by motivating such individuals to perform to the best of their abilities and
achieve our objectives.

Corporate Information

We  were  incorporated  under  the  laws  of  the  State  of  Delaware  in  July  2012.  Our  principal  executive  offices  are
located  at  640  Lee  Road,  Suite  200,  Wayne,  PA  19087.  Our  telephone  number  is  (484)  324-7933.  Our  common  stock  is
listed on the Nasdaq Global Select Market under the symbol “ACRS.”

Available Information

Our internet website address is www.aclaristx.com.  In addition to the information contained in this Annual Report,
information about us can be found on our website. Our website and information included in or linked to our website are not
part of this Annual Report.  

Our annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments
to  those  reports  filed  or  furnished  pursuant  to  Section  13(a)  or  15(d)  of  the  Exchange  Act  are  available  free  of  charge
through our website as soon as reasonably practicable after they are electronically filed with or furnished to the Securities
and Exchange Commission, or SEC.  The SEC also maintains a website that contains our reports, proxy and information
statements and other information.  The address of the SEC’s website is www.sec.gov.

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Item 1A. Risk Factors

Our  business  is  subject  to  numerous  risks.  You  should  carefully  consider  the  following  risks  and  all  other
information  contained  in  this  Annual  Report,  as  well  as  general  economic  and  business  risks,  together  with  any  other
documents we file with the SEC. If any of the following events actually occur or risks actually materialize, it could have a
material  adverse  effect  on  our  business,  operating  results  and  financial  condition  and  cause  the  trading  price  of  our
common stock to decline.

Summary of Risk Factors

● We have incurred significant losses since our inception. We expect to incur losses over the next several years

and may never achieve or maintain profitability.

● We  will  need  substantial  additional  funding  to  meet  our  financial  obligations  and  to  pursue  our  business
objectives. If we are unable to raise capital when needed, we could be forced to curtail our planned operations.
● Our business is dependent on the successful development of our investigational drug candidate, zunsemetinib.
● We have a limited history as a clinical-stage biopharmaceutical company developing and partnering our drug
candidates, which may make it difficult to evaluate the success of our business to date and to assess our future
viability.

● If  we  are  unable  to  successfully  develop  our  drug  candidates  and  to  pursue  strategic  alternatives,  including
identifying  and  consummating  transactions  with  third-party  partners,  to  further  develop,  obtain  marketing
approval  for  and/or  commercialize  our  drug  candidates,  or  experience  significant  delays  in  doing  so,  our
business will be harmed.

● Our future success depends on our ability to retain key executives and to attract, retain and motivate qualified

personnel.

● We  intend  to  pursue  strategic  alternatives,  including  identifying  and  consummating  transactions  with  third-
party partners, to further develop, obtain marketing approval for and/or commercialize our drug candidates. If
those arrangements are not successful, we may not be able to capitalize on the market potential of these drug
candidates.

● Our  business  has  been  adversely  impacted  and  could  continue  to  be  adversely  affected  by  the  evolving  and
ongoing  COVID-19  global  pandemic  in  regions  where  we  or  third  parties  on  which  we  rely  have
manufacturing  facilities,  clinical  trial  sites  or  other  business  operations.  The  COVID-19  pandemic  could
adversely  affect  our  operations,  including  at  our  headquarters  and  at  our  clinical  trial  sites,  as  well  as  the
business or operations of our manufacturers, contract research organizations or other third parties with whom
we conduct business.

● If we are unable to obtain and maintain patent protection for our drug candidates, or if the scope of the patent
protection  obtained  is  not  sufficiently  broad,  our  competitors  could  develop  and  commercialize  technology
and drugs similar or identical to ours, and our ability to successfully pursue strategic alternatives, including
identifying  and  consummating  transactions  with  potential  third-party  partners,  to  commercialize  our
technology and drug candidates may be impaired.

● We face substantial competition, which may result in others discovering, developing or commercializing drugs

before or more successfully than we do.

Risks Related to Our Business, Our Financial Position and Capital Needs

We have incurred significant losses since our inception. We expect to incur losses over the next several years

and may never achieve or maintain profitability.

Since inception, we have incurred significant net losses. We incurred net losses of $90.9 million and $51.0 million
for the years ended December 31, 2021 and 2020, respectively. As of December 31, 2021, we had an accumulated deficit of
$595.4  million.  We  have  financed  our  operations  over  the  last  several  years  primarily  from  sales  of  equity  securities  and
incurring indebtedness in the form of loans from commercial lenders.

We have devoted substantially all of our financial resources and efforts to the development of our drug candidates,

including preclinical studies and clinical trials, and from 2018 to October 2019, to the commercialization of products. Our

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net losses may fluctuate significantly from quarter to quarter and year to year. We expect to continue to incur significant
expenses and operating losses in the near term as we:

● pursue  strategic  alternatives,  including  identifying  and  seeking  to  consummate  transactions  with  third-party

partners, to further develop, obtain marketing approval for and/or commercialize our drug candidates;

● continue the clinical development of zunsemetinib as a potential treatment for moderate to severe rheumatoid
arthritis and other immuno-inflammatory diseases, ATI-1777 as a potential treatment for moderate to severe
atopic dermatitis, and ATI-2138 as a potential treatment for T cell-mediated autoimmune diseases;

● continue to develop our preclinical drug candidates, including ATI-2231;
● continue to discover and develop additional drug candidates;
● maintain, expand and protect our intellectual property portfolio; and
● incur  legal,  accounting,  investor  relations  and  other  administrative  expenses  in  operating  as  a  public

company.  

To  become  and  remain  profitable,  we  must  succeed  in  a  range  of  challenging  activities,  including  completing
preclinical  testing  and  clinical  trials  of  our  drug  candidates  and  pursuing  strategic  alternatives,  including  identifying  and
consummating  transactions  with  third-party  partners,  for  the  further  development  and/or  commercialization  of  our  drug
candidates, as well as discovering and developing additional drug candidates. We are in the early stages of most of these
activities. We may never succeed in these activities and, even if we do, may never earn revenue from our drug candidates
that is significant enough to achieve profitability.

For any of our drug candidates, our revenue will be dependent, in part, upon our ability to identify and consummate
transactions  with  third-party  partners  to  further  develop,  obtain  marketing  approval  for  and/or  commercialize  those  drug
candidates.  Further,  we  will  be  dependent  on  our  potential  third-party  partners’  ability  to  obtain  marketing  approval  and
successfully commercialize the product, upon the size of the markets in the territories where marketing approval is obtained,
the accepted price for the product, and the ability to obtain coverage and reimbursement, if any. If we fail to identify and
enter into partnerships with third parties to further develop, obtain marketing approval for and/or commercialize our drug
candidates,  any  partnerships  we  enter  into  do  not  result  in  the  successful  development,  marketing  approval  for  and
commercialization  of  our  drug  candidates,  the  number  of  addressable  patients  is  not  as  significant  as  estimated  by  our
potential third-party partners, the indication approved by regulatory authorities is narrower than expected, or the treatment
population is narrowed by competition, physician choice or treatment guidelines, we may not earn significant revenue from
agreements  with  potential  third-party  partners  for  such  drug  candidates,  even  if  the  drug  candidates  are  approved  for
marketing. 

Because  of  the  numerous  risks  and  uncertainties  associated  with  drug  development,  we  are  unable  to  accurately
predict  the  timing  or  amount  of  expenses  or  when,  or  if,  we  will  be  able  to  achieve  profitability.  If  we  are  required  by
regulatory  authorities  to  perform  studies  in  addition  to  those  expected,  or  if  there  are  any  delays  in  the  initiation  and
completion of our clinical trials, the development of any of our drug candidates or the identification and consummation of
transactions  with  third-party  partners  to  further  develop,  obtain  marketing  approval  for  and/or  commercialize  our  drug
candidates, our expenses could increase.

Even  if  we  achieve  profitability,  we  may  not  be  able  to  sustain  or  increase  profitability  on  a  quarterly  or  annual
basis. Our failure to become and remain profitable would depress the value of our company and could impair our ability to
raise capital, expand our business, maintain our development efforts, diversify our offerings or continue our operations. A
decline in the value of our company could also cause you to lose all or part of your investment.

We  will  need  substantial  additional  funding  to  meet  our  financial  obligations  and  to  pursue  our  business

objectives. If we are unable to raise capital when needed, we could be forced to curtail our planned operations. 

Identifying  potential  drug  candidates  and  conducting  preclinical  testing  and  clinical  trials  is  a  time-consuming,
expensive  and  uncertain  process  that  takes  years  to  complete,  and  we  may  never  generate  the  necessary  data  or  results
required to identify and consummate transactions with third-party partners to further develop, obtain marketing approval for
and/or commercialize our drug candidates. We expect to incur significant expenses and operating losses for the foreseeable
future as we advance our drug candidates from discovery through preclinical and clinical development. In addition, we may
not be able to identify and consummate transactions with third-party partners to further develop, obtain marketing approval
for and/or commercialize our drug candidates, and our drug candidates, if approved, may not achieve commercial success.
 Furthermore, we incur and expect to continue to incur significant costs associated with operating as

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a  public  company,  including  legal,  accounting,  investor  relations  and  other  expenses.    We  also  expect  to  add  additional
personnel to support our operational plans and strategic direction. 

As of December 31, 2021, we had cash, cash equivalents and marketable securities of $225.7 million. We believe
that our existing cash, cash equivalents and marketable securities as of the date of this Annual Report will enable us to fund
our operating expenses and capital expenditure requirements for a period greater than 12 months from the date of this report
based  on  our  current  operating  assumptions.  These  assumptions  may  prove  to  be  wrong,  and  we  could  use  our  available
capital  resources  sooner  than  we  expect.  Changes  may  occur  beyond  our  control  that  would  cause  us  to  consume  our
available capital before that time, including changes in and progress of our development activities, acquisitions of additional
products  or  drug  candidates,  and  changes  in  regulation.  Our  future  capital  requirements  will  depend  on  many  factors,
including:

● the number and development requirements of the drug candidates that we may pursue;
● the scope, progress, results and costs of preclinical development, laboratory testing and conducting preclinical

and clinical trials for our drug candidates;

● the costs, timing and outcome of regulatory review of our drug candidates;
● the extent to which we in-license or acquire additional drug candidates and technologies;
● the  costs  and  timing  of  preparing,  filing  and  prosecuting  patent  applications,  maintaining  and  enforcing  our

intellectual property rights and defending any intellectual property-related claims;

● the impact on the timing of our preclinical studies, on the recruitment, enrollment, conduct and timing of our

clinical trials, and on our business, due to the COVID-19 pandemic;

● our  ability  to  identify  and  consummate  transactions  with  third-party  partners  to  further  develop,  obtain

marketing approval for and/or commercialize our drug candidates; and

● our ability to earn revenue from licenses to, or partnerships or other arrangements with, third parties.

We will require additional capital to complete the clinical development of zunsemetinib, ATI-1777 and ATI-2138,
to  develop  our  preclinical  compounds  and  to  support  our  discovery  efforts.   Additional  funds  may  not  be  available  on  a
timely basis, on commercially acceptable terms, or at all, and such funds, if raised, may not be sufficient to enable us to
continue to implement our long-term business strategy. Our ability to raise additional capital may be adversely impacted by
potential  worsening  global  economic  conditions  and  the  recent  disruptions  to,  and  volatility  in,  the  credit  and  financial
markets  in  the  United  States  and  worldwide  resulting  from  the  ongoing  COVID-19  pandemic.  If  we  are  unable  to  raise
sufficient additional capital or  generate  revenue  from  transactions  with  potential  third-party  partners  for  the  development
and/or commercialization of our drug candidates, we could be forced to curtail our planned operations.

Our business is dependent on the successful development of our drug candidate, zunsemetinib.

Our pipeline includes zunsemetinib, our investigational oral, novel, selective MK2 inhibitor compound, which we
are  developing  as  a  potential  treatment  for  moderate  to  severe  rheumatoid  arthritis  and  other  immuno-inflammatory
diseases. The success of our business will significantly depend on our successful development of and/or our ability to pursue
strategic alternatives for, including identifying and consummating transactions with third-party partners, to further develop,
obtain marketing approval for and/or commercialize, zunsemetinib.

Raising  additional  capital  may  cause  dilution  to  our  stockholders,  restrict  our  operations  or  require  us  to

relinquish rights to our technologies, intellectual property, potential future revenue streams or drug candidates.

Until  such  time,  if  ever,  as  we  can  earn  substantial  revenue,  we  expect  to  finance  our  cash  needs  through  a
combination  of  equity  offerings,  debt  financings  and  license  and  partnership  agreements.  To  the  extent  that  we  raise
additional  capital  through  the  sale  of  equity  securities  or  convertible  debt  securities,  our  stockholders’  ownership  interest
will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect the rights
of holders of our common stock. Debt financing and preferred equity financing, if available, may involve agreements that
include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital
expenditures or declaring dividends.

If  we  raise  additional  funds  through  partnerships,  strategic  alliances  or  marketing,  distribution  or  licensing
arrangements  with  potential  third-party  partners,  we  may  be  required  to  relinquish  valuable  rights  to  our  technologies,
intellectual property, potential future revenue streams, or drug candidates or grant licenses on terms that may not be

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favorable to us. If we are unable to raise additional funds through equity or debt financings or other arrangements with third
parties when needed, we may be required to delay, limit, reduce or terminate our drug development efforts or grant rights to
third  parties  to  develop  technologies,  intellectual  property,  or  drug  candidates  that  we  would  otherwise  prefer  to  develop
ourselves.

We have a limited history as a clinical-stage biopharmaceutical company developing and partnering our drug

candidates, which may make it difficult to evaluate the success of our business to date and to assess our future viability.

Our  operations  over  the  last  several  years  have  been  largely  focused  on  undertaking  preclinical  studies  and
conducting  clinical  trials,  drug  discovery,  acquiring  new  drug  candidates  and  related  intellectual  property,  and  raising
capital.  We  have  had  limited  time  to  demonstrate  our  ability  to  successfully  develop,  manufacture  and  identify  and
consummate transactions with third-party partners to further develop, obtain marketing approval for and/or commercialize
our drug candidates. Consequently, any predictions you make about our future success or viability may not be as accurate as
they could be if we had a longer history of being a clinical-stage biopharmaceutical company focused on developing and
partnering  drugs.  We  may  also  encounter  unforeseen  expenses,  difficulties,  complications,  delays  and  other  known  or
unknown factors in achieving our business objectives.

Our  business  has  been  adversely  impacted  and  could  continue  to  be  adversely  affected  by  the  evolving  and
ongoing  COVID-19  global  pandemic  in  regions  where  we  or  third  parties  on  which  we  rely  have  manufacturing
facilities, clinical trial sites or other business operations. The COVID-19 pandemic could adversely affect our operations,
including at our headquarters and at our clinical trial sites, as well as the business or operations of our manufacturers,
contract research organizations or other third parties with whom we conduct business.

Our business has been adversely affected by the effects of the COVID-19 pandemic, which has resulted in travel
and  other  restrictions  in  order  to  reduce  the  spread  of  the  disease,  which,  among  other  things,  direct  businesses  and
governmental agencies to cease non-essential operations at physical locations, prohibit certain non-essential gatherings, and
order  cessation  of  non-essential  travel.  In  response  to  these  public  health  directives  and  orders,  we  have  implemented  a
virtual  operations  strategy,  including  teleworking,  staggered  work  schedules  for  lab  personnel  and  other  alternative  work
arrangements for employees. The effects of our alternative work arrangement policies may negatively impact productivity,
disrupt our business and delay our preclinical drug development and clinical trials and timelines, the magnitude of which
will depend, in part, on the length and severity of the restrictions and other limitations on our ability to conduct our business
in the ordinary course. These and similar, and perhaps more severe, disruptions in our operations could negatively impact
our business, operating results and financial condition.

Quarantines, executive and similar government orders, and business shutdowns, or the perception that such orders,
shutdowns or other restrictions on the conduct of business operations could occur, related to COVID-19 or other infectious
diseases  could  impact  personnel  at  third-party  manufacturing  facilities  in  the  United  States  and  other  countries,  or  the
availability or cost of materials, which would disrupt our supply chain. Some of our third-party manufacturers which we use
for  the  supply  of  materials  for  our  drug  candidates  or  other  materials  necessary  to  manufacture  drug  product  to  conduct
preclinical  studies  and  clinical  trials  have  encountered  some  delays  due  to  staffing  shortages  as  a  result  of  COVID-19
infections, and should they continue to experience disruptions or experience more significant disruptions, such as temporary
closures,  suspension  of  services  or  staffing  shortages,  we  would  likely  experience  delays  in  advancing  these  studies  and
trials.

In addition, our clinical trials have been and may continue to be affected by the COVID-19 pandemic. Clinical site
initiation and patient enrollment may be delayed due to prioritization of hospital resources toward the COVID-19 pandemic.
Some subjects may not be able to comply with clinical trial protocols if quarantines impede patient movement or interrupt
healthcare  services.  Similarly,  our  ability  to  recruit  and  retain  subjects  and  principal  investigators  and  site  staff  who,  as
healthcare providers, may have heightened exposure to COVID-19, may adversely impact our clinical trial operations.

The  spread  of  COVID-19  and  its  variants,  which  has  caused  a  broad  impact  globally,  may  materially  affect  us
economically.  While  the  potential  economic  impact  brought  by,  and  the  duration  of,  the  COVID-19  pandemic  may  be
difficult  to  assess  or  predict,  the  widespread  pandemic  could  result  in  significant  disruption  of  global  financial  markets,
reducing our ability to access capital, which could in the future negatively affect our liquidity. In addition, a recession or
market correction, inflation or other negative global economic conditions resulting from the further spread of COVID-19
could materially affect our business and the value of our common stock.

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The global COVID-19 pandemic continues to evolve. The extent to which the COVID-19 pandemic impacts our
business, our preclinical and clinical development and our regulatory efforts will depend on future developments that are
highly uncertain and cannot be predicted, such as the spread of the disease, the introduction of new variants, the duration of
the  pandemic,  travel  restrictions,  quarantines,  stay-at-home  orders,  social  distancing  requirements,  business  closures,  and
supply  chain  and  other  disruptions  in  the  United  States  and  other  countries,  and  the  effectiveness  of  actions  taken  in  the
United States and other countries to contain and treat the disease, including the administration of vaccines.  Accordingly, we
do  not  yet  know  the  full  extent  of  the  impacts  on  our  business,  our  preclinical  and  clinical  development  and  regulatory
activities,  healthcare  systems  or  the  global  economy  as  a  whole.    However,  these  impacts  could  adversely  affect  our
business, financial condition, results of operations and growth prospects.

In addition, to the extent the ongoing COVID-19 pandemic adversely affects our business and results of operations,

it may also have the effect of heightening many of the other risks and uncertainties described herein.

Risks Related to the Development and Potential Commercialization of Our Drug Candidates

If  we  are  unable  to  successfully  develop  our  drug  candidates  and  to  pursue  strategic  alternatives,  including
identifying and consummating transactions with third-party partners, to further develop, obtain marketing approval for
and/or commercialize our drug candidates, or experience significant delays in doing so, our business will be harmed.

We  have  invested  significant  efforts  and  financial  resources  in  the  development  of  our  drug  candidates  and  the
identification  of  potential  drug  candidates.  Our  ability  to  earn  substantial  revenue  from  our  drug  candidates  will  depend
heavily  on  our  ability  to  successfully  develop  and  pursue  strategic  alternatives,  including  identifying  and  consummating
transactions  with  third-party  partners,  to  further  develop,  obtain  marketing  approval  for  and/or  commercialize  these  drug
candidates.  The  success  of  any  drug  candidates  that  we  develop,  including  zunsemetinib,  will  depend  on  several  factors,
including:

● successful completion of preclinical studies and our clinical trials;
● successful development of manufacturing processes;
● receipt of timely approvals from applicable regulatory authorities;
● the  identification  and  consummation  of  transactions  with  third-party  partners  to  further  develop,  obtain

marketing approval for and/or commercialize our drug candidates;

● the commercial launch of our drug candidates, if approved, by a potential third-party partner;
● our  potential  third-party  partners’  ability  to  achieve  acceptance  of  our  drug  candidates,  if  approved,  by
patients, the medical community and third-party payors, and willingness of patients to pay out of pocket for
our drug candidates when third-party payor coverage and reimbursement is limited or unavailable;

● our  potential  third-party  partners’  ability  to  achieve  success  in  educating  physicians  and  patients  about  the

benefits, administration and use of our drug candidates, if approved;

● the prevalence and severity of adverse events experienced with our drug candidates;
● the  availability,  perceived  advantages,  cost,  safety  and  efficacy  of  alternative  treatments  for  the  proposed

indications of our drug candidates;

● obtaining  and  maintaining  patent,  trademark  and  trade  secret  protection  and  regulatory  exclusivity  for  our

drug candidates and otherwise protecting the intellectual property portfolio;

● maintaining  compliance  with  regulatory  requirements,  including  current  good  manufacturing  practices,  or

cGMPs;

● our potential third-party partners’ ability to compete effectively with other treatment procedures; and
● our  potential  third-party  partners’  ability  to  maintain  a  continued  acceptable  safety,  tolerability  and  efficacy

profile of our drug candidates following marketing approval.

Whether  marketing  approval  will  be  granted  is  unpredictable  and  depends  upon  numerous  factors,  including  the
substantial  discretion  of  the  regulatory  authorities.  Our  drug  candidates’  success  in  clinical  trials  will  not  guarantee
marketing approval. Following submission, the NDA for any drug candidate may not be accepted for substantive review, or
even  if  it  is  accepted  for  substantive  review  the  FDA  or  other  comparable  foreign  regulatory  authorities  may  require
additional studies or clinical trials, additional data, or additional manufacturing steps, or require other conditions before they
will reconsider or approve the application, which could increase costs and cause delays in the marketing approval process
and which may require the expenditure of additional resources. These delays would also impact our ability to

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identify  and  consummate  transactions  with  third-party  partners  to  further  develop,  obtain  marketing  approval  for  and/or
commercialize  our  drug  candidates.  In  addition,  the  FDA  or  other  comparable  foreign  regulatory  authorities  may  not
consider  sufficient  any  additional  required  studies,  clinical  trials,  data  or  information  that  we  perform  and  complete  or
generate, or we may decide to abandon the program.

It is possible that our drug candidates currently in development will never obtain marketing approval. If we do not
achieve one or more of these factors in a timely manner or at all, we could experience significant delays or an inability to
successfully pursue strategic alternatives, including identifying and consummating transactions with third-party partners, to
further develop, obtain marketing approval for and/or commercialize our drug candidates, which would harm our business.

Clinical drug development involves a lengthy and expensive process, with an uncertain outcome. We may incur
additional costs or experience delays in completing, or ultimately be unable to complete, the development of and pursue
strategic alternatives, including identifying and consummating transactions with third-party partners, to further develop,
obtain marketing approval for and/or commercialize our drug candidates.

The risk of failure for our drug candidates is high. It is impossible to predict when or if any of our drug candidates
will prove effective or safe in humans or will receive marketing approval. Before obtaining regulatory approval for the sale
of any drug candidate, we must complete preclinical development and then conduct extensive clinical trials to demonstrate
the  safety  and  efficacy  of  our  drug  candidates  in  humans  for  use  in  the  target  indication.  Clinical  testing  is  expensive,
difficult to design and implement, can take many years to complete and is inherently uncertain as to outcome.

A  failure  of  one  or  more  clinical  trials  can  occur  at  any  stage  of  testing.  The  outcome  of  preclinical  testing  and
early clinical trials may not be predictive of the success of later clinical trials, and interim results of a clinical trial do not
necessarily predict final results. Moreover, preclinical and clinical data are often susceptible to varying interpretations and
analyses, and many companies that have believed their drug candidates performed satisfactorily in preclinical studies and
clinical trials have nonetheless failed to obtain marketing approval of their drugs.

We may experience numerous unforeseen events during or as a result of clinical trials that could delay or prevent
our ability to pursue strategic alternatives, including identifying and consummating transactions with third-party partners, to
further develop, obtain marketing approval for and/or commercialize our drug candidates, including:

● regulators or IRBs may not authorize us or our investigators to commence a clinical trial or conduct a clinical

trial at a prospective trial site;

● we  may  experience  delays  in  reaching,  or  fail  to  reach,  agreement  on  acceptable  clinical  trial  contracts  or
clinical trial protocols with prospective trial sites or prospective contract research organizations, or CROs, the
terms of which can be subject to extensive negotiation and may vary significantly among different CROs and
trial sites;

● clinical  trials  of  our  drug  candidates  may  produce  negative  or  inconclusive  results,  including  failure  to
demonstrate  statistical  significance,  and  we  may  decide,  or  regulators  may  require  us,  to  conduct  additional
clinical trials or abandon drug development programs;

● the  number  of  patients  required  for  clinical  trials  of  our  drug  candidates  may  be  larger  than  we  anticipate,
enrollment  in  these  clinical  trials  may  be  slower  than  we  anticipate,  or  participants  may  drop  out  of  these
clinical trials or fail to return for post-treatment follow-up at a higher rate than we anticipate;

● the COVID-19 pandemic may impact the recruitment, enrollment, conduct and timing of our clinical trials;
● our drug candidates may have undesirable side effects or other unexpected characteristics, causing us or our

investigators, regulators or IRBs to suspend or terminate the trials;

● our  third-party  contractors  may  fail  to  comply  with  regulatory  requirements  or  meet  their  contractual

obligations to us in a timely manner, or at all;

● regulators  or  IRBs  may  require  that  we  or  our  investigators  suspend  or  terminate  clinical  development  for
various reasons, including noncompliance with regulatory requirements or a finding that the participants are
being exposed to unacceptable health risks;

● the cost of clinical trials of our drug candidates may be greater than we anticipate; and
● the supply or quality of our drug candidates or other materials necessary to conduct clinical trials of our drug

candidates may be insufficient or inadequate.

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We could also encounter delays if a clinical trial is suspended or terminated by us, by the IRBs of the institutions in
which such trials are being conducted, by a data safety monitoring board for such trial or by the FDA or other regulatory
authorities. Such authorities may impose such a suspension or termination due to a number of factors, including failure to
conduct the clinical trial in accordance with regulatory requirements or our clinical protocols, inspection of the clinical trial
operations or trial site by the FDA or other regulatory authorities resulting in the imposition of a clinical hold, unforeseen
safety issues or adverse side effects, failure to demonstrate a benefit from using a drug, changes in governmental regulations
or administrative actions or lack of adequate funding to continue the clinical trial.  

If we experience delays in the completion of, or termination of, any clinical trial of our drug candidates, our costs
will increase, our drug candidate development process will be slowed, the commercial prospects of our drug candidates will
be harmed, and our ability to pursue strategic alternatives, including identifying and consummating transactions with third-
party partners, to further develop, obtain marketing approval for and/or commercialize our drug candidates will be delayed.
Any of these occurrences may harm our business, financial condition and prospects significantly. In addition, many of the
factors that cause, or lead to, a delay in the commencement or completion of clinical trials may also ultimately lead to the
denial of marketing approval of our drug candidates. If we are required to conduct additional clinical trials or other testing
of our drug candidates beyond those that we currently contemplate, if we are unable to successfully complete clinical trials
of our drug candidates or other testing, if the results of these trials or tests are not favorable or if there are safety concerns,
we may not be able to pursue strategic alternatives, including identifying and consummating transactions with third-party
partners,  to  further  develop,  obtain  marketing  approval  for  and/or  commercialize  our  drug  candidates,  and  our  potential
third-party partners may:

● be delayed in obtaining marketing approval for our drug candidates;
● not obtain marketing approval at all;
● obtain marketing approval for indications or patient populations that are not as broad as intended or desired;
● obtain  marketing  approval  with  labeling  that  includes  significant  use  or  distribution  restrictions  or  safety

warnings;

● be subject to additional post-marketing testing requirements; or
● have the drug removed from the market after obtaining marketing approval.

Our drug development costs will also increase if we experience delays in testing. We do not know whether any of
our preclinical studies or clinical trials will begin as planned, will need to be restructured or will be completed on schedule,
or at all. Significant preclinical study or clinical trial delays also could shorten any periods during which our potential third-
party  partners  may  have  the  exclusive  right  to  commercialize  our  drug  candidates  or  allow  competitors  to  bring  drugs  to
market  before  such  third-party  partners  do,  which  would  impact  our  ability  to  successfully  identify  and  consummate
transactions  with  third-party  partners  to  further  develop,  obtain  marketing  approval  for  and/or  commercialize  our  drug
candidates.

If  we  experience  delays  or  difficulties  in  the  enrollment  of  subjects  in  clinical  trials,  our  ability  to  pursue
strategic alternatives, including identifying and consummating transactions with third-party partners, to further develop,
obtain marketing approval for and/or commercialize our drug candidates could be delayed or prevented.

Successful  and  timely  completion  of  clinical  trials  will  require  that  we  enroll  a  sufficient  number  of  subjects.
Subject  enrollment,  a  significant  factor  in  the  timing  of  clinical  trials,  is  affected  by  many  factors  including  the  size  and
nature  of  the  patient  population.  Trials  may  be  subject  to  delays  as  a  result  of  subject  enrollment  taking  longer  than
anticipated or subject withdrawal, including as a result of factors beyond our control, such as the COVID-19 pandemic. We
may not be able to initiate or continue clinical trials for our drug candidates if we are unable to locate and enroll a sufficient
number of eligible patients to participate in these trials as required by the FDA or similar regulatory authorities outside the
United States. We cannot predict how successful we will be at enrolling subjects in future clinical trials. Subject enrollment
is affected by other factors including:

● the eligibility criteria for the trial in question;
● the perceived risks and benefits of the drug candidate in the trial;
● the availability of drugs approved to treat the disease in the trial;
● the efforts to facilitate timely enrollment in clinical trials;
● the patient referral practices of physicians;
● the ability to monitor patients adequately during and after treatment; and

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● the proximity and availability of clinical trial sites for prospective patients.

Our inability to enroll a sufficient number of subjects for clinical trials would result in significant delays and could
require us or them to abandon one or more clinical trials altogether. Enrollment delays in these clinical trials may result in
increased development costs for our drug candidates, which would cause the value of our company to decline and limit our
ability to obtain additional financing. Furthermore, we rely on and expect to continue to rely on CROs and clinical trial sites
to ensure the proper and timely conduct of our clinical trials and we will have limited influence over their performance. Any
delays in completing clinical trials would delay or prevent our ability to pursue strategic alternatives, including identifying
and  consummating  transactions  with  third-party  partners,  to  further  develop,  obtain  marketing  approval  for  and/or
commercialize our drug candidates.

Our clinical trials may fail to demonstrate the safety and efficacy of our drug candidates, or serious adverse or
unacceptable  side  effects  may  be  identified  during  the  development  of  our  drug  candidates,  which  could  increase  our
costs  or  necessitate  the  abandonment  or  limitation  of  the  development  of  our  drug  candidates  or  prevent  or  delay  our
ability to pursue strategic alternatives, including identifying and consummating transactions with third-party partners, to
further develop, obtain marketing approval for and/or commercialize our drug candidates.

If our drug candidates are associated with side effects in clinical trials or have characteristics that are unexpected,
our costs could increase or we may need to abandon their development or limit development to more narrow uses in which
the side effects or other characteristics are less prevalent, less severe or more acceptable from a risk-benefit perspective. The
FDA or an IRB may also require that we suspend, discontinue, or limit our clinical trials based on safety information. Such
findings  could  further  result  in  regulatory  authorities  failing  to  provide  marketing  authorization  for  our  drug  candidates.
Many drug candidates that initially showed promise in early stage testing have later been found to cause side effects that
prevented further development of the drug candidate.

Before  any  potential  third-party  partners  can  obtain  marketing  approvals  for  the  commercial  sale  of  our  drug
candidates, we must demonstrate through lengthy, complex and expensive preclinical testing and clinical trials that our drug
candidates are both safe and effective for use in each target indication, and failures can occur at any stage of testing. Clinical
trials often fail to demonstrate safety and efficacy of the drug candidate studied for the target indication.

Additionally,  if  we  or  others  identify  undesirable  side  effects  caused  by  our  drugs,  a  number  of  potentially

significant negative consequences could result, including:

● we may need to abandon the development or limit the further development of our drug candidates, including

in various populations and for certain indications;  

● regulatory authorities may withdraw approval to market such product;
● regulatory authorities may require additional warnings on the labels;
● a medication guide outlining the risks of such side effects for distribution to patients may be required;
● we could be sued and held liable for harm caused to patients;
● our reputation and physician or patient acceptance of our drug candidates, if approved, may suffer; and
● our  ability  to  pursue  strategic  alternatives,  including  identifying  and  consummating  transactions  with  third-
party  partners,  to  further  develop,  obtain  marketing  approval  for  and/or  commercialize  our  drug  candidates
would be harmed.

Any of these events could prevent us from pursuing strategic alternatives, including identifying and consummating
transactions with third-party partners, to further develop, obtain marketing approval for and/or commercialize the particular
drug candidate and could significantly harm our business, results of operations and prospects.

Interim, topline and preliminary data from our clinical trials that we announce or publish from time to time may
change as more subject data become available and are subject to audit and verification procedures that could result in
material changes in the final data.

From time to time, we may publicly disclose interim, topline or preliminary data from our clinical trials, which are
based on a preliminary analysis of then-available data, and the results and related findings and conclusions are subject to
change  following  a  full  analysis  of  all  data  related  to  the  particular  trial.  We  also  make  assumptions,  estimations,
calculations and conclusions as part of our analyses of data, and we may not have received or had the opportunity to fully

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and  carefully  evaluate  all  data.  In  addition,  we  may  report  preliminary  analyses  of  only  certain  endpoints  rather  than  all
endpoints. As a result, the interim, topline or preliminary results that we report may differ from future results of the same
trials, or different conclusions or considerations may qualify such results, once additional data have been received and fully
evaluated.  Topline  data  also  remain  subject  to  audit  and  verification  procedures  that  may  result  in  the  final  data  being
materially  different  from  the  preliminary  data  we  previously  published.  As  a  result,  interim,  topline  and  preliminary  data
should be viewed with caution until the final data are available. We may also disclose interim data from our clinical trials.
Interim data from clinical trials that we may complete are subject to the risk that one or more of the clinical outcomes may
materially  change  as  subject  enrollment  continues  and  more  subject  data  become  available.  Adverse  differences  between
interim, topline or preliminary data and final data could significantly harm our reputation and business prospects. Further,
disclosure of interim, topline or preliminary data by us or by our competitors could result in volatility in the price of our
common stock.

Further,  others,  including  regulatory  agencies,  may  not  accept  or  agree  with  our  assumptions,  estimates,
calculations, conclusions or analyses or may interpret or weigh the importance of data differently, which could impact the
potential  of  the  particular  program,  the  likelihood  of  marketing  approval  or  commercialization  of  the  particular  drug
candidate, any approved product, and our company in general. In addition, the information we choose to publicly disclose
regarding a particular study or clinical trial is derived from information that is typically extensive, and you or others may not
agree  with  what  we  determine  is  material  or  otherwise  appropriate  information  to  include  in  our  disclosure,  and  any
information  we  determine  not  to  disclose  may  ultimately  be  deemed  significant  with  respect  to  future  decisions,
conclusions, views, activities or otherwise regarding a particular program, drug candidate or our business.

If the interim, topline or preliminary data that we report differ from actual results, or if others, including regulatory
authorities,  disagree  with  the  conclusions  reached,  our  ability  to  pursue  strategic  alternatives,  including  identifying  and
consummating  transactions  with  third-party  partners,  to  further  develop,  obtain  marketing  approval  for  and/or
commercialize our drug candidates may be harmed, which could harm our business, operating results, prospects or financial
condition.

Changes in methods of drug candidate manufacturing or formulation may result in additional costs or delay.

As  drug  candidates  are  developed  through  preclinical  studies  to  late-stage  clinical  trials  towards  approval  and
commercialization,  it  is  common  that  various  aspects  of  the  development  program,  such  as  manufacturing  methods  and
formulation, are altered along the way in an effort to optimize processes and results. Such changes carry the risk that they
will not achieve these intended objectives, and may also require additional testing, FDA notification or FDA approval.  Any
of these changes could cause our drug candidates to perform differently and affect the results of planned clinical trials or
other future clinical trials conducted with the altered materials.  This could delay completion of clinical trials, require the
conduct of bridging clinical trials or the repetition of one or more clinical trials, increase clinical trial costs, delay approval
of our drug candidates and jeopardize our ability to pursue strategic alternatives, including identifying and consummating
transactions  with  third-party  partners,  to  further  develop,  obtain  marketing  approval  for  and/or  commercialize  our  drug
candidates.

We currently conduct and may in the future conduct clinical trials for our drug candidates outside the United
States. The FDA, EMA or comparable foreign regulatory authorities may not accept data from such trials, and doing so
subjects us to the risk that clinical development of our drug candidates may be adversely affected by changes in local and
regional political and economic conditions.

We currently conduct and may in the future conduct clinical trials for our drug candidates outside the United States.
The acceptance of trial data from clinical trials conducted outside the United States or another jurisdiction by the FDA or
comparable foreign regulatory authorities may be subject to certain conditions or may not be accepted at all. Such foreign
trials would be subject to the applicable local laws of the foreign jurisdictions where the trials are conducted. There can be
no  assurance  that  the  FDA,  EMA  or  any  comparable  foreign  regulatory  authority  will  accept  data  from  trials  conducted
outside of the United States or the applicable jurisdiction. If the FDA, EMA or any comparable regulatory authority does not
accept  such  data,  it  would  result  in  the  need  for  additional  trials,  which  would  be  costly  and  time-consuming  and  delay
aspects  of  our  business  plan,  and  which  may  result  in  our  drug  candidates  not  receiving  approval  or  clearance  for
commercialization in the applicable jurisdiction.

In  particular,  we  may  enroll  patients  in  our  Phase  2b  trial  of  zunsemetinib  in  subjects  with  moderate  to  severe

rheumatoid arthritis in multiple countries in Europe, including Ukraine. Any escalation of political tensions, economic

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instability, military activity or civil hostilities in Ukraine could disrupt our ability to conduct such trial, or delay or adversely
affect the timeliness of such trial. This could result in the need for alternative trial sites, which could be costly and time-
consuming and delay the clinical development of zunsemetinib.

We may not be successful in our efforts to increase our pipeline of drug candidates, including by in-licensing or

acquiring additional drug candidates.

A key element of our strategy is to build and expand our pipeline of drug candidates. To build our pipeline, we may
seek  to  in-license  or  acquire  additional  drug  candidates,  in  addition  to  our  in-house  capabilities.  We  may  not  be  able  to
identify or develop drug candidates that are safe, tolerable and effective. Even if we are successful in continuing to build our
pipeline, the potential drug candidates that we develop, in-license or acquire may not be suitable for clinical development,
including as a result of being shown to have harmful side effects or other characteristics that indicate that they are unlikely
to be drugs that will receive marketing approval and achieve market acceptance.

We may expend our limited resources to pursue a particular drug candidate or indication and fail to capitalize

on drug candidates or indications that may be more profitable or for which there is a greater likelihood of success.

Because  we  have  limited  financial  and  management  resources,  we  focus  on  development  programs  and  drug
candidates  that  we  identify  for  specific  indications.  As  such,  we  are  currently  primarily  focused  on  the  development  of
zunsemetinib as a potential treatment for moderate to severe rheumatoid arthritis and other immuno-inflammatory diseases,
ATI-1777  as  a  potential  treatment  for  moderate  to  severe  atopic  dermatitis,  ATI-2138  as  a  potential  treatment  for  T  cell-
mediated autoimmune diseases and ATI-2231 as a potential treatment for oncology.  As a result, we may forego or delay
pursuit  of  opportunities  with  other  drug  candidates  or  for  other  indications  that  later  prove  to  have  greater  commercial
potential.  Our  resource  allocation  decisions  may  cause  us  to  fail  to  capitalize  on  viable  commercial  drugs  or  profitable
market  opportunities.  Our  spending  on  current  and  future  development  programs  and  drug  candidates  for  specific
indications may not yield any commercially viable drugs. If we do not accurately evaluate the commercial potential or target
market  for  a  particular  drug  candidate,  we  may  relinquish  valuable  rights  to  that  drug  candidate  through  partnerships,
licensing or other arrangements in cases in which it would have been more advantageous for us to retain sole development
and commercialization rights to such drug candidate.

For any of our drug candidates that receive marketing approval, our potential third-party partners may fail to
achieve the degree of market acceptance by physicians, patients, third-party payors and others in the medical community
necessary for commercial success.

For any of our drug candidates that receive marketing approval, our potential third-party partners may fail to gain
sufficient market acceptance by physicians, patients, third-party payors and others in the medical community. If such third-
party partners fail to obtain an adequate level of acceptance for our drug candidates, we may not earn significant revenue
and we may not become profitable. The degree of market acceptance of any drug candidate, if approved, will depend on a
number of factors, including:

● the efficacy, safety and potential advantages compared to alternative treatments;
● our potential third-party partners’ ability to offer the products for sale at competitive prices;
● the convenience and ease of administration compared to alternative treatments;
● the  willingness  of  the  target  patient  population  to  try  new  treatments  and  of  physicians  to  prescribe  these

treatments;

● the ability of our potential third-party partners to retain a sales force;
● the strength of our potential third-party partners’ marketing and distribution support;
● the availability of third-party payor coverage and adequate reimbursement or the willingness of patients to pay

for these products;

● the prevalence and severity of any side effects; and
● any restrictions on the use of our products together with other medications.

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We face substantial competition, which may result in others discovering, developing or commercializing drugs

before or more successfully than we do.

The development and commercialization of new drugs is highly competitive. We will face competition with respect
to  any  drug  candidates  that  we  may  seek  to  develop  or  through  our  potential  third-party  partners,  commercialize,  in  the
future,  from  many  different  sources,  including  major  pharmaceutical,  biotechnology  and  specialty  pharmaceutical
companies, academic institutions and governmental agencies and public and private research institutions.

With  respect  to  zunsemetinib  as  a  potential  treatment  for  immuno-inflammatory  diseases  such  as  rheumatoid
arthritis,  psoriatic  arthritis  and  hidradenitis  suppurativa,  there  are  several  different  types  of  therapies  in  the  market.
Medications for the treatment of rheumatoid arthritis and psoriatic arthritis currently fall into two categories: drugs that ease
symptoms  such  as  nonsteroidal  anti-inflammatory  drugs  and  drugs  that  slow  disease  activity.  Drugs  that  slow  disease
activity  include  corticosteroids  and  DMARDs.  DMARDs  include  (i)  conventional  synthetic  DMARDs,  such  as
methotrexate,  sulfasalazine,  leflunomide  and  hydroxychloroquine,  (ii)  biologic  DMARDs  (monoclonal  antibodies  which
inhibit  targets  such  as  TNFα,  IL1β,  IL6,  IL17  and  costimulatory  signaling  mechanisms),  and  (iii)  targeted  synthetic
DMARDs such as JAK inhibitors. Hidradenitis suppurativa is currently treated with antibiotics, corticosteroids and surgery,
as  well  as  anti-TNF  therapy.  Drugs  for  the  treatment  of  immuno-inflammatory  diseases  such  as  rheumatoid  arthritis,
psoriatic  arthritis  and  hidradenitis  suppurativa  are  produced  and  sold,  or  are  approved  for  marketing,  by  large
pharmaceutical companies, including AbbVie, Amgen, Bristol Myers Squibb, Eli Lilly, Johnson & Johnson, Pfizer, Novartis
and Roche. In addition, we are aware of a number of companies developing and conducting clinical trials for investigational
drug candidates, including biosimilars, that, if approved, could compete with zunsemetinib, if approved, for the treatment of
immuno-inflammatory diseases.

With  respect  to  ATI-1777  as  a  potential  treatment  for  moderate  to  severe  atopic  dermatitis,  there  are  several
different types of therapies in the atopic dermatitis market, such as biologics, oral and topical corticosteroids, injectable and
oral methotrexate products, oral and topical calcineurin inhibitors, oral mycophenolate products, other JAK inhibitors, other
oral antibiotics and antihistamines and phototherapy. There are also several prescription, non-prescription and OTC topical
products, including PDE4 inhibitors, utilized to treat atopic dermatitis. These types of drugs are produced and sold, or are
approved for marketing, by large pharmaceutical companies, including AbbVie, Incyte, LEO Pharma A/S, Pfizer, and Sanofi
and Regeneron Pharmaceuticals, Inc. In addition, we are aware of a number of companies including large pharmaceutical
companies,  such  as  Eli  Lilly,  Novartis,  LEO  Pharma  A/S,  Pfizer  and  Dermavant  Sciences  developing  and  conducting
clinical  trials  for  investigational  drug  candidates,  that,  if  approved,  could  compete  with  ATI-1777,  if  approved,  for  the
treatment of atopic dermatitis.

The  commercial  opportunity  for  our  drug  candidates,  if  approved,  could  be  reduced  or  eliminated  if  our
competitors develop and commercialize drugs that are safer, more effective, have fewer or less severe side effects, are more
convenient or are less expensive than a drug that we may develop. Our competitors also may obtain FDA or other regulatory
approval for their drugs more rapidly than our potential third-party partners’ may obtain approval for our drug candidates,
which could result in our competitors establishing a strong market position before our drug candidates are able to enter the
market.

Many  of  the  companies  against  which  we  are  competing,  or  against  which  we  may  compete  in  the  future,  have
significantly  greater  financial  resources  and  expertise  in  research  and  development,  manufacturing,  and  preclinical  and
clinical development than we do. Mergers and acquisitions in the pharmaceutical and biotechnology industries may result in
even more resources being concentrated among a smaller number of our competitors. Smaller or early-stage companies may
also  prove  to  be  significant  competitors,  particularly  through  collaborative  arrangements  with  large  and  established
companies.  These  competitors  also  compete  with  us  in  recruiting  and  retaining  qualified  scientific  and  management
personnel and establishing clinical trial sites and patient registration for clinical trials, as well as in acquiring technologies
complementary to, or that may be necessary for, our development programs.

The  success  of  our  drug  candidates,  if  approved,  will  depend  significantly  on  coverage  and  adequate

reimbursement or the willingness of patients to pay for these products.

We believe the success of our drug candidates, if approved, will depend on obtaining and maintaining coverage and
adequate  reimbursement  as  a  prescription  treatment  or  in  the  absence  of  coverage  and  adequate  reimbursement,  on  the
extent to which patients will be willing to pay out of pocket for these prescription drug products.

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Third-party payors determine which prescription drug products they will cover and establish reimbursement levels.
Reimbursement  by  a  third-party  payor  may  depend  upon  a  number  of  factors,  including:  the  third-party  payor’s
determination that a product is safe, effective, and medically necessary; appropriate for the specific patient; cost-effective;
supported  by  peer-reviewed  medical  journals  or  current  clinical  practice  guidelines;  and  whether  there  are  competitive
products, either branded or generic, and the pricing of those products.  Many private third-party payors, such as managed
care plans, manage access to drug products’ coverage partly to control costs for their plans, and may use drug formularies
and medical policies to limit their exposure.  Obtaining and maintaining favorable reimbursement can be a time-consuming
and  expensive  process,  and  our  potential  third-party  partners  may  not  be  able  to  negotiate  or  continue  to  negotiate
reimbursement or pricing terms for our products with third-party payors at levels that are profitable to us, or at all. Further,
coverage  policies  and  third-party  reimbursement  rates  may  change  at  any  time.  Even  if  favorable  coverage  and
reimbursement  status  is  attained  for  one  or  more  products  which  receive  regulatory  approval,  less  favorable  coverage
policies and reimbursement rates may be implemented in the future.  

In  addition  to  uncertainties  surrounding  coverage  policies,  there  are  periodic  changes  to  reimbursement.    Third-
party  payors  regularly  update  reimbursement  amounts  and  also  from  time  to  time  revise  the  methodologies  used  to
determine  reimbursement  amounts.    Accordingly,  these  updates  could  impact  the  demand  for  our  drug  candidates,  if
approved. Our drug candidates, if approved, may not be considered cost effective, and government and third-party private
health insurance coverage and reimbursement may not be available to patients or sufficient to allow our potential third-party
partners to sell our drug candidates, if approved, on a competitive and profitable basis.  Our results of operations could be
adversely affected by the Affordable Care Act and by other health care legislative reforms that may be enacted or adopted in
the  future.    In  addition,  increasing  emphasis  on  managed  care  in  the  United  States  will  continue  to  put  pressure  on  the
pricing of pharmaceutical products.  Cost control initiatives could decrease the price that our potential third-party partners
could receive for any of our drug candidates, if approved, and could adversely affect our profitability.  We cannot predict
how pending and future health care legislation will impact our business, and any changes in coverage and reimbursement
that further restricts coverage of our drug candidates could harm our business.

Foreign governments also have their own healthcare reimbursement systems, which vary significantly by country
and region, and we cannot be sure that coverage and adequate reimbursement will be made available with respect to our
drug candidates, if approved, under any foreign reimbursement system.  In some foreign countries, including major markets
in the European Union and Japan, the pricing of prescription pharmaceuticals is subject to governmental control.  In these
countries,  pricing  negotiations  with  governmental  authorities  can  take  up  to  12  months  or  longer  after  the  receipt  of
regulatory marketing approval for a product.  To obtain reimbursement or pricing approval in some countries, we may be
required to conduct a pharmacoeconomic study that compares the cost-effectiveness of our drug candidate to other available
therapies.    Such  pharmacoeconomic  studies  can  be  costly  and  the  results  uncertain.    Our  business  could  be  harmed  if
reimbursement  of  our  drug  candidates,  if  approved,  is  unavailable  or  limited  in  scope  or  amount  or  if  pricing  is  set  at
unsatisfactory levels.

Product liability lawsuits against us could cause us to incur substantial liabilities and to limit commercialization
of  any  of  our  drug  candidates  that  we  may  develop  and  are  commercialized  by  our  potential  third-party  partners  or
impact any commercial products that we have previously sold or are being sold by third-party partners.

We face an inherent risk of product liability exposure related to the testing of our drug candidates in human clinical
trials and an even greater risk relating to any of our commercial products that we have previously sold or are being sold by
third-party partners. If we cannot successfully defend ourselves against claims that our commercial products that we have
previously  sold  or  are  being  sold  by  third-party  partners,  or  drug  candidates,  caused  injuries,  we  will  incur  substantial
liabilities. Regardless of merit or eventual outcome, product liability claims may result in:

● decreased demand for any drug candidates that we may develop and, if approved, are commercialized by our

potential third-party partners;

● injury to our reputation and significant negative media attention;
● withdrawal of clinical trial participants;
● significant costs to defend the related litigation;
● substantial monetary awards paid to trial participants or patients;
● loss of revenue;
● reduced resources of our management to pursue our business strategy; and

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● our inability to pursue strategic alternatives, including identifying and consummating transactions with third-
party partners, to further develop, obtain marketing approval for and/or commercialize our drug candidates.

We currently hold $10 million in product liability insurance coverage in the aggregate, with a per incident limit of
$10  million,  which  may  not  be  adequate  to  cover  all  liabilities  that  we  may  incur.  Insurance  coverage  is  increasingly
expensive. We may need to increase our insurance coverage and we may not be able to maintain insurance coverage at a
reasonable cost or in an amount adequate to satisfy any liability that may arise.

Risks Related to Our Dependence on Third Parties

We  rely  on  third  parties  to  conduct  clinical  trials  for  our  drug  candidates,  and  those  third  parties  may  not

perform satisfactorily, including failing to meet deadlines for the completion of such trials.

We engage CROs to conduct clinical trials of our drug candidates. We expect to continue to rely on third parties,
such  as  clinical  data  management  organizations,  medical  institutions  and  clinical  investigators,  to  conduct  those  clinical
trials. If any of our relationships with these third parties terminate, we may not be able to timely enter into arrangements
with alternative third parties or to do so on commercially reasonable terms, if at all. In addition, any third parties conducting
our clinical trials will not be our employees, and except for remedies available to us under our agreements with such third
parties, we cannot control whether or not they devote sufficient time and resources to our clinical programs. If these third
parties do not successfully carry out their contractual duties or obligations or meet expected deadlines, if they need to be
replaced  or  if  the  quality  or  accuracy  of  the  clinical  data  they  obtain  is  compromised  due  to  the  failure  to  adhere  to  our
clinical protocols, regulatory requirements or for other reasons, our clinical trials may be extended, delayed or terminated
and  we  may  not  be  able  to  identify  and  consummate  transactions  with  third-party  partners  to  further  develop,  obtain
marketing  approval  for  and/or  commercialize  our  drug  candidates.  Consequently,  our  results  of  operations  and  the
commercial  prospects  for  our  drug  candidates  would  be  harmed,  our  costs  could  increase  substantially  and  our  ability  to
earn revenue from those partnerships could be delayed significantly.

Switching or adding CROs involves substantial cost and requires management time and focus. In addition, there is
a natural transition period when a new CRO commences work. As a result, delays occur, which can materially impact our
ability to meet our desired clinical development timelines. Though we intend to carefully manage our relationships with our
CROs,  there  can  be  no  assurance  that  we  will  not  encounter  challenges  or  delays  in  the  future  or  that  these  delays  or
challenges will not have a material adverse impact on our business, financial condition and prospects.

We rely on these parties for execution of our preclinical studies and clinical trials, and generally do not control their
activities.  Our  reliance  on  these  third  parties  for  research  and  development  activities  will  reduce  our  control  over  these
activities but will not relieve us of our responsibilities. For example, we will remain responsible for ensuring that each of
our clinical trials is conducted in accordance with the general investigational plan and protocols for the trial. Moreover, the
FDA  requires  us  to  comply  with  standards,  commonly  referred  to  as  good  clinical  practices,  or  GCPs,  for  conducting,
recording and reporting the results of clinical trials to assure that data and reported results are credible and accurate and that
the rights, integrity and confidentiality of trial participants are protected. We also are required to register ongoing clinical
trials  and  post  the  results  of  completed  clinical  trials  on  a  government-sponsored  database,  ClinicalTrials.gov,  within
specified timeframes. Failure to do so can result in fines, adverse publicity and civil and criminal sanctions. If we or any of
our CROs fail to comply with applicable GCPs, the clinical data generated in our clinical trials may be deemed unreliable
and  the  FDA  or  comparable  foreign  regulatory  authorities  may  require  us  to  perform  additional  clinical  trials  before
approving  marketing  applications.  We  cannot  assure  you  that  upon  inspection  by  a  given  regulatory  authority,  such
regulatory authority will determine that any of our clinical trials complies with GCP regulations. In addition, our clinical
trials must be conducted with drug product produced under cGMP regulations. Our failure to comply with these regulations
may  require  us  to  repeat  clinical  trials,  which  would  delay  the  marketing  approval  process  for  our  potential  third-party
partners.

We  also  rely  on  other  third  parties  to  store  and  distribute  drug  supplies  for  our  clinical  trials.  Any  performance
failure  on  the  part  of  our  distributors  could  delay  clinical  development  or  marketing  approval  of  our  drug  candidates  or
commercialization of our drug candidates, if approved, producing additional losses and depriving us of potential revenue.

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We  contract  with  third  parties  for  the  manufacture  and  supply  of  our  drug  candidates  for  preclinical  and
clinical testing. This reliance on third parties increases the risk that we will not have sufficient quantities of our drug
candidates or such quantities at an acceptable cost, which could delay, prevent or impair our development efforts.

We do not have any manufacturing facilities. We currently rely, and expect to continue to rely, on third parties for
the manufacture and supply of our drug candidates for preclinical and clinical testing. This reliance on third parties increases
the risk that we will not have sufficient quantities of our drug candidates at an acceptable cost and/or quality, which could
delay, prevent or impair our ability to timely conduct our clinical trials or our other development efforts.

The  facilities  used  by  our  contract  manufacturers  to  manufacture  our  drug  candidates  must  be  approved  by  the
FDA  or  comparable  foreign  regulatory  authorities  pursuant  to  inspections  that  will  be  conducted  after  the  NDA  or
comparable  marketing  application  is  submitted  to  the  FDA  or  other  regulatory  authority.  We  do  not  have  control  over  a
supplier’s  or  manufacturer’s  compliance  with  laws,  regulations  and  applicable  cGMP  standards  and  other  laws  and
regulations,  such  as  those  related  to  environmental  health  and  safety  matters.  If  our  contract  manufacturers  cannot
successfully manufacture material that conforms to our specifications and the strict regulatory requirements of the FDA or
others, they will not be able to secure and maintain regulatory approval for their manufacturing facilities. In addition, we
have no control over the ability of our contract manufacturers to maintain adequate quality control, quality assurance and
qualified  personnel.  If  the  FDA  or  a  comparable  foreign  regulatory  authority  does  not  approve  these  facilities  for  the
manufacture  of  our  drug  candidates  or  if  it  withdraws  any  such  approval  in  the  future,  we  may  need  to  find  alternative
manufacturing facilities, which could significantly impact our ability to develop, and identify and consummate transactions
with third-party partners to further develop, obtain marketing approval for and/or commercialize, our drug candidates.

We may be unable to establish any agreements with future third-party manufacturers or do so on acceptable terms.
Even  if  we  are  able  to  establish  agreements  with  third-party  manufacturers,  reliance  on  third-party  manufacturers  entails
additional risks, including:

● reliance on the third party for regulatory compliance and quality assurance;
● the possible breach of the manufacturing agreement by the third party;
● the possible misappropriation of our proprietary information, including our trade secrets and know-how;
● the  possible  increase  in  costs  by  our  third-party  suppliers  for  the  active  pharmaceutical  ingredients  for  our

drug candidates; and

● the  possible  termination  or  nonrenewal  of  the  agreement  by  the  third  party  at  a  time  that  is  costly  or

inconvenient for us.

Third-party manufacturers may not be able to comply with cGMP regulations or similar regulatory requirements
outside the United States. Our failure, or the failure of our third-party manufacturers, to comply with applicable regulations
could result in sanctions being imposed on us, including clinical holds, fines, injunctions, civil penalties, delays, suspension
or  withdrawal  of  approvals,  license  revocation,  seizures  or  recalls  of  products,  operating  restrictions  and  criminal
prosecutions, any of which could significantly and adversely affect supplies of our drug candidates. 

Our drug candidates may compete with other products and drug candidates for access to manufacturing facilities.
There  are  a  limited  number  of  manufacturers  that  operate  under  cGMP  regulations  and  that  might  be  capable  of
manufacturing  for  us.  Any  performance  failure  on  the  part  of  our  existing  or  future  manufacturers  could  delay  clinical
development or marketing approval of our drug candidates.

If our current contract manufacturers cannot perform as agreed, we may be required to replace such manufacturers.
We  may  incur  added  costs  and  delays  in  identifying  and  qualifying  any  such  replacement.  We  do  not  currently  have
arrangements in place for redundant supply or a second source for the active pharmaceutical ingredients and/or drug product
for our drug candidates.

We expect to continue to depend on third-party contract manufacturers for the foreseeable future. Our current and
anticipated future dependence upon others for the manufacture of our drug candidates may adversely affect our future profit
margins  and  our  ability  to  pursue  strategic  alternatives,  including  identifying  and  consummating  transactions  with  third-
party partners, to further develop, obtain marketing approval for and/or commercialize our drug candidates on a timely and
competitive basis.

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We  intend  to  pursue  strategic  alternatives,  including  identifying  and  consummating  transactions  with  third-
party  partners,  to  further  develop,  obtain  marketing  approval  for  and/or  commercialize  our  drug  candidates.  If  those
arrangements are not successful, we may not be able to capitalize on the market potential of these drug candidates.

We  intend  to  pursue  strategic  alternatives,  including  identifying  and  consummating  transactions  with  third-party
partners, to further develop, obtain marketing approval for and/or commercialize our drug candidates. Our likely partners for
any  such  arrangements  include  large  and  mid-size  pharmaceutical  companies,  regional  and  national  pharmaceutical
companies and biotechnology companies. If we do enter into any such arrangements with any third parties, we will likely
have  limited  control  over  the  amount  and  timing  of  resources  that  our  partners  dedicate  to  the  development  or
commercialization of our drug candidates. Our ability to earn revenue from these arrangements will depend on our partners’
abilities to successfully perform the functions assigned to them in these arrangements.

Partnerships involving our drug candidates would pose the following risks to us:

● partners  have  significant  discretion  in  determining  the  efforts  and  resources  that  they  will  apply  to  these

arrangements;

● partners may not perform their obligations as expected;
● partners may not pursue development, marketing approval or commercialization of any drug candidates that
achieve  marketing  approval  or  may  elect  not  to  continue  or  renew  development  or  commercialization
programs  based  on  clinical  trial  results,  changes  in  the  partners’  strategic  focus  or  available  funding,  or
external factors, such as an acquisition, that divert resources or create competing priorities;

● partners may delay clinical trials, provide insufficient funding for a clinical trial program, stop a clinical trial
or  abandon  a  drug  candidate,  repeat  or  conduct  new  clinical  trials  or  require  a  new  formulation  of  a  drug
candidate for clinical testing;

● partners  could  independently  develop,  or  develop  with  third  parties,  products  that  compete  directly  or
indirectly  with  our  drug  candidates  if  the  partners  believe  that  competitive  products  are  more  likely  to  be
successfully developed or can be commercialized under terms that are more economically attractive than ours;
● drug candidates discovered in collaboration with us may be viewed by our collaborators as competitive with
their  own  products  or  drug  candidates,  which  may  cause  our  partners  to  cease  to  devote  resources  to  the
development and/or commercialization of our drug candidates, if approved;

● a partner with marketing and distribution rights to one or more of our drug candidates that achieve marketing
approval may not commit sufficient resources to the marketing and distribution of such drug candidates;
● disagreements  with  partners,  including  disagreements  over  proprietary  rights,  contract  interpretation  or  the
preferred  course  of  development  or  commercialization,  might  cause  delays  or  termination  of  the  research,
development  or  commercialization  of  drug  candidates,  might  lead  to  additional  responsibilities  for  us  with
respect to drug candidates, or might result in litigation or arbitration, any of which would be time-consuming
and expensive;

● partners may not properly maintain or defend our or their intellectual property rights or may use our or their
proprietary information in such a way as to invite litigation that could jeopardize or invalidate such intellectual
property or proprietary information or expose us to potential litigation;

● partners may infringe the intellectual property rights of third parties, which may expose us to litigation and

potential liability; and

● partnerships may be terminated for the convenience of the partner and, if terminated, we could be required to
raise  additional  capital  to  pursue  further  development  and/or  commercialization  of  the  applicable  drug
candidates.

Partnership agreements may not lead to development, marketing approval or commercialization of drug candidates
in the most efficient manner or at all. If a present or future partner of ours were to be involved in a business combination, the
continued pursuit and emphasis on our drug development or commercialization program could be delayed, diminished or
terminated. 

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If we are not able to establish partnerships, we may have to alter our development and commercialization plans.

Our drug development programs for our drug candidates will require substantial additional capital. We intend to
partner  with  pharmaceutical  and  biotechnology  companies  for  the  further  development  and/or  commercialization  of  our
drug candidates.

We  face  significant  competition  in  seeking  appropriate  partners.  Whether  we  reach  a  definitive  agreement  for  a
partnership will depend, among other things, upon our assessment of the partner’s resources and expertise, the terms and
conditions  of  the  proposed  arrangement  and  the  proposed  partner’s  evaluation  of  a  number  of  factors.  Those  factors  may
include the design or results of clinical trials, the likelihood of approval by the FDA or similar regulatory authorities outside
the  United  States,  the  potential  market  for  the  subject  drug  candidate,  the  costs  and  complexities  of  manufacturing  and
delivering such drug candidate to patients, the potential of competing products, the existence of uncertainty with respect to
our ownership of technology, which can exist if there is a challenge to such ownership without regard to the merits of the
challenge,  and  industry  and  market  conditions  generally.  The  partner  may  also  consider  alternative  drug  candidates  or
technologies  for  similar  indications  that  may  be  available  to  partner  on  and  whether  such  a  partnership  could  be  more
attractive  than  the  one  with  us  for  our  drug  candidate.  Partnerships  are  complex  and  time-consuming  to  negotiate  and
document. In addition, there have been a significant number of recent business combinations among large pharmaceutical
companies that have resulted in a reduced number of potential future partners.

We may not be able to negotiate partnerships on a timely basis, on acceptable terms, or at all. If we are unable to do
so, we may have to curtail the development of such drug candidate, or reduce or delay its development program or one or
more  of  our  other  development  programs,  or  increase  our  expenditures  and  undertake  development  or  commercialization
activities at our own expense. If we elect to increase our expenditures to fund development or commercialization activities
on our own, we may need to obtain additional capital, which may not be available to us on acceptable terms or at all. If we
do  not  have  sufficient  funds,  we  may  not  be  able  to  further  develop  our  drug  candidates  or  bring  them  to  market  and
generate revenue.

We  may  not  have  access  to  all  information  regarding  our  drug  candidates  that  are  subject  to  partnership
agreements. Consequently, our ability to inform our stockholders about the status of our drug candidates that are subject
to these agreements, and our ability to make business and operational decisions, may be limited.

We may not have access to all information regarding our drug candidates that may become subject to agreements with
partners,  including  potentially  material  information  about  clinical  trial  design,  execution  and  timing,  safety  and  efficacy,
clinical trial results, regulatory affairs, manufacturing, marketing, sales and other areas known by our potential partners. In
addition, we may have confidentiality obligations under our agreements with such partners. Therefore, our ability to keep
our stockholders informed about the status of our drug candidates will be limited by the degree to which our partners keep
us  informed  and  by  the  degree  to  which  our  partners  allow  us  to  disclose  information  to  the  public  or  provide  such
information to the public themselves. If our partners do not timely inform us about the status of our drug candidates that are
the  subject  of  the  partnership,  we  may  make  operational  and  investment  decisions  that  we  would  not  have  made  had  we
been  fully  informed,  which  may  have  an  adverse  impact  on  our  business,  prospects,  financial  condition  and  results  of
operations.

Our sublease could terminate if the master lease is terminated for any reason, thus terminating our rights to our

corporate headquarters.

We sublease space for our corporate headquarters.  While the term of the sublease extends until October 2023, if
for  any  reason  the  master  lease  is  terminated  or  expires  prior  to  October  2023,  our  sublease  will  also  automatically
terminate.  In such an event, we would need to obtain a new direct lease with the master landlord or negotiate and enter into
a new lease for office space at a different location, which we may not be able to do on commercially reasonable terms, if at
all.

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Risks Related to Our Intellectual Property

If we are unable to obtain and maintain patent protection for our drug candidates, or if the scope of the patent
protection  obtained  is  not  sufficiently  broad,  our  competitors  could  develop  and  commercialize  technology  and  drugs
similar  or  identical  to  ours,  and  ability  to  successfully  identify  a  potential  third-party  partner  to  commercialize  our
technology and drug candidates may be impaired.

Our success depends in large part on our ability to obtain and maintain patent protection in the United States and
other countries with respect to our drug candidates. We seek to protect our proprietary position by filing patent applications
in the United States and abroad related to our drug candidates. 

The  patent  prosecution  process  is  expensive  and  time-consuming,  however,  and  we  may  not  be  able  to  file  and
prosecute all necessary or desirable patent applications at a reasonable cost or in a timely manner. It is also possible that we
will fail to identify patentable aspects of our development output before it is too late to obtain patent protection. We may not
have the right to control the preparation, filing and prosecution of patent applications, or to maintain the rights to patents
licensed  to  third  parties.  Therefore,  these  patents  and  applications  may  not  be  prosecuted  and  enforced  in  a  manner
consistent with the best interests of our business.

The  patent  position  of  biotechnology  and  pharmaceutical  companies  generally  is  highly  uncertain,  involves
complex  legal  and  factual  questions  and  has  in  recent  years  been  the  subject  of  much  litigation.  In  addition,  the  laws  of
foreign countries may not protect our rights to the same extent as the laws of the United States or vice versa. For example,
European  patent  law  restricts  the  patentability  of  methods  of  treatment  of  the  human  body  more  than  U.S.  law  does.
Publications of discoveries in the scientific literature often lag behind the actual discoveries, and patent applications in the
United  States  and  other  jurisdictions  are  typically  not  published  until  18  months  after  filing,  or  in  some  cases  not  at  all.
Therefore, we cannot know with certainty whether we or our licensors were the first to make the inventions claimed in our
patents  or  pending  patent  applications,  or  that  we  or  our  licensors  were  the  first  to  file  for  patent  protection  of  such
inventions.  As  a  result,  the  issuance,  scope,  validity,  enforceability  and  commercial  value  of  our  patent  rights  are  highly
uncertain. Our pending and future patent applications may not result in patents being issued that protect our technology or
drug candidates, in whole or in part, or which effectively prevent others from commercializing competitive technologies and
drug  candidates.  Changes  in  either  the  patent  laws  or  interpretation  of  the  patent  laws  in  the  United  States  and  other
countries may diminish the value of our patents or narrow the scope of our patent protection.

Moreover, we may be subject to a third-party preissuance submission of prior art to the U.S. Patent and Trademark
Office, or USPTO, or become involved in opposition, derivation, reexamination, inter partes review, post-grant review or
interference proceedings challenging our patent rights or the patent rights of others. An adverse determination in any such
submission,  proceeding  or  litigation  could  reduce  the  scope  of,  or  invalidate,  our  patent  rights,  allow  third  parties  to
commercialize  our  technology  or  drug  candidates  and  compete  directly  with  us,  without  payment  to  us,  or  result  in  the
inability of our potential third-party partners to manufacture or commercialize our drug candidates without infringing third-
party patent rights. In addition, if the breadth or strength of protection provided by our patents and patent applications that
we  own  or  license  is  threatened,  it  could  dissuade  companies  from  partnering  with  us  to  license,  develop  and/or
commercialize our drug candidates. 

Even  if  our  patent  applications  that  we  own  or  license  issue  as  patents,  they  may  not  issue  in  a  form  that  will
provide us with any meaningful protection, prevent competitors from competing with us or our potential third-party partners
or otherwise provide us or our potential third-party partners with any competitive advantage. Competitors may be able to
circumvent our patents by developing similar or alternative technologies or drugs in a non-infringing manner.

In addition, the issuance of a patent is not conclusive as to its inventorship, scope, validity or enforceability, and
our patents may be challenged in the courts or patent offices in the United States and abroad. Such challenges may result in
loss of exclusivity or freedom to operate or in patent claims being narrowed, invalidated or held unenforceable, in whole or
in part, which could limit the ability to stop others from using or commercializing similar or identical technology and drug
candidates,  or  limit  the  duration  of  the  patent  protection  of  our  technology  and  drug  candidates.  Our  issued  U.S.  patents
covering zunsemetinib expire in 2034. We currently do not have any patents issued directed to ATI-2231, but any claims
that  may  issue  would  expire  in  2040.  Our  issued  U.S.  patent  covering  ATI-1777  expires  in  2038.  Our  issued  U.S.  patent
directed to ATI-2138 expires in 2039. Given the amount of time required for the development, testing and regulatory review
of new drug candidates, patents protecting such candidates might expire before or shortly after such candidates are

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commercialized.  As  a  result,  our  patent  portfolio  may  not  provide  us  or  our  potential  third-party  partners  with  sufficient
rights to exclude others from commercializing drugs similar or identical to ours.

We may become involved in lawsuits to protect or enforce our patents or other intellectual property, which could
be expensive, time-consuming and unsuccessful. Further, our issued patents could be found invalid or unenforceable if
challenged in court.

Competitors  may  infringe  our  issued  patents  or  other  intellectual  property.  Our  pending  applications  cannot  be
enforced against third parties practicing the technology claimed in such applications unless and until a patent issues from
such applications. To counter infringement or unauthorized use, we may be required to file infringement claims, which can
be expensive and time-consuming. Any claims we assert against perceived infringers could provoke these parties to assert
counterclaims against us alleging that we infringe their patents or that our patents are invalid or unenforceable. Grounds for
a  validity  challenge  could  be  an  alleged  failure  to  meet  any  of  several  statutory  requirements,  including  lack  of  novelty,
obviousness,  non-enablement  or  insufficient  written  description.  Grounds  for  an  unenforceability  assertion  could  be  an
allegation that someone connected with prosecution of the patent withheld relevant information from the USPTO or made a
misleading  statement  during  prosecution.  Third  parties  may  also  raise  similar  claims  before  the  USPTO,  in  post-grant
proceedings  such  as  ex  parte  reexaminations,  inter  partes  review,  or  post-grant  review,  or  oppositions  or  similar
administrative proceedings outside the United States, in parallel with litigation or, even outside the context of litigation. The
outcome following legal assertions of invalidity and unenforceability is unpredictable. With respect to the validity question,
for example, we cannot be certain that there is no invalidating prior art of which we and the patent examiner were unaware
during prosecution. If a defendant were to prevail on a legal assertion of invalidity or unenforceability, we would lose at
least part, and perhaps all, of the patent protection on our drug candidates. Such a loss of patent protection would harm our
business. 

In such a proceeding, a court or administrative board may decide that a patent of ours is invalid or unenforceable,
in whole or in part, construe the patent’s claims narrowly or refuse to stop the other party from using the technology at issue
on the grounds that our patents do not cover the technology. An adverse result in any such proceeding could put one or more
of our patents at risk of being invalidated or interpreted narrowly. We may find it impractical or undesirable to enforce our
intellectual property against some third parties. 

Interference proceedings provoked by third parties or brought by us or declared by the USPTO may be necessary to
determine the priority of inventions with respect to our patents or patent applications. An unfavorable outcome could require
us to cease using the related technology or to attempt to license rights to it from the prevailing party. Our business could be
harmed if the prevailing party does not offer us a license on commercially reasonable terms. 

Furthermore,  because  of  the  substantial  amount  of  discovery  required  in  connection  with  intellectual  property
litigation, there is a risk that some of our confidential information could be compromised by disclosure during this type of
litigation.

We may not be able to protect our intellectual property rights throughout the world.

Filing, prosecuting and defending patents on our drug candidates in all countries throughout the world would be
prohibitively  expensive,  and  our  intellectual  property  rights  in  some  countries  outside  the  United  States  can  be  less
extensive than those in the United States. For example, zunsemetinib is currently covered by patents and applications in the
United States, European Union and other foreign markets. While we have issued U.S. patents directed to ATI-1777 and ATI-
2138, we do not currently have any patents for such drug candidates in the European Union or other foreign markets; rather,
we have pending applications in the European Union and other foreign markets directed to each of ATI-1777 and ATI-2138.
Currently, we do not have any issued patents directed to ATI-2231, but we have a pending PCT application.

Many companies have encountered significant problems in protecting and defending intellectual property rights in
foreign  jurisdictions.  The  legal  systems  of  some  countries  do  not  favor  the  enforcement  of  patents  and  other  intellectual
property protection, which could make it difficult for us to stop the infringement of our patents generally. Proceedings to
enforce our patent rights in foreign jurisdictions could result in substantial costs and divert our efforts and attention from
other  aspects  of  our  business,  could  put  our  patents  at  risk  of  being  invalidated  or  interpreted  narrowly  and  our  patent
applications  at  risk  of  not  issuing  and  could  provoke  third  parties  to  assert  claims  against  us.  We  may  not  prevail  in  any
lawsuits that we initiate, and the damages or other remedies awarded, if any, may not be commercially meaningful. 

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Many  countries,  including  European  Union  countries,  India,  Japan  and  China,  have  compulsory  licensing  laws
under  which  a  patent  owner  may  be  compelled  under  specified  circumstances  to  grant  licenses  to  third  parties.  In  those
countries, we may have limited remedies if patents are infringed or if we are compelled to grant a license to a third party,
which  could  materially  diminish  the  value  of  those  patents.  This  could  limit  our  ability  to  pursue  strategic  alternatives,
including  identifying  and  consummating  transactions  with  potential  third-party  partners,  to  further  develop,  obtain
marketing  approval  for  and/or  commercialize  our  drug  candidates,  and  consequently  our  potential  revenue  opportunities.
Accordingly,  our  efforts  to  enforce  our  intellectual  property  rights  around  the  world  may  be  inadequate  to  obtain  a
significant commercial advantage from the intellectual property that we develop or license.

We may need to license intellectual property from third parties, and such licenses may not be available or may

not be available on commercially reasonable terms.

A  third  party  may  hold  intellectual  property,  including  patent  rights,  that  are  important  or  necessary  to  the
development  and/or  commercialization  of  our  drug  candidates.  It  may  be  necessary  for  us  or  our  potential  third-party
partners  to  use  the  patented  or  proprietary  technology  of  third  parties  to  further  develop  and/or  commercialize  our  drug
candidates.  If  we  or  our  potential  third-party  partners  are  not  able  to  obtain  a  license  from  these  third  parties  on
commercially reasonable terms, our business could be harmed, possibly materially, and even if we or they are able to, it may
result in the reduction of revenue we earn from such partner as a result of payment obligations to the licensor. 

Third parties may initiate legal proceedings alleging that we are infringing their intellectual property rights, the

outcome of which would be uncertain and could have a material adverse effect on the success of our business.

Our  success  depends  upon  our  ability  to  pursue  strategic  alternatives,  including  identifying  and  consummating
transactions  with  potential  third-party  partners,  to  develop,  obtain  marketing  approval  for  and/or  commercialize  our  drug
candidates and earn revenue from those partnerships, and for our proprietary technologies to be used without infringing the
proprietary  rights  of  third  parties.  There  is  considerable  intellectual  property  litigation  in  the  biotechnology  and
pharmaceutical  industries.  We  may  become  party  to,  or  threatened  with,  future  adversarial  proceedings  or  litigation
regarding  intellectual  property  rights  with  respect  to  our  drug  candidates  and  technologies,  including  interference  or
derivation  proceedings  before  the  USPTO.  Numerous  U.S.  and  foreign  issued  patents  and  pending  patent  applications
owned  by  third  parties  exist  in  the  fields  in  which  we  are  developing  our  drug  candidates.  Third  parties  may  assert
infringement claims against us based on existing patents or patents that may be granted in the future.

If  we  or  our  potential  third-party  partners  are  found  to  infringe  a  third  party’s  intellectual  property  rights,  we  or
such partners could be required to obtain a license from such third party to continue developing or commercializing our drug
candidates and technology. However, we or our potential third-party partners may not be able to obtain any required license
on commercially reasonable terms or at all. Even if we or our potential third-party partner were able to obtain a license, it
could  be  non-exclusive,  thereby  giving  competitors  access  to  the  same  technologies  licensed  to  us  or  our  partner.
Consequently,  we  or  our  potential  third-party  partner  could  be  forced,  including  by  court  order,  to  cease  developing  or
commercializing the infringing technology or drug candidate. In addition, we or our potential third-party partner could be
found liable for monetary damages, including treble damages and attorneys’ fees if we or such partner are found to have
willfully infringed a patent. A finding of infringement could prevent our potential third-party partners from commercializing
our  drug  candidates,  if  approved,  or  force  such  partners  to  cease  some  of  their  business  operations.  In  the  event  of  a
successful claim of infringement against us or our potential third-party partners, we or our potential third-party partners may
have  to  pay  substantial  damages,  including  treble  damages  and  attorneys’  fees  for  willful  infringement,  pay  royalties,
redesign our infringing drug candidate or obtain one or more licenses from third parties, which may be impossible or require
substantial  time  and  monetary  expenditure.  Claims  that  we  have  misappropriated  the  confidential  information  or  trade
secrets of third parties could have a similar negative impact on our business.

We  may  be  subject  to  claims  by  third  parties  asserting  that  we,  our  employees  or  our  licensors  have

misappropriated their intellectual property, or claiming ownership of what we regard as our own intellectual property.

Many  of  our  employees  and  our  licensors’  employees  were  previously  employed  at  other  biotechnology  or
pharmaceutical companies. Although we and our licensors try to ensure that our employees and our licensors’ employees do
not use the proprietary information or know-how of others in their work for us, we or our licensors may be subject to claims
that these employees, our licensors or we have used or disclosed intellectual property, including trade secrets or

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other proprietary information, of any such employee’s former employer. Litigation may be necessary to defend against these
claims. 

In  addition,  while  it  is  our  policy  to  require  our  employees  and  contractors  who  may  be  involved  in  the
development  of  intellectual  property  to  execute  agreements  assigning  such  intellectual  property  to  us,  we  may  be
unsuccessful in executing such an agreement with each party who in fact develops intellectual property that we regard as our
own. Our and their assignment agreements may not be self-executing or may be breached, and we may be forced to bring
claims against third parties, or defend claims they may bring against us, to determine the ownership of what we regard as
our intellectual property.

If we or our licensors fail in prosecuting or defending any such claims, in addition to paying monetary damages, we
may lose valuable intellectual property rights or personnel. Even if we and our licensors are successful in prosecuting or
defending against such claims, litigation could result in substantial costs and be a distraction to management. 

Intellectual  property  litigation  could  cause  us  to  spend  substantial  resources  and  distract  our  personnel  from

their normal responsibilities.

Even if resolved in our favor, litigation or other legal proceedings relating to intellectual property claims may cause
us  to  incur  significant  expenses,  and  could  distract  our  technical  and  management  personnel  from  their  normal
responsibilities.  In  addition,  there  could  be  public  announcements  of  the  results  of  hearings,  motions  or  other  interim
proceedings  or  developments  and  if  securities  analysts  or  investors  perceive  these  results  to  be  negative,  it  could  have  a
substantial adverse effect on the price of our common stock. Such litigation or proceedings could substantially increase our
operating losses and reduce the resources available for development activities. We may not have sufficient financial or other
resources to conduct such litigation or proceedings adequately. Some of our competitors may be able to sustain the costs of
such  litigation  or  proceedings  more  effectively  than  we  can  because  of  their  greater  financial  resources.  Some  of  our
competitors are larger than we are and have substantially greater resources. They are, therefore, likely to be able to sustain
the costs of complex patent litigation longer than we could. Accordingly, despite our efforts, we may not be able to prevent
third parties from infringing upon or misappropriating our intellectual property. Litigation could result in substantial costs
and  diversion  of  management  resources,  which  could  harm  our  business.  In  addition,  the  uncertainties  associated  with
litigation could compromise our ability to compete in the marketplace, including compromising our ability to raise the funds
necessary to continue our clinical trials, continue our internal research programs, or pursue strategic alternatives, including
identifying  and  consummating  transactions  with  third-party  partners,  to  further  develop,  obtain  marketing  approval  for
and/or commercialize our drug candidates.

If we are unable to protect the confidentiality of our trade secrets, our business and competitive position would

be harmed.

In  addition  to  seeking  and  maintaining  patents  for  our  drug  candidates,  we  also  rely  on  trade  secrets,  including
unpatented  know-how,  technology  and  other  proprietary  information,  to  maintain  our  competitive  position.  We  seek  to
protect  our  trade  secrets,  in  part,  by  entering  into  non-disclosure  and  confidentiality  agreements  with  parties  who  have
access  to  them,  such  as  our  employees,  corporate  collaborators,  outside  scientific  collaborators,  contract  manufacturers,
consultants,  advisors  and  other  third  parties.  We  also  enter  into  confidentiality  and  invention  or  patent  assignment
agreements with our employees and consultants. Despite these efforts, any of these parties may breach the agreements and
disclose our proprietary information, including our trade secrets, and we may not be able to obtain adequate remedies for
such breaches. Enforcing a claim that a party illegally disclosed or misappropriated a trade secret is difficult, expensive and
time-consuming,  and  the  outcome  is  unpredictable.  In  addition,  some  courts  inside  and  outside  the  United  States  are  less
willing  or  unwilling  to  protect  trade  secrets.  If  any  of  our  trade  secrets  were  to  be  lawfully  obtained  or  independently
developed by a competitor, we would have no right to prevent them, or those to whom they communicate it, from using that
technology or information to compete with us. If any of our trade secrets were to be disclosed to or independently developed
by a competitor, our competitive position would be harmed. 

The  validity,  scope  and  enforceability  of  any  of  our  patents  that  cover  any  of  our  drug  candidates  can  be

challenged by competitors.

If any of our drug candidates advance through development or are approved by the FDA, one or more third parties
may  challenge  the  current  patents,  or  patents  that  may  issue  in  the  future,  within  our  portfolio  covering  these  drug
candidates. The challenge may come in the form of a patent office proceeding, such as an inter partes review challenging

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the  validity  of  the  patents,  or  a  district  court  proceeding  such  as  a  paragraph  IV  litigation  arising  out  of  the  filing  of  an
ANDA. Litigation or other proceedings to enforce or defend intellectual property rights are often very complex in nature,
may be expensive and time-consuming, may divert our management's attention from our core business, and may result in
unfavorable  results  that  could  limit  our  ability  to  prevent  third  parties  from  competing  with  our  drug  candidates,  if
approved. Any such challenge could result in the invalidation of, or render unenforceable, some or all of the relevant patent
claims or a finding of non-infringement, which would harm our ability to pursue strategic alternatives, including identifying
and  consummating  transactions  with  third-party  partners,  to  further  develop,  obtain  marketing  approval  for  and/or
commercialize  our  drug  candidates,  and  earn  revenue  from  such  arrangements.  In  addition,  any  such  challenge  on  any
divested product could harm our ability to earn revenue from the arrangements for such product. 

If we do not obtain protection under the Hatch-Waxman Act by extending the patent term and obtaining data

exclusivity for our drug candidates, our business may be materially harmed.

Our success will largely depend on our ability to obtain and maintain patent and other intellectual property in the
United States and other countries with respect to our proprietary technology, drug candidates and our target indications.  Our
issued  U.S.  patents  covering  zunsemetinib  expire  in  2034.  We  currently  do  not  have  any  patents  issued  directed  to  ATI-
2231, but any claims that may issue would expire in 2040. Our issued U.S. patent covering ATI-1777 expires in 2038. Our
issued U.S. patent directed to ATI-2138 expires in 2039. Given the amount of time required for the development, testing and
regulatory review of new drug candidates, patents protecting our drug candidates might expire before or shortly after such
candidates begin to be commercialized. We expect to seek extensions of patent terms in the United States and, if available,
in other countries where we are prosecuting patents.

Depending upon the timing, duration and specifics of FDA marketing approval of our drug candidates, one or more
of our U.S. patents may be eligible for limited patent term extension under The Drug Price Competition and Patent Term
Restoration  Act  of  1984,  or  the  Hatch-Waxman  Act,  for  a  drug  candidate.  The  Hatch-Waxman  Act  permits  a  patent
extension term of up to five years beyond the normal expiration of the patent as compensation for patent term lost during
development  and  the  FDA  regulatory  review  process,  which  is  limited  to  the  approved  indication  (or  any  additional
indications  approved  during  the  period  of  extension).  However,  the  total  patent  term  including  the  period  of  extension
cannot  exceed  14  years  from  the  product’s  approval  date.    Furthermore,  this  extension  is  limited  to  only  one  patent  per
regulatory review period that covers the approved product. However, the applicable authorities, including the FDA and the
USPTO in the United States, and any equivalent regulatory authority in other countries, may not agree with our assessment
of  whether  such  extensions  are  available,  and  may  refuse  to  grant  extensions  to  our  patents,  or  may  grant  more  limited
extensions than we request. We may not be granted an extension because of, for example, failing to apply within applicable
deadlines,  failing  to  apply  prior  to  expiration  of  relevant  patents  or  otherwise  failing  to  satisfy  applicable  requirements.
Moreover, the applicable time period or the scope of patent protection afforded could be less than we request.

If we are unable to extend the expiration date of our existing patents or obtain new patents with longer expiry dates,
our  competitors  may  be  able  to  take  advantage  of  our  investment  in  development  and  clinical  trials  by  referencing  our
clinical  and  preclinical  data  to  obtain  approval  of  competing  products  following  our  patent  expiration  and  launch  their
product earlier than might otherwise be the case.

Any trademarks we have obtained or may obtain may be infringed or successfully challenged, resulting in harm

to our business.

We expect to rely on trademarks as one means to distinguish our products, services or technologies from those of
our  competitors.  Once  we  select  new  trademarks  and  apply  to  register  them,  our  trademark  applications  may  not  be
approved. Third parties may oppose or attempt to cancel our trademark applications or trademarks, or otherwise challenge
our use of the trademarks. In such an event, we may need to negotiate a settlement agreement with such third party over the
use of our trademarks, which we may not be able to do on commercially reasonable terms, if at all. In the event that our
trademarks are successfully challenged, our products, services or technologies may need to be rebranded, which could result
in  loss  of  brand  recognition  and  could  require  us  to  devote  resources  to  advertising  and  marketing  new  brands.  Our
competitors may infringe our trademarks and we may not have adequate resources to enforce our trademarks.

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Outside  of  the  United  States  we  cannot  be  certain  that  any  country’s  patent  or  trademark  office  will  not
implement  new  rules  that  could  seriously  affect  how  we  draft,  file,  prosecute  and  maintain  patents,  trademarks  and
patent and trademark applications.

We cannot be certain that the patent or trademark offices of countries outside the United States will not implement
new rules that increase costs for drafting, filing, prosecuting and maintaining patents, trademarks and patent and trademark
applications or that any such new rules will not restrict our ability to file for patent or trademark protection. For example, we
may elect not to seek patent protection in some jurisdictions or for some drug candidates in order to save costs. We may be
forced to abandon or return the rights to specific patents due to a lack of financial resources.

Intellectual property rights do not necessarily address all potential threats to our competitive advantage.

The  degree  of  future  protection  afforded  by  our  intellectual  property  rights  is  uncertain  because  intellectual
property  rights  have  limitations,  and  may  not  adequately  protect  our  business,  or  permit  us  to  maintain  our  competitive
advantage. The following examples are illustrative:

● we,  our  licensors  or  any  potential  third-party  partners  might  not  have  been  the  first  to  make  the  inventions

covered by the issued patents or pending patent applications that we own;

● we, our licensors or any potential third-party partners might not have been the first to file patent applications

covering certain of our inventions;

● others  may  independently  develop  similar  or  alternative  technologies  or  duplicate  any  of  our  technologies

without infringing our intellectual property rights;

● it is possible that our pending patent applications will not lead to issued patents;
● issued patents that we own or exclusively license may not provide us with any competitive advantages, or may

be held invalid or unenforceable as a result of legal challenges;

● our  competitors  might  conduct  research  and  development  activities  in  the  United  States  and  other  countries
that provide a safe harbor from patent infringement claims for certain research and development activities, as
well  as  in  countries  where  we  do  not  have  patent  rights,  and  then  use  the  information  learned  from  such
activities to develop competitive products for sale in major commercial markets; and

● we may develop additional proprietary technologies that are not patentable.

Risks Related to Regulatory Approval of Our Drug Candidates and Other Legal Compliance Matters

If  our  potential  third-party  partners  are  not  able  to  obtain,  or  if  there  are  delays  in  obtaining,  required
regulatory approvals, our drug candidates will not be able to be commercialized, and our ability to earn revenue from
arrangements with such third-party partners will be materially impaired.

Our  drug  candidates  and  the  activities  associated  with  their  development  and  commercialization,  including  their
design,  testing,  manufacture,  safety,  efficacy,  recordkeeping,  labeling,  storage,  approval,  advertising,  promotion,  sale  and
distribution, are subject to comprehensive regulation by the FDA, other regulatory agencies in the United States and similar
regulatory authorities outside the United States. Failure to obtain marketing approval for a drug candidate will prevent our
potential  third-party  partners  from  commercializing  the  drug  candidate.  We  have  only  limited  experience  in  filing  and
supporting the applications necessary to gain marketing approvals. Securing marketing approval requires the submission of
extensive preclinical and clinical data and supporting information to regulatory authorities for each therapeutic indication to
establish the drug candidate’s safety and efficacy. Securing marketing approval also requires the submission of information
about the drug manufacturing process to, and inspection of manufacturing facilities by, the regulatory authorities. Our drug
candidates  may  not  be  effective,  may  be  only  moderately  effective  or  may  prove  to  have  undesirable  or  unintended  side
effects,  toxicities  or  other  characteristics  that  may  preclude  our  potential  third-party  partners  from  obtaining  marketing
approval or prevent or limit commercial use. If any of our drug candidates receive marketing approval, the accompanying
label may limit the approved use of our product in this way, which could limit sales of the product. 

The  process  of  obtaining  marketing  approvals,  both  in  the  United  States  and  abroad,  is  expensive  and  may  take
many years if additional clinical trials are required, if approval is obtained at all, and can vary substantially based upon a
variety  of  factors,  including  the  type,  complexity  and  novelty  of  the  drug  candidates  involved.  Changes  in  marketing
approval  policies  during  the  development  period,  changes  in  or  the  enactment  of  additional  statutes  or  regulations,  or
changes in regulatory review for each submitted drug application, may cause delays in the approval or rejection of an

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application.  Regulatory  authorities  have  substantial  discretion  in  the  approval  process  and  may  refuse  to  accept  any
application  or  may  decide  that  our  data  is  insufficient  for  approval  and  require  additional  preclinical,  clinical  or  other
studies.  In  addition,  varying  interpretations  of  the  data  obtained  from  preclinical  and  clinical  testing  could  delay,  limit  or
prevent marketing approval of a drug candidate. Any marketing approval our potential third-party partners ultimately obtain
may  be  limited  or  subject  to  restrictions  or  post-approval  commitments  that  render  the  approved  drug  not  commercially
viable.

If our potential third-party partners experience delays in obtaining approval or if they fail to obtain approval of our
drug  candidates,  the  commercial  prospects  for  our  drug  candidates  may  be  harmed  and  our  ability  to  earn  revenue  from
arrangements with such third-party partners will be materially impaired.

Failure  to  obtain  marketing  approval  in  international  jurisdictions  would  prevent  our  drug  candidates  from

being marketed abroad.

In order to market and sell our drugs in the European Union and any other jurisdictions outside the United States,
our  potential  third-party  partners  must  obtain  separate  marketing  approvals  and  comply  with  numerous  and  varying
regulatory  requirements.  The  approval  procedure  varies  among  countries  and  can  involve  additional  testing.  The  time
required  to  obtain  approval  may  differ  substantially  from  that  required  to  obtain  FDA  approval.  The  regulatory  approval
process outside the United States generally includes all of the risks associated with obtaining FDA approval. In addition, in
many countries outside the United States, it is required that the drug be approved for reimbursement before the drug can be
approved  for  sale  in  that  country.  Our  potential  third-party  partners  may  not  obtain  approvals  from  regulatory  authorities
outside the United States on a timely basis, if at all. Approval by the FDA does not ensure approval by regulatory authorities
in  other  countries  or  jurisdictions,  and  approval  by  one  regulatory  authority  outside  the  United  States  does  not  ensure
approval by regulatory authorities in other countries or jurisdictions or by the FDA. However, failure to obtain approval in
one jurisdiction may impact our potential third-party partners’ ability to obtain approval elsewhere. Our potential third-party
partners may not be able to file for marketing approvals and may not receive necessary approvals to commercialize our drug
candidates in any market.

A  variety  of  risks  associated  with  marketing  our  drug  candidates  by  our  potential  third-party  partners

internationally could harm our business.

If our drug candidates, if approved, are marketed internationally by our potential third-party partners, our potential

third-party partners would be subject to additional risks related to operating in foreign countries, including:

● differing regulatory requirements in foreign countries;
● the potential for so-called parallel importing, which is what happens when a local seller, faced with high or
higher local prices, opts to import goods from a foreign market (with low or lower prices) rather than buying
them locally;

● unexpected changes in tariffs, trade barriers, price and exchange controls and other regulatory requirements;
● economic weakness, including inflation, or political instability in particular foreign economies and markets;
● foreign reimbursement, pricing and insurance regimes;
● compliance with tax, employment, immigration and labor laws for employees living or traveling abroad;
● foreign taxes, including withholding of payroll taxes;
● foreign  currency  fluctuations,  which  could  result  in  increased  operating  expenses  and  reduced  revenue,  and

other obligations incident to doing business in another country;

● difficulties staffing and managing foreign operations;
● workforce uncertainty in countries where labor unrest is more common than in the United States;
● potential  liability  under  the  U.S.  Foreign  Corrupt  Practices  Act  of  1977,  as  amended,  or  the  FCPA,  or

comparable foreign regulations;

● challenges enforcing contractual and intellectual property rights, especially in those foreign countries that do

not respect and protect intellectual property rights to the same extent as the United States;

● production  shortages  resulting  from  any  events  affecting  raw  material  supply  or  manufacturing  capabilities

abroad;

● logistical challenges resulting from distributing our drug candidates to foreign countries; and
● business interruptions resulting from geo-political actions, including war and terrorism.

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These and other risks associated with international operations may compromise our ability to earn revenue from

arrangements with potential third-party partners for our drug candidates.

Any drug candidate for which our potential third-party partners obtain marketing approval could be subject to
post-marketing  restrictions  or  recall  or  withdrawal  from  the  market,  and  our  potential  third-party  partners  may  be
subject to penalties if they fail to comply with regulatory requirements or if they experience unanticipated problems with
our drug candidates, when and if any of them are approved.

Any  drug  candidate  for  which  our  potential  third-party  partners  obtain  marketing  approval,  along  with  the
manufacturing  processes,  post-approval  clinical  data,  labeling,  advertising  and  promotional  activities  for  such  drug
candidate,  will  be  subject  to  continual  requirements  of  and  review  by  the  FDA  and  other  regulatory  authorities.  These
requirements  include  submissions  of  safety  and  other  post-marketing  information  and  reports,  registration  and  listing
requirements,  cGMP  requirements  relating  to  manufacturing,  quality  control,  quality  assurance  and  corresponding
maintenance of records and documents, requirements regarding the distribution of samples to physicians and recordkeeping.
Even if marketing approval of a drug candidate is granted, the approval may be subject to limitations on the indicated uses
for which the drug candidate may be marketed or to the conditions of approval, including the requirement to implement a
risk evaluation and mitigation strategy. If any of our drug candidates receives marketing approval, the accompanying label
may limit the approved use of our drug, which could limit sales of the drug by our potential third-party partners.

The  FDA  may  also  impose  requirements  for  costly  post-marketing  studies  or  clinical  trials  and  surveillance  to
monitor the safety or efficacy of the drug. The FDA closely regulates the post-approval marketing and promotion of drugs to
ensure drugs are marketed only for the approved indications and in accordance with the provisions of the approved labeling.
The FDA imposes stringent restrictions on manufacturers’ communications regarding off-label use and if our potential third-
party partners do not market our drugs for their approved indications, they may be subject to enforcement action for off-
label  marketing.  Physicians,  on  the  other  hand,  may  prescribe  products  for  off-label  uses.  Although  the  FDA  and  other
regulatory  agencies  do  not  regulate  a  physician’s  choice  of  drug  treatment  made  in  the  physician’s  independent  medical
judgment, they do restrict promotional communications from companies or their sales force with respect to off-label uses of
products  for  which  marketing  clearance  has  not  been  issued.  However,  companies  may  share  truthful  and  not  misleading
information that is otherwise consistent with the product’s FDA approved labeling. Violations of the FDCA relating to the
promotion  of  prescription  drugs  may  lead  to  investigations  alleging  violations  of  federal  and  state  health  care  fraud  and
abuse laws, as well as state consumer protection laws.

In addition, later discovery of previously unknown adverse events or other problems with our drugs, manufacturers
or manufacturing processes, or failure to comply with regulatory requirements, may have negative consequences, including:

● restrictions on such drugs, manufacturers or manufacturing processes;
● restrictions on the labeling or marketing of a drug;
● restrictions on drug distribution or use;
● requirements to conduct post-marketing studies or clinical trials;
● warning letters;
● recall or withdrawal of the drugs from the market;
● refusal to approve pending applications or supplements to approved applications;
● clinical holds;
● fines, restitution or disgorgement of profits or revenue;
● suspension or withdrawal of marketing approvals;
● refusal to permit the import or export of our drugs;
● drug seizure; or
● injunctions or the imposition of civil or criminal penalties.

Non-compliance with the European Union’s requirements regarding safety monitoring or pharmacovigilance, and
with requirements related to the development of drugs for the pediatric population, can also result in significant financial
penalties.  Similarly,  failure  to  comply  with  the  European  Union’s  requirements  regarding  the  protection  of  personal
information can also lead to significant penalties and sanctions. These and other risks associated with the failure by our

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potential  third-party  partners  to  comply  with  regulatory  requirements  may  compromise  our  ability  to  earn  revenue  from
arrangements with such third-party partners for our drug candidates.

Our  potential  third-party  partners’  relationships  with  third-party  payors,  health  care  professionals  and
customers in the United States and elsewhere may be subject, directly or indirectly, to applicable anti-kickback, fraud and
abuse, false claims, physician payment transparency, health information privacy and security and other health care laws
and regulations, and any failure to comply with such laws and regulations could have a material adverse effect on our
ability to earn revenue from arrangements with such third-party partners for our drug candidates.

Health care providers, physicians and third-party payors in the United States and elsewhere will play a primary role
in  the  recommendation  and  prescription  of  any  of  our  drug  candidates  for  which  marketing  approval  is  obtained.  Our
potential  third-party  partners’  arrangements  with  third-party  payors,  health  care  professionals  and  customers  may  expose
them  to  broadly  applicable  fraud  and  abuse  and  other  health  care  laws  and  regulations,  including,  without  limitation,  the
federal  Anti-Kickback  Statute  and  the  federal  civil  False  Claims  Act,  that  may  constrain  the  business  or  financial
arrangements  and  relationships  through  which  they  sell,  market  and  distribute  any  drug  candidates  for  which  marketing
approval is obtained. In addition, we and our potential third-party partners may be subject to transparency laws and patient
privacy regulation by the federal government and by the U.S. states and foreign jurisdictions in which we or they conduct
business. The applicable federal, state and foreign health care laws and regulations that may affect our or our potential third-
party partners’ ability to operate include the following:

● the federal Anti-Kickback Statute, which prohibits, among other things, persons and entities from knowingly
and willfully soliciting, offering, receiving or providing remuneration, directly or indirectly, in cash or in kind,
to  induce  or  reward,  or  in  return  for,  either  the  referral  of  an  individual  for,  or  the  purchase,  order  or
recommendation of, any good or service, for which payment may be made under federal and state health care
programs  such  as  Medicare  and  Medicaid.  Further,  several  courts  have  interpreted  the  statute’s  intent
requirement to mean that if any one purpose of an arrangement involving remuneration is to induce referrals
of federal health care covered business, the Anti-Kickback Statute has been violated.  The intent standard was
further amended by the Affordable Care Act, to a stricter standard such that a person or entity no longer needs
to have actual knowledge of the statute or specific intent to violate it in order to have committed a violation.
 Moreover, the government may assert that a claim including items or services resulting from a violation of the
federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the False Claims Act;
● federal civil and criminal false claims laws, including, without limitation, the federal civil False Claims Act
(that  can  be  enforced  through  civil  whistleblower  or  qui  tam  actions),  and  the  civil  monetary  penalties  law,
which impose criminal and civil penalties, against individuals or entities for knowingly presenting, or causing
to  be  presented,  to  the  federal  government,  including  the  Medicare  and  Medicaid  programs,  claims  for
payment that are false or fraudulent or making a false statement to avoid, decrease or conceal an obligation to
pay money to the federal government;

● federal Health Insurance Portability and Accountability Act of 1996, or HIPAA, which imposes criminal and
civil  liability  for,  among  other  things,  executing  a  scheme  to  defraud  any  health  care  benefit  program  or
making false statements relating to health care matters. Similar to the federal Anti-Kickback Statute, a person
or  entity  does  not  need  to  have  actual  knowledge  of  the  statute  or  specific  intent  to  violate  it  to  have
committed a violation;

● HIPAA, as amended by HITECH, and their respective implementing regulations, which impose obligations on
covered health care providers, health plans, and health care clearinghouses, as well as their business associates
that  create,  receive,  maintain  or  transmit  individually  identifiable  health  information  for  or  on  behalf  of  a
covered  entity  and  their  subcontractors  that  use,  disclose,  access,  or  otherwise  process  protected  health
information,  with  respect  to  safeguarding  the  privacy,  security  and  transmission  of  individually  identifiable
health information;

● the  federal  Open  Payments  program,  created  under  Section  6002  of  the  Affordable  Care  Act  (commonly
known as the Physician Payments Sunshine Act) and its implementing regulations, which requires specified
manufacturers  of  drugs,  devices,  biologics  or  medical  supplies  for  which  payment  is  available  under
Medicare, Medicaid or the Children’s Health Insurance Program, with specific exceptions, to report annually
to CMS information related to “payments or other transfers of value” made to physicians, which is defined to
include doctors, dentists, optometrists, podiatrists and chiropractors, other health care professionals (such as
physician assistants and nurse practitioners), and teaching hospitals, and for applicable manufacturers to

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report annually to CMS information regarding ownership and investment interests held by physicians and their
immediate family members; and

● analogous state and foreign laws and regulations, such as state anti-kickback and false claims laws, which may
apply  to  sales  or  marketing  arrangements  and  claims  involving  health  care  items  or  services  reimbursed  by
non-governmental  third-party  payors,  including  private  insurers;  state  and  foreign  laws  that  require
pharmaceutical companies to comply with the pharmaceutical industry’s voluntary compliance guidelines and
the relevant compliance guidance promulgated by the federal government or otherwise restrict payments that
may be made to health care providers; state, local and foreign laws that require drug manufacturers to report
information related to payments and other transfers of value to physicians and other health care providers or
marketing  expenditures;  state  laws  that  require  drug  manufacturers  to  report  pricing  information  regarding
certain  drugs;  and/or  that  require  registration  of  certain  employees  engaged  in  marketing  activities  in  the
location;  and  state  and  foreign  laws  governing  the  privacy  and  security  of  health  information  in  certain
circumstances,  many  of  which  differ  from  each  other  in  significant  ways  and  often  are  not  preempted  by
HIPAA, thus complicating compliance efforts.

Efforts to ensure that our or our potential third-party partners’ business arrangements with third parties will comply
with applicable health care laws and regulations may involve substantial costs. It is possible that governmental authorities
will conclude that our or our potential third-party partners’ business practices, including relationships with physicians and
other health care providers, some of whom may recommend, purchase and/or prescribe our drug candidates, if approved,
may not comply with current or future statutes, regulations or case law involving applicable fraud and abuse or other health
care laws and regulations. By way of example, some of our consulting arrangements with physicians may not meet all of the
criteria of the personal services safe harbor under the federal Anti-Kickback Statute. Accordingly, they may not qualify for
safe harbor protection from government prosecution. A business arrangement that does not substantially comply with a safe
harbor, however, is not necessarily illegal under the Anti-Kickback Statute, but may be subject to additional scrutiny by the
government.

If our or our potential third-party partners’ operations are found to be in violation of any of these laws or any other
governmental regulations that may apply to us or them, we or our potential third-party partners may be subject to significant
civil,  criminal  and  administrative  penalties,  including,  without  limitation,  damages,  fines,  disgorgement,  imprisonment,
exclusion  from  participation  in  government  health  care  programs,  such  as  Medicare  and  Medicaid,  additional  reporting
requirements and oversight if we or they become subject to a corporate integrity agreement or similar agreement to resolve
allegations of non-compliance with these laws and the curtailment or restructuring of our or their operations, which could
have a material adverse effect on our ability to earn revenue from arrangements with such third-party partners for our drug
candidates. If any physician or other health care provider or entity with whom we or our potential third-party partners expect
to  do  business  is  found  not  to  be  in  compliance  with  applicable  laws,  it  may  be  subject  to  significant  criminal,  civil  or
administrative  sanctions,  including  exclusions  from  participation  in  government  health  care  programs,  which  could  also
materially affect our ability to earn revenue from arrangements with such third-party partners for our drug candidates.

Recently  enacted  and  future  legislation  may  increase  the  difficulty  and  cost  for  our  potential  third-party
partners to obtain marketing approval of our drug candidates and commercialize our drug candidates, if approved, and
affect the prices our potential third-party partners may obtain.

In the United States, and some foreign jurisdictions, there have been a number of legislative and regulatory changes
and  proposed  changes  regarding  the  health  care  system  that  could  prevent  or  delay  marketing  approval  of  our  drug
candidates, restrict or regulate post-approval activities and affect our potential third-party partners’ ability to profitably sell
any of our drug candidates for which our potential third-party partners obtain marketing approval, and consequently affect
our ability to earn revenue from arrangements with such third-party partners for our drug candidates.

Among  policy  makers  and  payors  in  the  United  States  and  elsewhere,  there  is  significant  interest  in  promoting
changes  in  health  care  systems  with  the  stated  goals  of  containing  health  care  costs,  improving  quality  and/or  expanding
access.  In  the  United  States,  the  pharmaceutical  industry  has  been  a  particular  focus  of  these  efforts  and  has  been
significantly  affected  by  major  legislative  initiatives.   The  Affordable  Care  Act,  which  was  signed  into  law  in  2010,  is  a
sweeping  law  intended  to  broaden  access  to  health  insurance,  reduce  or  constrain  the  growth  of  health  care  spending,
enhance  remedies  against  fraud  and  abuse,  add  new  transparency  requirements  for  the  health  care  and  health  insurance
industries, impose new taxes and fees on the health industry and impose additional health policy reforms.

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Among the provisions of the Affordable Care Act of importance to commercial products are the following:

● an  annual,  nondeductible  fee  on  any  entity  that  manufactures  or  imports  certain  branded  prescription  drugs
and biologic agents, apportioned among these entities according to their market share in certain government
health care programs;

● an  increase  in  the  statutory  minimum  rebates  a  manufacturer  must  pay  under  the  Medicaid  Drug  Rebate
Program to 23.1% and 13.0% of the average manufacturer price for branded and generic drugs, respectively;
● expansion of health care fraud and abuse laws, including the False Claims Act and the Anti-Kickback Statute,
which  include,  among  other  things,  new  government  investigative  powers  and  enhanced  penalties  for  non-
compliance;

● a Medicare Part D coverage gap discount program, in which manufacturers must agree to offer 70% point-of-
sale  discounts  off  negotiated  prices  of  applicable  brand  drugs  to  eligible  beneficiaries  during  their  coverage
gap period, as a condition for the manufacturer’s outpatient drugs to be covered under Medicare Part D;
● extension  of  manufacturers’  Medicaid  rebate  liability  to  covered  drugs  dispensed  to  individuals  who  are

enrolled in Medicaid managed care organizations;

● expansion  of  eligibility  criteria  for  Medicaid  programs  by,  among  other  things,  allowing  states  to  offer
Medicaid  coverage  to  additional  individuals,  thereby  potentially  increasing  manufacturers’  Medicaid  rebate
liability;

● expansion  of  the  entities  eligible  for  discounts  under  the  Public  Health  Service  pharmaceutical  pricing

program;

● requirements under the federal Open Payments program and its implementing regulations;
● a requirement to annually report drug samples that manufacturers and distributors provide to physicians; and
● the Patient-Centered Outcomes Research Institute to oversee, identify priorities in, and conduct comparative

clinical effectiveness research, along with funding for such research.

There have been executive branch, judicial and Congressional challenges to certain aspects of the Affordable Care
Act. While Congress has not passed comprehensive repeal legislation, several bills affecting the implementation of certain
taxes  under  the  Affordable  Care  Act  have  been  signed  into  law.  The  2017  Tax  Act  includes  a  provision  that  repealed,
effective  January  1,  2019,  the  tax-based  shared  responsibility  payment  imposed  by  the  Affordable  Care  Act  on  certain
individuals  who  fail  to  maintain  qualifying  health  coverage  for  all  or  part  of  a  year  that  is  commonly  referred  to  as  the
“individual mandate”.  Additionally, the 2020 federal spending package permanently eliminated, effective January 1, 2020,
the Affordable Care Act-mandated “Cadillac” tax on high-cost employer-sponsored health coverage and medical device tax
and, effective January 1, 2021, also eliminated the health insurer tax.  Further, the BBA, among other things, amended the
Affordable Care Act, effective January 1, 2019, to close the coverage gap in most Medicare drug plans, commonly referred
to as the “donut hole”.  On June 17, 2021 the U.S. Supreme Court dismissed a challenge on procedural grounds that argued
the  Affordable  Care  Act  is  unconstitutional  in  its  entirety  because  the  “individual  mandate”  was  repealed  by  Congress.
Thus, the Affordable Care Act will remain in effect in its current form. Prior to the U.S. Supreme Court ruling, on January
28,  2021,  President  Biden  issued  an  executive  order  that  initiated  a  special  enrollment  period  for  purposes  of  obtaining
health  insurance  coverage  through  the  Affordable  Care  Act  marketplace.  The  executive  order  also  instructed  certain
governmental agencies to review and reconsider their existing policies and rules that limit access to healthcare, including
among  others,  reexamining  Medicaid  demonstration  projects  and  waiver  programs  that  include  work  requirements,  and
policies  that  create  unnecessary  barriers  to  obtaining  access  to  health  insurance  coverage  through  Medicaid  or  the
Affordable Care Act. It is possible that the Affordable Care Act will be subject to judicial or Congressional challenges in the
future. It is unclear how such challenges and the health care reform measures of the Biden administration will impact the
Affordable Care Act and our business.

In addition, other legislative changes have been proposed and adopted since the Affordable Care Act was enacted.
These changes included aggregate reductions to Medicare payments to providers of 2% per fiscal year that became effective
on  April  1,  2013  and,  due  to  subsequent  legislative  amendments  to  the  statute,  including  the  BBA  and  the  Infrastructure
Investment and Jobs Act, will stay in effect through 2031 with the exception of a temporary suspension from May 1, 2020
through March 31, 2022 unless additional Congressional action is taken.  Under current legislation the actual reduction in
Medicare payments will vary from 1% in 2022 to up to 3% in the final fiscal year of this sequester. The American Taxpayer
Relief Act of 2012, which was signed into law in January 2013, among other things, further reduced Medicare payments to
several providers, and increased the statute of limitations period for the government to recover overpayments to providers
from three to five years. Any similar new laws may result in additional reductions in Medicare

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and other health care funding, which could have a material adverse effect on our ability to earn revenue from arrangements
with our potential third-party partners for our drug candidates.

We expect that the Affordable Care Act, as well as other health care reform measures that may be adopted in the
future,  may  result  in  more  rigorous  coverage  criteria  and  in  additional  downward  pressure  on  the  price  that  our  potential
third-party  partners  receive  for  any  approved  drug  candidate.  Any  reduction  in  reimbursement  from  Medicare  or  other
government  programs  may  result  in  a  similar  reduction  in  payments  from  private  payors.  The  implementation  of  cost
containment  measures  or  other  health  care  reforms  may  prevent  our  potential  third-party  partners  from  being  able  to
generate  revenue,  attain  profitability,  or  commercialize  our  drug  candidates,  if  approved,  which  in  turn  may  impact  our
ability to earn revenue from arrangements with such third-party partners for our drug candidates. Further, it is also possible
that additional governmental action is taken in response to the COVID-19 pandemic.

Legislative and regulatory proposals have been made to expand post-approval requirements and restrict sales and
promotional  activities  for  drugs.    In  addition,  there  has  been  heightened  governmental  scrutiny  in  the  United  States  of
pharmaceutical pricing practices in light of the rising cost of prescription drugs and biologics. Such scrutiny has resulted in
several  recent  Congressional  inquiries  and  proposed  and  enacted  federal  and  state  legislation  designed  to,  among  other
things, bring more transparency to drug pricing, review the relationship between pricing and manufacturer patient programs,
and  reform  government  program  reimbursement  methodologies  for  drugs.  At  the  federal  level,  the  Trump  administration
used  several  means  to  propose  or  implement  drug  pricing  reform,  including  through  federal  budget  proposals,  executive
orders and policy initiatives. For example, on July 24, 2020 and September 13, 2020, President Trump announced several
executive orders related to prescription drug pricing that seek to implement several of the administration’s proposals. As a
result, the FDA concurrently released a final rule and guidance in September 2020 providing pathways for states to build
and submit importation plans for drugs from Canada. Further, on November 20, 2020, HHS finalized a regulation removing
safe harbor protection for price reductions from pharmaceutical manufacturers to plan sponsors under Part D, either directly
or through pharmacy benefit managers, unless the price reduction is required by law. The implementation of the rule has
been delayed by the Biden administration from January 1, 2022 to January 1, 2023 in response to ongoing litigation. The
rule also creates a new safe harbor for price reductions reflected at the point-of-sale, as well as a new safe harbor for certain
fixed fee arrangements between pharmacy benefit managers and manufacturers, the implementation of which have also been
delayed until January 1, 2023. On November 20, 2020, CMS issued an interim final rule implementing President Trump’s
Most Favored Nation executive order, which would tie Medicare Part B payments for certain physician-administered drugs
to  the  lowest  price  paid  in  other  economically  advanced  countries,  effective  January  1,  2021.  As  a  result  of  litigation
challenging the Most Favored Nation model, on December 27, 2021, CMS published a final rule that rescinded the Most
Favored  Nation  model  interim  final  rule.  In  July  2021,  the  Biden  administration  released  an  executive  order,  “Promoting
Competition  in  the  American  Economy,”  with  multiple  provisions  aimed  at  prescription  drugs.  In  response  to  Biden’s
executive order, on September 9, 2021, HHS released a Comprehensive Plan for Addressing High Drug Prices that outlines
principles for drug pricing reform and sets out a variety of potential legislative policies that Congress could pursue as well
as potential administrative actions HHS can take to advance these principles. No legislation or administrative actions have
been finalized to implement these principles. It is unclear whether these or similar policy initiatives will be implemented in
the  future.  At  the  state  level,  legislatures  have  become  increasingly  active  in  passing  legislation  and  implementing
regulations  designed  to  control  pharmaceutical  and  biological  product  pricing,  including  price  or  patient  reimbursement
constraints, discounts, restrictions on certain drug access and marketing cost disclosure and transparency measures, and, in
some  cases,  designed  to  encourage  importation  from  other  countries  and  bulk  purchasing.    We  cannot  be  sure  whether
additional legislative changes will be enacted, or whether the FDA regulations, guidance or interpretations will be changed,
or what the impact of such changes on obtaining marketing approvals for our drug candidates, if any, may be. In addition,
increased  scrutiny  by  the  U.S.  Congress  of  the  FDA’s  approval  process  may  significantly  delay  or  prevent  marketing
approval, as well as subject our potential third-party partners to more stringent drug labeling and post-marketing testing and
other  requirements.  These  risks  may  compromise  our  ability  to  earn  revenue  from  arrangements  with  such  third-party
partners for our drug candidates.

Governments  outside  the  United  States  tend  to  impose  strict  price  controls,  which  may  adversely  affect  our

revenue.

In some countries, particularly the countries of the European Union, the pricing of prescription pharmaceuticals is
subject to governmental control. In these countries, pricing negotiations with governmental authorities can take considerable
time after the receipt of marketing approval for a drug. To obtain coverage and reimbursement or pricing approval in some
countries, our potential third-party partners may be required to conduct a clinical trial that compares the

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cost-effectiveness  of  our  drug  candidate  to  other  available  procedures.  If  reimbursement  of  our  drug  candidates  is
unavailable or limited in scope or amount, or if pricing is set at unsatisfactory levels, our potential third-party partners may
not able to generate revenue, which in turn may adversely affect our ability to earn revenue from arrangements with such
third-party partners for our drug candidates. 

If  we  fail  to  comply  with  environmental,  health  and  safety  laws  and  regulations,  we  could  become  subject  to

fines or penalties or incur costs that could harm our business.

We  are  subject  to  numerous  environmental,  health  and  safety  laws  and  regulations,  including  those  governing
laboratory  procedures  and  the  handling,  use,  storage,  treatment  and  disposal  of  hazardous  materials  and  wastes.  Our
operations  involve  the  use  of  hazardous  and  flammable  materials,  including  chemicals  and  biological  materials.  Our
operations  also  produce  hazardous  waste  products.  We  generally  contract  with  third  parties  for  the  disposal  of  these
materials  and  wastes.  We  cannot  eliminate  the  risk  of  contamination  or  injury  from  these  materials.  In  the  event  of
contamination or injury resulting from our use of hazardous materials, we could be held liable for any resulting damages,
and any liability could exceed our resources. We also could incur significant costs associated with civil or criminal fines and
penalties for failure to comply with such laws and regulations. 

Although we maintain workers’ compensation insurance to cover us for costs and expenses we may incur due to
injuries to our employees resulting from the use of hazardous materials, this insurance may not provide adequate coverage
against  potential  liabilities.  We  do  not  maintain  insurance  for  environmental  liability  or  toxic  tort  claims  that  may  be
asserted against us in connection with our storage or disposal of biological, hazardous or radioactive materials.

In  addition,  we  may  incur  substantial  costs  in  order  to  comply  with  current  or  future  environmental,  health  and
safety  laws  and  regulations.  These  current  or  future  laws  and  regulations  may  impair  our  development  or  manufacturing
efforts.  Our  failure  to  comply  with  these  laws  and  regulations  also  may  result  in  substantial  fines,  penalties  or  other
sanctions.  

We  are  subject  to  governmental  economic  sanctions  and  export  and  import  controls  that  could  impair  our
potential  third-party  partners’  ability  to  compete  in  international  markets  or  subject  us  or  our  potential  third-party
partners to liability if we or they are not in compliance with applicable laws.

As  a  U.S.  company,  we  are  subject  to  U.S.  import  and  export  controls  and  economic  sanctions  laws  and
regulations, and we are required to import and export our drug candidates, technology and services in compliance with those
laws  and  regulations,  including  the  U.S.  Export  Administration  Regulations,  U.S.  Customs  regulations,  the  International
Traffic  in  Arms  Regulations,  and  economic  embargo  and  trade  sanction  programs  administered  by  the  U.S.  Treasury
Department’s Office of Foreign Assets Control.  

U.S.  economic  sanctions  and  export  control  laws  and  regulations  prohibit  the  shipment  of  certain  products  and
services  to  countries,  governments  and  persons  targeted  by  U.S.  sanctions.  While  we  are  currently  taking  precautions  to
prevent doing any business, directly or indirectly, with countries, governments and persons targeted by U.S. sanctions and to
ensure that our drug candidates are not exported or used by countries, governments and persons targeted by U.S. sanctions,
such measures may be circumvented.  

Furthermore,  if  we  or  our  potential  third-party  partners  export  our  drug  candidates,  the  exports  may  require
authorizations,  including  a  license,  a  license  exception  or  other  appropriate  government  authorization.  Complying  with
export control and sanctions regulations may be time-consuming and may result in the delay or loss of sales opportunities.
Failure  to  comply  with  export  control  and  sanctions  regulations  may  expose  us  or  our  potential  third-party  partners  to
government investigations and penalties.  

If we are found to be in violation of U.S. sanctions or import or export control laws, it could result in civil and
criminal,  monetary  and  non-monetary  penalties,  including  possible  incarceration  for  those  individuals  responsible  for  the
violations, the loss of export or import privileges and reputational harm.

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We and our potential third-party partners are subject to anti-corruption and anti-money laundering laws with
respect to our and their operations and non-compliance with such laws can subject us to criminal and/or civil liability
and harm our business.

We and our potential third-party partners are subject to the FCPA, the U.S. domestic bribery statute contained in 18
U.S.C. § 201, the U.S. Travel Act, the USA PATRIOT Act and possibly other anti-bribery and anti-money laundering laws
in countries in which we conduct activities. Anti-corruption laws are interpreted broadly and prohibit companies and their
employees and third-party intermediaries from authorizing, offering or providing, directly or indirectly, improper payments
or  benefits  to  recipients  in  the  public  or  private  sector.  We  or  our  potential  third-party  partners  may  engage  third-party
intermediaries in connection with the development or commercialization of our drug candidates, if approved, and to obtain
necessary  permits,  licenses  and  other  regulatory  approvals.  We,  our  potential  third-party  partners  or  the  third-party
intermediaries may have direct or indirect interactions with officials and employees of government agencies or state-owned
or affiliated entities. We can be held liable for the corrupt or other illegal activities of these third-party intermediaries, our
employees, representatives, contractors, partners and agents, even if we do not explicitly authorize such activities. 

Noncompliance with anti-corruption and anti-money laundering laws could subject us to whistleblower complaints,
investigations,  sanctions,  settlements,  prosecution,  other  enforcement  actions,  disgorgement  of  profits,  significant  fines,
damages,  other  civil  and  criminal  penalties  or  injunctions,  suspension  and/or  debarment  from  contracting  with  certain
persons,  the  loss  of  export  privileges,  reputational  harm,  adverse  media  coverage  and  other  collateral  consequences.
Responding to any action will likely result in a materially significant diversion of management’s attention and resources and
significant defense costs and other professional fees.

Risks Related to Employee Matters and Managing Our Growth

Our future success depends on our ability to retain key executives and to attract, retain and motivate qualified

personnel.

We are highly dependent on the management, development, clinical, financial, and business development expertise
of Dr. Neal Walker, our Chief Executive Officer, Frank Ruffo, our Chief Financial Officer, Dr. Joseph Monahan, our Chief
Scientific Officer, and James Loerop, our Chief Business Officer, as well as the other members of our scientific and clinical
teams.  Although  we  have  entered  into  employment  agreements  with  our  executive  officers,  each  of  them  may  currently
terminate their employment with us or resign at any time.  We do not maintain “key person” insurance for any of our key
executives other than for Dr. Walker. 

Recruiting  and  retaining  qualified  scientific,  manufacturing  and  clinical  personnel  will  also  be  critical  to  our
success.  The  loss  of  the  services  of  our  executive  officers  or  other  key  employees  could  impede  the  achievement  of  our
development  objectives  and  seriously  harm  our  ability  to  successfully  implement  our  business  strategy.  Furthermore,
replacing executive officers and key employees may be difficult and may take an extended period of time because of the
limited number of individuals in our industry with the breadth of skills and experience required to successfully develop and
partner drug candidates. Competition to hire from this limited pool is intense, and we may be unable to hire, train, retain or
motivate  these  key  personnel  on  acceptable  terms  given  the  competition  among  numerous  pharmaceutical  and
biotechnology  companies  for  similar  personnel.  We  also  experience  competition  for  the  hiring  of  scientific  and  clinical
personnel from universities and research institutions. In addition, we rely on consultants and advisors, including scientific
and  clinical  advisors,  to  assist  us  in  formulating  our  development  strategy.  Our  consultants  and  advisors  may  have
commitments under employment, consulting or advisory contracts with other entities that may limit their availability to us.
If we are unable to continue to attract and retain high quality personnel, our ability to pursue our growth strategy will be
limited. 

Our  employees,  independent  contractors,  consultants,  third-party  partners,  principal  investigators,  CROs  and
vendors may engage in misconduct or other improper activities, including non-compliance with regulatory standards and
requirements.

We are exposed to the risk that our employees, independent contractors, consultants, third-party partners, principal
investigators,  CROs  and  vendors  may  engage  in  fraudulent  conduct  or  other  illegal  activity.  Misconduct  by  these  parties
could include intentional, reckless and/or negligent conduct or disclosure of unauthorized activities to us that violates FDA
regulations,  including  those  laws  requiring  the  reporting  of  true,  complete  and  accurate  information  to  the  FDA,
manufacturing standards, federal and state health care laws and regulations, and laws that require the true, complete

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and  accurate  reporting  of  financial  information  or  data.  In  particular,  sales,  marketing  and  business  arrangements  by  our
potential  third-party  partners  in  the  health  care  industry  are  subject  to  extensive  laws  and  regulations  intended  to  prevent
fraud, kickbacks, self-dealing and other abusive practices. These laws and regulations may restrict or prohibit a wide range
of  pricing,  discounting,  marketing  and  promotion,  sales  commission,  customer  incentive  programs  and  other  business
arrangements.  Misconduct  by  these  parties  could  also  involve  the  improper  use  of  individually  identifiable  information,
including, without limitation, information obtained in the course of clinical trials, which could result in regulatory sanctions
and serious harm to our reputation. We have adopted a code of business conduct and ethics, but it is not always possible to
identify  and  deter  misconduct,  and  the  precautions  we  take  to  detect  and  prevent  this  activity  may  not  be  effective  in
controlling unknown or unmanaged risks or losses or in protecting us from governmental investigations or other actions or
lawsuits stemming from a failure to be in compliance with such laws or regulations. If any such actions are instituted against
us, and we are not successful in defending ourselves or asserting our rights, those actions could have a significant impact on
our  business,  including  the  imposition  of  significant  civil,  criminal  and  administrative  penalties,  including,  without
limitation, damages, fines, disgorgement, imprisonment, exclusion from participation in government health care programs,
such  as  Medicare  and  Medicaid,  additional  reporting  obligations  and  oversight  if  we  are  subject  to  a  corporate  integrity
agreement or other agreement to resolve allegations of non-compliance with these laws, and the curtailment or restructuring
of our operations.

Risks Related to Ownership of Our Common Stock

The trading price of the shares of our common stock has been and is likely to continue to be volatile.

Our stock price has been and is likely to continue to be volatile. The stock market in general and the market for
biotechnology  companies  in  particular  have  experienced  extreme  volatility  that  has  often  been  unrelated  to  the  operating
performance of particular companies. As a result of this volatility, investors may not be able to sell their common stock at or
above the price paid for the shares. The market price for our common stock may be influenced by many factors, including:

● the commencement, enrollment and/or results of any preclinical studies and clinical trials we may conduct, or

changes in the development status of our drug candidates;

● any delay in our regulatory filings for any of our drug candidates and any adverse development or perceived
adverse  development  with  respect  to  the  applicable  regulatory  authority’s  review  of  such  filings,  including
without limitation the FDA’s issuance of a “refusal to file” letter or a request for additional information;

● adverse results from, delays in or termination of clinical trials;
● adverse regulatory decisions, including failure of any of our drug candidates to receive marketing approval;
● unanticipated serious safety concerns related to the use of any drug candidate or previously sold commercial

product;

● changes in financial estimates by us or by any securities analysts who might cover our stock;
● conditions or trends in our industry;
● changes in the structure of health care payment systems;
● changes in the market valuations of similar companies;
● stock market price and volume fluctuations of comparable companies and, in particular, those that operate in

the biotechnology industry;

● publication  of  research  reports  about  us  or  our  industry  or  positive  or  negative  recommendations  or

withdrawal of research coverage by securities analysts;

● announcements by us or our competitors of significant acquisitions, strategic partnerships or divestitures;
● announcements of investigations or regulatory scrutiny of our operations or lawsuits filed against us;
● investors’ general perception of our company and our business;
● recruitment or departure of key personnel;
● overall performance of the equity markets;
● trading volume of our common stock;
● disputes  or  other  developments  relating  to  proprietary  rights,  including  patents,  litigation  matters  and  our

ability to obtain patent protection for our technologies;

● significant lawsuits, including patent or stockholder litigation;
● general political and economic conditions;
● the evolution of the COVID-19 pandemic and success of mass vaccination efforts; and
● other events or factors, many of which are beyond our control.

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In  the  past,  stockholders  have  initiated  class  action  lawsuits  against  us  and  other  pharmaceutical  companies
following  periods  of  volatility  in  the  market  prices  of  these  companies’  stock.  We  have  entered  into  indemnification
agreements with our executive officers and directors which provide, among other things, that we will indemnify such officer
or  director,  under  the  circumstances  and  to  the  extent  provided  for  therein,  for  expenses,  damages,  judgments,  fines  and
settlements he or she may be required to pay in actions or proceedings which he or she is or may be made a party by reason
of his or her position as our director, officer or other agent, and otherwise to the fullest extent permitted under Delaware law
and  our  bylaws.  Such  additional  litigation,  if  instituted  against  us,  could  cause  us  to  incur  substantial  costs  and  divert
management’s attention and resources from our business.

Sales of a substantial number of shares of our common stock into the market could cause the market price of

our common stock to drop significantly, even if our business is doing well.

Sales of a substantial number of shares of our common stock in the public market could occur at any time. If our
stockholders sell, or the market perceives that our stockholders intend to sell, substantial amounts of our common stock in
the public market, the market price of our common stock could decline significantly.

In addition, we have filed registration statements on Form S-8 under the Securities Act registering the issuance of
shares of common stock subject to options or other equity awards issued or reserved for future issuance under our equity
incentive plans. Shares registered under these registration statements are available for sale in the public market subject to
vesting arrangements and exercise of options, and the restrictions of Rule 144 under the Securities Act in the case of our
affiliates.

Provisions in our corporate charter documents and under Delaware law may prevent or frustrate attempts by
our stockholders to change our management and hinder efforts to acquire a controlling interest in us, and the market
price of our common stock may be lower as a result.

There are provisions in our certificate of incorporation and bylaws that may make it difficult for a third party to
acquire, or attempt to acquire, control of our company, even if a change of control was considered favorable by some or all
of  our  stockholders.  For  example,  our  board  of  directors  has  the  authority  to  issue  up  to  10,000,000  shares  of  preferred
stock. The board of directors can fix the price, rights, preferences, privileges, and restrictions of the preferred stock without
any further vote or action by our stockholders. The issuance of shares of preferred stock may delay or prevent a change of
control transaction. As a result, the market price of our common stock and the voting and other rights of our stockholders
may  be  adversely  affected.  An  issuance  of  shares  of  preferred  stock  may  result  in  the  loss  of  voting  control  to  other
stockholders.

Our charter documents also contain other provisions that could have an anti-takeover effect, including:

● only one of our three classes of directors is elected each year;
● stockholders are not entitled to remove directors other than by a 66 2/3% vote and only for cause;
● stockholders are not permitted to take actions by written consent;
● stockholders cannot call a special meeting of stockholders; and
● stockholders  must  give  advance  notice  to  nominate  directors  or  submit  proposals  for  consideration  at

stockholder meetings.

In  addition,  we  are  subject  to  the  anti-takeover  provisions  of  Section  203  of  the  Delaware  General  Corporation
Law,  which  regulates  corporate  acquisitions  by  prohibiting  Delaware  corporations  from  engaging  in  specified  business
combinations  with  particular  stockholders  of  those  companies.  These  provisions  could  discourage  potential  acquisition
proposals and could delay or prevent a change of control transaction. They could also have the effect of discouraging others
from making tender offers for our common stock, including transactions that may be in your best interests. These provisions
may also prevent changes in our management or limit the price that investors are willing to pay for our stock.

If we fail to maintain proper and effective internal controls, our ability to produce accurate financial statements

on a timely basis could be impaired.

We  are  subject  to  the  reporting  requirements  of  the  Exchange  Act,  the  Sarbanes-Oxley  Act  and  the  rules  and

regulations of the stock market on which our common stock is listed. The Sarbanes-Oxley Act requires, among other

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things,  that  we  maintain  effective  disclosure  controls  and  procedures  and  internal  control  over  financial  reporting,  and
perform system and process evaluation and testing of our internal control over financial reporting to allow management to
report on the effectiveness of our internal control over financial reporting. This requires that we incur substantial additional
professional  fees  and  internal  costs  to  expand  our  accounting  and  finance  functions  and  that  we  expend  significant
management efforts.

We may identify weaknesses in our system of internal financial and accounting controls and procedures that could
result in a material misstatement of our consolidated financial statements. Our internal control over financial reporting will
not prevent or detect all errors and all fraud. A control system, no matter how well designed and operated, can provide only
reasonable, not absolute, assurance that the control system’s objectives will be met. Because of the inherent limitations in all
control systems, no evaluation of controls can provide absolute assurance that misstatements due to error or fraud will not
occur or that all control issues and instances of fraud will be detected.

If  we  are  unable  to  maintain  proper  and  effective  internal  controls,  we  may  not  be  able  to  produce  timely  and
accurate financial statements, and we may conclude that our internal control over financial reporting is not effective. If that
were to happen, the market price of our stock could decline, and we could be subject to sanctions or investigations by the
stock exchange on which our common stock is listed, the SEC, or other regulatory authorities.

We might not be able to utilize a significant portion of our net operating loss carryforwards and research and

development tax credit carryforwards.

As of December 31, 2021, we had federal and state net operating loss carryforwards, or NOLs, of $448.4 million
and  $404.9  million,  respectively,  which  will  begin  to  expire  in  2032.    Under  the  2017  Tax  Act,  as  modified  by  the
Coronavirus  Aid,  Relief,  and  Economic  Security  Act,  or  CARES  Act,  federal  NOL  carryforwards  generated  in  tax  years
beginning after December 31, 2017 may be carried forward indefinitely but, in the case of tax years beginning after 2020,
may  only  be  used  to  offset  80%  of  our  taxable  income  annually.  Federal  NOL  carryforwards  generated  in  taxable  years
beginning in 2018, 2019 and 2020 will similarly carry forward indefinitely but will not be subject to such 80% of annual
taxable  income  limitation.    It  is  uncertain  if  and  to  what  extent  various  states  will  conform  to  the  federal  tax  law.   As  of
December  31,  2021,  we  also  had  federal  research  and  development  tax  credit  carryforwards  of  $11.4  million  which  will
begin to expire in 2032, and state research and development tax credit carryforwards of $0.1 million which will begin to
expire  in  2022.  We  also  have  $0.2  million  of  loss  carryforwards  in  the  United  Kingdom  which  can  be  carried  forward
indefinitely.  These  net  operating  loss  and  tax  credit  carryforwards  could  expire  unused  or  due  to  limitation  on  use  be
unavailable to offset future income tax liabilities.  In addition, under Section 382 of the Internal Revenue Code of 1986, as
amended, and corresponding provisions of state law, if a corporation undergoes an “ownership change,” which is generally
defined as a greater than 50% change, by value, in its equity ownership over a three-year period, the corporation’s ability to
use its pre-change net operating loss carryforwards and other pre-change tax attributes to offset its post-change income may
be limited.  We have completed an analysis under Section 382 for NOLs generated from July 13, 2012 through December
31, 2021.  Although we have experienced Section 382 ownership changes since 2012, we have concluded that we should
have sufficient ability to utilize NOLs accumulated during the periods tested.  We have not yet determined if a Section 382
ownership change has occurred after December 31, 2021.  In addition, we may experience ownership changes in the future
as a result of subsequent shifts in our stock ownership, some of which may be outside of our control. If we determine that an
ownership  change  has  occurred  and  our  ability  to  use  our  historical  net  operating  loss  and  tax  credit  carryforwards  is
materially limited, it might harm our future operating results by effectively increasing our future tax obligations.

We do not anticipate paying any cash dividends on our common stock in the foreseeable future and our stock

may not appreciate in value.

We have not declared or paid cash dividends on our common stock to date. We currently intend to retain our future
earnings, if any, to fund the development and growth of our business. There is no guarantee that shares of our common stock
will appreciate in value or that the price at which our stockholders have purchased their shares will be able to be maintained.

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Exclusive forum provisions in our amended and restated certificate of incorporation and amended and restated
bylaws  could  limit  our  stockholders’  ability  to  obtain  a  favorable  judicial  forum  for  disputes  with  us  or  our  directors,
officers or other employees.

Our amended and restated certificate of incorporation provides that the Court of Chancery of the State of Delaware
is the exclusive forum for the following types of actions or proceedings under Delaware statutory or common law: (i) any
derivative action or proceeding brought on our behalf, (ii) any action asserting a claim for breach of a fiduciary duty owed
by  any  of  our  directors,  officers  or  other  employees  to  us  or  our  stockholders,  (iii)  any  action  asserting  a  claim  arising
pursuant to any provision of the Delaware General Corporation Law, our amended and restated certificate of incorporation
or  our  amended  and  restated  bylaws  or  (iv)  any  action  asserting  a  claim  governed  by  the  internal  affairs  doctrine.  This
provision  would  not  apply  to  suits  brought  to  enforce  a  duty  or  liability  created  by  the  Exchange  Act.  Furthermore,
Section  22  of  the  Securities  Act  creates  concurrent  jurisdiction  for  federal  and  state  courts  over  all  such  Securities  Act
actions. Accordingly, both state and federal courts have jurisdiction to entertain such claims. To prevent having to litigate
claims  in  multiple  jurisdictions  and  the  threat  of  inconsistent  or  contrary  rulings  by  different  courts,  among  other
considerations, our amended and restated bylaws provide the federal district courts of the United States of America will be
the  exclusive  forum  for  resolving  any  complaint  asserting  a  cause  of  action  arising  under  the  Securities  Act.  While  the
Delaware courts have determined that such choice of forum provisions are facially valid, a stockholder may nevertheless
seek to bring a claim in a venue other than those designated in the exclusive forum provisions. In such instance, we would
expect to vigorously assert the validity and enforceability of the exclusive forum provisions of our amended and restated
certificate of incorporation and our amended and restated bylaws. This may require significant additional costs associated
with resolving such action in other jurisdictions and there can be no assurance that the provisions will be enforced by a court
in those other jurisdictions.

Our amended and restated certificate of incorporation and amended and restated bylaws further provide any person
or  entity  purchasing  or  otherwise  acquiring  any  interest  in  shares  of  our  common  stock  is  deemed  to  have  notice  of  and
consented to the foregoing provisions. These exclusive forum provisions may limit a stockholder’s ability to bring a claim in
a  judicial  forum  that  it  finds  favorable  for  disputes  with  us  or  our  directors,  officers,  or  other  employees,  which  may
discourage lawsuits against us and our directors, officers and other employees. If a court were to find either exclusive-forum
provision to be inapplicable or unenforceable in an action, we may incur further significant additional costs associated with
resolving the dispute in other jurisdictions, all of which could seriously harm our business.

General Risk Factors

Our business and operations would suffer in the event of computer system failures, cyber-attacks or a deficiency

in our cyber-security.

Despite  the  implementation  of  security  measures,  our  internal  computer  systems,  and  those  of  third  parties  on
which we rely, are vulnerable to damage from computer viruses, malware, supply chain attacks, ransomware attacks, natural
disasters,  terrorism,  war,  telecommunication  and  electrical  failures,  cyber-attacks  or  cyber-intrusions  over  the  Internet,
attachments to emails, persons inside our organization, or persons with access to systems inside our organization. The risk
of  a  security  breach  or  disruption,  particularly  through  cyber-attacks  or  cyber  intrusion,  including  by  computer  hackers,
foreign governments, and cyber terrorists, has generally increased as the number, intensity and sophistication of attempted
attacks and intrusions from around the world have increased. If such an event were to occur and cause interruptions in our
operations, it could result in a material disruption of our drug development programs. For example, the loss of clinical trial
data from completed or ongoing or planned clinical trials could result in delays in obtaining marketing approval for our drug
candidates and significantly increase our costs to recover or reproduce the data. To the extent that any disruption or security
breach  was  to  result  in  a  loss  of  or  damage  to  our  data  or  applications,  or  inappropriate  disclosure  of  confidential  or
proprietary  information,  we  could  incur  material  legal  claims  and  liability,  damage  to  our  reputation,  and  the  further
development or commercialization of our drug candidates by a potential third-party partner could be delayed.

An active trading market for our common stock may not be sustained.

Although our common stock is listed on The Nasdaq Global Select Market, we cannot assure you that an active
trading market for our shares will be sustained. If an active market for our common stock is not sustained, it may be difficult
for investors in our common stock to sell shares without depressing the market price for the shares or to sell the shares at
all. 

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If equity research analysts do not publish research or reports, or publish unfavorable research or reports, about

us, our business or our market, our stock price and trading volume could decline.

The trading market for our common stock is influenced by the research and reports that equity research analysts
publish  about  us  or  our  business,  our  market  and  our  competitors.  Equity  research  analysts  may  elect  not  to  initiate  or
continue to provide research coverage of our common stock, and such lack of research coverage may adversely affect the
market price of our common stock. Even if we have equity research analyst coverage, we will not have any control over the
analysts or the content and opinions included in their reports. The price of our stock could decline if one or more equity
research analysts downgrade our stock or issue other unfavorable commentary or research. If one or more equity research
analysts ceases coverage of our company or fails to publish reports on us regularly, demand for our stock could decrease,
which in turn could cause our stock price or trading volume to decline. 

The issuance of additional stock in connection with financings, acquisitions, investments, our equity incentive

plan or otherwise will dilute all other stockholders.

Our  certificate  of  incorporation  authorizes  us  to  issue  up  to  100,000,000  shares  of  common  stock  and  up  to
10,000,000  shares  of  preferred  stock  with  such  rights  and  preferences  as  may  be  determined  by  our  board  of  directors.
Subject  to  compliance  with  applicable  rules  and  regulations,  we  may  issue  our  shares  of  common  stock  or  securities
convertible  into  our  common  stock  from  time  to  time  in  connection  with  a  financing,  acquisition,  investment,  our  equity
incentive plan or otherwise. Any such issuance could result in substantial dilution to our existing stockholders and cause the
trading price of our common stock to decline. 

Changes in tax laws or regulations that are applied adversely to us may have a material adverse effect on our

business, cash flow, financial condition or results of operations.

New income, sales, use or other tax laws, statutes, rules, regulations or ordinances could be enacted at any time,
which could adversely affect our business operations and financial performance. For example, proposals have been made in
Congress (which have not yet been enacted) that would make a number of changes to the federal income tax law applicable
to corporations. Further, existing tax laws, statutes, rules, regulations or ordinances could be interpreted, changed, modified
or applied adversely to us. For example, the 2017 Tax Act enacted many significant changes to the U.S. tax laws. Future
guidance from the Internal Revenue Service and other tax authorities with respect to the 2017 Tax Act (as modified by the
CARES Act) may affect us, and certain aspects of the 2017 Tax Act could be repealed or modified in future legislation. In
addition, it is uncertain if and to what extent various states will conform to the 2017 Tax Act or any newly enacted federal
tax  legislation.  Changes  in  corporate  tax  rates,  the  realization  of  net  deferred  tax  assets  relating  to  our  operations,  the
taxation  of  foreign  earnings,  and  the  deductibility  of  expenses  under  the  2017  Tax  Act  or  future  reform  legislation  could
have  a  material  impact  on  the  value  of  our  deferred  tax  assets,  could  result  in  significant  one-time  charges,  and  could
increase our future U.S. tax expense.

We incur significant costs and demands upon management as a result of being a public company.

As a public company listed in the United States, we incur, and will continue to incur, particularly now that we no
longer qualify as a “smaller reporting company,” significant legal, accounting and other costs. These costs could negatively
affect our financial results. In addition, changing laws, regulations and standards relating to corporate governance and public
disclosure, including regulations implemented by the SEC and The Nasdaq Stock Market, may increase legal and financial
compliance  costs  and  make  some  activities  more  time-consuming.  These  laws,  regulations  and  standards  are  subject  to
varying interpretations and, as a result, their application in practice may evolve over time as new guidance is provided by
regulatory  and  governing  bodies.  We  intend  to  invest  resources  to  comply  with  evolving  laws,  regulations  and  standards,
and this investment may result in increased general and administrative expenses and a diversion of management’s time and
attention  from  revenue-generating  activities  to  compliance  activities.  If  notwithstanding  our  efforts  to  comply  with  new
laws, regulations and standards, we fail to comply, regulatory authorities may initiate legal proceedings against us and our
business may be harmed.

Failure  to  comply  with  these  rules  might  also  make  it  more  difficult  for  us  to  obtain  some  types  of  insurance,
including director and officer liability insurance, and we might be forced to accept reduced policy limits and coverage or
incur substantially higher costs to obtain the same or similar coverage. The impact of these events could also make it more
difficult for us to attract and retain qualified persons to serve on our board of directors, on committees of our board of

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directors or as members of senior management.

Item 1B. Unresolved Staff Comments

None.

Item 2. Properties

We  sublease  33,019  square  feet  of  space  for  our  headquarters  in  Wayne,  Pennsylvania,  which  we  use  for  our
therapeutics business. The sublease has a term through October 2023.  If for any reason the master lease is terminated or
expires prior to October 2023, our sublease will automatically terminate.  We sub-sublease 8,115 square feet of this space to
a third party.  The sub-sublease term runs concurrently with our sublease agreement.

We also sublease 20,433 square feet of office and laboratory space in St. Louis, Missouri, which we use for our
therapeutics and contract research businesses. The sublease has an initial term through June 2029. We have the option to
extend the initial term for two additional five-year periods.

We believe that our facilities are suitable and adequate to meet our current needs.

Item 3. Legal Proceedings

From  time  to  time  we  are  subject  to  litigation  and  claims  arising  in  the  ordinary  course  of  business  including
intellectual property and product liability litigation, but, except as stated below, we are not currently a party to any material
legal proceedings and we are not aware of any other pending or threatened legal proceeding against us that we believe could
have a material adverse effect on our business, operating results, cash flows or financial condition.

Securities Class Action

On July 30, 2019, plaintiff Linda Rosi, or Rosi, filed a putative class action complaint captioned Rosi  v.  Aclaris
Therapeutics, Inc.,  et  al.  in  the  U.S.  District  Court  for  the  Southern  District  of  New  York  against  us  and  certain  of  our
executive officers.  The complaint alleged that the defendants violated federal securities laws by, among other things, failing
to  disclose  an  alleged  likelihood  that  regulators  would  scrutinize  advertising  materials  related  to  ESKATA  (hydrogen
peroxide)  topical  solution,  40%  (w/w),  or  ESKATA,  and  find  that  the  materials  minimized  the  risks  or  overstated  the
efficacy of the product.  The complaint sought unspecified compensatory damages on behalf of Rosi and all other persons
and entities that purchased or otherwise acquired our securities between May 8, 2018 and June 20, 2019.

On  September  5,  2019,  an  additional  plaintiff,  Robert  Fulcher,  or  Fulcher,  filed  a  substantially  identical  putative

class action complaint captioned Fulcher v. Aclaris Therapeutics, Inc., et al. in the same court against the same defendants.

On November 6, 2019, the court consolidated the Rosi and Fulcher actions, or together, the Consolidated Securities

Action, and appointed Fulcher “lead plaintiff” for the putative class.

On  January  24,  2020,  Fulcher  filed  a  consolidated  amended  complaint  in  the  Consolidated  Securities  Action,
naming two additional executive officers as defendants, extending the putative class period to August 12, 2019, and adding
allegations  concerning,  among  other  things,  alleged  statements  and  omissions  throughout  the  putative  class  period
concerning  ESKATA’s  risks,  tolerability  and  effectiveness.  The  defendants  filed  a  motion  to  dismiss  the  consolidated
amended complaint on April 17, 2020. Following briefing and oral argument on February 25, 2021, the motion was granted
in  part  and  denied  in  part  on  March  29,  2021,  and  the  issues  in  dispute  significantly  narrowed.  The  defendants  filed  an
answer to the remaining aspects of the consolidated amended complaint on April 19, 2021.

In  June  2021,  the  defendants  and  the  plaintiffs  agreed  to  settle  the  Consolidated  Securities  Action.  The  parties
signed and filed a settlement agreement in July 2021. On August 18, 2021, the court preliminarily approved the proposed
settlement, directed that notice be given to the putative class and scheduled the final approval settlement hearing for

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November 30, 2021. Notice was subsequently given to the putative class. The court granted final approval of the settlement
on December 9, 2021. Our financial obligation was within the limits of our insurance coverage.

Stockholder Derivative Action

On November 15, 2019, plaintiff Keith Allred, or Allred, filed a derivative stockholder complaint captioned Allred
v. Walker et al. in the U.S. District Court for the Southern District of New York against certain of our directors and executive
officers.  The complaint alleged that the defendants, among other things, breached their fiduciary duties as directors and/or
officers in connection with the claims alleged in the Consolidated Securities Action.  The complaint sought, among other
things, unspecified compensatory damages on behalf of our company.

On November 25, 2019, an additional plaintiff, Bruce Brown, or Brown, filed a substantially identical complaint

captioned Brown v. Walker et al. in the same court against the same defendants.

On  December  12,  2019,  the  court  consolidated  the  Allred  and  Brown  actions  under  the  caption  In  re  Aclaris
Therapeutics,  Inc.  Derivative  Litigation,  or  the  Consolidated  Derivative  Action,  and  directed  that  future  derivative  cases
filed  in  or  transferred  to  the  court  arising  out  of  substantially  the  same  transactions  or  events  be  similarly  consolidated. 
Thereafter,  on  January  11,  2020,  the  court  stayed  –  subject  to  certain  conditions  –  all  deadlines  in  the  Consolidated
Derivative  Action  pending  resolution  of  the  defendants’  then-anticipated  motion  to  dismiss  the  Consolidated  Securities
Action.  On May 18, 2021, the court extended the stay – subject to certain conditions – until the resolution of a motion for
summary judgment in the Consolidated Securities Action, which defendants in that action intended to file had the parties to
the Consolidated Securities Action not reached an agreement to settle.

In  June  2021,  the  defendants  and  the  plaintiffs  agreed  to  settle  the  Consolidated  Derivative  Action.   The  agreed
terms require us to implement certain policies and for attorneys’ fees to be paid to plaintiff’s counsel, which were within the
limits of our insurance coverage. The parties signed and filed a settlement agreement in July 2021. On August 18, 2021, the
court preliminarily approved the proposed settlement, directed that notice be given to our stockholders and scheduled the
final approval settlement hearing for November 30, 2021.  Notice was subsequently given to our stockholders. The court
granted final approval of the settlement on December 9, 2021.

Item 4. Mine Safety Disclosures

Not applicable.

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Item  5.  Market  for  Registrant’s  Common  Equity,  Related  Stockholder  Matters  and  Issuer  Purchases  of  Equity
Securities

PART II

Market Information for Common Stock

Our common stock is listed on the Nasdaq Global Select Market under the symbol “ACRS.”  

Dividend Policy

We have never declared or paid any dividends on our common stock. We anticipate that we will retain all of our
future earnings, if any, for use in the operation and expansion of our business and do not anticipate paying cash dividends in
the foreseeable future.

Stockholders

As of January 31, 2022, we had 61,275,033 shares of common stock outstanding held by 61 holders of record. The
actual number of stockholders is greater than this number of record holders and includes stockholders who are beneficial
owners but whose shares are held in street name by brokers and other nominees. This number of holders of record also does
not include stockholders whose shares may be held in trust by other entities.

Recent Sales of Unregistered Securities

None.

Purchases of Equity Securities by the Issuer and Affiliated Parties

None.

Stock Performance Graph

The  graph  below  compares  the  cumulative  total  stockholder  return  for  the  period  December  31,  2016  through
December 31, 2021 for (i) our common stock, (ii) the Nasdaq Biotechnology Index and (iii) the Nasdaq Composite Index.
The graph assumes an investment of $100 on December 31, 2016 in each of our common stock, the Nasdaq Biotechnology
Index and the Nasdaq Composite Index and the reinvestment of dividends, if any, although we have never declared or paid
any dividends on our common stock. The stock price performance shown on the graph below is based on historical data and
is not indicative of future stock price performance.

 The graph and table below shall not be deemed “soliciting material” or to be “filed” with the SEC for purposes of

Section 18 of the Exchange Act or otherwise subject to the liabilities under that Section, and shall not be deemed to be

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incorporated by reference into any of our filings under the Securities Act or the Exchange Act.

Aclaris Therapeutics, Inc.
Nasdaq Composite Index
Nasdaq Biotechnology Index

Item 6. [Reserved]

     12/31/16      12/31/17      12/31/18      12/31/19      12/31/20      12/31/21
$ 53.57
$ 304.85
$ 175.37

$ 23.84
$ 249.51
$ 175.33

$
6.96
$ 172.18
$ 138.69

$ 100.00
$ 100.00
$ 100.00

$ 90.86
$ 129.64
$ 121.63

$ 27.23
$ 125.96
$ 110.85

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Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

You  should  read  the  following  discussion  and  analysis  of  our  financial  condition  and  results  of  operations  in
conjunction  with  the  consolidated  financial  statements  and  the  related  notes  to  those  statements  included  later  in  this
Annual Report. In addition to historical financial information, the following discussion contains forward-looking statements
that  reflect  our  plans,  estimates,  beliefs  and  expectations  that  involve  risks  and  uncertainties.  Our  actual  results  and  the
timing of events could differ materially from those discussed in these forward-looking statements. Factors that could cause
or contribute to these differences include those discussed below and elsewhere in this Annual Report, particularly in Part I,
Item 1A. “Risk Factors,” and “Special Note Regarding Forward-Looking Statements.”

Overview

We  are  a  clinical-stage  biopharmaceutical  company  focused  on  developing  novel  drug  candidates  for  immuno-
inflammatory  diseases.    In  addition  to  developing  our  novel  drug  candidates,  we  are  pursuing  strategic  alternatives,
including  identifying  and  consummating  transactions  with  third-party  partners,  to  further  develop,  obtain  marketing
approval for and/or commercialize our novel drug candidates.

Clinical Programs

Zunsemetinib, an Investigational Oral MK2 Inhibitor

We submitted an Investigational New Drug Application, or IND, in April 2019 for zunsemetinib, an investigational
oral, novel, small molecule selective MK2 inhibitor compound, for the treatment of rheumatoid arthritis, which was allowed
by the U.S. Food and Drug Administration, or FDA, in May 2019.  MK2 is a key regulator of pro-inflammatory mediators
including TNFα, IL1β, IL6, IL8, IL17 and other essential pathogenic signals in chronic immuno-inflammatory diseases, as
well as in oncology.  As an oral drug candidate, we are developing zunsemetinib as a potential alternative to injectable anti-
TNF/IL1/IL6  biologics  and  JAK  inhibitors  for  treating  certain  immuno-inflammatory  diseases.  Zunsemetinib  has  been
adopted as the nonproprietary name for ATI-450.

We initiated a Phase 1 single (at 10 mg, 30 mg, 50 mg and 100 mg doses) and multiple ascending (at 10 mg, 30 mg
and 50 mg doses) dose clinical trial evaluating zunsemetinib in 77 healthy subjects in August 2019 (ATI-450-PKPD-101).
Final data from this trial demonstrated that zunsemetinib resulted in marked inhibition of TNFα, IL1β, IL8 and IL6. We also
observed that zunsemetinib had dose-proportional pharmacokinetics with a terminal half-life of 9-12 hours in the multiple
ascending dose cohort, and had no meaningful food effect or drug-drug interaction with methotrexate.  Zunsemetinib was
generally well-tolerated at all doses tested in the trial.  The most common adverse events (reported by 2 or more subjects
who  received  zunsemetinib)  were  dizziness,  headache,  upper  respiratory  tract  infection,  constipation,  abdominal  pain  and
nausea. 

Zunsemetinib  was  also  evaluated  at  80  mg  and  120  mg  doses  twice  daily  in  a  second  Phase  1  clinical  trial  in
healthy  subjects  (ATI-450-PKPD-102).  Final  data  from  this  trial  showed  that  no  dose-limiting  toxicity  was  observed.  Ex
vivo analysis of blood samples from this Phase 1 trial showed that increased cytokine inhibition was achieved with these
higher doses of zunsemetinib relative to doses tested in the first Phase 1 trial. No serious adverse events were reported and
all adverse events were mild to moderate. The most common adverse events (reported by 2 or more subjects who received
zunsemetinib) were headache, dizziness, nausea, parasthesia and, in the post-dosing follow-up period of the trial, dry skin.
These adverse events were all mild in severity.

Moderate to Severe Rheumatoid Arthritis

Following  the  completion  of  the  first  Phase  1  clinical  trial,  in  March  2020  we  initiated  a  12-week,  Phase  2a,
multicenter, randomized, investigator and patient-blind, sponsor-unblinded, parallel group, placebo-controlled clinical trial
to investigate the safety, tolerability, pharmacokinetics and pharmacodynamics of zunsemetinib in subjects with moderate to
severe  rheumatoid  arthritis  (ATI-450-RA-201).  In  the  trial,  which  consisted  of  a  12-week  treatment  period  and  a  4-week
follow-up  period,  19  subjects  were  randomized  in  a  3:1  ratio  and  received  either  zunsemetinib  at  50  mg  twice  daily  or
placebo, in combination with methotrexate, for 12 weeks.

The final per-protocol analysis, which consisted of the 17 subjects who completed the treatment period (15 in the

treatment arm and two in the placebo arm), showed that zunsemetinib demonstrated durable clinical activity, as defined

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by  a  marked  and  sustained  reduction  in  DAS28-CRP  and  improvement  of  ACR20/50/70  responses  over  12  weeks.
Zunsemetinib  was  generally  well  tolerated.  All  adverse  events  were  mild  to  moderate.  The  most  common  adverse  events
(each reported in 2 subjects) were urinary tract infection, or UTI, and ventricular extrasystoles, all of which were determined
to be unrelated to treatment except for one UTI. Two subjects withdrew from the trial during the treatment period, one in the
treatment  arm  and  one  in  the  placebo  arm.  The  subject  in  the  treatment  arm  withdrew  due  to  an  elevated  creatine
phosphokinase, or CPK, level, which was determined by the site investigator to be treatment-related; this subject also had
palpitations  and  ventricular  extrasystoles,  which  were  unrelated  to  the  trial  medication.  The  subject  in  the  placebo  arm
withdrew  as  a  result  of  prohibited  medication  needed  to  treat  muscle  strain.  There  was  also  one  non-treatment-related
serious  adverse  event  (COVID-19)  reported  in  the  4-week  follow-up  period  of  the  trial  in  a  subject  who  was  no  longer
receiving treatment; the subject withdrew during the 4-week follow-up period of the trial.

A  final  analysis,  which  consisted  of  the  17  subjects,  of  ex  vivo  stimulated  cytokines  from  blood  samples  taken
from the treatment arm showed a marked and durable inhibition of TNFα, IL1β, IL6, and IL8 over the 12-week treatment
period. Similarly, analysis of endogenous inflammation biomarkers also demonstrated a marked and sustained inhibition of
median concentrations of hsCRP, TNFα, IL6, IL8 and MIP1β in the treatment arm over the 12-week period.

In  December  2021,  we  initiated  study  activities  in  a  Phase  2b  randomized,  multicenter,  double-blind,  parallel
group,  placebo-controlled,  dose  ranging  trial  to  investigate  the  efficacy,  safety,  tolerability,  pharmacokinetics  and
pharmacodynamics of multiple doses (20 mg and 50 mg twice daily) of zunsemetinib in combination with methotrexate in
subjects  with  moderate  to  severe  rheumatoid  arthritis  (ATI-450-RA-202).  This  trial  will  consist  of  a  12-week  treatment
period and a 30-day follow-up period, and currently seeks to enroll approximately 195 subjects in the United States and in
multiple  countries  in  Europe.  The  primary  endpoint  is  the  proportion  of  subjects  achieving  ACR20  at  week  12.  We
anticipate increasing the size of the patient population to approximately 240 subjects and expect topline data in 2023.

Moderate to Severe Hidradenitis Suppurativa

In  December  2021,  we  initiated  study  activities  in  a  Phase  2a,  randomized,  multicenter,  double-blind,  placebo-
controlled trial to investigate the efficacy, safety, tolerability, pharmacokinetics and pharmacodynamics of zunsemetinib (50
mg twice daily) in subjects with moderate to severe hidradenitis suppurativa (ATI-450-HS-201). This trial will consist of a
12-week treatment period and a 30-day follow-up period, and will seek to enroll approximately 70 subjects in the United
States. The primary endpoint is the change in inflammatory nodule and abscess count at week 12. We expect topline data in
the first half of 2023.

Moderate to Severe Psoriatic Arthritis

We  plan  to  progress  zunsemetinib  (50  mg  twice  daily)  into  a  Phase  2a  trial  in  subjects  with  moderate  to  severe

psoriatic arthritis in the first half of 2022, with topline data expected in the first half of 2023 (ATI-450-PsA-201).

ATI-1777, an Investigational Topical “Soft” JAK 1/3 Inhibitor

In June 2020, we submitted an IND for ATI-1777, an investigational topical “soft” JAK 1/3 inhibitor compound,
for  the  treatment  of  moderate  to  severe  atopic  dermatitis.  “Soft”  JAK  inhibitors  are  designed  to  be  topically  applied  and
active  in  the  skin,  but  rapidly  metabolized  and  inactivated  when  they  enter  the  bloodstream,  which  may  result  in  low
systemic exposure.

In October 2020, we initiated a Phase 2a, multicenter, randomized, double-blind, vehicle-controlled, parallel-group
clinical trial to determine the efficacy, safety, tolerability and pharmacokinetics of ATI-1777 in subjects with moderate to
severe  atopic  dermatitis  (ATI-1777-AD-201).  In  the  trial,  which  consisted  of  a  4-week  treatment  period  and  a  2-week
follow-up  period  during  which  no  treatment  was  given,  50  subjects  with  moderate  to  severe  atopic  dermatitis  were
randomized in a 1:1 ratio into one of two arms: ATI-1777 topical solution 2.0% w/w or vehicle applied twice daily. In June
2021,  we  announced  that  the  trial  achieved  its  primary  endpoint,  which  was  the  percent  change  from  baseline  in  the
modified  Eczema  Area  and  Severity  Index,  or  mEASI,  score  at  week  4,  with  a  high  degree  of  statistical  significance
(p<0.001)  (one-sided  p-value),  which  corresponded  to  a  74.4%  reduction  in  mEASI  score  from  baseline  at  week  4  in
subjects applying ATI-1777 compared to a 41.4% reduction in subjects applying vehicle. The final data was based on the
full  analysis  set,  or  FAS,  which  was  comprised  of  48  subjects  randomized  and  documented  to  have  received  at  least  one
dose of trial medication. Positive trends in favor of ATI-1777 were observed in key secondary efficacy endpoints, such as
improvement in itch, percent of mEASI-50 responders, investigator’s global assessment responder analysis, and reduction

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in body surface area impacted by disease. In addition, the FAS analysis also showed positive trends in favor of ATI-1777 in
percent of mEASI-75 responders (65.2% for ATI-1777 compared to 24.0% for vehicle) and mEASI-90 responders (30.4%
for  ATI-1777  compared  to  20.0%  for  vehicle).  These  secondary  efficacy  endpoints  were  not  powered  for  statistical
significance. Based on an analysis of pharmacokinetic plasma samples in the ATI-1777 arm at multiple timepoints, minimal
systemic exposure was observed which supports a “soft” topical JAK inhibitor approach.

ATI-1777 was generally well tolerated. No serious adverse events were reported. The most common adverse events
(reported in at least 2 subjects in the trial) were increased blood CPK levels and headache in subjects in the ATI-1777 arm
and urinary tract infection (one in each of the ATI-1777 and the vehicle arm); none of these adverse events in the ATI-1777
arm  were  determined  by  the  clinical  trial  investigators  to  be  related  to  ATI-1777.  One  treatment-related  adverse  event,
application site pruritus, was reported in one subject in the ATI-1777 arm.

Based  on  the  results  observed  in  the  Phase  2a  trial,  we  intend  to  progress  ATI-1777  into  a  Phase  2b  trial  in
moderate  to  severe  atopic  dermatitis  in  the  first  half  of  2022.  In  this  trial,  we  plan  to  explore  multiple  concentrations  of
twice daily treatment with ATI-1777 and a single concentration of once daily treatment with ATI-1777, in patients 12 years
and older. We expect topline data in the first half of 2023.

ATI-2138, an Investigational Oral ITJ Inhibitor

We are developing ATI-2138, an investigational oral ITK/TXK/JAK3, or ITJ, inhibitor compound, as a potential
treatment for T cell-mediated autoimmune diseases.  The ITJ compound interrupts T cell signaling through the combined
inhibition of ITK/TXK/JAK3 pathways in lymphocytes. We submitted an IND for ATI-2138 for the treatment of psoriasis in
October 2021, which was allowed by the FDA in November 2021.

In December 2021, we initiated a Phase 1 randomized, observer-blind, placebo-controlled, single ascending dose
trial to investigate the safety, tolerability, pharmacokinetics and pharmacodynamics of ATI-2138 in healthy subjects (ATI-
2138-PKPD-101). We expect topline data in 2022.

If the Phase 1 SAD trial is successful, we currently plan to initiate a two-week Phase 1 multiple ascending dose
trial of ATI-2138 in subjects with psoriasis in 2022, with topline data expected in the first half of 2023. We are also currently
exploring alternative indications to the planned indication that are relevant to the mechanism of action which may impact
the trial design and require the submission of additional INDs to different reviewing divisions of the FDA.

Preclinical Programs

ATI-2231, an Investigational Oral MK2 Inhibitor

We are exploring the use of ATI-2231, an investigational oral MK2 inhibitor compound designed to have a long
half-life,  as  a  potential  treatment  for  pancreatic  cancer  and  metastatic  breast  cancer  as  well  as  in  preventing  bone  loss  in
patients with metastatic breast cancer. IND-enabling studies are currently underway. We expect to submit an IND for ATI-
2231 by the end of 2022. If allowed, we expect to progress ATI-2231 into the clinic in 2023. We are currently evaluating the
clinical development program for this asset, which may include a collaboration with a third party.

Discovery Programs

We  are  developing  oral  gut-biased  JAK  inhibitors  with  limited  systemic  exposure  as  potential  treatments  for
inflammatory bowel disease. In addition, we are engaged in research to identify brain penetrant kinase inhibitor candidates
as potential treatments for neurodegenerative diseases.

Financial Overview

Since  our  inception,  we  have  incurred  significant  net  losses.    Our  net  loss  was  $90.9  million  for  the  year  ended
December  31,  2021  and  $51.0  million  for  the  year  ended  December  31,  2020.    As  of  December  31,  2021,  we  had  an
accumulated  deficit  of  $595.4  million.    We  expect  to  incur  significant  expenses  and  operating  losses  for  the  foreseeable
future  as  we  advance  our  drug  candidates  from  discovery  through  preclinical  and  clinical  development.    In  addition,  our
drug candidates, even if they are approved by regulatory agencies for marketing, may not achieve commercial success.  We
may also not be successful in pursuing strategic alternatives, including identifying and consummating transactions with

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third-party  partners,  to  further  develop,  obtain  marketing  approval  for  and/or  commercialize  our  drug  candidates.
  Furthermore,  we  have  incurred  and  expect  to  continue  to  incur  significant  costs  associated  with  operating  as  a  public
company, including legal, accounting, investor relations and other expenses.  We also expect to add additional personnel to
support our operational plans and strategic direction. As a result, we will need substantial additional funding to support our
continuing operations.

We have historically financed our operations primarily with sales of equity securities and incurring indebtedness in
the form of loans from commercial lenders.  In the near term, we expect to finance our operations through these and other
capital sources, including potential partnerships with other companies or other strategic transactions.  We may be unable to
raise additional funds or enter into such other agreements or arrangements when needed on commercially acceptable terms,
or at all.  If we fail to raise capital or enter into such agreements as, and when, needed, we may have to significantly delay,
scale back or discontinue the development of one or more of our drug candidates.  

Impact of COVID-19 on Our Business

The  impacts  of  the  global  COVID-19  pandemic  continue  to  evolve.  We  have  implemented  a  virtual  operations
strategy, including teleworking, staggered work schedules for lab personnel and other alternative work arrangements for our
employees, intended to protect the health and safety of our employees while enabling us to continue to develop our drug
candidates and provide contract research services to our clients. We are focused on ensuring the continuity of our operations.
However, COVID-19 has caused disruptions to our business.

If  COVID-19  continues  to  spread,  we  may  experience  additional  disruptions  that  could  severely  impact  our
business,  results  of  operations  and  prospects,  including  the  timing  of  our  development  programs  and  our  clinical  trials,
including our trials of zunsemetinib as a potential treatment for moderate to severe rheumatoid arthritis and other immuno-
inflammatory  diseases  and  ATI-1777  as  a  potential  treatment  for  moderate  to  severe  atopic  dermatitis,  and  the  supply  of
active  pharmaceutical  ingredients  and  drug  product  for  our  clinical  trials.  The  extent  to  which  the  COVID-19  pandemic
impacts  our  business,  our  preclinical  and  clinical  development  and  our  regulatory  efforts  will  depend  on  future
developments that are highly uncertain and cannot be predicted, such as the spread of the disease, the introduction of new
variants, the duration of the pandemic, travel restrictions, quarantines, stay-at-home orders, social distancing requirements,
business closures, staffing shortages, and supply chain and other disruptions in the United States and other countries, and the
effectiveness  of  actions  taken  in  the  United  States  and  other  countries  to  contain  and  treat  the  disease,  including  the
administration of vaccines.  Accordingly, we do not yet know the full extent of the potential impacts on our business, our
preclinical and clinical development and regulatory activities.

Acquisition and License Agreements

Agreement and Plan of Merger with Confluence

In August 2017, we entered into an Agreement and Plan of Merger, or the Confluence Agreement, with Confluence
Life  Sciences,  Inc.  (now  known  as  Aclaris  Life  Sciences,  Inc.),  or  Confluence,  Aclaris  Life  Sciences,  Inc.,  our  wholly-
owned subsidiary, or Merger Sub, and Fortis Advisors LLC, as representative of the equity holders of Confluence.  Pursuant
to the terms of the Confluence Agreement, the Merger Sub merged with and into Confluence, with Confluence surviving as
our wholly-owned subsidiary.

Under  the  Confluence  Agreement,  we  agreed  to  pay  the  former  Confluence  equity  holders  aggregate  remaining
contingent  consideration  of  up  to  $75.0  million  based  upon  the  achievement  of  specified  regulatory  and  commercial
milestones set forth in the Confluence Agreement.  In addition, we have agreed to pay the former Confluence equity holders
future  royalty  payments  calculated  as  a  low  single-digit  percentage  of  annual  net  sales,  subject  to  specified  reductions,
limitations and other adjustments, until the date that all of the patent rights for that product have expired, as determined on a
country-by-country and product-by-product basis or, in specified circumstances, ten years from the first commercial sale of
such product.  In addition to the payments described above, if we sell, license or transfer any of the intellectual property
acquired from Confluence pursuant to the Confluence Agreement to a third party, we will be obligated to pay the former
Confluence  equity  holders  a  portion  of  any  consideration  received  from  such  sale,  license  or  transfer  in  specified
circumstances.  

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Asset Purchase Agreement with EPI Health

In October 2019, we entered into an asset purchase agreement with EPI Health, LLC, or EPI Health, pursuant to
which  we  sold  the  worldwide  rights  to  RHOFADE  (oxymetazoline  hydrochloride)  cream,  1%,  or  RHOFADE,  which
included the assignment of certain licenses for related intellectual property assets, or the Disposition.  

Pursuant to the asset purchase agreement, EPI Health paid us closing consideration of $35.2 million.  In addition,
EPI  Health  has  agreed  to  pay  us  (i)  potential  sales  milestone  payments  of  up  to  $20.0  million  in  the  aggregate  upon  the
achievement of specified levels of net sales of products covered by the agreement, (ii) a specified high single-digit royalty
calculated as a percentage of net sales, on a product-by-product and country-by-country basis, until the date that the patent
rights related to a particular product, such as RHOFADE, have expired, provided, that with respect to sales of RHOFADE in
any territory outside of the United States, such royalty shall be paid on a country-by-country basis until the date that the
RHOFADE patent rights in the particular country have expired or, if later, 10 years from the date of the first commercial sale
of RHOFADE in such country and (iii) 25% of any upfront, license, milestone, maintenance or fixed payment received by
EPI Health in connection with any license or sublicense of the assets transferred in the Disposition in any territory outside of
the  United  States,  subject  to  specified  exceptions.    In  addition,  EPI  Health  has  agreed  to  assume  our  obligation  to  pay
specified royalties and milestone payments under certain agreements with third parties.

Components of Our Results of Operations

Revenue

Contract Research

We earn revenue from the provision of laboratory services.  Contract research revenue is generally evidenced by
contracts with clients which are on an agreed upon fixed-price, fee-for-service basis and are generally billed on a monthly
basis in arrears for services rendered.  

Other Revenue

Other  revenue  primarily  consists  of  royalties  earned  on  net  sales  of  RHOFADE  pursuant  to  the  asset  purchase

agreement with EPI Health described above.

Cost of Revenue

Cost of revenue consists of the costs incurred in connection with the provision of contract research services.  Cost

of revenue primarily includes:

● employee-related expenses, which include salaries, benefits and stock-based compensation;
● outsourced professional scientific services;
● depreciation of laboratory equipment;
● facility-related costs; and
● laboratory materials and supplies used to support the services provided.

Research and Development Expenses

Research  and  development  expenses  consist  of  expenses  incurred  in  connection  with  the  discovery  and

development of our drug candidates.  These expenses primarily include:

● expenses incurred under agreements with contract research organizations, or CROs, as well as clinical trial
sites and consultants that conduct our clinical trials and preclinical studies, and investigator-initiated trials;

● manufacturing scale-up expenses and the cost of acquiring and manufacturing active pharmaceutical

ingredients and preclinical and clinical trial materials;
● outsourced professional scientific development services;
● medical affairs expenses related to our drug candidates;
● employee-related expenses, which include salaries, benefits and stock-based compensation;

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● depreciation of manufacturing equipment;
● payments made under agreements with third parties under which we have acquired or licensed intellectual

property;

● expenses relating to regulatory activities, including filing fees paid to regulatory agencies; and
● laboratory materials and supplies used to support our research activities.

Research and development activities are central to our business model.  Drug candidates in later stages of clinical
development generally have higher development costs than those in earlier stages of clinical development, primarily due to
the  increased  size  and  duration  of  later-stage  clinical  trials.  We  expect  to  continue  to  incur  research  and  development
expenses in the near term as we continue the clinical development of zunsemetinib as a potential treatment for moderate to
severe  rheumatoid  arthritis  and  other  immuno-inflammatory  diseases,  ATI-1777  as  a  potential  treatment  for  moderate  to
severe  atopic  dermatitis  and  ATI-2138  as  a  potential  treatment  for  T  cell-mediated  autoimmune  diseases,  continue  the
development of our preclinical compounds, and continue to discover and develop additional drug candidates.  We expense
research and development costs as incurred.  Our direct research and development expenses primarily consist of external
costs including fees paid to CROs, consultants, clinical trial sites, regulatory agencies and third parties that manufacture our
preclinical and clinical trial materials, and are tracked on a program-by-program basis.  We do not allocate personnel costs
or other indirect expenses to specific research and development programs.  

The successful development of our drug candidates is highly uncertain. We cannot reasonably estimate or know the
nature, timing and costs of the efforts that will be necessary to complete the remainder of the development of, or when, if
ever, material net cash inflows may commence from any of our drug candidates. This uncertainty is due to the numerous
risks  and  uncertainties  associated  with  the  duration  and  cost  of  clinical  trials,  which  vary  significantly  over  the  life  of  a
project as a result of many factors, including:

● the number of clinical sites included in the trials;
● the length of time required to enroll suitable subjects;
● the number of subjects that ultimately participate in the trials;
● the number of doses subjects receive;
● the impact on the recruitment, enrollment, conduct and timing of our clinical trials due to the COVID-19

pandemic;

● the duration of subject follow-up; and
● the results of our clinical trials.

Our expenditures are subject to additional uncertainties, including the preparation of regulatory filings for our drug
candidates.   We  may  obtain  unexpected  results  from  our  clinical  trials  or  other  development  activities.   We  may  elect  to
discontinue,  delay  or  modify  the  development,  including  clinical  trials,  of  some  drug  candidates  or  focus  on  others.   A
change  in  the  outcome  of  any  of  these  variables  with  respect  to  the  development  of  a  drug  candidate  could  mean  a
significant change in the costs and timing associated with the development of that drug candidate.  For example, if the FDA
or other regulatory authorities were to require us to conduct clinical trials beyond those that we currently anticipate, or if we
experience significant delays in enrollment in any of our clinical trials, we could be required to expend significant additional
financial resources and time on the completion of clinical development.  

General and Administrative Expenses

General  and  administrative  expenses  consist  principally  of  salaries  and  related  costs,  including  stock-based
compensation, for personnel in executive, administrative, finance and legal functions.  General and administrative expenses
also include facility-related costs, patent filing and prosecution costs, professional fees for legal, auditing and tax services,
investor relations costs, insurance costs and travel expenses.

Revaluation of Contingent Consideration

Revaluation  of  contingent  consideration  consists  of  changes  in  the  fair  value  of  our  contingent  consideration

liability between reporting dates.

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Other Expense, Net

Other expense, net primarily consists of interest earned on our cash, cash equivalents and marketable securities, 

interest expense related to debt obligations, and gains and losses on transactions denominated in foreign currencies.  

Critical Accounting Estimates

Our consolidated financial statements are prepared in accordance with generally accepted accounting principles in
the  United  States.  The  preparation  of  our  consolidated  financial  statements  and  related  disclosures  requires  us  to  make
estimates  and  judgments  that  affect  the  reported  amounts  of  assets  and  liabilities,  disclosure  of  contingent  assets  and
liabilities at the date of the financial statements, and the reported amounts of expenses during the reported period. We base
our estimates on historical experience, known trends and events and various other factors that we believe to be reasonable
under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and
liabilities that are not readily apparent from other sources. We evaluate our estimates and judgments on an ongoing basis.
Our actual results may differ from these estimates under different assumptions and conditions.  

While  our  significant  accounting  policies  are  described  in  more  detail  in  the  notes  to  our  consolidated  financial
statements appearing elsewhere in this Annual Report on Form 10-K, we believe that the following accounting policies are
those most critical to the judgments and estimates used in the preparation of our consolidated financial statements.  

Intangible Assets

Our  intangible  assets  include  both  definite-lived  and  indefinite-lived  assets.    Our  definite-lived  intangible  assets
consist  of  a  drug  discovery  platform  acquired  through  the  acquisition  of  Confluence.    Definite-lived  intangible  assets  are
amortized over their estimated useful life based on the pattern over which the intangible assets are consumed or otherwise
used up.  If that pattern cannot be reliably determined, the straight-line method of amortization is used.  Our indefinite-lived
intangible assets consist of an in-process research and development, or IPR&D, drug candidate also acquired through the
acquisition  of  Confluence.    IPR&D  assets  are  considered  indefinite-lived  until  the  completion  or  abandonment  of  the
associated research and development efforts.  The cost of IPR&D assets is either amortized over their estimated useful life
beginning  when  the  underlying  drug  candidate  is  approved  and  launched  commercially,  or  expensed  immediately  if
development of the drug candidate is abandoned.  

Definite-lived intangible assets are tested for impairment when events or changes in circumstances indicate that the
carrying  value  of  the  asset  may  not  be  recoverable.    Indefinite-lived  intangible  assets  are  tested  for  impairment  at  least
annually, which we perform during the fourth quarter, or when indicators of an impairment are present.  We recognize an
impairment loss when and to the extent that the estimated fair value of an intangible asset is less than its carrying value.  The
fair value of an intangible asset is dependent on significant unobservable inputs including the estimated future cash flows of
the asset.  

There were no impairment losses recorded during the years ended December 31, 2021 and 2020.  

Contingent Consideration

We initially recorded a contingent consideration liability at fair value on the date of acquisition related to future
potential payments resulting from the acquisition of Confluence based upon significant unobservable inputs including the
achievement  of  development,  regulatory  and  commercial  milestones,  as  well  as  estimated  future  sales  levels  and  the
discount  rates  applied  to  calculate  the  present  value  of  the  potential  payments.  Significant  judgement  was  involved  in
determining the appropriateness of these assumptions.  These assumptions are considered Level 3 inputs.  Revaluation of
our contingent consideration liability can result from changes to one or more of these assumptions.  We evaluate the fair
value  estimate  of  our  contingent  consideration  liability  on  a  quarterly  basis  with  changes,  if  any,  recorded  as  income  or
expense  in  our  consolidated  statement  of  operations.    Any  such  changes  could  have  a  material  impact  on  our  financial
results.

The fair value of contingent consideration is estimated using a probability-weighted expected payment model for
regulatory milestone payments and a Monte Carlo simulation model for commercial milestone and royalty payments and
then applying a risk-adjusted discount rate to calculate the present value of the potential payments.  Significant assumptions
used in our estimates include the probability of achieving regulatory milestones and commencing

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commercialization,  which  are  based  on  an  asset’s  current  stage  of  development  and  a  review  of  existing  clinical  data.
 Probability of success assumptions ranged between 10% and 40% at December 31, 2021 compared to between 4% and 15%
at December 31, 2020.  Additionally, estimated future sales levels and the risk-adjusted discount rate applied to the potential
payments are also significant assumptions used in calculating the fair value.  The discount rate ranged between 6.3% and
8.0% depending on the year of each potential payment.

During the year ended December 31, 2021, we updated assumptions for probability of success and estimated future
sales  levels  as  a  result  of  the  completion  of  a  Phase  2a  clinical  trial  of  zunsemetinib  in  subjects  with  moderate  to  severe
rheumatoid arthritis and as a result of the completion of a Phase 2a clinical trial of ATI-1777 in subjects with moderate to
severe atopic dermatitis.  We also included estimated future sales of zunsemetinib as a potential treatment for moderate to
severe  psoriatic  arthritis  and  moderate  to  severe  hidradenitis  suppurativa,  which  are  additional  planned  indications  for
zunsemetinib.  These updates resulted in a charge of $24.3 million during the year ended December 31, 2021.  During the
year  ended  December  31,  2020,  we  updated  assumptions  for  probability  of  success  which  resulted  in  a  charge  of  $2.4
million.  

Stock-Based Compensation

We measure the compensation expense of stock-based awards granted to employees and directors using the grant
date  fair  value  of  the  award.   We  have  issued  stock  options  and  restricted  stock  unit,  or  RSU,  awards  with  service-based
vesting conditions, as well as with performance-based vesting conditions.  We have not issued awards that include market-
based conditions.  For service-based awards, we recognize stock-based compensation expense on a straight-line basis over
the requisite service period.  For performance-based awards, we recognize stock-based compensation expense on a straight-
line basis over the requisite service period beginning in the period that it becomes probable the performance conditions will
occur.  At each balance sheet date, we evaluate whether any performance conditions related to a performance-based award
have  changed.    The  effect  of  any  change  in  performance  conditions  would  be  recognized  as  a  cumulative  catch-up
adjustment in the period such change occurs, and any remaining unrecognized compensation expense would be recognized
on a straight-line basis over the remaining requisite service period.  The impact of forfeitures is recognized in the period in
which they occur.  

We measure the compensation expense of stock-based awards granted to consultants using the grant date fair value

of the award.  We recognize compensation expense over the period during which services are rendered by the consultant.

We estimate the fair value of each stock option grant using the Black-Scholes option-pricing model.  We estimate
expected  volatility  based  on  historical  volatility  of  a  set  of  peer  companies,  which  are  publicly  traded,  and  we  expect  to
continue to do so until we have adequate historical data regarding the volatility of our own publicly-traded stock price.  The
expected  term  of  our  stock  options  has  been  determined  using  the  “simplified”  method  for  awards  that  qualify  as  “plain
vanilla” options. The expected term of stock options we granted to non-employees is equal to the contractual term of the
option award.  The risk-free interest rate is determined by reference to the U.S. Treasury yield curve in effect at the time of
grant of the award for time periods approximately equal to the expected term of the award.  We use an expected dividend
yield of zero because we have not paid cash dividends to date, and have no intention of paying cash dividends in the future.

The fair value of each RSU is measured using the closing price of our common stock on the date of grant.

Income Taxes

Since our inception, we have not recorded U.S. federal or state income tax benefits for the net operating losses we
have  incurred  in  each  year  or  for  our  earned  research  and  development  tax  credits,  due  to  our  uncertainty  of  realizing  a
benefit from those items.

Results of Operations

For  discussion  on  financial  condition  and  results  of  operations  pertaining  to  the  year  ended  December  31,  2020
compared to the year ended December 31, 2019, see our Annual Report on Form 10-K for the year ended December 31,
2020, Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

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Comparison of Years Ended December 31, 2021 and 2020

(In thousands)
Revenues:
     Contract research
Other revenue
        Total revenue

Costs and expenses:
Cost of revenue
Research and development
General and administrative
Revaluation of contingent consideration

Total costs and expenses
Loss from operations

Other expense, net
Loss from continuing operations before income taxes
Income tax benefit
Loss from continuing operations
Income from discontinued operations
Net loss

Revenue

Year Ended December 31, 

2021

2020

Change

$

$

 5,830
 931
 6,761

$

 5,786
 696
 6,482

 44
 235
 279

 4,713
 43,813
 23,619
 24,339
 96,484
 (89,723)

 5,133
 29,338
 20,530
 2,393
 57,394
 (50,912)

 (1,142)
 (90,865)
 —
 (90,865)
 —
 (90,865) $

 (424)
 (51,336)
 (182)
 (51,154)
 139
 (51,015) $

$

 —
 (420)
 14,475
 3,089
 21,946
 39,090
 (38,811)

 (718)
 (39,529)
 182
 (39,711)
 (139)
 (39,850)

Contract  research  revenue  was  $5.8  million  for  each  of  the  years  ended  December  31,  2021  and  2020,  and  was
comprised  of  fees  earned  from  the  provision  of  laboratory  services  to  our  clients.    Other  revenue  for  the  years  ended
December  31,  2021  and  2020  primarily  consisted  of  $0.8  million  and  $0.7  million  of  royalties  earned  on  net  sales  of
RHOFADE, respectively.

Cost of Revenue

Cost of revenue was $4.7 million and $5.1 million for the years ended December 31, 2021 and 2020, respectively,
and  in  each  case  related  to  providing  laboratory  services  to  our  clients.   The  decrease  in  cost  of  revenue  during  the  year
ended  December  31,  2021  compared  to  the  year  ended  December  31,  2020  was  primarily  the  result  of  the  utilization  of
COVID-19 employee-retention tax credits.

Research and Development Expenses

The following table summarizes our research and development expenses by drug candidate or, for unallocated

expenses, by type:

(In thousands)

Zunsemetinib
ATI-1777
ATI-2138
ATI-2231
Discovery
Other research and development
Personnel
Stock-based compensation

Total research and development expenses

Year Ended
December 31, 

2021
 17,887     $

    $

 2,439
 4,114
 2,949
 3,192
 1,568
 7,798
 3,866
 43,813

$

$

2020

Change

 8,268    $
 3,993
 2,412
 —
 2,141
 2,440
 7,165
 2,919
 29,338

$

 9,619
 (1,554)
 1,702
 2,949
 1,051
 (872)
 633
 947
 14,475

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Zunsemetinib

The increase in expenses for zunsemetinib during the year ended December 31, 2021 compared to the year ended
December  31,  2020  was  primarily  due  to  costs  associated  with  drug  candidate  manufacturing  and  clinical  development
activities for a Phase 2b trial in subjects with moderate to severe rheumatoid arthritis and a Phase 2a trial in subjects with
moderate to severe hidradenitis suppurativa, as well as other development activities including toxicology studies.

ATI-1777

The  decrease  in  expenses  for  ATI-1777  during  the  year  ended  December  31,  2021  compared  to  the  year  ended
December  31,  2020  was  primarily  due  to  a  decrease  in  development  costs,  including  toxicology  studies,  as  well  as  a
decrease  in  costs  associated  with  a  Phase  2a  clinical  trial  in  subjects  with  moderate  to  severe  atopic  dermatitis,  which
commenced in 2020 and concluded in 2021.  These decreases were partially offset by startup activities associated with a
Phase 2b clinical trial in subjects with moderate to severe atopic dermatitis.

ATI-2138

Expenses  for  ATI-2138  were  higher  during  the  year  ended  December  31,  2021  compared  to  the  year  ended
December 31, 2020 primarily due to preclinical development activities and IND-enabling studies as we progressed towards
our IND submission in October 2021.  Clinical development expenses associated with a Phase 1 trial of ATI-2138 in healthy
subjects which initiated in December 2021 also contributed to the increase.

ATI-2231

Expenses  for  ATI-2231  were  higher  during  the  year  ended  December  31,  2021  compared  to  the  year  ended

December 31, 2020 primarily due to preclinical development activities and IND-enabling studies.

Discovery and other research and development

Expenses  related  to  discovery  increased  during  the  year  ended  December  31,  2021  compared  to  the  year  ended

December 31, 2020 due to continued investment in our discovery-stage programs.

Other research and development expenses, which primarily include expenses for our legacy dermatology assets and
medical affairs activities, were lower during the year ended December 31, 2021 compared to the year ended December 31,
2020 due to a decrease in costs for our legacy dermatology assets following the decision to discontinue investment in those
programs.

Personnel and stock-based compensation

Compensation related expenses increased during the year ended December 31, 2021 compared to the year ended
December 31, 2020 primarily due to an increase in stock-based compensation expense associated with new equity awards
granted  in  2021  and  personnel  expenses  as  a  result  of  higher  average  headcount,  partially  offset  by  lower  payroll  taxes
resulting from the utilization of COVID-19 employee-retention tax credits.

General and Administrative Expenses

The following table summarizes our general and administrative expenses:

(In thousands)

Personnel
Professional and legal fees
Facility and support services
Other general and administrative
Stock-based compensation

Total general and administrative expenses

69

Year Ended
December 31, 

2021
 4,887     $
 5,249
 1,984
 2,286
 9,213
 23,619

$

2020
 5,671    $
 3,671
 1,743
 2,103
 7,342
 20,530

$

Change

 (784)
 1,578
 241
 183
 1,871
 3,089

     $

$

    
 
 
 
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Personnel and stock-based compensation

Compensation related expenses increased during the year ended December 31, 2021 compared to the year ended
December 31, 2020 primarily due to an increase in stock-based compensation expense associated with new equity awards
granted in 2021, partially offset by a decrease in personnel expenses as a result of lower average headcount.  Compensation
related  expenses  during  the  year  ended  December  31,  2021  also  included  $1.7  million  of  expenses  related  to  severance
resulting from the retirement of our former Chief Legal Officer.

Professional and legal fees

Professional  and  legal  fees,  including  accounting,  investor  relations  and  corporate  communication  costs,  were
higher during the year ended December 31, 2021 compared to the year ended December 31, 2020 primarily as a result of
increased costs associated with Sarbanes-Oxley compliance and other professional fees.

Facility and support services and other general and administrative

Facility and support services, including general office expenses, information technology costs and other expenses,
increased during the year ended December 31, 2021 compared to the year ended December 31, 2020 primarily due to an
increase in information technology costs and infrastructure technology improvements.

Other general and administrative expenses increased during the year ended December 31, 2021 compared to the
year ended December 31, 2020 primarily due to an increase in insurance premiums resulting from additional coverage in
2021 as compared to the prior year.

Revaluation of Contingent Consideration

The increase in revaluation of contingent consideration during the year ended December 31, 2021 compared to the
year ended December 31, 2020 primarily resulted from updates to the probability of success and estimated future sales level
assumptions as a result of the completion of a Phase 2a clinical trial of zunsemetinib in subjects with moderate to severe
rheumatoid arthritis, as well as the completion of a Phase 2a clinical trial of ATI-1777 in subjects with moderate to severe
atopic dermatitis.  Additionally, the inclusion of estimated future sales of zunsemetinib as a potential treatment for moderate
to  severe  psoriatic  arthritis  and  moderate  to  severe  hidradenitis  suppurativa,  which  are  additional  planned  indications  for
zunsemetinib, also contributed to the increase.

Other Expense, net

Other expense, net increased during the year ended December 31, 2021 compared to the year ended December 31,
2020 primarily due to interest and fees associated with a payoff of the Loan and Security Agreement with Silicon  Valley
Bank, or SVB, as well as lower interest income.

Liquidity and Capital Resources

Overview

Since  our  inception,  we  have  incurred  net  losses  and  negative  cash  flows  from  our  operations.    Prior  to  our
acquisition of Confluence in August 2017, we did not generate any revenue.  We have financed our operations over the last
several  years  primarily  through  sales  of  our  equity  securities  and  incurring  indebtedness  in  the  form  of  loans  from
commercial lenders.  We may engage in additional debt and equity financing transactions in order to raise funds.  We may
receive  royalties  and  milestone  payments  from  EPI  Health  in  connection  with  the  sale  of  RHOFADE.  In  addition,  to  the
extent  we  are  able  to  consummate  transactions  with  potential  third-party  partners  to  further  develop,  obtain  marketing
approval for and/or commercialize our drug candidates, we may receive upfront payments, milestone payments or royalties
from such arrangements that would increase our liquidity.

As  of  December  31,  2021,  we  had  cash,  cash  equivalents  and  marketable  securities  of  $225.7  million.    Cash  in
excess  of  immediate  requirements  is  invested  in  accordance  with  our  investment  policy,  primarily  with  a  view  towards
liquidity and capital preservation.  

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We  currently  have  no  ongoing  material  financing  commitments,  such  as  lines  of  credit  or  guarantees,  that  are
expected  to  affect  our  liquidity,  other  than  our  contingent  obligations  under  the  Confluence  Agreement,  which  is
summarized above under “Overview—Acquisition and License Agreements,” and our lease obligations.

Equity Financing

January 2021 Public Offering

In January 2021, we closed a public offering in which we sold 6,306,271 shares of common stock at a price to the
public  of  $17.50  per  share,  for  aggregate  gross  proceeds  of  $110.4  million.  We  paid  underwriting  discounts  and
commissions of $6.6 million, and also incurred expenses of $0.4 million in connection with the offering.  As a result, the net
offering proceeds received by us, after deducting underwriting discounts, commissions and offering expenses, were $103.3
million.

June 2021 Public Offering

In June 2021, we closed a public offering in which we sold 8,098,592 shares of common stock at a price to the
public  of  $17.75  per  share,  for  aggregate  gross  proceeds  of  $143.8  million.  We  paid  underwriting  discounts  and
commissions of $8.6 million, and also incurred expenses of $0.3 million in connection with the offering.  As a result, the net
offering proceeds received by us, after deducting underwriting discounts, commissions and offering expenses, were $134.9
million.

Equity Purchase Agreement with Lincoln Park Capital Fund, LLC  

In  August  2020,  we  entered  into  a  purchase  agreement,  or  the  Purchase  Agreement,  with  Lincoln  Park  Capital
Fund,  LLC,  or  Lincoln  Park,  which  provided  that,  upon  the  terms  and  subject  to  the  conditions  and  limitations  set  forth
therein, we could sell to Lincoln Park, at our discretion, up to $15.0 million of shares of our common stock over the 36-
month  term  of  the  Purchase  Agreement.  Upon  execution  of  the  Purchase  Agreement,  we  issued  121,584  shares  of  our
common  stock  to  Lincoln  Park  as  commitment  shares  in  accordance  with  the  closing  conditions  contained  within  the
Purchase  Agreement.  The  commitment  shares  were  valued  using  the  closing  price  of  our  common  stock  on  the  effective
date of the Purchase Agreement resulting in an aggregate fair value of $0.3 million. Through December 31, 2020, we sold
2,111,170 shares of our common stock to Lincoln Park under the Purchase Agreement for net proceeds of $7.7 million.  We
terminated  the  Purchase  Agreement  in  January  2021  in  connection  with  the  public  offering  of  common  stock  described
above. We did not sell any additional shares prior to terminating the Purchase Agreement.

Debt Financing

Loan and Security Agreement with Silicon Valley Bank  

In  March  2020,  we  entered  into  a  Loan  and  Security  Agreement  with  SVB.   The  Loan  and  Security  Agreement
provided for $11.0 million in term loans, of which we borrowed the entire amount on March 30, 2020.  In July 2021, we
repaid in full the $11.0 million that was outstanding under the Loan and Security Agreement, together with all accrued and
unpaid interest and fees as of the payoff date, for a total payment of $11.7 million.

Loan and Security Agreement with Oxford Finance LLC

In  October  2018,  we  entered  into  a  Loan  and  Security  Agreement  with  Oxford  Finance  LLC.    The  Loan  and
Security  Agreement  provided  for  up  to  $65.0  million  in  term  loans,  of  we  borrowed  $30.0  million  in  October  2018.    In
October 2019, we repaid in full the $30.0 million that was outstanding under the Loan and Security Agreement, together
with all accrued and unpaid interest and fees as of the payoff date, for a total payment of $32.4 million.

Cash Flows

Cash and cash equivalents were $27.3 million as of December 31, 2021 compared to $22.1 million as of December
31, 2020.  We also had $198.3 million in short- and long-term marketable securities as of December 31, 2021 compared to
$32.1 million as of December 31, 2020.

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The sources and uses of cash that contributed to the change in cash and cash equivalents were:

(In thousands)
Cash and cash equivalents beginning balance
Net cash used in operating activities
Net cash provided by (used in) investing activities
Net cash provided by financing activities
Cash and cash equivalents ending balance

Operating Activities

Cash flow related to operating activities was the result of:

(In thousands)
Net loss
Non-cash adjustments to reconcile net loss to net cash used in operating activities
Change in accounts payable and accrued expenses
Change in accounts receivable
Change in prepaid expenses and other assets
Net cash used in operating activities

Year Ended
December 31, 

2021
 22,063
 (52,134)
 (167,632)
 225,052
 27,349

$

$

2020
 35,937
 (38,633)
 6,387
 18,372
 22,063

Year Ended
December 31, 

2021
 (90,865)
 40,074
 4,125
 149
 (5,617)
 (52,134)

$

$

2020
 (51,015)
 14,742
 (8,947)
 4,898
 1,689
 (38,633)

$

$

$

$

Net cash used in operating activities increased for the year ended December 31, 2021 compared to the year ended
December 31, 2020 primarily as a result of higher net losses after adjusting for revaluation of contingent consideration and
other  non-cash  items,  an  increase  in  cash  paid  for  prepaid  expenses,  and  a  reduction  of  cash  collected  from  outstanding
accounts receivable.    The  increase  was  partially  offset  by  a  decrease  in  cash  paid  to  settle  outstanding  accounts  payable
balances.

The  change  in  prepaid  expenses  and  other  assets  was  the  result  of  higher  prepaid  research  and  development
balances  relative  to  the  prior  year  period  primarily  associated  with  drug  candidate  manufacturing,  clinical  trial  and
preclinical development activities for zunsemetinib, ATI-1777 and ATI-2138.  The change in accounts payable and accrued
expenses was primarily driven by the timing of receipt and payment of invoices around year-end relative to the prior-year
period.  The change in accounts receivable was primarily the result of cash received during the year ended December 31,
2020  from  Allergan  Sales,  LLC  related  to  sales  of  RHOFADE  that  occurred  after  the  date  we  sold  RHOFADE  to  EPI
Health.  

Investing Activities

Cash flow related to investing activities was the result of:

(In thousands)
Purchases of property and equipment
Purchases of marketable securities
Proceeds from sales and maturities of marketable securities
Net cash provided by (used in) investing activities

Year Ended
December 31, 

2021

$

 (308)
 (235,153)
 67,829
$  (167,632)

$

$

2020

 (453)
 (47,714)
 54,554
 6,387

The change in net cash used in investing activities for the year ended December 31, 2021 compared to net cash
provided  by  investing  activities  for  the  year  ended  December  31,  2020  primarily  resulted  from  purchases  of  marketable
securities following our January 2021 and June 2021 public offerings.

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Financing Activities

Cash flow related to financing activities was the result of:

(In thousands)
Proceeds from issuance of common stock in connection with public offerings, net of
issuance costs
Proceeds from debt financing (including warrants), net of issuance costs
Repayment of debt
Restricted stock unit employee tax withholdings
Finance lease payments
Deferred issuance costs
Proceeds from exercise of employee stock options and the issuance of stock
Net cash provided by financing activities

Year Ended
December 31, 

2021

2020

$

 238,200

$
 —  

 (11,483)
 (3,124)
 —
 —
 1,459
 225,052

$

$

 7,737
 10,913
 —
 —
 (137)
 (211)
 70
 18,372

Cash provided by financing activities increased for the year ended December 31, 2021 compared to December 31,
2020 primarily due to our January 2021 and June 2021 public offerings.  The increase was partially offset by a decrease in
proceeds  from  debt  financing,  an  increase  in  debt  repayments,  and  an  increase  in  cash  used  for  tax  withholdings  in
connection with the vesting of restricted stock units.

Funding Requirements

We anticipate we will incur net losses in the near term as we continue the clinical development of zunsemetinib as
a potential treatment for moderate to severe rheumatoid arthritis and other immuno-inflammatory diseases, ATI-1777 as a
potential  treatment  for  moderate  to  severe  atopic  dermatitis  and  ATI-2138  as  a  potential  treatment  for  T  cell-mediated
autoimmune  diseases,  continue  the  development  of  our  preclinical  compounds,  and  continue  to  discover  and  develop
additional drug candidates.  We may not be able to generate revenue from these programs if, among other things, our clinical
trials are not successful, the FDA does not approve our drug candidates currently in clinical trials when we expect, or at all,
or we are not able to identify and consummate transactions with third-party partners to further develop, obtain marketing
approval for and/or commercialize our drug candidates.  

Our  primary  uses  of  capital  are,  and  we  expect  will  continue  to  be,  compensation  and  related  expenses,  clinical
costs, external research and development services, laboratory and related supplies, legal and other regulatory expenses, and
administrative  and  overhead  costs.    We  expect  to  add  additional  personnel  to  support  our  operational  plans  and  strategic
direction. Our future funding requirements will be heavily determined by the resources needed to support the development
of our drug candidates.  

As a publicly traded company, we incur and will continue to incur significant legal, accounting and other similar
expenses.  In addition, the Sarbanes-Oxley Act of 2002, as well as rules adopted by the SEC and the Nasdaq Stock Market
LLC, requires public companies to implement specified corporate governance practices that could increase our compliance
costs.  

We believe our existing cash, cash equivalents and marketable securities are sufficient to fund our operating and
capital expenditure requirements for a period greater than 12 months from the date of issuance of our consolidated financial
statements that appear in Item 8 of this Annual Report on Form 10-K based on our current operating assumptions.  We will
require  additional  capital  to  complete  the  clinical  development  of  zunsemetinib,  ATI-1777  and  ATI-2138,  to  develop  our
preclinical compounds, and to support our discovery efforts.  Additional funds may not be available on a timely basis, on
commercially  acceptable  terms,  or  at  all,  and  such  funds,  if  raised,  may  not  be  sufficient  to  enable  us  to  continue  to
implement our long-term business strategy. Our ability to raise additional capital may be adversely impacted by potential
worsening global economic conditions and the recent disruptions to, and volatility in, the credit and financial markets in the
United States and worldwide resulting from the ongoing COVID-19 pandemic. If we are unable to raise sufficient additional
capital  or  generate  revenue  from  transactions  with  potential  third-party  partners  for  the  development  and/or
commercialization of our drug candidates, we may need to substantially curtail our planned operations.  

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We may raise additional capital through the sale of equity or debt securities. In such an event, our stockholders’
ownership will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect
the rights of a holder of our common stock.

Because  of  the  numerous  risks  and  uncertainties  associated  with  research  and  development  of  pharmaceutical
drugs,  we  are  unable  to  estimate  the  exact  amount  of  our  working  capital  requirements.  Our  funding  requirements  in  the
near term will depend on many factors, including:

● the number and development requirements of the drug candidates that we may pursue;
● the scope, progress, results and costs of preclinical development, laboratory testing and conducting preclinical and

clinical trials for our drug candidates;

● the costs, timing and outcome of regulatory review of our drug candidates;
● the extent to which we in-license or acquire additional drug candidates and technologies;
● the  costs  and  timing  of  preparing,  filing  and  prosecuting  patent  applications,  maintaining  and  enforcing  our

intellectual property rights and defending any intellectual property-related claims;

● the impact on the timing of our preclinical studies, the recruitment, enrollment, conduct and timing of our clinical

trials and our business due to the COVID-19 pandemic;

● our ability to identify and consummate transactions with third-party partners to further develop, obtain marketing

approval for and/or commercialize our drug candidates; and

● our ability to earn revenue as a result of licenses to, or partnerships or other arrangements with, third parties.

See “Risk Factors” for additional risks associated with our substantial capital requirements.

Leases

We  occupy  space  for  our  headquarters  in  Wayne,  Pennsylvania  under  a  sublease  agreement  which  has  a  term
through October 2023.  In December 2020, we entered into a sub-sublease agreement under which we sub-subleased 8,115
square feet.  The sub-sublease term runs concurrently with the original sublease agreement. We occupy office and laboratory
space  in  St.  Louis,  Missouri  under  a  sublease  agreement  which  has  a  term  through  June  2029.  Our  aggregate  remaining
lease payment obligations for these two spaces was $3.8 million as of December 31, 2021.

Agreement and Plan of Merger – Confluence

In August 2017, we entered into the Confluence Agreement, pursuant to which we acquired Confluence. Under the
Confluence  Agreement,  we  agreed  to  pay  the  former  Confluence  equity  holders  aggregate  remaining  contingent
consideration  of  up  to  $75.0  million  based  upon  the  achievement  of  specified  regulatory  and  commercial  milestones  set
forth in the Confluence Agreement.  In addition, we have agreed to pay the former Confluence equity holders future royalty
payments  calculated  as  a  low  single-digit  percentage  of  annual  net  sales,  subject  to  specified  reductions,  limitations  and
other adjustments, until the date that all of the patent rights for that product have expired, as determined on a country-by-
country  and  product-by-product  basis  or,  in  specified  circumstances,  ten  years  from  the  first  commercial  sale  of  such
product.  In addition to the payments described above, if we sell, license or transfer any of the intellectual property acquired
from Confluence pursuant to the Confluence Agreement to a third party, we will be obligated to pay the former Confluence
equity holders a portion of any consideration received from such sale, license or transfer in specified circumstances.  

R&D Obligations

We  enter  into  contracts  in  the  normal  course  of  business  with  CROs,  contract  manufacturing  organizations  and
other service providers for clinical trials, preclinical studies and testing, manufacturing and other services and products for
operating purposes. These contracts generally provide for termination upon notice, and therefore we believe that our non-
cancelable obligations under these agreements are not material.

Segment Information

We  have  two  reportable  segments,  therapeutics  and  contract  research.    The  therapeutics  segment  is  focused  on
identifying and developing innovative therapies to address significant unmet needs for immuno-inflammatory diseases.  The
contract research segment earns revenue from the provision of laboratory services.

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Recently Issued Accounting Pronouncements

In November 2018, the Financial Accounting Standards Board, or FASB, issued Accounting Standards Update, or
ASU,  2018-18,  Collaborative  Arrangements  (Topic  808):    Clarifying  the  Interaction  Between  Topic  808  and  Topic  606,
which,  among  other  things,  provides  guidance  on  how  to  assess  whether  certain  collaborative  arrangement  transactions
should  be  accounted  for  under  Topic  606.    We  adopted  this  standard  as  of  January  1,  2020,  the  impact  of  which  on  our
consolidated financial statements was not significant.  

In  August  2018,  the  FASB  issued  ASU  2018-15,  Intangibles—Goodwill  and  Other—Internal-Use  Software
(Subtopic 350-40).  ASU 2018-15 requires a customer in a cloud computing arrangement that is a service contract to follow
the  internal-use  software  guidance  in  Accounting  Standards  Codification,  or  ASC,  350-40  to  determine  which
implementation  costs  to  capitalize  as  assets  or  expense  as  incurred.   We  adopted  this  standard  as  of  January  1,  2020,  the
impact of which on our consolidated financial statements was not significant.    

In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820).  The FASB developed the
amendments to ASC 820 as part of its broader disclosure framework project, which aims to improve the effectiveness of
disclosures in the notes to financial statements by focusing on requirements that clearly communicate the most important
information  to  users  of  the  financial  statements.    This  update  eliminates  certain  disclosure  requirements  for  fair  value
measurements for all entities, requires public entities to disclose certain new information and modifies some of the existing
disclosure requirements.  We adopted this standard as of January 1, 2020, the impact of which on our consolidated financial
statements was not significant.

Item 7A. Quantitative and Qualitative Disclosures about Market Risk

Our  cash  equivalents  and  marketable  securities  consist  of  money  market  funds,  asset-backed  debt  securities,
commercial paper, corporate debt securities and U.S. government agency debt securities. Our primary exposure to market
risk  is  interest  rate  sensitivity,  which  is  affected  by  changes  in  the  general  level  of  U.S.  interest  rates.    Our  marketable
securities are subject to interest rate risk and will fall in value if market interest rates increase.  However, due to the short-
term  nature  and  low-risk  profile  of  our  investment  portfolio,  we  do  not  expect  that  an  immediate  10%  change  in  market
interest rates would have a material effect on the fair market value of our investment portfolio.  We have the ability to hold
our marketable securities until maturity, and therefore we would not expect our operating results or cash flows to be affected
to any significant degree by the effect of a change in market interest rates on our investments.

The uncertainty that exists with respect to the economic impact of the global COVID-19 pandemic has introduced

significant volatility in the financial markets during and subsequent to the year ended December 31, 2021.

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Item 8. Financial Statements and Supplementary Data

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

Report of Independent Registered Public Accounting Firm (PCAOB ID 238)

Consolidated Balance Sheets as of December 31, 2021 and 2020

Consolidated Statements of Operations and Comprehensive Loss for the years ended December 31, 2021, 2020 and

2019

Consolidated Statements of Stockholders’ Equity for the years ended December 31, 2021, 2020 and 2019

Consolidated Statements of Cash Flows for the years ended December 31, 2021, 2020 and 2019

Notes to Consolidated Financial Statements

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Report of Independent Registered Public Accounting Firm

To the Board of Directors and Stockholders of Aclaris Therapeutics, Inc.

Opinions on the Financial Statements and Internal Control over Financial Reporting

We have audited the accompanying consolidated balance sheets of Aclaris Therapeutics, Inc. and its subsidiaries (the
“Company”) as of December 31, 2021 and 2020, and the related consolidated statements of operations and comprehensive
loss, of stockholders' equity and of cash flows for each of the three years in the period ended December 31, 2021, including
the related notes (collectively referred to as the “consolidated financial statements”). We also have audited the Company's
internal control over financial reporting as of December 31, 2021, based on criteria established in Internal Control -
Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial
position of the Company as of December 31, 2021 and 2020, and the results of its operations and its cash flows for each of
the three years in the period ended December 31, 2021 in conformity with accounting principles generally accepted in the
United States of America. Also in our opinion, the Company maintained, in all material respects, effective internal control
over financial reporting as of December 31, 2021, based on criteria established in Internal Control - Integrated Framework
(2013) issued by the COSO.

Basis for Opinions

The Company's management is responsible for these consolidated financial statements, for maintaining effective internal
control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting,
included in Management’s Report on Internal Control over Financial Reporting appearing under Item 9A. Our responsibility
is to express opinions on the Company’s consolidated financial statements and on the Company's internal control over
financial reporting based on our audits. We are a public accounting firm registered with the Public Company Accounting
Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance
with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission
and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform
the audits to obtain reasonable assurance about whether the consolidated financial statements are free of material
misstatement, whether due to error or fraud, and whether effective internal control over financial reporting was maintained
in all material respects.

Our audits of the consolidated financial statements included performing procedures to assess the risks of material
misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that
respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures
in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant
estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. Our
audit of internal control over financial reporting included obtaining an understanding of internal control over financial
reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating
effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we
considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the
reliability of financial reporting and the preparation of financial statements for external purposes in accordance with
generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and
procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the
transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as
necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and
that receipts and expenditures of the company are being made only in accordance with authorizations of management and
directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized
acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

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Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also,
projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate
because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Critical Audit Matters

The critical audit matter communicated below is a matter arising from the current period audit of the consolidated financial
statements that was communicated or required to be communicated to the audit committee and that (i) relates to accounts or
disclosures that are material to the consolidated financial statements and (ii) involved our especially challenging, subjective,
or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the
consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below,
providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

Fair Value of the Contingent Consideration Liability related to zunsemetinib

As described in Notes 2 and 4 to the consolidated financial statements, the Company’s contingent consideration balance was 
$28.4 million as of December 31, 2021, of which a significant portion of the liability relates to zunsemetinib. Management 
initially recorded a contingent consideration liability at fair value on the date of acquisition related to future potential 
payments resulting from the acquisition of Confluence based upon significant unobservable inputs including the 
achievement of development, regulatory and commercial milestones, as well as estimated future projected sales levels and 
the discount rates applied to calculate the present value of the potential payments. Management evaluates fair value 
estimates of the contingent consideration liability on a quarterly basis using a probability-weighted expected payment model 
for regulatory milestone payments and a Monte Carlo simulation model for commercial milestone and royalty payments and 
then applying a risk-adjusted discount rate to calculate the present value of the potential payment. Changes in the fair value 
of the contingent consideration are recorded as income or expense in the Company’s consolidated statement of operations 
and comprehensive loss. Significant assumptions used in management’s estimates include the probability of achieving 
regulatory milestones and commencing commercialization, which are based upon an asset’s current stage of development 
and review of existing clinical data.     

The principal considerations for our determination that performing procedures relating to the fair value of the contingent 
consideration liability related to zunsemetinib is a critical audit matter are (i) the significant judgment by management, 
when developing the fair value estimate, which in turn led to (ii) a high degree of auditor judgment, subjectivity and effort 
in performing procedures and evaluating management’s significant assumptions related to the probability of achieving 
regulatory milestones and commencing commercialization. In addition, the audit effort involved the use of professionals 
with specialized skill and knowledge.    

Addressing the matter involved performing procedures and evaluating audit evidence in connection with forming our overall 
opinion on the consolidated financial statements. These procedures included testing the effectiveness of controls relating to 
management’s contingent consideration evaluation, including controls over the valuation of the Company’s contingent 
consideration liability related to zunsemetinib. These procedures also included, among others, (i) testing management’s 
process for developing the fair value of the contingent consideration liability, (ii) evaluating the appropriateness of the 
probability-weighted expected payment and Monte Carlo simulation valuation models, (iii) testing the completeness and 
accuracy of the underlying data used in the models, and (iv) evaluating the reasonableness of the significant assumptions 
used by management related to the probability of achieving regulatory  milestones and commencing commercialization. 
Evaluating management’s assumptions related to the probability of achieving regulatory milestones and commencing 
commercialization involved evaluating whether the assumptions were reasonable considering the agreements associated 
with the transaction as well as the consistency with industry information, the stage of product development and whether the 
assumptions were consistent with evidence obtained in other areas of the audit.  Professionals with specialized skill and 
knowledge were used to assist in the evaluation of the Company’s probability-weighted expected payment and Monte Carlo 
simulation valuation models.            

/s/ PricewaterhouseCoopers LLP
Philadelphia, Pennsylvania
February 24, 2022

We have served as the Company’s auditor since 2015.

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ACLARIS THERAPEUTICS, INC.
CONSOLIDATED BALANCE SHEETS

(In thousands, except share and per share data)

Assets
Current assets:

Cash and cash equivalents
Short-term marketable securities
Accounts receivable, net
Prepaid expenses and other current assets

Total current assets

Marketable securities
Property and equipment, net
Intangible assets
Other assets

Total assets

Liabilities and Stockholders’ Equity
Current liabilities:

Accounts payable
Accrued expenses
Current portion of lease liabilities
Discontinued operations - current liabilities

Total current liabilities

Other liabilities
Long-term debt, net
Contingent consideration
Deferred tax liability

Total liabilities

Commitments and contingencies (Note 20)
Stockholders’ Equity:

Preferred stock, $0.00001 par value; 10,000,000 shares authorized and no shares issued
or outstanding at December 31, 2021 and December 31, 2020
Common stock, $0.00001 par value; 100,000,000 shares authorized at
December 31, 2021 and December 31, 2020; 61,228,446 and 45,109,314 shares issued
and outstanding at December 31, 2021 and December 31, 2020, respectively
Additional paid‑in capital
Accumulated other comprehensive loss
Accumulated deficit

Total stockholders’ equity
Total liabilities and stockholders’ equity

     December 31, 

2021

December 31,   
2020

$

$

$

$

$

$

27,349
164,065
623
12,995
205,032
34,242
1,335
7,048
3,554
251,211

9,985
10,051
693
2,202
22,931
2,172
—
28,400
367
53,870

22,063
32,068
772
2,590
57,493
—
1,654
7,123
4,514
70,784

5,254
5,906
603
3,111
14,874
3,179
10,653
4,061
367
33,134

—

—

1
792,971
(224)
(595,407)
197,341
251,211

—
542,286
(94)
(504,542)
37,650
70,784

$

$

The accompanying notes are an integral part of these consolidated financial statements.

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ACLARIS THERAPEUTICS, INC.
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS

(In thousands, except share and per share data)

Revenues:

Contract research
Other revenue

Total revenue

Costs and expenses:
Cost of revenue
Research and development
General and administrative
Revaluation of contingent consideration
Goodwill impairment
Total costs and expenses
Loss from operations

Other expense, net
Loss from continuing operations before income taxes
Income tax benefit
Loss from continuing operations
Income (loss) from discontinued operations, net of tax
Net loss

Net loss per share, basic and diluted
Weighted average common shares outstanding, basic and diluted

Other comprehensive income (loss):

Unrealized gain (loss) on marketable securities, net of tax of $0
Foreign currency translation adjustment

Total other comprehensive income (loss)

Comprehensive loss

Year Ended
December 31, 
2020

2019

2021

$

$

5,830
931
6,761

$

5,786
696
6,482

4,227
—
4,227

4,713
43,813
23,619
24,339
—
96,484
(89,723)

5,133
29,338
20,530
2,393
—
57,394
(50,912)

(1,142)
(90,865)
—
(90,865)
—
(90,865) $

(424)
(51,336)
(182)
(51,154)
139
(51,015) $

$

4,055
64,165
27,827
734
18,504
115,285
(111,058)

(2,484)
(113,542)
—
(113,542)
(47,812)
(161,354)

(1.60) $

$
  56,730,583

(1.20) $

(3.90)
  41,323,921

  42,539,293

$

$

(229) $
99
(130)
(90,995) $

(2) $

(26)
(28)
(51,043) $

28
(25)
3
(161,351)

The accompanying notes are an integral part of these consolidated financial statements.

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ACLARIS THERAPEUTICS, INC.
CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(In thousands, except share data)

Balance at December 31, 2018

Exercise of stock options and vesting of restricted stock units
Unrealized gain on marketable securities
Foreign currency translation adjustment
Stock-based compensation expense
Net loss  

Balance at December 31, 2019

Issuance of common stock in connection with exercise of stock
options and vesting of restricted stock units
Issuance of common stock in connection with an equity
purchase agreement, net of offering costs of $168
Unrealized loss on marketable securities
Foreign currency translation adjustment
Stock-based compensation expense
Net loss  

Balance at December 31, 2020

Issuance of common stock in connection with exercise of stock
options and warrants and vesting of restricted stock units
Issuance of common stock in connection with public offering,
net of offering costs of $15,910
Unrealized loss on marketable securities
Foreign currency translation adjustment
Stock-based compensation expense
Net loss  

Balance at December 31, 2021

Common Stock

Par
   Value   

Additional
Paid‑in
Capital

  Shares 
41,210,725
274,913
—
—
—
—
41,485,638

$ — $
—
—
—
—
—
$ — $

507,366
(38)
—
—
16,177
—
523,505

Accumulated
Other

Total

$

Loss

Equity

Comprehensive Accumulated Stockholders’  
Deficit
(292,173) $
—  
—
—
—
(161,354)
(453,527) $

215,124
(38)
28
(25)
16,177
(161,354)
69,912

(69) $
—
28
(25)
—
—
(66) $

$

1,390,922

—

(669)

—

—

2,232,754
—
—
—
—
45,109,314

1,714,269

14,404,863
—
—
—
—
61,228,446

—
—
—
—
$ — $

—

1
—
—
—
—
1

$

$

7,865
378
—
11,207
—
542,286

(1,574)

238,199
—
—
14,060
—
792,971

$

$

(2)
(26)
—
—
(94) $

—

—
(229)
99
—
—
(224) $

—
—
—
(51,015)
(504,542) $

—

—
—
—
—
(90,865)
(595,407) $

(669)

7,865
376
(26)
11,207
(51,015)
37,650

(1,574)

238,200
(229)
99
14,060
(90,865)
197,341

The accompanying notes are an integral part of these consolidated financial statements.

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ACLARIS THERAPEUTICS, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

Cash flows from operating activities:

Net loss
Adjustments to reconcile net loss to net cash used in operating activities:

Depreciation and amortization
Stock-based compensation expense
Revaluation of contingent consideration
Goodwill impairment charge
Intangible asset impairment charge
Gain on sale of RHOFADE
Loss on extinguishment of debt
Deferred taxes

Changes in operating assets and liabilities:

   Accounts receivable

Prepaid expenses and other assets
Accounts payable
Accrued expenses

Net cash used in operating activities

Cash flows from investing activities:
Purchases of property and equipment
Disposition of RHOFADE
Purchases of marketable securities
Proceeds from sales and maturities of marketable securities

Net cash provided by (used in) investing activities

Cash flows from financing activities:

Proceeds from issuance of common stock in connection with public offerings, net of issuance costs
Proceeds from issuance of common stock in connection with an equity purchase agreement, net of
issuance costs
Proceeds from debt financing (including warrants), net of issuance costs
Repayment of debt
Restricted stock unit employee tax withholdings
Finance lease payments
Deferred issuance costs
Proceeds from exercise of employee stock options and the issuance of stock

Net cash provided by (used in) financing activities

Net increase (decrease) in cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash at beginning of period
Cash, cash equivalents and restricted cash at end of period

Supplemental disclosure of non-cash investing and financing activities:

Additions to property and equipment included in accounts payable
Fair value of warrants issued in connection with debt financing
Operating lease asset recorded as a result of new accounting standard
Fair value of common stock issued in connection with an equity purchase agreement

$

$
$
$
$

Year Ended
December 31, 
2020

2019

2021

$

(90,865)

$

(51,015)

$

(161,354)

923
14,060
24,339
—
—  
—
752
—

149
(5,617)
3,655
470
(52,134)

(308)
—
(235,153)
67,829
(167,632)

238,200

—
—
(11,483)
(3,124)
—
—
1,459
225,052
5,286
22,063
27,349

1,324
11,207
2,393
—
—
—
—
(182)

4,898
1,689
(5,219)
(3,728)
(38,633)

(453)
—
(47,714)
54,554
6,387

6,409
16,177
734
18,504
27,638
(1,850)
—
—

(809)
3,233
(3,160)
(1,967)
(96,445)

(1,613)
34,186
(137,385)
210,491
105,679

—

—

7,737
10,913
—
—
(137)
(211)
70
18,372
(13,874)
35,937
22,063

$

—
—
(30,000)
—
(523)
—
207
(30,316)
(21,082)
57,019
35,937

$

143
$
— $
— $
— $

— $
378
$
— $
$
263

124
—
2,132
—

The accompanying notes are an integral part of these consolidated financial statements.

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ACLARIS THERAPEUTICS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1. Organization and Nature of Business

Overview

Aclaris Therapeutics, Inc. was incorporated under the laws of the State of Delaware in 2012.  In July 2015, Aclaris
Therapeutics  International  Limited  (“ATIL”)  was  established  under  the  laws  of  the  United  Kingdom  as  a  wholly-owned
subsidiary  of  Aclaris  Therapeutics,  Inc.  In  August  2017,  Confluence  Life  Sciences,  Inc.  (now  known  as  Aclaris  Life
Sciences, Inc.) (“Confluence”) was acquired by Aclaris Therapeutics, Inc. and became a wholly-owned subsidiary thereof.
 Aclaris Therapeutics, Inc., ATIL and Confluence are referred to collectively as the “Company.”  The Company is a clinical-
stage  biopharmaceutical  company  focused  on  developing  novel  drug  candidates  for  immuno-inflammatory  diseases.    In
addition to developing its novel drug candidates, the Company is pursuing strategic alternatives, including identifying and
consummating  transactions  with  third-party  partners,  to  further  develop,  obtain  marketing  approval  for  and/or
commercialize its novel drug candidates.  

Liquidity

The  Company’s  consolidated  financial  statements  have  been  prepared  on  the  basis  of  continuity  of  operations,
realization  of  assets  and  the  satisfaction  of  liabilities  in  the  ordinary  course  of  business.   As  of  December  31,  2021,  the
Company  had  cash,  cash  equivalents  and  marketable  securities  of  $225.7  million  and  an  accumulated  deficit  of  $595.4
million.    Since  inception,  the  Company  has  incurred  net  losses  and  negative  cash  flows  from  its  operations.    Prior  to  the
acquisition  of  Confluence  in  August  2017,  the  Company  had  never  generated  revenue.    There  can  be  no  assurance  that
profitable  operations  will  ever  be  achieved,  and,  if  achieved,  will  be  sustained  on  a  continuing  basis.    In  addition,
development activities, including clinical and preclinical testing of the Company’s drug candidates, will require significant
additional  financing.    The  future  viability  of  the  Company  is  dependent  on  its  ability  to  successfully  develop  its  drug
candidates  and  to  generate  revenue  from  identifying  and  consummating  transactions  with  third-party  partners  to  further
develop, obtain marketing approval for and/or commercialize its development assets or to raise additional capital to finance
its  operations.   The  Company  will  require  additional  capital  to  complete  the  clinical  development  of  zunsemetinib  (ATI-
450), ATI-1777 and ATI-2138, to develop its preclinical compounds, and to support its discovery efforts.  

Additional  funds  may  not  be  available  on  a  timely  basis,  on  commercially  acceptable  terms,  or  at  all,  and  such
funds, if raised, may not be sufficient to enable the Company to continue to implement its long-term business strategy.  The
Company’s ability to raise additional capital may be adversely impacted by potential worsening global economic conditions
and the recent disruptions to, and volatility in, the credit and financial markets in the United States and worldwide resulting
from the ongoing COVID-19 pandemic.  If the Company is unable to raise sufficient additional capital or generate revenue
from transactions with potential third-party partners for the development and/or commercialization of its drug candidates, it
may need to substantially curtail planned operations. The Company’s failure to raise capital as and when needed could have
a negative impact on its financial condition and ability to pursue its business strategies.  

In accordance with Accounting Standards Update (“ASU”) 2014-15, Disclosure of Uncertainties about an Entity’s
Ability to Continue as a Going Concern (Subtopic 205-40), the Company evaluated whether there are conditions and events,
considered in the aggregate, that raise substantial doubt about the Company’s ability to continue as a going concern within
one year after the date that its consolidated financial statements are issued.  As of the report date, the Company does not
believe  that  substantial  doubt  exists  about  its  ability  to  continue  as  a  going  concern.   The  Company  believes  its  existing
cash, cash equivalents and marketable securities are sufficient to fund its operating and capital expenditure requirements for
a period greater than 12 months from the date of issuance of these consolidated financial statements.

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2. Summary of Significant Accounting Policies

Basis of Presentation

The  accompanying  consolidated  financial  statements  have  been  prepared  in  conformity  with  generally  accepted
accounting principles in the United States (“GAAP”).  The consolidated financial statements of the Company include the
accounts  of  the  operating  parent  company,  Aclaris  Therapeutics,  Inc.,  and  its  wholly-owned  subsidiaries,  ATIL  and
Confluence.    All  intercompany  transactions  have  been  eliminated.    Based  upon  the  Company’s  revenue,  the  Company
believes that gross profit does not provide a meaningful measure of profitability and, therefore, has not included a line item
for gross profit on the consolidated statement of operations.  

Reclassifications

Certain prior year amounts have been reclassified to conform to the current year financial statement presentation.

Discontinued Operations

In  September  2019,  the  Company  announced  the  completion  of  a  strategic  review  and  its  decision  to  refocus  its
resources  on  its  immuno-inflammatory  development  programs  and  to  actively  seek  partners  for  its  commercial  products.
 The Company also announced a plan to terminate 86 employees (see Note 17).  

Use of Estimates

The  preparation  of  financial  statements  in  conformity  with  GAAP  requires  management  to  make  estimates  and
assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the
date of the financial statements and the reported amounts of expenses during the reporting periods.  Significant estimates
and  assumptions  reflected  in  these  financial  statements  include,  but  are  not  limited  to,  contingent  consideration  and  the
valuation  of  stock-based  awards.    Estimates  are  periodically  reviewed  in  light  of  changes  in  circumstances,  facts  and
experience.  The COVID-19 pandemic has resulted in a global slowdown in economic activity.  As of the date of issuance of
these financial statements, the Company is not aware of any specific event or circumstance that would require an update to
its estimates, assumptions and judgments or revise the carrying value of its assets or liabilities.  Actual results could differ
from the Company’s estimates.

Revenue Recognition

The  Company  accounts  for  revenue  in  accordance  with  Accounting  Standards  Codification  (“ASC”)  Topic  606,
Revenue from Contracts with Customers.  Under ASC Topic 606, revenue is recognized when a customer obtains control of
promised  goods  or  services  in  an  amount  that  reflects  the  consideration  to  which  the  Company  expects  to  be  entitled  in
exchange for those goods or services.  

To determine revenue recognition in accordance with ASC Topic 606, the Company performs the following five
steps: (i) identify the contract(s) with a customer, (ii) identify the performance obligations in the contract, (iii) determine the
transaction price, (iv) allocate the transaction price to the performance obligations in the contract, and (v) recognize revenue
when  (or  as)  performance  obligations  are  satisfied.   At  contract  inception,  the  Company  assesses  the  goods  or  services
promised within a contract with a customer to identify the performance obligations, and to determine if they are distinct.
  The  Company  recognizes  the  revenue  that  is  allocated  to  each  distinct  performance  obligation  when  (or  as)  that
performance  obligation  is  satisfied.    The  Company  only  recognizes  revenue  when  collection  of  the  consideration  it  is
entitled to under a contract with a customer is probable.

Contract Research

The Company earns contract research revenue from the provision of laboratory services.  Contract research revenue
is  generally  evidenced  by  contracts  with  clients  which  are  on  an  agreed  upon  fixed-price,  fee-for-service  basis  and  are
generally  billed  on  a  monthly  basis  in  arrears  for  services  rendered.    Revenue  related  to  these  contracts  is  generally
recognized as the laboratory services are performed, based upon the rates specified in the contracts.  Under ASC Topic 606,
the Company elected to apply the “right to invoice” practical expedient when recognizing contract research revenue and as
such, recognizes revenue in the amount which it has the right to invoice.  ASC Topic 606 also provides an optional

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exemption, which the Company has elected to apply, from disclosing remaining performance obligations when revenue is
recognized from the satisfaction of the performance obligation in accordance with the “right to invoice” practical expedient.

Cash Equivalents

The Company considers all short-term, highly liquid investments with original maturities of three months or less at
acquisition date to be cash equivalents.  Cash equivalents, which have consisted of money market accounts and commercial
paper, are stated at fair value.

Marketable Securities

Marketable securities with original maturities of greater than three months and remaining maturities of less than
one year from the balance sheet date are classified as short-term. Marketable securities with remaining maturities of greater
than one year from the balance sheet date are classified as long-term.

The Company classifies all of its marketable securities as available-for-sale securities. The Company’s marketable
securities  are  measured  and  reported  at  fair  value  using  either  quoted  prices  in  active  markets  for  identical  securities  or
quoted prices in markets that are not active for identical or similar securities. Unrealized gains and losses are reported as a
separate component of stockholders’ equity. The cost of securities sold is determined on a specific identification basis, and
realized  gains  and  losses,  if  any,  are  included  in  other  expense,  net  within  the  consolidated  statement  of  operations  and
comprehensive loss. If any adjustment to fair value reflects a decline in the value of the investment, the Company considers
available evidence to evaluate the extent to which the decline is “other than temporary” and reduces the investment to fair
value through a charge to the statement of operations and comprehensive loss.

Property and Equipment

Property and equipment are stated at cost less accumulated depreciation. Depreciation expense is recognized using
the straight-line method over the useful life of the asset. Computer equipment is depreciated over three years. Laboratory
equipment is depreciated over five years. Furniture and fixtures are depreciated over five years.  Leasehold improvements
are depreciated over the shorter of the lease term or their useful life.  Expenditures for repairs and maintenance of assets are
charged to expense as incurred. Upon retirement or sale, the cost and related accumulated depreciation of assets disposed of
are removed from the accounts and any resulting gain or loss is included in loss from continuing operations.  

Impairment of Long-Lived Assets

Long-lived  assets  consist  of  property  and  equipment.  Long-lived  assets  to  be  held  and  used  are  tested  for
recoverability whenever events or changes in business circumstances indicate that the carrying amount of the assets may not
be  fully  recoverable.  Factors  that  the  Company  considers  in  deciding  when  to  perform  an  impairment  review  include
significant  underperformance  of  the  business  in  relation  to  expectations,  significant  negative  industry  or  economic  trends
and significant changes or planned changes in the use of the assets. If an impairment review is performed to evaluate a long-
lived asset for recoverability, the Company compares forecasts of undiscounted cash flows expected to result from the use
and  eventual  disposition  of  the  long-lived  asset  to  its  carrying  value.  An  impairment  loss  would  be  recognized  when
estimated undiscounted future cash flows expected to result from the use of an asset are less than its carrying amount. The
impairment  loss  would  be  based  on  the  excess  of  the  carrying  value  of  the  impaired  asset  over  its  fair  value,  determined
based on discounted cash flows.

Intangible Assets

Intangible assets include both definite-lived and indefinite-lived assets.  Definite-lived intangible assets consist of a
drug discovery platform the Company acquired through the acquisition of Confluence.  Definite-lived intangible assets are
amortized over their estimated useful life based on the pattern over which the intangible assets are consumed or otherwise
used  up.    If  that  pattern  cannot  be  reliably  determined,  the  straight-line  method  of  amortization  is  used.    Indefinite-lived
intangible  assets  consist  of  an  in-process  research  and  development  (“IPR&D”)  drug  candidate  acquired  through  the
acquisition  of  Confluence.    IPR&D  assets  are  considered  indefinite-lived  until  the  completion  or  abandonment  of  the
associated research and development efforts.  The cost of IPR&D is either amortized over its estimated useful life

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beginning  when  the  underlying  drug  candidate  is  approved  and  launched  commercially,  or  expensed  immediately  if
development of the drug candidate is abandoned or otherwise impaired.

Definite-lived intangible assets are tested for impairment when events or changes in circumstances indicate that the
carrying  value  of  the  asset  may  not  be  recoverable.    Indefinite-lived  intangible  assets  are  tested  for  impairment  at  least
annually,  which  the  Company  performs  during  the  fourth  quarter,  or  when  indicators  of  an  impairment  are  present.   The
Company  recognizes  impairment  losses  when  and  to  the  extent  that  the  estimated  fair  value  of  an  intangible  asset  is  less
than its carrying value.  

During the years ended December 31, 2021, 2020 and 2019, the Company did not record an IPR&D impairment.

Goodwill

Goodwill  is  not  amortized,  but  rather  is  subject  to  testing  for  impairment  at  least  annually,  which  the  Company
performed during the fourth quarter or when indicators of an impairment were present.  The Company considered each of its
operating segments, therapeutics and contract research, to be a reporting unit since that is the lowest level for which discrete
financial information was available.  The impairment test performed by the Company was a qualitative assessment based
upon  the  then  current  facts  and  circumstances  related  to  operations  of  the  reporting  unit.    If  the  qualitative  assessment
indicated  an  impairment  was  present,  the  Company  would  perform  the  required  quantitative  analysis  and  an  impairment
charge would be recognized to the extent that the estimated fair value of the reporting unit is less than its carrying amount.
 However, any loss recognized would not exceed the total amount of goodwill allocated to that reporting unit.  

During the year ended December 31, 2019, the Company performed an impairment analysis due to a decline in its
stock  price,  which  was  considered  a  triggering  event  to  evaluate  goodwill  for  impairment.    The  Company’s  impairment
analysis, using a market approach, noted that its stock price, including a reasonable control premium, resulted in a fair value
for the therapeutics reporting unit which was less than its carrying value.  As a result, the Company recorded an impairment
charge equal to the full balance of goodwill of $18.5 million.

Leases

Leases represent a company’s right to use an underlying asset and a corresponding obligation to make payments to
a  lessor  for  the  right  to  use  those  assets.    The  Company  evaluates  leases  at  their  inception  to  determine  if  they  are  an
operating lease or a finance lease.  A lease is accounted for as a finance lease if it meets one of the following five criteria:
the lease has a purchase option that is reasonably certain of being exercised, the present value of the future cash flows are
substantially all of the fair market value of the underlying asset, the lease term is for a significant portion of the remaining
economic  life  of  the  underlying  asset,  the  title  to  the  underlying  asset  transfers  at  the  end  of  the  lease  term,  or  if  the
underlying asset is of such a specialized nature that it is expected to have no alternative uses to the lessor at the end of the
term.  Leases that do not meet the finance lease criteria are accounted for as an operating lease.  

The  Company  recognizes  assets  and  liabilities  for  leases  at  their  inception  based  upon  the  present  value  of  all
payments due under the lease.  The Company uses an implicit interest rate to determine the present value of finance leases,
and its incremental borrowing rate to determine the present value of operating leases.  The Company determines incremental
borrowing rates by referencing collateralized borrowing rates for debt instruments with terms similar to the respective lease.
 The Company recognizes expense for operating and finance leases on a straight-line basis over the term of each lease, and
interest  expense  related  to  finance  leases  is  recognized  over  the  lease  term  based  on  the  effective  interest  method.    The
Company includes estimates for any residual value guarantee obligations under its leases in lease liabilities recorded on its
consolidated balance sheet.  

Right-of-use assets are included in other assets and property and equipment, net on the Company’s consolidated
balance sheet for operating and finance leases, respectively.  Obligations for lease payments are included in current portion
of lease liabilities and other liabilities on the Company’s consolidated balance sheet for both operating and finance leases.  

Contingent Consideration

The Company initially recorded a contingent consideration liability at fair value on the date of acquisition related
to  future  potential  payments  resulting  from  the  acquisition  of  Confluence  based  upon  significant  unobservable  inputs
including the achievement of development, regulatory and commercial milestones, as well as estimated future sales levels

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and the discount rates applied to calculate the present value of the potential payments. Significant judgement was involved
in determining the appropriateness of these assumptions.  These assumptions are considered Level 3 inputs.  Revaluation of
the contingent consideration liability can result from changes to one or more of these assumptions.  The Company evaluates
the fair value estimate of the contingent consideration liability on a quarterly basis with changes, if any, recorded as income
or expense in the consolidated statement of operations.

The fair value of contingent consideration is estimated using a probability-weighted expected payment model for
regulatory milestone payments and a Monte Carlo simulation model for commercial milestone and royalty payments and
then applying a risk-adjusted discount rate to calculate the present value of the potential payments.  Significant assumptions
used  in  the  Company’s  estimates  include  the  probability  of  achieving  regulatory  milestones  and  commencing
commercialization,  which  are  based  on  an  asset’s  current  stage  of  development  and  a  review  of  existing  clinical  data.
Probability of success assumptions  ranged  between  10%  and  40%  at  December  31,  2021.   Additionally,  estimated  future
sales  levels  and  the  risk-adjusted  discount  rate  applied  to  the  potential  payments  are  also  significant  assumptions  used  in
calculating  the  fair  value.    The  discount  rate  ranged  between  6.3%  and  8.0%  depending  on  the  year  of  each  potential
payment.

Research and Development Costs

Research  and  development  costs  are  expensed  as  incurred.  Research  and  development  expenses  include  salaries,
stock-based  compensation  and  benefits  of  employees,  fees  paid  under  licensing  agreements,  and  other  operational  costs
related to the Company’s research and development activities, including depreciation expenses and the cost of research and
development  contracts  which  the  Company  has  entered  into  with  outside  vendors  to  conduct  both  preclinical  studies  and
clinical trials.  Significant judgment and estimates are made in determining the amount of research and development costs
recognized  in  each  reporting  period.    The  Company  analyzes  the  progress  of  its  preclinical  studies  and  clinical  trials,
completion  of  milestone  events,  invoices  received  and  contracted  costs  when  estimating  research  and  development  costs.
Actual results could differ from the Company’s estimates. The Company’s historical estimates for research and development
costs have not been materially different from the actual costs.

Stock-Based Compensation

The Company measures the compensation expense of stock-based awards granted to employees and directors using
the grant date fair value of the award.  The Company has issued stock options and restricted stock unit (“RSU”) awards with
service-based  vesting  conditions,  as  well  as  with  performance-based  vesting  conditions.    The  Company  has  not  issued
awards that include market-based conditions.  For service-based awards the Company recognizes stock-based compensation
expense on a straight-line basis over the requisite service period.  For performance-based awards the Company recognizes
stock-based compensation expense on a straight-line basis over the requisite service period beginning in the period that it
becomes probable the performance conditions will occur.  At each balance sheet date, the Company evaluates whether any
performance  conditions  related  to  a  performance-based  award  have  changed.    The  effect  of  any  change  in  performance
conditions would be recognized as a cumulative catch-up adjustment in the period such change occurs, and any remaining
unrecognized  compensation  expense  would  be  recognized  on  a  straight-line  basis  over  the  remaining  requisite  service
period.  The impact of forfeitures is recognized in the period in which they occur.  

The  Company  measures  the  compensation  expense  of  stock-based  awards  granted  to  consultants  using  the  grant
date  fair  value  of  the  award.   The  Company  recognizes  compensation  expense  over  the  period  during  which  services  are
rendered by the consultant.

The Company classifies stock-based compensation expense in its statement of operations and comprehensive loss
in  the  same  manner  in  which  the  award  recipient’s  payroll  costs  are  classified  or  in  which  the  award  recipients’  service
payments are classified.

The fair value of each stock option grant is estimated on the date of grant using the Black-Scholes option-pricing
model.  The  Company  estimates  its  expected  stock  volatility  based  on  the  historical  volatility  of  a  set  of  peer  companies,
which are publicly traded, and expects to continue to do so until it has adequate historical data regarding the volatility of its
own  publicly-traded  stock  price.  The  expected  term  of  the  Company’s  stock  options  has  been  determined  using  the
“simplified” method for awards that qualify as “plain vanilla” options. The expected term of stock options granted to non-
employees is equal to the contractual term of the option award. The risk-free interest rate is determined by reference to the
U.S. Treasury yield curve in effect at the time of grant of the award for time periods approximately equal to the expected

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term of the award. The Company uses an expected dividend yield of zero based on the fact that the Company has never paid
cash dividends and does not expect to pay cash dividends in the future.

The fair value of each RSU is measured using the closing price of the Company’s common stock on the date of

grant.

Patent Costs

All  patent  related  costs  incurred  in  connection  with  filing  and  prosecuting  patent  applications  are  expensed  as
incurred  due  to  the  uncertainty  about  the  recovery  of  the  expenditure.    Amounts  incurred  are  classified  as  general  and
administrative expenses.

Income Taxes

The  Company  accounts  for  income  taxes  using  the  asset  and  liability  method,  which  requires  the  recognition  of
deferred  tax  assets  and  liabilities  for  the  expected  future  tax  consequences  of  events  that  have  been  recognized  in  the
financial statements or in the Company’s tax returns.  Deferred taxes are determined based on the difference between the
financial statement and tax basis of assets and liabilities using enacted tax rates in effect in the years in which the differences
are expected to reverse.  Changes in deferred tax assets and liabilities are recorded in the provision for income taxes.  The
Company assesses the likelihood that its deferred tax assets will be recovered from future taxable income and, to the extent
it believes, based upon the weight of available evidence, that it is more likely than not that all or a portion of the deferred tax
assets  will  not  be  realized,  a  valuation  allowance  is  established  through  a  charge  to  income  tax  expense.  Potential  for
recovery of deferred tax assets is evaluated by estimating the future taxable profits expected and considering prudent and
feasible tax planning strategies.

The  Company  accounts  for  uncertainty  in  income  taxes  recognized  in  the  consolidated  financial  statements  by
applying  a  two-step  process  to  determine  the  amount  of  tax  benefit  to  be  recognized.    First,  the  tax  position  must  be
evaluated to determine the likelihood that it will be sustained upon external examination by the taxing authorities. If the tax
position is deemed more likely than not to be sustained, the tax position is then assessed to determine the amount of benefit
to  recognize  in  the  consolidated  financial  statements.    The  amount  of  the  benefit  that  may  be  recognized  is  the  largest
amount that has a greater than 50% likelihood of being realized upon ultimate settlement.  The provision for income taxes
includes the effects of any resulting tax reserves, or unrecognized tax benefits, that are considered appropriate as well as the
related net interest and penalties.

Comprehensive Loss

Comprehensive loss includes net loss as well as other changes in stockholders’ equity that result from transactions
and  economic  events  other  than  those  with  stockholders.    Comprehensive  loss  is  primarily  comprised  of  net  loss  and
unrealized gains (losses) on marketable securities.

Net Loss per Share

Basic net loss per share is computed using the weighted average number of common shares outstanding during the
period.    Diluted  net  loss  per  share  is  computed  using  the  sum  of  the  weighted  average  number  of  common  shares
outstanding  during  the  period,  plus  the  weighted  average  number  of  potential  shares  of  common  stock  from  the  assumed
exercise of stock options and warrants and the assumed vesting of RSUs, if dilutive.  Since the Company was in a net loss
position, basic and diluted net loss per share was the same for each of the periods presented.

Fair Value Measurements

Certain assets and liabilities are carried at fair value under GAAP.  Fair value is defined as the exchange price that
would be received for an asset or paid to transfer a liability in the principal or most advantageous market for the asset or
liability  in  an  orderly  transaction  between  market  participants  on  the  measurement  date.  Valuation  techniques  used  to
measure fair value must maximize the use of observable inputs and minimize the use of unobservable inputs. Financial

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assets and liabilities carried at fair value are to be classified and disclosed in one of the following three levels of the fair
value hierarchy, of which the first two are considered observable and the last is considered unobservable:

● Level 1 — Quoted prices in active markets for identical assets or liabilities.

● Level 2 — Observable inputs (other than Level 1 quoted prices), such as quoted prices in active markets for
similar assets or liabilities, quoted prices in markets that are not active for identical or similar assets or
liabilities, or other inputs that are observable or can be corroborated by observable market data.

● Level 3 — Unobservable inputs that are supported by little or no market activity and that are significant to
determining the fair value of the assets or liabilities, including pricing models, discounted cash flow
methodologies and similar techniques.

The  Company’s  cash  equivalents,  marketable  securities  and  contingent  consideration  are  carried  at  fair  value,
determined according to the fair value hierarchy described above.  The carrying value of the Company’s accounts payable
and  accrued  expenses  approximate  fair  value  due  to  the  short-term  nature  of  these  liabilities.    The  carrying  value  of  the
Company’s debt approximates fair value due to the debt bearing a variable interest rate which is reflective of current market
rates.

Concentration of Credit Risk and of Significant Suppliers

Financial  instruments  that  potentially  expose  the  Company  to  concentrations  of  credit  risk  consist  primarily  of
cash, cash equivalents and marketable securities. The Company holds all cash, cash equivalents and marketable securities
balances  at  one  accredited  financial  institution,  in  amounts  that  exceed  federally  insured  limits.  The  Company  does  not
believe  that  it  is  subject  to  unusual  credit  risk  beyond  the  normal  credit  risk  associated  with  commercial  banking
relationships.

The  Company  is  dependent  on  third-party  manufacturers  to  supply  drug  product,  including  all  underlying
components, for its research and development activities, including preclinical and clinical testing.  These activities could be
adversely affected by a significant interruption in the supply of active pharmaceutical ingredients or other components.  

Segment Reporting

Operating  segments  are  components  of  a  company  for  which  separate  financial  information  is  available  and
evaluated regularly by the chief operating decision maker in assessing performance and deciding how to allocate resources.
 The  Company  has  two  reportable  segments,  therapeutics  and  contract  research.   The  therapeutics  segment  is  focused  on
identifying and developing innovative therapies to address significant unmet needs for immuno-inflammatory diseases.  The
contract research segment earns revenue from the provision of laboratory services.  Contract research revenue is generally
evidenced by contracts with clients which are on an agreed upon fixed-price, fee-for-service basis.  The Company does not
report balance sheet information by segment since it is not reviewed by the chief operating decision maker, and all of the
Company’s tangible assets are held in the United States.

Recently Issued Accounting Pronouncements

In  November  2018,  the  Financial  Accounting  Standards  Board  (“FASB”)  issued  Accounting  Standards  Update
(“ASU”) 2018-18, Collaborative Arrangements (Topic 808):  Clarifying the Interaction Between Topic 808 and Topic 606,
which,  among  other  things,  provides  guidance  on  how  to  assess  whether  certain  collaborative  arrangement  transactions
should be accounted for under Topic 606.  The Company adopted this standard as of January 1, 2020, the impact of which
on its consolidated financial statements was not significant.  

In  August  2018,  the  FASB  issued  ASU  2018-15,  Intangibles—Goodwill  and  Other—Internal-Use  Software
(Subtopic 350-40).  ASU 2018-15 requires a customer in a cloud computing arrangement that is a service contract to follow
the  internal-use  software  guidance  in  ASC  350-40  to  determine  which  implementation  costs  to  capitalize  as  assets  or
expense as incurred.  The Company adopted this standard as of January 1, 2020, the impact of which on its consolidated
financial statements was not significant.    

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In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820).  The FASB developed the
amendments to ASC 820 as part of its broader disclosure framework project, which aims to improve the effectiveness of
disclosures in the notes to financial statements by focusing on requirements that clearly communicate the most important
information  to  users  of  the  financial  statements.    This  update  eliminates  certain  disclosure  requirements  for  fair  value
measurements for all entities, requires public entities to disclose certain new information and modifies some of the existing
disclosure requirements.  The Company adopted this standard as of January 1, 2020, the impact of which on its consolidated
financial statements was not significant.

3. RHOFADE Disposition

In  October  2019,  the  Company  entered  into  an  asset  purchase  agreement  with  EPI  Health,  LLC  (“EPI  Health”)
pursuant  to  which  the  Company  sold  the  worldwide  rights  to  RHOFADE  (oxymetazoline  hydrochloride)  cream,  1%
(“RHOFADE”),  which  included  the  assignment  of  certain  licenses  for  related  intellectual  property  assets  (the
“Disposition”).  

Pursuant to the asset purchase agreement, EPI Health paid the Company closing consideration of $35.2 million.  In
addition,  EPI  Health  agreed  to  pay  the  Company  (i)  potential  sales  milestone  payments  of  up  to  $20.0  million  in  the
aggregate upon the achievement of specified levels of net sales of products as defined in the asset purchase agreement, (ii) a
specified high single-digit royalty calculated as a percentage of net sales, on a product-by-product and country-by-country
basis, until the date that the patent rights related to a particular product, such as RHOFADE, have expired, provided, that
with respect to sales of RHOFADE in any territory outside of the United States, such royalty shall be paid until the date that
the RHOFADE patent rights in the particular country have expired or, if later, 10 years from the date of the first commercial
sale of RHOFADE in such country and (iii) 25% of any upfront, license, milestone, maintenance or fixed payment received
by  EPI  Health  in  connection  with  any  license  or  sublicense  of  the  assets  transferred  in  the  Disposition  in  any  territory
outside  of  the  United  States,  subject  to  specified  exceptions.    Finally,  EPI  Health  agreed  to  assume  the  Company’s
obligation to pay specified royalties and milestone payments under certain agreements with third parties.

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4. Fair Value of Financial Assets and Liabilities

The following tables present information about the fair value measurements of the Company’s financial assets and

liabilities which are measured at fair value on a recurring and non-recurring basis, and indicate the level of the fair value
hierarchy utilized to determine such fair values:

(In thousands)
Assets:

Cash equivalents
Marketable securities

Total assets

Liabilities:

Contingent consideration

Total liabilities

(In thousands)
Assets:

Cash equivalents
Marketable securities

Total assets

Liabilities:

Contingent consideration

Total liabilities

     Level 1     

Level 2

     Level 3     

Total

December 31, 2021

$ 21,678
—
$ 21,678

$

— $

198,307
$ 198,307

$

— $ 21,678
—
198,307
— $ 219,985

$
$

— $
— $

— $ 28,400
— $ 28,400

$ 28,400
$ 28,400

     Level 1      Level 2      Level 3     

Total

December 31, 2020

$ 14,955
—
$ 14,955

$ 1,500
32,068
$ 33,568

$

$

— $ 16,455
32,068
—
— $ 48,523

$
$

— $
— $

— $ 4,061
— $ 4,061

$ 4,061
$ 4,061

As of December 31, 2021 and 2020, the Company’s cash equivalents consisted of a money market fund, which was
valued based upon Level 1 inputs.  The Company’s cash equivalents as of December 31, 2020 also included commercial
paper, which was valued based upon Level 2 inputs.  The Company’s marketable securities as of December 31, 2021 and
2020  consisted  of  commercial  paper  and  asset-backed  and  U.S.  government  agency  debt  securities,  which  were  valued
based upon Level 2 inputs.  The Company’s marketable securities as of December 31, 2021 also included corporate debt
securities and foreign government agency debt securities, which were valued based upon Level 2 inputs.

In  determining  the  fair  value  of  its  Level  2  investments,  the  Company  relied  on  quoted  prices  for  identical
securities in markets that are not active. These quoted prices were obtained by the Company with the assistance of a third-
party pricing service based on available trade, bid and other observable market data for identical securities.  Quarterly, the
Company compares the quoted prices obtained from the third-party pricing service to other available independent pricing
information to validate the reasonableness of the quoted prices provided.  The Company evaluates whether adjustments to
third-party pricing are necessary and, historically, the Company has not made adjustments to quoted prices obtained from
the third-party pricing service.  During the years ended December 31, 2021 and 2020, there were no transfers into or out of
Level 3.

The  increase  in  contingent  consideration  of  $24.3  million  during  the  year  ended  December  31,  2021  primarily
resulted from updates to the Company’s probability of achieving regulatory milestones and commencing commercialization
and  estimated  future  sales  level  assumptions  as  a  result  of  the  completion  of  a  Phase  2a  clinical  trial  of  zunsemetinib  in
subjects  with  moderate  to  severe  rheumatoid  arthritis  and  the  inclusion  of  estimated  future  sales  of  zunsemetinib  for  the
potential  treatment  of  moderate  to  severe  psoriatic  arthritis  and  moderate  to  severe  hidradenitis  suppurativa,  which  are
additional planned indications for zunsemetinib, as well as a result of the completion of a Phase 2a clinical trial of ATI-1777
in subjects with moderate to severe atopic dermatitis.

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As of December 31, 2021 and 2020, the fair value of the Company’s available-for-sale marketable securities by

type of security was as follows:

(In thousands)

Marketable securities:

Corporate debt securities(1)
Commercial paper
Asset-backed debt securities
Foreign government agency debt securities
U.S. government agency debt securities(2)

Total marketable securities
(1) Included in Corporate debt securities is $9.2 million with maturity dates between one and five years.

(2) Included in US government agency debt securities is $25.0 million with maturity dates between one and five years.

(In thousands)

Marketable securities:
Commercial paper
Asset-backed debt securities
U.S. government agency debt securities

Total marketable securities

5. Property and Equipment, Net

Property and equipment, net consisted of the following:

December 31, 2021
Gross
Gross

Amortized
Cost

Unrealized Unrealized

Gain

Loss

Fair
Value

$ 40,993
71,837
36,166
4,073
45,465
$ 198,534

$

$

6
—
—
—
—
6

$

(50) $ 40,949
71,837
—
36,123
(43)
4,060
(13)
(127)
45,338
(233) $ 198,307

December 31, 2020
Gross
Gross
Unrealized
Unrealized
Loss
Gain

Amortized
Cost

Fair
Value

$ 20,483
4,036
7,547
$ 32,066

$

$

— $

1
1
2

$

— $ 20,483
—
4,037
7,548
—
— $ 32,068

(In thousands)

Computer equipment
Lab equipment
Furniture and fixtures
Leasehold improvements
Property and equipment, gross
Accumulated depreciation
Property and equipment, net

December 31, 
2021

December 31, 
2020

    $

$

1,380     $
1,605
620
1,123
4,728
(3,393)
1,335

$

1,197
1,340
617
1,123
4,277
(2,623)
1,654

Depreciation expense was $0.8 million, $1.1 million and $1.5 million for the years ended December 31, 2021, 2020

and 2019, respectively.  

6. Intangible Assets

Intangible assets consisted of the following:  

(In thousands, except years)

Other intangible assets
In-process research and
development
Total intangible assets

Remaining
   Life (years)   
5.6

$

Gross Cost

Accumulated Amortization

December 31, 
2021

December 31, 
2020

December 31, 
2021

December 31, 
2020

751

$

751

$

332

$

n/a

6,629
7,380

$

6,629
7,380

$

$

—
332

$

257

—
257

Amortization expense was $75 thousand for each of the years ended December 31, 2021, 2020 and 2019.

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As of December 31, 2021, estimated future amortization expense was as follows:

(In thousands)
2022
2023
2024
2025
2026
Thereafter
Total

$

Year Ending
     December 31,
75
75
75
75
75
44
419

$

7. Accrued Expenses

Accrued expenses consisted of the following:

(In thousands)

Employee compensation expenses
Research and development expenses
Litigation settlements (see Note 20)
Other

Total accrued expenses

8. Debt

Loan and Security Agreement – Silicon Valley Bank

December 31, 
2021

December 31, 
2020

$

$

4,389
1,278
2,650
1,734
10,051

$

$

3,971
761
—
1,174
5,906

In March 2020, the Company entered into a Loan and Security Agreement with Silicon Valley Bank (“SVB”).  The
Loan and Security Agreement provided for $11.0 million in term loans, of which the Company borrowed the entire amount
on  March  30,  2020.    In  connection  with  the  Loan  and  Security  Agreement,  the  Company  issued  to  SVB  a  warrant  to
purchase  up  to  460,251  shares  of  common  stock  (the  “Warrant”)  (see  Note  9).    The  proceeds  of  the  Loan  and  Security
Agreement were allocated to the term loan and Warrant using a relative fair value approach.  

In  July  2021,  the  Company  repaid  in  full  the  $11.0  million  that  was  outstanding  under  the  Loan  and  Security
Agreement,  together  with  all  accrued  and  unpaid  interest  and  fees  as  of  the  payoff  date,  for  a  total  payment  of  $11.7
million.  Following this repayment, all of the Company’s obligations under the Loan and Security Agreement are deemed to
be terminated, except as set forth in the agreement.

Loan and Security Agreement – Oxford Finance LLC

In October 2018, the Company entered into a Loan and Security Agreement with Oxford Finance LLC.  The Loan
and Security Agreement provided for up to $65.0 million in term loans, of which the Company borrowed $30.0 million in
October  2018.    In  October  2019,  the  Company  repaid  in  full  the  $30.0  million  that  was  outstanding  under  the  Loan  and
Security Agreement, together with all accrued and unpaid interest and fees as of the payoff date, for a total payment of $32.4
million.

9. Stockholders’ Equity

Preferred Stock

As of December 31, 2021 and 2020, the Company’s amended and restated certificate of incorporation authorized
the  Company  to  issue  10,000,000  shares  of  undesignated  preferred  stock.    There  were  no  shares  of  preferred  stock
outstanding as of December 31, 2021 and 2020.  

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Common Stock

As of December 31, 2021 and 2020, the Company’s amended and restated certificate of incorporation authorized
the  Company  to  issue  100,000,000  shares  of  $0.00001  par  value  common  stock.  There  were  61,228,446  and  45,109,314
shares of common stock issued and outstanding as of December 31, 2021 and 2020, respectively.  

Each share of common stock entitles the holder to one vote on all matters submitted to a vote of the Company’s
stockholders. Common stockholders are entitled to receive dividends, as may be declared by the board of directors, if any,
subject to any preferential dividend rights of any series of preferred stock that may be outstanding.  No dividends have been
declared through December 31, 2021.  

Warrants

The Warrant issued to SVB in March 2020 had an initial exercise price of $0.956 per share, subject to adjustment
as provided in the Warrant. The Warrant became immediately exercisable in full upon the funding of the term loan facility.
 The Company assigned a fair value of $0.4 million to the Warrant using a Black-Scholes valuation methodology, and also
concluded that the Warrant was indexed to its own stock and therefore classified the Warrant as an equity instrument.  In
January 2021, SVB net exercised the Warrant in full, and the Company issued to SVB 388,119 shares of common stock.

Equity Purchase Agreement with Lincoln Park Capital Fund, LLC  

In August 2020, the Company entered into an equity purchase agreement (the “Purchase Agreement”) with Lincoln
Park Capital Fund, LLC (“Lincoln Park”) which provided that, upon the terms and subject to the conditions and limitations
set forth therein, the Company could sell to Lincoln Park, at its discretion, up to $15.0 million of shares of its common stock
over  the  36-month  term  of  the  Purchase  Agreement.  Upon  execution  of  the  Purchase  Agreement,  the  Company  issued
121,584  shares  of  its  common  stock  to  Lincoln  Park  as  commitment  shares  in  accordance  with  the  closing  conditions
contained within the Purchase Agreement. The commitment shares were valued using the closing price of the Company’s
common stock on the effective date of the Purchase Agreement resulting in an aggregate fair value of $0.3 million.  Through
December  31,  2020,  the  Company  sold  2,111,170  shares  of  its  common  stock  to  Lincoln  Park  under  the  Purchase
Agreement  for  net  proceeds  of  $7.7  million.    The  Company  terminated  the  Purchase  Agreement  in  January  2021  in
connection  with  the  public  offering  of  common  stock  described  below.   The  Company  did  not  sell  any  additional  shares
prior to terminating the Purchase Agreement.

January 2021 Public Offering

In  January  2021,  the  Company  closed  a  public  offering  in  which  it  sold  6,306,271  shares  of  common  stock  at  a
price  to  the  public  of  $17.50  per  share,  for  aggregate  gross  proceeds  of  $110.4  million.  The  Company  paid  underwriting
discounts and commissions of $6.6 million, and also incurred expenses of $0.4 million in connection with the offering.  As a
result,  the  net  offering  proceeds  received  by  the  Company,  after  deducting  underwriting  discounts,  commissions  and
offering expenses, were $103.3 million.

June 2021 Public Offering

In June 2021, the Company closed a public offering in which it sold 8,098,592 shares of common stock at a price to
the public of $17.75 per share, for aggregate gross proceeds of $143.8 million. The Company paid underwriting discounts
and commissions of $8.6 million, and also incurred expenses of $0.3 million in connection with the offering.  As a result, the
net offering proceeds received by the Company, after deducting underwriting discounts, commissions and offering expenses,
were $134.9 million.

10. Stock-Based Awards

2015 Equity Incentive Plan

In September 2015, the Company’s board of directors adopted the 2015 Equity Incentive Plan (the “2015 Plan”),
and  the  Company’s  stockholders  approved  the  2015  Plan.    The  2015  Plan  became  effective  in  connection  with  the
Company’s initial public offering in October 2015.  Beginning at the time the 2015 Plan became effective, no further grants
may be made under the Company’s 2012 Equity Compensation Plan, as amended and restated (the “2012 Plan”).  

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The  2015  Plan  provides  for  the  grant  of  incentive  stock  options,  nonqualified  stock  options,  stock  appreciation  rights,
restricted  stock  awards,  RSU  awards,  performance  stock  awards,  cash-based  awards  and  other  stock-based  awards.  The
number of shares initially reserved for issuance under the 2015 Plan was 1,643,872 shares of common stock.  The number of
shares  of  common  stock  that  may  be  issued  under  the  2015  Plan  will  automatically  increase  on  January  1  of  each  year
ending  on  January  1,  2025,  in  an  amount  equal  to  the  lesser  of  (i)  4.0%  of  the  shares  of  the  Company’s  common  stock
outstanding  on  December  31  of  the  preceding  calendar  year  or  (ii)  an  amount  determined  by  the  Company’s  board  of
directors.  The  shares  of  common  stock  underlying  any  awards  that  expire,  are  otherwise  terminated,  settled  in  cash  or
repurchased  by  the  Company  under  the  2015  Plan  and  the  2012  Plan  will  be  added  back  to  the  shares  of  common  stock
available for issuance under the 2015 Plan.  As of December 31, 2021, 2,708,469 shares remained available for grant under
the 2015 Plan.  As of January 1, 2022, the number of shares of common stock that may be issued under the 2015 Plan was
automatically increased by 2,449,137 shares. The Company had 2,897,705 stock options and 1,489,633 RSUs outstanding
as of December 31, 2021 under the 2015 Plan.

2017 Inducement Plan

In July 2017, the Company’s board of directors adopted the 2017 Inducement Plan (the “2017 Inducement Plan”).
  The  2017  Inducement  Plan  is  a  non-stockholder  approved  stock  plan  adopted  pursuant  to  the  “inducement  exception”
provided under Nasdaq listing rules.  The Company had 410,600 stock options and 7,313 RSUs outstanding as of December
31,  2021  under  the  2017  Inducement  Plan.   All  shares  of  common  stock  that  were  eligible  for  issuance  under  the  2017
Inducement Plan after October 1, 2018, including any shares underlying any awards that expire or are otherwise terminated,
reacquired to satisfy tax withholding obligations, settled in cash or repurchased by the Company in the future that would
have been eligible for re-issuance under the 2017 Inducement Plan, were retired. 

2012 Equity Compensation Plan

Upon the 2015 Plan becoming effective, no further grants can be made under the 2012 Plan. The Company granted
stock options to purchase a total of 1,140,524 shares under the 2012 Plan, of which 484,145 and 549,561 were outstanding
as of December 31, 2021 and 2020, respectively.  Stock options granted under the 2012 Plan expire after ten years.  

Stock Option Valuation

The weighted average assumptions the Company used to estimate the fair value of stock options granted during the

years ended December 31, 2021, 2020 and 2019 were as follows:

Risk-free interest rate
Expected term (in years)
Expected volatility
Expected dividend yield

2021
0.92 %
6.2

Year Ended
December 31, 
2020
0.87 %
6.1
76.60 % 85.19 % 99.36 %
0 %

2019
2.27 %
6.2

0 %

0 %

The Company recognizes compensation expense for awards over their vesting period.  Compensation expense for

awards includes the impact of forfeitures in the period when they occur.  

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Stock Options

The following table summarizes stock option activity for the years ended December 31, 2021, 2020 and 2019:

Weighted
Average
Exercise
Price

     Weighted     
Average
Remaining
Contractual
Term
(in years)
7.9

Aggregate  
Intrinsic
Value

$

2,404

112

(In thousands, except share and per share data and years)

Outstanding as of December 31, 2018

Granted
Exercised
Forfeited and cancelled

Outstanding as of December 31, 2019

Granted
Exercised
Forfeited and cancelled

Outstanding as of December 31, 2020

Granted
Exercised
Forfeited and cancelled

Outstanding as of December 31, 2021
Options vested and expected to vest as of December 31, 2021
Options exercisable as of December 31, 2021

Number
of Shares

4,282,081
44,500
(142,779)
(1,081,581)
3,102,221
734,800
(53,737)
(911,786)
2,871,498
1,068,100
(115,548)
(31,600)
3,792,450
3,792,450
2,200,718

$

$

$

$
$
$

20.53  
5.75
1.33
23.01
20.33  
1.30
1.30
22.41
15.16  
23.44
12.63
23.26
17.50  
17.50  
17.86  

6.6

$

148

145

6.8

$

4,890

1,373

6.8
6.8
5.4

$ 13,710
$ 13,710
7,756
$

The weighted average grant date fair value of stock options granted during the years ended December 31, 2021,

2020 and 2019 was $15.67, $0.93 and $4.63 per share, respectively.

Restricted Stock Units

The following table summarizes RSU activity for the years ended December 31, 2021, 2020 and 2019.  

Weighted

Average

Grant Date Aggregate

Fair Value

Intrinsic

Number

of Shares

626,407 $

3,650,942
(173,444)
(510,990)
3,592,915 $
1,168,805
(1,804,429)
(713,134)
2,244,157 $
664,948
(1,340,042)
(72,117)
1,496,946 $

Value

799

2,607

Per Share
20.30
3.56
21.31 $
10.63
4.62
1.36
3.33 $
4.77
3.83
23.33

3.18 $ 31,492

10.36
12.75

(In thousands, except share and per share data)
Outstanding as of December 31, 2018

Granted
Vested
Forfeited and cancelled

Outstanding as of December 31, 2019

Granted
Vested
Forfeited and cancelled

Outstanding as of December 31, 2020

Granted
Vested
Forfeited and cancelled

Outstanding as of December 31, 2021

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Stock-Based Compensation

Stock-based  compensation  expense  included  in  total  costs  and  expenses  on  the  consolidated  statement  of

operations included the following:

(In thousands)

Cost of revenue
Research and development
General and administrative

Total stock-based compensation expense

Year Ended
December 31, 
2020     
946
2,919
  7,342
$ 11,207

2019

$

703
5,091
  10,288
$ 16,082

2021     

   $

981      $

3,866
  9,213
$ 14,060

As  of  December  31,  2021,  the  Company  had  unrecognized  stock-based  compensation  expense  for  stock  options
and  RSUs  of  $13.4  million  and  $13.8  million,  respectively,  which  is  expected  to  be  recognized  over  weighted  average
periods of 3.0 years and 2.9 years, respectively.  

11. Net Loss per Share

Basic and diluted net loss per share is summarized in the following table:

(In thousands, except for share and per share data)
Numerator:
Net loss
Denominator:

Year Ended
December 31, 
2020

2019

2021

$

(90,865)

$

(51,015)

$

(161,354)

Weighted average shares of common stock outstanding, basic and
diluted

Net loss per share, basic and diluted

  56,730,583
(1.60)
$

  42,539,293
(1.20)
$

  41,323,921
(3.90)
$

The  Company’s  potentially  dilutive  securities,  which  included  stock  options,  RSUs  and  warrants,  have  been
excluded  from  the  computation  of  diluted  net  loss  per  share  since  the  effect  would  be  to  reduce  the  net  loss  per  share.
Therefore, the weighted average number of shares of common stock outstanding used to calculate both basic and diluted net
loss per share is the same.  The following table presents potential shares of common stock excluded from the calculation of
diluted net loss per share for the years ended December 31, 2021, 2020 and 2019.  All share amounts presented in the table
below represent the total number outstanding as of December 31 of each year.

Options to purchase common stock
Restricted stock unit awards
Warrants

Total potential shares of common stock

97

2021
3,792,450
1,496,946
—
5,289,396

December 31, 
2020

2019

2,871,498      3,102,221
3,592,915
2,244,157
—
6,695,136

460,251  
5,575,906  

 
 
    
 
 
 
    
    
    
    
    
    
    
    
 
 
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12. Leases

The  Company  has  operating  leases  for  office  space  and  laboratory  facilities,  and  had  finance  leases  for  its

laboratory equipment and vehicles.  The components of lease expense were as follows:

(In thousands)

Operating lease expense

Finance Leases:

Amortization of right-to-use assets
Interest expense

Total finance lease expenses

Year Ended
December 31, 
2020

2021

2019

    $

1,013     $

1,013    $

808

$

$

— $
—
— $

113
5
118

$

$

443
87
530

Rent  expense  was  $1.0  million  for  each  of  the  years  ended  December  31,  2021,  2020  and  2019,  which  was

recognized on a straight-line basis over the term of the lease.  

Operating Leases

Agreements for Office and Laboratory Space

The  Company  has  a  sublease  agreement  with  Auxilium  Pharmaceuticals,  LLC  (the  “Sublandlord”)  pursuant  to
which it subleases 33,019 square feet of office space for its headquarters in Wayne, Pennsylvania. The sublease has a term
that  runs  through  October  2023.  If  for  any  reason  the  lease  between  Chesterbrook  Partners,  LP  (“Landlord”)  and
Sublandlord  is  terminated  or  expires  prior  to  October  2023,  the  Company’s  sublease  will  automatically  terminate.  In
December 2020, the Company entered into a sub-sublease agreement under which it sub-subleased 8,115 square feet to a
third party.  The sub-sublease term runs concurrently with the original sublease agreement.

In  February  2019,  the  Company  entered  into  a  sublease  agreement  with  a  third  party  for  20,433  square  feet  of
office and laboratory space in St. Louis, Missouri. The lease commenced in June 2019 and has a term that runs through June
2029.

Supplemental balance sheet information related to operating leases is as follows:  

(In thousands)
Operating Leases:
Gross cost
Accumulated amortization

Other assets

Current portion of lease liabilities
Other liabilities

Total operating lease liabilities

December 31,  December 31, 

2021

2020

$

$

$

$

5,240 $
(1,803)
3,437 $

693 $

2,201
2,894 $

5,240
(1,111)
4,129

603
2,894
3,497

Amortization  expense  related  to  operating  lease  right-of-use  assets  and  accretion  of  operating  lease  liabilities

totaled $1.0 million for each of the years ended December 31, 2021, 2020 and 2019.

Finance Leases

Laboratory Equipment

The Company leased laboratory equipment which it used in its laboratory space in St. Louis, Missouri under two
finance lease financing arrangements which the Company entered into in August 2017 and October 2017, for which terms
ended in October 2020 and December 2020, respectively.  

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Fleet Vehicles

The Company leased automobiles for its sales force and other field-based employees under the terms of a master
lease agreement with a third party.  The lease term for each automobile began on the date the Company took delivery and
continued  for  a  period  of  four  years.   As  a  result  of  the  Company’s  decision  to  actively  seek  partners  for  its  commercial
products, the Company terminated the finance leases for its fleet vehicles and recognized a loss on lease termination of $0.2
million during the year ended December 31, 2019.  

Supplemental information related to operating and finance leases is as follows:

(In thousands, except for years and percentages)
Supplemental Cash Flow Lease Information:
Operating cash flows from operating leases
Operating cash flows from finance leases
Financing cash flows from finance leases

Leased assets obtained in exchange for new operating lease liabilities

Weighted-Average Remaining Lease Term (in years):

Operating leases

Weighted-Average Discount Rate:

Operating leases

Year Ended

December 31, 
2020

2021

$
924
— $
— $

907
5
137

$
$
$

2019

755
87
523

— $

— $

3,060

$
$
$

$

5.4

6.0

6.8

10.1 %

10.1 %

10.1 %

Future minimum lease payments under operating lease agreements are as follows:

(In thousands)
Year Ending December 31, 

2022
2023
2024
2025
2026
Thereafter

Total undiscounted lease payments
Less: unrecognized interest
Total lease liability

13. Income Taxes

Operating
Leases

949
866
343
352
361
941
3,812
(918)
2,894

$

$

During the years ended December 31, 2021, 2020 and 2019, the Company did not record an income tax benefit for

net operating losses incurred in each year due to the uncertainty of realizing a benefit from those items.

Loss before income taxes is allocated as follows:

Year Ended December 31,

(In thousands)
U.S. operations
Foreign operations
Loss before income taxes

99

2021

2020
$ (90,865) $ (51,215) $ (161,192)
(162)
$ (90,865) $ (51,197) $ (161,354)

2019

—

18

 
      
 
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A  reconciliation  of  the  U.S.  federal  statutory  income  tax  rate  to  the  Company’s  effective  income  tax  rate  is  as

follows:

Federal statutory income tax rate

State taxes, net of federal benefit
Research and development tax credits
Excess equity compensation tax benefit net of officer limitation
Revaluation of contingent consideration
Permanent differences
Change in deferred tax asset valuation allowance

Effective income tax rate

Deferred tax liabilities, net consisted of the following:

(In thousands)
Deferred tax assets:

Net operating loss carryforwards
Capitalized start-up costs
Research and development tax credit carryforwards
Capitalized research and development expense
Stock‑based compensation expense
Accrued compensation
Lease liabilities
Other

Total deferred tax assets

Deferred tax liabilities:

Property and equipment
Intangible asset
Right-to-use assets
Other

Total deferred tax liabilities

Valuation allowance

Deferred tax liabilities, net

2021
(21.0)%  
(7.7) 
(3.0) 
(3.9)
5.6
—
30.0  

Year Ended December 31,
2020
(21.0)%  
(7.5) 
(2.6) 
1.4
1.0
0.2
28.1  
(0.4)%  

— %  

2019
(21.0)%
(6.6)
(1.5)
0.4
—
2.6
26.2
0.1 %

December 31,

2021

2020

$

123,583
6,334
11,502
4,046
17,728
825
721
648
  165,387

$ 101,277
6,509
8,732
4,611
14,526
745
888
602
  137,890

(171)
(1,567)
(852)
(1,340)
(3,930)
  (161,824)
(367)

$

(209)
(2,033)
(1,026)
(430)
(3,698)
  (134,559)
(367)
$

As of December 31, 2021, the Company had federal and state net operating loss (“NOL”) carryforwards of $448.4
million and $404.9 million, respectively, which will begin to expire in 2032.  As of December 31, 2021, the Company also
had federal research and development tax credit carryforwards of $11.4 million which will begin to expire in 2032, and state
research and development tax credit carryforwards of $0.1 million which will begin to expire in 2022. The Company also
has $0.2 million of loss carryforwards in the United Kingdom which can be carried forward indefinitely. Utilization of the
NOLs and research and development tax credit carryforwards in the United States may be subject to a substantial annual
limitation  under  Section  382  of  the  Internal  Revenue  Code  of  1986  due  to  ownership  changes  that  may  have  occurred
previously or that could occur in the future. These ownership changes may limit the amount of carryforwards that can be
utilized annually to offset future taxable income.  In general, an ownership change, as defined by Section 382, results from
transactions increasing the ownership of certain stockholders or public groups in the stock of a corporation by more than
50% over a three-year period. The Company has completed an analysis under Section 382 for NOLs generated from July 13,
2012 through December 31, 2021.  Although the Company has experienced Section 382 ownership changes since 2012, the
Company has concluded that it should have sufficient ability to utilize NOLs accumulated during the periods tested.  The
Company has not yet determined if a Section 382 ownership change has occurred after December 31, 2021.  In addition, the
Company may experience ownership changes in the future as a result of subsequent shifts in its stock ownership, some of
which may be outside of the Company’s control.

The Company has evaluated the positive and negative evidence bearing upon its ability to realize the deferred tax
assets.  The Company considered its history of cumulative net losses incurred since inception, its lack of substantial revenue
generated to date, and its forecasted future operating losses and concluded that it is more likely than not that the

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Company will not realize the benefits of its deferred tax assets.  Accordingly, a full valuation allowance has been established
against the deferred tax assets as of December 31, 2021 and 2020.  The Company evaluates positive and negative evidence
of its ability to realize deferred tax assets at each reporting period.  

Changes in the valuation allowance for deferred tax assets during the years ended December 31, 2021, 2020 and
2019  related  primarily  to  the  increases  in  NOLs,  capitalized  start-up  costs,  and  research  and  development  tax  credit
carryforwards and were as follows:

(In thousands)
Valuation allowance at beginning of year

Decreases recorded as benefit to income tax provision
Decreases recorded to opening balance sheet
Increases recorded to income tax provision

Valuation allowance as of end of year

2019

2021

Year Ended December 31,
2020
$ (134,559)    $ (120,966)    $ (80,985)
—
—
(39,981)
$ (120,966)

—  
—
(27,265)
$ (161,824)

—  
58
(13,651)
$ (134,559)

The Company files tax returns as prescribed by the tax laws of the jurisdictions in which it operates.  In the normal
course of business, the Company is subject to examination by federal and state jurisdictions, where applicable. There are
currently  no  pending  income  tax  examinations.  The  Company’s  tax  years  are  still  open  under  statute  from  2019  to  the
present.  All open years may be examined to the extent that tax credit or NOLs are used in future periods.  The Company’s
policy is to record interest and penalties related to income taxes as part of its income tax provision.  

14. Related Party Transactions

Mallinckrodt plc

In  April  2018,  Bryan  Reasons  was  appointed  to  the  Company’s  board  of  directors.  Subsequently,  in  March  2019,  Mr.
Reasons  became  the  Chief  Financial  Officer  of  Mallinckrodt  plc.    Prior  to  Mr.  Reasons  joining  Mallinckrodt  plc,  the
Company  entered  into  a  master  services  agreement  with  a  subsidiary  of  Mallinckrodt  plc,  pursuant  to  which  Confluence
provides  laboratory  services  to  a  subsidiary  (“Mallinckrodt”)  in  the  ordinary  course  of  business.  Mr.  Reasons  was  not
involved in the negotiation or execution of the agreement, but may be deemed to have an interest in the ongoing transactions
based on his employment as an executive officer of Mallinckrodt plc.  During the years ended December 31, 2021 and 2020,
the Company invoiced Mallinckrodt for $24 thousand and $0.3 million, respectively, under the master services agreement.
 As of December 31, 2021 and 2020, the Company had $0 and $24 thousand of outstanding accounts receivable balances
from Mallinckrodt.  Mr. Reasons had no financial interest in these transactions.

15. Agreements Related to Intellectual Property

Asset Purchase Agreement – EPI Health, LLC

In  October  2019,  the  Company  sold  RHOFADE  to  EPI  Health  pursuant  to  an  asset  purchase  agreement.    EPI
Health agreed to pay the Company a high single-digit royalty calculated as a percentage of net sales on a country-by-country
basis until the date that the patent rights related to RHOFADE have expired or, if later, ten years from the date of the first
commercial sale of RHOFADE in such country.  The Company recorded royalty income under the asset purchase agreement
of $0.8  million  and  $0.7  million  during  the  years  ended  December  31,  2021  and  2020,  respectively.    Royalty  income  is
included in other revenue on the consolidated statements of operations and comprehensive loss.  EPI Health has also agreed
to pay the Company potential sales milestone payments of up to $20.0  million  in  the  aggregate  upon  the  achievement  of
specified  levels  of  net  sales  of  products  covered  by  the  asset  purchase  agreement,  and  25%  of  any  upfront,  license,
milestone, maintenance or fixed payment received by EPI Health in connection with any license or sublicense of the assets
transferred in the disposition in any territory outside of the United States, subject to specified exceptions.

Asset Purchase Agreement – Allergan Sales, LLC

In November 2018, the Company acquired RHOFADE from Allergan Sales, LLC (“Allergan”) pursuant to an asset
purchase agreement.  The Company agreed to pay Allergan specified royalties, ranging from a mid-single digit percentage
to a mid-teen percentage of net sales, subject to specified reductions, limitations and other adjustments.  The

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Company incurred royalties earned by Allergan under the asset purchase agreement of $0, $0 and $1.4 million during the
years ended December 31, 2021, 2020 and 2019, respectively.  

Agreement and Plan of Merger - Confluence

In  August  2017,  the  Company  entered  into  an  Agreement  and  Plan  of  Merger,  pursuant  to  which  it  acquired
Confluence  (the  “Confluence  Agreement”).    Under  the  Confluence  Agreement,  the  Company  agreed  to  pay  the  former
Confluence equity holders aggregate remaining contingent consideration of up to $75.0 million based upon the achievement
of specified regulatory and commercial milestones set forth in the Confluence Agreement. In addition, the Company agreed
to pay the former Confluence equity holders future royalty payments calculated as a low single-digit percentage of annual
net sales, subject to specified reductions, limitations and other adjustments, until the date that all of the patent rights for that
product have expired, as determined on a country-by-country and product-by-product basis or, in specified circumstances,
ten years from the first commercial sale of such product. In addition to the payments described above, if the Company sells,
licenses or transfers any of the intellectual property acquired from Confluence pursuant to the Confluence Agreement to a
third  party,  the  Company  will  be  obligated  to  pay  the  former  Confluence  equity  holders  a  portion  of  any  consideration
received from such sale, license or transfer in specified circumstances.

As of December 31, 2021 and December 31, 2020, the balance of the Company’s contingent consideration liability

was $28.4 million and $4.1 million, respectively (see Note 4).  

License and Collaboration Agreement – Rigel Pharmaceuticals, Inc.

In August 2015, the Company entered into an exclusive, worldwide license and collaboration agreement with Rigel
Pharmaceuticals,  Inc.  (“Rigel”)  for  the  development  and  commercialization  of  products  containing  two  specified  JAK
inhibitors.  During the year ended December 31, 2019, the Company made a milestone payment of $4.0 million to Rigel
upon the achievement of a specified development milestone which is included in research and development expenses on the
Company’s consolidated statement of operations. In connection with an amendment of the agreement with Rigel in October
2019, the Company paid Rigel an amendment fee of $1.5 million during the year ended December 31, 2020. The Company
terminated the license and collaboration with Rigel effective as of April 2021.

16. Retirement Savings Plan

The  Company  has  a  defined  contribution  savings  plan  under  Section  401(k)  of  the  Internal  Revenue  Code.  This
plan covers substantially all employees who meet minimum age and service requirements and allows participants to defer a
portion of their annual compensation on a pre-tax basis. Company contributions to the plan may be made at the discretion of
the Company’s board of directors. The Company has elected to match employee contributions to the 401(k) Plan up to 4%
of the employee’s earnings, subject to certain limitations.  Company contributions under the 401(k) Plan were $0.3 million,
$0.4 million and $0.7 million for the years ended December 31, 2021, 2020 and 2019, respectively.  

17. Restructuring Charges

In September 2019, the Company announced the completion of a strategic review and its decision to refocus on its
immuno-inflammatory  development  programs  and  to  actively  seek  partners  for  its  commercial  products.   As  a  result,  the
Company  terminated  63  employees  (“terminated  employees”)  and  gave  notice  to  an  additional  23  employees  (“noticed
employees”) who were asked to provide transition services through termination dates ranging between 4 to 10 months from
the  date  notice  was  given.    The  terminated  employees  were  entitled  to  receive  cash  severance  payments  as  well  as  cash
payments  in  lieu  of  sixty  days’  notice  required  by  the  Worker  Adjustment  and  Retraining  Notification  Act  (the  “WARN
Act”).  The noticed employees were entitled to receive one-time cash severance payments which were not contingent upon
providing  additional  services  to  the  Company.    In  addition,  certain  noticed  employees  earned  retention  bonuses  if  they
continued to be employed by the Company through certain termination dates.  The Company recorded a restructuring charge
for the one-time severance and WARN Act payments, which was triggered immediately upon either terminating or giving
notice to the impacted employees.  The Company expensed the cost of retention bonuses for noticed employees over their
respective service terms.  During the year ended December 31, 2020, the Company recognized aggregate expenses of $0.1
million and made payments of $0.3 million related to termination benefits for employees.  During the year ended December
31,  2019,  the  Company  recognized  aggregate  expenses  of  $2.7  million  and  made  payments  of  $2.3  million  related  to
termination benefits for employees.  

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18. Discontinued Operations

Significant Accounting Policies

Revenue Recognition

Product Sales, net

The  Company  recognized  revenue  from  product  sales  at  the  point  the  customer  obtained  control  of  the  product,
which generally occurred upon delivery.  The Company also included estimates of variable consideration in the same period
revenue  was  recognized.    Components  of  variable  consideration  include  trade  discounts  and  allowances,  product  returns,
government  rebates,  discounts  and  rebates,  other  incentives  such  as  patient  co-pay  assistance,  and  other  fee  for  service
amounts.    Variable  consideration  was  recorded  on  the  consolidated  balance  sheet  as  either  a  reduction  of  accounts
receivable, if payable to a customer, or as a current liability, if payable to a third party other than a customer.  The Company
considered all relevant information when estimating variable consideration such as contractual and statutory requirements,
specific known market events and trends, industry data and forecasted customer buying and payment patterns.  The amount
of  net  revenue  that  can  be  recognized  is  constrained  by  estimates  of  variable  consideration  which  are  included  in  the
transaction price.  Payment terms with customers did not exceed one year and, therefore, the Company did not account for a
financing  component  in  its  arrangements.    The  Company  expensed  incremental  costs  of  obtaining  a  contract  with  a
customer, including sales commissions, when incurred as the period of benefit was less than one year.  

Trade  Discounts  and  Allowances  -  The  Company  provided  customers  with  trade  discounts,  rebates,  allowances
and/or other incentives.  The Company recorded estimates for these items as a reduction of revenue in the same period the
revenue was recognized.  

Government  and  Payor  Rebates  -  The  Company  contracted  with,  or  was  subject  to  arrangements  with,  certain
third-party payors, including pharmacy benefit managers and government agencies, for the payment of rebates with respect
to utilization of its commercial products.  The Company also entered into agreements with group purchasing organizations
that provided for administrative fees and discounted pricing in the form of volume-based rebates.  The Company was also
subject to discount and rebate obligations under state Medicaid programs and Medicare.  The Company recorded estimates
for these discounts and rebates as a reduction of revenue in the same period the revenue was recognized.  

Other Incentives - The Company maintained a co-pay assistance program which was intended to provide financial
assistance  to  qualified  commercially-insured  patients  with  prescription  drug  co-payments  required  by  third-party  payors.
 The Company estimated and recorded accruals for these incentives as a reduction of revenue in the period the revenue was
recognized.      The  Company  estimated  amounts  for  co-pay  assistance  based  upon  the  number  of  claims  and  the  cost  per
claim that the Company expected to receive associated with product that had been sold to customers but remained in the
distribution channel at the end of each reporting period.  

Product Returns - Consistent with industry practice, the Company had a product returns policy for RHOFADE that
provided customers a right of return for product purchased within a specified period prior to and subsequent to the product’s
expiration date. The right of return lapses upon shipment of the product to a patient.  The Company recorded an estimate for
the  amount  of  its  products  which  may  be  returned  as  a  reduction  of  revenue  in  the  period  the  related  revenue  was
recognized.  The  Company’s  estimate  for  product  returns  was  based  upon  available  industry  data  and  its  own  sales
information,  including  its  visibility  into  the  inventory  remaining  in  the  distribution  channel.    There  is  no  return  liability
associated with sales of ESKATA (hydrogen peroxide) topical solution, 40% (w/w) (“ESKATA”), as the Company had a no
returns policy for ESKATA when it was commercialized.

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Intangible Assets

During  the  year  ended  December  31,  2019,  the  Company  performed  an  impairment  analysis  of  the  RHOFADE
intangible asset due to its decision to discontinue commercial operations and actively seek a commercialization partner for
RHOFADE.  The Company’s impairment analysis, which primarily utilized a market-participant’s indication of fair value,
resulted in a fair value for the RHOFADE intangible asset which was less than its carrying value.  As a result, the Company
recorded an impairment charge of $27.6 million, which is included in discontinued operations on the consolidated statement
of operations, to adjust the carrying value of the RHOFADE intangible asset to its net realizable value (see Note 3).

Financial Information

The  components  of  income  (loss)  from  discontinued  operations  as  reported  in  the  Company’s  consolidated

statement of operations were as follows:  

(In thousands, except share and per share data)
Revenues:

Product sales, net

Total revenue, net

Costs and expenses:

Cost of revenue (excludes amortization)
Research and development
Sales and marketing
General and administrative
Intangible asset impairment
Amortization of definite-lived intangible

Total costs and expenses
Income (loss) from operations

Other income, net
Income (loss) from discontinued operations

Net income (loss) from discontinued operations per share, basic and
diluted
Weighted average common shares outstanding, basic and diluted

Year Ended
December 31, 
2020

2019

2021

    $

—     $
—

$

424
424

13,896
13,896

—
—
—
—
—
—
—
—

$

—
— $

—
1
283
1
—
—
285
139

—
139

$

4,522
503
23,112
2,929
27,638
4,426
63,130
(49,234)

1,422
(47,812)

$
  56,730,583

— $

0.00
  42,539,293

(1.16)
$
  41,323,921

The following table presents the details of product sales, net included in discontinued operations:

(In thousands)
ESKATA
RHOFADE
     Total product sales, net

Year Ended
December 31, 
2020

2021

$

$

—      $
—
— $

— $
424
424 $

2019

312
13,584
13,896

The Company recorded $0.4 million of RHOFADE product sales, net during the year ended December 31, 2020

due to a reversal of previously accrued product sales-related reserves.

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The following table presents information related to liabilities reported as discontinued operations in the Company’s

consolidated balance sheet:

(In thousands)
Accounts payable
Accrued expenses
     Discontinued operations - current liabilities

19. Segment Information

December 31, 
2021

December 31,
2020

$

$

— $

2,202
2,202

$

1,175
1,936
3,111

The  Company  has  two  reportable  segments,  therapeutics  and  contract  research.    The  therapeutics  segment  is
focused  on  identifying  and  developing  innovative  therapies  to  address  significant  unmet  needs  for  immuno-inflammatory
diseases. The contract research segment earns revenue from the provision of laboratory services.  Contract research revenue
is generally evidenced by contracts with clients which are on an agreed upon fixed-price, fee-for-service basis.  Corporate
and other includes general and administrative expenses as well as eliminations of intercompany transactions.  The Company
does not report balance sheet information by segment since it is not reviewed by the chief operating decision maker, and all
of the Company’s tangible assets are held in the United States.  

The  Company’s  results  of  operations  by  segment  for  the  years  ended  December  31,  2021,  2020  and  2019  are

summarized in the tables below:

(In thousands)
Year Ended December 31, 2021
Total revenue
Cost of revenue
Research and development
General and administrative
Revaluation of contingent consideration
Loss from operations

(In thousands)
Year Ended December 31, 2020
Total revenue
Cost of revenue
Research and development
General and administrative
Revaluation of contingent consideration
Loss from operations
Income (loss) from discontinued operations

(In thousands)
Year Ended December 31, 2019
Revenue, net
Cost of revenue
Research and development
Revaluation of contingent consideration
Goodwill impairment
General and administrative
Loss from operations
Loss from discontinued operations

Intersegment Revenue

Contract
Therapeutics Research
$ 13,447
$
11,885
—
3,047
—
$ (1,485)

932
—
44,259
—
24,339
(67,666)

$

Corporate
and Other
(7,618)
$
(7,172)
(446)
20,572
—
$ (20,572)

Contract
Therapeutics Research
$ 13,319
$
12,228
—
2,794
—
$ (1,703)
$

696
—
29,777
—
2,393
(31,474)
140

$
$

Contract
Therapeutics Research
— $ 16,824
$
16,253
—
—
64,564
—
734
—
18,504
2,738
620
$ (2,167)
(84,422)
$
(46,305)

$
$

Corporate
and Other
(7,533)
$
(7,095)
(439)
17,736
—
$ (17,735)
(1)

Corporate
and Other
$ (12,597)
(12,198)
(399)
—
—
24,469
$ (24,469)
(1,507)

— $

— $

Total
Company
6,761
$
4,713
43,813
23,619
24,339
(89,723)

$

Total
Company
6,482
$
5,133
29,338
20,530
2,393
(50,912)
139

$
$

Total
Company
4,227
$
4,055
64,165
734
18,504
27,827
$ (111,058)
(47,812)
$

Revenue  for  the  contract  research  segment  included  $7.6  million,  $7.5  million  and  $12.6  million  for  services
performed on behalf of the therapeutics segment for the years ended December 31, 2021, 2020 and 2019, respectively.  All
intersegment revenue has been eliminated in the Company’s consolidated statement of operations.  

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20. Legal Proceedings

Securities Class Action

On  July  30,  2019,  plaintiff  Linda  Rosi  (“Rosi”)  filed  a  putative  class  action  complaint  captioned  Rosi  v.  Aclaris
Therapeutics, Inc., et al. in the U.S. District Court for the Southern District of New York against the Company and certain of
its  executive  officers.    The  complaint  alleged  that  the  defendants  violated  federal  securities  laws  by,  among  other  things,
failing to disclose an alleged likelihood that regulators would scrutinize advertising materials related to ESKATA and find
that  the  materials  minimized  the  risks  or  overstated  the  efficacy  of  the  product.    The  complaint  sought  unspecified
compensatory  damages  on  behalf  of  Rosi  and  all  other  persons  and  entities  that  purchased  or  otherwise  acquired  the
Company’s securities between May 8, 2018 and June 20, 2019. 

On September 5, 2019, an additional plaintiff, Robert Fulcher (“Fulcher”), filed a substantially identical putative

class action complaint captioned Fulcher v. Aclaris Therapeutics, Inc., et al. in the same court against the same defendants.

On November 6, 2019, the court consolidated the Rosi and Fulcher actions (together, the “Consolidated Securities

Action”) and appointed Fulcher “lead plaintiff” for the putative class. 

On  January  24,  2020,  Fulcher  filed  a  consolidated  amended  complaint  in  the  Consolidated  Securities  Action,
naming two additional executive officers as defendants, extending the putative class period to August 12, 2019, and adding
allegations  concerning,  among  other  things,  alleged  statements  and  omissions  throughout  the  putative  class  period
concerning  ESKATA’s  risks,  tolerability  and  effectiveness.  The  defendants  filed  a  motion  to  dismiss  the  consolidated
amended complaint on April 17, 2020. Following briefing and oral argument on February 25, 2021, the motion was granted
in  part  and  denied  in  part  on  March  29,  2021,  and  the  issues  in  dispute  significantly  narrowed.  The  defendants  filed  an
answer to the remaining aspects of the consolidated amended complaint on April 19, 2021.

In  June  2021,  the  defendants  and  the  plaintiffs  agreed  to  settle  the  Consolidated  Securities  Action.  The  parties
signed and filed a settlement agreement in July 2021. On August 18, 2021, the court preliminarily approved the proposed
settlement,  directed  that  notice  be  given  to  the  putative  class  and  scheduled  the  final  approval  settlement  hearing  for
November 30, 2021. Notice was subsequently given to the putative class. The court granted final approval of the settlement
on December 9, 2021.

The  Company  had  $2.65  million  accrued  as  of  December  31,  2021  for  its  financial  obligation.   The  Company’s
financial obligation was within the limits of its insurance coverage and accordingly a receivable for an insurance recovery
equal to the settlement amount was recorded.  The insurance recovery receivable and the litigation settlement liability are
recorded in prepaid expenses and other current assets and accrued expenses, respectively, in the consolidated balance sheet.

Stockholder Derivative Action

On November 15, 2019, plaintiff Keith Allred (“Allred”) filed a derivative stockholder complaint captioned Allred
v. Walker et al. in the U.S. District Court for the Southern District of New York against certain of the Company’s directors
and executive officers.  The complaint alleged that the defendants, among other things, breached their fiduciary duties as
directors and/or officers in connection with the claims alleged in the Consolidated Securities Action.  The complaint sought,
among other things, unspecified compensatory damages on behalf of the Company.  

On November 25, 2019, an additional plaintiff, Bruce Brown (“Brown”), filed a substantially identical complaint

captioned Brown v. Walker et al. in the same court against the same defendants.

On  December  12,  2019,  the  court  consolidated  the  Allred  and  Brown  actions  under  the  caption  In  re  Aclaris
Therapeutics,  Inc.  Derivative  Litigation  (the  “Consolidated  Derivative  Action”)  and  directed  that  future  derivative  cases
filed  in  or  transferred  to  the  court  arising  out  of  substantially  the  same  transactions  or  events  be  similarly  consolidated. 
Thereafter,  on  January  11,  2020,  the  court  stayed  –  subject  to  certain  conditions  –  all  deadlines  in  the  Consolidated
Derivative  Action  pending  resolution  of  the  defendants’  then-anticipated  motion  to  dismiss  the  Consolidated  Securities
Action.  On May 18, 2021, the court extended the stay – subject to certain conditions – until the resolution of a motion for
summary judgment in the Consolidated Securities Action, which defendants in that action intended to file had the parties to
the Consolidated Securities Action not reached an agreement to settle.

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In  June  2021,  the  defendants  and  the  plaintiffs  agreed  to  settle  the  Consolidated  Derivative  Action.   The  agreed
terms require the Company to implement certain policies and for attorneys’ fees to be paid to plaintiff’s counsel. The parties
signed and filed a settlement agreement in July 2021. On August 18, 2021, the court preliminarily approved the proposed
settlement, directed that notice be given to the Company’s stockholders and scheduled the final approval settlement hearing
for November 30, 2021.  Notice was subsequently given to the Company’s stockholders. The court granted final approval of
the settlement on December 9, 2021.

The  Company’s  financial  obligation  under  the  settlement  was  $425  thousand  which  was  within  the  limits  of  its

insurance coverage.

Product Liability Lawsuit

On December 18, 2020, plaintiff Daurie Mancini filed an amended complaint under the caption Daurie Mancini v.
Aclaris Therapeutics, Inc. et al in the Superior Court of New Jersey Ocean County against the Company and certain third
parties alleging injuries as a result of the plaintiff’s alleged treatment with ESKATA in 2019. The amended complaint sought
unspecified compensatory and punitive damages. The Company filed a motion to dismiss the amended complaint on March
15,  2021.  The  Company’s  motion  to  dismiss  was  granted  on  July  9,  2021.  The  Court  dismissed  the  majority  of  claims
against the Company with prejudice. All remaining claims against the Company were dismissed without prejudice.

Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

None.

Item 9A. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Under the supervision of and with the participation of our management, including our chief executive officer, who
is  our  principal  executive  officer,  and  our  chief  financial  officer,  who  is  our  principal  financial  officer,  we  conducted  an
evaluation of the effectiveness of our disclosure controls and procedures as of December 31, 2021, the end of the period
covered by this Annual Report. The term “disclosure controls and procedures,” as set forth in Rules 13a-15(e) and 15d-15(e)
under the Securities Exchange Act of 1934, as amended, or the Exchange Act, means controls and other procedures of a
company that are designed to provide reasonable assurance that information required to be disclosed by a company in the
reports  that  it  files  or  submits  under  the  Exchange  Act  is  recorded,  processed,  summarized  and  reported,  within  the  time
periods  specified  in  the  rules  and  forms  promulgated  by  the  SEC.  Disclosure  controls  and  procedures  include,  without
limitation, controls and procedures designed to provide reasonable assurance that information required to be disclosed by a
company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company’s
management,  including  its  principal  executive  and  principal  financial  officers,  as  appropriate  to  allow  timely  decisions
regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and
operated,  can  provide  only  reasonable  assurance  of  achieving  their  objectives,  and  management  necessarily  applies  its
judgment  in  evaluating  the  cost-benefit  relationship  of  possible  controls  and  procedures.  Based  on  the  evaluation  of  our
disclosure  controls  and  procedures  as  of  December  31,  2021,  our  chief  executive  officer  and  chief  financial  officer
concluded that, as of such date, our disclosure controls and procedures were effective at the reasonable assurance level.

Management’s Report on Internal Control over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting,
as  defined  in  Rules  13a-15(f)  and  15d-15(f)  of  the  Exchange  Act.  Management  conducted  an  assessment  of  our  internal
control over financial reporting based on the framework established in 2013 by the Committee of Sponsoring Organizations
of  the  Treadway  Commission  in  Internal  Control—Integrated  Framework.    Based  on  the  assessment,  management
concluded  that  our  internal  control  over  financial  reporting  was  effective  as  of  December  31,  2021 to provide reasonable
assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in
accordance with U.S. GAAP. Our independent registered public accounting firm, PricewaterhouseCoopers LLP, has issued
an audit report with respect to our internal control over financial reporting, which appears in Part II, Item 8 of this Annual
Report.

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Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting identified in connection with the evaluation
required by Rules 13a-15(d) and 15d-15(d) of the Exchange Act that occurred during the quarter ended December 31, 2021
that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

Limitations on Effectiveness of Disclosure Controls and Procedures and Internal Control over Financial Reporting

In  designing  and  evaluating  the  disclosure  controls  and  procedures  and  internal  control  over  financial  reporting,
management  recognizes  that  any  controls  and  procedures,  no  matter  how  well  designed  and  operated,  can  provide  only
reasonable  assurance  of  achieving  the  desired  control  objectives.  In  addition,  the  design  of  disclosure  controls  and
procedures  and  internal  control  over  financial  reporting  must  reflect  the  fact  that  there  are  resource  constraints  and  that
management is required to apply judgment in evaluating the benefits of possible controls and procedures relative to their
costs.

Item 9B. Other Information

Not applicable.

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

Not applicable.

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PART III

We  will  file  a  definitive  Proxy  Statement  for  our  2022  Annual  Meeting  of  Stockholders,  or  the  2022  Proxy
Statement, with the SEC, pursuant to Regulation 14A, not later than 120 days after the end of our fiscal year. Accordingly,
certain information required by Part III has been omitted under General Instruction G(3) to Form 10-K. Only those sections
of the 2022 Proxy Statement that specifically address the items set forth herein are incorporated by reference.

Item 10. Directors, Executive Officers and Corporate Governance

The  information  required  by  Item  10  is  hereby  incorporated  by  reference  to  the  sections  of  the  2022  Proxy
Statement  under  the  captions  “Information  Regarding  the  Board  of  Directors  and  Corporate  Governance,”  “Election  of
Directors” and “Information about our Executive Officers.”

Item 11. Executive Compensation

The  information  required  by  Item  11  is  hereby  incorporated  by  reference  to  the  sections  of  the  2022  Proxy

Statement under the captions “Executive Compensation” and “Non-Employee Director Compensation.”

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

The  information  required  by  Item  12  is  hereby  incorporated  by  reference  to  the  sections  of  the  2022  Proxy
Statement  under  the  captions  “Security  Ownership  of  Certain  Beneficial  Owners  and  Management”  and  “Securities
Authorized for Issuance under Equity Compensation Plans.”

Item 13. Certain Relationships and Related Transactions, and Director Independence

The  information  required  by  Item  13  is  hereby  incorporated  by  reference  to  the  sections  of  the  2022  Proxy

Statement under the captions “Transactions with Related Persons” and “Independence of the Board of Directors.”

Item 14. Principal Accountant Fees and Services

The  information  required  by  Item  14  is  hereby  incorporated  by  reference  to  the  sections  of  the  2022  Proxy

Statement under the caption “Ratification of Selection of Independent Registered Public Accounting Firm.”

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PART IV

Item 15.  Exhibits and Financial Statement Schedules

(a)    The following documents are filed as part of this report:

(1)    Financial Statements

Our  consolidated  financial  statements  are  listed  in  the  “Index  to  Consolidated  Financial  Statements”

under Part II. Item 8 of this Annual Report on Form 10-K.

(2)    Financial Statement Schedules

Financial  statement  schedules  have  been  omitted  in  this  report  because  they  are  not  applicable,  not
required under the instructions, or the information required is set forth in the consolidated financial statements
or related notes thereto.

(3)    Exhibits

See exhibits listed under part (b) below.

(b)    Exhibits

Exhibit
Number

Description of Document

2.1# Agreement and Plan of Merger, dated as of August 3, 2017, by and among the Registrant, Aclaris Life

Sciences, Inc., Confluence Life Sciences, Inc. and Fortis Advisors LLC (incorporated by reference to Exhibit
2.1 to the Registrant’s Quarterly Report on Form 10-Q (File No. 001-37581), filed with the SEC on November
7, 2017).

2.2˄& Asset Purchase Agreement, by and between the Registrant and EPI Health, LLC, dated as of October 10, 2019
(incorporated by reference to Exhibit 2.1 to the Registrant’s Current Report on Form 8-K (File No. 001-
37581), filed with the SEC on October 11, 2019).

3.1 Amended and Restated Certificate of Incorporation of the Registrant (incorporated by reference to Exhibit 3.1
to the Registrant’s Current Report on Form 8-K (File No. 001-37581), filed with the SEC on October 13,
2015).

3.2 Amended and Restated Bylaws of the Registrant (incorporated by reference to Exhibit 3.1 to the Registrant’s

4.1

Current Report on Form 8-K (File No. 001-37581), filed with the SEC on June 24, 2020).
Specimen stock certificate evidencing shares of Common Stock (incorporated by reference to Exhibit 4.1 to
Amendment No. 2 to the Registrant’s Registration Statement on Form S-1 (File No. 333-206437), filed with
the SEC on September 25, 2015).

4.2 Description of Securities (incorporated by reference to Exhibit 4.2 to the Registrant’s Annual Report on

Form 10-K (File No. 001-37581), filed with the SEC on February 25, 2021).

10.1+ Amended and Restated 2012 Equity Compensation Plan (incorporated by reference to Exhibit 10.7 to

10.2+

10.3+

10.4+

10.5+

Amendment No. 1 to the Registrant’s Registration Statement on Form S-1 (File No. 333-206437), filed with
the SEC on September 4, 2015).
Form of Stock Option Grant under Amended and Restated 2012 Equity Compensation Plan (incorporated by
reference to Exhibit 10.8 to the Registrant’s Registration Statement on Form S-1 (File No. 333-206437), filed
with the SEC on August 17, 2015).
2015 Equity Incentive Plan (incorporated by reference to Exhibit 4.6 to the Registrant’s Registration
Statement on Form S-8 (File No. 333-207434), filed with the SEC on October 15, 2015).
Form of Stock Option Grant Notice and Stock Option Agreement under 2015 Equity Incentive Plan
(incorporated by reference to Exhibit 10.10 to Amendment No. 2 to the Registrant’s Registration Statement on
Form S-1 (File No. 333-206437), filed with the SEC on September 25, 2015).
Form of Restricted Stock Unit Grant Notice and Restricted Stock Unit Award Agreement under 2015 Equity
Incentive Plan (incorporated by reference to Exhibit 10.11 to Amendment No. 2 to the Registrant’s
Registration Statement on Form S-1 (File No. 333-206437), filed with the SEC on September 25, 2015).

110

   
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10.6+

Form of Performance Stock Option Grant Notice and Stock Option Agreement used in connection with the
2015 Equity Incentive Plan (incorporated by reference to Exhibit 10.11 to the Registrant’s Annual Report on
Form 10-K (File No. 001-37581), filed with the SEC on March 18, 2019).
Form of Performance Restricted Stock Unit Grant Notice and Restricted Stock Unit Award Agreement used in
connection with the 2015 Equity Incentive Plan (incorporated by reference to Exhibit 10.12 to the Registrant’s
Annual Report on Form 10-K (File No. 001-37581), filed with the SEC on March 18, 2019).
10.8+ Aclaris Therapeutics, Inc. Inducement Plan (incorporated herein by reference to Exhibit 10.1 to the

10.7+

10.9+

10.10+

10.11+

Registrant’s Current Report on Form 8-K (File No. 001-37581), filed with the SEC on August 1, 2017).
Form of Stock Option Grant Notice and Stock Option Agreement used in connection with the Aclaris
Therapeutics, Inc. Inducement Plan (incorporated herein by reference to Exhibit 10.2 to the Registrant’s
Current Report on Form 8-K (File No. 001-37581), filed with the SEC on August 1, 2017).
Form of Restricted Stock Unit Grant Notice and Restricted Stock Unit Award Agreement used in connection
with the Aclaris Therapeutics, Inc. Inducement Plan (incorporated herein by reference to Exhibit 10.3 to the
Registrant’s Current Report on Form 8-K (File No. 001-37581), filed with the SEC on August 1, 2017).
Form of Indemnification Agreement (incorporated by reference to Exhibit 10.12 to the Registrant’s
Registration Statement on Form S-1 (File No. 333-206437), filed with the SEC on August 17, 2015).
Sixth Amended and Restated Non-Employee Director Compensation Policy.

10.12+*
10.13+ Amended and Restated Employment Agreement, dated as of January 12, 2022, by and between the Registrant
and Neal Walker (incorporated herein by reference to Exhibit 10.1 to the Registrant’s Current Report on Form
8-K (File No. 001-37581), filed with the SEC on January 14, 2022).

10.14+ Amended and Restated Employment Agreement, dated as of January 12, 2022, by and between the Registrant
and Frank Ruffo (incorporated herein by reference to Exhibit 10.1 to the Registrant’s Current Report on Form
8-K (File No. 001-37581), filed with the SEC on January 14, 2022).

10.15+* Employment Agreement, dated as of January 12, 2022, by and between the Registrant and Joseph Monahan.
10.16+* Employment Agreement, dated as of January 31, 2022, by and between the Registrant and James Loerop.
10.17+*

10.18+*

10.19

10.20

10.21

10.22

Severance Agreement and General Release, dated as of November 1, 2021, by and between the Registrant and
Kamil Ali-Jackson.
Severance Agreement and General Release, dated as of January 7, 2022, by and between the Registrant and
David Gordon.
Sublease, dated November 2, 2017, by and between the Registrant and Auxilium Pharmaceuticals, LLC
(incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K (File No. 001-
37581), filed with the SEC on November 2, 2017).
First Amendment to Sublease, dated as of December 13, 2017, by and between the Registrant and Auxilium
Pharmaceuticals, LLC (incorporated by reference to Exhibit 10.27 to the Registrant’s Annual Report on Form
10-K (File No. 001-37581), filed with the SEC on March 18, 2019).
Second Amendment to Sublease, dated as of April 29, 2020, by and between the Registrant and Auxilium
Pharmaceuticals, LLC (incorporated by reference to Exhibit 10.5 to the Registrant’s Quarterly Report on Form
10-Q (File No. 001-37581), filed with the SEC on May 7, 2020).
Sales Agreement, dated May 20, 2021, by and among the Registrant, SVB Leerink LLC and Cantor Fitzgerald
& Co. (incorporated herein by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K (File
No. 001-37581), filed with the SEC on May 20, 2021).
Seventh Amended and Restated Non-Employee Director Compensation Policy.
Subsidiaries of the Registrant.

10.23+*
21.1*
23.1* Consent of PricewaterhouseCoopers LLP, independent registered public accounting firm.
24.1*
31.1* Certification of Principal Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a) promulgated under the

Power of Attorney (contained on signature page hereto).

Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

31.2* Certification of Principal Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a) promulgated under the

Securities Exchange Act of 1934, as adopted pursuant to section 302 of the Sarbanes-Oxley Act of 2002.

32.1 *† Certification of Principal Executive Officer and Principal Financial Officer pursuant to Rules 13a-14(b) and
15d-14(b) promulgated under the Securities Exchange Act of 1934 and 18 U.S.C. Section 1350, as adopted
pursuant to section 906 of The Sarbanes-Oxley Act of 2002.

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101.INS XBRL Instance Document (the instance document does not appear in the Interactive Data File because its

XBRL tags are embedded within the Inline XBRL document)

101.SCH Inline XBRL Taxonomy Extension Schema Document
101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF
Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document

104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

*
†

Filed herewith.
This certification is being furnished solely to accompany this Annual Report pursuant to 18 U.S.C. Section 1350, and
are not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be
incorporated by reference into any filing of the Registrant, whether made before or after the date hereof, regardless of
any general incorporation language in such filing.
Indicates management contract or compensatory plan.

+
# Confidential  treatment  has  been  granted  with  respect  to  portions  of  this  exhibit  (indicated  by  asterisks)  and  those

˄

portions have been separately filed with the SEC.
Pursuant to Item 601(a)(5) of Regulation S-K promulgated by the SEC, certain exhibits and schedules to this agreement
have been omitted. The Company hereby agrees to furnish supplementally to the SEC, upon its request, any or all of
such omitted exhibits or schedules. 

& Pursuant to Item 601(b)(2)(ii) of Regulation S-K promulgated by the SEC, certain portions of this exhibit have been
redacted because such portions, indicated by asterisks, are both not material and would likely cause competitive harm to
the Company if publicly disclosed. The Company hereby agrees to furnish supplementally to the SEC, upon its request,
an unredacted copy of the exhibit.

Item 16.  Form 10-K Summary

Not applicable.

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Pursuant  to  the  requirements  of  Section  13  or  15(d)  of  the  Securities  Exchange  Act  of  1934,  as  amended,  the

registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

SIGNATURES

ACLARIS THERAPEUTICS, INC.

By:

/s/ Neal Walker
Neal Walker
President and Chief Executive Officer

Date:  February 24, 2022

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and
appoints Neal Walker and Frank Ruffo, jointly and severally, as his or her true and lawful attorneys-in-fact and agents, with
full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities,
to sign this Annual Report on Form 10-K of Aclaris Therapeutics, Inc., and any or all amendments thereto, and to file the
same,  with  all  exhibits  thereto,  and  other  documents  in  connection  therewith,  with  the  Securities  and  Exchange
Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act
and thing requisite or necessary to be done in and about the premises hereby ratifying and confirming all that said attorneys-
in-fact and agents, or his, her or their substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

Pursuant  to  the  requirements  of  the  Securities  Exchange  Act  of  1934,  as  amended,  this  report  has  been  signed

below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

Signature

/s/ Neal Walker
Neal Walker

/s/ Frank Ruffo
Frank Ruffo

/s/ Christopher Molineaux
Christopher Molineaux

/s/ Anand Mehra, M.D.
Anand Mehra, M.D.

/s/ William Humphries
William Humphries

/s/ Andrew Powell
Andrew Powell

/s/ Andrew Schiff
Andrew Schiff

/s/ Bryan Reasons
Bryan Reasons

/s/ Maxine Gowen
Maxine Gowen

/s/ Vincent Milano
Vincent Milano

Title

President, Chief Executive Officer and Director
(Principal Executive Officer)

Chief Financial Officer
(Principal Financial Officer and Principal
Accounting Officer)

Date

February 24, 2022

February 24, 2022

Chairman of the Board of Directors

February 24, 2022

Director

Director

Director

Director

Director

Director

Director

113

February 24, 2022

February 24, 2022

February 24, 2022

February 24, 2022

February 24, 2022

February 24, 2022

February 24, 2022

  
  
Exhibit 10.12

ACLARIS THERAPEUTICS, INC.

SIXTH AMENDED & RESTATED
NON-EMPLOYEE DIRECTOR COMPENSATION POLICY

Each  member  of  the  Board  of  Directors  (the  “Board”)  who  is  not  also  serving  as  an  employee  of  Aclaris
Therapeutics,  Inc.  (the  “Company”)  (each  such  member,  an  “Eligible  Director”)  will  receive  the  compensation
described in this Sixth Amended & Restated Non-Employee Director Compensation Policy (this “Policy”) for his or her
Board service effective as of November 10, 2021 (the “Effective Date”).  An Eligible Director may decline all or any
portion of his or her compensation by giving notice to the Company prior to the date cash is to be paid or equity awards
are to be granted, as the case may be.  This Policy may be amended at any time in the sole discretion of the Board or the
Compensation  Committee  of  the  Board.  The  terms  and  conditions  of  this  Policy  shall  supersede  any  prior  Non-
Employee Director Compensation Policy of the Company.

Annual Cash Compensation

The annual cash compensation amount set forth below is payable in equal quarterly installments, payable in arrears on
the last day of each fiscal quarter in which the service occurred.  If an Eligible Director joins the Board or a committee
of the Board at a time other than effective as of the first day of a fiscal quarter, each annual retainer set forth below will
be pro-rated based on days served in the applicable fiscal year, with the pro-rated amount paid for the first fiscal quarter
in which the Eligible Director provides the service, and regular full quarterly payments thereafter.  All annual cash fees
are vested upon payment.

1.

2.

Annual Board Service Retainer:

a.

All Eligible Directors: $40,000

Annual Committee Member Service Retainer:

a.
b.
c.
d.

Member of the Audit Committee: $7,500
Member of the Compensation Committee: $6,000
Member of the Nominating and Corporate Governance Committee: $4,500
Member of the Research and Development Committee: $6,000

3.

Annual Committee Chair Service Retainer (in addition to Committee Member Service Retainer):

a.
b.
c.
d.

Chair of the Audit Committee: $12,500
Chair of the Compensation Committee: $8,000
Chair of the Nominating and Corporate Governance Committee: $4,500
Chair of the Research and Development Committee: $8,000

4.

Annual Chair of the Board Service Retainer (in addition to Board Service Retainer): $30,000

Equity Compensation

The equity compensation set forth below will be granted under the Company’s 2015 Equity Incentive Plan (the “Plan”).
 All stock options granted under this Policy will be nonstatutory stock options, with an exercise price per share equal to
100%  of  the  Fair  Market  Value  (as  defined  in  the  Plan)  of  the  Company’s  underlying  common  stock  (the  “Common
Stock”)  on  the  date  of  grant,  and  have  a  term  of  ten  years  from  the  date  of  grant  (subject  to  earlier  termination  in
connection with a termination of service as provided in the Plan).

1.
Initial Grant: On the date of the Eligible Director’s initial election to the Board, for each Eligible Director who
is first elected to the Board following the Effective Date (or, if such date is not a market trading day, the first market
trading  day  thereafter),  the  Eligible  Director  will  be  automatically,  and  without  further  action  by  the  Board  or
Compensation Committee of the Board, granted awards (the “Initial Award”) with an aggregate grant date fair value (as
calculated for financial reporting purposes) equal to the lesser of $320,000 and the grant date fair value of 17,500

 
 
 
 
 
 
 
 
 
 
 
 
stock options, 70% of which shall be granted as a stock option to purchase shares of the Company’s Common Stock and
30% of which shall be granted as restricted stock units. The shares subject to each such stock option will vest in equal
monthly installments for 12 months and the restricted stock units will vest in one installment on the first anniversary of
the grant date, subject to the Eligible Director’s Continuous Service (as defined in the Plan) through such vesting dates.

2.
  Annual  Grant:  On  the  date  of  each  annual  stockholders  meeting  of  the  Company  held  on  and  after  the
Effective Date, each Eligible Director who continues to serve as a non-employee member of the Board following such
stockholders meeting will be automatically, and without further action by the Board or Compensation Committee of the
Board,  granted  awards  (the  “Annual  Award”)  with  an  aggregate  grant  date  fair  value  (as  calculated  for  financial
reporting purposes) equal to the lesser of $320,000 and the grant date fair value of 17,500 stock options, 70% of which
shall  be  granted  as  a  stock  option  to  purchase  shares  of  the  Company’s  Common  Stock  and  30%  of  which  shall  be
granted as restricted stock units; provided that in no event shall the aggregate grant date fair value of an Annual Award
together with an Initial Award in a fiscal year exceed $320,000 for any Eligible Director. The shares subject to each
such stock option will vest in equal monthly installments for 12 months and the restricted stock units will vest in one
installment on the first anniversary of the grant date, subject to the Eligible Director’s Continuous Service through such
vesting dates.

 
Exhibit 10.15

EMPLOYMENT AGREEMENT

This  EMPLOYMENT  AGREEMENT  (the  “Employment  Agreement”),  effective  as  of
January  12,  2022  (“Agreement  Effective  Date”),  is  made  by  and  between  Aclaris  Therapeutics,
Inc.,  a  corporation  organized  under  the  laws  of  the  State  of  Delaware  (“Employer”)  and  Joseph
Monahan (“Executive”).

WHEREAS, Executive desires to continue to provide services to Employer and Employer

desires to continue to retain the services of Executive;

WHEREAS,  Employer  and  Executive  desire  to  formalize  the  terms  and  conditions  of

Executive’s employment with Employer; and

WHEREAS,  this  Employment  Agreement  has  been  duly  approved  and  its  execution  has

been duly authorized by the Compensation Committee of Employer’s Board of Directors.

NOW, THEREFORE, Employer and Executive hereby agree as follows:

SECTION 1. EMPLOYMENT

1.1

General. Employer hereby agrees to continue to employ Executive in the capacity of
Chief Scientific Officer (“CSO”). Executive hereby accepts such continued employment upon the
terms and subject to the conditions herein contained.

1.2

Authority  and  Duties.  Executive  shall  have  full  responsibility  as  the  CSO  of
Employer and all authority normally accorded to such position. Executive agrees to perform such
duties  and  responsibilities  commensurate  with  the  position  of  CSO  as  may  reasonably  be
determined by the Board of Directors of Employer (the “Board”).

1.2.1  Reporting.  During  Executive’s  employment  with  Employer,  Executive  will

report directly to, and take direction from, the Chief Executive Officer (the “CEO”).  

that  would 

1.2.2 Time to Be Devoted to Employment. During Executive’s Employment with
Employer, Executive shall diligently devote his efforts, business time, attention and energies to the
business of Employer and will not, while employed by Employer, undertake or engage in any other
employment,  occupation  or  business  enterprise 
interfere  with  Executive’s
responsibilities and the performance of Executive’s duties hereunder except for (i) reasonable time
devoted to volunteer services for or on behalf of such religious, educational, non-profit and/or other
charitable organization as Executive may wish to serve, (ii) reasonable time devoted to activities in
the  non-profit  and  business  communities  consistent  with  Executive’s  duties;  and  (iii)  reasonable
time devoted to service as a member of the board of directors of the entities listed on Exhibit A or
as  otherwise  permitted  pursuant  to  Section  1.3.  This  restriction  shall  not,  however,  preclude
Executive (x) from owning less than one percent (1%) of the total outstanding shares of a publicly
traded company, or (y) from employment or service in any capacity with Affiliates of Employer.  As
used in this Employment Agreement, “Affiliates” means an entity under common management or
control with Employer.

1

1.3

Other  Responsibilities.  Notwithstanding  Section  1.2.2  above,  Executive  will  not
engage in any other for-profit business, profession or occupation, including as a member of a board
of  directors  of  any  third  party,  for  compensation  which  would  materially  conflict  or  materially
interfere  with  the  rendition  of  services  hereunder,  without  the  prior  written  consent  of  the  Board,
which shall not be unreasonably withheld.  Any uncertainty as to whether such a conflict exists will
be raised by Executive for determination by the Board, acting reasonably. The Board acknowledges
that  Executive  has  ongoing  participation  in  other  private  and  public  businesses  that  have  been
disclosed by Executive and are listed on Exhibit A and that such participation does not, in any way,
conflict  with  his  role  at  Employer.    Except  for  the  businesses  listed  on  Exhibit  A,  which  have
already been approved, Executive agrees to disclose to the Board and receive prior written consent
from the Board to participate as a director, with any competing company whether it is a private or
public  company.  Executive  further  agrees  to  disclose  any  other  director  positions  with  any  other
company that may materially affect his ability to perform his duties and responsibilities under this
Employment  Agreement.    Notwithstanding  the  above,  nothing  herein  shall  limit  or  preclude
Executive from managing any passive investments made by Executive.

1.4

Location  of  Employment.  Executive’s  principal  place  of  employment  during  his
employment  with  Employer  shall  be  in  Wayne,  Pennsylvania  or  such  other  location  as  Employer
and Executive shall agree.

SECTION 2.  COMPENSATION AND BENEFITS

2.1

Salary. Employer will pay to Executive an annual base salary of $350,000 payable
subject  to  standard  federal  and  state  payroll  withholding  requirements  in  accordance  with  the
regular payroll practices of Employer (“Base Salary”). The annual Base Salary may be increased
(but  not  decreased)  during  the  term  of  this  Employment  Agreement  by  the  Board  in  its  sole
discretion.

2.2

Additional  Compensation.  In  addition  to  the  salary  set  forth  in  Section  2.1,
Executive shall be entitled to receive a cash bonus in accordance with the terms of this Section 2.2.
For each fiscal year of Employer, beginning January 1, during the Employment Term (as defined in
Section 2.4 hereof), Executive shall be eligible to receive a cash bonus based on (i) the “Annual
Bonus Expectancy Amount,” which shall be an amount equal to 40% of Executive’s Base Salary
for  the  applicable  fiscal  year,  and  (ii)  Executive’s  attainment  of  performance  targets  and  other
reasonable criteria established by the Board, to the extent possible, by the end of the first month of
such fiscal year. Depending on the targets and criteria which are achieved or met, the amount of the
cash bonus actually payable to Executive for each fiscal year will be an amount from zero to and
including the Annual Bonus Expectancy Amount. Any cash bonus amount payable pursuant to this
Section 2.2 shall be paid to Executive as soon as practicable, but in no event later than two and one-
half (2 1/2) months, following the end of the fiscal year to which it relates. For the avoidance of
doubt, Executive does not have to be employed by Employer on the date such bonus is approved or
paid by Employer to receive such bonus.

2.3

Executive Benefits. In addition to the salary and additional compensation set forth
in Sections 2.1 and 2.2, Executive shall also be entitled to the following benefits during Executive’s
employment hereunder:

2

2.3.1  Expenses.  Employer  will  promptly  reimburse  Executive  for  expenses  he
reasonably incurs in connection with the performance of his duties (including business travel and
entertainment expenses), in accordance with Employer’s standard expense reimbursement policy, as
the same may be modified by Employer from time to time; provided, however, that Executive has
provided  Employer  with  documentation  of  such  expenses  in  accordance  with  the  Employer’s
expense reimbursement policies and applicable tax requirements. For the avoidance of doubt, to the
extent that any reimbursements payable to Executive are subject to the provisions of Section 409A
of the Internal Revenue Code of 1986, as amended (the “Code”): (a) any such reimbursements will
be  paid  no  later  than  December  31  of  the  year  following  the  year  in  which  the  expense  was
incurred, (b) the amount of expenses reimbursed in one year will not affect the amount eligible for
reimbursement in any subsequent year, and (c) the right to reimbursement under this Employment
Agreement will not be subject to liquidation or exchange for another benefit.

2.3.2 Employer Plans.  Executive will be eligible to participate on the same basis
as  similarly  situated  employees  in  Employer’s  employee  benefit  plans  and  programs,  as  they
may be interpreted, adopted, revised or deleted from time to time in Employer’s sole discretion,
subject to and on a basis consistent with the terms, conditions and overall administration of such
plans  and  programs.  All  matters  of  eligibility  for  coverage  or  benefits  under  any  benefit  plan
shall  be  determined  in  accordance  with  the  provisions  of  such  plan.  Employer  retains  the
unilateral right to amend, modify or terminate any of its employee benefit plans and programs at
any time.

2.3.3 Vacation. Executive shall be eligible for paid vacation leave (not including
regular holidays) consistent with the needs of the business. Vacation must be scheduled at those
times convenient to Employer’s business as reasonably determined by the CEO.

2.3.4  Coverage.  Nothing  in  this  Employment  Agreement  shall  prevent  Executive
from  participating  in  any  other  compensation  plan  or  benefit  plan  made  available  to  him  by
Employer.

2.3.5 Withholding.  All  compensation  shall  be  subject  to  withholding  of  taxes  and

deductions of other amounts as may be required by law.

2.4       Employment Term. Unless earlier terminated pursuant to Section 3.1, Executive’s
employment by Employer pursuant to this Employment Agreement shall continue until the second
anniversary  of  the  Agreement  Effective  Date  (the  “Initial  Term”).  Thereafter,  this  Employment
Agreement  shall  be  automatically  renewed  for  successive  one  (1)  year  periods  (any  subsequent
employment period being referred to herein as the “Renewal Term”,  and  together  with  the  Initial
Term, the “Employment Term”); provided, however, that either party may elect to not renew this
Employment Agreement by written notice to such effect delivered to the other party at least ninety
(90) days prior to expiration of the Initial Term or the Renewal Term.

3

SECTION 3.  TERMINATION OF EMPLOYMENT

3.1

Events of Termination. Executive’s employment with Employer will terminate

upon the occurrence of any one or more of the following events:

3.1.1  Death.  In  the  event  of  Executive’s  death,  Executive’s  employment  will

terminate on the date of death.

3.1.2  Disability.  In  the  event  of  Executive’s  Disability  (as  hereinafter  defined),
Employer  will  have  the  option  to  terminate  Executive’s  employment  by  giving  a  notice  of
termination  to  Executive.  The  notice  of  termination  shall  specify  the  date  of  termination,  which
date shall not be earlier than thirty (30) calendar days after the notice of termination is given. For
purposes  of  this  Employment  Agreement,  “Disability”  has  the  meaning  set  forth  in  Employer’s
long term disability plan.  

3.1.3 Termination by Employer for Cause. Employer may, at its option, terminate
Executive’s  employment  for  Cause  (as  hereinafter  defined)  by  unilateral  action  of  the  Board  of
Directors  upon  giving  a  notice  of  termination  to  Executive.  “Cause”  shall  mean  (i)  Executive’s
conviction of, or guilty plea to, a felony (other than traffic violations); (ii) any act(s) or omission(s)
by Executive which constitutes gross negligence or a material breach of Executive’s duty of loyalty;
(iii)  any  material  breach  by  Executive  of  Employer’s  personnel  policies;  (iv)  refusal  to  follow  or
implement  a  clear  and  reasonable  directive  of  Employer;  (v)  breach  of  fiduciary  duty;  or  (vi)  a
material  violation  or  breach  by  Executive  of  this  Employment  Agreement  (other  than  an  event
described in the foregoing clauses) or any other agreement between the parties.

3.1.4  Without  Cause  By  Employer.  Employer  may,  at  its  option,  terminate
Executive’s employment for any reason whatsoever (other than for the other reasons set forth above
in this Section 3.1 that would constitute “Cause” to terminate) by giving a notice of termination to
Executive,  and  Executive’s  employment  shall  terminate  on  the  later  of  the  date  the  notice  of
termination is given or the date set forth in such notice of termination.

3.1.5 By Executive. Executive may, at any time, terminate Executive’s employment
for any reason whatsoever by giving a notice of termination to Employer. Executive’s employment
shall terminate on the earlier of (i) thirty (30) calendar days after the date of receipt by Employer of
the notice of termination or (ii) such earlier date as the Employer and Executive shall agree.

this
3.1.6  Termination  Upon  Non-Renewal.  Either  party  may 
Employment  Agreement  and  Executive’s  employment  hereunder  by  providing  the  other  party
notice  in  accordance  with  Section  2.4  above,  in  which  case  this  Employment  Agreement  and
Executive’s  employment  hereunder  shall  terminate  on  the  last  date  of  the  Initial  Term  or  the
Renewal  Term,  as  the  case  may  be.  For  the  avoidance  of  doubt,  Executive  shall  continue  to  be
employed  by  Employer,  on  the  same  terms  and  conditions  as  set  forth  in  this  Employment
Agreement during the ninety (90)-day notice period provided by either party to the other party in
accordance with Section 2.4 above, unless, Employer, in its sole discretion determines that it does
not want Executive to continue to work for Employer, in any capacity, during such notice

terminate 

4

period. In such event, Employer shall pay Executive all compensation in accordance with Section
3.2.3.

3.1.7  For  Good  Reason  by  Executive.  Executive  may,  at  his  option,  terminate
Executive’s employment for “Good Reason” by giving a notice of termination to Employer in the
event that, in the absence of events that would support a termination of Executive for Cause:

(i)

there  is  a  material  failure  of  Employer  (or  successor  employer)  to  pay
Executive’s  salary  or  additional  compensation  or  benefits  hereunder  in  accordance  with  this
Employment Agreement;

(ii)

Executive’s  Base  Salary  is  materially  decreased  without  his  prior  written

consent;

(iii)

Executive  is  assigned  duties  materially  inconsistent  with  his  title  and  the

responsibilities set forth in Executive’s job description, without Executive’s prior written consent;

(iv)

Executive’s place of employment is changed to a location that is greater than
fifty  (50)  miles  from  Executive’s  current  place  of  employment  which  is  contemplated  to  be  in
Wayne, Pennsylvania; or

(v)

any  other  material  violation  or  breach  by  Employer  of  this  Employment
Agreement. Notwithstanding the foregoing, none of the events described in clauses (i) through (iv)
above  shall  constitute  Good  Reason  unless  Executive  shall  have  notified  Employer  in  writing
describing  the  event  which  constitute  Good  Reason  within  thirty  (30)  days  after  Executive  first
becomes aware of such event and then only if Employer shall have failed to reasonably cure such
events,  if  curable,  within  thirty  (30)  days  after  Employer’s  receipt  of  such  written  notice  and
Executive elects to terminate his employment as a result within thirty (30) days following the end
of such thirty (30) day period (assuming, for the avoidance of doubt, that Employer does not elect
to cure).

3.2

Certain  Obligations  of  Employer  Following  Termination  of  Executive’s
Employment.  Following  the  termination  of  Executive’s  employment  under  the  circumstances
described  below,  Employer  will  pay  to  Executive,  subject  to  standard  federal  and  state  payroll
withholding  requirements  and  in  accordance  with  its  regular  payroll  practices,  the  following
compensation  and  provide  the  following  benefits  (provided  that  the  continuing  payments  of
Executive’s  then-current  Base  Salary,  as  described  below,  shall  occur  no  less  frequently  than
monthly):

3.2.1  Death;  Disability;  Termination  by  Employer  Without  Cause  or  by
Executive for Good Reason. In the event that Executive’s employment is terminated by Employer
pursuant to Section 3.1.1 (“Death”), Section 3.1.2 (“Disability”),  Section  3.1.4  (“Without Cause
by Employer”)  or  by  Executive  pursuant  to  Section  3.1.7  (“Termination  by  Executive  for  Good
Reason”) hereof, and Executive, or his estate, as the case may be, executes and does not revoke a
separation  agreement  containing  a  release  upon  such  termination,  in  a  form  provided  by  the
Employer, of any and all claims against Employer and all related parties

5

with respect to all matters arising out of Executive’s employment by Employer, or the termination
thereof (the “Release”) in accordance with Section 3.7, Executive, or his estate, as the case may
be, shall be entitled to the following payments and benefits, which payments and benefits shall be
paid in accordance with this Section 3.2.1 and Section 3.7:

(i)

Continuing  payments  of  Executive’s  then-current  Base  Salary  for  the
Severance Period (as defined in Section 3.5 herein), payable subject to standard federal and
state  payroll  withholding  requirements  in  accordance  with  Employer’s  regular  payroll
practices  on  Employer’s  normal  payroll  schedule  over  the  Severance  Period,  subject  to
Section 3.7;

(ii)

Employer  shall  pay  to  Executive  a  lump  sum  payment  equal  to  the  gross
sum of any bonuses or portion thereof for any preceding year or for the year of termination
which have been or are approved by Employer, but has not been received by Executive prior
to  the  effective  date  of  termination,  less  applicable  deductions  and  withholdings,  paid  in
accordance  with  Section  2.2  but  in  no  event  later  than  two  and  one-half  (2  1/2)  months
following  the  end  of  the  fiscal  year  to  which  it  relates.  For  the  avoidance  of  doubt,
Executive  does  not  have  to  be  employed  by  Employer  on  the  date  such  bonuses  are
approved by Employer to receive such bonuses;

(iii)

So long as Executive is eligible, and so long as Executive remains eligible,
for  and  upon  his  timely  election  of  coverage  under  the  Consolidated  Omnibus  Budget
Reconciliation  Act  of  1985,  or,  if  applicable,  state  or  local  insurance  laws  (“COBRA”),
Employer  will  continue  to  pay,  directly  to  the  healthcare  provider  when  due,  Employer’s
portion  of  the  medical,  vision  and  dental  coverage  premiums  (and  Executive  will  be
responsible for Executive’s portion) for a period of twelve (12) months after the effective
date of Executive’s termination (the “COBRA Payment Period”); provided that, if at any
time  Employer  determines,  in  its  sole  discretion,  that  the  payment  of  the  COBRA
premiums would result in a violation of the nondiscrimination rules of Section 105(h)(2)
of the Code or any statute or regulation of similar effect (including but not limited to the
2010 Patient Protection and Affordable Care Act, as amended by the 2010 Health Care
and Education Reconciliation Act), then in lieu of providing the COBRA premiums for
the remainder of the COBRA Payment Period, Employer will instead pay Executive on
the  first  day  of  each  month  of  the  remainder  of  the  COBRA  Payment  Period,  a  fully
taxable  cash  payment  equal  to  the  COBRA  premiums  for  that  month,  subject  to
applicable tax withholdings, for the remainder of the COBRA Payment Period; and

(iv)

In the event such termination of employment occurs on or within three (3)
months  prior  to  or  within  twelve  (12)  months  following  the  effective  date  of  a  Change  of
Control (as defined herein), Executive shall be entitled to the additional following payments
and benefits (for the avoidance of doubt, Executive shall also be entitled to the amounts set
forth in Section 3.2.1(i)-(iii)):

(1)

Employer shall pay to Executive a lump sum payment equal
to  the  Annual  Expectancy  Bonus  Amount  (target  bonus),  less  applicable
deductions and withholdings, paid within thirty (30) days of the later of (a) the

6

effective  date  of  the  Change  of  Control  or  (b)  Executive’s  termination,  if  such
termination occurs on or after the effective date of a Change of Control; and

(2)

In the event such termination of employment occurs (A) on
or within three (3) months prior to the effective date of a Change of Control, all
unvested  stock  options  and  other  equity  awards  held  by  Executive  and
outstanding on the effective date of termination shall become fully vested on the
effective  date  of  the  Change  of  Control,  or  (B)  within  twelve  (12)  months
following the effective date of a Change of Control, provided that any surviving
corporation  or  acquiring  corporation  assumes  Executive’s  stock  options  and/or
other  equity  awards,  as  applicable,  or  substitutes  similar  stock  options  or  equity
awards  for  Executive’s  stock  options  and/or  equity  awards,  as  applicable,  in
accordance  with  the  terms  of  Employer’s  applicable  equity  incentive  plans,  all
such  unvested  stock  options  and  other  equity  awards  held  by  Executive  and
outstanding on the effective date of termination shall become fully vested on the
date of such termination.

For purposes of this Employment Agreement, “Change of Control” means, in each case
as  approved  by  the  Board  and  the  requisite  stockholders  of  Employer,  (i)  any  consolidation  or
merger  of  Employer  with  or  into  any  other  corporation  or  other  entity  or  person,  or  any  other
corporate  reorganization,  in  which  the  stockholders  of  Employer  immediately  prior  to  such
consolidation,  merger  or  reorganization,  own,  in  the  aggregate,  less  than  50%  of  the  surviving
entity’s  voting  power  and/or  outstanding  capital  stock  immediately  after  such  consolidation,
merger  or  reorganization,  or  any  transaction  or  series  of  related  transactions  (including  any
transaction which results from an option agreement or binding letter of intent with a third party)
to which Employer or any of its stockholders is a party in which in excess of 50% of Employer’s
voting power and/or outstanding capital stock is transferred, or pursuant to which any person or
group  of  affiliated  persons  obtains  in  excess  of  50%  of  Employer’s  voting  power  and/or
outstanding  capital  stock,  excluding  any  consolidation  or  merger  effected  exclusively  to  change
the  domicile  of  Employer;  or  (ii)  any  sale,  license  or  other  disposition  (including  through  a
Board  and  stockholder  approved  division  or  spin-off  transaction)  of  all  or  substantially  all  of
the  assets  of  Employer  and/or  any  of  its  subsidiaries  or  any  sale,  exclusive  license  or  other
disposition  of  all  or  substantially  all  of  Employer’s  intellectual  property,  as  reasonably
determined  based  upon  the  potential  earning  power  of  the  assets  or  intellectual  property;
provided, however, that none of the following shall constitute a Change of Control: (A) transfers
of  capital  stock  by  an  existing  stockholder  as  a  result  of  death  or  otherwise  for  estate  planning
purposes or to such stockholder’s affiliates or to any of Employer’s other existing stockholders,
and  (B)  issuances  of  equity  securities  of  Employer  in  connection  with  financings  for  working
capital  and  other  general  corporate  purposes;  and,  provided  further,  that  such  “Change  of
Control” qualifies as either a change in ownership of Employer as defined in Section 409A of the
Code (“Section 409A”) or a change in the ownership of a substantial portion of Employer’s assets
as defined in Section 409A, as the case may be.

3.2.2 Termination  by  Executive  Other  than  For  Good  Reason;  Termination
Upon  Non-Renewal  by  Executive;  Termination  by  Employer  for  Cause.  In  the  event
Executive’s employment is terminated by Executive other than for Good Reason

7

pursuant  to  Section  3.1.5  hereof  (“By  Executive”)  or  by  Executive  pursuant  to  Section  3.1.6
hereof (“Termination  Upon  Non-Renewal”)  or  by  Employer  pursuant  to  Section  3.1.3  hereof
(“Termination by Employer for Cause”), Executive shall be entitled to no further compensation
or  other  benefits  under  this  Employment  Agreement  except  as  to  that  portion  of  any  unpaid
salary and other benefits accrued and earned by him hereunder up to and including the effective
date  of  such  termination  and  to  offer  COBRA  coverage  at  Executive’s  cost  pursuant  to
applicable law.

3.2.3  Termination  Upon  Non-Renewal  by  Employer.  In  the  event  Executive’s
employment  is  terminated  by  Employer  pursuant  to  Section  3.1.6  hereof,  then  during  the  ninety
(90)-day notice period of Section 2.4, Employer shall continue to pay to Executive his then-current
Base Salary and benefits subject to standard federal and state payroll withholding requirements and
in  accordance  with  Employer’s  regular  payroll  practices,  and  no  later  than  the  effective  date  of
termination of employment, Employer shall pay to Executive any such unpaid salary accrued and
earned  by  him  up  to  and  including  the  effective  date  of  termination.  In  addition,  in  the  event
Executive’s employment is terminated by Employer pursuant to Section 3.1.6 hereof, then provided
Executive executes and does not revoke a Release in accordance with Section 3.7, Executive shall
be  entitled  to  the  following,  which  payments  and  benefits  shall  be  paid  in  accordance  with  this
Section 3.2.3 and Section 3.7:

(i)

Continuing  payments  of  Executive’s  then-current  Base  Salary  for  the
Severance  Period  payable  subject  to  standard  federal  and  state  payroll  withholding
requirements  in  accordance  with  Employer’s  regular  payroll  practices  on  Employer’s
normal payroll schedule over the Severance Period, subject to Section 3.7;

(ii)

Employer shall pay to Executive a lump sum payment equal to the gross sum
of  any  bonuses  or  portion  thereof  for  any  preceding  year  or  for  the  year  of  termination
which  have  been  or  are  approved  by  Employer,  but  has  not  been  received  by  Executive
prior  to  the  effective  date  of  termination,  less  applicable  deductions  and  withholdings,
paid in accordance with Section 2.2 but in no event later than two and one-half (2 1/2)
months  following  the  end  of  the  fiscal  year  to  which  it  relates.  For  the  avoidance  of
doubt, Executive does not have to be employed by Employer on the date such bonuses
are approved by Employer to receive such bonuses; and

(iii)

So  long  as  Executive  is  eligible,  and  so  long  as  Executive  remains  eligible,
for  and  upon  his  timely  election  of  coverage  under  COBRA,  Employer  will  continue  to
pay,  directly  to  the  healthcare  provider  when  due,  Employer’s  portion  of  the  medical,
vision  and  dental  coverage  premiums  (and  Executive  will  be  responsible  for  Executive’s
portion)  for  the  COBRA  Payment  Period;  provided  that,  if  at  any  time  Employer
determines,  in  its  sole  discretion,  that  the  payment  of  the  COBRA  premiums  would
result  in  a  violation  of  the  nondiscrimination  rules  of  Section  105(h)(2)  of  the  Code  or
any statute or regulation of similar effect (including but not limited to the 2010 Patient
Protection and Affordable Care Act, as amended by the 2010 Health Care and Education
Reconciliation Act),  then  in  lieu  of  providing  the  COBRA  premiums  for  the remainder
of the COBRA Payment Period, Employer will instead pay Executive on the first day of
each month of the remainder of the COBRA Payment Period, a

8

fully  taxable  cash  payment  equal  to  the  COBRA  premiums  for  that  month,  subject  to
applicable tax withholdings, for the remainder of the COBRA Payment Period.

3.3

Nature of Payments. All amounts to be paid by Employer to Executive pursuant

to  Sections  3.2.1(i)  —  (iv)  and  3.2.3(i)  —  (iii)  are  considered  by  the  parties  to  be  severance
payments  and  are  in  lieu  of,  and  not  in  addition  to,  any  benefits  to  which  Executive  may
otherwise be entitled under any Employer severance plan, policy or program.

3.4

Duties Upon Termination. During the Severance Period, if there is a Severance

Period applicable to  Executive’s  termination  of  employment  from  Employer, Executive shall
fully  cooperate  with  Employer  in  all  matters  relating  to  the  winding  up  of  Executive’s
pending work including, but not limited to, any litigation in which Employer is involved, and
the orderly transfer of any such pending work to such other employees as may be designated
by  Employer.  Notwithstanding  the  foregoing,  such  cooperation  requirement  shall  not
unreasonably  interfere  with  his  then  current  employment  or  business  activities.  With
Employer’s  prior  approval,  Executive  shall  be  reimbursed  for  all  expenses  reasonably
incurred  in  connection  with  such  cooperation.  Following  the  end  of  the  Severance  Period,
Executive will be released from any duties and obligations hereunder (except those duties and
obligations  set  forth  in  Article  4  hereof).  In  the  event  of  termination  of  Executive’s
employment  pursuant  to  Sections  3.1.1  through  3.1.7  hereof,  the  obligations  of  Employer  to
Executive  will  be  as  set  forth  in  Section  3.2  hereof.  Upon  termination,  Executive  shall
immediately resign from his position as CSO of Employer.

3.5

Severance Period.  “Severance  Period”  shall  mean  a  period  of  twelve  (12)  months

beginning on the effective date of Executive’s termination of employment with Employer.

3.6

Release.  Notwithstanding  any  provision  of  this  Employment  Agreement  to  the
contrary, in no event shall the timing of Executive’s execution of the Release, directly or indirectly,
result in Executive designating the calendar year of payment, and if a payment that is subject to the
requirements of Section 409A of the Code and is subject to execution of the Release could be made
in more than one taxable year based on when the Release is executed or becomes effective, payment
shall be made in the later year.

3.7

Commencement of Severance Payments. The severance payments and benefits set
forth in Sections 3.2.1(i) — (iv) (Termination by Employer for Death, Disability, Without Cause, by
Executive  for  Good  Reason)  and  Sections  3.2.3(i)  —  (iii)  (Termination  Upon  Non-Renewal  by
Employer) above will not be paid or provided unless Executive executes and does not revoke the
Release  and  the  Release  is  enforceable  and  effective  as  provided  in  the  Release  on  or  before  the
date  that  is  the  sixtieth  (60th)  day  following  the  effective  date  of  termination  (such  60th  day,  the
“Severance  Pay  Commencement  Date”).  No  cash  severance  payments  will  be  paid  pursuant  to
Sections  3.2.1  or  3.2.3  prior  to  the  Severance  Pay  Commencement  Date.  On  the  Severance  Pay
Commencement  Date,  Employer  will  pay  in  a  lump  sum  the  aggregate  amount  of  the  cash
severance payments that Employer would have paid Executive through such date had the payments
commenced on the effective date of termination through the Severance Pay Commencement Date,
with the balance paid thereafter on the applicable schedules described above. Notwithstanding any
other provision of this Employment Agreement to the contrary, it is intended that the payment of
severance upon termination for Good Reason by Executive in

9

accordance  with  Section  3.1.7  satisfy  the  safe  harbor  set  forth  in  Treasury  Regulation  Section
1.409A-1(n)(2)(ii)),  and  any  severance  payment  made  pursuant  to  this  Employment  Agreement
shall  satisfy  the  exemptions  from  the  application  of  Section  409A  of  the  Code  provided  under
Treasury Regulation Sections 1.409A-1(b)(4), and 1.409A-1 (b)(9).

SECTION 4. CONFIDENTIALITY, INVENTION RIGHTS, NON-COMPETITION
AND NON-SOLICITATION

4.1

Confidentiality,  Invention  Rights,  Non-Competition  and  Non-Solicitation.  The
parties  hereto  have  entered  into  a  Confidentiality,  Invention  Rights,  Non-Competition,  and  Non-
Solicitation Agreement, which may be amended by the parties from time to time without regard to
this  Employment  Agreement.  The  Confidentiality,  Invention  Rights,  Non-Competition,  and  Non-
Solicitation  Agreement  contains  provisions  that  are  intended  by  the  parties  to  survive  and  do
survive termination of this Employment Agreement.

4.2

Remedies. Executive acknowledges and agrees that (a) Employer will be irreparably
injured  in  the  event  of  a  breach  by  Executive  of  any  of  his  obligations  under  this  Article  4;  (b)
monetary damages will not be an adequate remedy for any such breach; and (c) in the event of any
such  breach,  the  Employer  will  be  entitled  to  injunctive  relief,  in  addition  to  any  other  remedy
which it may have, and Executive shall not oppose such injunctive relief based upon the extent of
the harm or the adequacy of monetary damages.

SECTION 5. MISCELLANEOUS PROVISIONS

5.1

Severability. If in any jurisdiction any term or provision hereof is determined to be
invalid or unenforceable, (a) the remaining terms and provisions hereof shall be unimpaired, (b) any
such invalidity or unenforceability in any jurisdiction shall not invalidate or render unenforceable
such provision in any other jurisdiction, and (c) the invalid or unenforceable term or provision shall,
for  purposes  of  such  jurisdiction,  be  deemed  replaced  by  a  term  or  provision  that  is  valid  and
enforceable and that comes closest to expressing the intention of the invalid or unenforceable term
or provision.

5.2

Execution in Counterparts. This Employment Agreement may be executed in one
or  more  counterparts,  and  by  the  different  parties  hereto  in  separate  counterparts,  each  of  which
shall be deemed to be an original but all of which taken together shall constitute one and the same
agreement  (and  all  signatures  need  not  appear  on  any  one  counterpart),  and  this  Employment
Agreement shall become effective when one or more counterparts has been signed by each of the
parties hereto and delivered to each of the other parties hereto.  Counterparts may be delivered via
facsimile, electronic mail (including pdf or any electronic signature complying with the U.S. federal
ESIGN  Act  of  2000,  Uniform  Electronic  Transactions  Act  or  other  applicable  law)  or  other
transmission method and any counterpart so delivered will be deemed to have been duly and validly
delivered and be valid and effective for all purposes.

5.3

Notices.  All  notices,  requests,  demands  and  other  communications  hereunder  shall
be in writing and shall be deemed duly given when delivered by hand, or when delivered if mailed
by registered or certified mail, postage prepaid, return receipt requested, or private

10

courier  service  or  via  facsimile  (with  written  confirmation  of  receipt)  or  email  (with  written
confirmation of receipt) as follows:

If to Employer, to:

Aclaris Therapeutics, Inc.
640 Lee Road, Suite 200
Wayne, PA 19087
Attention: Neal Walker
E-mail: nwalker@aclaristx.com

If to Executive, to the current address on file with Employer,

or to such other address(es) as a party hereto shall have designated by like notice to the other parties
hereto.

5.4

Amendment.    No  provision  of  this  Employment  Agreement  may  be
modified, amended, waived or discharged in any manner except by a written instrument executed
by Employer and Executive.

5.5

Entire Agreement. This  Employment  Agreement  constitutes  the  entire  agreement
of  the  parties  hereto  with  respect  to  the  subject  matter  hereof,  and  supersedes  all  prior
agreements and understandings of the parties hereto, oral or written, with respect to the subject
matter  hereof,  including  but  not  limited  to  any  prior  offer  letter  or  written  embodiment  of  the
employment  relationship  between  Executive  and  Employer.  No  representation,  promise  or
inducement has been made by either party that is not embodied in this Employment Agreement,
and  neither  party  shall  be  bound  by  or  liable  for  any  alleged  representation,  promise  or
inducement not so set forth.

5.6

Applicable Law. This Employment Agreement shall be governed by and construed
in  accordance  with  the  laws  of  the  Commonwealth  of  Pennsylvania  applicable  to  contracts
made  and  to  be  wholly  performed  therein  without  regard  to  its  conflicts  or  choice  of  law
provisions.
5.7

Headings. The headings contained herein are for the sole purpose of convenience of
reference, and shall not in any way limit or affect the meaning or interpretation of any of the terms
or provisions of this Employment Agreement.

5.8

Binding Effect; Successors and Assigns. Executive may not delegate his duties or
assign  his  rights  hereunder.  This  Employment  Agreement  will  inure  to  the  benefit  of,  and  be
binding  upon,  the  parties  hereto  and  their  respective  heirs,  legal  representatives,  and  successors.
Employer may assign this Employment Agreement to any entity purchasing all or substantially all
of the assets of Employer.

5.9 Waiver, etc. The failure of either of the parties hereto to at any time enforce any of
the  provisions  of  this  Employment  Agreement  shall  not  be  deemed  or  construed  to  be  a
waiver  of  any  such  provision,  nor  to  in  any  way  affect  the  validity  of  this  Employment
Agreement or any provision hereof or the right of either of the parties hereto to thereafter

11

enforce each and every provision of this Employment Agreement. No waiver of any breach of
any  of  the  provisions  of  this  Employment  Agreement  shall  be  effective  unless  set  forth  in  a
written instrument executed by the party against whom or which enforcement of such waiver
is  sought,  and  no  waiver  of  any  such  breach  shall  be  construed  or  deemed  to  be  a  waiver  of
any other or subsequent breach.

5.10 Continuing  Effect.  Provisions  of  this  Employment  Agreement  which  by  their
terms must survive the termination of this Employment Agreement in order to effectuate the
intent  of  the  parties  will  survive  any  such  termination,  whether  by  expiration  of  the  term,
termination of Executive’s employment, or otherwise, for such period as may be appropriate
under the circumstances.

5.11 Representations  and  Warranties  of  Executive.  Executive  hereby  represents  and
warrants  to  Employer  that  to  the  knowledge  of  Executive,  Executive  is  not  bound  by  any  non-
competition or other agreement which would prevent his performance hereunder.

5.12

Section 409A of the Code. This Employment Agreement  is  intended  to  comply
with  Section  409A  of  the  Code  and  its  corresponding  regulations,  or  an  exemption,  and
payments may only be made under this Employment Agreement upon an event and in a manner
permitted  by  Section  409A  of  the  Code,  to  the  extent  applicable.  Payment  under  this
Employment  Agreement  is  intended  to  be  exempt  from  Code  Section  409A  under  the  “short-
term  deferral”  exception  set  forth  in  Treasury  Regulation  Section  1.409A-1(b)(4),  to  the
maximum  extent  applicable,  and  then  under  the  “separation  pay”  exception  set  forth  in
Treasury Regulation Section 1.409A-1(b)(9), to the maximum extent applicable. All payments
to be made upon a termination of employment under this Employment Agreement may only be
made  upon  a  “separation  from  service”  within  the  meaning  of  Treasury  Regulation  Section
1.409A-1(h) (or any successor provision) (a “Separation from Service”). For purposes of Code
Section 409A, the right to a series of installment payments under this Employment Agreement
shall  be  treated  as  a  right  to  a  series  of  separate  payments.  In  no  event  may  the  Executive,
directly  or  indirectly,  designate  the  calendar  year  of  a  payment.  If  the  termination  of
employment  giving  rise  to  the  payments  described  in  Section  3.2.1  is  not  a  Separation  from
Service, then the amounts otherwise payable pursuant to Section 3.2.1 will instead be deferred
without 
interest  and  paid  when  Executive  experiences  a  Separation  from  Service.
Notwithstanding  anything  in  this  Employment  Agreement  to  the  contrary  or  otherwise,  with
respect  to  any  expense,  reimbursement  or  in-kind  benefit  provided  pursuant  to  this
Employment  Agreement  that  constitutes  a  “deferral  of  compensation”  within  the  meaning  of
Section  409A  of  the  Code  and  its  implementing  regulations  and  guidance,  (a)  the  expenses
eligible for reimbursement or in-kind benefits provided to Executive must be incurred during
the Employment Term (or applicable survival period), (b) the amount of expenses eligible for
reimbursement  or  in-kind  benefits  provided  to  Executive  during  any  calendar  year  will  not
affect  the  amount  of  expenses  eligible  for  reimbursement  or  in-kind  benefits  provided  to
Executive in any other calendar year, (c) the reimbursements for expenses for which Executive
is  entitled  to  be  reimbursed  shall  be  made  on  or  before  the  last  day  of  the  calendar  year
following  the  calendar  year  in  which  the  applicable  expense  is  incurred  and  (d)  the  right  to
payment  or  reimbursement  or  in-kind  benefits  hereunder  may  not  be  liquidated  or  exchanged
for  any  other  benefit.  Notwithstanding  any  provision  to  the  contrary  in  this  Employment
Agreement, if Executive

12

then 

to  be  “deferred  compensation,” 

is  deemed  by  Employer  at  the  time  of  his  Separation  from  Service  to  be  a  “specified
employee”  for  purposes  of  Section  409A(a)(2)(B)(i)  of  the  Code,  and  if  any  of  the  payments
due  upon  Separation  from  Service  set  forth  herein  and/or  under  any  other  agreement  with
Employer  are  deemed 
the  extent  delayed
commencement of any portion of such payments is required to avoid a prohibited distribution
under  Section  409A(a)(2)(B)(i)  of  the  Code  and  the  related  adverse  taxation  under  Section
409A of the Code, such payments will not be provided to Executive prior to the earliest of (i)
the  expiration  of  the  six  (6)-month  period  measured  from  the  date  of  Executive’s  Separation
from  Service  with  Employer,  (ii)  the  date  of  Executive’s  death  or  (iii)  such  earlier  date  as
permitted  under  Section  409A  of  the  Code  without  the  imposition  of  adverse  taxation.  Upon
the first business day following the expiration of such applicable Code Section 409A(a)(2)(B)
(i)  period,  all  payments  deferred  pursuant  to  this  Section  5.12  will  be  paid  in  a  lump  sum  to
Executive,  and  any  remaining  payments  due  will  be  paid  as  otherwise  provided  in  this
Employment  Agreement  or  in  the  applicable  agreement.  No  interest  will  be  due  on  any
amounts so deferred.

to 

5.13

Section 280G. Notwithstanding any other provision of this Employment Agreement
or  any  other  plan,  arrangement  or  agreement  to  the  contrary,  if  any  of  the  payments  or  benefits
provided  or  to  be  provided  by  Employer  or  its  affiliates  to  Executive  or  for  Executive’s  benefit
pursuant  to  the  terms  of  this  Employment  Agreement  or  otherwise  (the  “Covered  Payments”)
constitute parachute payments (the “Parachute Payments”) within the meaning of Section 280G of
the Code and, but for this Section 5.13, would be subject to the excise tax imposed under Section
4999 of the Code (or any successor provision thereto) or any similar tax imposed by state or local
law  or  any  interest  or  penalties  with  respect  to  such  taxes  (collectively,  the  “Excise  Tax”),  then
prior to making the Covered Payments, a calculation shall be made comparing (i) the Net Benefit
(as defined below) to Executive of the Covered Payments after payment of the Excise Tax to (ii) the
Net Benefit to Executive if the Covered Payments are limited to the extent necessary to avoid being
subject  to  the  Excise  Tax.  Only  if  the  amount  calculated  under  clause  (i)  above  is  less  than  the
amount  under  clause  (ii)  above  will  the  Covered  Payments  be  reduced  to  the  minimum  extent
necessary  to  ensure  that  no  portion  of  the  Covered  Payments  is  subject  to  the  Excise  Tax.  “Net
Benefit”  shall  mean  the  present  value  of  the  Covered  Payments  net  of  all  federal,  state,  local,
foreign income, employment and excise taxes.

(a)
following:

Any  such  reduction  shall  be  made  in  accordance  with  Section  409A  and  the

(i)

(ii)

the  Covered  Payments  consisting  of  cash  severance  benefits  that  do  not
constitute nonqualified deferred compensation subject to Section 409A shall
be reduced first, in reverse chronological order; and

all  other  Covered  Payments  consisting  of  cash  payments,  and  Covered
Payments consisting of accelerated vesting of equity based awards to which
Treas. Reg. §1.280G-1 Q/A-24(c) does not apply, and that in either case do
not  constitute  nonqualified  deferred  compensation  subject  to  Section  409A,
shall be reduced second, in reverse chronological order; and

13

(iii)

(iv)

all  Covered  Payments  consisting  of  cash  payments 
that  constitute
nonqualified deferred compensation subject to Section 409A shall be reduced
third, in reverse chronological order; and

all  Covered  Payments  consisting  of  accelerated  vesting  of  equity-based
awards to which Treas. Reg. § 1.280G-1 Q/A-24(c) applies shall be the last
Covered Payments to be reduced.

(b)

Any determination required under this Section 5.13 shall be made in writing in good
faith  by  an  independent  accounting  firm  selected  by  Employer  and  reasonably  acceptable  to  the
Executive (the “Accountants”). Employer and Executive shall provide the Accountants with such
information  and  documents  as  the  Accountants  may  reasonably  request  in  order  to  make  a
determination under this Section 5.13. For purposes of making the calculations and determinations
required by this Section 5.13, the Accountants may rely on reasonable, good-faith assumptions and
approximations  concerning  the  application  of  Section  280G  and  Section  4999  of  the  Code.  The
Accountants’ determinations shall be final and binding on Employer and Executive. Employer shall
be  responsible  for  all  fees  and  expenses  incurred  by  the  Accountants  in  connection  with  the
calculations required by this Section 5.13.

(c)

It  is  possible  that  after  the  determinations  and  selections  made  pursuant  to  this
Section  5.13.  Executive  will  receive  Covered  Payments  that  are  in  the  aggregate  more  than  the
amount intended or required to be provided after application of this Section 5.13 (“Overpayment”)
or  less  than  the  amount  intended  or  required  to  be  provided  after  application  of  this  Section  5.13
(“Underpayment”).

(i)

(ii)

In the event that: (A) the Accountants determine, based upon the assertion of
a  deficiency  by  the  Internal  Revenue  Service  against  either  Employer  or
Executive that the Accountants believe has a high probability of success, that
an  Overpayment  has  been  made  or  (B)  it  is  established  pursuant  to  a  final
determination of a court or an Internal Revenue Service proceeding that has
been finally and conclusively resolved that an Overpayment has been made,
then Executive shall  pay  any  such  Overpayment  to  Employer  together  with
interest at the applicable federal rate (as defined in Section 7872(f)(2)(A) of
the Code) from the date of Executive’s receipt of the Overpayment until the
date of repayment.

In the event that: (A) the Accountants, based upon controlling precedent or
substantial authority, determine that an Underpayment has occurred or (B) a
court  of  competent  jurisdiction  determines  that  an  Underpayment  has
occurred, any such Underpayment will be paid promptly by Employer to or
for  the  benefit  of  Executive  together  with  interest  at  the  applicable  federal
rate  (as  defined  in  Section  7872(f)(2)(A)  of  the  Code)  from  the  date  the
amount should have otherwise been paid to Executive until the payment date.

5.14 Dispute  Resolution.  The  parties  recognize  that  litigation  in  federal  or  state

courts or before federal or state administrative agencies of disputes arising out of the

14

Executive’s  employment  with  the  Employer  or  out  of  this  Employment  Agreement,  or  the
Executive’s termination of employment or termination of this Employment Agreement, may not
be  in  the  best  interests  of  either  the  Executive  or  Employer,  and  may  result  in  unnecessary
costs,  delays,  complexities,  and  uncertainty.  The  parties  agree  that  any  dispute  between  the
parties  arising  out  of  or  relating  to  the  negotiation,  execution,  performance  or  termination  of
this Employment Agreement or the Executive’s employment, including, but not limited to, any
claim  arising  out  of  this  Employment  Agreement,  claims  under  Title  VII  of  the  Civil  Rights
Act  of  1964,  as  amended,  the  Civil  Rights  Act  of  1991,  the  Age  Discrimination  in
Employment  Act  of  1967,  the  Americans  with  Disabilities  Act  of  1990,  Section  1981  of  the
Civil  Rights  Act  of  1966,  as  amended,  the  Family  Medical  Leave  Act,  the  Executive
Retirement  Income  Security  Act,  and  any  similar  federal,  state  or  local  law,  statute,
regulation,  or  any  common  law  doctrine,  whether  that  dispute  arises  during  or  after
employment, shall be settled by binding arbitration in accordance with the National Rules for
the  Resolution  of  Employment  Disputes  of  the  American  Arbitration  Association;  provided
however,  that  this  dispute  resolution  provision  shall  not  apply  to  any  separate  agreements
between  the  parties  that  do  not  themselves  specify  arbitration  as  an  exclusive  remedy.  The
location  for  the  arbitration  shall  be  the  Philadelphia,  Pennsylvania  metropolitan  area.  Any
award  made  by  such  panel  shall  be  final,  binding  and  conclusive  on  the  parties  for  all
purposes,  and  judgment  upon  the  award  rendered  by  the  arbitrators  may  be  entered  in  any
court  having  jurisdiction  thereof.  The  arbitrators’  fees  and  expenses  and  all  administrative
fees and expenses associated with the filing of the arbitration shall be borne by Employer. The
parties acknowledge and agree that their obligations to arbitrate under this Section survive the
termination  of  this  Employment  Agreement  and  continue  after  the  termination  of  the
employment relationship between Executive and Employer. The parties each further agree that
the  arbitration  provisions  of  this  Employment  Agreement  shall  provide  each  party  with  its
exclusive remedy, and each party expressly waives any right it might have to seek redress in
any other forum, except as otherwise expressly provided in this Employment Agreement. By
election arbitration as the means for final settlement of all claims, the parties hereby waive
their  respective  rights  to,  and  agree  not  to,  sue  each  other  in  any  action  in  a  Federal,
State  or  local  court  with  respect  to  such  claims,  but  may  seek  to  enforce  in  court  an
arbitration  award  rendered  pursuant  to  this  Employment  Agreement.  The  parties
specifically  agree  to  waive  their  respective  rights  to  a  trial  by  jury,  and  further  agree
that no demand, request or motion will be made for trial by jury.

[SIGNATURE PAGE FOLLOWS]

15

IN WITNESS WHEREOF the parties have executed this Employment Agreement as of the date
first above written.

ACLARIS THERAPEUTICS, INC.

/s/ Neal Walker

Name: Neal Walker
Title

President & CEO

Agreed to and Accepted this 12th day of January, 2022.

EXECUTIVE

/s/ Joe Monahan

Joseph Monahan

16

  
 
  
 
  
 
  
 
  
 
  
 
Exhibit A

List of Entities Referenced in Section 1.2.2.

Cadre Bioscience, LLC
Myonid Therapeutics, LLC

17

Exhibit 10.16

EMPLOYMENT AGREEMENT

This  EMPLOYMENT  AGREEMENT  (the  “Employment  Agreement”),  effective  as  of
January  31,  2022  (“Agreement  Effective  Date”),  is  made  by  and  between  Aclaris  Therapeutics,
Inc.,  a  corporation  organized  under  the  laws  of  the  State  of  Delaware  (“Employer”)  and  James
Loerop (“Executive”).

WHEREAS,  Executive  desires  to  provide  services  to  Employer  and  Employer  desires  to

retain the services of Executive;

WHEREAS,  Employer  and  Executive  desire  to  formalize  the  terms  and  conditions  of

Executive’s employment with Employer; and

WHEREAS,  this  Employment  Agreement  has  been  duly  approved  and  its  execution  has

been duly authorized by the Employer’s Board of Directors (the “Board”).

NOW, THEREFORE, Employer and Executive hereby agree as follows:

SECTION 1. EMPLOYMENT

1.1

General.  Employer  hereby  agrees  to  employ  Executive  in  the  capacity  of  Chief
Business Officer (“CBO”). Executive hereby accepts such employment upon the terms and subject
to the conditions herein contained.

1.2

Authority  and  Duties.  Executive  shall  have  full  responsibility  as  the  CBO  of
Employer and all authority normally accorded to such position. Executive agrees to perform such
duties  and  responsibilities  commensurate  with  the  position  of  CBO  as  may  reasonably  be
determined by the Board.

1.2.1  Reporting.  During  Executive’s  employment  with  Employer,  Executive  will

report directly to, and take direction from, the Chief Executive Officer (the “CEO”).  

that  would 

1.2.2 Time to Be Devoted to Employment. During Executive’s Employment with
Employer, Executive shall diligently devote his efforts, business time, attention and energies to the
business of Employer and will not, while employed by Employer, undertake or engage in any other
employment,  occupation  or  business  enterprise 
interfere  with  Executive’s
responsibilities and the performance of Executive’s duties hereunder except for (i) reasonable time
devoted to volunteer services for or on behalf of such religious, educational, non-profit and/or other
charitable organization as Executive may wish to serve, (ii) reasonable time devoted to activities in
the  non-profit  and  business  communities  consistent  with  Executive’s  duties;  and  (iii)  reasonable
time devoted to service as a member of the board of directors of the entities listed on Exhibit A or
as  otherwise  permitted  pursuant  to  Section  1.3.  This  restriction  shall  not,  however,  preclude
Executive (x) from owning less than one percent (1%) of the total outstanding shares of a publicly
traded company, or (y) from employment or service in any capacity with Affiliates of Employer.  As
used in this Employment Agreement, “Affiliates” means an entity under common management or
control with Employer.

1

1.3

Other  Responsibilities.  Notwithstanding  Section  1.2.2  above,  Executive  will  not
engage in any other for-profit business, profession or occupation, including as a member of a board
of  directors  of  any  third  party,  for  compensation  which  would  materially  conflict  or  materially
interfere  with  the  rendition  of  services  hereunder,  without  the  prior  written  consent  of  the  Board,
which shall not be unreasonably withheld.  Any uncertainty as to whether such a conflict exists will
be raised by Executive for determination by the Board, acting reasonably. The Board acknowledges
that  Executive  has  ongoing  participation  in  other  private  and  public  businesses  that  have  been
disclosed by Executive and are listed on Exhibit A and that such participation does not, in any way,
conflict  with  his  role  at  Employer.    Except  for  the  businesses  listed  on  Exhibit  A,  which  have
already been approved, Executive agrees to disclose to the Board and receive prior written consent
from the Board to participate as a director, with any competing company whether it is a private or
public  company.  Executive  further  agrees  to  disclose  any  other  director  positions  with  any  other
company that may materially affect his ability to perform his duties and responsibilities under this
Employment  Agreement.    Notwithstanding  the  above,  nothing  herein  shall  limit  or  preclude
Executive from managing any passive investments made by Executive.

1.4

Location  of  Employment.  Executive’s  principal  place  of  employment  during  his
employment with Employer shall be Executive’s primary residence (or other remote work location)
or such other location as Employer and Executive shall agree; provided however, that from time to
time Executive may be required to travel to Employer’s principal executive office currently located
in Wayne, Pennsylvania.

SECTION 2.  COMPENSATION AND BENEFITS

2.1

Salary. Employer will pay to Executive an annual base salary of $416,000 payable
subject  to  standard  federal  and  state  payroll  withholding  requirements  in  accordance  with  the
regular payroll practices of Employer (“Base Salary”). The annual Base Salary may be increased
(but  not  decreased)  during  the  term  of  this  Employment  Agreement  by  the  Board  in  its  sole
discretion.

2.2

Additional  Compensation.  In  addition  to  the  salary  set  forth  in  Section  2.1,
Executive shall be entitled to receive a cash bonus in accordance with the terms of this Section 2.2.
For each fiscal year of Employer, beginning January 1, during the Employment Term (as defined in
Section 2.4 hereof), Executive shall be eligible to receive a cash bonus based on (i) the “Annual
Bonus Expectancy Amount,” which shall be an amount equal to 40% of Executive’s Base Salary
for  the  applicable  fiscal  year,  and  (ii)  Executive’s  attainment  of  performance  targets  and  other
reasonable criteria established by the Board, to the extent possible, by the end of the first month of
such fiscal year. Depending on the targets and criteria which are achieved or met, the amount of the
cash bonus actually payable to Executive for each fiscal year will be an amount from zero to and
including the Annual Bonus Expectancy Amount. Any cash bonus amount payable pursuant to this
Section 2.2 shall be paid to Executive as soon as practicable, but in no event later than two and one-
half (2 1/2) months, following the end of the fiscal year to which it relates. For the avoidance of
doubt, Executive does not have to be employed by Employer on the date such bonus is approved or
paid by Employer to receive such bonus.

2

2.3

Executive Benefits. In addition to the salary and additional compensation set forth
in Sections 2.1 and 2.2, Executive shall also be entitled to the following benefits during Executive’s
employment hereunder:

2.3.1  Expenses.  Employer  will  promptly  reimburse  Executive  for  expenses  he
reasonably incurs in connection with the performance of his duties (including business travel and
entertainment expenses), in accordance with Employer’s standard expense reimbursement policy, as
the same may be modified by Employer from time to time; provided, however, that Executive has
provided  Employer  with  documentation  of  such  expenses  in  accordance  with  the  Employer’s
expense reimbursement policies and applicable tax requirements. For the avoidance of doubt, to the
extent that any reimbursements payable to Executive are subject to the provisions of Section 409A
of the Internal Revenue Code of 1986, as amended (the “Code”): (a) any such reimbursements will
be  paid  no  later  than  December  31  of  the  year  following  the  year  in  which  the  expense  was
incurred, (b) the amount of expenses reimbursed in one year will not affect the amount eligible for
reimbursement in any subsequent year, and (c) the right to reimbursement under this Employment
Agreement will not be subject to liquidation or exchange for another benefit.

2.3.2 Employer Plans.  Executive will be eligible to participate on the same basis
as  similarly  situated  employees  in  Employer’s  employee  benefit  plans  and  programs,  as  they
may be interpreted, adopted, revised or deleted from time to time in Employer’s sole discretion,
subject to and on a basis consistent with the terms, conditions and overall administration of such
plans  and  programs.  All  matters  of  eligibility  for  coverage  or  benefits  under  any  benefit  plan
shall  be  determined  in  accordance  with  the  provisions  of  such  plan.  Employer  retains  the
unilateral right to amend, modify or terminate any of its employee benefit plans and programs at
any time.

2.3.3 Vacation. Executive shall be eligible for paid vacation leave (not including
regular holidays) consistent with the needs of the business. Vacation must be scheduled at those
times convenient to Employer’s business as reasonably determined by the CEO.

2.3.4  Coverage.  Nothing  in  this  Employment  Agreement  shall  prevent  Executive
from  participating  in  any  other  compensation  plan  or  benefit  plan  made  available  to  him  by
Employer.

2.3.5 Withholding.  All  compensation  shall  be  subject  to  withholding  of  taxes  and

deductions of other amounts as may be required by law.

2.4       Employment Term. Unless earlier terminated pursuant to Section 3.1, Executive’s
employment by Employer pursuant to this Employment Agreement shall continue until the second
anniversary  of  the  Agreement  Effective  Date  (the  “Initial  Term”).  Thereafter,  this  Employment
Agreement  shall  be  automatically  renewed  for  successive  one  (1)  year  periods  (any  subsequent
employment period being referred to herein as the “Renewal Term”,  and  together  with  the  Initial
Term, the “Employment Term”); provided, however, that either party may elect to not renew this
Employment Agreement by written notice to such effect delivered to

3

the other party at least ninety (90) days prior to expiration of the Initial Term or the Renewal Term.

SECTION 3.  TERMINATION OF EMPLOYMENT

3.1

Events of Termination. Executive’s employment with Employer will terminate

upon the occurrence of any one or more of the following events:

3.1.1  Death.  In  the  event  of  Executive’s  death,  Executive’s  employment  will

terminate on the date of death.

3.1.2  Disability.  In  the  event  of  Executive’s  Disability  (as  hereinafter  defined),
Employer  will  have  the  option  to  terminate  Executive’s  employment  by  giving  a  notice  of
termination  to  Executive.  The  notice  of  termination  shall  specify  the  date  of  termination,  which
date shall not be earlier than thirty (30) calendar days after the notice of termination is given. For
purposes  of  this  Employment  Agreement,  “Disability”  has  the  meaning  set  forth  in  Employer’s
long term disability plan.  

3.1.3 Termination by Employer for Cause. Employer may, at its option, terminate
Executive’s  employment  for  Cause  (as  hereinafter  defined)  by  unilateral  action  of  the  Board  of
Directors  upon  giving  a  notice  of  termination  to  Executive.  “Cause”  shall  mean  (i)  Executive’s
conviction of, or guilty plea to, a felony (other than traffic violations); (ii) any act(s) or omission(s)
by Executive which constitutes gross negligence or a material breach of Executive’s duty of loyalty;
(iii)  any  material  breach  by  Executive  of  Employer’s  personnel  policies;  (iv)  refusal  to  follow  or
implement  a  clear  and  reasonable  directive  of  Employer;  (v)  breach  of  fiduciary  duty;  or  (vi)  a
material  violation  or  breach  by  Executive  of  this  Employment  Agreement  (other  than  an  event
described in the foregoing clauses) or any other agreement between the parties.

3.1.4  Without  Cause  By  Employer.  Employer  may,  at  its  option,  terminate
Executive’s employment for any reason whatsoever (other than for the other reasons set forth above
in this Section 3.1 that would constitute “Cause” to terminate) by giving a notice of termination to
Executive,  and  Executive’s  employment  shall  terminate  on  the  later  of  the  date  the  notice  of
termination is given or the date set forth in such notice of termination.

3.1.5 By Executive. Executive may, at any time, terminate Executive’s employment
for any reason whatsoever by giving a notice of termination to Employer. Executive’s employment
shall terminate on the earlier of (i) thirty (30) calendar days after the date of receipt by Employer of
the notice of termination or (ii) such earlier date as the Employer and Executive shall agree.

this
3.1.6  Termination  Upon  Non-Renewal.  Either  party  may 
Employment  Agreement  and  Executive’s  employment  hereunder  by  providing  the  other  party
notice  in  accordance  with  Section  2.4  above,  in  which  case  this  Employment  Agreement  and
Executive’s  employment  hereunder  shall  terminate  on  the  last  date  of  the  Initial  Term  or  the
Renewal  Term,  as  the  case  may  be.  For  the  avoidance  of  doubt,  Executive  shall  continue  to  be
employed by Employer, on the same terms and conditions as set forth in this Employment

terminate 

4

Agreement during the ninety (90)-day notice period provided by either party to the other party in
accordance with Section 2.4 above, unless, Employer, in its sole discretion determines that it does
not want Executive to continue to work for Employer, in any capacity, during such notice period. In
such event, Employer shall pay Executive all compensation in accordance with Section 3.2.3.

3.1.7  For  Good  Reason  by  Executive.  Executive  may,  at  his  option,  terminate
Executive’s employment for “Good Reason” by giving a notice of termination to Employer in the
event that, in the absence of events that would support a termination of Executive for Cause:

(i)

there  is  a  material  failure  of  Employer  (or  successor  employer)  to  pay
Executive’s  salary  or  additional  compensation  or  benefits  hereunder  in  accordance  with  this
Employment Agreement;

(ii)

Executive’s  Base  Salary  is  materially  decreased  without  his  prior  written

consent;

(iii)

Executive  is  assigned  duties  materially  inconsistent  with  his  title  and  the

responsibilities set forth in Executive’s job description, without Executive’s prior written consent;

(iv)

Executive’s place of employment is changed to a location that is greater than
fifty  (50)  miles  from  Executive’s  current  place  of  employment (disregarding  for  this  purpose  any
remote work arrangements); or

(v)

any  other  material  violation  or  breach  by  Employer  of  this  Employment
Agreement. Notwithstanding the foregoing, none of the events described in clauses (i) through (iv)
above  shall  constitute  Good  Reason  unless  Executive  shall  have  notified  Employer  in  writing
describing  the  event  which  constitute  Good  Reason  within  thirty  (30)  days  after  Executive  first
becomes aware of such event and then only if Employer shall have failed to reasonably cure such
events,  if  curable,  within  thirty  (30)  days  after  Employer’s  receipt  of  such  written  notice  and
Executive elects to terminate his employment as a result within thirty (30) days following the end
of such thirty (30) day period (assuming, for the avoidance of doubt, that Employer does not elect
to cure).

3.2

Certain  Obligations  of  Employer  Following  Termination  of  Executive’s
Employment.  Following  the  termination  of  Executive’s  employment  under  the  circumstances
described  below,  Employer  will  pay  to  Executive,  subject  to  standard  federal  and  state  payroll
withholding  requirements  and  in  accordance  with  its  regular  payroll  practices,  the  following
compensation  and  provide  the  following  benefits  (provided  that  the  continuing  payments  of
Executive’s  then-current  Base  Salary,  as  described  below,  shall  occur  no  less  frequently  than
monthly):

3.2.1  Death;  Disability;  Termination  by  Employer  Without  Cause  or  by
Executive for Good Reason. In the event that Executive’s employment is terminated by Employer
pursuant to Section 3.1.1 (“Death”), Section 3.1.2 (“Disability”),  Section  3.1.4  (“Without Cause
by Employer”) or by Executive pursuant to Section 3.1.7 (“Termination by

5

Executive for Good Reason”)  hereof,  and  Executive,  or  his  estate,  as  the  case  may  be,  executes
and does not revoke a separation agreement containing a release upon such termination, in a form
provided  by  the  Employer,  of  any  and  all  claims  against  Employer  and  all  related  parties  with
respect  to  all  matters  arising  out  of  Executive’s  employment  by  Employer,  or  the  termination
thereof (the “Release”) in accordance with Section 3.7, Executive, or his estate, as the case may
be, shall be entitled to the following payments and benefits, which payments and benefits shall be
paid in accordance with this Section 3.2.1 and Section 3.7:

(i)

Continuing  payments  of  Executive’s  then-current  Base  Salary  for  the
Severance Period (as defined in Section 3.5 herein), payable subject to standard federal and
state  payroll  withholding  requirements  in  accordance  with  Employer’s  regular  payroll
practices  on  Employer’s  normal  payroll  schedule  over  the  Severance  Period,  subject  to
Section 3.7;

(ii)

Employer  shall  pay  to  Executive  a  lump  sum  payment  equal  to  the  gross
sum of any bonuses or portion thereof for any preceding year or for the year of termination
which have been or are approved by Employer, but has not been received by Executive prior
to  the  effective  date  of  termination,  less  applicable  deductions  and  withholdings,  paid  in
accordance  with  Section  2.2  but  in  no  event  later  than  two  and  one-half  (2  1/2)  months
following  the  end  of  the  fiscal  year  to  which  it  relates.  For  the  avoidance  of  doubt,
Executive  does  not  have  to  be  employed  by  Employer  on  the  date  such  bonuses  are
approved by Employer to receive such bonuses;

(iii)

So long as Executive is eligible, and so long as Executive remains eligible,
for  and  upon  his  timely  election  of  coverage  under  the  Consolidated  Omnibus  Budget
Reconciliation  Act  of  1985,  or,  if  applicable,  state  or  local  insurance  laws  (“COBRA”),
Employer  will  continue  to  pay,  directly  to  the  healthcare  provider  when  due,  Employer’s
portion  of  the  medical,  vision  and  dental  coverage  premiums  (and  Executive  will  be
responsible for Executive’s portion) for a period of twelve (12) months after the effective
date of Executive’s termination (the “COBRA Payment Period”); provided that, if at any
time  Employer  determines,  in  its  sole  discretion,  that  the  payment  of  the  COBRA
premiums would result in a violation of the nondiscrimination rules of Section 105(h)(2)
of the Code or any statute or regulation of similar effect (including but not limited to the
2010 Patient Protection and Affordable Care Act, as amended by the 2010 Health Care
and Education Reconciliation Act), then in lieu of providing the COBRA premiums for
the remainder of the COBRA Payment Period, Employer will instead pay Executive on
the  first  day  of  each  month  of  the  remainder  of  the  COBRA  Payment  Period,  a  fully
taxable  cash  payment  equal  to  the  COBRA  premiums  for  that  month,  subject  to
applicable tax withholdings, for the remainder of the COBRA Payment Period; and

(iv)

In the event such termination of employment occurs on or within three (3)
months  prior  to  or  within  twelve  (12)  months  following  the  effective  date  of  a  Change  of
Control (as defined herein), Executive shall be entitled to the additional following payments
and benefits (for the avoidance of doubt, Executive shall also be entitled to the amounts set
forth in Section 3.2.1(i)-(iii)):

6

(1)

Employer shall pay to Executive a lump sum payment equal
to  the  Annual  Expectancy  Bonus  Amount  (target  bonus),  less  applicable
deductions  and  withholdings,  paid  within  thirty  (30)  days  of  the  later  of  (a)  the
effective  date  of  the  Change  of  Control  or  (b)  Executive’s  termination,  if  such
termination occurs on or after the effective date of a Change of Control; and

(2)

In the event such termination of employment occurs (A) on
or within three (3) months prior to the effective date of a Change of Control, all
unvested  stock  options  and  other  equity  awards  held  by  Executive  and
outstanding on the effective date of termination shall become fully vested on the
effective  date  of  the  Change  of  Control,  or  (B)  within  twelve  (12)  months
following the effective date of a Change of Control, provided that any surviving
corporation  or  acquiring  corporation  assumes  Executive’s  stock  options  and/or
other  equity  awards,  as  applicable,  or  substitutes  similar  stock  options  or  equity
awards  for  Executive’s  stock  options  and/or  equity  awards,  as  applicable,  in
accordance  with  the  terms  of  Employer’s  applicable  equity  incentive  plans,  all
such  unvested  stock  options  and  other  equity  awards  held  by  Executive  and
outstanding on the effective date of termination shall become fully vested on the
date of such termination.

For purposes of this Employment Agreement, “Change of Control” means, in each case
as  approved  by  the  Board  and  the  requisite  stockholders  of  Employer,  (i)  any  consolidation  or
merger  of  Employer  with  or  into  any  other  corporation  or  other  entity  or  person,  or  any  other
corporate  reorganization,  in  which  the  stockholders  of  Employer  immediately  prior  to  such
consolidation,  merger  or  reorganization,  own,  in  the  aggregate,  less  than  50%  of  the  surviving
entity’s  voting  power  and/or  outstanding  capital  stock  immediately  after  such  consolidation,
merger  or  reorganization,  or  any  transaction  or  series  of  related  transactions  (including  any
transaction which results from an option agreement or binding letter of intent with a third party)
to which Employer or any of its stockholders is a party in which in excess of 50% of Employer’s
voting power and/or outstanding capital stock is transferred, or pursuant to which any person or
group  of  affiliated  persons  obtains  in  excess  of  50%  of  Employer’s  voting  power  and/or
outstanding  capital  stock,  excluding  any  consolidation  or  merger  effected  exclusively  to  change
the  domicile  of  Employer;  or  (ii)  any  sale,  license  or  other  disposition  (including  through  a
Board  and  stockholder  approved  division  or  spin-off  transaction)  of  all  or  substantially  all  of
the  assets  of  Employer  and/or  any  of  its  subsidiaries  or  any  sale,  exclusive  license  or  other
disposition  of  all  or  substantially  all  of  Employer’s  intellectual  property,  as  reasonably
determined  based  upon  the  potential  earning  power  of  the  assets  or  intellectual  property;
provided, however, that none of the following shall constitute a Change of Control: (A) transfers
of  capital  stock  by  an  existing  stockholder  as  a  result  of  death  or  otherwise  for  estate  planning
purposes or to such stockholder’s affiliates or to any of Employer’s other existing stockholders,
and  (B)  issuances  of  equity  securities  of  Employer  in  connection  with  financings  for  working
capital  and  other  general  corporate  purposes;  and,  provided  further,  that  such  “Change  of
Control” qualifies as either a change in ownership of Employer as defined in Section 409A of the
Code (“Section 409A”) or a change in the ownership of a substantial portion of Employer’s assets
as defined in Section 409A, as the case may be.

7

3.2.2 Termination  by  Executive  Other  than  For  Good  Reason;  Termination
Upon  Non-Renewal  by  Executive;  Termination  by  Employer  for  Cause.  In  the  event
Executive’s  employment  is  terminated  by  Executive  other  than  for  Good  Reason  pursuant  to
Section  3.1.5  hereof  (“By  Executive”)  or  by  Executive  pursuant  to  Section  3.1.6  hereof
(“Termination  Upon  Non-Renewal”)  or  by  Employer  pursuant  to  Section  3.1.3  hereof
(“Termination by Employer for Cause”), Executive shall be entitled to no further compensation
or  other  benefits  under  this  Employment  Agreement  except  as  to  that  portion  of  any  unpaid
salary and other benefits accrued and earned by him hereunder up to and including the effective
date  of  such  termination  and  to  offer  COBRA  coverage  at  Executive’s  cost  pursuant  to
applicable law.

3.2.3  Termination  Upon  Non-Renewal  by  Employer.  In  the  event  Executive’s
employment  is  terminated  by  Employer  pursuant  to  Section  3.1.6  hereof,  then  during  the  ninety
(90)-day notice period of Section 2.4, Employer shall continue to pay to Executive his then-current
Base Salary and benefits subject to standard federal and state payroll withholding requirements and
in  accordance  with  Employer’s  regular  payroll  practices,  and  no  later  than  the  effective  date  of
termination of employment, Employer shall pay to Executive any such unpaid salary accrued and
earned  by  him  up  to  and  including  the  effective  date  of  termination.  In  addition,  in  the  event
Executive’s employment is terminated by Employer pursuant to Section 3.1.6 hereof, then provided
Executive executes and does not revoke a Release in accordance with Section 3.7, Executive shall
be  entitled  to  the  following,  which  payments  and  benefits  shall  be  paid  in  accordance  with  this
Section 3.2.3 and Section 3.7:

(i)

Continuing  payments  of  Executive’s  then-current  Base  Salary  for  the
Severance  Period  payable  subject  to  standard  federal  and  state  payroll  withholding
requirements  in  accordance  with  Employer’s  regular  payroll  practices  on  Employer’s
normal payroll schedule over the Severance Period, subject to Section 3.7;

(ii)

Employer shall pay to Executive a lump sum payment equal to the gross sum
of  any  bonuses  or  portion  thereof  for  any  preceding  year  or  for  the  year  of  termination
which  have  been  or  are  approved  by  Employer,  but  has  not  been  received  by  Executive
prior  to  the  effective  date  of  termination,  less  applicable  deductions  and  withholdings,
paid in accordance with Section 2.2 but in no event later than two and one-half (2 1/2)
months  following  the  end  of  the  fiscal  year  to  which  it  relates.  For  the  avoidance  of
doubt, Executive does not have to be employed by Employer on the date such bonuses
are approved by Employer to receive such bonuses; and

(iii)

So  long  as  Executive  is  eligible,  and  so  long  as  Executive  remains  eligible,
for  and  upon  his  timely  election  of  coverage  under  COBRA,  Employer  will  continue  to
pay,  directly  to  the  healthcare  provider  when  due,  Employer’s  portion  of  the  medical,
vision  and  dental  coverage  premiums  (and  Executive  will  be  responsible  for  Executive’s
portion)  for  the  COBRA  Payment  Period;  provided  that,  if  at  any  time  Employer
determines,  in  its  sole  discretion,  that  the  payment  of  the  COBRA  premiums  would
result  in  a  violation  of  the  nondiscrimination  rules  of  Section  105(h)(2)  of  the  Code  or
any statute or regulation of similar effect (including but not limited to the 2010 Patient
Protection and Affordable Care Act, as amended by the 2010 Health Care and Education
Reconciliation Act), then in lieu of providing the COBRA premiums for

8

the remainder of the COBRA Payment Period, Employer will instead pay Executive on
the  first  day  of  each  month  of  the  remainder  of  the  COBRA  Payment  Period,  a  fully
taxable  cash  payment  equal  to  the  COBRA  premiums  for  that  month,  subject  to
applicable tax withholdings, for the remainder of the COBRA Payment Period.

3.3

Nature of Payments. All amounts to be paid by Employer to Executive pursuant

to  Sections  3.2.1(i)  —  (iv)  and  3.2.3(i)  —  (iii)  are  considered  by  the  parties  to  be  severance
payments  and  are  in  lieu  of,  and  not  in  addition  to,  any  benefits  to  which  Executive  may
otherwise be entitled under any Employer severance plan, policy or program.

3.4

Duties Upon Termination. During the Severance Period, if there is a Severance

Period applicable to  Executive’s  termination  of  employment  from  Employer, Executive shall
fully  cooperate  with  Employer  in  all  matters  relating  to  the  winding  up  of  Executive’s
pending work including, but not limited to, any litigation in which Employer is involved, and
the orderly transfer of any such pending work to such other employees as may be designated
by  Employer.  Notwithstanding  the  foregoing,  such  cooperation  requirement  shall  not
unreasonably  interfere  with  his  then  current  employment  or  business  activities.  With
Employer’s  prior  approval,  Executive  shall  be  reimbursed  for  all  expenses  reasonably
incurred  in  connection  with  such  cooperation.  Following  the  end  of  the  Severance  Period,
Executive will be released from any duties and obligations hereunder (except those duties and
obligations  set  forth  in  Article  4  hereof).  In  the  event  of  termination  of  Executive’s
employment  pursuant  to  Sections  3.1.1  through  3.1.7  hereof,  the  obligations  of  Employer  to
Executive  will  be  as  set  forth  in  Section  3.2  hereof.  Upon  termination,  Executive  shall
immediately resign from his position as CBO of Employer.

3.5

Severance Period.  “Severance  Period”  shall  mean  a  period  of  twelve  (12)  months

beginning on the effective date of Executive’s termination of employment with Employer.

3.6

Release.  Notwithstanding  any  provision  of  this  Employment  Agreement  to  the
contrary, in no event shall the timing of Executive’s execution of the Release, directly or indirectly,
result in Executive designating the calendar year of payment, and if a payment that is subject to the
requirements of Section 409A of the Code and is subject to execution of the Release could be made
in more than one taxable year based on when the Release is executed or becomes effective, payment
shall be made in the later year.

3.7

Commencement of Severance Payments. The severance payments and benefits set
forth in Sections 3.2.1(i) — (iv) (Termination by Employer for Death, Disability, Without Cause, by
Executive  for  Good  Reason)  and  Sections  3.2.3(i)  —  (iii)  (Termination  Upon  Non-Renewal  by
Employer) above will not be paid or provided unless Executive executes and does not revoke the
Release  and  the  Release  is  enforceable  and  effective  as  provided  in  the  Release  on  or  before  the
date  that  is  the  sixtieth  (60th)  day  following  the  effective  date  of  termination  (such  60th  day,  the
“Severance  Pay  Commencement  Date”).  No  cash  severance  payments  will  be  paid  pursuant  to
Sections  3.2.1  or  3.2.3  prior  to  the  Severance  Pay  Commencement  Date.  On  the  Severance  Pay
Commencement  Date,  Employer  will  pay  in  a  lump  sum  the  aggregate  amount  of  the  cash
severance payments that Employer would have paid Executive through such date had the payments
commenced on the effective date of termination through the Severance Pay Commencement Date,
with the balance paid thereafter on the applicable schedules described

9

above.  Notwithstanding  any  other  provision  of  this  Employment  Agreement  to  the  contrary,  it  is
intended  that  the  payment  of  severance  upon  termination  for  Good  Reason  by  Executive  in
accordance  with  Section  3.1.7  satisfy  the  safe  harbor  set  forth  in  Treasury  Regulation  Section
1.409A-1(n)(2)(ii)),  and  any  severance  payment  made  pursuant  to  this  Employment  Agreement
shall  satisfy  the  exemptions  from  the  application  of  Section  409A  of  the  Code  provided  under
Treasury Regulation Sections 1.409A-1(b)(4), and 1.409A-1 (b)(9).

SECTION 4. CONFIDENTIALITY, INVENTION RIGHTS, NON-COMPETITION
AND NON-SOLICITATION

4.1

Confidentiality,  Invention  Rights,  Non-Competition  and  Non-Solicitation.  The
parties  hereto  have  entered  into  a  Confidentiality,  Invention  Rights,  Non-Competition,  and  Non-
Solicitation Agreement, which may be amended by the parties from time to time without regard to
this  Employment  Agreement.  The  Confidentiality,  Invention  Rights,  Non-Competition,  and  Non-
Solicitation  Agreement  contains  provisions  that  are  intended  by  the  parties  to  survive  and  do
survive termination of this Employment Agreement.

4.2

Remedies. Executive acknowledges and agrees that (a) Employer will be irreparably
injured  in  the  event  of  a  breach  by  Executive  of  any  of  his  obligations  under  this  Article  4;  (b)
monetary damages will not be an adequate remedy for any such breach; and (c) in the event of any
such  breach,  the  Employer  will  be  entitled  to  injunctive  relief,  in  addition  to  any  other  remedy
which it may have, and Executive shall not oppose such injunctive relief based upon the extent of
the harm or the adequacy of monetary damages.

SECTION 5. MISCELLANEOUS PROVISIONS

5.1

Severability. If in any jurisdiction any term or provision hereof is determined to be
invalid or unenforceable, (a) the remaining terms and provisions hereof shall be unimpaired, (b) any
such invalidity or unenforceability in any jurisdiction shall not invalidate or render unenforceable
such provision in any other jurisdiction, and (c) the invalid or unenforceable term or provision shall,
for  purposes  of  such  jurisdiction,  be  deemed  replaced  by  a  term  or  provision  that  is  valid  and
enforceable and that comes closest to expressing the intention of the invalid or unenforceable term
or provision.

5.2

Execution in Counterparts. This Employment Agreement may be executed in one
or  more  counterparts,  and  by  the  different  parties  hereto  in  separate  counterparts,  each  of  which
shall be deemed to be an original but all of which taken together shall constitute one and the same
agreement  (and  all  signatures  need  not  appear  on  any  one  counterpart),  and  this  Employment
Agreement shall become effective when one or more counterparts has been signed by each of the
parties hereto and delivered to each of the other parties hereto.  Counterparts may be delivered via
facsimile, electronic mail (including pdf or any electronic signature complying with the U.S. federal
ESIGN  Act  of  2000,  Uniform  Electronic  Transactions  Act  or  other  applicable  law)  or  other
transmission method and any counterpart so delivered will be deemed to have been duly and validly
delivered and be valid and effective for all purposes.

5.3

Notices.  All  notices,  requests,  demands  and  other  communications  hereunder  shall

be in writing and shall be deemed duly given when delivered by hand, or when delivered if

10

mailed by registered or certified mail, postage prepaid, return receipt requested, or private courier
service or via facsimile (with written confirmation of receipt) or email (with written confirmation of
receipt) as follows:

If to Employer, to:

Aclaris Therapeutics, Inc.
640 Lee Road, Suite 200
Wayne, PA 19087
Attention: Neal Walker
E-mail: nwalker@aclaristx.com

If to Executive, to the current address on file with Employer,

or to such other address(es) as a party hereto shall have designated by like notice to the other parties
hereto.

5.4

Amendment.    No  provision  of  this  Employment  Agreement  may  be
modified, amended, waived or discharged in any manner except by a written instrument executed
by Employer and Executive.

5.5

Entire Agreement. This  Employment  Agreement  constitutes  the  entire  agreement
of  the  parties  hereto  with  respect  to  the  subject  matter  hereof,  and  supersedes  all  prior
agreements and understandings of the parties hereto, oral or written, with respect to the subject
matter  hereof,  including  but  not  limited  to  any  prior  offer  letter  or  written  embodiment  of  the
employment  relationship  between  Executive  and  Employer.  No  representation,  promise  or
inducement has been made by either party that is not embodied in this Employment Agreement,
and  neither  party  shall  be  bound  by  or  liable  for  any  alleged  representation,  promise  or
inducement not so set forth.

5.6

Applicable Law. This Employment Agreement shall be governed by and construed
in  accordance  with  the  laws  of  the  Commonwealth  of  Pennsylvania  applicable  to  contracts
made  and  to  be  wholly  performed  therein  without  regard  to  its  conflicts  or  choice  of  law
provisions.

5.7

Headings. The headings contained herein are for the sole purpose of convenience of
reference, and shall not in any way limit or affect the meaning or interpretation of any of the terms
or provisions of this Employment Agreement.

5.8

Binding Effect; Successors and Assigns. Executive may not delegate his duties or
assign  his  rights  hereunder.  This  Employment  Agreement  will  inure  to  the  benefit  of,  and  be
binding  upon,  the  parties  hereto  and  their  respective  heirs,  legal  representatives,  and  successors.
Employer may assign this Employment Agreement to any entity purchasing all or substantially all
of the assets of Employer.

5.9 Waiver, etc. The failure of either of the parties hereto to at any time enforce any of

the provisions of this Employment Agreement shall not be deemed or construed to be a

11

waiver  of  any  such  provision,  nor  to  in  any  way  affect  the  validity  of  this  Employment
Agreement  or  any  provision  hereof  or  the  right  of  either  of  the  parties  hereto  to  thereafter
enforce each and every provision of this Employment Agreement. No waiver of any breach of
any  of  the  provisions  of  this  Employment  Agreement  shall  be  effective  unless  set  forth  in  a
written instrument executed by the party against whom or which enforcement of such waiver
is  sought,  and  no  waiver  of  any  such  breach  shall  be  construed  or  deemed  to  be  a  waiver  of
any other or subsequent breach.

5.10 Continuing  Effect.  Provisions  of  this  Employment  Agreement  which  by  their
terms must survive the termination of this Employment Agreement in order to effectuate the
intent  of  the  parties  will  survive  any  such  termination,  whether  by  expiration  of  the  term,
termination of Executive’s employment, or otherwise, for such period as may be appropriate
under the circumstances.

5.11 Representations  and  Warranties  of  Executive.  Executive  hereby  represents  and
warrants  to  Employer  that  to  the  knowledge  of  Executive,  Executive  is  not  bound  by  any  non-
competition or other agreement which would prevent his performance hereunder.

5.12

Section 409A of the Code. This Employment Agreement  is  intended  to  comply
with  Section  409A  of  the  Code  and  its  corresponding  regulations,  or  an  exemption,  and
payments may only be made under this Employment Agreement upon an event and in a manner
permitted  by  Section  409A  of  the  Code,  to  the  extent  applicable.  Payment  under  this
Employment  Agreement  is  intended  to  be  exempt  from  Code  Section  409A  under  the  “short-
term  deferral”  exception  set  forth  in  Treasury  Regulation  Section  1.409A-1(b)(4),  to  the
maximum  extent  applicable,  and  then  under  the  “separation  pay”  exception  set  forth  in
Treasury Regulation Section 1.409A-1(b)(9), to the maximum extent applicable. All payments
to be made upon a termination of employment under this Employment Agreement may only be
made  upon  a  “separation  from  service”  within  the  meaning  of  Treasury  Regulation  Section
1.409A-1(h) (or any successor provision) (a “Separation from Service”). For purposes of Code
Section 409A, the right to a series of installment payments under this Employment Agreement
shall  be  treated  as  a  right  to  a  series  of  separate  payments.  In  no  event  may  the  Executive,
directly  or  indirectly,  designate  the  calendar  year  of  a  payment.  If  the  termination  of
employment  giving  rise  to  the  payments  described  in  Section  3.2.1  is  not  a  Separation  from
Service, then the amounts otherwise payable pursuant to Section 3.2.1 will instead be deferred
without 
interest  and  paid  when  Executive  experiences  a  Separation  from  Service.
Notwithstanding  anything  in  this  Employment  Agreement  to  the  contrary  or  otherwise,  with
respect  to  any  expense,  reimbursement  or  in-kind  benefit  provided  pursuant  to  this
Employment  Agreement  that  constitutes  a  “deferral  of  compensation”  within  the  meaning  of
Section  409A  of  the  Code  and  its  implementing  regulations  and  guidance,  (a)  the  expenses
eligible for reimbursement or in-kind benefits provided to Executive must be incurred during
the Employment Term (or applicable survival period), (b) the amount of expenses eligible for
reimbursement  or  in-kind  benefits  provided  to  Executive  during  any  calendar  year  will  not
affect  the  amount  of  expenses  eligible  for  reimbursement  or  in-kind  benefits  provided  to
Executive in any other calendar year, (c) the reimbursements for expenses for which Executive
is  entitled  to  be  reimbursed  shall  be  made  on  or  before  the  last  day  of  the  calendar  year
following  the  calendar  year  in  which  the  applicable  expense  is  incurred  and  (d)  the  right  to
payment or reimbursement or

12

in-kind  benefits  hereunder  may  not  be  liquidated  or  exchanged  for  any  other  benefit.
Notwithstanding any provision to the contrary in this Employment Agreement, if Executive is
deemed by Employer at the time of his Separation from Service to be a “specified employee”
for  purposes  of  Section  409A(a)(2)(B)(i)  of  the  Code,  and  if  any  of  the  payments  due  upon
Separation from Service set forth herein and/or under any other agreement with Employer are
deemed  to  be  “deferred  compensation,”  then  to  the  extent  delayed  commencement  of  any
portion of such payments is required to avoid a prohibited distribution under Section 409A(a)
(2)(B)(i)  of  the  Code  and  the  related  adverse  taxation  under  Section  409A  of  the  Code,  such
payments will not be provided to Executive prior to the earliest of (i) the expiration of the six
(6)-month  period  measured  from  the  date  of  Executive’s  Separation  from  Service  with
Employer, (ii) the date of Executive’s death or (iii) such earlier date as permitted under Section
409A  of  the  Code  without  the  imposition  of  adverse  taxation.  Upon  the  first  business  day
following  the  expiration  of  such  applicable  Code  Section  409A(a)(2)(B)(i)  period,  all
payments deferred pursuant to this Section 5.12 will be paid in a lump sum to Executive, and
any  remaining  payments  due  will  be  paid  as  otherwise  provided  in  this  Employment
Agreement or in the applicable agreement. No interest will be due on any amounts so deferred.

5.13

Section 280G. Notwithstanding any other provision of this Employment Agreement
or  any  other  plan,  arrangement  or  agreement  to  the  contrary,  if  any  of  the  payments  or  benefits
provided  or  to  be  provided  by  Employer  or  its  affiliates  to  Executive  or  for  Executive’s  benefit
pursuant  to  the  terms  of  this  Employment  Agreement  or  otherwise  (the  “Covered  Payments”)
constitute parachute payments (the “Parachute Payments”) within the meaning of Section 280G of
the Code and, but for this Section 5.13, would be subject to the excise tax imposed under Section
4999 of the Code (or any successor provision thereto) or any similar tax imposed by state or local
law  or  any  interest  or  penalties  with  respect  to  such  taxes  (collectively,  the  “Excise  Tax”),  then
prior to making the Covered Payments, a calculation shall be made comparing (i) the Net Benefit
(as defined below) to Executive of the Covered Payments after payment of the Excise Tax to (ii) the
Net Benefit to Executive if the Covered Payments are limited to the extent necessary to avoid being
subject  to  the  Excise  Tax.  Only  if  the  amount  calculated  under  clause  (i)  above  is  less  than  the
amount  under  clause  (ii)  above  will  the  Covered  Payments  be  reduced  to  the  minimum  extent
necessary  to  ensure  that  no  portion  of  the  Covered  Payments  is  subject  to  the  Excise  Tax.  “Net
Benefit”  shall  mean  the  present  value  of  the  Covered  Payments  net  of  all  federal,  state,  local,
foreign income, employment and excise taxes.

(a)
following:

Any  such  reduction  shall  be  made  in  accordance  with  Section  409A  and  the

(i)

(ii)

the  Covered  Payments  consisting  of  cash  severance  benefits  that  do  not
constitute nonqualified deferred compensation subject to Section 409A shall
be reduced first, in reverse chronological order; and

all  other  Covered  Payments  consisting  of  cash  payments,  and  Covered
Payments consisting of accelerated vesting of equity based awards to which
Treas. Reg. §1.280G-1 Q/A-24(c) does not apply, and that in either

13

case do not constitute nonqualified deferred compensation subject to Section
409A, shall be reduced second, in reverse chronological order; and

(iii)

(iv)

that  constitute
all  Covered  Payments  consisting  of  cash  payments 
nonqualified deferred compensation subject to Section 409A shall be reduced
third, in reverse chronological order; and

all  Covered  Payments  consisting  of  accelerated  vesting  of  equity-based
awards to which Treas. Reg. § 1.280G-1 Q/A-24(c) applies shall be the last
Covered Payments to be reduced.

(b)

Any determination required under this Section 5.13 shall be made in writing in good
faith  by  an  independent  accounting  firm  selected  by  Employer  and  reasonably  acceptable  to  the
Executive (the “Accountants”). Employer and Executive shall provide the Accountants with such
information  and  documents  as  the  Accountants  may  reasonably  request  in  order  to  make  a
determination under this Section 5.13. For purposes of making the calculations and determinations
required by this Section 5.13, the Accountants may rely on reasonable, good-faith assumptions and
approximations  concerning  the  application  of  Section  280G  and  Section  4999  of  the  Code.  The
Accountants’ determinations shall be final and binding on Employer and Executive. Employer shall
be  responsible  for  all  fees  and  expenses  incurred  by  the  Accountants  in  connection  with  the
calculations required by this Section 5.13.

(c)

It  is  possible  that  after  the  determinations  and  selections  made  pursuant  to  this
Section  5.13.  Executive  will  receive  Covered  Payments  that  are  in  the  aggregate  more  than  the
amount intended or required to be provided after application of this Section 5.13 (“Overpayment”)
or  less  than  the  amount  intended  or  required  to  be  provided  after  application  of  this  Section  5.13
(“Underpayment”).

(i)

(ii)

In the event that: (A) the Accountants determine, based upon the assertion of
a  deficiency  by  the  Internal  Revenue  Service  against  either  Employer  or
Executive that the Accountants believe has a high probability of success, that
an  Overpayment  has  been  made  or  (B)  it  is  established  pursuant  to  a  final
determination of a court or an Internal Revenue Service proceeding that has
been finally and conclusively resolved that an Overpayment has been made,
then Executive shall  pay  any  such  Overpayment  to  Employer  together  with
interest at the applicable federal rate (as defined in Section 7872(f)(2)(A) of
the Code) from the date of Executive’s receipt of the Overpayment until the
date of repayment.

In the event that: (A) the Accountants, based upon controlling precedent or
substantial authority, determine that an Underpayment has occurred or (B) a
court  of  competent  jurisdiction  determines  that  an  Underpayment  has
occurred, any such Underpayment will be paid promptly by Employer to or
for  the  benefit  of  Executive  together  with  interest  at  the  applicable  federal
rate  (as  defined  in  Section  7872(f)(2)(A)  of  the  Code)  from  the  date  the
amount should have otherwise been paid to Executive until the payment date.

14

5.14 Dispute  Resolution.  The  parties  recognize  that  litigation  in  federal  or  state
courts  or  before  federal  or  state  administrative  agencies  of  disputes  arising  out  of  the
Executive’s  employment  with  the  Employer  or  out  of  this  Employment  Agreement,  or  the
Executive’s termination of employment or termination of this Employment Agreement, may not
be  in  the  best  interests  of  either  the  Executive  or  Employer,  and  may  result  in  unnecessary
costs,  delays,  complexities,  and  uncertainty.  The  parties  agree  that  any  dispute  between  the
parties  arising  out  of  or  relating  to  the  negotiation,  execution,  performance  or  termination  of
this Employment Agreement or the Executive’s employment, including, but not limited to, any
claim  arising  out  of  this  Employment  Agreement,  claims  under  Title  VII  of  the  Civil  Rights
Act  of  1964,  as  amended,  the  Civil  Rights  Act  of  1991,  the  Age  Discrimination  in
Employment  Act  of  1967,  the  Americans  with  Disabilities  Act  of  1990,  Section  1981  of  the
Civil  Rights  Act  of  1966,  as  amended,  the  Family  Medical  Leave  Act,  the  Executive
Retirement  Income  Security  Act,  and  any  similar  federal,  state  or  local  law,  statute,
regulation,  or  any  common  law  doctrine,  whether  that  dispute  arises  during  or  after
employment, shall be settled by binding arbitration in accordance with the National Rules for
the  Resolution  of  Employment  Disputes  of  the  American  Arbitration  Association;  provided
however,  that  this  dispute  resolution  provision  shall  not  apply  to  any  separate  agreements
between  the  parties  that  do  not  themselves  specify  arbitration  as  an  exclusive  remedy.  The
location  for  the  arbitration  shall  be  the  Philadelphia,  Pennsylvania  metropolitan  area.  Any
award  made  by  such  panel  shall  be  final,  binding  and  conclusive  on  the  parties  for  all
purposes,  and  judgment  upon  the  award  rendered  by  the  arbitrators  may  be  entered  in  any
court  having  jurisdiction  thereof.  The  arbitrators’  fees  and  expenses  and  all  administrative
fees and expenses associated with the filing of the arbitration shall be borne by Employer. The
parties acknowledge and agree that their obligations to arbitrate under this Section survive the
termination  of  this  Employment  Agreement  and  continue  after  the  termination  of  the
employment relationship between Executive and Employer. The parties each further agree that
the  arbitration  provisions  of  this  Employment  Agreement  shall  provide  each  party  with  its
exclusive remedy, and each party expressly waives any right it might have to seek redress in
any other forum, except as otherwise expressly provided in this Employment Agreement. By
election arbitration as the means for final settlement of all claims, the parties hereby waive
their  respective  rights  to,  and  agree  not  to,  sue  each  other  in  any  action  in  a  Federal,
State  or  local  court  with  respect  to  such  claims,  but  may  seek  to  enforce  in  court  an
arbitration  award  rendered  pursuant  to  this  Employment  Agreement.  The  parties
specifically  agree  to  waive  their  respective  rights  to  a  trial  by  jury,  and  further  agree
that no demand, request or motion will be made for trial by jury.

[SIGNATURE PAGE FOLLOWS]

15

IN WITNESS WHEREOF the parties have executed this Employment Agreement as of the date
first above written.

ACLARIS THERAPEUTICS, INC.

/s/ Neal Walker

Name: Neal Walker
Title

President & CEO

Agreed to and Accepted this 26th day of January, 2022.

EXECUTIVE

/s/ James Loerop

James Loerop

1/26/2022

16

  
 
  
 
  
 
  
 
  
 
  
 
Exhibit A

List of Entities Referenced in Section 1.2.2.

None.

17

Exhibit 10.17

November 1, 2021

RE:  Severance Agreement and General Release

Dear    

This letter is intended to set forth the terms of your separation from employment with Aclaris Therapeutics, Inc. and
your general release and waiver of claims in favor of Aclaris Therapeutics, Inc., and its parents, subsidiaries, affiliates, and all
related  corporate  entities  and  partnerships,  and  their  current  or  former  officers,  directors,  partners,  shareholders,  members,
representatives, agents, employees, predecessors, successors, and assigns (“Aclaris”).

The  terms  of  this  Severance  Agreement  and  General  Release  (“Agreement”)  are  as  follows,  and  you  and  Aclaris,

intending to be legally bound and for good and valuable consideration, each agree to all of the following terms:

1.

Your Termination from Employment.  Your retirement from Aclaris will be effective as of January 3,
2022  (the  “Retirement  Date”).    Aclaris  will  pay  all  compensation  due  and  owing  to  you  as  of  the  Retirement  Date,  in
accordance with its usual compensation and payroll practices.

2.     Separation Pay and Benefits.

a. Severance Pay.  Subject to the terms of this Agreement, you will be entitled to receive a severance
payment comprised of the following: (i) $391,400 constituting the total gross amount via direct deposit on January 3, 2022
for twelve (12) months’ salary based on your current base salary; (ii) $156,560 constituting the total gross amount of your 
2021 bonus via direct deposit on  January 3, 2022; (iii) accelerated vesting of  34,788 unvested restricted stock units awarded 
to you, in connection with your employment with Aclaris from Grant Nos. 185, 459, 700, and 784 on February 1, 2018, 
March 1, 2019, March 2, 2020,  and March 1, 2021 and accelerated vesting of and extension of the exercise period applicable 
to 61,607 unvested options awarded to you, in connection with your employment with Aclaris from Grant Nos. 2080, 675, 
and 687 on February 1, 2018, March 2, 2020, and  March 1, 2021 such that all such restricted stock unit awards and options 
in subparagraph (iii) shall be fully vested. In addition, the exercise period for all currently vested and accelerated vested 
options shall be extended from ninety (90) days to one hundred eighty (180) days from the Retirement Date; (iv) accelerated 
vesting of such number of additional unvested restricted stock units awarded to you, in connection with your employment 
with Aclaris, from Grant No. 459 on March 1, 2019 equal to a value of $156,560, determined by such value divided by the 
closing price of Aclaris common stock on the Retirement Date and which shall be accelerated so that as of the Retirement 
Date all such unvested restricted stock units shall be fully vested, and (v) so long as you are eligible, and so long as you 
remain eligible, for and upon your timely election of coverage under the Consolidated Omnibus Budget Reconciliation Act of 
1985, or, if applicable, state or local insurance laws (“COBRA”), Aclaris will continue to pay, directly to the healthcare 
provider when due, 100% of the medical, vision and dental coverage premiums for family coverage (including employee 
contributions, if any) until  twelve (12) months from January 31, 2022 (the “COBRA Payment Period”); and provided further 
that, if at any time Aclaris determines, in its sole discretion, that the payment of the COBRA premiums would result in a 
violation of any nondiscrimination rules applicable under the Internal Revenue Code or otherwise, then in lieu of providing 
the COBRA premiums for the remainder of the COBRA Payment Period, Aclaris will instead pay you on the first day of each 
month of the remainder of the COBRA Payment Period, a fully taxable cash payment equal to the COBRA premiums for that 
month, subject to applicable tax withholdings, for the 
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remainder of the COBRA Payment Period (subparagraphs (i), and (iii) – (v), collectively referred to as “Severance 
Payment”). The cash portion of your Severance Payment will be paid in one lump sum via direct deposit on January 3, 2022. 
Aclaris will deduct all normal tax withholdings and deductions required by law from all payment amounts under this 
Agreement.  Your direct deposit statements will be sent to your home address via United States first class mail or by email to 
your personal email address.  The Severance Payment specified in this paragraph is the only severance payment to which you 
will be entitled. 

                                    b. Timing of Cash Severance Payment. The cash portion of your Severance Payment will be paid
in one lump sum on January 3, 2022. Notwithstanding any other provision of this Agreement to the contrary, it is
intended  that  any  Severance  Payment  made  pursuant  to  this  Agreement  shall  satisfy  the  exemptions  from  the
application  of  Section  409A  of  the  Code,  including  those  provided  under  Treasury  Regulation  Sections  1.409A-
1(b)(4), and 1 .409A-1 (b)(9).

c. Accrued and Unused Vacation Time. You will also be paid $67,742.32 which constitutes nine (9)

weeks of unused vacation time in one lump sum via direct deposit on January 3, 2022.  Aclaris will deduct all normal tax
withholdings and deductions required by law.  Your direct deposit statements will be sent to your home address via United
States first class mail or by email to your personal email address.  

d. Benefit Continuation.  Aclaris will terminate your health, dental and vision coverages effective as
of  January  31,  2022.  After  January  31,  2022,  you  may  elect  to  continue  your  health,  dental  and  vision  family  coverages
under COBRA for up to a balance of eighteen (18) months.  In order to receive this COBRA benefit, you must complete and
return  the  COBRA  election  paperwork,  which  will  be  sent  to  your  home  or  emailed  to  your  personal  email  address
approximately two (2) weeks after your loss of benefit coverage.  After the expiration of the COBRA Payment Period, you
will be fully responsible for payment of the premium cost of your family COBRA coverage, if elected.  All other benefits
will be terminated effective as of the Retirement Date.  Your rights to any portability or conversion options with regard to
your  benefits  will  be  mailed  to  your  home  or  emailed  to  your  personal  email  address  in  accordance  with  Aclaris’  usual
policies and/or practices.

                                   e. Contingent Nature of Compensation.  The Severance Payment under this Agreement shall not be
paid unless you have signed and do not revoke this Agreement pursuant to Paragraphs 21 and 22 below, and provided that
such payment will further be contingent upon your continued satisfaction of your covenants set forth in Paragraphs 4, 5 and
6  of  this  Agreement  and  your  continued  compliance  with  all  of  your  legal  duties  and  contractual  obligations  to  Aclaris,
including, without limitation, all obligations under this Agreement.

 f. Savings Plan.  You will be entitled to any vested amounts held by you or on your account in Aclaris’
401(k) savings plan, such amounts to be distributed to you or on your account in accordance with the plan terms and/or as
required by applicable law.  

 g. No Other Compensation or Benefits.  The compensation and benefits specified in this Paragraph 2
are the only compensation and benefits to which you will be entitled, and no other compensation or benefits of any kind shall
be provided to you.  You acknowledge that you are not due or entitled to any salary, benefits, or payments of any kind from
Aclaris that are not specified in this Agreement.

3.  Acknowledgment  of  Consideration.    You  acknowledge  that,  in  return  for  executing  this  Agreement,
particularly the general release in Paragraph 7, you are receiving satisfactory and adequate consideration to which you would
not otherwise be entitled.

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4.  Transition and Cooperation.

your work and responsibilities.

a. Transition.  You will fully cooperate with Aclaris to affect a professional, cooperative transition of

b.  Future  Cooperation  with  Aclaris  and  its  Counsel.    You  will,  upon  Aclaris’  reasonable  request,
cooperate to the best of your ability with Aclaris and with any legal counsel, expert, or consultant it may retain to assist it in
connection  with  any  judicial  proceeding,  arbitration,  administrative  proceeding,  governmental  investigation  or  inquiry,
internal investigation, or audit in which Aclaris is or becomes involved.  This includes, but is not limited to, your assistance,
cooperation, and participation with respect to any matter in which you have information relevant to the inquiry, or in which
you are identified as a witness.  Your assistance, cooperation and participation include, without limitation, preparing for and
attending depositions, assisting in answering factual questions for discovery, and preparing for and attending any hearing or
trial  as  a  witness.   Aclaris  agrees  to  reimburse  you  for  any  reasonable  out  of  pocket  expenses  incurred  as  a  result  of  your
assistance, cooperation and participation.  In addition, Aclaris will pay you a reasonable amount of compensation as agreed
by the parties in good faith as compensation for the time and effort required in providing the requested assistance. You will
promptly  notify  Aclaris  if  you  are  subpoenaed  by  any  person  or  entity  (including,  but  not  limited  to,  any  governmental
agency) to give information or testimony that in any way relates to your employment with or representation of Aclaris.  You
will testify truthfully in all such matters or proceedings.  Nothing in this Agreement is intended to be or may be construed in
any way as being dependent upon or contingent on the content of your testimony.

5. Confidentiality.  You agree to the following terms relating to confidentiality:

a.  Confidentiality:  Return  of  Property.   You  agree  to  return  promptly  to  Aclaris  all  company  keys,
cards,  materials,  laptop  computers  and  other  company  property,  including  without  limitation,  all  confidential  and/or
proprietary business, financial or technical information such as, without limitation, writings, documents, manuals, notebooks,
reports, audio/video work, inventions, formulas, processes, technical know-how, machines, compositions, computer software,
microfiche,  accounting  methods,  business  plans  and  information  systems  including  such  materials,  information  and  data
which  are  in  machine  readable  form  or  otherwise  and  any  information  gained  through  discussions  and/or  meetings,  etc.  of
Aclaris,  if  you  have  not  done  so  already,  and  you  further  agree  not  to  reveal  any  confidential  and/or  proprietary  business,
financial or technical information to any other person or entity or to use such information for your benefit or the benefit of
anyone  else,  either  during  or  subsequent  to  your  employment  with  Aclaris,  without  the  prior  written  approval  of  Aclaris.
Notwithstanding  the  foregoing,  you  may  keep  certain  personal  computer  and  office  equipment,  for  no  additional
consideration.

b. Confidentiality:  Non-Disclosure.  You agree not to use, publish, or otherwise disclose any secret 
or confidential information or data of Aclaris or any information or data of others, which Aclaris is obligated to maintain in 
confidence.  However, you shall not be held criminally or civilly liable under any federal or state trade secret law for the 
disclosure of a trade secret that: (1) is made (a) in confidence to a federal, state, or local government official, either directly or 
indirectly, or to an attorney, and (b) solely for the purpose of reporting or investigating a suspected violation of law; (2) is 
made in a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal; or (3) is or 
becomes a matter of public record without any breach of the terms of this Agreement by you.  Disclosures to attorneys, made 
under seal, or pursuant to court order are also protected in certain circumstances under 18 U.S.C. 1833.

c.  Confidentiality  of  the  Agreement.    You  agree  to  keep  this  Agreement  and  its  terms  strictly
confidential and not disclose this information to any third party (including any past, present, or future employees of Aclaris)
other than your accountant, legal representative, and immediate family who also agree to keep this matter strictly
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confidential, except as directed by court order.  The terms of this Agreement may be disclosed in an arbitration to enforce the
terms as provided in Paragraph 14 below.

6. Non-Disparagement.  You agree not to, in any manner whatsoever, directly, or indirectly, disparage Aclaris or
any of its officers, directors, employees, agents, customers, products, or any aspects of Aclaris’ business. Aclaris agrees to
instruct all employees including Neal Walker, President and Chief Executive Officer, Frank Ruffo, Chief Financial Officer,
Joe Monahan, Chief Scientific Officer, and David Gordon, Chief Medical Officer, as long as they are employed by Aclaris,
not to, in any manner whatsoever, directly or indirectly, disparage you.

7. General Release.  

a. Except as noted below in Paragraph 12, you hereby generally release and discharge Aclaris from 

any and all suits, causes of action, complaints, charges, obligations, demands, or claims of any kind, whether in law or in 
equity, direct or indirect, known or unknown (hereinafter “claims”), which you ever had or now have against Aclaris arising 
out of or relating to any matter, thing or event occurring up to and including the date of this Agreement.  You also release 
Aclaris from any and all claims for wrongful discharge, defamation, unfair treatment, violation of public policy, breach of 
express or implied contract, intentional or negligent infliction of emotional distress, any and all tort claims or any other claim 
related to your employment with Aclaris or the termination of that employment for any and all reasons, up to and including 
the date of this Agreement.  You specifically release Aclaris from any claim relating to or arising out of your employment 
with or termination of employment from Aclaris, including, but not limited to, any rights or claims you may have based upon 
Title VII of the Civil Rights Act of 1964, as amended, which prohibits discrimination in employment based on race, color, 
creed, religion, national origin or sex; the Age Discrimination in Employment Act including the Older Workers Benefits 
Protection Act (“ADEA”), which prohibits discrimination on the basis of age; the Equal Pay Act, which prohibits paying men 
and women unequal pay for equal work; the Americans with Disabilities Act of 1990, as amended, which prohibits 
discrimination against disabled persons; the Family Medical Leave Act, as amended, which permits extended time away from 
work to handle certain family or medical needs; the Employee Retirement Income Security Act, which regulates employment 
benefits; the Pennsylvania Human Relations Act, which prohibits discrimination in employment based on race, color, 
religion, sex, disability, national origin, age, or the results of genetic testing; the False Claims Act, 31 U.S.C. § § 3729-3733 
(including the qui tam provision thereof); the Consolidated Omnibus Budget Reconciliation Act of 1986; the Rehabilitation 
Act of 1973; the Electronic Communications Privacy Act of 1986 (including the Stored Communications Act); the Anti-
Kickback Statute,  42 U.S.C. § 1320a-7b(b); and any and all other federal, state or local laws or regulations prohibiting 
employment discrimination or which otherwise regulate employment terms and conditions, except as such release is limited 
by applicable laws.  This is a general release and covers claims that you know about presently and those that you may not 
know about up through the date of this Agreement.  This release specifically includes any and all claims for attorney’s fees 
and costs which you incur for any reason arising out of or relating to any or all matters covered by this Agreement.

b. You hereby represent and warrant that you have no knowledge of any acts or omissions by Aclaris 
or any other party released herein that are or could be construed as a breach or violation of the federal and state employment 
laws administered by the Equal Employment Opportunity Commission or any comparable state or local fair employment 
practices agencies, or of the National Labor Relations Act,  29 U.S.C. § 157, or of the False Claims Act, 31 U.S.C. § § 3729-
3733,  or of the Anti-Kickback Statute,  42 U.S.C. § 1320a-7b(b). Nothing in this Agreement should be construed as 
prohibiting you from responding to inquiries from or otherwise reporting possible violations of federal or state law or 
regulation to any governmental agency or entity, including but not limited to the Department of Justice, the Securities and 
Exchange Commission, Congress, and any agency Inspector General, or making other disclosures that are protected under the 
whistleblower provisions of federal or state law or regulation.  However, by signing this Agreement you hereby waive and 
release any and all right to benefit personally or monetarily as a result of any such inquiry, 
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640 Lee Road, Suite 200  ●  Wayne, PA  19087 ●  www.aclaristx.com  ●  Main: 484-324-7933

complaint, or investigation. This paragraph applies to all claims you could have brought prior to the date of this Agreement 
and is a material inducement of this Agreement.

8. No Admission.  This Agreement represents a full, complete, and binding compromise of claims and shall

not be construed as an admission by any party of any liability or of any contention or allegation made by the other party.

9. References.  In accordance with Aclaris’ usual policies, when responding to requests related to your future
employment or references for you, Aclaris will provide only information regarding your employment start date, Retirement
Date, and job titles.  Any such requests should be directed to Frank Ruffo, Chief Financial Officer.

10. Employment Termination Acknowledgment.  You  confirm  that  your  employment  with  Aclaris  terminates
effective  on  the  Retirement  Date,  and  that  Aclaris  has  settled  all  obligations  to  you  (except  with  respect  to  Aclaris’
obligations under this Agreement).  You agree to waive any claim to future employment with Aclaris.  You further agree that
you  will  not,  at  any  time  in  the  future,  apply  for  or  seek  any  type  of  employment  with  Aclaris,  provided  that  at  Aclaris’
request, you may be employed as a consultant for Aclaris.  If you do so, you hereby acknowledge that Aclaris’ refusal to hire
you or subsequent termination of your employment, will be legitimately based upon this provision and not for some other,
unlawful reason.

11. No Pending Claims.  You acknowledge that you have not filed a lawsuit in any federal or state court or
initiated any other governmental, administrative, or regulatory proceeding or investigation against Aclaris, and that you have
not assigned any claim against Aclaris to any other person or entity.

12. Promise Not to Sue.  You promise never to file any claim, complaint, demand for arbitration, or lawsuit
against  Aclaris  or  allow  any  other  party  acting  on  your  behalf  to  do  so  based  on  or  asserting  any  claims  relating  to  your
employment  with  Aclaris,  your  termination  of  employment  with  Aclaris,  or  any  of  the  claims  released  herein.
  Notwithstanding  the  broad  scope  of  the  general  release  above  in  Paragraph  7,  this  Agreement  is  not  intended  to  bar  any
claims that, as a matter of law, whether by statute or otherwise, may not be waived, such as claims for workers’ compensation
benefits,  unemployment  insurance  benefits  and  any  challenge  to  the  validity  of  your  general  release  of  claims  under  the
ADEA as set forth in this Agreement and Release.  Nothing in this Agreement is intended to interfere with your right to file a
charge  or  participate  in  an  administrative  investigation  or  proceeding;  any  claims  by  you  (or  on  your  behalf)  for  personal
relief including, without limitation, reinstatement, or monetary damages, would be barred.  You specifically understand that,
in  the  event  a  complaint  or  charge  is  filed,  you  shall  personally  have  no  right  to  any  relief  whatsoever  against  Aclaris,
including having no right to reinstatement, monetary damages or attorneys’ fees.

13.  Forfeiture.    If  you  breach  this  Agreement,  including  but  not  limited  to  the  provisions  of  Paragraphs  4
through 6 hereof, the compensation contained in Paragraph 2 of this Agreement shall be forfeited and Aclaris shall have no
obligation  to  pay  any  amount  other  than  your  final  salary  as  of  the  Retirement  Date  and  any  other  amounts  that  may  be
required by law to be paid.  In addition, if you breach this Agreement after payment hereunder has been made, Aclaris shall
be  entitled  to  have  the  payment  refunded  pursuant  to  an  adjudication  under  Paragraph  14  hereof.   This  provision  shall  not
limit in any way a claim for damages caused by your breach of this Agreement.

14. Governing Law; Arbitration; Jurisdiction/Venue; Waiver of Jury Trial.  This Agreement shall be governed
by and construed in accordance with the laws of the Commonwealth of Pennsylvania.  Subject to the duty to arbitrate set forth
below,  any  action  to  enforce  or  construe  this  Agreement  shall  exclusively  be  initiated  in  any  federal  or  state  court  in  the
Commonwealth  of  Pennsylvania  having  jurisdiction  over  the  subject  matter,  and  you  hereby  consent  to  the  personal
jurisdiction of these courts.  Subject to Aclaris’ right to seek temporary, preliminary, and/or permanent injunctive relief for
violations of Paragraphs 4 through 6 of this Agreement, any dispute or controversy arising under or in connection with this
Agreement shall be resolved exclusively by binding arbitration in Pennsylvania in accordance with the Resolution of
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Employment  Dispute  Rules  of  the  American  Arbitration  Association  before  one  arbitrator  of  exemplary  qualifications  and
stature, who shall be selected in accordance with the procedures of the American Arbitration Association.  The award of the
arbitrator shall be final and binding and judgment upon the award may be entered in any court of competent jurisdiction as set
forth above.  All fees and expenses of the arbitrator and all other expenses of the arbitration, except for attorneys’ fees, costs
and witness expenses shall be paid by Aclaris.  Each Party shall bear its own witness expenses, costs, and attorneys’ fees.  TO
THE FULLEST EXTENT PERMITTED BY LAW, THE PARTIES HEREBY WAIVE THE RIGHT TO A JURY TRIAL OF
ANY  CLAIM  OR  CAUSE  OF  ACTION  BASED  UPON  OR  ARISING  OUT  OF  THIS  AGREEMENT  OR  ANY
DEALINGS BETWEEN THE PARTIES RELATING TO THE SUBJECT MATTER HEREOF.

15. Entire Agreement.  This Agreement represents the entire agreement and understanding between the parties
and supersedes all prior discussions, negotiations, representations, agreements, or general releases between the parties, either
written or oral, regarding the subject hereof.  Any other prior agreements between the parties are hereby terminated and shall
have no other force or effect.  Aclaris has made no promises to you and owes no payments or monies of any kind to you, other
than those specified in this Agreement.

16. Modification.  This Agreement may be amended only by written instrument designated as an amendment

to this Agreement and executed by the parties hereto.

17.  Remedies.   All  remedies  at  law  or  in  equity  shall  be  available  for  the  enforcement  of  this  Agreement.

 This Agreement may be pleaded as a full bar to the enforcement of any claim which you may have against Aclaris.

18. Severability.    If  any  provision  of  this  Agreement  is  held  to  be  invalid  or  unenforceable  by  a  court  of
competent jurisdiction or an arbitrator, that provision will be deemed to be restated to reflect as nearly as possible the original
intentions  of  the  parties  in  accordance  with  applicable  law,  and  the  remaining  provisions  of  this  Agreement  will  not  be
affected thereby.

19. Waiver.  The failure of or delay by either party to enforce performance by the other party of any provision
of this Agreement or to exercise any right under this Agreement will not be construed as a waiver of that party’s right to assert
or rely upon any provision of this Agreement or any such right in that or any other instance.  Any waiver of any provision
hereof shall be limited to the specific circumstances to which it applies and will not be construed as a waiver of any other
provision hereof or of the same provision with respect to any other circumstances.

20.  Assignment.   You  shall  not  assign  this  Agreement  or  any  of  your  rights  and/or  obligations  under  this
Agreement to any other person.  The rights and protections of Aclaris hereunder shall extend to any successors or assigns of
Aclaris and to its affiliates.  Aclaris may, without your consent, assign this Agreement to any successor or assign.

21.  Consultation  with  Attorney  and  Acceptance  Period.   You  acknowledge  that  Aclaris  has  advised  you  to
consult  independent  legal  counsel  of  your  choice  before  signing  this  Agreement,  and  that  you  have  had  the  opportunity  to
consult such counsel and consider the terms of this Agreement for a period of twenty-one (21) days.  You acknowledge that
you understand all of the terms of this Agreement and their significance, that you knowingly and voluntarily assent to all of
the terms and conditions contained herein, and that you are signing this Agreement voluntarily and of your own free will.

22. Revocation.  This Agreement will not become effective until the eighth (8th) day following your signing
this  Agreement  (the  “Effective  Date”),  and  you  may  revoke  this  Agreement  at  any  time  before  the  Effective  Date.    You
acknowledge and understand that if you choose to revoke this Agreement after signing it, that to do so you must deliver or
arrange  to  have  delivered  a  written  notice  of  revocation  signed  by  you  to  Aclaris  to  the  attention  of  Frank  Ruffo,    Chief
Financial Officer, Aclaris Therapeutics, 640 Lee Road, Suite 200, Wayne, Pennsylvania 19087 no later than 5:00 p.m. Eastern
Standard Time on the seventh (7th) day following the day you sign this Agreement.  If the last day of the revocation
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period falls on a weekend or holiday, the last day of the revocation period will be deemed to be the next business day.  If you
revoke this Agreement in this manner, the Agreement shall automatically be null and void.

23. Supplemental Release. In further consideration for the payment and benefits set forth in Paragraph 2 (a)
(i), and (iii) –(v) and as a condition precedent to such payment and benefits, you shall execute the Supplemental Release of
Claims  (the  “Supplemental  Release”)  in  the  form  attached  hereto  as  Appendix  A.  The  Supplemental  Release  may  not  be
signed prior to the Retirement Date.

24. Notices.   All  notices  must  be  in  writing.   Your  notices  to  Aclaris  must  be  addressed  to  Aclaris  to  the
attention  of  Frank  Ruffo,  Chief  Financial  Officer,  Aclaris  Therapeutics,  640  Lee  Road,  Suite  200,  Wayne,  Pennsylvania
19087.  Aclaris’ notices to you will be mailed or delivered to your last home address which you have provided to Aclaris in
writing.

25. Counterparts.  This Agreement may be executed simultaneously in several counterparts and by facsimile,
each of which shall be an original and all of which shall constitute but one and the same instrument. The parties agree that
execution of this Agreement by industry standard electronic signature software and /or by exchanging PDF signatures shall
have  the  same  legal  force  and  effect  as  the  exchange  of  original  signatures,  and  that  in  any  proceeding  arising  under  or
relating to this Agreement, each party hereby waives any right to raise any defense or waiver based upon execution of this
Agreement by means of such electronic signatures or maintenance of the executed agreement electronically.

26. Disability and/or Death. In the event of your disability and/or death, you, your heirs, or your estate, as the
case may be, shall be entitled to the payments and benefits set forth in this Agreement, which payments and benefits shall be
paid in accordance with Paragraph 2.

.  Signatures.    The  parties  to  this  Agreement  each  acknowledge  that  the  terms  of  this  Agreement  are
contractual, that they are acting of their own free will, that they have had a sufficient opportunity to read and review the terms
of this Agreement, that they are voluntarily entering into this Agreement with full knowledge of its respective provisions and
effects, and that they have voluntarily caused the execution of this Agreement.

ACLARIS THERAPEUTICS, INC.

_/s/ Kamil Ali-Jackson_______________________
 Kamil Ali-Jackson

By:__/s/ Neal Walker_______________________ 

Neal Walker

      President and Chief Operating Officer

Date:  _11/1/21____________________________

Date:  _November 1, 2021____________________

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640 Lee Road, Suite 200  ●  Wayne, PA  19087 ●  www.aclaristx.com  ●  Main: 484-324-7933

Appendix A

SUPPLEMENTAL RELEASE OF CLAIMS

I,  Kamil  Ali-Jackson,  hereby  acknowledge  and  affirm  that  I  executed  a  Severance  Agreement  and  General  Release  with
Aclaris  Therapeutics,  Inc.  ("Aclaris"),  dated  November  1,  2021  (the  "Agreement").    Pursuant  to  that  Agreement,  I  am
required to enter into this Supplemental Release of Claims (“Supplemental Release”) with Aclaris, which extends the release
of  claims  set  forth  in  the  Agreement,  in  order  to  receive  the  consideration  set  forth  in  Paragraph  2  of  the  Agreement.    I,
therefore, agree as follows:

1. An unexecuted copy of this Supplemental Release was attached to the Agreement.  I hereby certify and acknowledge that

I received this Supplemental Release at least twenty-one (21) days before I was required to sign it.

2. General Release.

a)

In consideration of the payment and benefits described in Paragraph 2 of the Agreement, I hereby generally release
and discharge Aclaris from any and all suits, causes of action, complaints, charges, obligations, demands, or claims of
any kind, whether in law or in equity, direct or indirect, known or unknown (hereinafter “claims”), which I ever had
or now have against Aclaris arising out of or relating to any matter, thing or event occurring up to and including the
date of this Supplemental Release.  I also release Aclaris from any and all claims for wrongful discharge, defamation,
unfair treatment, violation of public policy, breach of express or implied contract, intentional or negligent infliction of
emotional  distress,  any  and  all  tort  claims  or  any  other  claim  related  to  my  employment  with  Aclaris  or  the
termination of that employment for any and all reasons, up to and including the date of this Agreement.  I specifically
release Aclaris from any claim relating to or arising out of my employment with or termination of employment from
Aclaris, including, but not limited to, any rights or claims I may have based upon Title VII of the Civil Rights Act of
1964, as amended, which prohibits discrimination in employment based on race, color, creed, religion, national origin
or sex; the Age Discrimination in Employment Act, including the Older Workers Benefits Protection Act (“ADEA”),
which  prohibits  discrimination  on  the  basis  of  age;  the  Equal  Pay  Act,  which  prohibits  paying  men  and  women
unequal pay for equal work; the Americans with Disabilities Act of 1990, as amended, which prohibits discrimination
against disabled persons; the Family Medical Leave Act, as amended, which permits extended time away from work
to  handle  certain  family  or  medical  needs;  the  Employee  Retirement  Income  Security  Act,  which  regulates
employment benefits; the Pennsylvania Human Relations Act, which prohibits discrimination in employment based
on  race,  color,  religion,  sex,  disability,  national  origin,  age,  or  the  results  of  genetic  testing;  the  Missouri  Human
Rights  Act  (MHRA);  the  Missouri  Equal  Pay  for  Women  Act;  the  Missouri  Service  Letter  Statute;  the  Missouri
Minimum Wage Law; the Missouri Wage Payment Law; St. Louis City Ordinance No. 67119, as amended ;the False
Claims Act, 31 U.S.C. § § 3729-3733 (including the qui tam provision thereof); the Consolidated Omnibus Budget
Reconciliation  Act  of  1986;  the  Rehabilitation  Act  of  1973;  the  Electronic  Communications  Privacy  Act  of  1986
(including  the  Stored  Communications  Act);  the  Anti-Kickback  Statute,    42  U.S.C.  §  1320a-7b(b);  the  Worker
Adjustment and Retraining Notification Act of 1988, 29 U.S.C. § 210l, et seq.; and any and all other federal, state or
local laws or regulations prohibiting employment discrimination or which otherwise regulate employment terms and
conditions, except as such release is limited by applicable laws.  This is a general release and covers claims that I
know about presently and those that I may not know about up through the date of this Supplemental Release.  This
release specifically includes any and all claims for attorney’s fees and costs which I incur for any reason arising out
of or relating to any or all matters covered by this Supplemental Release.

__________________________________________________________________________________________________
640 Lee Road, Suite 200  ●  Wayne, PA  19087 ●  www.aclaristx.com  ●  Main: 484-324-7933

b)

I  hereby  represent  and  warrant  that  I  have  no  knowledge  of  any  acts  or  omissions  by  Aclaris  or  any  other  party
released  herein  that  are  or  could  be  construed  as  a  breach  or  violation  of  the  federal  and  state  employment  laws
administered by the Equal Employment Opportunity Commission or any comparable state or local fair employment
practices agencies, or of the National Labor Relations Act,  29 U.S.C. § 157, or of the False Claims Act, 31 U.S.C. §
§  3729-3733,    or  of  the  Anti-Kickback  Statute,    42  U.S.C.  §  1320a-7b(b).    Nothing  in  this  Supplemental  Release
should be construed as prohibiting me from responding to inquiries from or otherwise reporting possible violations of
federal or state law or regulation to any governmental agency or entity, including but not limited to the Department of
Justice,  the  Securities  and  Exchange  Commission,  Congress,  and  any  agency  Inspector  General,  or  making  other
disclosures that are protected under the whistleblower provisions of federal or state law or regulation.  However, by
signing this Supplemental Release, I hereby waive and release any and all right to benefit personally or monetarily as
a result of any such inquiry, complaint, or investigation.  This paragraph applies to all claims I could have brought
prior to the date of this Supplemental Release and is a material inducement of this Supplemental Release.

c) Notwithstanding  the  broad  scope  of  the  general  release  above  in  Paragraph  2(a),  this  Supplemental  Release  is  not
intended  to  bar  any  claims  that,  as  a  matter  of  law,  whether  by  statute  or  otherwise,  may  not  be  waived,  such  as
claims for workers’ compensation benefits, unemployment insurance benefits and any challenge to the validity of my
general release of claims under the ADEA as set forth in this Supplemental Release.  Nothing in this Supplemental
Release  is  intended  to  interfere  with  my  right  to  file  a  charge  or  participate  in  an  administrative  investigation  or
proceeding; any claims by me (or on my behalf) for personal relief including, without limitation, reinstatement, or
monetary damages, would be barred.  I specifically understand that, in the event a complaint or charge is filed, I shall
personally  have  no  right  to  any  relief  whatsoever  against  Aclaris,  including  having  no  right  to  reinstatement,
monetary damages or attorneys’ fees.

3.

4.

I  acknowledge  that  Aclaris  has  advised  me  to  consult  independent  legal  counsel  of  my  choice  before  signing  this
Supplemental  Release,  and  that  I  have  had  the  opportunity  to  consult  such  counsel  and  consider  the  terms  of  this
Supplemental Release for a period of twenty-one (21) days.

I acknowledge that this Supplemental Release will not become effective until the eighth (8th) day following my signing
this Supplemental Release (the “Supplemental Release Effective Date”), and I may revoke this Supplemental Release  at
any time before the Supplemental Release Effective Date.  I acknowledge and understand that if I choose to revoke this
Supplemental  Release  after  signing  it,  that  to  do  so  I  must  deliver  or  arrange  to  have  delivered  a  written  notice  of
revocation signed by me to Aclaris to the attention of Frank Ruffo, Chief Financial Officer, Aclaris Therapeutics, 640 Lee
Road,  Suite  200,  Wayne,  Pennsylvania  19087  no  later  than  5:00  p.m.  Eastern  Standard  Time  on  the  seventh  (7th)  day
following the day I sign this Supplemental Release.  If the last day of the revocation period falls on a weekend or holiday,
the last day of the revocation period will be deemed to be the next business day.  If I revoke this Supplemental Release in
this manner, the Supplemental Release shall automatically be null and void and I understand that I will not be entitled to
the payment and benefits described in Paragraph 2 of the Agreement.

5.

I also make the following acknowledgements and representations:

a)

b)

I understand that rights or claims which may arise after the date this Supplemental Release is executed are not waived
by me;
I have carefully read and fully understand all of the provisions of this Supplemental Release, I knowingly and
voluntarily agree to all of the terms set forth in this Supplemental Release and I acknowledge that in entering into this
Supplemental Release, I am not relying on any representation, promise or inducement made by Aclaris or its
representatives with the exception of those promises contained in this Supplemental Release and the Agreement;

__________________________________________________________________________________________________
640 Lee Road, Suite 200  ●  Wayne, PA  19087 ●  www.aclaristx.com  ●  Main: 484-324-7933

c) The consideration that I will receive in exchange for the Agreement and this Supplemental Release is something of

value to which I am not already entitled.

d)

I represent, as of the date of this Supplemental Release, I have not filed any lawsuits, charges, complaints, petitions,
claims or other accusatory pleadings against Aclaris or any of the other released parties in any court, arbitral forum or
with any governmental agency related to the matters released in this Supplemental Release.

e)

I have returned all Aclaris property in accordance with Paragraph 5(a) of the Agreement.

f)

I agree that this Supplemental Release is part of the Agreement.

Agreed to and Accepted:

KAMIL ALI-JACKSON

Signature:  

Date:  

__________________________________________________________________________________________________
640 Lee Road, Suite 200  ●  Wayne, PA  19087 ●  www.aclaristx.com  ●  Main: 484-324-7933

  
 
  
 
Exhibit 10.18

January 7, 2022

David Gordon

RE:  Severance Agreement and General Release

Dear David:

This letter is intended to set forth the terms of your separation from employment with Aclaris Therapeutics, Inc. and
your general release and waiver of claims in favor of Aclaris Therapeutics, Inc., and its parents, subsidiaries, affiliates, and all
related  corporate  entities  and  partnerships,  and  their  current  or  former  officers,  directors,  partners,  shareholders,  members,
representatives, agents, employees, predecessors, successors and assigns (“Aclaris”).

The  terms  of  this  Severance  Agreement  and  General  Release  (“Agreement”)  are  as  follows,  and  you  and  Aclaris,

intending to be legally bound and for good and valuable consideration, each agree to all of the following terms:

1. Your Termination from Employment.  Your employment will be terminated effective January 7, 2022 
(the “Termination Date”).  Aclaris will pay all compensation due and owing to you as of the Termination Date, in accordance 
with its usual compensation and payroll practices.  

2. Severance Pay and Benefits.

a. Severance Pay.  Subject to the terms of this Agreement, you will be entitled to receive a severance

payment in the amount of $169,781.20 constituting the total gross amount of your 2021 bonus (“Severance Payment”). The
Severance Payment will be paid in one lump sum via direct deposit within thirty (30) days following the Termination Date in
accordance with Aclaris’ usual compensation and payroll practices. Aclaris will deduct all normal tax withholdings and
deductions required by law.  Your direct deposit statements will be sent to your home address via United States first class
mail.  The Severance Payment specified in this paragraph is the only severance payment to which you will be entitled.

b. Accrued and Unused Vacation Time.  You will also be paid for accrued but unused vacation time

that is owed under the terms of Aclaris’ policies in one lump sum via direct deposit on the next regular payroll cycle
following the Termination Date in accordance with Aclaris’ usual compensation and payroll practices.  Aclaris will deduct all
normal tax withholdings and deductions required by law.  Your direct deposit statements will be sent to your home address via
United States first class mail.  

c. Benefit Continuation.  Aclaris will terminate your health, dental and vision coverages effective 

February 28, 2022. Aclaris will reimburse you for any premium that you pay to COBRA for the month of February. 
Thereafter, you may elect to continue your health, dental and vision coverages under COBRA for up to a balance of eighteen 
(18) months.  In order to receive this COBRA benefit, you must complete and return the COBRA election 
__________________________________________________________________________________________________
640 Lee Road, Suite 200  ●  Wayne, PA  19087 ●  www.aclaristx.com  ●  Main: 484-324-7933

paperwork, which will be sent to your home approximately two (2) weeks after your loss of benefit coverage.  Should you 
elect COBRA continuation, you will be fully responsible for payment of the premium cost of your COBRA coverage.  All 
other benefits will be terminated effective as of the Termination Date.  Your rights to any portability or conversion options 
with regard to your benefits will be mailed to your home in accordance with Aclaris’ usual policies and/or practices.  
Continuation of coverage shall in all respects be subject to the requirements, conditions and limitations of COBRA and 
Aclaris’ plans, which may be amended, modified or discontinued from time to time in the sole discretion of Aclaris.

d. Contingent Nature of Compensation.  The Severance Payment under this Agreement shall not be 

paid unless you have signed and do not revoke this Agreement pursuant to Paragraphs 21 and 22 below, and provided that 
such payments will further be contingent upon your continued satisfaction of your covenants set forth in Paragraphs 4, 5 and 
6 of this Agreement and your continued compliance with all of your legal duties and contractual obligations to Aclaris, 
including, without limitation, all obligations under this Agreement.

e. Savings Plan.  You will be entitled to any vested amounts held by you or on your account in 

Aclaris’ 401(k) savings plan, such amounts to be distributed to you or on your account in accordance with the plan terms 
and/or as required by applicable law.  

f. No Other Compensation or Benefits.  The compensation and benefits specified in Paragraph 1 and 
this Paragraph 2 are the only compensation and benefits to which you will be entitled, and no other compensation or benefits 
of any kind shall be provided to you.  You acknowledge that you are not due or entitled to any salary, benefits or payments of 
any kind from Aclaris that are not specified in this Agreement.

3. Acknowledgment  of  Consideration.    You  acknowledge  that,  in  return  for  executing  this  Agreement,
particularly the general release in Paragraph 7, you are receiving satisfactory and adequate consideration to which you would
not otherwise be entitled.

4. Transition and Cooperation.

of your work and responsibilities.

a. Transition.  You will fully cooperate with Aclaris to affect a professional, cooperative transition

b. Future  Cooperation  with  Aclaris  and  its  Counsel.   You  will,  upon  Aclaris’  reasonable  request,
cooperate to the best of your ability with Aclaris and with any legal counsel, expert or consultant it may retain to assist it in
connection  with  any  judicial  proceeding,  arbitration,  administrative  proceeding,  governmental  investigation  or  inquiry,
internal investigation or audit in which Aclaris is or becomes involved.  This includes, but is not limited to, your assistance,
cooperation and participation with respect to any matter in which you have information relevant to the inquiry, or in which
you are identified as a witness.  Your assistance, cooperation and participation include, without limitation, preparing for and
attending depositions, assisting in answering factual questions for discovery, and preparing for and attending any hearing or
trial  as  a  witness.   Aclaris  agrees  to  reimburse  you  for  any  reasonable  out  of  pocket  expenses  incurred  as  a  result  of  your
assistance, cooperation and participation.  In addition, Aclaris will pay you a reasonable amount of compensation as agreed
by the parties in good faith as compensation for the time and effort required in providing the requested assistance. You will
promptly  notify  Aclaris  if  you  are  subpoenaed  by  any  person  or  entity  (including,  but  not  limited  to,  any  governmental
agency) to give information or testimony that in any way relates to your employment with or representation of Aclaris.  You
will testify truthfully in all such matters or proceedings.  Nothing in this Agreement is intended to be or may be construed in
any way as being dependent upon or contingent on the content of your testimony.

__________________________________________________________________________________________________
640 Lee Road, Suite 200  ●  Wayne, PA  19087 ●  www.aclaristx.com  ●  Main: 484-324-7933

5. Confidentiality.  You agree to the following terms relating to confidentiality:

a. Confidentiality: Return of Property.  You agree to return to Aclaris, on the Termination Date or
such earlier date as Aclaris may request in its sole discretion, all company keys, cards, materials, laptop computers and other
company  property,  including  without  limitation,  all  confidential  and/or  proprietary  business,  financial  or  technical
information  such  as,  without  limitation,  writings,  documents,  manuals,  notebooks,  reports,  audio/video  work,  inventions,
formulas,  processes,  technical  know-how,  machines,  compositions,  computer  software,  microfiche,  accounting  methods,
business plans and information systems including such materials, information and data which are in machine readable form or
otherwise and any information gained through discussions and/or meetings, etc. of Aclaris, if you have not done so already,
and  you  further  agree  not  to  reveal  any  confidential  and/or  proprietary  business,  financial  or  technical  information  to  any
other person or entity or to use such information for your benefit or the benefit of anyone else, either during or subsequent to
your employment with Aclaris, without the prior written approval of Aclaris.

b. Confidentiality:  Non-Disclosure.  You agree not to use, publish or otherwise disclose any secret 

or confidential information or data of Aclaris or any information or data of others, which Aclaris is obligated to maintain in 
confidence.  However, you shall not be held criminally or civilly liable under any federal or state trade secret law for the 
disclosure of a trade secret that: (1) is made (a) in confidence to a federal, state, or local government official, either directly or 
indirectly, or to an attorney, and (b) solely for the purpose of reporting or investigating a suspected violation of law; (2) is 
made in a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal; or (3) is or 
becomes a matter of public record without any breach of the terms of this Agreement by you.  Disclosures to attorneys, made 
under seal, or pursuant to court order are also protected in certain circumstances under 18 U.S.C. 1833.

c. Confidentiality  of  the  Agreement.    You  agree  to  keep  this  Agreement  and  its  terms  strictly
confidential and not disclose this information to any third party (including any past, present, or future employees of Aclaris)
other than your accountant, legal representative, and immediate family who also agree to keep this matter strictly confidential,
except as directed by court order.  The terms of this Agreement may be disclosed in an arbitration to enforce the terms as
provided in Paragraph 14 below.

6.

a.

Non-Disparagement.  You agree that you will not make any public statement that would 

adversely affect Aclaris’ business in any manner, at any time, even beyond the date after which you will receive no further 
compensation or benefits pursuant to this Agreement.  You further agree that you will not directly or indirectly take any 
actions, make any statements, or cause others to take any actions or make any statements that disparage, criticize, or reflect 
negatively on Aclaris or its actions, its products, services, or operations, or any of Aclaris’ past, present, or future directors, 
officers, employees, agents or representatives, or any of their actions or decisions, or Aclaris’ customers.  Notwithstanding 
the foregoing, nothing in this paragraph is intended to restrict or impede you from providing testimony as required by law, 
from exercising legal rights to communicate with any government agency or from engaging in activities permitted under 
Section 7 of the National Labor Relations Act.

b.

No Publicity. You agree that you will not, directly or indirectly, either personally or

through others, issue or cause to be issued any oral or written or other form of public statements, publications, books, press
releases, comments or other narrative, regardless of their form (print, oral, visual, recorded, electronic or otherwise),
including without limitation any communication, interviews and/or statements to any member of the media (including without
limitation any print, broadcast or electronic media), concerning, referring or relating to, or which could fairly be understood
to concern, refer or relate to, directly or indirectly, Aclaris or any of Aclaris’ parents, subsidiaries, affiliates, directors,
officers, employees, agents or representatives.

__________________________________________________________________________________________________
640 Lee Road, Suite 200  ●  Wayne, PA  19087 ●  www.aclaristx.com  ●  Main: 484-324-7933

7. General Release.  

a. Except as noted below in Paragraph 12, you hereby generally release and discharge Aclaris from 

any and all suits, causes of action, complaints, charges, obligations, demands, or claims of any kind, whether in law or in 
equity, direct or indirect, known or unknown (hereinafter “claims”), which you ever had or now have against Aclaris arising 
out of or relating to any matter, thing or event occurring up to and including the date of this Agreement.  You also release 
Aclaris from any and all claims for wrongful discharge, defamation, unfair treatment, violation of public policy, breach of 
express or implied contract, intentional or negligent infliction of emotional distress, any and all tort claims or any other claim 
related to your employment with Aclaris or the termination of that employment for any and all reasons, up to and including 
the date of this Agreement.  You specifically release Aclaris from any claim relating to or arising out of your employment 
with or termination of employment from Aclaris, including, but not limited to, any rights or claims you may have based upon 
Title VII of the Civil Rights Act of 1964, as amended, which prohibits discrimination in employment based on race, color, 
creed, religion, national origin or sex; the Age Discrimination in Employment Act including the Older Workers Benefits 
Protection Act (“ADEA”), which prohibits discrimination on the basis of age; the Equal Pay Act, which prohibits paying men 
and women unequal pay for equal work; the Americans with Disabilities Act of 1990, as amended, which prohibits 
discrimination against disabled persons; the Family Medical Leave Act, as amended, which permits extended time away from 
work to handle certain family or medical needs; the Employee Retirement Income Security Act, which regulates employment 
benefits; the Pennsylvania Human Relations Act, which prohibits discrimination in employment based on race, color, 
religion, sex, disability, national origin, age, or the results of genetic testing;  the False Claims Act, 31 U.S.C. § § 3729-3733 
(including the qui tam provision thereof); the Consolidated Omnibus Budget Reconciliation Act of 1986; the Rehabilitation 
Act of 1973; the Electronic Communications Privacy Act of 1986 (including the Stored Communications Act); the Anti-
Kickback Statute,  42 U.S.C. § 1320a-7b(b); the Worker Adjustment and Retraining Notification Act of 1988, 29 U.S.C. § 
210l, et seq.; and any and all other federal, state or local laws or regulations prohibiting employment discrimination or which 
otherwise regulate employment terms and conditions, except as such release is limited by applicable laws.  This is a general 
release and covers claims that you know about presently and those that you may not know about up through the date of this 
Agreement.  This release specifically includes any and all claims for attorney’s fees and costs which you incur for any reason 
arising out of or relating to any or all matters covered by this Agreement.

b. You hereby represent and warrant that you have no knowledge of any acts or omissions by 
Aclaris or any other party released herein that are or could be construed as a breach or violation of the federal and state 
employment laws administered by the Equal Employment Opportunity Commission or any comparable state or local fair 
employment practices agencies, or of the National Labor Relations Act,  29 U.S.C. § 157, or of the False Claims Act, 31 
U.S.C. § § 3729-3733,  or of the Anti-Kickback Statute,  42 U.S.C. § 1320a-7b(b). Nothing in this Agreement should be 
construed as prohibiting you from responding to inquiries from or otherwise reporting possible violations of federal or state 
law or regulation to any governmental agency or entity, including but not limited to the Department of Justice, the Securities 
and Exchange Commission, Congress, and any agency Inspector General, or making other disclosures that are protected 
under the whistleblower provisions of federal or state law or regulation.  However, by signing this Agreement you hereby 
waive and release any and all right to benefit personally or monetarily as a result of any such inquiry, complaint, or 
investigation. This paragraph applies to all claims you could have brought prior to the date of this Agreement and is a 
material inducement of this Agreement.

__________________________________________________________________________________________________
640 Lee Road, Suite 200  ●  Wayne, PA  19087 ●  www.aclaristx.com  ●  Main: 484-324-7933

8. No Admission.    This  Agreement  represents  a  full,  complete  and  binding  compromise  of  claims  and
shall not be construed as an admission by any party of any liability or of any contention or allegation made by the other
party.

9. References.    In  accordance  with  Aclaris’  usual  policies,  when  responding  to  requests  related  to  your
future  employment  or  references  for  you,  Aclaris  will  provide  only  information  regarding  your  employment  start  date,
Termination Date and job titles.  Any such requests should be directed to Spencer Brown, Vice President, Legal Affairs.

10. Employment  Termination  Acknowledgment.  You  confirm  that  your  employment  with  Aclaris
terminates  effective  on  the  Termination  Date,  and  that  Aclaris  has  settled  all  obligations  to  you  (except  with  respect  to
Aclaris’ obligations under this Agreement).  You agree to waive any claim to future employment with Aclaris.  You further
agree that you will not, at any time in the future, apply for or seek any type of employment or independent contractor work
with  Aclaris,  including  but  not  limited  to  full-time,  part-time,  or  temporary  employment  or  any  other  form  of  contract
work.    If  you  do  so,  you  hereby  acknowledge  that  Aclaris’  refusal  to  hire  you  or  subsequent  termination  of  your
employment or contract, will be legitimately based upon this provision and not for some other, unlawful reason.

11. No Pending Claims.  You acknowledge that you have not filed a lawsuit in any federal or state court or
initiated  any  other  governmental,  administrative,  or  regulatory  proceeding  or  investigation  against  Aclaris,  and  that  you
have not assigned any claim against Aclaris to any other person or entity.

12. Promise  Not  to  Sue.    You  promise  never  to  file  any  claim,  complaint,  demand  for  arbitration,  or
lawsuit against Aclaris or allow any other party acting on your behalf to do so based on or asserting any claims relating to
your  employment  with  Aclaris,  your  termination  of  employment  with  Aclaris,  or  any  of  the  claims  released  herein.
 Notwithstanding the broad scope of the general release above in Paragraph 7, this Agreement is not intended to bar any
claims  that,  as  a  matter  of  law,  whether  by  statute  or  otherwise,  may  not  be  waived,  such  as  claims  for  workers’
compensation  benefits,  unemployment  insurance  benefits  and  any  challenge  to  the  validity  of  your  general  release  of
claims under the ADEA as set forth in this Agreement and Release.  Nothing in this Agreement is intended to interfere
with your right to file a charge or participate in an administrative investigation or proceeding; any claims by you (or on
your behalf) for personal relief including, without limitation, reinstatement or monetary damages, would be barred.  You
specifically understand that, in the event a complaint or charge is filed, you shall personally have no right to any relief
whatsoever against Aclaris, including having no right to reinstatement, monetary damages or attorneys’ fees.

13. Forfeiture.  If you breach this Agreement, including but not limited to the provisions of Paragraphs 4
through 6 hereof, the compensation contained in Paragraphs 1 and 2 of this Agreement shall be forfeited and Aclaris shall
have no obligation to pay any amount other than your final salary as of the Termination Date and any other amounts that
may be required by law to be paid.  In addition, if you breach this Agreement after payment hereunder has been made,
Aclaris  shall  be  entitled  to  have  the  payment  refunded  pursuant  to  an  adjudication  under  Paragraph  14  hereof.    This
provision shall not limit in any way a claim for damages caused by your breach of this Agreement.

14. Governing  Law;  Arbitration;  Jurisdiction/Venue;  Waiver  of  Jury  Trial.    This  Agreement  shall  be
governed  by  and  construed  in  accordance  with  the  laws  of  the  Commonwealth  of  Pennsylvania.    Subject  to  the  duty  to
arbitrate set forth below, any action to enforce or construe this Agreement shall exclusively be initiated in any federal or
state court in the Commonwealth of Pennsylvania having jurisdiction over the subject matter, and you hereby consent to
the  personal  jurisdiction  of  these  courts.    Subject  to  Aclaris’  right  to  seek  temporary,  preliminary,  and/or  permanent
injunctive relief for violations of Paragraphs 4 through 6 of this Agreement, any dispute or controversy arising under or in
connection with this Agreement shall be resolved exclusively by binding arbitration in Pennsylvania in accordance

__________________________________________________________________________________________________
640 Lee Road, Suite 200  ●  Wayne, PA  19087 ●  www.aclaristx.com  ●  Main: 484-324-7933

with  the  Resolution  of  Employment  Dispute  Rules  of  the  American  Arbitration  Association  before  one  arbitrator  of
exemplary qualifications and stature, who shall be selected in accordance with the procedures of the American Arbitration
Association.  The award of the arbitrator shall be final and binding and judgment upon the award may be entered in any
court of competent jurisdiction as set forth above.  All fees and expenses of the arbitrator and all other expenses of the
arbitration, except for attorneys’ fees, costs and witness expenses shall be paid by Aclaris.  Each Party shall bear its own
witness  expenses,  costs,  and  attorneys’  fees.    TO  THE  FULLEST  EXTENT  PERMITTED  BY  LAW,  THE  PARTIES
HEREBY WAIVE THE RIGHT TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF ACTION BASED UPON OR
ARISING  OUT  OF  THIS  AGREEMENT  OR  ANY  DEALINGS  BETWEEN  THE  PARTIES  RELATING  TO  THE
SUBJECT MATTER HEREOF.  YOU FURTHER AGREE THAT ANY CLAIMS MUST BE ARBITRATED SOLELY
ON AN INDIVIDUAL, NON-CLASS AND NON-COLLECTIVE BASIS, AND UNDER NO CIRCUMSTANCE MAY
ANY  CLAIMS  BE  CONSOLIDATED  WITH  ANY  ARBITRATION,  ACTION  OR  LEGAL  PROCEEDING
INSTITUTED  BY  A  THIRD  PARTY  FOR  ANY  PURPOSE.    This  provision,  including  the  foregoing  requirement  that
claims be asserted on an individual and not class basis, shall be interpreted in accordance with and subject to the Federal
Arbitration Act ("FAA"), and all questions of arbitrability shall be referred to the arbitrator, to be determined in accordance
with the AAA rules referenced above, and not any Court.

15. Entire Agreement.   This  Agreement  represents  the  entire  agreement  and  understanding  between  the
parties  and  supersedes  all  prior  discussions,  negotiations,  representations,  agreements  or  general  releases  between  the
parties,  either  written  or  oral,  regarding  the  subject  hereof.   Any  other  prior  agreements  between  the  parties  are  hereby
terminated and shall have no other force or effect.  Aclaris has made no promises to you and owes no payments or monies
of any kind to you, other than those specified in this Agreement.

16. Modification.    This  Agreement  may  be  amended  only  by  written  instrument  designated  as  an

amendment to this Agreement and executed by the parties hereto.

17. Remedies.  All remedies at law or in equity shall be available for the enforcement of this Agreement.

 This Agreement may be pleaded as a full bar to the enforcement of any claim which you may have against Aclaris.

18. Severability.  If any provision of this Agreement is held to be invalid or unenforceable by a court of
competent  jurisdiction  or  an  arbitrator,  that  provision  will  be  deemed  to  be  restated  to  reflect  as  nearly  as  possible  the
original intentions of the parties in accordance with applicable law, and the remaining provisions of this Agreement will
not be affected thereby.

19. Waiver.    The  failure  of  or  delay  by  either  party  to  enforce  performance  by  the  other  party  of  any
provision of this Agreement or to exercise any right under this Agreement will not be construed as a waiver of that party’s
right to assert or rely upon any provision of this Agreement or any such right in that or any other instance.  Any waiver of
any provision hereof shall be limited to the specific circumstances to which it applies and will not be construed as a waiver
of any other provision hereof or of the same provision with respect to any other circumstances.

20. Assignment.  You shall not assign this Agreement or any of your rights and/or obligations under this
Agreement to any other person.  The rights and protections of Aclaris hereunder shall extend to any successors or assigns
of Aclaris and to its affiliates.  Aclaris may, without your consent, assign this Agreement to any successor or assign.

21. Consultation with Attorney and Acceptance Period.  You acknowledge that Aclaris has advised you to 
consult independent legal counsel of your choice before signing this Agreement, and that you have had the opportunity to 
consult such counsel and consider the terms of this Agreement for a period of forty-five (45) days.  You 

__________________________________________________________________________________________________
640 Lee Road, Suite 200  ●  Wayne, PA  19087 ●  www.aclaristx.com  ●  Main: 484-324-7933

acknowledge that you understand all of the terms of this Agreement and their significance, that you knowingly and 
voluntarily assent to all of the terms and conditions contained herein, and that you are signing this Agreement voluntarily 
and of your own free will.  

22. Revocation.    This  Agreement  will  not  become  effective  until  the  eighth  (8th)  day  following  your
signing this Agreement (the “Effective Date”), and you may revoke this Agreement at any time before the Effective Date.
 You  acknowledge  and  understand  that  if  you  choose  to  revoke  this  Agreement  after  signing  it,  that  to  do  so  you  must
deliver or arrange to have delivered a written notice of revocation signed by you to Aclaris to the attention of Kamil Ali-
Jackson, Chief Legal Officer, Aclaris Therapeutics, 640 Lee Road, Suite 200, Wayne, Pennsylvania 19087 no later than
5:00 p.m. Eastern Standard Time on the seventh (7th) day following the day you sign this Agreement.  If the last day of the
revocation  period  falls  on  a  weekend  or  holiday,  the  last  day  of  the  revocation  period  will  be  deemed  to  be  the  next
business day.  If you revoke this Agreement in this manner, the Agreement shall automatically be null and void.

23. Notices.  All notices must be in writing.  Your notices to Aclaris must be addressed to Aclaris to the
attention of Legal Department, Aclaris Therapeutics, Inc., 640 Lee Road, Suite 200, Wayne, Pennsylvania 19087.  Aclaris’
notices to you will be mailed or delivered to your last home address which you have provided to Aclaris in writing.

24. Counterparts.    This  Agreement  may  be  executed  simultaneously  in  several  counterparts  and  by
facsimile, each of which shall be an original and all of which shall constitute but one and the same instrument. The parties
agree  that  execution  of  this  Agreement  by  industry  standard  electronic  signature  software  and  /or  by  exchanging  PDF
signatures  shall  have  the  same  legal  force  and  effect  as  the  exchange  of  original  signatures,  and  that  in  any  proceeding
arising under or relating to this Agreement, each party hereby waives any right to raise any defense or waiver based upon
execution  of  this  Agreement  by  means  of  such  electronic  signatures  or  maintenance  of  the  executed  agreement
electronically.

25. Signatures.    The  parties  to  this  Agreement  each  acknowledge  that  the  terms  of  this  Agreement  are
contractual, that they are acting of their own free will, that they have had a sufficient opportunity to read and review the
terms  of  this  Agreement,  that  they  are  voluntarily  entering  into  this  Agreement  with  full  knowledge  of  its  respective
provisions and effects, and that they have voluntarily caused the execution of this Agreement.

ACLARIS THERAPEUTICS, INC.

/s/ David Gordon
David Gordon

By:

/s/ Neal Walker
Neal Walker
President and Chief Executive Officer

Date:   01/06/2022

Date:   1/11/2022

__________________________________________________________________________________________________
640 Lee Road, Suite 200  ●  Wayne, PA  19087 ●  www.aclaristx.com  ●  Main: 484-324-7933

Exhibit 10.23

ACLARIS THERAPEUTICS, INC.

SEVENTH AMENDED & RESTATED
NON-EMPLOYEE DIRECTOR COMPENSATION POLICY

Each  member  of  the  Board  of  Directors  (the  “Board”)  who  is  not  also  serving  as  an  employee  of  Aclaris
Therapeutics,  Inc.  (the  “Company”)  (each  such  member,  an  “Eligible  Director”)  will  receive  the  compensation
described in this Seventh Amended & Restated Non-Employee Director Compensation Policy (this “Policy”) for his or
her Board service effective as of February 8, 2022 (the “Effective Date”).  An Eligible Director may decline all or any
portion of his or her compensation by giving notice to the Company prior to the date cash is to be paid or equity awards
are to be granted, as the case may be.  This Policy may be amended at any time in the sole discretion of the Board or the
Compensation  Committee  of  the  Board.  The  terms  and  conditions  of  this  Policy  shall  supersede  any  prior  Non-
Employee Director Compensation Policy of the Company.

Annual Cash Compensation

The annual cash compensation amount set forth below is payable in equal quarterly installments, payable in arrears on
the last day of each fiscal quarter in which the service occurred.  If an Eligible Director joins the Board or a committee
of the Board at a time other than effective as of the first day of a fiscal quarter, each annual retainer set forth below will
be pro-rated based on days served in the applicable fiscal year, with the pro-rated amount paid for the first fiscal quarter
in which the Eligible Director provides the service, and regular full quarterly payments thereafter.  All annual cash fees
are vested upon payment.

1.

2.

Annual Board Service Retainer:

a.

All Eligible Directors: $40,000

Annual Committee Member Service Retainer:

a.
b.
c.
d.

Member of the Audit Committee: $7,500
Member of the Compensation Committee: $6,000
Member of the Nominating and Corporate Governance Committee: $4,500
Member of the Research and Development Committee: $6,000

3.

Annual Committee Chair Service Retainer (in addition to Committee Member Service Retainer):

a.
b.
c.
d.

Chair of the Audit Committee: $12,500
Chair of the Compensation Committee: $8,000
Chair of the Nominating and Corporate Governance Committee: $4,500
Chair of the Research and Development Committee: $8,000

4.

Annual Chair of the Board Service Retainer (in addition to Board Service Retainer): $30,000

Equity Compensation

The equity compensation set forth below will be granted under the Company’s 2015 Equity Incentive Plan (the “Plan”).
 All stock options granted under this Policy will be nonstatutory stock options, with an exercise price per share equal to
100%  of  the  Fair  Market  Value  (as  defined  in  the  Plan)  of  the  Company’s  underlying  common  stock  (the  “Common
Stock”)  on  the  date  of  grant,  and  have  a  term  of  ten  years  from  the  date  of  grant  (subject  to  earlier  termination  in
connection with a termination of service as provided in the Plan).

1.
Initial Grant: On the date of the Eligible Director’s initial election to the Board, for each Eligible Director who
is first elected to the Board following the Effective Date (or, if such date is not a market trading day, the first market
trading  day  thereafter),  the  Eligible  Director  will  be  automatically,  and  without  further  action  by  the  Board  or
Compensation Committee of the Board, granted awards (the “Initial Award”) with an aggregate grant date fair value (as
calculated for financial reporting purposes) equal to the lesser of $320,000 and the grant date fair value of 22,500

1

 
 
 
 
 
 
 
 
 
 
 
 
stock options, 70% of which shall be granted as a stock option to purchase shares of the Company’s Common Stock and
30% of which shall be granted as restricted stock units. The shares subject to each such stock option will vest in equal
monthly installments for 12 months and the restricted stock units will vest in one installment on the first anniversary of
the grant date, subject to the Eligible Director’s Continuous Service (as defined in the Plan) through such vesting dates.

2.
  Annual  Grant:  On  the  date  of  each  annual  stockholders  meeting  of  the  Company  held  on  and  after  the
Effective Date, each Eligible Director who continues to serve as a non-employee member of the Board following such
stockholders meeting will be automatically, and without further action by the Board or Compensation Committee of the
Board,  granted  awards  (the  “Annual  Award”)  with  an  aggregate  grant  date  fair  value  (as  calculated  for  financial
reporting purposes) equal to the lesser of $320,000 and the grant date fair value of 22,500 stock options, 70% of which
shall  be  granted  as  a  stock  option  to  purchase  shares  of  the  Company’s  Common  Stock  and  30%  of  which  shall  be
granted as restricted stock units; provided that in no event shall the aggregate grant date fair value of an Annual Award
together with an Initial Award in a fiscal year exceed $320,000 for any Eligible Director. The shares subject to each
such stock option will vest in equal monthly installments for 12 months and the restricted stock units will vest in one
installment on the first anniversary of the grant date, subject to the Eligible Director’s Continuous Service through such
vesting dates.

2

 
Subsidiaries of Aclaris Therapeutics, Inc.

Exhibit 21.1

Name of Subsidiary

Aclaris Therapeutics International Limited
Aclaris Life Sciences, Inc. 
Confluence Discovery Technologies, Inc.

Jurisdiction of Incorporation or
Organization

United Kingdom
Delaware
Delaware

 
 
 
 
 
 
 
 
Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-212095 and
333-256337) and Form S-8 (Nos. 333-255922, 333-238079, 333-230614, 333-223922, 333-220149, 333-216703, 333-
210379 and 333-207434) of Aclaris Therapeutics, Inc. of our report dated February 24, 2022 relating to the financial
statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.  

/s/ PricewaterhouseCoopers LLP

Philadelphia, Pennsylvania
February 24, 2022

Exhibit 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER 
PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Neal Walker, certify that:

1.    I have reviewed this annual report on Form 10-K of Aclaris Therapeutics, Inc. (the “registrant”);

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary
to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to
the period covered by this report;

3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material
respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this
report;

4.    The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures

(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act
Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)  Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our

supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known
to us by others within those entities, particularly during the period in which this report is being prepared;

(b)  Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed
under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of
financial statements for external purposes in accordance with generally accepted accounting principles;

(c)  Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions

about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such
evaluation; and

(d)  Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s
most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is
reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.    The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial

reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the
equivalent functions):

(a)  All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which

are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information;
and

(b)  Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s

internal control over financial reporting.

Date: February 24, 2022

/s/ Neal Walker
Neal Walker
President & Chief Executive Officer
(principal executive officer)

 
Exhibit 31.2

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER 
PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Frank Ruffo, certify that:

1.    I have reviewed this annual report on Form 10-K of Aclaris Therapeutics, Inc. (the “registrant”);

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary
to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to
the period covered by this report;

3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material
respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this
report;

4.    The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures

(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act
Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)  Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our

supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known
to us by others within those entities, particularly during the period in which this report is being prepared;

(b)  Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed
under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of
financial statements for external purposes in accordance with generally accepted accounting principles;

(c)  Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions

about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such
evaluation; and

(d)  Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s
most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is
reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.    The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial

reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the
equivalent functions):

(a)  All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which

are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information;
and

(b)  Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s

internal control over financial reporting.

Date: February 24, 2022

/s/ Frank Ruffo
Frank Ruffo
Chief Financial Officer
(principal financial officer and principal accounting officer)

 
CERTIFICATIONS OF
PRINCIPAL EXECUTIVE OFFICER AND PRINCIPAL FINANCIAL OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32.1

Pursuant to the requirement set forth in Rule 13a-14(b) of the Securities Exchange Act of 1934, as amended (the

“Exchange Act”), and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. §1350), Neal Walker,
President and Chief Executive Officer of Aclaris Therapeutics, Inc. (the “Company”), and Frank Ruffo, Chief Financial
Officer of the Company, each hereby certifies that, to the best of his knowledge:

1. The Company’s Annual Report on Form 10-K for the period ended December 31, 2021 (the “Annual Report”), to
which this Certification is attached as Exhibit 32.1, fully complies with the requirements of Section 13(a) or
Section 15(d) of the Exchange Act, and

2. The information contained in the Annual Report fairly presents, in all material respects, the financial condition of
the Company as of the end of the period covered by the Annual Report and results of operations of the Company
for the periods covered by the Annual Report.

In Witness Whereof, the undersigned have set their hands hereto as of the 24th day of February 2022.

/s/ Neal Walker
Neal Walker
President & Chief Executive Officer

/s/ Frank Ruffo
Frank Ruffo
Chief Financial Officer

*  This certification accompanies the Form 10-K to which it relates, is not deemed filed with the Securities and Exchange
Commission and is not to be incorporated by reference into any filing of the Company under the Securities Act of 1933,
as amended, or the Exchange Act (whether made before or after the date of the Form 10-K), irrespective of any general
incorporation language contained in such filing.