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Trevena, Inc.

trvn · NASDAQ Healthcare
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FY2022 Annual Report · Trevena, Inc.
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-K

(Mark One)
☒

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

For the fiscal year ended  December 31, 2022
or

☐

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

For the transition period from              to

Commission File Number 001-36193
Trevena, Inc.
(Exact Name of Registrant as Specified in Its Charter)

Delaware
(State or Other Jurisdiction of
Incorporation or Organization)
955 Chesterbrook Blvd. , Suite 110, Chesterbrook, PA
(Address of Principal Executive Offices)

26-1469215
(I.R.S. Employer
Identification No.)
19087
(Zip Code)

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

Registrant’s telephone number, including area code:  (610) 354-8840

Title of each class
Common Stock, par value $0.001 per share

Trading Symbol(s)
TRVN

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 Section 15(d) of the 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, or a smaller reporting company. See the 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. ☐

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction

of an error to previously issued financial statements. ☐

Indicate  by  check  mark  whether  any  of  those  error  corrections  are  restatements  that  required  a  recovery  analysis  of  incentive-based  compensation  received  by  any  of  the

registrant’s executive officers during the relevant recovery period pursuant to § 240.10D-1(b). ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes  ☐  No ☒
The aggregate market value of the voting stock held by non-affiliates of the registrant, as of June 30, 2022, the last business day of the registrant’s most recently completed second
fiscal quarter, was approximately $276.0 million. Such aggregate market value was computed by reference to the closing price of the Common Stock as reported on the Nasdaq Stock Market
LLC on June 30, 2022. For purposes of making this calculation only, the registrant has defined affiliates as including only directors and executive officers and stockholders holding greater
than 10% of the voting stock of the registrant as of June 30, 2022.

The number of shares of the registrant’s Common Stock outstanding as of March 29, 2023 was  8,975,072.

Portions  of  the  registrant’s  definitive  proxy  statement  for  its  2023  annual  meeting  of  stockholders  to  be  filed  pursuant  to  Regulation  14A  with  the  Securities  and  Exchange

Commission not later than 120 days after the registrant’s fiscal year ended December 31, 2022 are incorporated by reference into Part III of this Form 10-K.

DOCUMENTS INCORPORATED BY REFERENCE

   
Table of Contents

Cautionary Note Regarding Forward-Looking Statements

TABLE OF CONTENTS

Item 1.
Item 1A.
Item 1B.
Item 2.
Item 3.
Item 4.

Item 5.
Item 6.
Item 7.
Item 7A.
Item 8.
Item 9.
Item 9A.
Item 9B.

Item 10.
Item 11.
Item 12.
Item 13.
Item 14.

Business
Risk Factors
Unresolved Staff Comments
Properties
Legal Proceedings
Mine Safety Disclosures

PART I

PART II

Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
Selected Financial Data
Management’s Discussion and Analysis of Financial Condition and Results of Operations
Quantitative and Qualitative Disclosures About Market Risk
Financial Statements and Supplementary Data
Changes in and Disagreements With Accountants on Accounting and Financial Disclosure
Controls and Procedures
Other Information

PART III

Directors, Executive Officers and Corporate Governance
Executive Compensation
Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters
Certain Relationships and Related Transactions, and Director Independence
Principal Accountant Fees and Services

PART IV

Item 15.
SIGNATURES

Exhibits and Financial Statement Schedules

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Table of Contents

Cautionary Note Regarding Forward-Looking Statements

This Annual Report on Form 10-K (this “Annual Report”) contains forward-looking statements that involve substantial risks and

uncertainties. The forward-looking statements are contained principally in the sections entitled “Business,” “Risk Factors,” and
“Management’s Discussion and Analysis of Financial Condition and Results of Operations,” but also are contained elsewhere in this
Annual Report. In some cases, you can identify forward-looking statements by the words “may,” “might,” “will,” “could,” “would,”
“should,” “expect,” “intend,” “plan,” “objective,” “anticipate,” “believe,” “estimate,” “predict,” “project,” “potential,” “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, among other things, statements about:

●

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●

●

●

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our ability to successfully commercialize OLINVYK and any other product candidates for which we may obtain regulatory
approval;

our sales, marketing and manufacturing capabilities and strategies;

any ongoing or planned clinical trials and nonclinical studies for our product candidates;

the extent of future clinical trials potentially required by the U.S. Food and Drug Administration for our product candidates;

our ability to fund future operating expenses and capital expenditures with our current cash resources or to secure additional funding
in the future;

the timing and likelihood of obtaining and maintaining regulatory approvals for our product candidates;

our plan to develop and potentially commercialize our product candidates, if approved;

the clinical utility and potential market acceptance of our product candidates, particularly in light of existing and future competition;

the size of the markets for our product candidates;

the performance of third-parties upon which we depend, including contract manufacturing organizations, suppliers, contract
research organizations, distributors and logistics providers;

our ability to identify or acquire additional product candidates with significant commercial potential that are consistent with our
commercial objectives;

the extent to which health epidemics and other outbreaks of communicable diseases, including the COVID-19 pandemic and the
efforts to mitigate it, could disrupt our operations and/or materially and adversely affect our business and financial conditions;

our intellectual property position and our ability to obtain and maintain patent protection and defend our intellectual property rights
against third parties; and

●

our ability to satisfy all applicable Nasdaq continued listing requirements.

You should refer to the “Risk Factors” section of 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

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a result of these factors, we cannot assure you that the forward-looking statements in this Annual Report will prove to be accurate.
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. 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.

Table of Contents

ITEM 1. BUSINESS

Overview

PART I

We are a biopharmaceutical company focused on developing and commercializing novel medicines for patients affected by central

nervous system, or CNS, disorders.

Effective as of 5:01 p.m. ET on November 9, 2022 (the “Effective Time”), we filed a Certificate of Amendment to our Certificate 
of Incorporation with the Secretary of State of the State of Delaware to effect a 25-for-1 reverse stock of our common stock (the “Reverse 
Stock Split”), and our common stock began trading on a split-adjusted basis on the Nasdaq Capital Market (“Nasdaq”) when the market 
opened on November 10, 2022. As a result of the Reverse Stock Split, each 25 shares of our common stock immediately prior to the 
Effective Time were combined into one validly issued, fully paid and non-assessable share of our common stock. No fractional shares were 
issued in connection with the Reverse Stock Split, and cash paid to stockholders for potential fractional shares was insignificant.  All of the 
shares and per share amounts discussed in this Annual Report on Form 10-K have been adjusted to reflect the effect of the Reverse Stock 
Split.

Our product, OLINVYK® (oliceridine) injection, or OLINVYK, was approved by the United States Food and Drug
Administration, or FDA, in August 2020. We initiated commercial launch of OLINVYK in the first quarter of 2021. OLINVYK is an
opioid agonist for use in adults for the management of acute pain severe enough to require an intravenous opioid analgesic and for whom
alternative treatments are inadequate. OLINVYK is the first new chemical entity, or NCE, in this intravenous, or IV-, drug class in decades
and it offers a differentiated profile that addresses significant unmet needs in the acute pain management landscape. OLINVYK delivers IV
opioid efficacy with a rapid 1-3 minute median onset of action. In addition, OLINVYK requires no dosage adjustments in patients with
renal impairment, a large patient population with significant medical complications. The U.S. Drug Enforcement Administration, or DEA,
has classified oliceridine as a Schedule II controlled substance. OLINVYK is currently being studied in a post-approval clinical trial,
focused on respiratory safety, cognitive function and gastrointestinal tolerability.

Using our proprietary product platform, we also have identified and are developing the following product candidates:

● TRV045: TRV045 is our novel sphingosine-1-phosphate, or S1P, receptor modulator that may offer a new, non-opioid

approach to managing chronic pain, as well as for treating epilepsy and seizure disorders. TRV045 has also demonstrated an
anti-inflammatory effect in nonclinical studies that may have broad potential application in CNS disorders, autoimmune
disease and inflammatory disease. TRV045 targets the S1P subtype 1 receptor and nonclinical data suggests that TRV045
effectively reverses neuropathic pain and reduces seizure risk without the immune-suppressing activity, or lymphopenia,
observed with currently approved therapeutics targeting S1P receptors.

We announced Phase 1 data in November 2022, with TRV045 demonstrating a favorable tolerability profile, no reported
serious adverse events and no lymphopenia. In this study, we studied a targeted set of laboratory measures, including total
lymphocyte counts, ECGs, and ophthalmologic examinations, as these adverse events have been associated with existing S1P-
targeted compounds. No lymphopenia, cardiac, pulmonary or ophthalmologic adverse events were reported in the Phase 1 study
for TRV045.

In December 2022, we initiated a new Phase 1 proof-of-concept study for TRV045, designed to test the mechanism of action
and measure evidence of target engagement for TRV045 in approximatley 24 subjects. In March 2023, we initiated a second
Phase 1 proof-of concept study for TRV045, using transcranial magnetic stimulation, or TMS, to evaluate TRV045 for epilepsy
and seizure disorders in approximately 24 subjects. Both studies are being conducted at a site outside of the United States and
not under the Investigational New Drug Application, or IND, for TRV045, and we expect each study will complete enrollment
by mid-2023.

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● TRV250: We are developing TRV250, a G-protein biased delta-opioid receptor, or DOR, agonist as a compound with a

potential first-in-class novel mechanism for the treatment of acute migraine. TRV250 also may have utility in a range of other
CNS indications. Because TRV250 selectively targets the DOR, we believe it will not have the addiction liability of
conventional opioids or have other mu-opioid related adverse effects like respiratory depression and constipation. Data from
our first-in-human Phase 1 study of TRV250 showed a favorable tolerability profile and pharmacokinetics. We are focusing on
IND-enabling activities to develop an oral dosage formulation to support future clinical development.

● TRV734: We also have identified and have completed the initial Phase 1 studies for TRV734, an NCE targeting the same novel
mechanism of action at the mu opioid receptor, or MOR, as OLINVYK. TRV734 was designed to be orally available, and its
mechanism of action suggests it may offer valuable benefits for two distinct areas of important unmet medical need: acute and
chronic pain, and maintenance-assisted therapy for patients with opioid use disorder, or OUD. We are collaborating with the
National Institute on Drug Abuse, or NIDA, to further evaluate TRV734 for the management of OUD, and NIDA initiated a
proof-of-concept study for this indication in December 2019. In June 2021, we announced that the study, which had been
paused due to the global COVID-19 pandemic, had resumed recruiting patients. We intend to continue to focus our efforts for
TRV734 on securing a development and commercialization partner for this asset.

Our Product and Pipeline

OLINVYK ® (oliceridine) injection

OLINVYK is a G-protein biased MOR ligand that we are commercializing in hospitals or other controlled clinical settings for

acute pain in adults that is severe enough to require an intravenous opioid analgesic and for whom alternative treatments are inadequate. It
is an NCE with a novel mechanism of action.

Pain treatment options

Approximately 165 million units of IV opioids were used on average over the last three years, according to 2021 IQVIA data.
Conventional IV opioid analgesics, such as morphine, fentanyl, and hydromorphone, have been core components of pain management
protocols in the immediate postoperative period. The effectiveness of conventional opioids agonists is limited by severe dose dependent side
effects such as respiratory depression, nausea, vomiting, constipation, and sedation which can be exacerbated by accumulation of active
metabolites and by reduced renal clearance in patients with impaired kidney function. These shortcomings of conventional IV opioids create
substantial challenges for healthcare providers in certain clinical practice situations.

Injectable non-opioid analgesics are often used together with IV opioids in multimodal protocols for post-surgical pain

management. However, these drugs, such as IV non-steroidal anti-inflammatory drugs, or NSAIDs, IV

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acetaminophen, or local anesthetics such as bupivacaine, have their own potential for cardiovascular, hepatic and gastrointestinal side
effects. In addition, none of these non-opioid analgesics offers sufficient efficacy to manage severe acute pain as a monotherapy in many
patients.

We believe that OLINVYK addresses a significant unmet need for a highly effective IV opioid analgesic agent with a

differentiated safety, tolerability, and PK/PD profile. OLINVYK delivers IV opioid efficacy with a rapid 1-3 minute median onset of action
and requires no dosage adjustments in patients with renal impairment, a large patient population with significant medical complications.

OLINVYK was approved by the FDA in August 2020 for both bolus and patient-controlled analgesia, or PCA, delivery and we

initiated commercial launch of OLINVYK in the first quarter of 2021. The DEA has classified oliceridine as a Schedule II controlled
substance. Like other opioids, the label for OLINVYK contains a “boxed” warning and important safety information. Please consult
www.olinvyk.com to view the prescribing information together with important safety information and boxed warning.

OLINVYK clinical data

APOLLO 1 and APOLLO 2 Phase 3 Studies

We conducted two pivotal efficacy trials evaluating OLINVYK in patients with moderate-to-severe acute pain: the APOLLO 1

study, which evaluated pain for 48 hours following bunionectomy, and the APOLLO 2 study, which evaluated pain for 24 hours following
abdominoplasty. In both studies, all dose regimens achieved the primary endpoint of statistically greater analgesic efficacy than placebo, as
measured by responder rate. On the secondary endpoint of summary of pain intensity difference (SPID) assessed by numerical rating scale,
in the APOLLO 1 study, all dose regimens achieved statistically greater pain relief compared to placebo, while in the APOLLO 2 study, the
0.35mg and 0.5mg dose regimens achieved statistically greater pain relief compared to placebo.

The APOLLO 1 and APOLLO 2 studies were both Phase 3, multicenter, randomized, double-blind, placebo- and active-controlled
studies of OLINVYK. During the study period, a loading dose of placebo, morphine (4 mg), or OLINVYK (1.5 mg) was administered first,
and then patients used a PCA button to dose themselves as often as every 6 minutes with the same study drug: placebo, 1 mg morphine, or
0.1 mg, 0.35 mg, or 0.5 mg OLINVYK. If PCA dosing was inadequate to control pain, patients could request supplemental study
medication (2 mg morphine or 0.75 mg OLINVYK, no more than once an hour). If the study medication regimen did not adequately
manage pain, patients could opt for an NSAID rescue analgesic. Loading, demand, and supplemental doses were volume-matched for all
treatment regimens.

All endpoints were the same in both studies, except that dosing and pain assessment were for 48 hours in APOLLO 1 and 24 hours

in APOLLO 2. The primary efficacy outcome was measured using a categorical responder analysis, which defined a responder as a patient
who experienced at least a 30% reduction in their sum of pain intensity difference at the end of the treatment period without either early
discontinuation (for lack of efficacy or safety/tolerability) or use of rescue medication. The summary of pain intensity difference (SPID),
which the FDA used as the basis of approval, was a secondary endpoint in both studies and was assessed by numerical rating scale through
the randomized treatment period (48 hours in APOLLO 1 and 24 hours in APOLLO 2) and compared to placebo. Non-inferior efficacy
compared to morphine and superior efficacy compared to morphine were key secondary endpoints. Respiratory safety events were defined
as clinically relevant worsening of respiratory status, including oxygen saturation, respiratory rate, or sedation. The product of the
frequency and conditional duration of these events was reported as respiratory safety burden, a key secondary endpoint. Additional
measures of respiratory safety included incidence of oxygen saturation less than 90% and incidence of supplemental oxygen use. Measures
of gastrointestinal tolerability included use of rescue antiemetics, vomiting, and spontaneously reported nausea.

In the APOLLO 1 (bunionectomy) study, all three OLINVYK regimens (0.1 mg, 0.35 mg, and 0.5 mg on-demand doses) achieved
the primary endpoint with statistically superior responder rates compared to placebo at 48 hours (p<0.0001, adjusted for multiplicity). In the
APOLLO 2 (abdominoplasty) study, all three OLINVYK dose regimens achieved the primary endpoint with statistically superior responder
rates compared to placebo at 24 hours (adjusted

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p<0.05 for the 0.1 mg regimen; adjusted p<0.001 for the 0.35 mg and 0.5 mg regimens). In both studies, following the 1.5 mg initial
loading dose, all OLINVYK regimens demonstrated rapid onset with statistically significant efficacy within 5 to 15 minutes (p<0.05).

In both studies, OLINVYK was generally well-tolerated. The most common drug related adverse events (incidence ≥10%) were

nausea, vomiting, dizziness, headache, constipation, pruritus and hypoxia.

ATHENA Phase 3 Open Label Safety Study

We conducted a Phase 3, open label, multicenter study evaluating the safety and tolerability of OLINVYK in patients with

moderate-to-severe pain caused by surgery or medical conditions. The trial was designed to model real-world use, including the use of
multi-modal analgesia. Patients were treated with OLINVYK on an as-needed basis via IV bolus, patient-controlled analgesia, or PCA, or
both, as determined by the investigator. The primary objective was to assess the safety and tolerability of OLINVYK. Pain intensity was
measured as a secondary endpoint.

In the ATHENA study, 768 patients were treated with OLINVYK. The most common procedures were orthopedic, gynecologic,

colorectal, and general surgeries. Patients at elevated risk of opioid-related adverse events were well represented; more than 30% of patients
were 65 years or older, and approximately 50% of patients were obese, with body mass index (BMI) >30 kg/m2. Only 2% of patients
discontinued for adverse events, and 4% of patients discontinued for lack of efficacy. The most common adverse events were nausea,
constipation, and vomiting. Adverse event rates associated with OLINVYK administered by PCA and as-needed bolus dosing were similar,
supporting the potential use of OLINVYK in both administration paradigms.

OLINVYK Post-Approval Studies

Safety Differentiation Study. In May 2021, we announced an open-label, multi-site clinical trial to further characterize the impact
of OLINVYK on respiratory, gastrointestinal, or GI, and cognitive function outcomes in the postoperative setting. The study, intended to
enroll approximately 200 adults undergoing major surgery, led by clinical outcomes research experts from Cleveland Clinic and Wake
Forest Baptist Health. Respiratory safety was assessed by continuous monitoring. Additional outcomes included GI tolerability as measured
by GI complete response, and cognitive function as measured by standardized somnolence, sedation, and delirium assessment scales. We
completed enrollment in this study in December 2022, and we expect to begin reporting topline data from this study during the first half of
2023.

Cognition Study. In July 2022, we reported positive topline data from our study evaluating the impact of OLINVYK on cognitive

function and pain thresholds compared to IV morphine in 23 healthy subjects. The study was a randomized, double-blind, placebo-
controlled, dose-ranging crossover study. In the primary endpoint, OLINVYK showed a statistically significant reduction in sedation versus
IV morphine, measured by saccadic eye movement peak velocity, a sensitive laboratory measure of sedating action of medications. The
prespecified mixed-model repeated measures ANOVA highlighted a difference between treatments (main effect of treatment, P<0.0001),
driven by a reduced impact of OLINVYK versus IV morphine (P=0.0236). On several of the prespecified secondary outcome measures,
OLINVYK showed a statistically significant difference or trend compared to IV morphine, despite the relatively small sample size, across a
range of neurocognitive measures and motor performance:

o

o

o

Reaction Time. Reduced impact on saccadic eye movement reaction time (main effect, P=0.0201) (OLINVYK vs IV
morphine, P=0.0273)

Postural Stability (Motor Function). Reduced body sway, a measure of motor function (main effect, P=0.0314)
(OLINVYK vs IV morphine, P=0.0951)

Eye-Hand Coordination. Reduced performance accuracy on the adaptive tracking test, a measure of eye-hand coordination
(main effect, P=0.0011), (OLINVYK vs IV morphine, P=0.1303)

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o

o

Target Engagement (Pupillometry and Analgesia). Across the dose ranges studied, both OLINVYK and IV morphine
demonstrated expected effects on opioid-induced pupillary constriction, and analgesia in response to cold pain testing

Tolerability and Other. Other secondary outcome measures, including visual tracking and higher-order cognitive
processing did not show statistical differences between OLINVYK and IV morphine. No serious adverse events were
observed in the study, and adverse events were generally assessed as mild.

Respiratory Physiology Study. In March 2022, we announced positive topline data from a study evaluating the physiologic impact
of OLINVYK on respiratory function in high-risk subjects including elderly and obese subjects (mean age of 71.2 years). The study was a
randomized, double-blind, four-period crossover trial enrolling approximately 15 subjects 55 years old or greater, across a range of BMIs.
All subjects received two doses of OLINVYK and two doses of IV morphine to obtain a range of plasma concentrations that span the
clinically relevant range for each medication. In this study OLINVYK, at similar levels of analgesia compared to IV morphine,
demonstrated a statistically significant reduced impact on respiratory depression. The study was initiated in July 2021 and led by a
recognized expert in risk/benefit analysis, Albert Dahan, M.D., Ph.D., Professor of Anesthesiology at the Leiden University Medical Center.
The data from this study is consistent with prior data involving younger (mean age of 26.9 years) subjects showing a favorable risk/benefit
profile for OLINVYK compared to IV morphine. As with all opioids, serious, life-threatening, or fatal respiratory depression may occur in
patients treated with OLINVYK.

OLINVYK Commercialization

We initiated commercial launch of OLINVYK in the first quarter of 2021.

Approximately 45 million hospital patients in the United States were treated with an IV opioid for acute pain, with the majority of

doses in the inpatient setting. We estimate that 9 million of these patients are at increased risk of opioid-related adverse events such as
respiratory depression or post-operative nausea and vomiting. Many of these patients are elderly and have comorbid conditions, driving
surgical complexity and a potential for an increased length of stay. This growing patient population results in a significant cost burden to the
hospital system, and we have completed health economic analyses framing significant cost savings due to OLINVYK relative to
conventional IV opioids in these patients. We intend to publish these data in the peer-reviewed medical literature.

We are committed to the ethical promotion of OLINVYK. The Company’s goal is not to increase opioid usage; rather, the

Company and its representative are asking healthcare professionals to consider OLINVYK as a differentiated alternative versus
conventional IV opioids when an IV opioid is necessary to manage the patient’s acute pain.

Manufacturing

We have completed process development of the active pharmaceutical ingredient, or API, in OLINVYK and have manufactured
multiple commercial-scale batches under current good manufacturing practices, or cGMP. We also have completed drug product process
development and have manufactured multiple commercial-scale batches of drug product under cGMP conditions.

For OLINVYK, we have established commercial supply agreements for the manufacture of the API and finished (compounded,

filled and packaged) drug product. Sterling Pharma Solutions (formerly Alcami Corporation), or Sterling, is contracted to supply all of our
commercial API from its Germantown, WI manufacturing facility. We have existing commercial supply agreements with two separate
companies for the supply of drug product. Alcami Corporation, or Alcami, is contracted to supply commercial drug product from its
facilities in Charleston, SC and Wilmington, NC and was included as part of our approved new drug application, or NDA, submission.
Pfizer CentreOne (formerly Hospira) is also contracted to supply commercial drug product in the future, but was not included in our NDA
submission.

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In October 2020, we announced that the DEA has classified OLINVYK as a Schedule II controlled substance. All third-party

facilities throughout the supply chain have the appropriate licenses from the DEA for handling Schedule II controlled substances according
to each of their respective contractual roles (manufacturing, testing, distribution, etc.).

Competition

OLINVYK is approved for use in adults for the management of acute pain severe enough to require an intravenous opioid
analgesic and for whom alternative treatments are not adequate. We expect OLINVYK to compete with generic IV opioid analgesics, such
as morphine, hydromorphone and fentanyl. IV opioid analgesics are limited by well-known adverse side effects, such as respiratory
depression, nausea, vomiting, constipation, and post-operative ileus, which can be exacerbated by the way these molecules are metabolized
or cleared. OLINVYK will also compete against, or be used in combination with, OFIRMEV® (IV acetaminophen), marketed by
Mallinckrodt plc; EXPAREL® (liposomal bupivacaine), marketed by Pacira Pharmaceuticals, Inc.; ZYNRELEF® (bupivacaine and
meloxicam) marketed by Heron Therapeutics, Inc; CALDOLOR® (IV ibuprofen), marketed by Cumberland Pharmaceuticals; DSUVIA™
(sublingual sufentanil) marketed by AcelRx Pharmaceuticals, Inc.; and ANJESO™ (IV meloxicam), marketed by Baudax Bio, Inc.;
XARACOLL™ (bupivacaine HCL) implant, marketed by Innocoll Holdings plc; and POSIMIR® (bupivacaine solution) marketed by
DURECT Corporation. Together with generic versions of IV NSAIDs such as ketorolac and acetaminophen, and generic versions of local
anesthetics such as bupivacaine, these non-opioid analgesics are currently used in combination with opioids in the multimodal management
of moderate-to-severe acute pain.

We also are aware of a number of products in mid- and late-stage clinical development that are aimed at improving the treatment

of moderate-to-severe acute pain and may compete with OLINVYK. AcelRx Pharmaceuticals, Inc. is developing ZALVISO™, a non-
invasive PCA device containing sublingual sufentanil, which has received approval in the European Union. Avenue Therapeutics, Inc. is
developing an IV version of generic opioid tramadol for moderate-to-severe acute pain.

Intellectual property

We wholly own the OLINVYK patent portfolio, including five issued U.S. patents (U.S. Patent Nos. 8,835,488; 9,309,234;
9,642,842; 9,849,119 and 11,077,098), which claim, among other things, OLINVYK, compositions comprising OLINVYK, and methods of
using OLINVYK. The issued patents are expected to expire no earlier than 2032, subject to any disclaimers or extensions, and any U.S.
patent to issue in the future is also expected to expire no earlier than 2032, subject to any disclaimers or extensions. We also have issued
patents in Australia, China, Eurasia, Europe, Hong Kong, Macau, Israel, Japan, India, South Korea, and New Zealand, which claim, among
other things, OLINVYK, compositions comprising OLINVYK and methods of making or using OLINVYK. We have patent applications
pending in the United States, Europe, Japan, Israel, Brazil, and Canada. The issued patents and patents that could issue in the future from
these allowed or pending applications outside the United States are expected to expire no earlier than 2032, subject to any disclaimers or
extensions. Following the FDA approval of OLINVYK, the FDA has added four issued U.S. patents to the Orange Book of Approved Drug
Products with Therapeutic Equivalence Evaluations (U.S. Patent Nos. 8,835,488, 9,309,234, 9,642,842, and 11,077,098). In addition, the
Company has filed Patent Term Extension applications with the United States Patent and Trademark Office that could extend the life of one
of the patents until 2034. Finally, the FDA has designated OLINVYK as a new chemical entity, or NCE, in the Orange Book and it will
therefore receive the exclusivity and protections afforded to NCE’s.

TRV045 (S1P Modulators)

TRV045 is our novel sphingosine-1-phosphate, or S1P, receptor modulator that may offer a new, non-opioid approach to
managing chronic pain, as well as for treating epilepsy and seizure disorders. TRV045 has also demonstrated an anti-inflammatory effect in
nonclinical studies that may have broad potential application in CNS disorders, autoimmune disease and inflammatory disease. TRV045
targets the S1P subtype 1 receptor and nonclinical data suggests that TRV045 effectively reverses neuropathic pain and reduces seizure risk
without the immune-suppressing activity, or lymphopenia, observed with currently approved therapeutics targeting S1P receptors.

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In November 2022, we announced Phase 1 data, with TRV045 demonstrating a favorable tolerability profile, no reported serious

adverse events and no lymphopenia. The study had a three-part design, examining the PK profile, safety and tolerability of orally
administered TRV045 in healthy volunteers.

Part 1 – Single Ascending Dose: This study phase investigated the PK profile, safety and tolerability of single ascending doses of
TRV045 or placebo. Doses were administered to 53 healthy subjects in 6 separate study cohorts, with TRV045 dosed at 5, 15, 30,
90, and 200mg.

Part 2 – Food Effect: This study phase investigated the PK profile, safety and tolerability of TRV045 administered with a high-fat
meal in 3 study cohorts. The effect of food on the absorption and exposure to TRV045 was studied in 27 subjects at doses of 30, 200
and 300mg.

Part 3 – Multiple Dosing: This study phase investigated the PK profile, safety and tolerability among a single cohort of subjects
receiving multiple doses of TRV045 or placebo. A single cohort of 9 subjects were given 250mg of TRV045 daily for seven days.

Topline results from the Phase 1 study are summarized below:

Well Tolerated. TRV045 was well tolerated, with no serious adverse events. Among non-serious spontaneous adverse events, the
only adverse event assessed by study investigators as probably or definitely related to drug was headache in 4 subjects across all
three parts of the study.

Attractive PK. The PK profile of TRV045 showed a half-life consistent with anticipated once-daily dosing.

Suitable Target Exposure. Based on the PK exposure, the calculated free plasma concentrations of TRV045 exceeded the targeted
efficacy range based on nonclinical measures of in vitro and in vivo pharmacodynamics.

Differentiated From Currently Marketed S1P Drugs. A targeted set of laboratory measures were studied to characterize the
tolerability of TRV045, including total lymphocyte counts, ECGs, and ophthalmologic examinations, as these adverse events have
been associated with existing S1P-targeted compounds. No lymphopenia, cardiac, pulmonary or ophthalmologic adverse events
were reported in the Phase 1 study for TRV045.

We also conducted an additional nonclinical study that showed TRV045 has a potential anti-inflammatory effect on astrocytes.

This suggests TRV045 may play a role as a disease-modifying treatment in epilepsy. In this study, primary astrocytes derived from mouse
brains were isolated and studied in cell culture. Astrocytes are highly prevalent glial cells that are well recognized mediators of
inflammation in the CNS. Concentrations of seventeen different cytokines and chemokines produced by astrocytes were studied. The results
demonstrated that TRV045 modulated these cytokines and chemokines, with a statistically significant dampening of the inflammatory
response of these cells. We believe these data are potentially significant because inflammatory signals from astrocytes and other brain cells
appear to play an important role in development of seizures and the emergence of epilepsy. As a result, we believe TRV045 may have the
potential to exert disease-modifying effects in the treatment of epilepsy in humans.

Target Engagement Proof-of-Concept Study

In December 2022, we initiated a new Phase 1 proof-of-concept study, the Target Engagement Study, for TRV045. This
randomized, double-blind, placebo-controlled, four-way cross-over study is designed to test the mechanism of action and measure evidence
of target engagement for TRV045. The study uses a validated set of analgesic tests to evaluate potential central and peripheral nervous
system effects and to provide insight into the potential anti-inflammatory actions of TRV045. We expect to enroll twenty-four healthy
volunteers, and each subject will receive three different single doses of TRV045 (50mg, 150mg and 300mg) and placebo on four separate
visits across the study duration. Doses for this study were selected based on the PK exposure determined in the recently completed Phase 1
single and multiple dose ranging study, and bracket the expected targeted efficacy exposure range.

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TMS Proof-of-Concept Study.

In March 2023, we initiated a second Phase 1 proof-of-concept study, the TMS Study, for TRV045. The study will use transcranial 
magnetic stimulation, or TMS, to evaluate how TRV045 affects the ability of the brain cells to conduct electrical stimulation.  The effects of 
TMS will be explored using both electromyography (EMG) and electroencephalography (EEG) to measure the effect of TRV045 on brain 
function. The study is a randomized, double-blind, placebo-controlled, two-way cross-over, multiple dose study. Approximately twenty-
four healthy male volunteers will be enrolled and each subject will receive one of two treatment sequences in random order: TRV045 250 
mg followed by placebo; or placebo followed by TRV045 250 mg, each treatment sequence given once daily for four consecutive days. 

Subjects in both the Target Engagement Study and TMS Study are being enrolled at sites outside of the United States and the

studies are not being conducted under the IND for TRV045. We expect both studies to complete enrollment by mid-2023.

Epilepsy, one of the most common neurological diseases in the world, is a chronic disorder characterized by recurrent seizures.
Nearly 50 million people suffer from epilepsy worldwide, including 3 million adults and 470,000 children in the United States. 150,000
new cases of epilepsy are reported in the United States each year. According to the CDC, 56% of adults living with diagnosed epilepsy
continue to have seizures.

Diabetic neuropathy is a common complication of both type 1 and type 2 diabetes, with pain in the extremities being one of the

main symptoms. Other symptoms may include numbness, tingling, allodynia and hyperalgesia. Diabetic neuropathic pain, or DNP, is
usually characterized as moderate to severe in nature and can substantially affect patients’ quality of life as well as their social and
psychological well-being. Approximately one quarter of people with diabetes are affected by DNP, totaling over 5 million people in the
United States. During their lifetime, approximately 50% to 70% of diabetic patients may experience symptoms of DNP.

Intellectual Property

We wholly own the S1P patent portfolio, including one pending provisional application, one pending PCT application, and
pending applications in the United States, Australia, Brazil, Canada, China, Europe, Israel, India, Japan, South Korea, Hong Kong, and New
Zealand. The applications are directed to, amongst other things, compounds that modulate the S1P receptor and methods of using these
compounds, including methods of treating pain, epilepsy, mood disorders, anxiety disorders, and trauma-and stressor-related disorders.
Patents that could issue in the future from the national phase applications would be expected to expire no earlier than 2038, subject to any
disclaimers or extensions. We are aware of a certain U.S. patent owned by a third party with claims that are broadly directed to a method of
treating chemotherapy induced neuropathic pain with an S1P receptor agonist or an S1P receptor antagonist. Although we do not believe
that this is a valid patent, this patent could be construed to cover our S1P compounds.

TRV250

TRV250 is a G-protein biased ligand targeting the DOR agonist as a compound with potential first-in-class, novel mechanism for

the treatment of acute migraine. TRV250 also may have utility in a range of other CNS indications. We have completed a first-in-human
Phase 1 trial of TRV250, which showed a favorable tolerability profile and pharmacokinetics. We have initiated IND-enabling activities to
evaluate the potential oral dosage formulation to support future clinical development.

Clinical development

We believe our nonclinical data support targeting the DOR for the treatment of CNS disorders. Prior approaches to modulate this

receptor have been limited by a significant risk of seizure associated with this target. Nonclinical studies in beta-arrestin knockout mice
suggest that beta-arrestin plays a role in seizures. TRV250 is a potent delta receptor ligand that selectively activates G-protein coupling
without engaging beta arrestin, leading to strong

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efficacy in animal models of migraine and other CNS disorders with reduced seizure liability. In the future, we may decide to seek a
collaborator for TRV250 with CNS development and commercialization expertise.

In June 2018, we announced the completion of our first-in-human Phase 1 study of TRV250. Data from this healthy volunteer

study showed a favorable tolerability profile and pharmacokinetics. The Phase 1 study was a two part, randomized, single-blind, placebo-
controlled, single ascending dose study to evaluate the safety, tolerability, and pharmacokinetics of subcutaneous and oral TRV250 in
healthy adults. Part A assessed single subcutaneous doses in 38 subjects. Four cohorts of nine or ten subjects were randomized to receive a
single dose of up to 30mg TRV250 or placebo. Part B consisted of a single cohort of nine subjects administered either TRV250 as a single 6
mg oral dose (either as a capsule in the fed state or a capsule in the fasted state, n=7) or placebo (as a capsule in the fed or fasted state, n=2).

Key findings of the study included:

● Dose-related increases in plasma concentrations following subcutaneous administration of doses up to 30 mg, with rapid

absorption in the first hour and duration of exposure appropriate for treating acute migraine;

●

Subcutaneous doses at and above 9 mg achieved plasma concentrations that were active in nonclinical models of migraine;

● Oral bioavailability similar to existing migraine medications, supporting continued development of TRV250 in oral and/or

subcutaneous formulations;

● No observed drug-associated electroencephalography changes, consistent with nonclinical studies in which TRV250 avoided

the seizure liability associated with previous CNS-active delta receptor agonists; and

● No clinically significant changes in vital signs, laboratory values, or ECG parameters, and no severe or serious adverse events

reported.

Based on the profile of TRV250, we believe it has the potential to be a first-in-class treatment option for treatment of acute

migraine. According to Decision Resources, a healthcare consulting company, the acute migraine treatment market encompassed
approximately 12 million drug-treated patients in 2017 in the United States, representing approximately $1.5 billion of sales. We estimate
that approximately 20% to 30% of these patients either do not respond to, or cannot tolerate, the market-leading triptan drug class, and an
additional 30% would benefit from improved efficacy compared to these drugs.

Competition

Triptans, a generic family of 5-HT1B agonists, are the current standard treatment for treatment of acute migraine in the United

States, and account for the majority of the sales for this indication. Other less commonly prescribed acute treatments include ergot alkaloids,
and analgesics such as opioids and NSAIDs. Various branded reformulations of triptan molecules have been launched, and we are aware of
others in development. Eli Lilly acquired Lasmiditan (REYVOW®), a selective 5-HT1F agonist, from Colucid Pharmaceuticals, Inc., and
received FDA approval in October 2019. BioHaven launched Rimegepant (NURTEC) in 2020 and they have a second calcitonin gene-
related peptide (CGRP) receptor antagonist candidate (zavegenpant) in development for acute treatment of migraine. In 2019, Allergan
(now part of Abbvie) launched Ubrelvy™ (ubrogepant) an oral, CGRP antagonist, for treatment of acute migraine.

Patients suffering from frequent or chronic migraine headaches may also use preventative agents to decrease the frequency and
severity of migraines. Botox® is the historical gold standard migraine prophylactic, but certain anticonvulsants, such as topiramate, and
beta-blockers, such as propranolol, have also been used. In 2017, Trokendi XR (Supernus Pharmaceuticals) received approval from the US
FDA for migraine headache prophylaxis. However, a new class of anti-CGRP antibody products are being marketed for preventative
treatment of migraine: In 2018, Amgen and

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Novartis launched Aimovig® (erenumab), Eli Lilly and Company launched Emgality® (galcanezumab), and Teva Pharmaceutical
Industries Limited launched Ajovy® (fremanezumab). In 2020, Alder BioPharmaceuticals Inc. (now part of Lundbeck) launched VyeptiTM
(eptinezumab-jjmr) and in 2021 Abbvie announced approval of Qulipta, an oral CGRP receptor antagonist for the preventive treatment of
acute migraine; Qulipta is also being studied for prophylaxis of chronic migraine. Biohaven is also conducting clinical trials of zavegepant
for the prevention of migraine.

Intellectual property

We wholly own the TRV250 patent portfolio, including two issued patents (U.S. Patent No. 10,246,436 and 11,465,980) in the
United States directed to compounds that modulate the delta receptor, claiming, among other things, TRV250, compositions comprising
TRV250, and methods of using TRV250. The patent is expected to expire no earlier than 2036, subject to any disclaimers or extensions. We
also have issued patents in Australia, Europe, Israel, Japan, and Hong Kong, which claim, among other things, TRV250, compositions
comprising TRV250, and methods of using TRV250. We also have patent applications pending in the United States, Australia, Brazil,
Canada, China, Europe, Hong Kong, Israel, India, Japan, South Korea, and New Zealand. Any patents that may issue from these
applications are expected to expire no earlier than 2036, subject to any disclaimers or extensions. We also have two pending PCT patent
applications that are, among other things, directed to the synthesis of TRV250, and crystalline forms of TRV250, compositions comprising
crystalline forms of TRV250, and methods of using crystalline forms of TRV250. Any patents that may issue based on the provisional
application and PCT application would be expected to expire no earlier than 2042 or 2041, respectively, subject to any disclaimers or
extensions.

TRV734

TRV734 is a small molecule G-protein biased ligand of the MOR that we discovered and have developed through Phase 1 as a

first-line, orally administered compound for the treatment of moderate-to-severe acute and chronic pain. Like OLINVYK, TRV734 utilizes
a well-established mechanism of pain relief by targeting the MOR. Also like OLINVYK, it does so with enhanced selectivity for the G-
protein signaling pathway, which in nonclinical studies was linked to analgesia, as opposed to the beta-arrestin signaling pathway, which in
nonclinical studies was associated with the development of side effects. Subject to successful nonclinical and clinical development and
regulatory approval, we believe TRV734 may have an improved efficacy and side effect profile as compared to current commonly
prescribed oral analgesics, such as oxycodone. In addition, TRV734’s mechanism of action suggests it may offer valuable benefits for
another unmet medical need: the management of opioid dependence associated with OUD. We intend to continue to focus our efforts for
TRV734 on securing a development and commercialization partner for this asset.

Clinical development

We have completed three Phase 1 trials of TRV734 in healthy volunteers, including a single ascending dose study, a multiple

ascending dose study, and a pharmacokinetic study. In these studies, a total of 127 healthy volunteers were exposed to TRV734 at doses
between 2 mg and 250 mg. We incorporated measures to assess the potential for analgesic efficacy and tolerability advantages in these
studies. Based on these data and data for OLINVYK, we believe that TRV734 may offer an improved efficacy profile as compared to
current opioid therapies or equivalent efficacy with an improved gastrointestinal tolerability and respiratory safety profile.

In collaboration with NIDA, we intend to pursue a clinical study to determine whether TRV734 decreases symptoms of opioid

withdrawal in patients with OUD. We expect to initiate a randomized, double-blind, four-period, placebo- and positive-controlled study that
will enroll approximately 50 opioid-dependent patients undergoing stable methadone maintenance therapy. The primary objective of the
study is to assess the ability of TRV734 to reduce acute opioid craving symptoms, as measured by the Subjective Opioid Withdrawal Scale.
The study will also evaluate whether TRV734 suppresses withdrawal signs using the Clinical Opioid Withdrawal Scale. Secondary
outcomes will include assessments of safety and measures of neurocognitive changes. In June 2021, we announced that the study, which
had been paused since March 2020 due to the global COVID-19 pandemic, had resumed recruiting patients.

NIDA has previously generated nonclinical data in a rodent model of maintenance treatment showing that chronic administration

of TRV734 reduced oxycodone-seeking in rats. TRV734 may provide an alternative to existing

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therapies such as methadone and buprenorphine. Successful therapy with methadone is limited by side effects that include sedation and
constipation, while use of buprenorphine is limited by lower maximal efficacy and challenges with initial induction of therapy. It is
hypothesized that a MOR-biased agonist may provide high efficacy for preventing symptoms of opioid withdrawal while offering a more
benign side-effect profile.

Intellectual property

We wholly own the TRV734 patent portfolio, including two issued U.S. patents (U.S. Patent No, 9,044,469 and 10,588,898)
claiming TRV734, other compounds and/or methods of making or using the same. These patents are expected to expire no earlier than 2032,
subject to any disclaimers or extensions. We also have issued patents in Australia, China, Europe, Eurasia, Hong Kong, Macau, Israel,
Japan, India, South Korea, and New Zealand claiming TRV734, other compounds and/or methods of making or using the same. We also
have patent applications pending in the United States, Europe, Brazil, and Canada. The issued patents and patents that could issue in the
future from these allowed or pending applications outside the United States are expected to expire no earlier than 2032, subject to any
disclaimers or extensions.

Additionally, the TRV734 patent portfolio also includes one issued U.S. patent (U.S. Patent No. 10,588,898), which claims,
among other things, methods of using TRV734 or compositions comprising TRV734 for treating drug abuse. We also have issued patents in
Israel, Japan, and South Korea, which claim, among other things, methods of using TRV734 or compositions comprising TRV734 for
treating drug abuse. The issued patents (U.S. Patent No. 10,588,898) is expected to expire no earlier than 2032. We have patent applications
pending in Brazil and Canada. The issued patents and patents that could issue in the future from these allowed or pending applications
outside the United States are expected to expire no earlier than 2032, subject to any disclaimers or extensions.

Intellectual Property

We strive to protect the proprietary technologies that we believe are important to our business, including seeking and maintaining
patent protection intended to cover the composition of matter of our product candidates, their methods of use, related technology and other
inventions that are important to our business. We also rely on trade secrets and careful monitoring of our proprietary information to protect
aspects of our business that are not amenable to, or that we do not consider appropriate for, patent protection.

Our success will depend significantly on our ability to obtain and maintain patent and other proprietary protection for

commercially important technology, inventions and know-how related to our business, defend and enforce our patents, maintain our
licenses to use intellectual property owned by third parties, preserve the confidentiality of our trade secrets and operate without infringing
valid and enforceable patents and other proprietary rights of third parties. We also rely on know-how, and continuing technological
innovation to develop, strengthen and maintain our proprietary position in the field of modulating G-protein coupled receptors with biased
ligands.

One or more third parties may hold intellectual property, including patent rights, that is important or necessary to the development

of our products. It may be necessary for us to use the patented or proprietary technology of third parties to commercialize our products, in
which case we would be required to obtain a license from these third parties on commercially reasonable terms, or our business could be
harmed, possibly materially. If we were not able to obtain a license or were not able to obtain a license on commercially reasonable terms,
our business could be harmed, possibly materially.

We plan to continue to expand our intellectual property estate by filing patent applications directed to dosage forms and methods

of treatment for our product candidates. We anticipate seeking patent protection in the United States and internationally for compositions of
matter covering the compounds, the chemistries and processes for manufacturing these compounds and the use of these compounds in a
variety of therapies.

The patent positions of biopharmaceutical companies like us are generally uncertain and involve complex legal, scientific and

factual questions. In addition, the coverage claimed in a patent application can be significantly reduced before the patent is issued, and the
patent’s scope can be modified after issuance. Consequently, we do not know

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whether any of our product candidates will be protectable or remain protected by enforceable patents. We cannot predict whether the patent
applications we are currently pursuing will issue as patents in any particular jurisdiction or whether the claims of any issued patents will
provide sufficient proprietary protection from competitors. Any patents that we hold may be challenged, circumvented or invalidated by
third parties.

Because many patent applications in the United States and certain other jurisdictions are maintained in secrecy for 18 months, and

since publication of discoveries in the scientific or patent literature often lags behind actual discoveries, we cannot be certain that we will
be able to obtain patent protection for the inventions disclosed and/or claimed in our pending patent applications. Moreover, we may have to
participate in interference proceedings declared by the United States Patent and Trademark Office or a foreign patent office to determine
priority of invention or in post grant challenge proceedings, such as oppositions, inter partes review, post grant review or a derivation
proceeding, that challenge our entitlement to an invention or the patentability of one or more claims in our patent applications or issued
patents. Such proceedings could result in substantial cost, even if the eventual outcome is favorable to us.

The term of individual patents depends upon the legal term of the patents in the countries in which they are obtained. In most

countries in which we file, the patent term is 20 years from the earliest date of filing a PCT application or a non-provisional patent
application, subject to any disclaimers or extensions. The term of a patent in the United States can be adjusted and extended due to the
failure of the United States Patent and Trademark Office following certain statutory and regulation deadlines for issuing a patent.

In the United States, the patent term of a patent that covers an FDA approved drug also may be eligible for patent term extension,

which permits patent term restoration as compensation for a portion of the patent term lost during clinical development and the FDA
regulatory review process. The Hatch Waxman Act permits a patent term extension of up to five years beyond the expiration of the patent.
The length of the patent term extension is related to the length of time the drug is under clinical development and regulatory review. Patent
term 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 Europe and other non-United States jurisdictions
to extend the term of a patent that covers an approved drug. In the future, if and when our additional pharmaceutical products receive FDA
approval, we expect to apply for patent term extensions on patents covering those products much in the same manner as we did for
OLINVYK. Although, we intend to seek patent term extensions to any of our issued patents in any jurisdiction where these are available
there is no guarantee that the applicable authorities, including the United States Patent and Trademark Office, will agree with our
assessment of whether such extensions should be granted, and even if granted, the length of such extensions.

We also rely on trade secret protection for our confidential and proprietary information. Although we take steps to protect our

proprietary information and trade secrets, including through contractual means with our employees and consultants, third parties may
independently develop substantially equivalent proprietary information and techniques or otherwise gain access to our trade secrets or
disclose our technology. Thus, we may not be able to meaningfully protect our trade secrets. It is our policy to require our employees,
consultants, outside scientific collaborators, sponsored researchers and other advisors to execute confidentiality agreements upon the
commencement of employment or consulting relationships with us. These agreements provide that all confidential information concerning
our business or financial affairs developed or made known to the individual during the course of the individual’s relationship with us is to
be kept confidential and not disclosed to third parties except in specific circumstances. In the case of employees, the agreements provide
that all inventions conceived by the individual, and which are related to our current or planned business or research and development or
made during normal working hours, on our premises or using our equipment or proprietary information, are our exclusive property.

Manufacturing

We do not own or operate any manufacturing facilities. We currently rely, and expect to continue to rely, on third parties for the

manufacture of our product candidates for nonclinical and clinical testing, as well as for commercial manufacture. See “—OLINVYK
(oliceridine) injection—Manufacturing.”

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The use of contract development and manufacturing organizations, or CDMOs, and reliance on collaboration partners is cost-
efficient and has eliminated the need for our direct investment in manufacturing facilities and additional staff early in development. We
believe available CDMOs are capable of providing sufficient quantities of our commercial product and product candidates to meet
anticipated full-scale commercial demands.

Commercialization

We launched the customer-facing elements of our commercial team in the first quarter of 2021 with Syneos Health, a contract sales

organization, to assist in the sourcing, training and deployment of a range of customer-facing roles. In 2022, we transitioned to an in-house
U.S. commercial team. Outside the United States, we expect to enter into distribution and other commercial arrangements with third parties
for any of our product candidates that obtain marketing approval.

Competition

The biotechnology and pharmaceutical industries are characterized by rapidly advancing technologies, intense competition and a
strong emphasis on proprietary products. While we believe that our technology, knowledge, experience and scientific resources provide us
with competitive advantages, we face potential competition from many different sources, including major pharmaceutical, specialty
pharmaceutical and biotechnology companies, academic institutions and governmental agencies and public and private research institutions.
OLINVYK and any further product candidates that we successfully develop and commercialize will compete with existing therapies and
new therapies that may become available in the future. Products in development by other companies may provide efficacy, safety,
convenience and other benefits that are not provided by currently marketed therapies. As a result, they may provide significant competition
for OLINVYK and any of our additional product candidates for which we obtain marketing approval.

Some 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, nonclinical testing, conducting clinical trials, obtaining
regulatory approvals and marketing approved products than we do. Mergers and acquisitions in the pharmaceutical, biotechnology and
diagnostic industries may result in even more resources being concentrated among a smaller number of our competitors. Smaller or early
stage companies also may 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 necessary
for, our programs.

The key competitive factors affecting the success of all of our therapeutic product candidates, if approved, are likely to be their

efficacy, safety, convenience, price, the level of generic competition and the availability of reimbursement from government and other
third-party payors.

Our commercial opportunity could be reduced or eliminated if our competitors develop and commercialize products that are safer,

more effective, have fewer or less severe side effects, are more convenient or are less expensive than any products that we may develop.
Our competitors also may obtain FDA or other regulatory approval for their products more rapidly than we may obtain approval for ours,
which could result in our competitors establishing a strong market position before we are able to enter the market. In addition, our ability to
compete may be affected in many cases by insurers or other third-party payors seeking to encourage the use of generic products. Generic
products that broadly address these indications are currently on the market for the indications that we are pursuing, and additional products
are expected to become available on a generic basis over the coming years. If our product candidates achieve marketing approval, we expect
that they will be priced at a significant premium over competitive generic products.

Government Regulation and Product Approval

Government authorities in the United States, at the federal, state and local level, and in other countries extensively regulate,

among other things, the research, development, testing, manufacture, packaging, storage,

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recordkeeping, labeling, advertising, promotion, distribution, marketing, import and export of pharmaceutical products such as those we are
developing. The processes for obtaining regulatory approvals in the United States and in foreign countries, along with subsequent
compliance with applicable statutes and regulations, require the expenditure of substantial time and financial resources.

FDA Regulation

In the United States, the FDA regulates drugs under the Federal Food, Drug, and Cosmetic Act, or FDCA, and its implementing
regulations. The process of obtaining regulatory approvals and the subsequent compliance with applicable federal, state, local and foreign
statutes and regulations requires the expenditure of substantial time and financial resources. Failure to comply with the applicable United
States requirements at any time during the product development process, approval process or after approval, may subject an applicant to a
variety of administrative or judicial sanctions, such as the FDA’s refusal to approve pending NDAs, withdrawal of an approval, imposition
of a clinical hold, issuance of warning or untitled letters, product recalls, product seizures, total or partial suspension of production or
distribution, injunctions, fines, refusals of government contracts, restitution, disgorgement or civil or criminal penalties.

The process required by the FDA before a drug may be marketed in the United States generally involves the following:

completion of nonclinical laboratory tests, animal studies and formulation studies in compliance with the FDA’s good laboratory
practice, or GLP, regulations;

submission to the FDA of an IND, which must become effective before human clinical trials may begin;

approval by an independent institutional review board, or IRB, covering each clinical site before each trial may be initiated;

performance of human clinical trials, including adequate and well-controlled clinical trials, in accordance with good clinical
practices, or GCP, to establish the safety and efficacy of the proposed drug product for each indication;

submission of an NDA to the FDA;

completion of an FDA advisory committee review, if applicable;

satisfactory completion of an FDA inspection of the manufacturing facility or facilities at which the product is produced to assess
compliance with cGMP, and to assure that the facilities, methods and controls are adequate to preserve the drug’s identity, strength,
quality and purity, as well as satisfactory completion of an FDA inspection of selected clinical sites to determine GCP compliance;

FDA review and approval of an NDA; and

in certain cases, DEA review and scheduling activities prior to launch.

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Nonclinical Studies

Nonclinical studies include laboratory evaluation of drug substance chemistry, toxicity and drug product formulation, as well as

animal studies to assess potential safety and efficacy. An IND sponsor must submit the results of the nonclinical tests, together with
manufacturing information, analytical data and any available clinical data or literature, among other things, to the FDA as part of an IND.
Manufacture of drug substance, drug product and the labeling and distribution of clinical supplies must all comply with cGMP standards.
Some nonclinical testing may continue even after the IND is submitted. An IND automatically becomes effective 30 days after receipt by
the FDA,

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unless before that time the FDA raises concerns or questions related to the data submitted in the IND or the proposed clinical trials and
places the trial on a clinical hold. In such a case, the IND sponsor and the FDA must resolve any outstanding concerns before the clinical
trial can begin. As a result, submission of an IND may not result in the FDA allowing clinical trials to commence.

Clinical Trials

Clinical trials involve the administration of the investigational new drug to human subjects under the supervision of qualified

investigators in accordance with GCP requirements, which include the requirement that all research subjects provide their informed consent
in writing for their participation in any clinical trial. Clinical trials are conducted under protocols detailing, among other things, the
objectives of the trial, the parameters to be used in monitoring safety and the effectiveness criteria to be evaluated. A protocol for each
clinical trial and any subsequent protocol amendments must be submitted to the FDA as part of the IND. In addition, an IRB covering each
institution participating in the clinical trial must review and approve the plan for any clinical trial before it commences at that institution,
and the IRB must continue to oversee the clinical trial while it is being conducted. Information about certain clinical trials must be
submitted within specific timeframes to the National Institutes of Health, or NIH, for public dissemination on their ClinicalTrials.gov
website.

Human clinical trials are typically conducted in three sequential phases, which may overlap or be combined. In Phase 1, the drug

is initially introduced into healthy human subjects or patients with the target disease or condition and tested for safety, dosage tolerance,
absorption, metabolism, distribution, excretion and, if possible, to gain an initial indication of its effectiveness. In Phase 2, the drug
typically is administered to a limited patient population 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. In Phase 3, the drug is
administered to an expanded patient population, generally at geographically dispersed clinical trial sites, in well-controlled clinical trials to
generate enough data to statistically evaluate the efficacy and safety of the product for approval, to establish the overall risk-benefit profile
of the product and to provide adequate information for the labeling of the product.

Progress reports detailing the results of the clinical trials must be submitted at least annually to the FDA and more frequently if

serious adverse events occur. Phase 1, Phase 2 and Phase 3 clinical trials may not be completed successfully within any specified period, or
at all. Furthermore, the FDA or the sponsor may suspend or terminate a clinical trial at any time on various grounds, including a finding that
the research subjects 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.

Marketing Approval

Assuming successful completion of the required clinical testing, the results of the nonclinical and clinical studies, together with

detailed information relating to the product’s chemistry, manufacture, controls and proposed labeling, among other things, are submitted to
the FDA as part of an NDA requesting approval to market the product for one or more indications. In most cases, the submission of an
NDA is subject to a substantial application user fee. Under the Prescription Drug User Fee Act, or PDUFA, guidelines that are currently in
effect, the FDA has agreed to certain performance goals regarding the timing of its review of a marketing application.

In addition, under the Pediatric Research Equity Act an NDA or supplement to an NDA must contain data that are adequate to

assess the safety and effectiveness of the drug for the claimed indications in all relevant pediatric subpopulations, and to support dosing and
administration for each pediatric subpopulation for which the product is safe and effective. The FDA may, on its own initiative or at the
request of the applicant, grant deferrals for submission of some or all pediatric data until after approval of the product for use in adults, or
full or partial waivers from the pediatric data requirements.

The FDA also may require a risk evaluation and mitigation strategy, or REMS, to mitigate any identified or suspected serious risks

and ensure safe use of the drug. The REMS plan could include medication guides, physician

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communication plans, assessment plans and elements to assure safe use, such as restricted distribution methods, patient registries or other
risk minimization tools. We expect that any oral mu-opioid agonist products may be subject to a REMS, since currently marketed oral
opioid products are subject to this requirement. OLINVYK is an IV opioid and is not subject to a REMS.

The FDA conducts a preliminary review of all NDAs within the first 60 days after submission, before accepting them for filing, to

determine whether they are sufficiently complete to permit substantive review. The FDA may request additional information rather than
accept an NDA for filing. In this event, the application must be resubmitted with the additional information. The resubmitted application is
also subject to review before the FDA accepts it for filing. Once the submission is accepted for filing, the FDA begins an in-depth
substantive review. The FDA reviews an NDA to determine, among other things, whether the drug is safe and effective and whether the
facility in which it is manufactured, processed, packaged or held meets standards designed to assure the product’s continued safety, quality
and purity.

The FDA typically refers a question regarding a novel drug to an external advisory committee. An advisory committee is a panel

of independent experts, including clinicians and other scientific experts, that reviews, evaluates and provides a recommendation as to
whether the application should be approved and under what conditions. The FDA is not bound by the recommendations of an advisory
committee, but it considers such recommendations carefully when making decisions.

Before approving an NDA, the FDA typically will inspect the facility or facilities where the product is manufactured, referred to as

a Pre-Approval Inspection, or PAI. The FDA will not approve an application unless it determines that the manufacturing processes and
facilities are in compliance with cGMP requirements and adequate to assure consistent production of the product within required
specifications. Additionally, before approving an NDA, the FDA will typically inspect one or more clinical trial sites to assure compliance
with GCPs.

The testing and approval process for an NDA requires substantial time, effort and financial resources, and each may take
several years to complete. Data obtained from nonclinical and clinical testing are not always conclusive and may be susceptible to varying
interpretations, which could delay, limit or prevent regulatory approval. The FDA may not grant approval of an NDA on a timely basis, or
at all.

After evaluating the NDA and all related information, including the advisory committee recommendation, if any, and inspection
reports regarding the manufacturing facilities and clinical trial sites, the FDA may issue an approval letter, or, in some cases, a complete
response letter. A complete response letter generally contains a statement of specific conditions that must be met in order to secure final
approval of the NDA and may require additional clinical or nonclinical testing in order for the FDA to reconsider the application. Even with
submission of this additional information, the FDA ultimately may decide that the application does not satisfy the regulatory criteria for
approval. If and when those conditions have been met to the FDA’s satisfaction, the FDA will typically issue an approval letter. The FDA
reviews NDA resubmissions in two or six months depending on the type of information included. An approval letter authorizes commercial
distribution and marketing of the drug with specific prescribing information for specific indications. For some products, an additional step
of DEA review and scheduling is required.

Even if the FDA approves a product, it may limit the approved indications for use of the product, require that contraindications,

warnings or precautions be included in the product labeling, including a boxed warning, require that post-approval studies, including
Phase 4 clinical trials, be conducted to further assess a drug’s safety after approval, require testing and surveillance programs to monitor the
product after commercialization or impose other conditions, including distribution restrictions or other risk management mechanisms under
a REMS which can materially affect the potential market and profitability of the product. The FDA may prevent or limit further marketing
of a product based on the results of post-marketing studies or surveillance programs. 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 testing requirements
and FDA review and approval.

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Expedited Review and Approval

The FDA has various programs, including Fast Track, Breakthrough Therapy designation, priority review, and accelerated
approval, that are intended to expedite or simplify the process for reviewing drugs, and/or provide for the approval of a drug on the basis of
a surrogate endpoint. Even if a drug qualifies for one or more of these programs, the FDA may later decide that the drug no longer meets
the conditions for qualification or that the time period for FDA review or approval will be shortened. Generally, drugs that are eligible for
these programs are those for serious or life-threatening conditions, those with the potential to address unmet medical needs and those that
offer meaningful benefits over existing treatments. For example, Fast Track is a process designed to facilitate the development and expedite
the review of drugs to treat serious or life-threatening diseases or conditions and fill unmet medical needs. Priority review is designed to
give drugs that offer major advances in treatment or provide a treatment where no adequate therapy exists an initial review within
six months as compared to a standard review time of ten months.

Although Fast Track and priority review do not affect the standards for approval, the FDA will attempt to facilitate early and

frequent meetings with a sponsor of a Fast Track designated drug and expedite review of the application for a drug designated for priority
review. Accelerated approval, which is described in Subpart H of 21 Code of Federal Regulations, or 21 CFR Part 314, provides for an
earlier approval for a new drug that is intended to treat a serious or life-threatening disease or condition and that fills an unmet medical need
based on a surrogate endpoint. A surrogate endpoint is a clinical measurement or other biomarker used as an indirect or substitute
measurement to predict a clinically meaningful outcome. As a condition of approval, the FDA may require that a sponsor of a product
candidate receiving accelerated approval perform post-marketing clinical trials.

A Breakthrough Therapy designation is intended to expedite the development and FDA review of drugs for serious or life-
threatening conditions or where preliminary clinical evidence indicates that the drug may demonstrate substantial improvement on a
clinically significant endpoint(s) over available therapies. A request for Breakthrough Therapy designation should be submitted
concurrently with, or as an amendment to an IND.

Post-Approval Requirements

Drugs manufactured or distributed pursuant to FDA approvals are subject to pervasive and continuing regulation by the FDA,

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. After approval, most changes to the approved product, such as adding
new indications or other labeling claims are subject to prior FDA review and approval. There also are continuing, annual program user fee
requirements, as well as new application fees for supplemental applications with clinical data.

The FDA may impose a number of post-approval requirements as a condition of approval of an NDA. For example, the FDA may

require post-marketing testing, including clinical trials in pediatric patients or other Phase 4 trials, and surveillance to further assess and
monitor the product’s safety and effectiveness after commercialization.

In addition, drug manufacturers and other entities involved in the manufacture and distribution of approved drugs are required to
register their establishments with the FDA and state agencies, and are subject to periodic unannounced inspections by the FDA and these
state agencies for compliance with cGMP requirements. 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 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.

Once an approval is granted, the FDA may withdraw the approval if compliance with regulatory requirements and standards is not

maintained or if problems occur after the product reaches the market.

Later discovery of previously unknown problems with a product, including adverse events of unanticipated severity or frequency,

or with manufacturing processes, or failure to comply with regulatory requirements, may result in

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mandatory revisions to the approved labeling to add new safety information; imposition of post-marketing studies or clinical trials to assess
new safety risks; or imposition of distribution or other restrictions under a REMS program. Other potential consequences include, among
other things:

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restrictions on the marketing or manufacturing of the product, complete withdrawal of the product from the market or product
recalls;

fines, warning letters or holds on post-approval clinical trials;

refusal of the FDA to approve pending NDAs or supplements to approved NDAs, or suspension or revocation of product license
approvals;

product seizure or detention, or refusal to permit the import or export of products; or

injunctions or the imposition of civil or criminal penalties.

The FDA strictly regulates marketing, labeling, advertising and promotion of products that are placed on the market. Although

physicians, in the practice of medicine, may prescribe approved drugs for unapproved indications, pharmaceutical companies generally are
required to promote their drug products 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 a product’s 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.

In addition, the distribution of prescription pharmaceutical products is subject to the Prescription Drug Marketing Act, or PDMA,

which regulates the distribution of drugs and drug samples at the federal level, and sets minimum standards for the registration and
regulation of drug distributors by the states. Both the PDMA and state laws limit the distribution of prescription pharmaceutical product
samples and impose requirements to ensure accountability in distribution.

DEA Regulation

OLINVYK has been classified as a Schedule II controlled substance under the Federal Controlled Substances Act of 1970, or

CSA. The CSA establishes registration, security, recordkeeping, reporting, storage, distribution and other requirements administered by the
DEA. The DEA is concerned with the control of handlers of controlled substances, and with the equipment and raw materials used in their
manufacture and packaging, in order to prevent loss and diversion into illicit channels of commerce.

The DEA regulates controlled substances as Schedule I, II, III, IV or V substances. Schedule I substances by definition have no

established medicinal use and may not be marketed or sold in the United States. A pharmaceutical product may be listed as Schedule II, III,
IV or V, with Schedule II substances considered to present the highest risk of abuse and Schedule V substances the lowest relative risk of
abuse among such substances. Because it is a Schedule II controlled substance, the manufacture, packaging, shipment, storage, sale and use
of OLINVYK is subject to a high degree of regulation.

Annual registration is required for any facility that manufactures, packages, distributes, dispenses, imports, exports, or conducts

research with any controlled substance. The registration is specific to the particular location, activity and controlled substance schedule.

The DEA typically inspects a facility to review its security measures prior to issuing a registration. Security requirements vary by
controlled substance schedule, with the most stringent requirements applying to Schedule I and Schedule II substances. Required security
measures include background checks on employees and physical control of inventory through measures such as cages, surveillance cameras
and inventory reconciliations. Records must be

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maintained for the handling of all controlled substances, and periodic reports made to the DEA. Reports must also be made for thefts or
losses of any controlled substance, and to obtain authorization to destroy any controlled substance. In addition, special authorization and
notification requirements apply to imports and exports.

In addition, a DEA quota system controls and limits the availability and production of controlled substances in Schedule I or II.
Distributions of any Schedule I or II controlled substance must also be accompanied by special order forms, with copies provided to the
DEA. The DEA may adjust aggregate production quotas and individual production and procurement quotas during the year and across
years, and the DEA has substantial discretion in whether or not to make such adjustments. Our, or our contract manufacturers’, quota of an
active ingredient may not be sufficient to meet commercial demand or complete clinical trials. Any delay or refusal by the DEA in
establishing our, or our contract manufacturers’, quota for controlled substances could delay or stop our clinical trials or product launches,
or impact the ability to fill orders of approved products such as OLINVYK.

To meet its responsibilities, the DEA conducts periodic inspections of registered establishments that handle controlled substances.
Individual states also regulate controlled substances, and we and our contract manufacturers will be subject to state regulation with respect
to the distribution of controlled substance products.

Federal and State Fraud and Abuse and Data Privacy and Security Laws and Regulations

In addition to FDA restrictions on marketing of pharmaceutical products, federal and state fraud and abuse laws restrict business

practices in the biopharmaceutical industry. These laws include anti-kickback and false claims laws and regulations, as well as transparency
and data privacy and security laws and regulations.

The federal Anti-Kickback Statute prohibits, among other things, knowingly and willfully offering, paying, soliciting or receiving
remuneration to induce or in return for purchasing, leasing, ordering or arranging for or recommending the purchase, lease or order of any
item or service reimbursable under Medicare, Medicaid or other federal healthcare programs. The term “remuneration” has been broadly
interpreted to include anything of value. The federal Anti-Kickback Statute has been interpreted to apply to arrangements between
pharmaceutical manufacturers on one hand and prescribers, purchasers, formulary managers, and others on the other hand. Although there
are a number of statutory exceptions and regulatory safe harbors protecting some common activities from prosecution, the exceptions and
safe harbors are drawn narrowly and require strict compliance to offer protection. 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. 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 healthcare covered business, the statute has been violated.

The reach of the federal Anti-Kickback Statute was also broadened by the Patient Protection and Affordable Care Act of 2010, as

amended by the Health Care and Education Reconciliation Act of 2010, or collectively PPACA, which, among other things, amended the
intent requirement of the federal Anti-Kickback Statute such that a person or entity no longer needs to have actual knowledge of this statute
or specific intent to violate it in order to have committed a violation. In addition, PPACA provides that 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 federal False Claims Act or the civil monetary penalties statute, which imposes penalties against any person who 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. PPACA also created new federal requirements for reporting, by
applicable manufacturers of covered drugs of payments and other transfers of value to, as well as ownership interests held by, physicians
and teaching hospitals.

The federal criminal and civil false claims laws, including the federal False Claims Act, and civil monetary penalties laws and civil
monetary penalties laws, including the federal False Claims Act, prohibit any person from knowingly presenting, or causing to be presented,
a false claim for payment to the federal government or knowingly making, using or causing to be made or used a false record or statement
material to a false or fraudulent claim to the federal government. A claim includes “any request or demand” for money or property
presented to the U.S. government. Pharmaceutical and other healthcare companies have been prosecuted under these laws for allegedly
providing free

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product to customers with the expectation that the customers would bill federal programs for the product. Companies have been prosecuted
for causing false claims to be submitted because of the companies’ marketing of products for unapproved, and thus non-reimbursable, uses.

The federal Health Insurance Portability and Accountability Act of 1996, or HIPAA, created additional federal civil and criminal
statutes that prohibit knowingly and willfully executing a scheme to defraud any healthcare benefit program, including private third-party
payors 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 healthcare benefits, items or services. Also, many states have similar
fraud and abuse statutes or regulations that apply to items and services reimbursed under Medicaid and other state programs, or, in several
states, apply regardless of the payor.

The federal Physician Payments Sunshine Act, also known as Open Payments program, requires manufacturers of drugs, devices,
biologics and medical supplies for which payment is available under Medicare, Medicaid or the Children’s Health Insurance Program, with
specific exceptions, to report annually to the Centers for Medicare & Medicaid Services, or CMS, information related to “payments or other
transfers of value” made to physicians, as defined by such law, and teaching hospitals and applicable manufacturers and applicable group
purchasing organizations to report annually to CMS ownership and investment interests held by physicians and their immediate family
members. Beginning in 2022, applicable manufacturers are also required to report such information regarding payments and transfers of
value provided, as well as ownership and investment interests held, during the previous year to physician assistants, nurse practitioners,
clinical nurse specialists, certified nurse anesthetists and certified nurse-midwives.

In addition, we may 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 respective implementing regulations, including the final omnibus rule published on January 25, 2013, imposed specified requirements
relating to the privacy, security and transmission of individually identifiable health information on "covered entities" including certain
healthcare providers, health plans, and healthcare clearinghouses. Among other things, HITECH makes HIPAA’s privacy and security
standards directly applicable to “business associates,” defined as independent contractors or agents of covered entities that create, receive,
maintain or transmit protected health information in connection with providing a service for or on behalf of a covered entity. HITECH also
increased the civil and criminal penalties that may be imposed against covered entities, business associates and possibly other persons, 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 attorney’s fees and costs associated with pursuing federal civil actions. In addition, state laws govern the privacy and security
of health information in certain circumstances, many of which differ from each other in significant ways and may not have the same effect,
thus complicating compliance efforts.

Because of the breadth of these laws and the narrowness of available statutory exceptions and regulatory safe harbors, it is possible

that some of our business activities could be subject to challenge under one or more of such laws. If our operations are found to be in
violation of any of the federal or state laws described above or any other governmental regulations that apply to us, we may be subject to
penalties, including significant criminal, civil, and administrative penalties, damages, fines, disgorgement, imprisonment, exclusion from
participation in government healthcare programs, integrity oversight and reporting obligations to resolve allegations of non-compliance
with these laws, and the curtailment or restructuring of our operations, any of which could adversely affect our ability to operate our
business and our results of operations. To the extent that any of our products are sold in a foreign country, we may be subject to similar
foreign laws and regulations, which may include, for instance, applicable post-marketing requirements, including safety surveillance, anti-
fraud and abuse laws, implementation of corporate compliance programs and reporting of payments or transfers of value to healthcare
professionals, and data privacy requirements such as the General Data Protection Regulation (EU) 2016/679.

The Foreign Corrupt Practices Act

The Foreign Corrupt Practices Act, or FCPA, prohibits any U.S. individual or business from paying, offering, or authorizing

payment or offering of anything of value, directly or indirectly, to any foreign official, political party or

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candidate for the purpose of influencing any act or decision of the foreign entity in order to assist the individual or business in obtaining or
retaining business. The FCPA also obligates companies whose securities are listed in the United States to comply with accounting
provisions requiring such companies to maintain books and records that accurately and fairly reflect all transactions of the corporation,
including international subsidiaries, and to devise and maintain an adequate system of internal accounting controls for international
operations. In Europe, and throughout the world, other countries have enacted anti-bribery laws and/or regulations similar to the FCPA.
Violations of any of these antibribery laws, or allegations of such violations, could have a negative impact on our business, results of
operations and reputation.

Coverage and Reimbursement

The commercial success of our product candidates and our ability to commercialize any approved product candidates successfully

will depend in part on the extent to which governmental payor programs at the federal and state levels, including Medicare and Medicaid,
private health insurers and other third-party payors provide coverage for and establish adequate reimbursement levels for our product
candidates. However, decisions regarding the extent of coverage and amount of reimbursement to be provided are made on a payor-by-
payor basis. Government health administration authorities, private health insurers and other organizations generally decide which drugs they
will pay for and establish reimbursement levels for healthcare. In particular, in the United States, private health insurers and other third-
party payors often provide reimbursement for products and services based on the level at which the government provides reimbursement
through the Medicare or Medicaid programs for such treatments. In the United States, the European Union and other potentially significant
markets for our product candidates, government authorities and third-party payors are increasingly attempting to limit or regulate the price
of medical products and services, particularly for new and innovative products and therapies, which often has resulted in average selling
prices lower than they would otherwise be. Further, the increased emphasis on managed healthcare in the United States and on country and
regional pricing and reimbursement controls in the European Union will put additional pressure on product pricing, reimbursement and
usage, which may adversely affect our future product sales and results of operations. These pressures can arise from rules and practices of
managed care groups, judicial decisions and governmental laws and regulations related to Medicare, Medicaid and healthcare reform,
pharmaceutical coverage and reimbursement policies and pricing in general.

Third-party payors are increasingly imposing additional requirements and restrictions on coverage and limiting reimbursement

levels for medical products. For example, in the United States, federal and state governments reimburse covered prescription drugs at
varying rates generally below average wholesale price. These restrictions and limitations influence the purchase of healthcare services and
products. Third-party payors may limit coverage to specific drug products on an approved list, or formulary, which might not include all of
the FDA-approved drug products for a particular indication. Third-party payors are increasingly challenging the price and examining the
medical necessity and cost-effectiveness of medical products and services, in addition to their safety and efficacy. We may need to conduct
expensive pharmacoeconomic studies in order to demonstrate the medical necessity and cost-effectiveness of our products, in addition to
the costs required to obtain FDA approvals. Our product candidates may not be considered medically necessary or cost-effective. A payor’s
decision to provide coverage for a drug product does not imply that an adequate reimbursement rate will be approved. Adequate third-party
reimbursement may not be available to enable us to maintain price levels sufficient to realize an appropriate return on our investment in
drug development. In addition, for hospital products, a private health insurer or Medicare will typically reimburse a fixed fee for certain
procedures, including in-patient surgeries. Pharmaceutical products such as OLINVYK that may be used in connection with the surgery
generally will not be separately reimbursed and, therefore, a hospital would have to assess the cost of OLINVYK relative to its benefits.
Current or future efforts to limit the level of reimbursement for in-patient hospital procedures could cause a hospital to decide not to use
OLINVYK.

The Inflation Reduction Act of 2022 contains substantial drug pricing reforms, including the establishment of a drug price

negotiation program within the U.S. Department of Health and Human Services that would require manufacturers to charge a negotiated
“maximum fair price” for certain selected drugs or pay an excise tax for noncompliance, the establishment of rebate payment requirements
on manufacturers of certain drugs payable under Medicare Parts B and D to penalize price increases that outpace inflation, and requires
manufacturers to provide discounts on Part D drugs. Substantial penalties can be assessed for noncompliance with the drug pricing
provisions in

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the Inflation Reduction Act of 2022. The Inflation Reduction Act of 2022 could have the effect of reducing the prices we can charge and
reimbursement we receive for our product and our product candidates, if approved, thereby reducing our profitability, and could have a
material adverse effect on our financial condition, results of operations and growth prospects. The effect of Inflation Reduction Act of 2022
on our business and the pharmaceutical industry in general is not yet known. Future efforts to reform healthcare or reduce costs under
government insurance programs may result in lower reimbursement for our products and product candidates or exclusion of our products
and product candidates from coverage. The cost containment measures that healthcare payors and providers are instituting and any
healthcare reform could significantly reduce our revenue from the sale of any approved product candidates. We cannot provide any
assurances that we will be able to obtain and maintain third-party coverage or adequate reimbursement for our product candidates in whole
or in part.

Impact of Healthcare Reform on Coverage, Reimbursement and Pricing

The United States and many foreign jurisdictions have enacted or proposed legislative and regulatory changes affecting the

healthcare system that could restrict or regulate post-approval activities relating to our product and product candidates, if approved, and
affect our ability to successfully commercialize our product and product candidates, if approved, including implementing cost-containment
programs to limit the growth of government-paid healthcare costs, including price controls, restrictions on reimbursement and requirements
for substitution of generic products for branded prescription drugs.

The Affordable Care Act was intended to broaden access to health insurance, reduce or constrain the growth of healthcare

spending, enhance remedies against fraud and abuse, add transparency requirements for the healthcare and health insurance industries,
impose new taxes and fees on the health industry and impose additional health policy reforms.

Among the provisions of the Affordable Care Act that have been implemented since enactment and are of importance to the

successful commercialization of a pharmaceutical product are the following:

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an annual, nondeductible fee on any entity that manufactures, or imports specified branded prescription drugs or biologic agents;

an increase in the statutory minimum rebates a manufacturer must pay under the Medicaid Drug Rebate Program;

expansion of healthcare fraud and abuse laws, including the U.S. civil False Claims Act and the Anti-Kickback Statute, new
government investigative powers, and enhanced penalties for noncompliance;

a Medicare Part D coverage gap discount program, in which manufacturers must agree to offer 50% point-of-sale discounts off
negotiated prices of applicable brand drugs to eligible beneficiaries during their coverage gap period, as a condition for a
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;

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;

expansion of eligibility criteria for Medicaid programs;

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

requirements to report certain financial arrangements with physicians and teaching hospitals;

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a requirement to annually report certain information regarding drug samples that manufacturers and distributors provide to
physicians; and

a new 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 significant ongoing judicial, administrative, executive and legislative efforts to modify or eliminate the
Affordable Care Act. For example, the Tax Act enacted on December 22, 2017, repealed the shared responsibility payment for individuals
who fail to maintain minimum essential coverage under section 5000A of the Internal Revenue Code, commonly referred to as the
individual mandate. Other legislative changes have been proposed and adopted since passage of the Affordable Care Act. The Budget
Control Act of 2011, among other things, created the Joint Select Committee on Deficit Reduction to recommend proposals in spending
reductions to Congress. The Joint Select Committee did not achieve its targeted deficit reduction of an amount greater than $1.2 trillion for
the fiscal years 2012 through 2021, triggering the legislation’s automatic reductions to several government programs. These reductions
included aggregate reductions to Medicare payments to healthcare providers of up to 2.0% per fiscal year, which went into effect in April
2013. Subsequent litigation extended the 2% reduction, on average, to 2030 unless additional Congressional action is taken. The
Coronavirus Aid, Relief and Economic Security Act, or the CARES Act, which was designed to provide financial support and resources to
individuals and businesses affected by the COVID-19 pandemic, suspended the 2% Medicare sequester from May 1, 2020 to March 31,
2022. As of July 2, 2022, the 2% sequester resumed. The sequester will remain in place through 2030. On January 2, 2013, the American
Taxpayer Relief Act was signed into law, which, among other things, reduced Medicare payments to several types of providers, including
hospitals, imaging centers and cancer treatment centers, and increased the statute of limitations period for the government to recover
overpayments to providers from three to five years.

The Affordable Care Act has also been subject to challenges in the courts. On December 14, 2018, a Texas U.S. District Court

Judge ruled that the Affordable Care Act is unconstitutional in its entirety because the “individual mandate” was repealed by Congress. On
December 18, 2019, the Fifth Circuit U.S. Court of Appeals held that the individual mandate is unconstitutional and remanded the case to
the Texas District Court to reconsider its earlier invalidation of the entire Affordable Care Act. On June 17, 2021, the Supreme Court ruled
that the plaintiffs lacked standing to challenge the law as they had not alleged personal injury traceable to the allegedly unlawful conduct.
As a result, the Supreme Court did not rule on the constitutionality of the ACA or any of its provisions. Further changes to and under the
Affordable Care Act remain possible but it is unknown what form any such changes or any law proposed to replace or revise the Affordable
Care Act would take, and how or whether it may affect our business in the future. We expect that changes to the Affordable Care Act, the
Medicare and Medicaid programs, changes allowing the federal government to directly negotiate drug prices and changes stemming from
other healthcare reform measures, especially with regard to healthcare access, financing or other legislation in individual states, could have
a material adverse effect on the healthcare industry.

We expect that the Affordable Care Act, as well as other healthcare reform measures that have and may be adopted in the future,
may result in more rigorous coverage criteria and in additional downward pressure on the price that we receive for our product and product
candidates, if approved, and could seriously harm our future revenues. Any reduction in reimbursement from Medicare, Medicaid, or other
government programs may result in a similar reduction in payments from private payers. The implementation of cost containment measures
or other healthcare reforms may prevent us from being able to generate revenue, attain profitability or successfully commercialize our
product and product candidates, if approved.

Exclusivity and Approval of Competing Products

Hatch-Waxman Patent Exclusivity

In seeking approval for a drug through an NDA, applicants are required to list with the FDA each patent with claims that 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

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by potential competitors in support of approval of an abbreviated new drug application, or ANDA, or 505(b)(2) NDA. Generally, an
ANDA provides for marketing of a drug product that has the same active ingredients in the same strengths, dosage form and route of
administration as the listed drug and has been shown to be bioequivalent through in vitro and/or in vivo testing or otherwise to the listed
drug. ANDA applicants are not required to conduct or submit results of nonclinical or clinical tests to prove the safety or effectiveness of
their drug product, other than the requirement for bioequivalence testing. 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. 505(b)
(2) NDAs generally are submitted for changes to a previously approved drug product, such as a new dosage, dosage form, or indication.

The ANDA or 505(b)(2) NDA applicant is required to certify to the FDA concerning any patents listed for the approved product in

the FDA’s Orange Book, except for patents covering methods of use for which the ANDA applicant is not seeking approval. Specifically,
the applicant must certify with respect to each patent that:

●

●

●

●

the required patent information has not been filed;

the listed patent has expired;

the listed patent has not expired, but will expire on a particular date and approval is sought after patent expiration; or

the listed patent is invalid, unenforceable or will not be infringed by the new product.

Generally, the ANDA or 505(b)(2) NDA cannot be approved until all listed patents have expired, except when the ANDA or

505(b)(2) NDA applicant challenges a patent of a listed drug. A certification that the proposed product will not infringe the already
approved product’s listed patents or that such patents are invalid or unenforceable is called a Paragraph IV certification. If the applicant
does not challenge the listed patents or indicate that it is not seeking approval of a patented method of use, the ANDA or 505(b)(2) NDA
application will not be approved until all the listed patents claiming the referenced product have expired.

If the ANDA or 505(b)(2) NDA 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 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 after the receipt of notice of the Paragraph IV certification automatically prevents the
FDA from approving the ANDA or 505(b)(2) NDA until the earlier of 30 months, expiration of the patent, settlement of the lawsuit or a
decision in the infringement case that is favorable to the ANDA applicant.

Hatch-Waxman Non-Patent Exclusivity

Market and data exclusivity provisions under the FDCA also can delay the submission or the approval of certain applications for
competing products. The FDCA provides a five-year period of non-patent data exclusivity within the United States to the first applicant to
gain approval of an NDA for a new chemical entity. A drug is a new chemical entity 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 activity of the drug substance. OLINVYK has been
designated as a new chemical entity in the FDA’s Orange Book. During the exclusivity period, the FDA may not accept for review an
ANDA or a 505(b)(2) NDA submitted by another company that contains the previously approved active moiety. However, an ANDA or
505(b)(2) NDA may be submitted after four years if it contains a certification of patent invalidity or noninfringement. The FDCA also
provides three years of marketing exclusivity for an NDA, 505(b)(2) NDA, or supplement to an existing NDA or 505(b)(2) 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 or supplement. Three-year exclusivity may be awarded for changes to a previously approved
drug product, such as new indications, dosages, strengths or dosage forms of an existing drug. This three-year exclusivity covers only the
conditions of use associated with the new clinical investigations and, as a general matter, does not prohibit the FDA from approving

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ANDAs or 505(b)(2) NDAs for generic versions of the original, unmodified drug product. Five-year and three-year exclusivity will not
delay the submission or approval of a full NDA; however, an applicant submitting a full NDA would be required to conduct or obtain a
right of reference to all of the nonclinical studies and adequate and well-controlled clinical trials necessary to demonstrate safety and
effectiveness.

Pediatric Exclusivity

Pediatric exclusivity is another type of non-patent marketing exclusivity in the United States and, if granted, provides for the

attachment of an additional six months of marketing protection to the term of any existing regulatory exclusivity, including the non-patent
exclusivity periods described above. This six-month exclusivity may be granted if an NDA sponsor submits pediatric data that fairly
respond to a written request from the FDA for such data. The data do not need to show the product to be effective in the pediatric
population studied; rather, if the clinical trial is deemed to fairly respond to the FDA’s request, the additional protection is granted. If reports
of requested pediatric studies are submitted to and accepted by the FDA within the statutory time limits, whatever statutory or regulatory
periods of exclusivity or Orange Book listed patent protection cover the drug are extended by six months. This is not a patent term
extension, but it effectively extends the regulatory period during which the FDA cannot approve an ANDA or 505(b)(2) application owing
to regulatory exclusivity or listed patents. When any of our products is approved, we anticipate seeking pediatric exclusivity when it is
appropriate.

Foreign Regulation

To market any product outside of the United States, we would need to comply with numerous and varying regulatory requirements

of other countries regarding safety and efficacy and governing, among other things, clinical trials, marketing authorization, commercial
sales and distribution of our products. For example, in the European Union, we must obtain authorization of a clinical trial application, or
CTA, in each member state in which we intend to conduct a clinical trial. Whether or not we obtain FDA approval for a product, we would
need to obtain the necessary approvals by the comparable regulatory authorities of foreign countries before we can commence clinical trials
or marketing of the product in those countries. The approval process varies from country to country and can involve additional product
testing and additional administrative review periods. The time required to obtain approval in other countries might differ from and be
longer than that required to obtain FDA approval. Regulatory approval in one country does not ensure regulatory approval in another, but a
failure or delay in obtaining regulatory approval in one country may negatively impact the regulatory process in others.

Employees and Human Capital Resources

Investing in, developing, and maintaining human capital is critical to our success. As of December 31, 2022, we had 35
employees, all of whom were located in the United States. We emphasize a number of measures and objectives in managing our human
capital assets, including, among others, employee safety and wellness, talent acquisition and retention, employee engagement,
development, and training, diversity and inclusion, and compensation and pay equity. 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 and cash incentive plans are to attract, retain
and reward personnel through the granting of stock-based and cash-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.

The success of our business is fundamentally connected to the well-being of our employees. Accordingly, we are committed to

their health, safety and wellness. We provide our employees and their families with access to a variety of innovative, flexible and
convenient health and wellness programs, including benefits that provide protection and security so they can have peace of mind
concerning events that may require time away from work or that impact their financial well-being; that support their physical and mental
health by providing tools and resources to help them improve or maintain their health status and encourage engagement in healthy
behaviors; and that offer choice where possible so

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they can customize their benefits to meet their needs and the needs of their families. In response to the COVID-19 pandemic, we
implemented significant changes that we determined were in the best interest of our employees, as well as the community in which we
operate, and which comply with government regulations, including working from home where appropriate.

Corporate Compliance Program

Our business is subject to extensive regulations. Management has designed and implemented a comprehensive corporate
compliance program as part of our commitment to comply fully with applicable criminal, civil and administrative laws, rules and
regulations and to maintain the high standards of conduct we expect from all of our employees. We continuously review this compliance
program and work to enhance it as and when appropriate. The primary purposes of the compliance program include, among other things:

● Assessing and identifying risks affecting our Company and its products;

●

●

●

●

training and educating employees and certain outside professionals who provide services to our Company to promote awareness of
legal and regulatory requirements, a culture of compliance, and the necessity of complying with all applicable laws, rules,
regulations and requirements;

developing and implementing compliance policies and procedures and creating controls to support compliance with applicable laws,
rules, regulations and requirements and our policies and procedures;

auditing and monitoring the activities of our operations and business support functions to identify and mitigate risks and potential
instances of noncompliance in a timely manner; and

ensuring that we promptly take steps to resolve any instances of noncompliance and address areas of weakness or potential
noncompliance.

We have a Code of Conduct and Business Ethics that guides and binds each of our employees, officers and directors which is

available on the “Governance Documents ” page of our website, www.trevena.com, under the “Governance” tab. We use an anonymous
compliance hotline for employees and outside parties to report potential instances of noncompliance. Our Chief Compliance Officer
administers the compliance program and chairs the Company’s Compliance Committee. The Chief Compliance Officer reports directly to
our Chief Executive Officer and meets regularly with the Chair of the Audit Committee.

Corporate Information

We were incorporated under the laws of the State of Delaware in November 2007. Our principal executive offices are located at

955 Chesterbrook Boulevard, Suite 110, Chesterbrook, PA 19087. Our telephone number is (610) 354-8840 and our internet address is
www.trevena.com.

Available Information

Our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and other filings with the

United States Securities and Exchange Commission, or the SEC, and all amendments to these filings, are available, free of charge, on our
website at www.trevena.com as soon as reasonably practicable following our filing of any of these reports with the SEC. You can also
obtain copies free of charge by contacting our Investor Relations department at our office address listed above. The SEC maintains an
Internet site that contains reports, proxy, and information statements, and other information regarding issuers that file electronically with
the SEC at www.sec.gov. The information posted on or accessible through these websites is not incorporated into this filing.

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Name
Carrie L. Bourdow
Mark A Demitrack, M.D.
Robert T. Yoder
Barry Shin
Patricia Drake

Carrie L. Bourdow

INFORMATION ABOUT OUR EXECUTIVE OFFICERS

     Age     

Position

60   President, Chief Executive Officer and Director
65
Senior Vice President and Chief Medical Officer
57   Senior Vice President and Chief Business Officer
Senior Vice President and Chief Financial Officer
51
Senior Vice President and Chief Commercial Officer
57

Ms. Bourdow has served as the President and Chief Executive Officer of our Company and member of our Board of Directors
since October 2018. Prior to her role as Chief Executive Officer, she joined our company as our Chief Commercial Officer in May 2015
and was appointed Executive Vice President and Chief Operating Officer in January 2018. From May 2013 to May 2015, she was Vice
President of Marketing at Cubist Pharmaceuticals, Inc. Prior to joining Cubist in 2013, Ms. Bourdow served for more than 20 years at
Merck & Co., Inc., where she held positions of increasing responsibility across multiple therapeutic areas. Since June 2017 she has served
as a member of the Board of Directors of Nabriva Therapeutics plc, a biopharmaceutical company, and she has served as a member of the
Board of Directors of Sesen Bio, a biopharmaceutical company, from February 2020 until March 2023. Ms. Bourdow earned her B.A. from
Hendrix College and her M.B.A. from Southern Illinois University.

Mark A. Demitrack, M.D.

Dr. Demitrack, a board-certified psychiatrist, joined our company as Senior Vice President and Chief Medical Officer in May
2018. From May 2017 to May 2018, he served as Vice President of Clinical Strategy at Roivant Sciences, Ltd. From July 2003 to May
2017, he served as Vice President and Chief Medical Officer of Neuronetics, Inc., where he led the clinical development of the NeuroStar
TMS Therapy System. Prior to this, Dr. Demitrack was Assistant Vice President for Global Medical Affairs in Neuroscience at Wyeth
Pharmaceuticals, Inc. where he was responsible for post-marketing clinical development of the Effexor XR brand. Dr. Demitrack also
served as Medical Director of the New Antidepressant Team at Lilly Research Laboratories where he led the registration clinical
development and the NDA submission program for the antidepressant, duloxetine (Cymbalta). Prior to his industry career, Dr. Demitrack
was a faculty member of the Department of Psychiatry at the University of Michigan Medical School, where he directed the Michigan
Eating Disorders Program and received federal grant funding in clinical research studying the neuroendocrine pathophysiology of eating
disorders and the idiopathic conditions chronic fatigue syndrome and fibromyalgia. Dr. Demitrack received a B.A. in Physics from
Columbia University, and his M.D. from the Robert Wood Johnson Medical School in New Jersey. He completed his psychiatry residency
training at the University of California-San Francisco and completed a research fellowship in clinical neuroendocrinology at the National
Institute of Mental Health. Dr. Demitrack is a Life Fellow of the American Psychiatric Association and a Member of the American College
of Neuropsychopharmacology.

Robert T. Yoder

Mr. Yoder was appointed Senior Vice President and Chief Business Officer and Head of Commercial Operations in November

2021. Prior to this role, he served as Senior Vice President and Chief Commercial Officer since December 2018. He joined our company as
Vice President of Commercial Operations and Sales in June 2018. Prior to this, he served as Senior Vice President and Head of Global
Commercial Operations, Alliance Management and IT at Orexigen Therapeutics, Inc., a biopharmaceutical company, from March 2015 to
June 2018. While at Orexigen, Mr. Yoder built the commercial infrastructure with a focus on innovative, efficient, and effective business
process and architecture. Additionally, he led external business development efforts that delivered 11 partnership deals spanning 67
countries. Prior to joining Orexigen, Mr. Yoder spent 28 years at Merck & Co., where he held various roles of increasing responsibility
across global business operations and commercial functions. In several of these roles, he was responsible for oversight and execution of
large-scale initiatives including integration following acquisitions and led a range of organizational design and corporate change initiatives.
Mr. Yoder received his B.S. degree in biology from Dickinson College and earned an M.B.A. from Emory University.

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Barry Shin

Mr. Shin joined our company as Senior Vice President and Chief Financial Officer in June 2019. He joined our company with

extensive investment banking experience advising biopharmaceutical companies through financing and merger and acquisition, or M&A,
transactions. He was Managing Director in the Healthcare Investment Banking Group at Mizuho Securities from May 2017 until he joined
the Company. Prior to joining Mizuho Securities, he was a Managing Director in the Healthcare Investment Banking Group of Guggenheim
Securities from May 2012 to May 2017. From February 2005 to May 2012, he served in the Healthcare Investment Banking Group of Piper
Jaffray. From September 2001 to February 2005, he advised healthcare and technology companies in financing and M&A transactions as a
corporate attorney. Mr. Shin received a B.Sc. and joint J.D. / M.B.A. from the University of Toronto.

Patricia Drake

Ms. Drake joined our company as Senior Vice President and Chief Commercial Officer in November 2021. She has held
numerous U.S. and global commercial roles in marketing, sales, and strategy and is widely regarded as an influential and inclusive leader
with a consistent track record of exceeding financial performance. Prior to joining the Company, she served as Chief Commercial Officer of
Sesen Bio. from June 2021 to September 2021. Prior to that, she served in various capacities with Merck & Co., Inc., including as Managing
Director and CEO of Merck, Sharp & Dohme (MSD) Finland from January 2019 to May 2021. Ms. Drake also served in Merck’s Global
Human Health Commercial Strategy Office from November 2017 to December 2018, as Leader of U.S. Market Operations and Strategy
Realization from January 2016 to November 2017, as Vice President – Primary Care Sales (Canada) from May 2014 to December 2015,
and Hospital Business Unit Leader in Canada where she led the successful launch of multiple commercial products, including Bridion®, a
highly successful post-surgical product with over $1 billion worldwide sales in 2020.

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 on Form 10-K, 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.

● Our prospects are highly dependent on the successful commercialization of OLINVYK. To the extent OLINVYK is not

commercially successful, our business, financial condition and results of operations may be materially adversely affected, and the
price of our common stock may decline.

● We will need substantial additional funding, which may not be available to us on acceptable terms, or at all. If we are unable to raise
capital when needed, we could be forced to delay, reduce or eliminate our product development programs or commercialization
efforts and may not be able to continue as a going concern.

●

If we are unable to comply with the applicable continued listing requirements or standards of The Nasdaq Stock Market, including
the minimum bid price requirement and minimum stockholders’ equity requirement, Nasdaq could delist our common stock.

● Our limited operating history may make it difficult for you to evaluate the success of our business to date and to assess our future

viability.

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●

●

The ongoing COVID-19 pandemic, and the efforts to mitigate it, could materially affect our operations, as well as the business or
operations of third parties with whom we conduct business.

The ongoing COVID-19 pandemic, and the efforts to mitigate it, may negatively impact the commercialization and market
acceptance of OLINVYK.

● OLINVYK or any of our other product candidates for which we obtain approval 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.

● We could face legal or regulatory actions related to the sales, marketing and promotion of OLINVYK to healthcare professionals

and healthcare institutions.

●

If we are unable to maintain or expand our manufacturing, sales, marketing, and distribution capabilities or to enter into agreements
with third parties to produce, market, sell, and distribute our product candidates, we may not be successful in commercializing
OLIVNYK or any of our other product candidates if and when they are approved.

● We face substantial competition, which may result in others discovering, developing, or commercializing products before or more

successfully than we do.

●

If we are not able to obtain, or if there are delays in obtaining regulatory approval of OLINVYK for any indications in foreign
jurisdictions, or regulatory approval of our other product candidates, we will not be able to market OLINVYK in other jurisdictions
or market our other product candidates at all, and our ability to generate revenue will be materially impaired.

● OLINVYK has been classified as a Schedule II controlled substance, and the making, use, sale, importation, exportation and

distribution of controlled substances are subject to regulation by state, federal and foreign law enforcement and other regulatory
agencies which may make the successful commercialization and market acceptance more difficult.

● We are early in our development efforts and have only one product, OLINVYK, for which we have received marketing approval

from the FDA. If we are unable to successfully commercialize OLINVYK, or if we are unable to complete development of our other
product candidates, or if we experience significant delays in doing so, our business will be materially harmed.

● Nonclinical and 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 and commercialization of
our product candidates.

● We may be unable to obtain regulatory approval for our product candidates under applicable regulatory requirements. The denial or
delay of any such approval would delay commercialization of our product candidates and adversely impact our potential to generate
revenue, our business and our results of operations.

● We rely, and expect to continue to rely, on third parties to conduct our nonclinical studies and clinical trials, and those third parties

may not perform satisfactorily, including failing to meet deadlines for the completion of such trials or complying with applicable
regulatory requirements.

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

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● Materials necessary to manufacture our product or product candidates may not be available on commercially reasonable terms, or at

all, which may delay the development and commercialization of our product or product candidates.

●

●

If we are unable to obtain and maintain patent protection for our technology and products or if the scope of the patent protection
obtained is not sufficiently broad, our competitors could develop and commercialize technology and products similar or identical to
ours, and our ability to successfully commercialize our technology and products may be impaired.

In the future, we expect to expand our development, regulatory, manufacturing, sales, marketing, and distribution capabilities, and
as a result, we may encounter difficulties in managing our growth, which could disrupt our operations.

● We may not have cash available to us in an amount sufficient to enable us to make interest or principal payments on our

indebtedness when due.

● We are subject to certain terms and restrictive covenants which, if breached, could have a material adverse effect on our business

and prospects.

● We maintain significant inventories of OLINVYK, and in 2022 we recorded an inventory valuation adjustment, primarily for slow-

moving or obsolete inventory related to OLINVYK, as well as an increase in returns reserve from our wholesalers.

Risks Related to 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 operating losses. Our net loss was $53.7 million and $51.6 million for the years

ended December 31, 2022 and 2021, respectively. As of December 31, 2022, we had an accumulated deficit of $547.8 million. To date, we
have financed our operations primarily through private placements and public offerings of our equity securities and debt borrowings. We
have devoted substantially all of our financial resources and efforts to research and development, including nonclinical studies and clinical
trials. In August 2020, the FDA granted approval for OLIVNYK as a treatment in the United States for the management of acute pain in
adults severe enough to require an intravenous opioid analgesic and for whom alternative treatments are inadequate. Accordingly, we are
currently focusing a substantial portion of our efforts on the commercialization of OLINVYK, which commenced in the first quarter of
2021.

We expect to continue to incur significant expenses and operating losses over the next several years. Our net losses may fluctuate

significantly from quarter to quarter and year to year. We anticipate that our expenses will increase if we:

●

●

●

●

●

commercialize OLINVYK in the United States;

build out our sales, marketing and distribution capabilities and scale up external manufacturing capabilities to commercialize
OLINVYK, and any other product candidates that we choose not to license to a third party and for which we may obtain regulatory
approval;

conduct clinical trials for our other product candidates;

seek regulatory approvals for any product candidates that successfully complete clinical trials;

seek to identify additional product candidates;

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● maintain, expand, and protect our intellectual property portfolio;

●

●

hire additional sales, marketing, medical, clinical and scientific personnel; and

add operational, financial, and management information systems and personnel, including personnel to support our product
development and planned future commercialization efforts.

To become and remain profitable, we must succeed in raising substantial additional funding for the Company and developing and

commercializing products that generate significant revenue. This will require us to be successful in a range of challenging activities,
including completing nonclinical testing and clinical trials of our product candidates, identifying additional product candidates, potentially
entering into collaboration and license agreements, obtaining regulatory approval for product candidates, and manufacturing, marketing,
and selling OLINVYK and any products for which we may obtain regulatory approval. We are only in the preliminary stages of some of
these activities and have not begun others. We may never succeed in these activities and, even if we do, our future profitability will depend
upon the size of any markets in which our product candidates have received approval, and our ability to achieve sufficient market
acceptance, reimbursement from third-party payors and adequate market share for our products in those markets.

Because of the numerous risks and uncertainties associated with pharmaceutical product development, we are unable to accurately

predict the timing or amount of increased expenses, whether we will have sufficient funding available to or when, or if, we will be able to
achieve profitability. If, for example, we are required by the FDA or foreign regulatory authorities to perform studies in addition to those we
currently anticipate conducting, or if there are any delays in completing our clinical trials, making necessary regulatory filings, or the
development of any of our product candidates, our expenses could increase. Absent substantial additional fundraising, the level and extent
of our clinical and, if approved, commercial efforts may lead to a delay in our ability to achieve profitability.

Even if we do 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, continue our development efforts, diversify our product offerings, or even continue our operations. A decline in the value of our
company also could cause you to lose all or part of your investment.

Our prospects are highly dependent on the successful commercialization of OLINVYK. To the extent OLINVYK is not commercially
successful, our business, financial condition and results of operations may be materially adversely affected, and the price of our
common stock may decline.

OLINVYK is our only drug that has been approved for sale and it has only been approved as a treatment in the United States for
the management of acute pain in adults severe enough to require an intravenous opioid analgesic and for whom alternative treatments are
inadequate. We are currently focusing a significant portion of our activities and resources on OLINVYK and we are highly dependent upon
the successful commercialization of OLINVYK in the United States.

Successful commercialization of OLINVYK is subject to many risks. While we have established our commercial team and have

hired our U.S. sales force, we may need to further expand and develop, and at times restructure the team in order to successfully
commercialize OLINVYK. Even if we are successful in developing our commercial team, there are many factors that could cause the
commercialization of OLINVYK to be unsuccessful, including a number of factors that are outside our control. Because OLINVYK is an
opioid agonist and is the first new chemical entity in the IV opioid drug class in decades, it is especially difficult to estimate OLINVYK’s
market potential for its approved indication. We do not know if our expectations of the market for this product will be accurate.
Additionally, hospitals may be unwilling to add OLINVYK to their formularies or physicians may be unwilling to prescribe OLINVYK.
Further, any negative publicity related to OLINVYK, or negative development for OLINVYK in our post-marketing commitments, or in
regulatory processes in other jurisdictions, may adversely impact the commercial results and potential of OLINVYK.

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In addition, our commercialization efforts could be adversely affected by the effects of public health threats, including pandemics

such as the COVID-19 pandemic and the efforts to mitigate them. In light of the lengthy duration of the pandemic, we continue to expect
that sales of OLINVYK may be negatively impacted by changes in commercial practices resulting from COVID-19, such as the transition to
telemedicine, possible decreases in initial diagnoses, deferral of elective procedures, and decreased access to certain market segments. The
ultimate effects of COVID-19, and the duration thereof, are difficult to assess or predict at this time and no assurances can be given that the
pandemic will not have a significant impact on our ability to commercialize OLINVYK, which in turn could have a material adverse effect
on our business, results of operations, financial condition and prospects.

If the commercialization of OLINVYK is less successful than expected, our stock price could decline significantly and the long-

term success of the product and our company could be harmed.

We will need substantial additional funding, which may not be available to us on acceptable terms, or at all. If we are unable to raise
capital when needed, we could be forced to delay, reduce or eliminate our product development programs or commercialization efforts
and may not be able to continue as a going concern.

As of December 31, 2022, we had cash and cash equivalents of $38.3 million. Based upon our current operating plan, we believe
that our available cash and cash equivalents will be sufficient to fund our planned operations and capital expenditure requirements into the
fourth quarter of 2023. Although we plan and budget funding for our operations, it is possible that we may have based this estimate on
assumptions that may prove to be wrong, and we could exhaust our available capital resources sooner than we expect. Over the next several
years, we expect to incur significant expenses in connection with our current operations, as we commercialize OLINVYK and continue the
clinical trials of, and seek marketing approval for, our other drug candidates. Furthermore, we will continue to incur costs associated with
operating as a public company, hiring personnel as needed. Accordingly, we will need to obtain substantial additional funding for these
efforts; we would seek to obtain this funding through the sale of equity, the incurrence of debt, and/or other sources, including potential
collaborations. Ultimately, we may be unable to raise additional funds or enter into such other arrangements when needed, on favorable
terms, or at all. If we fail to raise additional capital or enter into such arrangements as, and when, needed, we could be forced to:

●

●

●

significantly delay, scale back, or discontinue our operations, development programs, and/or any current or future
commercialization efforts;

relinquish, or license on unfavorable terms, our rights to technologies or product candidates that we otherwise would seek to
develop or commercialize ourselves;

seek collaborators for one or more of our product candidates at an earlier stage than otherwise would be desirable or on terms
that are less favorable than might otherwise be available; or

● may be unable to continue as a going concern and could cease operations altogether.

The extent of our future capital requirements will depend on many factors, including:

●

●

●

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our ability to successfully commercialize OLINVYK in the United States;

the scope, progress, results and costs of nonclinical development, laboratory testing, and clinical trials for our product
candidates, including TRV045, TRV250, and TRV734,;

the number and development requirements of other product candidates that we pursue;

the costs, timing, and outcome of regulatory review of any product candidates, both in the United States and in territories
outside the United States;

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the costs and timing of commercializing OLINVYK and any future commercialization activities, including product
manufacturing, marketing, sales, and distribution, for any of our product candidates for which we receive marketing approval;

the revenue, if any, received from commercial sales of our product candidates for which we receive marketing approval;

our ability to enter into collaborative agreements for the development and commercialization of our product candidates;

any product liability or other lawsuits related to our products or operations;

the expenses needed to attract and retain skilled personnel;

the costs involved in preparing, filing, and prosecuting patent applications, maintaining and enforcing our intellectual property
rights, and defending any intellectual property-related claims, both in the United States and in territories outside of the United
States; and

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the impact of the COVID-19 pandemic and any future epidemics and pandemics that may arise in the future.

Identifying potential product candidates and conducting nonclinical testing and clinical trials is a time-consuming, expensive and
uncertain process that takes years to complete. Despite these efforts, we may never generate the necessary data or results required to obtain
regulatory approval and achieve product sales for our product candidates. In addition, our other product candidates, if approved, may not
achieve commercial success or meet our expectations.

Our ability to generate commercial revenue from sales of OLINVYK is unproven, and we do not expect any other products to be
commercially available for the foreseeable future, if at all. Accordingly, we will need to continue to rely on additional financing to achieve
our business objectives. Adequate additional financing may not be available to us on acceptable terms, or at all. The risk that additional
financing is unavailable is heightened by the sustained macro-economic disruption from the COVID-19 pandemic. We cannot predict the
extent or duration of the impact of the COVID-19 pandemic on the capital markets. In addition, we may seek additional capital due to
favorable market conditions or strategic considerations, even if we believe we have sufficient funds for our current or future operating plans.
Furthermore, a systemic failure of the banking system in the United States or globally may result in a situation in which we lose our
deposits, or access to our deposits, and are unable to obtain financing from other sources which could materially and adversely affect our
business and financial condition.

Our limited operating history may make it difficult for you to evaluate the success of our business to date and to assess our future
viability.

We are a biopharmaceutical company with a limited operating history. Our activities to date have been limited to, among other

things, organizing and staffing our company, business planning, raising capital, developing our product platform, identifying potential
product candidates, undertaking nonclinical studies, and conducting clinical trials of our product candidates. With the exception of
OLINVYK, our product candidates are in early stages of development. We have only recently begun to conduct sales, marketing, and
distribution activities to commercialize OLINVYK, and we have not yet demonstrated the ability to generate significant revenue from the
sale of OLINVYK. Consequently, any predictions you make about our future success or viability may not be as reliable as they could be if
we had a longer and more established operating history.

We have encountered, and will continue to encounter, risks and difficulties frequently experienced by growing companies in a

rapidly developing and changing industry, such as the biopharmaceutical industry, including challenges in forecasting accuracy,
determining appropriate investments of our limited resources, gaining market acceptance of our products, if approved, managing a complex
regulatory landscape and developing new product candidates. Our current

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operating model may require changes in order for us to scale our operations efficiently. You should consider our business and prospects in
light of the risks and difficulties we face as a company focused on developing products in the fields of biopharmaceuticals and
biotechnology.

We expect our financial condition and operating results to continue to fluctuate significantly from quarter to quarter and year to

year due to a variety of factors, many of which are beyond our control. Accordingly, you should not rely upon the results of any past
quarterly or annual periods as indications of future operating performance.

The COVID-19 pandemic and the efforts to mitigate it could materially affect our operations, as well as the business or operations of
third parties with whom we conduct business.

Our business and its operations, including but not limited to clinical development, sales and marketing efforts, supply chain

operations, research and development activities, could be adversely affected by health epidemics, such as the COVID-19 pandemic, in
regions where we have business operations, and such health epidemics could cause significant disruption in the operations of third parties
upon whom we rely. We have implemented work-from-home policies for all headquarter employees. The effects of the COVID-19
pandemic may negatively impact productivity, disrupt our business, delay our clinical programs and timelines and adversely affect our
commercialization and market acceptance of OLINVYK, 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.

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. Also, some patients 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 patients and principal investigators and site staff who, as healthcare providers, may have heightened exposure to
COVID-19 and adversely impact our clinical trial operations. Limitations on global international travel and the impact of COVID-19 in
other countries may delay key trial activities, including necessary interactions with regulators, ethics committees and other important
agencies and contractors. We may be faced with limitations in employee resources that would otherwise be focused on the conduct of
clinical trials, including because of sickness of employees or their families or the desire of employees to avoid contact with large groups of
people. Any of the above could delay our planned clinical trials or prevent us from completing these clinical trials at all and harm our ability
to obtain approval for our product candidates.

Moreover, we may experience additional disruptions that could severely impact our business and development activities,
including, but not limited to, strain on our suppliers and other third parties, possibly resulting in supply disruptions of our product
candidates for nonclinical or clinical development and potential future clinical trials we expect to initiate, decrease in clinical enrollment in
any clinical trials we initiate and the ability to raise capital when needed on acceptable terms, if at all. Disruptions in our operations or
supply chain, whether as a result of restricted travel, quarantine requirements or otherwise, could negatively impact our ability to proceed
with our clinical trials, nonclinical development and other activities and delay our ability to receive product approval and generate revenue.

The extent to which COVID-19 impacts our results will depend on future developments, which are highly uncertain and cannot be

predicted, including new information which may emerge concerning the severity of COVID-19, the emergence of any new mutations or
variants of the virus, administration rates and effectiveness of vaccines and their effectiveness, the duration of the outbreak, travel
restrictions imposed by the United States and other countries, business closures or business disruption in the United States and other
countries, and the actions taken throughout the world, including in our markets, to contain COVID-19 or treat its impact. We do not yet
know the full extent of potential delays or impacts on our business, our clinical trials, our nonclinical development efforts, healthcare
systems or the global economy as a whole. However, these effects could have a material impact on our operations, and we will continue to
monitor the COVID-19 situation closely.

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The COVID-19 pandemic may negatively impact the commercialization and market acceptance of OLINVYK.

The COVID-19 pandemic may have an adverse impact on our ability to successfully commercialize and secure market acceptance

of OLINVYK. As a result of the COVID-19 pandemic, we or our employees, contractors, suppliers, and other partners may be prevented
from conducting normal business activities for an indefinite period of time, including due to continuation of government-imposed
quarantines, stay-at-home orders, travel restrictions, mandated business closures and other public health safety measures.

If the spread of COVID-19 and the public safety measures taken by various governments continue, the successful

commercialization and market acceptance of OLINVYK may be hindered by various factors, including the overall economy, cancellations
in elective surgeries, challenges in hiring employees who are necessary to support continued commercialization, difficulties in meeting with
healthcare providers, pharmacists or others involved in prescribing and formulary decisions, limited access to healthcare providers’ offices,
conducting necessary trainings of such new employees, attending and presenting at various conferences or other programs, delays in
coverage decisions from Medicare and third-party payors, interruptions or delays in our commercial supply chain and increases in the
number of uninsured or underinsured patients.

The extent to which the COVID-19 pandemic will impact our efforts to successfully commercialize and secure market acceptance

of OLINVYK is uncertain and will depend upon future developments. We are monitoring the situation and taking steps to minimize the
disruption of the COVID-19 pandemic, but there can be no assurance that such actions will be successful, which could have a negative
impact on our ability to successfully commercialize OLINVYK.

Our ability to utilize our net operating loss carryforwards and certain other tax attributes may be limited

We have incurred substantial losses during our history. We do not anticipate generating revenue from sales of products for the
foreseeable future, if ever, and we may never achieve profitability. To the extent that we continue to generate tax losses, unused losses
generated in tax years ending on or prior to December 31, 2018 will carry forward to offset future taxable income, if any, until such unused
losses expire. Unused tax losses generated after December 31, 2018 under the Tax Act will not expire and may be carried forward
indefinitely, but will be deductible only to the extent of 80% of current taxable income in any given year. It is uncertain if and to what
extent various states will conform to the Tax Act. In addition, under Sections 382 and 383 of the Internal Revenue Code of 1986, as
amended (the Code), 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 or taxes may be limited. We have not completed an analysis to determine whether we
have experienced an ownership change. In addition, we may experience ownership changes in the future as a result of subsequent shifts in
our stock ownership. Similar provisions of state tax law may also apply to limit our use of accumulated state tax attributes. In addition, at
the state level, there may be periods during which the use of net operating losses is suspended or otherwise limited, which could accelerate
or permanently increase state taxes owed. As a result, even if we attain profitability, we may be unable to use all or a material portion of
our net operating losses and other tax attributes, which could adversely affect our future cash flows. As of December 31, 2022, we had
federal net operating loss carryforwards of approximately $188.7 million that could be limited if we have experienced, or if in the future we
experience, an ownership change.

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We may not have cash available to us in an amount sufficient to enable us to make interest or principal payments on our indebtedness 
when due.  

Through an indirect subsidiary, we entered into a royalty-based loan agreement, or the Loan Agreement, with R-Bridge Healthcare 

Investment Advisory, Ltd., or R-Bridge, pursuant to which we may incur up to $40.0 million of indebtedness. The repayment of all 
borrowings, interest and other related payments under the Loan Agreement are guaranteed by us and secured by substantially all of our 
assets associated with our license agreement with Nwha, the Chinese intellectual property related to OLINVYK and deposit accounts 
established to hold any amounts received by us that are required to be used to reapy amounts outstanding under the Loan Agreement.  Our 
ability to make scheduled payments of the principal of, to pay interest on or to refinance our indebtedness under the Loan Agreement 
depends on our future performance, which is subject to regulatory, economic, financial, competitive and other factors beyond our control. 
We are a biopharmaceutical company that has not yet generated profit from product sales. We expect to continue to incur losses from our 
infrastructure and personnel to support our commercialization and product development efforts and operations. Accordingly, our business 
may not generate cash flow from operations in the future sufficient to service our indebtedness under the Loan Agreement and make 
necessary capital expenditures. If we are unable to generate such cash flow, we may be required to adopt one or more alternatives, such as 
selling assets, restructuring debt or obtaining additional equity capital on terms that may be onerous or highly dilutive. Our ability to 
refinance our indebtedness will depend on the capital markets and our financial condition at such time. We may not be able to engage in 
any of these activities or engage in these activities on desirable terms. If we fail to satisfy our debt obligations under the Loan Agreement, it 
could result in an event of default and, as a result, R-Bridge could accelerate all of the amounts due under the Loan Agreement, including a 
premium in certain cases. In the event of any such acceleration of amounts due as a result of an event of default, we may not have sufficient 
funds or may be unable to arrange for additional financing to repay our indebtedness. In addition, R-Bridge could seek to enforce its 
respective security interests in certain assets.  See Note 7 – Loans Payable to the financial statements included in Part II of this Annual 
Report on Form 10-K for a more specific description of the Loan Agreement.   

We are subject to certain restrictive covenants pursuant to the Loan Agreement which, if breached, could have a material adverse effect
on our business and prospects.

The Loan Agreement contains certain customary affirmative covenants, including those relating to: use of proceeds; maintenance 

of books and records; financial reporting and notification; compliance with laws; and protection of our intellectual property. The Loan 
Agreement also contains certain customary negative covenants, barring our subsidiary that is party to the Loan Agreement from: certain 
fundamental transactions; issuing dividends and distributions (other than certain exceptions, including distributing the loan proceeds to us); 
incurring additional indebtedness outside of the ordinary course of business; engaging in any business activity other than related to our 
license agreement relating to OLINVYK with our partner in China, Jiangsu Nhwa Pharmaceutical Co. Ltd, or Nhwa.; and permitting any 
additional liens on the collateral provided to R-Bridge under the Loan Agreement. Our failure to observe or breach these covenants could 
result in an event of default and, as a result, R-Bridge could accelerate all of the amounts then due under the Loan Agreement, including a 
premium in certain cases, or otherwise give R-Bridge certain rights over us which would have an adverse effect on our business. In 
addition, R-Bridge could seek to enforce its respective security interests in certain assets.  

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We maintain significant inventories of OLINVYK, and in 2022 we recorded an inventory valuation adjustment, primarily for slow-
moving or obsolete inventory related to OLINVYK, as well as an increase in returns reserve from our wholesalers.

We maintain significant inventories of OLINVYK and evaluate these inventories on a periodic basis for potential slow-moving or

obsolete amounts on hand. During 2022, we recognized an inventory valuation adjustment of $2.1 million for OLINVYK inventories of
hand, due to uncertainty of commercial activities and future expected OLINVYK sales. During 2022, we also recorded a $0.4 million
returns reserve adjustment for OLINVYK to account for expected returns from our wholesalers. The inventory valuation adjustment and
returns reserve adjustment were based upon our analysis of current OLINVYK inventory on hand and at our wholesalers, and the remaining
shelf-life, in relation to our projected demand for the product.

Our adjustments for slow-moving or obsolete inventory is subjective and requires forecasting of the future market demand for our

products. Forecasting demand for OLINVYK following its launch in 2021, with no sales history, coupled with the unpredictable
commercial environment as a result of the COVID pandemic, particularly with respect to hospitals, has been difficult. We will continue to
evaluate our inventories and amounts held at wholesalers on a periodic basis. The value of our inventories could be impacted if actual sales
differ significantly from our estimates of future demand and if any significant, unanticipated changes in future product demand or market
conditions occur. Any of these events, or a combination thereof, could result in additional inventory write-downs in future periods, or
further adjustments to returns or other reserves, which could be material.

Risks Related to Ownership of Our Common Stock

The trading price of the shares of our common stock has been and may continue to be volatile, and you may not be able to resell some
or all of your shares at a desired price.

Since our common stock commenced trading in January 2014, our stock price has been highly volatile, with closing stock prices

ranging from a high of $339.25 per share to a low of $1.30 per share.

The stock market in general and the market for biopharmaceutical 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 in our stock 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:

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the success of our commercialization of OLIVNYK for use in adults for the management of acute pain severe enough to require an
intravenous opioid analgesic and for whom alternative treatments are inadequate;

the status and cost of our post-marketing commitments for OLIVNYK;

the status and cost of development and commercialization of OLIVNYK in jurisdictions other than the United States;

actual or anticipated variations in our operating results;

changes in financial estimates by us or by any securities analysts who might cover our stock;

the timing and results of our clinical trials for any of our product candidates;

failure or discontinuation of any of our development programs;

conditions or trends in our industry;

changes in the structure of healthcare payment systems;

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stock market price and volume fluctuations of comparable companies and, in particular, those that operate in the biopharmaceutical
industry;

announcements by us or our competitors of significant acquisitions, strategic partnerships or divestitures;

developments or disputes concerning patent applications, issued patents or other proprietary rights;

announcements of investigations or regulatory scrutiny of our operations or lawsuits filed against us;

capital commitments;

investors’ general perception of our company and our business;

recruitment or departure of key personnel;

announcements and expectations of additional financing efforts;

public concern as to, and legislative action with respect to, genetic testing or other research areas of biopharmaceutical companies,
the pricing and availability of prescription drugs, or the safety of drugs and drug delivery techniques;

disruptions caused by man-made or natural disasters or public health pandemics or epidemics or other business interruptions,
including, for example, the COVID-19 pandemic;

economic and political factors, including but not limited to economic and financial crises, wars, terrorism, and political unrest; and

sales of our common stock, including sales by our directors and officers or specific stockholders.

If we are not able to comply with the applicable continued listing requirements or standards of The Nasdaq Stock Market, Nasdaq could
delist our common stock.

Our common stock is currently listed on The Nasdaq Stock Market. In order to maintain that listing, we must satisfy minimum
financial and other continued listing requirements and standards, including the Minimum Bid Price Rule (as discussed below) and those
regarding director independence and independent committee requirements, minimum stockholders’ equity, and certain corporate
governance requirements. There can be no assurances that we will be able to comply with the applicable listing standards.

We are required to maintain a minimum bid price of $1.00 per share. On December 21, 2021, we received a notice from Nasdaq

indicating that the Company was not in compliance with Nasdaq Listing Rule 5550(a)(2), or the Minimum Bid Price Rule, because our
common stock failed to maintain a minimum closing bid price of $1.00 for 30 consecutive business days.

In accordance with Nasdaq Marketplace Rule 5810 © (3)(A), the Company was afforded an initial period of 180 calendar days, or
until June 20, 2022, to regain compliance with the Minimum Bid Price Rule. In June 2022, we applied for and received an extension to this
period from Nasdaq, with a new period ending December 19, 2022 to regain compliance. On November 9, 2022, we announced a 1-for-25
reverse stock split of the Company’s common stock, and on November 28, 2022, we received notice from Nasdaq that we had regained
compliance with the Minimum Bid Price Rule.

In the event that our common stock is delisted from The Nasdaq Stock Market and is not eligible for quotation or listing on
another market or exchange, trading of our common stock could be conducted only in the over the counter market or on an electronic
bulletin board established for unlisted securities such as the Pink Sheets or the OTC Bulletin

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Board. In such event, it could become more difficult to dispose of, or obtain accurate price quotations for, our common stock, and there
would likely also be a reduction in our coverage by securities analysts and the news media, which could cause the price of our common
stock to decline further. Also, it may be difficult for us to raise additional capital if we are not listed on a major exchange.

Such a de-listing would also likely have a negative effect on the price of our common stock and would impair your ability to sell

or purchase our common stock when you wish to do so. In the event of a de listing, we may take actions to restore our compliance with The
Nasdaq Stock Market’s listing requirements, but we can provide no assurance that any such action taken by us would allow our common
stock to become listed again, stabilize the market price or improve the liquidity of our common stock, prevent our common stock from
dropping below The Nasdaq Stock Market minimum bid price requirement or prevent future non-compliance with The Nasdaq Stock
Market’s listing requirements.

If our common stock were delisted and determined to be a “penny stock,” a broker-dealer may find it more difficult to trade our common
stock and an investor may find it more difficult to acquire or dispose of our common stock in the secondary market.

If our common stock were removed from listing with The Nasdaq Capital Market, it may be subject to the “penny stock” rules of

the Exchange Act. The Exchange Act defines a “penny stock” as an equity security that has a market price per share of less than $5.00,
subject to certain exceptions, such as any securities listed on a national securities exchange, which is the exception on which we currently
rely.

The penny stock rules require that prior to a transaction involving a penny stock, the broker-dealer must make a special written

determination that the penny stock is a suitable investment for the purchaser and receive the purchaser’s written agreement to the
transaction. If our common stock were delisted and determined to be a “penny stock,” a broker-dealer may find it more difficult to trade our
common stock and an investor may find it more difficult to acquire or dispose of our common stock on the secondary market.

We may be subject to securities class action and stockholder derivative litigation.

We have in the past, and may in the future, become subject to class action and stockholder derivative litigation. We and our

officers and directors, from time to time, could be subject to such lawsuits. If that were to occur, such suits and any resolution of such suits
could result in substantial costs and divert management’s attention and resources from our business. This could have a material adverse
effect on our business, operating results and financial condition.

Sales of a substantial number of shares of our common stock 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 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 on Form S‑8 are available for sale in the public market subject to vesting arrangements and exercise of existing
options, the grant of new options in the future, and the restrictions of Rule 144 in the case of our affiliates.

We are a “smaller reporting company” and, as a result of the reduced disclosure and governance requirements applicable to smaller
reporting companies, our common stock may be less attractive to investors.

We are a “smaller reporting company” as defined in Rule 12b-2 promulgated under the Securities Exchange Act of 1934, as

amended, or the Exchange Act, and we intend to take advantage of some of the exemptions from reporting requirements that are applicable
to other public companies that are not smaller reporting companies, including reduced disclosure obligations regarding executive
compensation in our periodic reports and proxy statements. We cannot predict

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if investors will find our common stock less attractive because we will rely on these exemptions. If some investors find our common stock
less attractive as a result, there may be a less active trading market for our common stock and our stock price may be more volatile.

The issuance of additional stock in connection with financings, acquisitions, investments, our stock incentive plans or otherwise will
dilute all other stockholders.

Our Certificate of Incorporation authorizes us to issue up to 200,000,000 shares of common stock and up to 5,000,000 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 seek to expand the number of authorized common shares, and 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 stock incentive plans 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.

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 amended and restated certificate of incorporation and amended and restated bylaws that may make it
difficult for a third party to acquire, or attempt to acquire, control of our company, even if a change in control was considered favorable by
you and other stockholders. For example, our board of directors has the authority to issue up to 5,000,000 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 in 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 will be 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.

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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 in
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.

Because we do not anticipate paying any cash dividends on our common stock in the foreseeable future, capital appreciation, if any,
will be your sole source of gains and you may never receive a return on your investment.

You should not rely on an investment in our common stock to provide dividend income. We have not declared or paid cash

dividends on our common stock to date and have no plans to pay cash dividends in the foreseeable future.

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We currently intend to retain our future earnings, if any, to fund the development and growth of our business. Investors seeking cash
dividends should not purchase our common stock.

Risks Related to the Commercialization of Our Product Candidates

OLINVYK or any of our other product candidates for which we obtain approval 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.

OLINVYK or any of our other product candidates for which we obtain approval may fail to gain sufficient market acceptance by
physicians, patients, third-party payors, and others in the medical community. If OLINVYK or our other product candidates do not achieve
an adequate level of acceptance, we may not generate significant product revenue and we may not attain profitability. The degree of market
acceptance of OLINVYK and our other product candidates for which we obtain approval will depend on a number of factors, including:

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the efficacy, safety, cost and potential advantages compared to alternative treatments;

the timing of market introduction of the product candidate as well as competitive products;

our ability to offer the product for sale profitably and at competitive prices;

the convenience and ease of administration compared to alternative treatments;

the willingness of the target patient population to try new therapies and of physicians to prescribe these therapies;

the strength of sales, marketing, and distribution support;

the availability of third-party payor coverage and adequate reimbursement;

the prevalence and severity of any side effects, including any limitations or warnings contained in a product’s approved labeling;

publicity concerning our products or competing products and treatments;

FDA’s and HHS’s policy initiatives regarding opioids, including enforcement focused on the inappropriate promotion and
marketing of opioids;

the public perception of opioids in general and the ongoing opioid crisis;

the clinical indications for which the product is approved; and

any restrictions on the use of our products, both on their own and together with other medications.

We cannot assure you that OLINVYK or any product candidates for which we obtain regulatory approval in the future will

achieve market acceptance among physicians, patients, patient advocacy groups, third-party payors or others in the medical community
necessary for commercial success. Any failure by our product candidates that obtain

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regulatory approval to achieve market acceptance or commercial success could materially adversely affect our business, financial condition,
results of operations and prospects.

If we are unable to maintain or expand our manufacturing, sales, marketing, and distribution capabilities or to enter into agreements
with third parties to conduct these activities, we may not be successful in commercializing OLINVYK or any of our other product
candidates if and when they are approved.

We have implemented our sales and marketing infrastructure for the commercialization of OLINVYK, our first FDA-approved
product. We currently do not expect to build sales, manufacturing and distribution capabilities outside of the United States, although this
expectation could change in the future.

There are substantial risks involved with establishing sales, marketing, and distribution capabilities. For example, recruiting and
training a sales force is expensive and time consuming and could delay any product launch. If the commercialization of OLINVYK is not
successful or the commercial launch of another product candidate, if approved, is delayed or does not occur for any reason, we would have
prematurely or unnecessarily incurred certain commercialization expenses. This may be costly, and our investment would be lost if we
cannot retain or reposition our sales and marketing personnel.

There are a number of factors that may inhibit our efforts to successfully commercialize OLINVYK or any other drug products for

which we receive marketing approval on our own, including:

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our inability to recruit, train and retain adequate numbers of effective sales and marketing personnel or to outsource these tasks
successfully to a third party;

the inability of sales personnel to obtain access to physicians or other relevant personnel or educate adequate numbers of physicians
or others on the benefit of our product candidates;

the lack of complementary or other products to be offered by sales personnel, which may put us at a competitive disadvantage from
the perspective of sales efficiency relative to companies with more extensive product lines;

unforeseen costs and expenses associated with creating a sales and marketing organization; and

efforts by our competitors to commercialize products at or about the time when our product candidates would be coming to market.

As an alternative to establishing our own sales force, we may choose to partner with third parties that have well-established direct

sales forces to sell, market and distribute our products. If we are unable to enter into collaborations with third parties for the
commercialization of OLINVYK or any of our other drug candidates for which we obtain marketing approval, on acceptable terms or at all,
or if any such partner does not devote sufficient resources to the commercialization of our product or otherwise fails in commercialization
efforts, we may not be able to successfully commercialize any of our product candidates that receive regulatory approval.

For OLINVYK, we will need to partner with one or more third parties to sell, market and distribute this product, if approved,

outside the United States. In April 2018 and May 2018, we entered into exclusive licensing agreements for the development and
commercialization of OLINVYK in South Korea and China, respectively. Such partnerships in South Korea and China may not be
successful, and we may be unsuccessful in our efforts to secure additional partnerships outside the United States.

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We face substantial competition, which may result in others discovering, developing, or commercializing products before or more
successfully than we do.

OLINVYK is approved for use in adults for the management of acute pain severe enough to require an intravenous opioid 
analgesic and for whom alternative treatments are not adequate. We expect OLINVYK to compete with generic IV opioid analgesics, such 
as morphine, hydromorphone and fentanyl. IV opioid analgesics are limited by well-known adverse side effects, such as respiratory 
depression, nausea, vomiting, constipation, and post-operative ileus, which can be exacerbated by the way these molecules are metabolized 
or cleared. OLINVYK will also compete against, or be used in combination with, OFIRMEV® (IV acetaminophen), marketed by 
Mallinckrodt plc; EXPAREL® (liposomal bupivacaine), marketed by Pacira Pharmaceuticals, Inc.; ZYNRELEF® (bupivacaine and 
meloxicam) marketed by Heron Therapeutics, Inc;  CALDOLOR® (IV ibuprofen), marketed by Cumberland Pharmaceuticals; DSUVIA™ 
(sublingual sufentanil) marketed by AcelRx Pharmaceuticals, Inc.; and ANJESO™ (IV meloxicam), marketed by Baudax Bio, Inc.; 
XARACOLL™ (bupivacaine HCL) implant, marketed by Innocoll Holdings plc; and POSIMIR® (bupivacaine solution) marketed by 
DURECT Corporation.. Together with generic versions of IV NSAIDs such as ketorolac and acetaminophen, and generic versions of local 
anesthetics such as bupivacaine, these non-opioid analgesics are currently used in combination with opioids in the multimodal management 
of moderate-to-severe acute pain.

We also are aware of a number of products in mid- and late-stage clinical development that are aimed at improving the treatment

of moderate-to-severe acute pain and may compete with OLINVYK. AcelRx Pharmaceuticals, Inc. is developing ZALVISO™, a non-
invasive PCA device containing sublingual sufentanil, which has received approval in the European Union. Avenue Therapeutics, Inc. is
developing an IV version of generic opioid tramadol for moderate-to-severe acute pain.

Some of these potential competitive compounds are being developed by large, well-financed, and experienced pharmaceutical and

biotechnology companies, or have been partnered with such companies, which may give them development, regulatory and marketing
advantages over us.

Our commercial opportunity could be reduced or eliminated if our competitors develop and commercialize products that are safer,

more effective, have fewer or less severe side effects, are more convenient or are less expensive than any products that we may develop.
Our competitors also may obtain FDA or other regulatory approval for their products more rapidly than we may obtain approval for our
product candidates, which could result in our competitors establishing a strong market position before we are able to enter the market. In
addition, our ability to compete may be affected in many cases by insurers or other third-party payors seeking to encourage the use of
generic products or lower-cost branded products. Generic products are currently on the market for the OLINVYK indications and the
indications that we are pursuing for our product candidates. If our product candidates achieve marketing approval, we expect that they will
be priced at a significant premium over competing generic products.

Some of the companies against which we are competing or against which we may compete in the future have significantly greater

financial resources, brand recognition and expertise than we do in research and development, manufacturing, nonclinical testing, conducting
clinical trials, obtaining regulatory approvals, and selling and marketing approved products. 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
and other early-stage companies also may prove to be significant competitors, particularly through collaborative arrangements with large
and established companies. These third parties compete with us in recruiting and retaining qualified scientific and management personnel,
establishing clinical trial sites and patient registration for clinical trials, as well as in acquiring technologies complementary to, or necessary
for, our programs.

OLINVYK or any other product candidates for which we are able to obtain regulatory approval in the future may become subject to
unfavorable pricing regulations, third-party payor coverage and reimbursement policies, or healthcare reform initiatives.

Our ability to commercialize OLINVYK and any of our product candidates successfully will depend, in part, on the extent to

which coverage and adequate reimbursement for these products and related treatments will be available

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from government payor programs at the federal and state level, including Medicare and Medicaid, private health insurers, managed care
plans and other organizations. Government authorities and other third-party payors, such as private health insurers and health maintenance
organizations, decide which medications they will pay for and establish reimbursement levels. In addition, for hospital products, a private
health insurer or Medicare will typically reimburse a fixed fee for certain procedures, including in‑patient surgeries. Pharmaceutical
products such as OLINVYK that may be used in connection with the surgery generally will not be separately reimbursed and, therefore, a
hospital would have to assess the cost of OLINVYK relative to its benefits. Current or future efforts to limit the level of reimbursement for
in‑patient hospital procedures could cause a hospital to decide not to use OLINVYK.

A primary trend in the U.S. healthcare industry and elsewhere is cost containment. Government authorities and other third-party

payors have attempted to control costs by limiting coverage and the amount of reimbursement for particular medications or procedures.
Increasingly, third-party payors are requiring that drug companies provide them with predetermined discounts from list prices and are
challenging the prices charged for medical products. Coverage and reimbursement may not be available for any drug that we or our
collaborators commercialize and, even if these are available, the level of reimbursement for a product or procedure may not be satisfactory.
Inadequate reimbursement levels may adversely affect the demand for, or the price of, any product candidate for which we or our
collaborators obtain marketing approval. Obtaining and maintaining adequate reimbursement for our products may be difficult. We may be
required to conduct expensive pharmacoeconomic studies to seek to justify coverage and reimbursement or the level of reimbursement
relative to other therapies. If coverage and adequate reimbursement are not available or reimbursement is available only to limited levels, we
or our collaborators may not be able to successfully commercialize OLINVYK or any product candidates for which marketing approval is
obtained.

The Inflation Reduction Act of 2022 contains substantial drug pricing reforms, including the establishment of a drug price

negotiation program within the U.S. Department of Health and Human Services that would require manufacturers to charge a negotiated
“maximum fair price” for certain selected drugs or pay an excise tax for noncompliance, the establishment of rebate payment requirements
on manufacturers of certain drugs payable under Medicare Parts B and D to penalize price increases that outpace inflation, and requires
manufacturers to provide discounts on Part D drugs. Substantial penalties can be assessed for noncompliance with the drug pricing
provisions in the Inflation Reduction Act of 2022. The Inflation Reduction Act of 2022 could have the effect of reducing the prices we can
charge and reimbursement we receive for our product and our product candidates, if approved, thereby reducing our profitability, and could
have a material adverse effect on our financial condition, results of operations and growth prospects. The effect of Inflation Reduction Act
of 2022 on our business and the pharmaceutical industry in general is not yet known.

There may be significant delays in obtaining coverage and reimbursement for newly approved drugs, and coverage may be more

limited than the indications for which the drug is approved by the FDA or analogous regulatory authorities outside the United States.
Moreover, eligibility for coverage and reimbursement does not imply that a drug will be paid for in all cases or at a rate that covers our
costs, including research, development, manufacture, sale, and distribution expenses. Interim reimbursement levels for new drugs, if
applicable, also may not be sufficient to cover our costs and may not be made permanent. Reimbursement rates may vary according to the
use of the drug and the clinical setting in which it is used, may be based on reimbursement levels already set for lower cost drugs and may
be incorporated into existing payments for other services. Net prices for drugs may be reduced by mandatory discounts or rebates required
by government healthcare programs or private payors and by any future relaxation of laws that presently restrict imports of drugs from
countries where they may be sold at lower prices than in the United States. Private third-party payors often rely upon Medicare coverage
policy and payment limitations in setting their own reimbursement policies. Our or our collaborators’ inability to promptly obtain coverage
and adequate reimbursement rates from both government‑funded and private payors for any approved drugs that we develop could
adversely affect our operating results, our ability to raise capital needed to commercialize drugs and our overall financial condition.

The regulations that govern marketing approvals, pricing, coverage and reimbursement for new drugs vary widely from country to

country. Current and future legislation may significantly change the approval requirements in ways that could involve additional costs and
cause delays in obtaining approvals. Some countries require approval of the sale price of a drug before it can be marketed. In many
countries, the pricing review period begins after marketing or licensing approval is granted. In some foreign markets, prescription
pharmaceutical pricing remains subject to

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continuing governmental control even after initial approval is granted. As a result, we or our collaborators might obtain marketing approval
for a drug in a particular country, but then be subject to price regulations that delay commercial launch of the drug, possibly for lengthy
time periods, and negatively impact our ability to generate revenue from the sale of the drug in that country. Adverse pricing limitations
may hinder our ability to recoup our investment in one or more product candidates, even if our product candidates obtain marketing
approval.

There can be no assurance that our product candidates, if they are approved for sale in the United States or in other countries, will
be considered medically reasonable and necessary for a specific indication, that they will be considered cost‑effective by third-party payors,
that coverage or an adequate level of reimbursement will be available, or that third-party payors’ reimbursement policies will not adversely
affect our ability to profitably sell our product candidates if they are approved for sale.

Product liability lawsuits against us could cause us to incur substantial liabilities and limit commercialization of OLINVYK or the
development or commercialization of our other product candidates.

We face an inherent risk of product liability exposure as a result of the commercial sales of OLINVYK in the United States, the
testing of our other product candidates in human clinical trials, and the commercialization of such other product candidates, if approved.
Product liability claims might be brought against us by consumers, healthcare providers, pharmaceutical companies or others selling or
otherwise coming into contact with our products. For example, we may be sued if OLINVYK or any other product we develop allegedly
causes injury or is found to be otherwise unsuitable during clinical testing, manufacturing, marketing or sale. Any such product liability
claims may include allegations of defects in manufacturing, defects in design, a failure to warn of dangers inherent in the product,
negligence, strict liability or a breach of warranties. If we cannot successfully defend ourselves against product liability claims, we will
incur substantial liabilities or be required to limit commercialization of our products. Even a successful defense would require significant
financial and management resources.

Regardless of merit or eventual outcome, liability claims may result in:

decreased demand for any product candidates or products that we may develop;

injury to our reputation and significant negative media attention;

●

●

● withdrawal of clinical trial participants and potential termination of clinical trial sites or entire clinical programs;

●

●

●

●

●

●

●

●

initiation of investigations by regulatory agencies;

significant costs to defend the related litigation;

product recalls, withdrawals or labeling, marketing or promotional restrictions;

substantial monetary awards to trial participants or patients;

loss of revenue;

exhaustion of any available insurance and our capital resources;

reduced resources of our management to pursue our business strategy; and

the inability to commercialize any products that we may develop.

We currently maintain product liability insurance coverage at levels which may not be adequate to cover all liabilities that we may

incur. We may need to increase our insurance coverage as we expand our commercialization

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efforts with respect to OLINVYK and as we conduct additional clinical trials for our other product candidates. We will need to further
increase our insurance coverage if we commence commercialization of any additional product candidates for which we obtain marketing
approval. Insurance coverage is increasingly expensive, and in the future may be difficult to obtain for our products and product candidates.
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. Our
insurance policies also have various exclusions, and we may be subject to a product liability claim for which we have no coverage. A
successful product liability claim or series of claims brought against us could cause our stock price to fall and, if judgments exceed our
insurance coverage, could decrease our cash and adversely affect our business, financial condition, results of operations and prospects.

Concerns around the abuse of opioids, including law enforcement concerns over diversion of opioids and regulatory efforts to combat
abuse, could decrease the potential market for OLINVYK and may adversely impact external investor perceptions of our business.

Prescription drug abuse and the diversion of opioids is a growing concern and has been referred to as an “opioid crisis” in the

United States. Law enforcement and regulatory agencies may apply policies that seek to limit the availability or use of opioids. Such efforts
may inhibit our ability to commercialize our products. Aggressive enforcement and unfavorable publicity regarding the use or misuse of
opioids, including litigation or regulatory activity regarding sales or marketing of opioids, could have a material adverse effect on our
business or reputation. Furthermore, a number of governmental entities have brought separate lawsuits against various pharmaceutical
companies marketing and selling opioid pain medications, alleging misleading or otherwise improper promotion of opioid drugs to
physicians and consumers. These efforts could reduce the potential size of the market for OLINVYK, decrease the revenues we are able to
generate from its sale and adversely impact external investor perceptions of our business.

Many state legislatures and the federal government have enacted legislation intended to reduce opioid abuse. In addition, the FDA,
CDC and HHS each have initiatives to address opioid-related overdose, death and dependence. While these initiatives are generally focused
on prescribing oral opioids in an outpatient settings, some of these initiatives, and any legislation or regulations resulting from these
initiatives, may apply to all opioid drugs, including those like OLINVYK that are administered through an IV in a hospital setting. Many of
these changes and others could cause us to expend additional resources in developing and commercializing our products to meet additional
requirements.

Risks Related to Regulatory Approval of Our Product Candidates

If we are not able to obtain, or if there are delays in obtaining, required regulatory approvals, we will not be able to timely
commercialize, or to commercialize at all, our product candidates, and our ability to generate revenue will be materially impaired.

Our product 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 and other regulatory agencies in the United States and by the European Medicines Agency and
similar regulatory authorities outside the United States. Failure to obtain marketing approval for our product candidates will prevent us
from commercializing these product candidates and will significantly limit our ability to generate revenue in the future.

We have limited resources in filing and supporting the applications necessary to gain marketing approvals, and we have relied and

expect to continue to rely on third parties to assist us in this process. Securing marketing approval requires the submission of extensive
nonclinical and clinical data and supporting information to regulatory authorities for each therapeutic indication to establish the product
candidate’s safety and efficacy. Securing marketing approval also requires the submission of information about the product manufacturing
process to, and inspection of manufacturing facilities by, the regulatory authorities. Our product 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 obtaining marketing approval or prevent or limit commercial use. If any of our product candidates receives marketing approval, the
accompanying label may limit the approved use of our drug 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, may take

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many years if approval is obtained at all, and can vary substantially based upon a variety of factors, including the type, complexity, and
novelty of the product 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 product application, may cause delays in
the approval or rejection of an application.

OLINVYK has been classified as a Schedule II controlled substance under the Controlled Substances Act. The making, use, sale,
importation, exportation and distribution of controlled substances are subject to regulation by state, federal and foreign law
enforcement and other regulatory agencies. We anticipate that TRV734, if approved, would also be classified as a Schedule II controlled
substance under the Federal Controlled Substances Act of 1970.

Controlled substances are subject to state, federal and foreign laws and regulations regarding their manufacture, use, sale,

importation, exportation and distribution. Controlled substances are regulated under the Federal Controlled Substances Act of 1970, or
CSA, and regulations of the DEA.

The DEA regulates controlled substances as Schedule I, II, III, IV or V substances. Schedule I substances by definition have a

high potential for abuse and no established medicinal use and may not be marketed or sold in the United States. A pharmaceutical product
may be listed as Schedule II, III, IV or V, with Schedule II substances considered to present the highest risk of abuse and Schedule V
substances the lowest relative risk of abuse among such substances. The FDA has designated OLINVYK® (oliceridine) injection as a
Schedule II controlled substance. Consequently, the manufacture, shipment, storage, sale, and use of OLINVYK will be subject to a high
degree of regulation.

Various states also independently regulate controlled substances. Though state-controlled substances laws often mirror federal law,

because the states are separate jurisdictions, they may separately schedule drugs as well. While some states automatically schedule a drug
when the DEA does so, in other states there must be rulemaking or a legislative action. State scheduling may delay commercial sale of any
controlled substance drug product for which we obtain federal regulatory approval and adverse scheduling could impair the commercial
attractiveness of such product. We or our collaborators must also obtain separate state registrations in order to be able to obtain, handle and
distribute controlled substances for clinical trials or commercial sale, and failure to meet applicable regulatory requirements could lead to
enforcement and sanctions from the states in addition to those from the DEA or otherwise arising under federal law.

For any of our products classified as controlled substances, we and our suppliers, manufacturers, contractors, customers and
distributors are required to obtain and maintain applicable registrations from state, federal and foreign law enforcement and regulatory
agencies and comply with state, federal and foreign laws and regulations regarding the manufacture, use, sale, importation, exportation and
distribution of controlled substances. There is a risk that DEA regulations may limit the supply of the compounds used in clinical trials for
our product candidates and the ability to produce and distribute our products in the volume needed to both meet commercial demand and
build inventory to mitigate possible supply disruptions.

Regulations associated with controlled substances govern manufacturing, labeling, packaging, testing, dispensing, production and

procurement quotas, recordkeeping, reporting, handling, shipment and disposal. These regulations increase the personnel needs and the
expense associated with development and commercialization of product candidates including controlled substances. The DEA, and some
states, conduct periodic inspections of registered establishments that handle controlled substances. Failure to obtain and maintain required
registrations or comply with any applicable regulations could delay or preclude us from developing and commercializing our product
candidates containing controlled substances and subject us to enforcement action. The DEA may seek civil penalties, refuse to renew
necessary registrations or initiate proceedings to revoke those registrations. In some circumstances, violations could lead to criminal
proceedings. Because of their restrictive nature, these regulations could limit commercialization of any of our product candidates that are
classified as controlled substances.

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Failure to obtain marketing approval in international jurisdictions would prevent our product candidates from being marketed abroad.

To market and sell our products in the European Union, Asia, and many other jurisdictions, we, our current collaborators in South

Korea and China for OLINVYK, or any future third-party collaborators 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 product be approved for reimbursement before the product can be approved for sale in that country. We or our
collaborators 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, the failure
to obtain approval in one jurisdiction may compromise our ability to obtain approval elsewhere. We may not be able to file for marketing
approvals and may not receive necessary approvals to commercialize our products in any market.

OLINVYK and any other product candidate for which we obtain marketing approval could be subject to post-marketing restrictions or
withdrawal from the market and we may be subject to penalties if we fail to comply with regulatory requirements or if we experience
unanticipated problems with our other products, when and if any of them are approved.

Any product candidate for which we obtain marketing approval, along with the manufacturing processes, post‑approval clinical
data, labeling, advertising, and promotional activities for such product, will be subject to ongoing 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, current good manufacturing practice, or 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 product candidate is granted, the approval may be subject to limitations on
the indicated uses for which the product may be marketed or to the conditions of approval, including the requirement to implement a
REMS. If any of our product candidates receives marketing approval, the accompanying label may limit the approved use of our drug,
which could limit sales of the product.

The FDA also may impose requirements for costly post‑marketing studies or clinical trials and surveillance to monitor the safety or

efficacy of the product. 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. However, companies may share truthful and
not misleading information that is otherwise consistent with a product’s FDA approved labeling. The FDA imposes stringent restrictions on
manufacturers’ communications regarding off‑label use and if we do not market our products for only their approved indications, we may
be subject to enforcement action for off‑label marketing. Violations of the Federal Food, Drug, and Cosmetic Act relating to the promotion
of prescription drugs may lead to investigations alleging violations of federal and state healthcare fraud and abuse laws, as well as state
consumer protection laws.

Even though the FDA has granted approval of OLINVYK, the scope and terms of the approval may limit our ability to

commercialize OLINVYK and, therefore, our ability to generate substantial sales revenues. The FDA has approved OLINVYK only for use
in adults for the management of acute pain severe enough to require an intravenous opioid analgesic and for whom alternative treatments
are inadequate. The label for OLINVYK also contains a “boxed” warning about addiction, abuse, misuse, life-threatening respiratory
depression, neonatal opioid withdrawal syndrome, and risks from concomitant use with benzodiazepines or other central nervous system
depressants. This “boxed” warning may discourage physicians from prescribing OLINVYK to patients.

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In addition, later discovery of previously unknown adverse events or other problems with OLINVYK or our other product
candidates, manufacturers or manufacturing processes, or failure to comply with regulatory requirements, may yield various results,
including:

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the need to generate additional clinical data in order to provide information to the FDA to sufficiently address any future concerns
for OLINVYK or other product candidates for which we may obtain regulatory approval;

restrictions on such products, manufacturers or manufacturing processes;

restrictions on the labeling or marketing of a product;

restrictions on product distribution or use;

requirements to conduct post-marketing studies or clinical trials;

● warning letters, untitled letters, or Form 483s;

● withdrawal of the products from the market;

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refusal to approve pending applications or supplements to approved applications that we submit;

recall of products;

fines, restitution or disgorgement of profits or revenue;

suspension or withdrawal of marketing approvals;

refusal to permit the import or export of our products;

product seizure; or

injunctions or the imposition of civil or criminal penalties.

If any of these actions were to occur, we may have to discontinue commercializing OLINVYK, limit our sales and marketing
efforts, conduct further post-approval studies, and/or discontinue or change any other ongoing or planned clinical studies, which in turn
could result in significant expense and delay or limit our ability to generate sales revenues. Moreover, the FDA’s policies may change and
additional government regulations may be enacted that could impose additional post-marketing obligations on any approved products. If we
are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or if we are not able to
maintain regulatory compliance, we may lose any marketing approval that we may have obtained.

Risks Related to the Discovery and Development of Our Product Candidates

We have only one product candidate, OLINVYK, for which we received marketing approval from the FDA. If we are unable to
successfully commercialize or achieve market acceptance of OLINVYK, or if we are unable to complete development of our other
product candidates, or if we experience significant delays in doing so, our business will be materially harmed.

We have only one product, OLINVYK, for which we have received marketing approval by the FDA. To this point, we have
invested substantially all of our efforts and financial resources in the identification and development of biased ligands. Our ability to
generate product revenue will depend heavily on the successful commercialization and market acceptance of OLINVYK and the
development and commercialization, if approved, of our other product

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candidates. The success of OLINVYK and our development-stage product candidates will depend on several factors, including the
following:

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●

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successful completion of nonclinical studies and clinical trials;

receipt of marketing approvals from applicable regulatory authorities;

obtaining, maintaining, and protecting our intellectual property portfolio, including patents and trade secrets, and regulatory
exclusivity for our product candidates;

● making arrangements with third-party manufacturers for, or establishing, commercial manufacturing capabilities;

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deploying our direct sales force and establishing market acceptance of OLINVYK;

launching commercial sales of our other product candidates, if and when approved, whether alone or in collaboration with others;

acceptance of our other product candidates, if and when approved, by patients, the medical community, and third-party payors;

effectively competing with other therapies;

obtaining and maintaining healthcare coverage of our products and adequate reimbursement; and

● maintaining a continued acceptable safety profile of our products following 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 commercialize our product candidates, if approved, which would materially harm our business.

Nonclinical and 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 and commercialization of our
product candidates.

Clinical testing is expensive, can take many years to complete, and has a high risk of failure. It is impossible to predict when or if

any of our additional product candidates will prove effective or safe in humans or will receive regulatory approval. Before obtaining
marketing approval from regulatory authorities for the sale of any product candidate, we must complete nonclinical studies and then
conduct extensive clinical trials to demonstrate the safety and efficacy of our product candidates in humans. A failure of one or more
clinical trials can occur at any stage of testing. The outcome of nonclinical testing and early clinical trials may not be predictive of the
success of later clinical trials, and interim or topline results of a clinical trial do not necessarily predict final results. Moreover, nonclinical
and clinical data often are susceptible to varying interpretations and analyses, and many companies that have believed their product
candidates performed satisfactorily in nonclinical studies and clinical trials have nonetheless failed to obtain marketing approval of their
products. We may experience numerous unforeseen events during, or as a result of, clinical trials, which could delay or prevent our ability to
receive marketing approval or subsequently to commercialize our product candidates, including:

●

regulatory agencies or institutional review boards may not authorize us or our investigators to commence a clinical trial or conduct a
clinical trial at prospective trial sites;

● we may experience delays in reaching, or fail to reach, agreement on acceptable clinical trial contracts or clinical trial protocols with

prospective trial sites;

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clinical trials of our product candidates may produce negative or inconclusive results, and we may decide, or regulatory agencies
may require us, to conduct additional clinical trials or abandon product development programs;

the number of patients required for clinical trials of our product 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 at a higher rate than we
anticipate;

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;

● we may have to suspend or terminate clinical trials of our product candidates for various reasons, including a finding that the

participants are being exposed to unacceptable health risks;

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regulatory agencies or institutional review boards may require that we or our investigators suspend or terminate clinical research 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 product candidates may be greater than we anticipate;

the supply or quality of our product candidates or other materials necessary to conduct clinical trials of our product candidates may
be insufficient or inadequate; and

our product candidates may have undesirable side effects or other unexpected characteristics, causing us or our investigators,
regulatory agencies or institutional review boards to suspend or terminate the trials.

If we are required to conduct additional clinical trials or other testing of our product candidates beyond those that we currently

contemplate, if we are unable to successfully complete clinical trials of our product candidates or other testing, if the results of these trials or
tests are not positive or are only modestly positive or if there are safety concerns, we may:

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be delayed in obtaining marketing approval for our product candidates;

not obtain marketing approval at all;

obtain approval for indications or patient populations that are not as broad as intended or desired;

obtain approval with labeling that includes significant use or distribution restrictions or safety warnings;

be subject to additional post‑marketing testing and/or reporting requirements; or

have the product removed from the market after obtaining marketing approval.

Our product development costs also will increase if we experience delays in testing or in receiving marketing approvals. We do not

know whether any of our nonclinical studies or clinical trials will begin as planned, will need to be restructured or will be completed on
schedule, or at all. Significant nonclinical study or clinical trial delays also could shorten any periods during which we may have the
exclusive right to commercialize our product candidates or allow our competitors to bring products to market before we do and impair our
ability to successfully commercialize our product candidates, thereby harming our business and results of operations.

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We may be unable to obtain regulatory approval for our product candidates under applicable regulatory requirements. The denial or
delay of any such approval would delay commercialization of our product candidates and adversely impact our potential to generate
revenue, our business and our results of operations.

The research, testing, manufacturing, labeling, licensure, sale, marketing and distribution of biopharmaceutical products are

subject to extensive regulation by the FDA and comparable regulatory authorities in the United States and other countries, and such
regulations differ from country to country. We are not permitted to market our product candidates in any jurisdiction until they receive the
requisite marketing approval from the applicable regulatory authorities of such jurisdictions. To gain approval to market our product
candidates, we must provide the FDA and foreign regulatory authorities with nonclinical and clinical data that adequately demonstrate the
safety and efficacy of the product for the intended indication applied for in the applicable regulatory filing. The approval process is
typically lengthy and expensive, and approval is never certain. Our receipt of regulatory approval in the United States for OLINVYK does
not mean that we will be successful in obtaining regulatory approval for our other product candidates or obtaining approval for OLINVYK
in other countries.

The FDA or any foreign regulatory authorities can delay, limit or deny approval of our product candidates for many reasons,

including:

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the FDA or other equivalent foreign regulatory authorities may disagree with the number, design, size, conduct or implementation
of our clinical trials;

our inability to demonstrate to the satisfaction of the FDA or the equivalent foreign regulatory authority that any of our product
candidates is safe and effective for the requested indication;

the results of our clinical trials may not meet the level of statistical significance or clinical meaningfulness required by the FDA or
other equivalent foreign regulatory authorities for marketing approval;

the FDA or other equivalent foreign regulatory authorities may not accept data generated from our clinical trial sites;

the FDA or other equivalent foreign regulatory authorities may find the chemistry, manufacturing and controls data insufficient to
support the quality of our product candidates;

the FDA or other equivalent foreign regulatory authorities may identify deficiencies in the manufacturing processes or facilities of
our CDMOs;

the FDA or equivalent foreign regulatory authorities may not approve the formulation, dosing, labeling or specifications; or

the potential for approval policies or regulations of the FDA or the equivalent foreign regulatory authorities to significantly change
in a manner rendering our clinical data insufficient for approval.

Any of these factors, many of which are beyond our control, may result in our failing to obtain regulatory approval to market any

of our other product candidates or approval of OLINVYK in foreign countries, which could materially adversely affect our business,
financial condition, results of operations and prospects.

If we experience delays or difficulties in the enrollment of patients in clinical trials, our receipt of necessary regulatory approvals could
be delayed or prevented.

We may not be able to initiate or continue clinical trials for our product 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.
Some of our competitors have ongoing clinical trials for product candidates that treat the same indications as our product candidates, and
patients who would otherwise be eligible for our

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clinical trials may instead enroll in clinical trials of our competitors' product candidates. Patient enrollment is affected by other factors
including:

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the severity of the disease under investigation;

our ability to recruit clinical trial investigators with appropriate competencies and experience;

the eligibility criteria for the study in question;

the size of the patient population required for analysis of the trial’s primary endpoints;

the perceived risks and benefits of the product candidate under study;

availability and efficacy of approved medications for the disease under investigation;

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

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

These factors can be exacerbated by other situations, such as the COVID-19 pandemic and the efforts to mitigate it. Our inability

to enroll a sufficient number of patients for our clinical trials would result in significant delays and could require us to abandon one or more
clinical trials altogether. Enrollment delays in our clinical trials may result in increased development costs for our product candidates, which
would cause the value of our company to decline and limit our ability to obtain additional financing.

If serious adverse or unacceptable side effects are identified during the development of our product candidates or following their
approval by the FDA or foreign regulatory authorities, we may need to abandon or limit our development of some of our product
candidates, limit the commercial profile of an approved label, or it may result in significant negative consequences following marketing
approval, if any.

If our product candidates are associated with adverse side effects in clinical trials or have characteristics that are unexpected, we

may need to abandon their development or limit development to more narrow uses or subpopulations in which the side effects or other
characteristics are less prevalent, less severe, or more acceptable from a risk-benefit perspective. In our industry, many compounds that
initially showed promise in early-stage testing have later been found to cause side effects that prevented further development of the
compound or significantly limited its commercial opportunity.

OLINVYK and TRV734 are both biased ligands targeted at the MOR. Common adverse reactions for agonists of the MOR

include respiratory depression, constipation, nausea, vomiting, and addiction. In rare cases, MOR agonists can cause respiratory arrest
requiring immediate medical intervention. The label for OLINVYK contains a “boxed” warning about addiction, abuse, misuse, life-
threatening respiratory depression, neonatal opioid withdrawal syndrome, and risks from concomitant use with benzodiazepines or other
central nervous system depressants. This “boxed” warning may discourage physicians from prescribing OLINVYK to patients.

If our clinical trials reveal a high and unacceptable severity and prevalence of side effects, these trials could be suspended or

terminated, and the FDA or comparable foreign regulatory authorities could order us to cease further development or deny approval of our
product candidates for any or all targeted indications. Drug related side effects could affect patient recruitment or the ability of enrolled
patients to complete the trial and could result in potential product liability claims.

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Additionally, if we or others later identify undesirable side effects caused by OLINVYK or one or more of our other product

candidates for which we may obtain marketing approval, a number of potentially significant negative consequences could result, including:

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regulatory authorities may require additional warnings on the label or even withdraw approvals of such product;

● we may be required to recall a product or change the way such product is administered to patients;

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regulatory authorities may require additional warnings on the label, such as a “black box” warning or a contraindication, or issue
safety alerts, press releases or other communications containing warnings or other safety information about the product;

● we may be required to implement a REMS, or create a medication guide outlining the risks of such side effects for distribution to

patients, if one is not required in connection with regulatory approval;

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additional restrictions may be imposed on the marketing or promotion of the particular product or the manufacturing processes for
the product or any component thereof;

● we could be sued and held liable for harm caused to patients; and

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our reputation may suffer.

Any of these events could prevent us from achieving or maintaining market acceptance of the particular product candidate, if

approved, and could significantly harm our business, results of operations and prospects.

We may not be successful in our efforts to expand our pipeline of product candidates.

One element of our strategy has been to expand our pipeline of therapeutics based on biased ligands and advance these product

candidates through clinical development for the treatment of a variety of indications. Although we continue to assess the future development
of our pipeline, without internal discovery research capabilities, we will need to expand our pipeline through other means, including, for
example, by in-licensing product candidates for further development. We may not be able to identify, acquire, and develop product
candidates that are safe and effective. Even if we are successful in continuing to expand our pipeline, the potential product candidates that
we identify or in-license 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 receive marketing approval and achieve market acceptance. If we do not
successfully develop and commercialize product candidates, we will not be able to obtain product revenue in future periods, which would
make it unlikely that we would ever achieve profitability.

We may expend our limited resources to pursue a particular product candidate or indication and thereby fail to capitalize on other
product candidates or indications that may be more profitable or for which there is a greater likelihood of success.

Because we have limited financial and managerial resources, we focus on research programs and product candidates that we

identify for specific indications. As a result, we may forego or delay pursuit of opportunities with other product candidates that later prove
to have fewer clinical or regulatory risks and/or greater commercial potential. Our resource allocation decisions may cause us to fail to
capitalize on viable commercial products or profitable market opportunities. Our spending on current and future research and development
programs and product candidates for specific indications may not yield any commercially viable products. If we do not accurately evaluate
the commercial potential or target market for a particular product candidate, we may relinquish valuable rights to that product candidate
through collaboration, licensing or other royalty arrangements in cases in which it would have been more advantageous for us to retain sole
development and commercialization rights to such product candidate.

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In the future, we may conduct a substantial portion of the clinical trials for our product candidates outside of the United States and, if
approved, we may seek to market our product candidates abroad through third-party collaborators. Accordingly, we will be subject to
the risks of doing business outside of the United States.

In the future, we may conduct a substantial portion of our clinical trials outside of the United States and we may seek to market

OLIVNYK and any other product candidates for which we obtain approval outside of the United States. We are thus subject to risks
associated with doing business outside of the United States. With respect to OLIVNYK and our other product candidates, we may choose to
partner with third parties that have direct sales forces and established distribution systems, in lieu of our own sales force and distribution
systems, which would indirectly expose us to these risks. Our business and financial results in the future could be adversely affected due to
a variety of factors associated with conducting development and marketing of our product candidates, if approved, outside of the United
States, including:

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efforts to develop an international sales, marketing and distribution organization may increase our expenses, divert our
management’s attention from the development of product candidates or cause us to forgo other profitable licensing opportunities in
these geographies;

changes in a specific country’s or region’s political and cultural climate or economic condition;

unexpected changes in foreign laws and regulatory requirements;

difficulty of effective enforcement of contractual provisions in local jurisdictions;

inadequate intellectual property protection in foreign countries;

differing payor reimbursement regimes, governmental payors or patient self-pay systems and price controls;

trade protection measures, import or export licensing requirements such as Export Administration Regulations promulgated by the
U.S. Department of Commerce and fines, penalties or suspension or revocation of export privileges;

regulations under the U.S. Foreign Corrupt Practices Act and similar foreign anti-corruption laws;

the effects of applicable foreign tax structures and potentially adverse tax consequences; and

significant adverse changes in foreign currency exchange rates which could make the cost of our clinical trials, to the extent
conducted outside of the United States, more expensive.

Risks Related to Our Dependence on Third Parties

Our current collaborators are, and any future relationships or collaborations we may enter into may be, important to us. If we are
unable to maintain our relationship with any of these collaborations, or if our relationship with these collaborators is not successful,
our business could be adversely affected.

We have limited capabilities for product development, sales, marketing, and distribution. As a result, we may in the future

determine to collaborate with pharmaceutical and biotechnology companies for the development and potential commercialization of these
candidates or for the commercialization of OLINVYK in certain territories outside of the United States, if approved in those jurisdictions.
For example, we entered into license agreements with partners in South Korea and China in 2018 whereby these parties will develop, seek
regulatory approval for, and, if successful, commercialize OLINVYK. We face significant competition in seeking appropriate collaborators.
Our ability to reach a definitive agreement for collaboration will depend, among other things, upon our assessment of the collaborator’s
resources and expertise, the terms and conditions of the proposed collaboration, and the proposed collaborator’s evaluation of a number of
factors. If we are unable to reach agreements with suitable collaborators on a timely basis, on

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acceptable terms, or at all, we may have to curtail the development of a product candidate, reduce or delay its development program or one
or more of our other development programs, delay its potential commercialization or reduce the scope of any sales or marketing activities,
or increase our expenditures and undertake development or commercialization activities at our own expense. If we elect to fund and
undertake development or commercialization activities on our own, we may need to obtain additional expertise and additional capital,
which may not be available to us on acceptable terms or at all. If we fail to enter into collaborations and do not have sufficient funds or
expertise to undertake the necessary development and commercialization activities, we may not be able to further develop our product
candidates or bring them to market or continue to develop our product platform and our business may be materially and adversely affected.

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Any future collaborations we might enter into with third parties, may pose a number of risks, including the following:

collaborators have significant discretion in determining the efforts and resources that they will apply to these collaborations;

collaborators may not perform their obligations as expected;

collaborators may elect not to continue development or commercialization programs or may not pursue commercialization of any
product candidates that achieve regulatory approval based on clinical trial results, changes in the collaborators’ strategic focus or
available funding, or external factors, such as an acquisition, that divert resources or create competing priorities;

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

collaborators could fail to make timely regulatory submissions for a product candidate;

collaborators may not comply with all applicable regulatory requirements or may fail to report safety data in accordance with all
applicable regulatory requirements;

collaborators could independently develop, or develop with third parties, products that compete directly or indirectly with our
products or product candidates if the collaborators believe that competitive products are more likely to be successfully developed or
can be commercialized under terms that are more economically attractive than ours;

product candidates discovered in collaboration with us may be viewed by our collaborators as competitive with their own product
candidates or products, which may cause collaborators to limit or eliminate efforts and resources to the commercialization of our
product candidates;

a collaborator with marketing and distribution rights to one or more of our product candidates that achieve regulatory approval may
not commit sufficient resources to the marketing and distribution of such product or products;

disagreements with collaborators, including disagreements over proprietary rights, contract interpretation, or the preferred course of
development, might cause delays or termination of the research, development or commercialization of product candidates, might
lead to additional responsibilities for us with respect to product candidates, or might result in litigation or arbitration, any of which
would be time-consuming and expensive;

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

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collaborators may infringe the intellectual property rights of third parties, which may expose us to litigation and potential liability;

collaborations may be terminated at the convenience of the collaborator and, if terminated, we could be required to raise additional
capital to pursue further development or commercialization of the applicable product candidates; and

collaborators may be affected by political instability or instability from a regional or global pandemic disease, such as the recent
coronavirus outbreak.

If any collaborations we might enter into in the future do not result in the successful development and commercialization of

products or if one of our collaborators terminates its agreement with us, we may not receive any future research funding or milestone or
royalty payments under the collaboration. If we do not receive the funding we expect under these agreements, our development of our
product platform and product candidates could be delayed and we may need additional resources to develop our product candidates and our
product platform. The risks relating to our product development, regulatory approval and commercialization described in this Annual
Report also apply to the activities of our therapeutic program collaborators.

If a future collaborator of ours is involved in a business combination, the collaborator might deemphasize or terminate
development or commercialization of any product candidate licensed to it by us. If one of our collaborators terminates its agreement with
us, we may find it more difficult to attract new collaborators and our reputation in the business and financial communities could be
adversely affected.

We rely, and expect to continue to rely, on third parties to conduct our nonclinical studies and clinical trials, and those third parties may
not perform satisfactorily, including failing to meet deadlines for the completion of such trials or complying with applicable regulatory
requirements.

We rely on third parties, such as contract research organizations, clinical research organizations, clinical data management
organizations, medical institutions, and clinical investigators to conduct our nonclinical studies and clinical trials for our product candidates.
The agreements with these third parties might terminate for a variety of reasons, including a failure to perform by the third parties. If we
need to enter into alternative arrangements, that could delay our product development activities. Some of these third parties may experience
shutdowns or other disruptions as a result of the COVID-19 pandemic, including, but not limited to, the ability to adequately staff a project
or effectively and expeditiously enroll patients in a clinical study, and therefore may be unable to provide the level of service that we
received in the past.

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 nonclinical studies and clinical trials
are conducted in accordance with the general investigational plan and protocols for the trial and for ensuring that our nonclinical studies are
conducted in accordance with GLP, as appropriate. Moreover, the FDA requires us to comply with standards, commonly referred to as
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. Regulatory authorities enforce these requirements through
periodic inspections of trial sponsors, clinical investigators, and trial sites. If we or any of our clinical research organizations 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 our 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 product produced under cGMP regulations. Our failure to
comply with these regulations may require us to repeat clinical trials, which would delay the regulatory approval process. We also are
required to register certain clinical trials and post the results of these clinical trials when completed on a government-sponsored public
database, ClinicalTrials.gov, within specified timeframes. Failure to do so can result in fines, adverse publicity and civil and criminal
sanctions.

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The third parties with whom we have contracted to help perform our nonclinical studies or clinical trials also may have
relationships with other entities, some of which may be our competitors. If these third parties do not successfully carry out their contractual
duties, meet expected deadlines, or conduct our nonclinical studies or clinical trials in accordance with regulatory requirements or our stated
protocols, we will not be able to obtain, or may be delayed in obtaining, marketing approvals for our product candidates and will not be
able to, or may be delayed in our efforts to, successfully commercialize our product candidates.

If any of our relationships with these third-party contract research organizations or clinical research organizations terminate, we

may not be able to enter into arrangements with alternative contract research organizations or clinical research organizations or to do so on
commercially reasonable terms. Switching or adding additional contract research organizations or clinical research organizations involves
additional cost and requires management time and focus. In addition, there is a natural transition period when a new contract research
organization or clinical research organization commences work. As a result, delays could occur that could compromise our ability to meet
our desired development timelines. Although we seek to carefully manage our relationships with our contract research organizations and
clinical research organizations, there can be no assurance that we will not encounter similar challenges or delays in the future.

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

We have no internal manufacturing capabilities and do not have any manufacturing facilities. We rely, and expect to continue to

rely, on third parties for the manufacture of commercial supply of OLINVYK and the manufacture of supply of our other product
candidates for nonclinical and clinical testing, as well as for commercial manufacture, if any of such other product candidates receive
marketing approval. This reliance on third parties increases the risk that we will not have sufficient quantities of OLINVYK or our other
product candidates or such quantities at an acceptable cost or quality, which could delay, prevent or impair our development or
commercialization efforts.

We also expect to rely on third-party manufacturers or third-party collaborators for the manufacture of commercial supply of any
other product candidates for which our collaborators or we obtain marketing approval. We may be unable to establish any agreements with
third-party manufacturers or to do so on acceptable terms.

Our reliance on third-party manufacturers for commercial supply of OLINVYK and for any additional product candidates for

which we obtain regulatory approval entails additional risks, including:

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reliance on the third party for regulatory compliance and quality assurance;

the possible breach of the manufacturing agreement by the third party;

limitations on supply availability resulting from capacity and scheduling constraints of the third parties;

● manufacturing delays if our third-party manufacturers give greater priority to the supply of other products over our product

candidates or otherwise do not satisfactorily perform according to the terms of the agreement between us;

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the possible misappropriation of our proprietary information, including our trade secrets and know-how;

impact on our reputation in the marketplace if manufacturers of our products, once commercialized, fail to meet the demands of our
customers; and

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the possible termination or nonrenewal of the agreement by the third party at a time that is costly or inconvenient for us.

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The failure of any of our contract manufacturers to maintain high manufacturing standards could result in injury or death of clinical

trial participants or patients using products. Such failure could also result in product liability claims, product recalls, product seizures or
withdrawals, delays or failures in testing or delivery, cost overruns or other problems that could seriously harm our business or profitability.

The facilities used by our contract manufacturers to manufacture our product candidates (and commercial supply of those product
candidates, if approved) must be approved by the FDA pursuant to inspections that will be conducted after we submit an NDA to the FDA.
We do not control the manufacturing process of, and are completely dependent on, our contract manufacturers for compliance with current
cGMP regulations for manufacture of our product candidates. These regulations cover all aspects of the manufacturing, testing, quality
control and recordkeeping relating to our product candidates and any products that we may commercialize. Third-party manufacturers may
not be able to comply with the 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 product
candidates or products, operating restrictions and criminal prosecutions, any of which could significantly and adversely affect supplies of
our products.

OLINVYK and our other product candidates that we may commercialize, if approved, may compete with other product candidates

and products 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. We do not currently have arrangements in place for redundant supply or a second source for
bulk drug substance or drug product. 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 replacement manufacturers.

The DEA restricts the importation of a controlled substance finished drug product when the same substance is commercially
available in the United States, which could reduce the number of potential alternative manufacturers for OLINVYK or our other MOR
targeted product candidates. In addition, a DEA quota system controls and limits the availability and production of controlled substances
and the DEA also has authority to grant or deny requests for quota of controlled substances, which includes the active ingredient in
OLINVYK. Supply disruptions could result from delays in obtaining DEA approvals for controlled substances or from the receipt of quota
of controlled substances that are insufficient to meet future product demand. The quota system also may limit our ability to build inventory
as a method for mitigating possible supply disruptions of OLINVYK.

Our current and anticipated future dependence upon others for the manufacture of our product candidates or products may

adversely affect our future profit margins and our ability to commercialize any products that receive marketing approval on a timely and
competitive basis.

We also expect to 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 product candidates or commercialization of our
products, producing additional losses and depriving us of potential product revenue.

Materials necessary to manufacture our product or product candidates may not be available on commercially reasonable terms, or at
all, which may delay the development and commercialization of our product or product candidates.

We currently rely on the manufacturers of our product and product candidates to purchase from third-party suppliers the materials
necessary to produce the compounds for our nonclinical studies and clinical trials, and we rely, or will rely, on these other manufacturers for
commercial distribution of OLINVYK and any other products for which we may obtain regulatory approval. Suppliers may not sell these
materials to our manufacturers at the time we need them or on commercially reasonable terms and all such prices are susceptible to
fluctuations in price and availability due to transportation costs, government regulations, price controls and changes in economic climate or
other foreseen circumstances. We do not have any control over the process or timing of the acquisition of these materials by our

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manufacturers. We may enter into agreements to purchase certain materials and provide them to our manufacturers, with all the risks and
uncertainties of supply associated with those purchases. If we or our manufacturers are unable to obtain these materials for our nonclinical
studies and clinical trials, product testing and potential regulatory approval of our product candidates would be delayed, significantly
impacting our ability to develop and commercialize our product candidates. If our manufacturers or we are unable to purchase these
materials for commercial distribution of our product or, after regulatory approval has been obtained, our product candidates, the
commercial launch of our product and product candidates, if approved, would be delayed or there would be a shortage in supply, which
would materially affect our ability to generate revenues from the sale of our product or product candidates.

We rely on clinical data and results obtained by third parties that could ultimately prove to be inaccurate or unreliable.

As part of our strategy to mitigate development risk, we seek to develop product candidates with validated mechanisms of action

and we utilize biomarkers to assess potential clinical efficacy early in the development process. This strategy necessarily relies upon clinical
data and other results obtained by third parties that may ultimately prove to be inaccurate or unreliable. Further, such clinical data and
results may be based on products or product candidates that are significantly different from our product candidates. If the third-party data
and results we rely upon prove to be inaccurate, unreliable or not applicable to our product candidates, we could make inaccurate
assumptions and conclusions about our product candidates and our research and development efforts could be compromised.

Risks Related to Our Intellectual Property

If we are unable to obtain and maintain patent protection for our technology and products or if the scope of the patent protection
obtained is not sufficiently broad, our competitors could develop and commercialize technology and products similar or identical to ours,
and our ability to successfully commercialize our technology and products 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 product candidates. We seek to protect our proprietary position by filing patent applications in the United States and
abroad related to our product candidates.

The patent prosecution process is expensive and time-consuming, 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 research and development output before it is too late to obtain patent protection. Should we enter into collaborations with third parties,
we may be required to consult with or cede control to collaborators regarding the prosecution, maintenance and enforcement of our patents.
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. For example, European patent law restricts the patentability of methods of
treatment of the human body more than United States 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 a
first filing, or in some cases at all. Therefore, we cannot know with certainty whether we were the first to make the inventions claimed in
our owned or licensed patents or pending patent applications, or that we 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 which protect our technology or products, in whole or in part, or which effectively
prevent others from commercializing competitive technologies and products. 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.

The Leahy-Smith America Invents Act, or the Leahy-Smith Act, could increase the uncertainties and costs surrounding the

prosecution of our patent applications and the enforcement or defense of our issued patents. On

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September 16, 2011, the Leahy-Smith Act was signed into law. The Leahy-Smith Act includes a number of significant changes to United
States patent law. These include provisions that affect the way patent applications are prosecuted and may also affect patent litigation. The
United States Patent and Trademark Office continues to develop and implement new regulations and procedures to govern administration of
the Leahy-Smith Act, and many of the substantive changes to patent law associated with the Leahy-Smith Act, and in particular, the first to
file provisions, only became effective on March 16, 2013. Accordingly, it is not clear what, if any, impact the Leahy-Smith Act will have on
the operation of our business. However, the Leahy-Smith Act and its implementation could increase the uncertainties and costs surrounding
the prosecution of our patent applications and the enforcement or defense of our issued patents, all of which could have a material adverse
effect on our business and financial condition.

Moreover, we may be subject to a third-party preissuance submission of prior art to the United States Patent and Trademark

Office, 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, render unenforceable, or invalidate, our patent rights, allow third parties to commercialize our technology or products
and compete directly with us, without payment to us, or result in our inability to manufacture or commercialize products without infringing
third-party patent rights. In addition, if the breadth or strength of protection provided by our patents and patent applications is threatened, it
could dissuade companies from collaborating with us to license, develop or commercialize current or future product candidates.

Even if our patent applications 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 otherwise provide us with any competitive advantage. Our competitors may be able to
circumvent our owned or licensed patents by developing similar or alternative technologies or products in a non-infringing manner.

The issuance of a patent does not foreclose challenges to its inventorship, scope, validity or enforceability. Therefore, our owned

and licensed 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 our ability to stop others from using or commercializing similar or identical technology and products, or limit the duration of the
patent protection of our technology and products. Given the amount of time required for the development, testing and regulatory review of
new product candidates, patents protecting such product candidates might expire before or shortly after such product candidates are
commercialized. As a result, our owned and licensed patent portfolio may not provide us with sufficient rights to exclude others from
commercializing products 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.

Competitors may infringe our issued patents or other intellectual property. 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. In addition, in a patent infringement
proceeding, a court 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 in question. An
adverse result in any litigation proceeding could put one or more of our patents at risk of being invalidated, rendered unenforceable, or
interpreted narrowly.

We may need to license certain 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 of our

products. It may be necessary for us to use the patented or proprietary technology of third parties to commercialize our products, in which
case we would be required to obtain a license from these third parties on commercially reasonable terms, or our business could be harmed,
possibly materially.

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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 commercial success depends upon our ability, and the ability of our collaborators, to develop, manufacture, market and sell

our product candidates and use our proprietary technologies 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 products and technology, including
interference or derivation proceedings before the United States Patent and Trademark Office. Third parties may assert infringement claims
against us based on existing patents or patents that may be granted in the future.

If we are found to infringe a third party’s intellectual property rights, we could be required to obtain a license from such third party

to continue developing and marketing our products and technology. However, we may not be able to obtain any required license on
commercially reasonable terms or at all. Even if we were able to obtain a license, it could be non‑exclusive, thereby giving our competitors
access to the same technologies licensed to us. We could be forced, including by court order, to cease commercializing the infringing
technology or product. In addition, we could be found liable for monetary damages, including treble damages and attorneys’ fees if we are
found to have willfully infringed a patent. A finding of infringement could prevent us from commercializing our product candidates or
force us to cease some of our business operations, which could materially harm our business. Claims that we have misappropriated the
confidential information or trade secrets of third parties could have a similar negative impact on our business.

If we fail to comply with our obligations in our intellectual property licenses and funding arrangements with third parties, we could lose
rights that are important to our business.

We are currently party to license agreements for technologies that we use in conducting our drug discovery activities. In the future,

we may become party to licenses that are important for product development and commercialization. If we fail to comply with our
obligations under current or future license and funding agreements, our counterparties may have the right to terminate these agreements, in
which event we might not be able to develop, manufacture or market any product or utilize any technology that is covered by these
agreements or may face other penalties under the agreements. Such an occurrence could materially and adversely affect the value of a
product candidate being developed under any such agreement or could restrict our drug discovery activities. Termination of these
agreements or reduction or elimination of our rights under these agreements may result in our having to negotiate new or reinstated
agreements with less favorable terms, or cause us to lose our rights under these agreements, including our rights to important intellectual
property or technology.

We may be subject to claims by third parties asserting that our employees or we have misappropriated their intellectual property, or
claiming ownership of what we regard as our own intellectual property.

Many of our employees were previously employed at universities or other biotechnology or pharmaceutical companies, including

our competitors or potential competitors. Although we try to ensure that our employees do not use the proprietary information or know‑how
of others in their work for us, we may be subject to claims that these employees or we have used or disclosed intellectual property,
including trade secrets or 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.

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If we 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 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 or any future
sales, marketing or distribution 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. Uncertainties resulting from the initiation and continuation of patent litigation or other proceedings
could compromise our ability to compete in the marketplace.

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

In addition to seeking patent protection for our product candidates, we rely on trade secrets, including unpatented know-how,

technology and other proprietary information, to maintain our competitive position. We limit disclosure of such trade secrets where
possible, but we also seek to protect these trade secrets, in part, by entering into non‑disclosure and confidentiality agreements with parties
who do 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.

Risks Related to Legal Compliance Matters

Our current and future relationships with customers and third-party payors in the United States and elsewhere may be subject, directly
or indirectly, to applicable anti‑kickback, fraud and abuse, false claims, transparency, health information privacy and security and other
healthcare laws and regulations, which could expose us to criminal sanctions, civil penalties, contractual damages, reputational harm,
administrative burdens and diminished profits and future earnings.

Healthcare providers, physicians and third-party payors in the United States and elsewhere will play a primary role in the
recommendation and prescription of OLINVYK and any other product candidates for which we obtain marketing approval. Our current and
future arrangements with healthcare providers, third-party payors, and customers may expose us to broadly applicable fraud and abuse and
other healthcare laws and regulations, including, without limitation, the federal Anti‑Kickback Statute and the federal False Claims Act,
which may constrain the business or financial arrangements and relationships through which we conduct research, sell, market, and
distribute OLINVYK and any other drugs for which we obtain marketing approval. In addition, we may be subject to transparency laws and
patient privacy regulation by U.S. federal and state governments and by governments in foreign jurisdictions in which we

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conduct our business. The applicable federal, state and foreign healthcare laws and regulations that may affect our ability to operate
include:

●

●

●

the federal Anti-Kickback Statute, which prohibits, among other things, persons 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 healthcare programs, such as Medicare and Medicaid;

federal civil and criminal false claims laws and civil monetary penalty laws, including the federal False Claims Act which can be
enforced by individuals, on behalf of the government, through civil whistleblower or qui tam actions, and civil monetary penalty
laws prohibit individuals or entities from, among other things, 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;

the federal Health Insurance Portability and Accountability Act of 1996, or HIPAA, which imposes, among other things, criminal
and civil liability for executing a scheme to defraud any healthcare benefit program or making false statements relating to healthcare
matters;

● HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act of 2009, or HITECH, and their
respective implementing regulations, which impose, among other things, obligations on certain healthcare providers, health plans,
and healthcare clearinghouses, known as covered entities, as well as their business associates that create, receive, maintain or
transmit individually identifiable health information for or on behalf of a covered entity, with respect to safeguarding the privacy,
security and transmission of individually identifiable health information;

●

●

●

the federal Physician Payments Sunshine Act, also known as Open Payments program, which requires manufacturers of drugs,
devices, biologics and medical supplies for which payment is available under Medicare, Medicaid or the Children’s Health
Insurance Program, with specific exceptions, to report annually to the Centers for Medicare & Medicaid Services, or CMS,
information related to “payments or other transfers of value” made to physicians, which is defined to include doctors, dentists,
optometrists, podiatrists and chiropractors, and teaching hospitals and applicable manufacturers and applicable group purchasing
organizations to report annually to CMS ownership and investment interests held by physicians and their immediate family
members. Beginning in 2022, applicable manufacturers are also required to report such information regarding payments and
transfers of value provided, as well as ownership and investment interests held, during the previous year to physician assistants,
nurse practitioners, clinical nurse specialists, certified nurse anesthetists and certified nurse-midwives; and

the Foreign Corrupt Practices Act, or FCPA, which prohibits any U.S. individual or business from paying, offering, or authorizing
payment or offering of anything of value, directly or indirectly, to any foreign official, political party or candidate for the purpose of
influencing any act or decision of the foreign entity in order to assist the individual or business in obtaining or retaining business;
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 healthcare 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 healthcare providers; state and foreign laws that require drug manufacturers to
report information related to payments and other transfers of value to physicians and other healthcare providers, marketing
expenditures, or drug pricing; state and local laws that require the registration of pharmaceutical sales representatives; and state and
foreign laws, such as the General Data Protection Regulation (EU) 2016/679, governing the privacy and security of health
information in certain circumstances, many of which

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differ from each other in significant ways and often are not preempted by HIPAA, thus complicating compliance efforts.

Efforts to ensure that our business arrangements with third parties will comply with applicable healthcare laws and regulations
may involve substantial costs. It is possible that governmental authorities will conclude that our business practices may not comply with
current or future statutes, regulations or case law involving applicable fraud and abuse or other healthcare laws and regulations. If our
operations are found to be in violation of any of these laws or any other governmental regulations that may apply to us, we may be subject
to significant civil, criminal and administrative penalties, including, without limitation, damages, fines, disgorgement, imprisonment,
exclusion from participation in government healthcare programs, such as Medicare and Medicaid, integrity oversight and reporting
obligations to resolve allegations of non-compliance with these laws, and the curtailment or restructuring of our operations, which could
have a material adverse effect on our business. If any of the physicians or other healthcare providers or entities with whom we expect to do
business, including our collaborators, 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 healthcare programs, which also could materially affect
our business.

Healthcare reform measures may increase the difficulty and cost for us to successfully commercialize our product and product
candidates, if approved, and affect the prices we may obtain.

The United States and many foreign jurisdictions have enacted or proposed legislative and regulatory changes affecting the
healthcare system that could restrict or regulate post-approval activities relating to our product and product candidates, if approved,
including implementing cost-containment programs to limit the growth of government-paid healthcare costs, including price controls,
restrictions on reimbursement and requirements for substitution of generic products for branded prescription drugs.

The Affordable Care Act was intended to broaden access to health insurance, reduce or constrain the growth of healthcare

spending, enhance remedies against fraud and abuse, add transparency requirements for the healthcare and health insurance industries,
impose new taxes and fees on the health industry and impose additional health policy reforms.

Among the provisions of the Affordable Care Act that have been implemented since enactment and are of importance to the

successful commercialization of a pharmaceutical product are the following:

●

●

●

●

●

●

an annual, nondeductible fee on any entity that manufactures, or imports specified branded prescription drugs or biologic agents;

an increase in the statutory minimum rebates a manufacturer must pay under the Medicaid Drug Rebate Program;

expansion of healthcare fraud and abuse laws, including the U.S. civil False Claims Act and the Anti-Kickback Statute, new
government investigative powers, and enhanced penalties for noncompliance;

a Medicare Part D coverage gap discount program, in which manufacturers must agree to offer 50% point-of-sale discounts off
negotiated prices of applicable brand drugs to eligible beneficiaries during their coverage gap period, as a condition for a
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;

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;

●

expansion of eligibility criteria for Medicaid programs;

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●

●

●

●

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

requirements to report certain financial arrangements with physicians and teaching hospitals;

a requirement to annually report certain information regarding drug samples that manufacturers and distributors provide to
physicians; and

a new 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 significant ongoing judicial, administrative, executive and legislative efforts to modify or eliminate the
Affordable Care Act. For example, the Tax Act enacted on December 22, 2017, repealed the shared responsibility payment for individuals
who fail to maintain minimum essential coverage under section 5000A of the Internal Revenue Code, commonly referred to as the
individual mandate. Other legislative changes have been proposed and adopted since passage of the Affordable Care Act. The Budget
Control Act of 2011, among other things, created the Joint Select Committee on Deficit Reduction to recommend proposals in spending
reductions to Congress. The Joint Select Committee did not achieve its targeted deficit reduction of an amount greater than $1.2 trillion for
the fiscal years 2012 through 2021, triggering the legislation’s automatic reductions to several government programs. These reductions
included aggregate reductions to Medicare payments to healthcare providers of up to 2.0% per fiscal year, which went into effect in April
2013. Subsequent litigation extended the 2% reduction, on average, to 2030 unless additional Congressional action is taken. The
Coronavirus Aid, Relief and Economic Security Act, or the CARES Act, which was designed to provide financial support and resources to
individuals and businesses affected by the COVID-19 pandemic, suspended the 2% Medicare sequester from May 1, 2020 to March 31,
2022. As of July 2, 2022, the 2% sequester resumed. The sequester will remain in place through 2030. On January 2, 2013, the American
Taxpayer Relief Act was signed into law, which, among other things, reduced Medicare payments to several types of providers, including
hospitals, imaging centers and cancer treatment centers, and increased the statute of limitations period for the government to recover
overpayments to providers from three to five years.

The Affordable Care Act has also been subject to challenges in the courts. On December 14, 2018, a Texas U.S. District Court

Judge ruled that the Affordable Care Act is unconstitutional in its entirety because the “individual mandate” was repealed by Congress. On
December 18, 2019, the Fifth Circuit U.S. Court of Appeals held that the individual mandate is unconstitutional and remanded the case to
the Texas District Court to reconsider its earlier invalidation of the entire Affordable Care Act. On June 17, 2021, the Supreme Court ruled
that the plaintiffs lacked standing to challenge the law as they had not alleged personal injury traceable to the allegedly unlawful conduct.
As a result, the Supreme Court did not rule on the constitutionality of the ACA or any of its provisions. Further changes to and under the
Affordable Care Act remain possible but it is unknown what form any such changes or any law proposed to replace or revise the Affordable
Care Act would take, and how or whether it may affect our business in the future. We expect that changes to the Affordable Care Act, the
Medicare and Medicaid programs, changes allowing the federal government to directly negotiate drug prices and changes stemming from
other healthcare reform measures, especially with regard to healthcare access, financing or other legislation in individual states, could have
a material adverse effect on the healthcare industry.

We expect that the Affordable Care Act, as well as other healthcare reform measures that have and may be adopted in the future,
may result in more rigorous coverage criteria and in additional downward pressure on the price that we receive for our product and product
candidates, if approved, and could seriously harm our future revenues. Any reduction in reimbursement from Medicare, Medicaid, or other
government programs may result in a similar reduction in payments from private payers. The implementation of cost containment measures
or other healthcare reforms may prevent us from being able to generate revenue, attain profitability or successfully commercialize our
product and product candidates, if approved.

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

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 product. To obtain coverage and reimbursement or pricing approval in some countries, we may be required to
conduct a clinical trial that compares the cost-effectiveness of our product candidate to other available therapies. If reimbursement of our
products is unavailable or limited in scope or amount, or if pricing is set at unsatisfactory levels, our business could be harmed, possibly
materially.

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 research, development or production efforts. Our failure to comply
with these laws and regulations also may result in substantial fines, penalties, or other sanctions.

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 development, clinical, business development, legal, financial, and commercial expertise of our

executive officers. Although we have entered into employment agreements with these individuals, each of them may terminate their
employment with us at any time. We do not maintain “key person” insurance for any of our executives or other employees.

Recruiting and retaining qualified management, scientific, clinical, manufacturing, sales and marketing, and other personnel also

will be critical to our success. The loss of the services of our executive officers or other key employees or consultants could impede the
achievement of our development and commercialization objectives and seriously harm our ability to successfully implement our business
strategy. Furthermore, replacing executive officers and key employees or consultants 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,
gain regulatory approval of and commercialize products. 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, clinical, and commercial advisors, to

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assist us in formulating our development and commercialization strategy. Our consultants and advisors may be employed by employers
other than us and may have commitments under 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.

In the future, we may expand our development, regulatory, manufacturing, sales, marketing, and distribution capabilities, and as a
result, we may encounter difficulties in managing our growth, which could disrupt our operations.

In the future, we may experience growth in the number of our employees and the scope of our operations, particularly in the areas
of drug development, regulatory affairs, manufacturing, sales, marketing, and distribution. To manage potential future growth, we may be
required to implement and improve our managerial, operational and financial systems, expand our facilities and recruit and train additional
qualified personnel. Due to our limited financial resources, we may not be able to effectively manage the expansion of our operations or
recruit and train additional qualified personnel. The expansion of our operations may lead to significant costs and may divert our
management and business development resources. Any inability to manage growth could delay the execution of our business plans or
disrupt our operations.

Our employees may engage in misconduct or other improper activities, including noncompliance with regulatory standards and
requirements, which could expose us to liability and hurt our reputation.

We are exposed to the risk of employee fraud or other misconduct. Misconduct by employees could include intentional failures to

comply with FDA regulations, provide accurate information to the FDA, report financial information or data accurately or disclose
unauthorized activities to us. Employee misconduct also could involve the improper use or misrepresentation of information obtained in the
course of clinical trials, which could result in regulatory sanctions and serious harm to our reputation. It is not always possible to identify
and deter employee 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 and financial results, including the
imposition of significant civil, criminal and administrative penalties, including, without limitation, damages, fines, disgorgement,
imprisonment, exclusion from participation in government healthcare programs, such as Medicare and Medicaid, integrity oversight and
reporting obligations to resolve allegations of non-compliance with these laws, and the curtailment or restructuring of our operations, which
could have a material adverse effect on our business.

General Risk Factors

Raising additional capital may cause dilution to our stockholders, restrict our operations, or require us to relinquish rights to our
technologies or product candidates.

Until such time, if ever, as we can generate substantial product revenue and positive cash flows from operations, we expect to

finance our cash needs through a combination of equity offerings, debt financings, and license and development agreements in connection
with any collaborations. We do not have any committed external source of funds. To the extent that we raise additional capital through the
sale of equity or convertible debt securities, your ownership interest will be diluted, either at the time of such capital raise or thereafter, and
the terms of these securities may include liquidation or other preferences that adversely affect your rights as a common stockholder.
Preferred equity financing and additional debt 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, or that include
covenants requiring us to meet certain obligations, such as minimum cash requirements or net revenue targets.

If we raise additional funds through collaborations, strategic alliances, or marketing, distribution or licensing arrangements with

third parties, we may have to relinquish valuable rights to our technologies, future revenue streams,

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research programs or product candidates or grant licenses on terms that may not be favorable to us. If we are unable to raise additional funds
through equity or debt financings when needed, we may be required to delay, limit, reduce, or terminate our product development or our
current or future commercialization efforts or grant rights to develop and market product candidates that we would otherwise prefer to
develop and market ourselves.

An active trading market for our common stock may not continue to develop or be sustained.

Although our common stock is listed on the Nasdaq, we cannot assure you that an active, liquid trading market for our shares will

continue to develop or be sustained. If an active market for our common stock does not continue to develop or is not sustained, it may be
difficult for you to sell shares quickly or without depressing the market price for the shares or to sell your shares at all.

If equity research analysts do not continue to publish research or reports or publish unfavorable research or reports about us, our
business or our industry, 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
and our business. We have only limited research coverage by equity research analysts. 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. We have no 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.

Changes in tax laws or regulations that are applied adversely to us or our customers 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. Further, existing tax laws, statutes, rules, regulations or ordinances
could be interpreted, changed, modified or applied adversely to us. For example, the 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 Tax Act may affect us, and certain
aspects of the 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 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 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.

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 of 2002, as amended, or the Sarbanes-

Oxley Act, and the rules and regulations of Nasdaq. The Sarbanes‑Oxley Act requires, among other things, that we maintain effective
disclosure controls and procedures and internal controls over financial reporting. Effective internal controls over financial reporting are
necessary for us to provide reliable financial reports and, together with adequate disclosure controls and procedures, are designed to prevent
fraud. For our fiscal year ended December 31, 2021, we are obligated to perform system and process evaluation and testing of our internal
controls over financial reporting to allow management to report on the effectiveness of our internal controls over financial reporting in our
Annual Report on Form 10-K filing for that year, as required by Section 404(a) of the Sarbanes-Oxley Act.

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

As a public company listed in the United States, we are incurring, and will continue to incur, 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 stock exchanges, 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 also might make it more difficult for us to obtain some types of insurance, including directors’
and officers’ 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 directors or as members of senior management.

Our business and operations would suffer in the event of system failures.

We utilize information technology systems and networks to process, transmit and store electronic information in connection with

our business activities. As use of digital technologies has increased, cyber incidents, including deliberate attacks and attempts to gain
unauthorized access to computer systems and networks, have increased in frequency and sophistication. These threats pose a risk to the
security of our systems and networks and the confidentiality, availability and integrity of our data. There can be no assurance that we will
be successful in preventing cyber-attacks or successfully mitigating their effects.

Despite our implementation of security measures, our internal computer systems and operations and those of our contractors and

consultants are vulnerable to damage from computer viruses, unauthorized access, natural disasters, outbreak of regional or global
pandemic diseases, such as the recent coronavirus outbreak, terrorism, war, and telecommunication and electrical failures. If such an event
were to occur and cause interruptions in our operations, it could result in a material disruption to our product candidate development
programs. For example, the loss of data from completed, ongoing or planned clinical trials could result in delays in our regulatory approval
efforts and significantly increase our costs to recover or reproduce the data. To the extent that any disruption or security breach were to
result in a loss of or damage to our data or applications, or inappropriate disclosure of personal, confidential or proprietary information, we
could incur liability and the further development of any of our product candidates could be delayed or abandoned.

ITEM 1B. UNRESOLVED STAFF COMMENTS

None.

ITEM 2. PROPERTIES

Our principal office is located at 955 Chesterbrook Boulevard, Chesterbrook, Pennsylvania, where we currently lease

approximately 8,231 square feet of developed office space on the first floor and 40,565 square feet of developed office space on the second
floor. The lease term for this space extends through May 2028. On October 11, 2018, we entered into an agreement with The Vanguard
Group, Inc., or Vanguard, whereby Vanguard agreed to sublease the 40,565 square feet of space on the second floor for an initial term of 37
months. On October 2, 2020, Vanguard notified the Company that they exercised the first option to extend the sublease term for three years
through November 30, 2024. Vanguard has a second option to extend the sublease term for an additional three years through November 30,
2027. The sublease provides for rent abatement for the first month of the term; thereafter, the rent payable to us by Vanguard under the
sublease is (i) $0.50 less during months 2 through 13 of the sublease and (ii) in month 14 and thereafter of the

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sublease, $1.00 less than the base rent payable by us under our master lease with Chesterbrook Partners, L.P. Vanguard also is responsible
for paying to us all tenant energy costs, annual operating costs, and annual tax costs attributable to the subleased space during the term of
the sublease.

ITEM 3. LEGAL PROCEEDINGS

The Company is not involved in any legal proceeding that it expects to have a material effect on its business, financial condition,

results of operations and cash flows.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

PART II

ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER
PURCHASES OF EQUITY SECURITIES

Market Information and Holders

Our common stock is traded on the Nasdaq Capital Market under the symbol “TRVN.” On March 29, 2023, there were 5 holders

of record of our common stock.

Dividends

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.

Recent Sales of Unregistered Securities

We did not sell any equity securities during the fiscal year ended December 31, 2022 in transactions that were not registered under

the Securities Act.

ITEM 6. Reserved.

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 together with our

financial statements and related notes appearing in this Annual Report. Some of the information contained in this discussion and analysis
or set forth elsewhere in this Annual Report, including information with respect to our plans and strategy for our business and related
financing, includes forward-looking statements that involve risks and uncertainties. As a result of many factors, including those factors set
forth in the “Risk Factors” section of this Annual Report, our actual results could differ materially from the results described in or implied
by the forward-looking statements contained in the following discussion and analysis. Please also see the section entitled “Cautionary Note
Regarding Forward-Looking Statements.”

Overview

We are a biopharmaceutical company focused on developing and commercializing novel medicines for patients affected by central

nervous system, or CNS, disorders. Our lead product, OLINVYK® (oliceridine) injection, or OLINVYK, was approved by the United
States Food and Drug Administration, or the FDA, in August 2020. In October 2020, we announced that OLINVYK had received
scheduling from the U.S. Drug Enforcement Administration, or DEA,

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and was classified as a Schedule II controlled substance. We initiated commercial launch of OLINVYK in the first quarter of 2021.
OLINVYK is an opioid agonist for use in adults for the management of acute pain severe enough to require an intravenous opioid analgesic
and for whom alternative treatments are inadequate. We are also developing a pipeline of product candidates based on our proprietary
product platform, including TRV045 for diabetic neuropathic pain, epilepsy, and seizure disorders; TRV250 for acute migraines; and
TRV734 for moderate-to-severe acute and chronic pain and opioid use disorders.

Since our incorporation in late 2007, our operations have included organizing and staffing our company, business planning,

raising capital, discovering and developing our product candidates, and establishing our intellectual property portfolio. We have financed
our operations primarily through private placements and public offerings of our equity securities and debt borrowings. As of December 31,
2022, we had an accumulated deficit of $547.8 million. Our net loss was $53.7 million and $51.6 million for the years ended December 31,
2022 and 2021, respectively. Our ability to become and remain profitable depends on our ability to generate revenue or sales. We do not
expect to generate significant revenue or sales unless and until we or a collaborator successfully commercialize OLINVYK or obtain
marketing approval for and commercialize TRV045, TRV250, or TRV734.

We expect to incur significant expenses and operating losses for the foreseeable future as we continue to commercialize
OLINVYK and continue the development and clinical trials of our other product candidates. We will need to obtain substantial additional
funding in connection with our continuing operations. We will seek to fund our operations through the sale of equity, debt financings or
other sources, including potential collaborations. However, we may be unable to raise additional funds or enter into such other agreements
when needed on favorable terms, or at all. If we fail to raise capital or enter into such other arrangements as, and when, needed, we may
have to significantly delay, scale back or discontinue our operations, development programs, and/or any future commercialization efforts.

Recent Developments

Announced Initial Topline OLINVYK Data from Real-World VOLITION Clinical Outcomes Study

On March 30, 2023, we announced initial topline OLINVYK data from the VOLITION study, a 203-patient, real world, open-
label, multi-site study led by clinical outcomes research experts from Cleveland Clinic and Wake Forest Baptist Health Medical Center. 
OLINVYK demonstrated a 52.2% GI complete response rate, defined as  no vomiting  and no antiemetic use throughout the post-operative 
period. In pooled data for our pivotal Phase 3 studies for OLINVYK, the GI complete response rate was 46.2% (0.35mg) and 39.7% 
(0.5mg). Over 90% of OLINVYK-treated patients reported feeling “alert and calm” from the morning of the first post-operative day and at 
every observation point thereafter, based on the Richmond Agitation-Sedation Scale, and 3.9% of OLINVYK-treated patients exhibited 
symptoms suggesting delirium at any point in the 48-hour post-operative period, based on the validated 3D-CAM screening tool. Sedation 
is an established risk of opioids including OLINVYK. Analysis of respiratory data from VOLITION is not yet available, and we expect to 
report these data in mid-2023.

Announced Initial Topline Data from Electronic Medical Records (EMR) Based Study, ARTEMIS

On March 30, 2023, we announced initial data from our EMR-based study, ARTEMIS. OLINVYK-treated patients in
VOLITION were matched with comparable patients treated with other IV opioids, undergoing similar surgical procedures at VOLITION
study sites during the same period of time that the VOLITION study was enrolled. EMR data analysis is available from the Wake Forest
Baptist Health study site, representing 96 OLINVYK treated patients and 457 matched patients. Based on this initial data, OLINVYK-
treated patients had a statistically significant 1.6-day (~27%) reduction in average overall hospital length of stay compared to matched
patients treated with standard of care with no access to OLINVYK (P=0.0001). There was no statistically significant difference in the
average duration of time in the post-anesthesia care unit (PACU), with 2.4 hours observed for both OLINVYK-treated and matched patients
(p=0.8174). While an EMR analysis does not provide definitive data of group differences as seen in a prospectively randomized study, we
believe EMR data bring a unique perspective to an understanding of how drugs may perform in the real world.

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Initiated Targeted Proof-of-Concept Study to Evaluate TRV045 as a Potential Treatment for Epilepsy and Other CNS Disorders

On March 7, 2023, we announced the initiation of a Phase 1 proof-of-concept study of TRV045, a novel sphingosine-1-phosphate

receptor modulator selective for the S1P receptor subtype 1. The study will use transcranial magnetic stimulation (TMS) to evaluate how
TRV045 affects the ability of brain cells to conduct electrical stimulation. The effects of TMS will be explored using both
electromyography (EMG) and electroencephalography (EEG) to measure the potential effect of TRV045 on brain function. 

The study is a randomized, double-blind, placebo-controlled, two-way cross-over, multiple dose study designed to evaluate the

pharmacodynamic effects of TRV045 on cortical excitability in healthy male adults, using both EMG and EEG to measure brain function.
Twenty-four healthy male volunteers will be enrolled and each subject will receive one of two treatment sequences in random order:
TRV045 250 mg followed by placebo; or placebo followed by TRV045 250 mg, each treatment sequence given once daily for four
consecutive days. Both EMG and EEG outcomes in response to TMS will be explored after the first and last doses in each treatment
sequence. Doses for this study were selected based on the PK exposure determined in the recently completed Phase 1 single and multiple
dose study, and are designed to reach the expected target efficacy exposure range. Subjects will be enrolled at a study site outside of the
United States and the study is not being conducted under the Investigational New Drug Application (IND) for TRV045. The study is
expected to complete enrollment by mid-2023.

Published OLINVYK Respiratory Physiology Study in ANESTHESIOLOGY

On February 14, 2023, we announced the publication of OLINVYK data in the peer-reviewed journal Anesthesiology. The paper
entitled “Respiratory Effects of Biased Ligand Oliceridine in Older Volunteers: A Pharmacokinetic-Pharmacodynamic Comparison with
Morphine” was published in collaboration with researchers at several prestigious institutions, including the Leiden University Medical
Center in the Netherlands. The paper summarizes the key findings of the four-arm, double-blind, randomized crossover study of eighteen
56- to 87-year-old male and female participants. The intent of the study was to evaluate the difference between oliceridine and IV morphine
as measured by the effect on ventilation. The results of the study demonstrated that oliceridine and morphine differed in their
pharmacodynamics with a more rapid onset and offset of respiratory depression for oliceridine and a smaller magnitude of respiratory
depression over time. The total number of adverse events was similar between the two opioids. The most frequently reported adverse events
for oliceridine were dizziness, lightheadedness, somnolence and horizontal vertigo; for morphine, the most frequently reported adverse
events were nausea, lightheadedness, dizziness and somnolence.

COVID-19

The impact of the COVID-19 pandemic on the global economy and on our business continues to be a fluid situation. We have

experienced, and may continue to experience, disruptions that could impact clinical trial enrollment and/or our results of operations,
including product revenue and our financial condition. Uncertainties relating to the COVID-19 pandemic include the availability,
administration rates and effectiveness of vaccines and therapeutics against any variants of coronoavirus, the continued duration and severity
of the pandemic, governmental, business or other actions, and changes to our operations, among others The extent to which the COVID-19
pandemic will impact our efforts to commercialize OLINVYK successfully and to continue development of our product candidates is
uncertain and will depend upon future developments.

Critical Accounting Policies and Significant Judgments and Estimates

Our management’s discussion and analysis of our financial condition and results of operations is based on our financial statements,

which have been prepared in accordance with generally accepted accounting principles in the United States. The preparation of our
financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the
disclosure of contingent assets and liabilities at the date of our financial statements, as well as the reported revenues and expenses during
the reported periods. We base our estimates on

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historical experience and on various other factors that we believe are reasonable under the circumstances, the results of which form the
basis for making judgments about the carrying value of assets and liabilities that are not apparent from other sources. Actual results may
differ from these estimates under different assumptions or conditions.

Our significant accounting policies are more fully described in the notes to our audited financial statements for the year ended

December 31, 2022 included in this Annual Report on Form 10-K. However, we believe that the following accounting policies are
important to understanding and evaluating our reported financial results, and we have accordingly included them in this discussion.

Revenue Recognition

In accordance with FASB’s ASC 606, Revenue from Contracts with Customers, or ASC 606, we recognize revenue when its

customers obtain control of promised goods or services, in an amount that reflects the consideration which the entity expects to receive in
exchange for those goods or services. To determine revenue recognition for arrangements that the Company determines are within the scope
of ASC 606, we perform the following five steps:

(i)

(ii)

(iii)

(iv)

(v)

identify the contract(s) with a customer;

identify the performance obligations in the contract;

determine the transaction price;

allocate the transaction price to the performance obligations in the contract; and

recognize revenue when (or as) the entity satisfies a performance obligation.

We apply the five-step model to contracts when we determine that it is probable we will collect the consideration we are entitled to

in exchange for the goods or services we transfer to the customer. At contract inception, once the contract is determined to be within the
scope of ASC 606, we assess the goods or services promised within each contract and determine those that are performance obligations and
assess whether each promised good or service is distinct. We then recognize as revenue the amount of the transaction price that is allocated
to the respective performance obligation when (or as) the performance obligation is satisfied.

Product Revenue

Product revenue is recognized at the point in time when our performance obligations with our customers have been satisfied. At
contract inception, we determine if the contract is within the scope of ASC Topic 606 and then evaluate the contract using the following
five steps: (1) identify the contract with the customer; (2) identify the performance obligations; (3) determine the transaction price; (4)
allocate the transaction price to the performance obligations; and (5) recognize revenue at the point in time when the Company satisfies a
performance obligation.

Revenue is recorded at the transaction price, which is the amount of consideration we expect to receive in exchange for transferring

products to a customer. We determine the transaction price based on fixed consideration in our contractual agreements, which includes
estimates of variable consideration, and the transaction price is allocated entirely to the performance obligation to provide pharmaceutical
products. In determining the transaction price, a significant financing component does not exist since the timing from when we deliver
product to when the customers pay for the product is less than one year and the customers do not pay for product in advance of the transfer
of the product.

We record product revenue net of any variable consideration, which includes estimated chargebacks, prompt pay discounts,

returns and distribution service fees. We utilize the expected value method to estimate chargebacks and returns and we utilize the most
likely method to estimate prompt pay discounts and distribution service fees. The variable consideration is recorded as a reduction of
revenue at the time revenues are recognized. We will only recognize revenue to the extent that it is probable that a significant revenue
reversal will not occur in a future period. These

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estimates may differ from actual consideration amount received and we will re‑assess these estimates each reporting period to reflect known
changes in factors.

Distributor Chargebacks

When a product is sold to a third party that is subject to a contractual price agreement, the difference between the price paid to us

by the wholesaler and the price under the specific contract is charged back to us by the wholesaler. Utilizing this information, we estimate a
chargeback percentage for each product and record an allowance for chargebacks as a reduction to revenue when we record our sale of the
products. We reduce the chargeback allowance when a chargeback request from a wholesaler is processed. Reserves for chargebacks are
included in accounts receivable, net on the consolidated balance sheet.

Prompt Payment (Cash) Discounts

We provide customers with prompt payment discounts which may result in adjustments to the price that is invoiced for the product
transferred, in the case that payments are made within a defined period. Our prompt payment discount reserves are based on actual net sales
and contractual discount rates. Reserves for prompt payment discounts are included in accounts receivable, net on the consolidated balance
sheet.

Distribution Service Fees

We pay distribution service fees to our customers based on a fixed percentage of the product price. These fees are not in exchange
for a distinct good or service and therefore are recognized as a reduction of the transaction price. We reserve for these fees based on actual
net sales, contractual fee rates negotiated with the customer and the mix of the products in the distribution channel that remain subject to
fees. Reserves for distribution service fees are included in accounts receivable, net on the consolidated balance sheet.

Product Returns

Generally, our customers have the right to return any unopened product during the eighteen (18) month period beginning six (6)
months prior to the labeled expiration date and ending twelve (12) months after the labeled expiration date in addition to slow moving or
discontinued products. Six (6) months following the launch of OLINVYK, our customers may have the right to return inventory remaining
from their initial purchase, if any, subject to certain terms and conditions. Since we currently do not have a history of OLINVYK returns,
we estimate returns based on industry data for comparable products in the market. As we distribute our product and establish historical sales
over a longer period of time (i.e., two to three years), we will be able to place more reliance on historical purchasing, demand and return
patterns of our customers when evaluating our reserves for product returns. OLINVYK has a forty-eight (48) month shelf life.

We recognize the amount of expected returns as a refund liability, representing the obligation to return the customer’s

consideration. Since the returns primarily consist of expired and short dated products that will not be resold, we do not record a return asset
for the right to recover the goods returned by the customer at the time of the initial sale (when recognition of revenue is deferred due to the
anticipated return). Accrued product return estimates are recorded in accrued expenses and other current liabilities on the consolidated
balance sheet.

License Revenues

Our licensing agreements typically include payment to us of one or more of the following: nonrefundable, up-front license fees;
regulatory and commercial milestone payments; payments for manufacturing supply services; materials shipped to support development;
and royalties on net sales of licensed products.

We also assess whether there is an option in a contract to acquire additional goods or services. An option gives rise to a

performance obligation only if the option provides a material right to the customer that it would not receive without entering into that
contract. Factors that we consider in evaluating whether an option represents a material right

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include, but are not limited to: (i) the overall objective of the arrangement, (ii) the benefit the collaborator might obtain from the
arrangement without exercising the option, (iii) the cost to exercise the option (e.g. priced at a significant and incremental discount) and (iv)
the likelihood that the option will be exercised. With respect to options determined to be performance obligations, we recognize revenue
when those future goods or services are transferred or when the options expire.

Our licensing revenue arrangements may include the following:

Up-front License Fees: If a license is determined to be distinct from the other performance obligations identified in the

arrangement, we recognize revenues from nonrefundable, up-front fees allocated to the license when the license is transferred to the licensee
and the licensee is able to use and benefit from the license. For licenses that are bundled with other promises, we utilize judgment to assess
the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a
point in time and, if over time, the appropriate method of measuring progress for purposes of recognizing revenue from non-refundable, up-
front fees. We evaluate the measure of progress each reporting period and, if necessary, adjusts the measure of performance and related
revenue recognition.

Milestone Payments: At the inception of an agreement that includes regulatory or commercial milestone payments, we evaluate

whether each milestone is considered probable of being achieved and estimates the amount to be included in the transaction price using the
most likely amount method. If it is probable that a significant revenue reversal would not occur, the associated milestone value is included
in the transaction price. Milestone payments that are not within our control or the control of the licensee, such as regulatory approvals, are
not considered probable of being achieved until those approvals are received. At each reporting period, we assess the probability of
achievement of each milestone under our current agreements.

Research and Development Activities: Under our current collaboration and license arrangements, if we are entitled to
reimbursement for costs for services that we provided, we expect such reimbursement would be an offset to research and development
expenses.

Royalties: If we are entitled to receive sales-based royalties from our collaborator, including milestone payments based on the
level of sales, and the license is deemed to be the predominant item to which the royalties relate, we recognize revenue at the later of (i)
when the related sales occur, provided the reported sales are reliably measurable, or (ii) when the performance obligation to which some or
all of the royalty has been allocated has been satisfied (or partially satisfied).

Manufacturing Supply and Research Services: Arrangements that include a promise for future supply of drug substance or drug

product for either clinical development or commercial supply at the licensee’s discretion are generally considered as options. We assess if
these options provide a material right to the licensee and if so, they are accounted for as separate performance obligations.

We receive payments from our licensees based on schedules established in each contract. Upfront payments are recorded as

deferred revenue upon receipt and may require deferral of revenue recognition to a future period until we perform our obligations under
these arrangements. Amounts are recorded as accounts receivable when our right to consideration is unconditional. We do not assess
whether a contract has a significant financing component if the expectation at contract inception is such that the period between payment by
the licensees and the transfer of the promised goods or services to the licensees will be one year or less.

Research and Development

Research and development costs are charged to expense as incurred. Research and development costs include, but are not limited
to, personnel expenses, clinical trial supplies, fees for clinical trial services, manufacturing costs, consulting costs, and allocated overhead.

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Costs for certain development activities, such as clinical trials, are recognized based on an evaluation of the progress to completion
of specific tasks using data such as subject enrollment, clinical site activations or information provided to us by our vendors with respect to
their actual costs incurred. Payments for these activities are based on the terms of the individual arrangements, which may differ from the
pattern of costs incurred, and are reflected in the financial statements as prepaid or accrued research and development expense, as the case
may be.

As part of the process of preparing our financial statements, we are required to estimate our expenses resulting from our
obligations under contracts with vendors, clinical research organizations and consultants, and under clinical site agreements in connection
with conducting clinical trials. The financial terms of these contracts are subject to negotiations, which vary from contract to contract and
may result in payment flows that do not match the periods over which materials or services are provided under such contracts. Our objective
is to reflect the appropriate trial expenses in our financial statements by matching those expenses with the period in which services are
performed and efforts are expended. We may account for these expenses according to the progress of the trial as measured by subject
progression and the timing of various aspects of the trial. We determine accrual estimates through financial models taking into account
discussion with applicable personnel and outside service providers as to the progress or state of consummation of trials, or the services
completed. During the course of a clinical trial, we adjust our clinical expense recognition if actual results differ from estimates. We make
estimates of our accrued expenses as of each balance sheet date based on the facts and circumstances known to us at that time. Our clinical
trial accruals are dependent upon the timely and accurate reporting of contract research organizations and other third-party vendors.
Although we do not expect our estimates to be materially different from amounts actually incurred, our understanding of the status and
timing of services performed relative to the actual status and timing of services performed may vary and may result in us reporting amounts
that are too high or too low for any particular period. For the years ended December 31, 2022 and 2021, there were no material adjustments
to our prior period estimates of accrued expenses for clinical trials.

Stock-Based Compensation

We have equity incentive plans under which various types of equity-based awards including, but not limited to, incentive stock

options, non-qualified stock options, and restricted stock unit awards, may be granted to employees, non-employee directors, and non-
employee consultants. We also have an inducement plan under which various types of equity-based awards, including non-qualified stock
options and restricted stock unit awards, may be granted to new employees.

At December 31, 2022, we had two stock-based compensation plans, which are more fully described in Note 8 to the financial

statements included in Part II of this Annual Report on Form 10-K. We have applied the fair value recognition provisions of Financial
Accounting Standards Board Accounting Standards Codification Topic 718, Compensation — Stock Compensation, or ASC 718, to account
for stock-based compensation for employees.

We recognize compensation expense on a straight-line basis over the requisite service period for all stock-based awards based on

the estimated grant-date fair values. For restricted stock unit awards to employees, the fair value is based on the closing price of our
common stock on the date of grant. The fair value of stock options is determined using the Black-Scholes option pricing model. We utilize a
dividend yield of zero based on the fact that we have never paid cash dividends and have no current intention of paying cash dividends. We
elected an accounting policy to record forfeitures as they occur.

See Note 8 to the financial statements included in Part II of this Annual Report on Form 10-K for a discussion of the assumptions
we used in determining the grant date fair value of options granted under the Black-Scholes option pricing model, as well as a summary of
the stock option activity under our stock-based compensation plan for all years presented.

Loan Payable

In April 2022, the Company entered into a Loan Agreement with R-Bridge, pursuant to which the Company may be eligible to

receive up to $40.0 million in term loan borrowings, or the R-Bridge Financing. Term loan borrowings will be advanced in three tranches.
The first tranche of $15.0 million was advanced in April 2022. The

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second tranche of $10.0 million will become available upon achievement of either a commercial or financing milestone as set forth in the
Loan Agreement. The third tranche of $15.0 million will become available upon the first commercial sale of OLINVYK in China. Under
the relevant accounting guidance, the loan agreement has been accounted for as a debt instrument that will be amortized using the effective
interest method over the life of the arrangement. In order to determine the amortization of the liability, we are required to estimate the total
amount of future royalty payments to be paid to R-Bridge over the earlier of the (i) the life of the arrangement or (ii) the point in time in
which the arrangement is eligible to be recognized as a sale of the license and satisfaction of all outstanding related debt obligations. As of
December 31, 2022, the $15.0 million in borrowings would be capped at $30.0 million in repayments if we were unsuccessful in obtaining
approval in China. The aggregate future estimated royalty and milestone payments, less the $15.0 million of net proceeds we received, are
recorded as interest expense over the life of the liability. Consequently, we impute interest on the unamortized portion of the liability and
record interest expense related to the loan agreement accordingly. Due to the significant judgments and factors related to the estimates of
future payments under the loan agreement, there are significant uncertainties surrounding the amount and timing of future payments and the
related interest expense we recognize. the probability of realization of the estimated contingent gain. We record non-cash interest expense
within our consolidated statements of operations over the term of the loan agreement.

Recent Accounting Pronouncements

See Note 2 to the financial statements included in Part II of this Annual Report on Form 10-K for information on recent accounting

pronouncements.

Results of Operations

Comparison of Years Ended December 31, 2022 and 2021

(in thousands, except per share data)

Revenue:

Product revenue
License revenue
Total revenue
Operating expenses:
Cost of goods sold
Selling, general and administrative
Research and development
Total operating expenses

Loss from operations
Other income (expense):

Change in fair value of warrant liability
Other (expense) income, net
Interest income
Interest expense
Gain (loss) on foreign currency transactions

Total other income, net

Net Loss

Unrealized gain on marketable securities

Comprehensive loss

82

Year Ended
December 31, 

2022

2021

Change

$

$

 (438)
 20
 (418)

$

 498
 69
 567

 (936)
 (49)
 (985)

 3,018
 34,728
 18,211
 55,957
 (56,375)

 954
 38,112
 13,426
 52,492
 (51,925)

 11,180
 (7,681)
 451
 (1,256)
 11
 2,705
$  (53,670)
 1
$  (53,669)

 6
 172
 162
 (1)
 (2)
 337
$  (51,588)
 —
$  (51,588)

$

$

 2,064
 (3,384)
 4,785
 3,465
 (4,450)

 11,174
 (7,853)
 289
 (1,255)
 13
 2,368
 (2,082)
 1
 (2,081)

         
    
    
    
 
 
    
    
    
 
  
 
  
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
  
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Revenue

To date, we have derived revenue mainly from activities pursuant to our licensing agreements related to the development and

commercialization of OLINVYK in China and South Korea. We have not generated material revenue from commercial product sales. In
2022, we recorded a returns reserve adjustment of $0.4 million for expected returns from our wholesalers. For the year ended December 31,
2022, we recorded negative $0.4 million in product revenue due to the impact from the returns reserve. For the year ended December 31,
2021, we recorded $0.5 million in product revenue from the shipment of drug product to wholesalers.

License revenue recorded for the years ended December 31, 2022 and 2021 relates to materials shipped to PharmBio to support the

development of oliceridine efforts in South Korea. There was $0.1 million of license revenue recorded for the year ended December 31,
2021, related materials shipped to Nhwa to support the development of oliceridine efforts in China.

Cost of goods sold

Cost of goods sold for product revenue includes third party logistics costs, shipping costs, and indirect overhead costs which are

recorded as period costs in the period incurred.

We expensed the cost of producing validation batches of OLINVYK that we are using in the commercial launch as research and

development expense prior to the regulatory approval and DEA scheduling of OLINVYK. We expect cost of sales to increase as we deplete
these inventories.

The following table provides information regarding cost of goods sold during the periods indicated, including percent changes

(dollar amounts in thousands):

Cost of goods sold

Year Ended December 31, 

2022

2021

$

 3,018

$

 954

% Increase (Decrease)
216%

Cost of goods sold increased by $2.1 million, or 216% for the year ended December 31, 2022 compared to the same period in

2021, primarily due to a $2.1 million non-cash valuation adjustment for slow-moving or obsolete inventory due to the uncertainty of
commercial activities and future expected OLINVYK sales. If future sales of OLINVYK do not materialize as anticipated, we may be
required to further adjust the valuation of additional inventory.

Selling, general and administrative expense

Selling, general and administrative expenses consist principally of salaries and related costs for personnel in our executive,
finance, commercial, and other administrative areas, including expenses associated with stock‑based compensation and travel. Other selling,
general and administrative expenses include professional fees for legal, field sales organization, medical affairs, market research,
consulting, and accounting services.

Selling, general and administrative expenses decreased by $3.4 million, or 9%, for the year ended December 31, 2022 compared to

the same period in 2021, primarily related to a reduction in full time employees and termination of our contract sales force agreement.

Research and development expense

Research and development expenses consist primarily of costs incurred for research and the development of our product
candidates, including costs associated with the regulatory approval process. In addition, research and development expenses include salaries
and related costs for our research and development personnel and stock-based compensation expense and travel expenses for such
individuals. Research and development activities are central to our business model. Product candidates in later stages of clinical
development generally have higher development costs than

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those in earlier stages of clinical development, primarily due to the increased size, complexity and duration of later-stage clinical trials.

Research and development costs are expensed as incurred and are tracked by discovery program and subsequently by product

candidate once a product candidate has been selected for development. We record costs for some development activities, such as clinical
trials, based on an evaluation of the progress to completion of specific tasks using data such as patient enrollment, clinical site activations or
information provided to us by our vendors.

Research and development expenses increased by $4.8 million, or 36% in 2022 as compared to 2021. The following table

summarizes our research and development expenses (in thousands):

TRV045
OLINVYK
TRV250
TRV027
Personnel-related costs
Other research and development

Year Ended
December 31, 

2022

 6,130
 3,230
 612
 409
 5,518
 2,312
 18,211

$

$

2021

 2,744
 1,834
 1,008
 1,032
 5,537
 1,271
 13,426

$

$

The increase in research and development expenses during the year ended December 31, 2022 was primarily driven by increased
spend to advance TRV045 and increased spend on OLINVYK post-approval clinical studies in respiratory physiology, cognitive function
and gastrointestinal tolerability, partially offset by decreased spending on TRV027 and TRV250.

Total other income

Total other income increased by $2.4 million, or 703%, during the year ended December 31, 2022 compared to the same period in

2021, primarily due to recording the excess fair value of warrant liabilities over the proceeds received in connection with the Company’s
equity offerings in July 2022 and November 2022, offet by the subsequent change in fair value of the liabity classified warrants during the
year ended December 31, 2022.

Liquidity and Capital Resources

We have historically funded substantially all of our operations through the sale and issuance of our equity securities, debt
securities and borrowings under debt facilities. We have also received an aggregate of $8.8 million pursuant to licensing agreements for the
development and commercialization of OLINVYK in China and South Korea.

At December 31, 2022, we had an accumulated deficit of $547.8 million, working capital of $32.3 million, cash and cash

equivalents of $38.3 million, restricted cash of $2.0 million, and no marketable securities. In November 2020, we filed a $250.0 million
shelf registration statement, which includes our at-the-market (“ATM”) program with H.C Wainwright & Co., LLC. (“HCW”) (“ HCW
ATM Program”), of which there was approximately $41.9 million of available capacity as of December 31, 2022.

Our primary use of cash is to fund operating expenses, which consist of research and development expenditures,

commercialization expenditures, and other selling, general and administrative expenditures. We anticipate these expenses to decrease in
2023, while we continue to commercialize OLINVYK and advance our other product candidates. Cash used to fund operating expenses is
impacted by the timing of when we pay these expenses, as reflected in the change in accounts payable and accrued expenses. Net cash used
in operating activities was $51.5 million and $50.2 million for the years ended December 31, 2022 and 2021, respectively. We incurred net
losses of $53.7 million and $51.6 million for those same periods.

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Our success is dependent on the successful commercialization of OLINVYK and obtaining adequate capital to fund operating

losses until we become profitable. We expect that our existing balance of cash and cash equivalents as of December 31, 2022 is sufficient to
fund operations into the fourth quarter of 2023, but not for more than one year after the date of this filing and therefore management has
concluded that substantial doubt exists about our ability to continue as a going concern.

Cash Flows

The following table summarizes our cash flows (in thousands):

Net cash (used in) provided by:

Operating activities
Investing activities
Financing activities

Net decrease in cash, cash equivalents and restricted cash

Net cash used in operating activities

December 31, 

2022

2021

$  (51,477)
 18
 23,505
$  (27,954)

$

$

 (50,197)
 (16)
 7,734
 (42,479)

Net cash used in operating activities was $51.5 million for the year ended December 31, 2022 as compared to $50.2 million for the
year ended December 31, 2021 primiarily due to an increase in research and development expenses of $4.8 million to advance TRV045 and
higher cost of goods sold of $2.1 million due to a non-cash inventory reserve, partially offset by lower selling, general and administrative
expenses of $3.4 million. Net cash used in operating activies for the year ended December 31, 2022 consisted primarily of a net loss of
$53.7 million and non-cash changes in revaluation of warrant liability of $11.2 million, partially offset by non-cash expenses for the excess
fair value of liability classified warrants over proceeds recieved of $7.1 million, stock compensation of $3.7 million, inventory revaluation
of $2.1 million, depreciation of $0.4 million, and change in right-of-use asset of $0.5 million.

Net cash used in operating activities was $50.2 million for the year ended December 31, 2021, primarily due to an increase in

selling, general and administrative expenses of $18.9 million as a result of the launch of OLINVYK. Net cash used in operating activities
for the year ended December 31, 2021 consisted primarily of a net loss of $51.6 million and changes in operating assets and liabilities of
$3.9 million, partially offset by non-cash expenses for stock compensation of $4.4 million, depreciation of $0.4 million, and change in right-
of-use asset of $0.4 million..

Net cash (used in) provided by investing activities

Net cash provided by investing activities was less than $0.1 million for the year ended December 31, 2022, primarily related to

maturities of marketable securities, offset by purchases of marketable securities.

Net cash provided by financing activities

Net cash provided by financing activities was $23.5 million for the year ended December 31, 2022. Net cash provided by financing

activities for the year ended December 31, 2022 was primarily due to net proceeds of $13.9 million from debt issuance, and $9.7 million
from the July 2022 and November 2022 equity offerings and issuance of warrants.

Net cash provided by financing activities was $7.7 million for the year ended December 31, 2021 primarily due to net proceeds of

approximately $7.9 million from the HCW ATM Program.

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Leases

The Company currently leases approximately 8,231 square feet of developed office space on the first floor and 40,565 square feet
of developed office space on the second floor in Chesterbrook Pennsylvania. The lease term for this space extends through May 2028. On
October 11, 2018, the Company entered into an agreement with The Vanguard Group, Inc., or Vanguard, whereby Vanguard agreed to
sublease the 40,565 square feet of space on the second floor for an initial term of 37 months. On October 2, 2020, Vanguard notified the
Company that they exercised the first option to extend the sublease term for three years through November 30, 2024. Vanguard has a
second option to extend the sublease term for an additional three years through November 30, 2027. The sublease provides for rent
abatement for the first month of the term; thereafter, the rent payable to the Company by Vanguard under the sublease is (i) $0.50 less
during months 2 through 13 of the sublease and (ii) in month 14 and thereafter of the sublease, $1.00 less than the base rent payable by the
Company under its master lease with Chesterbrook Partners, L.P. Vanguard also is responsible for paying to the Company all tenant energy
costs, annual operating costs, and annual tax costs attributable to the subleased space during the term of the sublease. In 2023, we expect to
pay approximately $1.4 million for our operating lease obligations. Future rent streams of $1.1 million to be collected in less than one year
and $2.1 million to be collected between one and three years are not offset against operating lease obligations. See “Item 8 – Financial
Statements and Supplementary Data – Note 9 – Commitments and Contingencies” in Part II of this Form 10-K for information about our
operating lease obligations, including maturities of such obligations.

R-Bridge Financing

In April 2022, we, through our wholly-owned subsidiary Trevena SPV2 LLC, entered into a Loan Agreement with R-Bridge,

which we refer to as the R-Bridge Financing. Pursuant to the R-Bridge Financing, we may be eligible to receive up to $40.0 million in term
loan borrowings. Term loan borrowings will be advanced in three tranches. The first tranche of $15.0 million was advanced in April 2022.
The second tranche of $10.0 million will become available upon achievement of either a commercial or financing milestone as set forth in
the Loan Agreement. The third tranche of $15.0 million will become available upon the first commercial sale of OLINVYK in China.

The term loans bear interest at a rate per annum equal to 7.00% and will mature on the earlier of (i) the fifteen (15) year

anniversary of the closing date in March 2022 and (ii) the date on which the license agreement with Nhwa expires. Repayment of any
borrowings and related interest will be made quarterly beginning June 30, 2022. Repayment will be in the form of (i) a 4.0% royalty
payment on net sales of OLINVYK in the United States and (ii) proceeds from royalties from our license agreement with Nhwa. In the
event Nhwa obtains Chinese approval of OLINVYK by December 31, 2023, royalties from net sales of OLINVYK in the United States will
be capped at $10.0 million. In the event Chinese approval does not occur by December 31, 2023, the royalties from net sales in the United
States will increase to 7.0% and will continue until certain combined totals from license agreement with Nhwa and royalties from net sales
of OLINVYK are paid. Upon a change in control or in the event we elect to repay any outstanding borrowings prior to their contractual
maturity, we are required to pay a control premium ranging from 125% to 150% of the outstanding principal and interest at the time of
repayment and in the event OLINVYK has not obtained approval in China. In the event OLINVYK is approved in China, the premium, if
triggered, would be equal to the greater of (i) principal and interest and (ii) $10.0 million or $20.0 million depending on the timing in which
the triggering event occurs.

In April 2022, we placed $2.0 million into an interest reserve account in connection with the Loan Agreement. Payments of

interest under the Loan Agreement are made quarterly from the royalty on our net sales of OLINVYK in the United States and proceeds
from royalties from our license agreement with Nhwa. On each interest payment date, if the royalty payments received do not equal the total
interest due for the respective quarter, the interest payment due will be paid from the interest reserve account. This interest reserve account
is classified as restricted cash in our consolidated balance sheet at December 31, 2022.

Repayments of all borrowings, interest and other related payments, under the Loan Agreement are guaranteed by us and secured
by substantially all of the assets associated with the license agreement with Nhwa, the Chinese intellectual property related to OLINVYK,
and deposit accounts established to hold amounts received on account for repayment of the borrowings and related interest under the Loan
Agreement. The Loan Agreement contains certain

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customary affirmative and negative covenants and contains customary defined events of default, upon which any outstanding principal and
unpaid interest shall be due on demand. At December 31, 2022, there were no events of default pursuant to the Loan Agreement and we
were in compliance with all covenants.

In connection with the first tranche borrowings in April 2022, we issued a warrant to R-Bridge to purchase 200,000 shares of our common 
stock at an initial exercise price of $20.50 per share and will be exercisable for a period of three years.  

Off-Balance Sheet Arrangements

We do not have any off-balance sheet arrangements, as defined by applicable SEC regulations.

Operating and Capital Expenditure Requirements

We have not achieved profitability since our inception, and we expect to continue to incur net losses and negative cash flows from

operations for the foreseeable future. We expect our cash expenditures to continue to be significant in the near term as we continue to
commercialize OLINVYK, and continue to develop TRV045 and TRV250. Over the next twelve months, we anticipate that our total
operating expenses will decrease compared to the previous twelve months.

We believe that our cash and cash equivalents as of December 31, 2022, together with interest thereon, will be sufficient to fund

our operating expenses and capital expenditure requirements into the fourth quarter of 2023, but not for more than one year after the date of
this filing and as a result, there is substantial doubt about our ability to continue as a going concern through the year from the date of this
filing. Our anticipated operating expenses involve significant risks and uncertainties and are dependent on our current assessment of the
extent and costs of activities required to commercialize OLINVYK and advance our other product candidates. In the future, we anticipate
that we will need to raise substantial additional financing to fund our operations. To meet these requirements, we may seek to sell equity or
convertible securities in public or private transactions that may result in significant dilution to our stockholders. We may offer and sell
shares of our common stock under the existing registration statement or any registration statement we may file in the future. If we raise
additional funds through the issuance of convertible securities, these securities could have rights senior to those of our common stock and
could contain covenants that restrict our operations.

Ultimately, there can be no assurance that we will be able to obtain additional equity or debt financing on terms acceptable to us, if

at all. Our future capital requirements will depend on many factors, including:

●

●

●

●

●

●

our ability to successfully commercialize OLINVYK and our other product candidates;

our ability to generate sales and other revenues from OLINVYK or any of our other product candidates, once approved, including
setting an acceptable price for and obtaining adequate coverage and hospital formulary acceptance of such products;

the size and growth potential of the markets for OLINVYK and our ability to serve those markets;

the scope, progress, results and costs of researching and developing our product candidates or any future product candidates, both in
the United States and in territories outside the United States;

the number and development requirements of any other product candidates that we may pursue;

our ability to enter into collaborative agreements for the development and/or commercialization of our product candidates, including
for OLINVYK;

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●

●

●

●

●

●

the costs, timing, and outcome of any regulatory review of OLINVYK and any future product candidates, both in the United States
and in territories outside the United States;

the costs, timing, and extent of future commercialization activities, including product manufacturing, marketing, sales and
distribution, for any of our product candidates for which we receive marketing approval;

the revenue, if any, received from commercial sales of our product candidates for which we receive marketing approval;

any product liability or other lawsuits, including the recently filed class action complaints, related to our products or us;

the expenses needed to attract and retain skilled personnel; and

the costs involved in preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights
and defending our intellectual property-related claims, both in the United States and in territories outside the United States.

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

Other Commitments

In the course of normal business operations, we have agreements with contract service providers to assist in the performance of our

research and development and manufacturing activities. We can elect to discontinue the work under these agreements at any time. We also
could enter into additional collaborative research, contract research, manufacturing and supplier agreements in the future, which may
require upfront payments and even long-term commitments of cash.

We have no material non-cancelable purchase commitments with contract manufacturers or service providers as we have generally

contracted on a cancelable basis.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Not required.

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ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

REPORT OF MANAGEMENT

Management’s Report on Financial Statements

Our management is responsible for the preparation, integrity and fair presentation of information in our financial statements,

including estimates and judgments. The financial statements presented in this Annual Report on Form 10-K have been prepared in
accordance with accounting principles generally accepted in the United States of America. Our management believes the financial
statements and other financial information included in this Annual Report on Form 10-K fairly present, in all material respects, our
financial condition, results of operations and cash flows as of and for the periods presented in this Annual Report on Form 10-K. The
financial statements have been audited by Ernst & Young LLP, an independent registered public accounting firm, as stated in their report,
which is included herein.

Management’s Report on Internal Control Over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting. Our internal
control system was designed to provide reasonable assurance to our management and board of directors regarding the preparation and fair
presentation of published financial statements. Internal control over financial reporting is defined in Rule 13a-15(f) or 15d-
15(f) promulgated under the Exchange Act as a process designed by, or under the supervision of, our principal executive and principal
financial officers and effected by our board of directors, management and other personnel, 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 and includes those policies and procedures that:

●

●

●

pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect our transactions and dispositions of our
assets;

provide reasonable assurance that our transactions are recorded as necessary to permit preparation of our financial statements in
accordance with accounting principles generally accepted in the United States of America, and that our receipts and expenditures
are being made only in accordance with authorization of our management and our directors; and

provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of our assets
that could have a material effect on our financial statements.

Our management, including our Chief Executive Officer and Chief Financial Officer, do not expect that our internal control over

financial reporting will prevent or detect all errors and all fraud. A control system, no matter how well designed and implemented, can
provide only reasonable, not absolute, assurance that the control system’s objectives will be met. Further, the design of a control system
must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the
inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues within a company
are detected. The inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can occur
because of simple errors or mistakes. Controls can also be circumvented by the individual acts of some persons, by collusion of two or more
people or by management override of the controls. The design of any system of controls also is based in part upon certain assumptions about
the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential
future conditions; over time, controls may become inadequate because of changes in conditions, or the degree of compliance with policies
or procedures may deteriorate. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud
may occur and may not be detected.

Our management assessed the effectiveness of our internal control over financial reporting as of December 31, 2022. In making
this assessment, our management used the criteria based on the framework set forth by the Committee of Sponsoring Organizations of the
Treadway Commission in “Internal Control—Integrated Framework” (2013). Based on the assessments of our internal control over
financial reporting, our management, including our Chief Executive Officer and Chief Financial Officer, believe that, as of December 31,
2022, our internal control over financial reporting was effective based on those criteria.

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Report of Independent Registered Public Accounting Firm

To the Shareholders and the Board of Directors of Trevena, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Trevena, Inc. (the Company) as of December 31, 2022 and 2021, the related
consolidated statements of operations and comprehensive loss, stockholders’ equity and cash flows for each of the two years in the period ended
December 31, 2022, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial
statements present fairly, in all material respects, the financial position of the Company at December 31, 2022 and 2022, and the results of its
operations and its cash flows for each of the two years in the period ended December 31, 2022, in conformity with U.S. generally accepted accounting
principles.

The Company's Ability to Continue as a Going Concern

The accompanying financial statements have been prepared assuming that the Company will continue as a going concern. As discussed in Note 1 to the
financial statements, the Company has suffered recurring losses from operations and has stated that substantial doubt exists about the Company’s
ability to continue as a going concern. Management's evaluation of the events and conditions and management’s plans regarding these matters are also
described in Note 1. The financial statements do not include any adjustments that might result from the outcome of this uncertainty.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company’s financial
statements 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 audit to obtain
reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not
required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits we are required to
obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the
Company's internal control over financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the 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 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 financial statements. We believe that our audits provide a reasonable basis for our
opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was communicated or 
required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial statements and (2) 
involved our especially challenging, subjective or complex judgments. The communication of the  critical audit matter 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. 

Loan Payable

Description of the
Matter

As  described  in  Note  7  to  the  consolidated  financial  statements,  the  Company  entered  into  a  loan  agreement  with  R-Bridge
Healthcare  Investment Advisory,  Ltd.  (R-Bridge)  in April  2022.  Pursuant  to  the  loan  agreement,  the  Company  received  gross
proceeds of $15 million in exchange for the obligation to make principal and interest payments to R-Bridge based on a percentage
of net sales of OLINVYK in the United States and proceeds from royalties from the Company’s license agreement with Jiangsu
Nhwa Pharmaceutical Co. Ltd. on sales of OLINVYK in China.

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The Company recorded borrowings under the loan agreement on the consolidated balance sheet at a carrying value of $13.4 
million as of December 31, 2022 and imputed interest expense associated with this loan during 2022 using the effective interest 
rate method.  The effective interest rate is calculated based on the rate that would enable the loan to be repaid in full over the 
anticipated life of the agreement. The effective interest rate on the loan may vary during the term of the loan depending on a 
number of factors, including the level and timing of forecasted net sales of OLINVYK and the resulting repayment to R-Bridge.  
The Company utilizes the prospective method to account for the loan, under which a new effective interest rate is determined at 
each balance sheet date based on the Company’s current estimates of the amount and timing of expected future payments.

Auditing  the  loan  payable  involved  complex  and  subjective  auditor  judgment  due  to  the  estimation  uncertainty  involved  in
determining the effective interest rate. The Company’s effective interest rate model includes estimated revenue projections which
are sensitive to significant assumptions including the estimated market demand for OLINVYK.

How We Addressed
the Matter in Our
Audit

To test the loan payable, our audit procedures included, among others, confirming certain loan provisions directly with R-Bridge,
testing the significant assumptions used to develop the estimates and evaluating the completeness and accuracy of the underlying
data used by the Company in its effective interest rate model. We recalculated the current year interest expense based on the
Company’s model, and performed sensitivity analyses to evaluate the changes in the effective interest rate, and associated interest
expense, that would result from changes in the significant assumptions.

/s/ Ernst & Young LLP

We have served as the Company’s auditor since 2007

Philadelphia, Pennsylvania

March 30, 2023

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TREVENA, INC.

Consolidated Balance Sheets
(in thousands, except share and per share data)

December 31, 2022

December 31, 2021

Assets
Current assets:

Cash and cash equivalents
Inventories
Prepaid expenses and other current assets

Total current assets

Restricted cash
Property and equipment, net
Right-of-use lease asset
Other assets
Total assets
Liabilities and stockholders’ equity
Current liabilities:

Accounts payable, net
Accrued expenses and other current liabilities
Lease liability

Total current liabilities

Loan payable, net
Leases, net of current portion
Warrant liability
Total liabilities
Stockholders’ equity:

Preferred stock—$0.001 par value; 5,000,000 shares authorized, none
issued or outstanding at December 31, 2022 and December 31, 2021
Common stock—$0.001 par value; 200,000,000 shares authorized at
December 31, 2022 and December 31, 2021; 7,744,692  and 6,618,093
shares issued and outstanding at December 31, 2022 and
December 31, 2021, respectively
Additional paid-in capital
Accumulated deficit
Accumulated other comprehensive loss

Total stockholders’ equity

Total liabilities and stockholders’ equity

$

$

$

$

$

38,320
906
1,782
41,008
1,960
1,488
4,224

—  
$

48,680

$

2,372
5,461
899
8,732
13,430
5,436
5,483
33,081

—  

8
563,362
(547,772)
1
15,599
48,680

$

66,923
2,352
1,448
70,723
1,311
1,841
4,706
1,543
80,124

4,547
3,847
792
9,186
—
6,309
—
15,495

—

7
558,724
(494,102)
—
64,629
80,124

See accompanying notes to consolidated financial statements.

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TREVENA, INC.

Consolidated Statements of Operations and Comprehensive Loss
(in thousands, except share and per share data)

Revenue:

Product revenue
License revenue
Total revenue

Operating expenses:

Cost of goods sold
Selling, general and administrative
Research and development
Total operating expenses

Loss from operations
Other income (expense):

Change in fair value of warrant liability
Other income (expense), net
Interest income
Interest expense
Loss on foreign currency exchange
Total other income (expense), net

Net Loss

Unrealized gain on marketable securities

Comprehensive loss
Per share information:

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

Year Ended
December 31, 

2022

2021

$

(438)
20
(418)

3,018
34,728
18,211
55,957
(56,375)

11,180
(7,681)
451
(1,256)
11
2,705
(53,670)
1
(53,669)

(7.59)
7,072,362

$

$

498
69
567

954
38,112
13,426
52,492
(51,925)

6
172
162
(1)
(2)
337
(51,588)
—
(51,588)

(7.90)
6,529,074

$

$

$

See accompanying notes to consolidated financial statements.

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TREVENA, INC.
Consolidated Statements of Stockholders’ Equity
(in thousands, except share data)

Balance, January 1, 2021

Stock-based compensation
expense
Exercise of stock options
Issuance of common stock
upon vesting of RSUs, net
of shares withheld for
employee taxes
Issuance of common stock,
net of issuance costs
Net loss
Balance,
December 31, 2021

Stock-based compensation
expense
Issuance of common stock
warrants in connection
with loan payable
Issuance of Common
Stock in connection with
equity offering
Issuance of common stock
upon vesting of RSUs, net
of shares withheld for
employee taxes
Issuance of preferred stock
Conversion of preferred
stock to common stock
Unrealized gain on
marketable securities
Net loss
Balance,
December 31, 2022

Stockholders' Equity

Preferred Stock

Common Stock

Number
of

$0.001
Par
Shares      Value

Number
of
Shares

$0.001
Par

Additional
Paid-in
     Value      Capital

Accumulated
Deficit

Accumulated
Other
Comprehensive
Income

Total
Stockholders'
Equity

— $ — 6,397,647

$

6

$ 546,576

$ (442,514) $

— $

104,068

—
—

—

—
—

—
—

—

—
—

—
5,861

43,837

170,748
—

—
—

—

1
—

4,407
187

7,949

(395)
—

—
—

—

—
(51,588)

—  
—  

—

—  
—  

4,407
187

7,949

(394)
(51,588)

— $ — 6,618,093

$

7

$ 558,724

$ (494,102) $

— $

64,629

—

—

—

—

—

—

—

—

765,000

—
2,000

—
397

41,599
—

(2,000)

(397)

320,000

—
—

—
—

—
—

—

—

1

—
—

—

—
—

3,676

603

(1)

(37)

397

—
—

—

—

—

—
—

—

—
(53,670)

—  

3,676

—

—  

—
—

—  

1
—  

603

—

(37)
—

397

1
(53,670)

— $ — 7,744,692

$

8

$ 563,362

$ (547,772) $

1

$

15,599

See accompanying notes to consolidated financial statements.

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TREVENA, INC.

Statements of Cash Flows
(in thousands)

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

Depreciation
Stock-based compensation
Noncash interest expense on loan
Inventory valuation adjustment
Fair value of warrants in excess of proceeds
Revaluation of warrant liability
Returns reserve adjustment
Accretion of bond discount on marketable securities
Change in right-of-use asset
Changes in operating assets and liabilities:

Prepaid expenses and other assets
Inventories
Insurance recovery
Settlement liability
Operating lease liabilities
Accounts payable, accrued expenses and other liabilities

Net cash used in operating activities
Investing activities:

Purchases of property and equipment
Maturities of marketable securities
Purchases of marketable securities

Net cash provided by (used in) investing activities
Financing activities:

Proceeds from exercise of common stock options
Proceeds from issuance of common stock, net
Payment of employee withholding taxes on vested restricted stock units
Finance lease payments
Net proceeds from the sale of common stock, warrants and pre-funded warrants
Proceeds from loan payable
Proceeds from issuance of convertible Series A and Series B preferred stock and warrants, net
of issuance costs

Net cash provided by financing activities
Net decrease in cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash—beginning of period
Cash, cash equivalents and restricted cash—end of period
Supplemental disclosure of cash flow information:
Cash paid for interest
Conversion of Series A and Series B preferred stock to common stock

$

$
$

See accompanying notes to consolidated financial statements.

95

Year Ended
December 31, 

2022

2021

$

(53,670)

$

(51,588)

382
3,676
128
2,070
7,147
(11,180)
383
(46)
482

1,209
(624)
—
—
(758)
(676)
(51,477)

(28)
33,000

(32,954)
18

—
—
(37)
(8)
7,997
13,906

1,647
23,505
(27,954)
68,234
40,280

(604)
(397)

$

$
$

428
4,407
—
—
—
(6)
—
—
413

(2,337)
(2,352)
9,000
(9,000)
(695)
1,533
(50,197)

(16)
—

—
(16)

187
7,948
(393)
(8)
—
—

—
7,734
(42,479)
110,713
68,234

—
—

    
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
  
 
  
 
 
 
 
 
  
 
  
 
 
 
 
 
 
 
 
 
 
  
 
  
Table of Contents

TREVENA, INC.

Notes to Consolidated Financial Statements

December 31, 2022

1. Organization and Description of the Business

Trevena, Inc., or the Company, was incorporated in Delaware as Parallax Therapeutics, Inc. on November 9, 2007. The Company
began operations in December 2007, and its name was changed to Trevena, Inc. on January 3, 2008. The Company is a biopharmaceutical
company focused on the development and commercialization of novel medicines for patients affected by central nervous system, or CNS,
disorders. The Company operates in one segment and has its principal office in Chesterbrook, Pennsylvania.

Since commencing operations in 2007, the Company has devoted substantially all of its financial resources and efforts to
commercialization and research and development, including nonclinical studies and clinical trials. The Company has never been profitable.
In late 2017, the Company submitted a new drug application, or NDA, for OLINVYK® (OLINVYK) injection, or OLINVYK, to the
United States Food and Drug Administration, or the FDA. In August 2020, the FDA approved the NDA for OLINVYK and the Company
initiated commercial launch of OLINVYK in the first quarter of 2021.

Since the Company’s inception, the Company has incurred losses and negative cash flows from operations. At December 31,

2022, the Company had an accumulated deficit of $547.8 million. The Company’s net loss was $53.7 million and $51.6 million for
the years ended December 31, 2022 and 2021, respectively. The Company follows the provisions of Financial Accounting Standards Board,
or FASB, Accounting Standards Codification, or ASC, Topic 205-40, Presentation of Financial Statements—Going Concern, or ASC 205-
40, which requires management to assess the Company’s ability to continue as a going concern for one year after the date the financial
statements are issued. The Company expects that its existing balance of cash and cash equivalents as of December 31, 2022 is not sufficient
to fund operations for more than one year after the date of this filing and therefore management has concluded that substantial doubt exists
about the Company’s ability to continue as a going concern. Management’s plans to mitigate this risk include raising additional capital
through equity or debt financings, or through strategic transactions. Management’s plans may also include the deferral of certain operating
expenses unless and until additional capital is received. However, there can be no assurance that the Company will be successful in raising
additional capital or that such capital, if available, will be on terms that are acceptable to the Company, or that the Company will be
successful in deferring certain operating expenses, or that the COVID-19 pandemic will not have an impact on the Company’s ability to
raise capital or fund its operations as planned. If the Company is unable to raise sufficient additional capital or defer sufficient operating
expenses, the Company may be compelled to reduce the scope of its operations and planned capital expenditures.

2. Summary of Significant Accounting Policies

Reverse Stock Split

On November 9, 2022, the Company filed a Certificate of Amendment to the Company’s Certificate of Incorporation to effect a 1-

for-25 reverse stock split pursuant to which each 25 shares of the Company’s issued and outstanding common stock immediately prior to
the effective time, which was 5:01pm ET on November 9, 2022, were combined into one share of the Company’s common stock. Fractional
shares were not issued and stockholders who otherwise would have been entitled to receive a fractional share as a result of the reverse stock
split received an amount in cash equal to $3.05 per share for such fractional interests.

All of the share and per share amounts discussed in the accompanying consolidated financial statements have been adjusted to

reflect the effect of this reverse split.

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Principles of Consolidation

In connection with the loan agreement disclosed in Note 7, the Company established three wholly owned subsidiaries, Trevena

Royalty Corporation, Trevena SPV1 LLC and Trevena SPV2 LLC to facilitate the financing. The consolidated financial statements include
the accounts of the Company and its wholly owned subsidiaries as of December 31, 2022. All intercompany accounts and transactions have
been eliminated in consolidation.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions

that affect the amounts reported in the financial statements and accompanying notes. Management used significant estimates in the
following areas, among others: stock-based compensation expense, the determination of the fair value of stock-based awards, the fair value
of common stock warrants, the accounting for research and development costs, accrued expenses, the recoverability of the Company’s net
deferred tax assets and related valuation allowance, and the amortization of the debt expenses. The financial data and other information
disclosed in these notes are not necessarily indicative of the results to be expected for any future year or period. The Company bases its
estimates on historical experience and also on assumptions that it believes are reasonable, however, actual results could significantly differ
from those results.

Cash and Cash Equivalents

The Company considers all highly liquid investments that have maturities of three months or less when acquired to be cash

equivalents. Cash equivalents are valued at cost, which approximates their fair market value. The Company maintains a portion of its cash
and cash equivalent balances in money market mutual funds that may invest substantially all of their assets in U.S. government agency
securities and U.S. Treasury securities.

Restricted Cash

The Company maintains $0.6 million as collateral under a letter of credit for the Company’s facility lease obligations in

Chesterbrook, Pennsylvania. The Company has recorded this deposit and accumulated interest thereon as restricted cash on its balance
sheet.

In April 2022, the Company placed $2.0 million into an interest reserve account in connection with the royalty based loan
agreement (the “Loan Agreement”) with R-Bridge Investment Four Pte. Ltd. (“R-Bridge”). Payments of interest under the Loan Agreement
are made quarterly from certain royalties on the Company’s net sales of OLINVYK in the United States and proceeds from royalties from
the Company’s license agreement with Jiangsu Nhwa Pharmaceuticals Co. Ltd., or Nhwa. On each interest payment date, if the royalty
payments received do not equal the total interest due for the respective quarter, the interest payment due will be paid from the interest
reserve account. As of December 31, 2022, the interest reserve account balance is $1.4 million which has been classified as restricted cash
in the Company’s consolidated balance sheet.

Fair Value of Financial Instruments

The carrying amount of the Company’s financial instruments, which include cash and cash equivalents, restricted cash, accounts

payable and accrued expenses approximate their fair values, given their short-term nature. Additionally, the Company believes the carrying
value of the loan payable approximates its fair value as the interest rate is reflective of the rate the Company could obtain on debt with
similar terms and conditions. Certain of the Company’s common stock warrants are carried at fair value, as disclosed in Note 3.

The Company has evaluated the estimated fair value of financial instruments using available market information and
management’s estimates. The use of different market assumptions and/or estimation methodologies could have a significant effect on the
estimated fair value amounts. See Note 3 for additional information.

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Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk are primarily cash, cash equivalents,
and restricted cash. The Company’s investment policy includes guidelines on the quality of the institutions and financial instruments and
defines allowable investments that the Company believes minimizes the exposure to concentration of credit risk. The Company has no off-
balance sheet concentrations of credit risk such as foreign currency exchange contracts, option contracts or other hedging arrangements.

Property and Equipment

Property and equipment consists of computer and laboratory equipment, software, office equipment, furniture, manufacturing
equipment and leasehold improvements and is recorded at cost. Maintenance and repairs that do not improve or extend the lives of the
respective assets are expensed to operations as incurred. Upon disposal, retirement or sale, the related cost and accumulated depreciation
are removed from the accounts and any resulting gain or loss is included in the results of operations. Property and equipment are
depreciated on a straight-line basis over their estimated useful lives. The Company uses a life of three years for computer equipment and
five years for laboratory equipment, office equipment, furniture, manufacturing equipment and software. Leasehold improvements are
amortized over the shorter of the lease term or the estimated useful life of the asset.

The Company reviews long-lived assets when events or changes in circumstances indicate the carrying value of the assets may not

be recoverable. Recoverability is measured by comparison of the book values of the assets to future net undiscounted cash flows that the
assets are expected to generate. If such assets are considered to be impaired, the impairment to be recognized is measured by the amount by
which the book value of the assets exceed their fair value, which is measured based on the projected discounted future net cash flows
arising from the assets. No impairment losses were recorded during the years ended December 31, 2022 or 2021.

Leases

At the commencement of a lease, the Company recognizes a liability to make lease payments and an asset representing the right to

use the underlying asset during the lease term. The lease liability is measured at the present value of lease payments over the lease term,
including variable fees that are known or subject to a minimum floor. The lease liability includes lease component fees, while non-lease
component fees are expensed as incurred for all asset classes. When a contract excludes an implicit rate, the Company utilizes an
incremental borrowing rate based on information available at the lease commencement date including lease term and geographic region.
The initial valuation of the right-of-use, or ROU, asset includes the initial measurement of the lease liability, lease payments made in
advance of the lease commencement date, and initial direct costs incurred by the Company and excludes lease incentives.

Leases with an initial term of 12 months or less are classified as short-term leases and are not recorded on the balance sheet. The

lease expense for short-term leases is recognized on a straight-line basis over the lease term. The Company tests for impairment of the ROU
assets whenever circumstances indicate that the carrying amount of the asset may not be recoverable.

Common Stock Warrants

Freestanding warrants that are related to the purchase of common stock are classified as liabilities and recorded at fair value

regardless of the timing of the redemption feature or the redemption price or the likelihood of redemption. These warrants are subject to re-
measurement at each balance sheet date and any change in fair value is recognized as a component of change in fair value of warrant
liability in the statements of operations and comprehensive loss. The Company will continue to adjust the liability for changes in fair value
until the earlier of the exercise or expiration of the warrants. The warrants are classified as Level 3 liabilities as of December 31, 2022 and
2021.

In addition, in connection with entering into loan agreements, the Company has issued warrants to purchase shares of the

Company’s common stock. These detachable warrant instruments qualify for equity classification and have

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been allocated upon the relative fair value of the base instrument and the warrant. See Note 7 and Note 8 for additional information.

Revenue

In accordance with FASB’s ASC 606, Revenue from Contracts with Customers, or ASC 606, the Company recognizes revenue

when customers obtain control of promised goods or services, in an amount that reflects the consideration which the entity expects to
receive in exchange for those goods or services. To determine revenue recognition for arrangements that the Company determines are within
the scope of ASC 606, it performs the following five steps:

(i)

(ii)

(iii)

(iv)

(v)

identify the contract(s) with a customer;

identify the performance obligations in the contract;

determine the transaction price;

allocate the transaction price to the performance obligations in the contract; and

recognize revenue when (or as) the entity satisfies a performance obligation.

The Company applies the five-step model to contracts when it determines that it is probable it will collect the consideration it is

entitled to in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be
within the scope of ASC 606, the Company assesses the goods or services promised within each contract and determines those that are
performance obligations and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the
amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is
satisfied. See Note 9 and Note 10, respectively, for a full discussion of the Company’s product revenue and license revenue.

Research and Development

Research and development costs are charged to expense as incurred. Research and development costs include, but are not limited
to, personnel expenses, clinical trial supplies, fees for clinical trial services, manufacturing costs, consulting costs, and allocated overhead.

Costs for certain development activities, such as clinical trials, are recognized based on an evaluation of the progress to completion
of specific tasks using data such as subject enrollment, clinical site activations or information provided to the Company by its vendors with
respect to their actual costs incurred. Payments for these activities are based on the terms of the individual arrangements, which may differ
from the pattern of costs incurred, and are reflected in the financial statements as prepaid or accrued research and development expense, as
the case may be.

As part of the process of preparing its financial statements, the Company is required to estimate its expenses resulting from its

obligations under contracts with vendors, clinical research organizations and consultants, and under clinical site agreements in connection
with conducting clinical trials. The financial terms of these contracts are subject to negotiations, which vary from contract to contract and
may result in payment flows that do not match the periods over which materials or services are provided under such contracts. The
Company’s objective is to reflect the appropriate trial expenses in its financial statements by matching those expenses with the period in
which services are performed and efforts are expended. The Company may account for these expenses according to the progress of the trial
as measured by subject progression and the timing of various aspects of the trial. The Company determines accrual estimates through
financial models taking into account discussion with applicable personnel and outside service providers as to the progress or state of
consummation of trials, or the services completed. During the course of a clinical trial, the Company adjusts its clinical expense recognition
if actual results differ from its estimates. The Company makes estimates of its accrued expenses as of each balance sheet date based on the
facts and circumstances known to it at that time. The Company’s clinical trial accruals are dependent upon the timely and accurate reporting
of contract research organizations

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and other third-party vendors. Although the Company does not expect its estimates to be materially different from amounts actually
incurred, its understanding of the status and timing of services performed relative to the actual status and timing of services performed may
vary and may result in it reporting amounts that are too high or too low for any particular period. For the years ended December 31, 2022
and 2021, there were no material adjustments to the Company’s prior period estimates of accrued expenses for clinical trials.

Stock-Based Compensation

The Company has equity incentive plans under which various types of equity-based awards including, but not limited to,
incentive stock options, non-qualified stock options, and restricted stock unit awards, may be granted to employees, non-employee
directors, and non-employee consultants. At December 31, 2022, the Company had two stock-based compensation plans, which are more
fully described in Note 8. The Company also has an inducement plan under which various types of equity-based awards, including non-
qualified stock options and restricted stock awards, may be granted to new employees.

The Company has applied the fair value recognition provisions of Financial Accounting Standards Board Accounting Standards
Codification Topic 718, Compensation — Stock Compensation, to account for stock-based compensation for employees. The Company
recognizes compensation expense for all stock-based awards based on the estimated grant-date fair values. For restricted stock unit awards
to employees, the fair value is based on the closing price of the Company’s common stock on the date of grant. The value of the portion of
the award that is ultimately expected to vest is recognized as expense on a straight-line basis over the requisite service period.

The fair value of stock options is determined using the Black-Scholes option pricing model. The Company utilizes a dividend yield

of zero based on the fact that the Company has never paid cash dividends and has no current intention of paying cash dividends. The
Company elected an accounting policy to record forfeitures as they occur. For stock awards that vest based on performance conditions (e.g.,
achievement of certain milestones), expense is recognized when it is probable that the conditions will be met. See Note 8 for a discussion of
the assumptions used by the Company in determining the grant date fair value of options granted under the Black-Scholes option pricing
model, as well as a summary of the stock option activity under the Company’s stock-based compensation plan for all years presented.

Income Taxes

Income taxes are recorded in accordance with ASC Topic 740, Income Taxes, or ASC 740, which provides for deferred taxes

using an asset and liability approach. The Company recognizes deferred tax assets and liabilities for the expected future tax consequences
of events that have been included in the financial statements or tax returns. Deferred tax assets and liabilities are determined based on the
difference between the financial statement and tax bases of assets and liabilities using enacted tax rates in effect for the year in which the
differences are expected to reverse. Valuation allowances are provided, if based upon the weight of available evidence, it is more likely than
not that some or all of the deferred tax assets will not be realized.

The Company accounts for uncertain tax positions in accordance with the provisions of ASC 740. When uncertain tax positions

exist, the Company recognizes the tax benefit of tax positions to the extent that the benefit will more likely than not be realized. The
determination as to whether the tax benefit will more likely than not be realized is based upon the technical merits of the tax position, as
well as consideration of the available facts and circumstances. To date, the Company has not taken any uncertain tax position or recorded
any reserves, interest or penalties.

Comprehensive Income (Loss)

Comprehensive income (loss) is defined as the change in equity of a business enterprise during a period from transactions and

other events and circumstances from non-owner sources.

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Basic and Diluted Net Loss Per Share of Common Stock

The Company’s basic net loss per share is calculated by dividing the net loss by the weighted average number of shares of

common stock outstanding for the period. The diluted net loss per common share is computed by giving effect to all potential dilutive
common stock equivalents outstanding for the period. Because the impact of these items is anti-dilutive during periods of net loss, there was
no difference between basic and diluted net loss per share of common stock for all periods presented.

Recently Adopted Accounting Standards

In August 2020, the FASB issued ASU 2020-06, Debt — Debt with Conversion and Other Options (Subtopic 470-20), to address

the complexity associated with applying GAAP to certain financial instruments with characteristics of liabilities and equity, which the
Company adopted on January 1, 2022. ASU 2020-06 eliminated the beneficial conversion (and cash conversion) accounting models in ASC
470-20 that require separate accounting for embedded conversion features, and simplified the settlement assessment to determine whether it
qualifies for equity classification. In addition, the new guidance requires entities to use the if-converted method to calculate earnings per
share for all convertible instruments and to include the effect of share settlement for instruments that may be settled in cash or shares. The
Company adopted ASU 2020-06 using the modified retrospective approach and applied the guidance to all financial instruments that were
outstanding as of the beginning of 2022. As the Company had not previously separated any financial instruments under the beneficial
conversion or cash conversion accounting models, there was no cumulative effect adjustment to the opening balance of retained earnings as
a result of adopting ASU 2020-06.

3. Fair Value of Financial Instruments

ASC Topic 820, Fair Value Measurement, or ASC 820, establishes a fair value hierarchy for instruments measured at fair value

that distinguishes between assumptions based on market data (observable inputs) and the Company’s own assumptions (unobservable
inputs). Observable inputs are inputs that market participants would use in pricing the asset or liability based on market data obtained from
sources independent of the Company. Unobservable inputs are inputs that reflect the Company’s assumptions about the inputs that market
participants would use in pricing the asset or liability and are developed based on the best information available in the circumstances.

ASC 820 identifies fair value as the exchange price, or exit price, representing the amount that would be received to sell an asset or

paid to transfer a liability in an orderly transaction between market participants. As a basis for considering market participant assumptions
in fair value measurements, ASC 820 establishes a three-tier fair value hierarchy that distinguishes among the following:

Level 1—Valuations based on unadjusted quoted prices in active markets for identical assets or liabilities that the Company has the
ability to access.

Level 2—Valuations based on quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar
assets or liabilities in markets that are not active and models for which all significant inputs are observable, either directly or
indirectly.

Level 3—Valuations based on inputs that are unobservable and significant to the overall fair value measurement.

To the extent that the valuation is based on models or inputs that are less observable or unobservable in the market, the
determination of fair value requires more judgment. Accordingly, the degree of judgment exercised by the Company in determining fair
value is greatest for instruments categorized in Level 3. A financial instrument’s level within the fair value hierarchy is based on the lowest
level of any input that is significant to the fair value measurement.

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The following table presents the Company’s cash, cash equivalents, restricted cash, and warrant liability as of December 31, 2022

and 2021 (in thousands):

Description:
Assets:
Cash
Money Market Funds
Restricted Cash

Total assets measured and recorded at fair value

Liabilities:

Warrant Liability

Total liabilities measured and recorded at fair value

Description:
Assets:
Cash
Money Market Funds
Restricted Cash

Total assets measured and recorded at fair value

Liabilities:

Warrant Liability

Total liabilities measured and recorded at fair value

Quoted
Prices in
Active
Markets
(Level 1)

Significant
Other
Observable
Inputs
(Level 2)

Unobservable
Inputs
(Level 3)

     December 31, 

2022

$

$

$

9,651
28,669
1,960
40,280

$

9,651
28,669
1,960
$ 40,280

$

$

—  
— $

—

— $

—
—
—

$

— $

—  
— $

—
—
—
—

5,483
5,483

Quoted Prices
in Active
Markets
(Level 1)

Significant
Other
Observable
Inputs
(Level 2)

Unobservable
Inputs
(Level 3)

December 31, 
2021

$

$

$

8,148
58,775
1,311
68,234

$

$

—  
— $

— $
—  
—  
— $

—  
— $

—
— $
—  
—  
— $

—  
— $

—
—
—
—

—
—

(1) The fair value of Level 1 securities is estimated based on quoted prices in active markets for identical assets or liabilities.

The Company did not transfer any financial instruments into or out of Level 3 classification, during the year ended December 31, 2022

and 2021. There were no Level 3 financial instruments outstanding as of and for the year ended December 31, 2021.

The common stock warrants issued in connection with the Company’s equity raises in July 2022 and November 2022 were 

classified as liabilities at the time of issuance due to certain cash settlement adjustment features that were not deemed to be indexed to the 
Company’s stock.   The warrant liability is remeasured each reporting period with the change in fair value recorded to other income 
(expense) in the consolidated statement of operations and comprehensive loss until the warrants are exercised, expired, reclassified or 
otherwise settled. The fair value of the prefunded warrant liability is equal to its intrinsic value due to the nominal exercise price. The fair 
value of the warrant liability was estimated using a Black-Scholes Option Pricing Model. The significant assumptions used in preparing the 
option pricing model for valuing the Company's warrants to purchase shares of common stock included (i) volatility of 106.4 %, (ii) risk
free interest rate 4.0%, (iii) strike price ($0.263 - $2.95) per share, (iv) fair value of the Company’s common stock at the time of issuance
and again at each reporting period, and (v) expected life of 4.9 years.        

The Company classifies investments available to fund current operations as current assets on its balance sheets. As of

December 31, 2022 and 2021, the Company did not hold any investment securities exceeding a one-year maturity.

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Accretion of bond discount on marketable securities is included in other income as a separate component of other income
(expense) on the statement of operations and comprehensive loss. Interest income on marketable securities is recorded as interest income on
the statement of operations and comprehensive loss.

The Company recognizes transfers between levels of the fair value hierarchy as of the end of the reporting period. There were no

transfers between Level 2 and Level 3 during the years ended December 31, 2022 or 2021.

4. Inventories

Inventories are valued at the lower of cost or net realizable value. Cost is determined using the first-in, first-out method for all

inventories. Inventory includes the cost of API, raw materials and third-party contract manufacturing and packaging services. Indirect
overhead costs associated with production and distribution are recorded as period costs in the period incurred. OLINVYK was approved by
the FDA in August 2020. Prior to FDA approval, all manufacturing costs for OLINVYK were expensed to research and development. Upon
FDA approval, manufacturing costs for OLINVYK manufactured for commercial sale have been capitalized as inventory cost. Costs of
drug product to be consumed in any current or future clinical trials will continue to be recognized as research and development expense.

The Company periodically evaluates the carrying value of inventory on hand using the same lower of cost or net realizable value
approach as that used to initially value the inventory. Valuation adjustments may be required for slow-moving or obsolete inventory or in
any situations where market conditions have caused net realizable value to fall below the carrying cost of the inventory.

Finished goods
Inventory Valuation Adjustment
Total Inventories

$

     December 31, 2022      December 31, 2021
2,488
(136)
2,352

3,111
(2,205)
906

$

$

$

The Company recorded an inventory valuation adjustment of $2.1 million during the year ended December 31, 2022 and $0.1

million during the year ended December 31, 2021. The valuation adjustments recorded during the year ended December 31, 2022 were to
account for slow moving or obsolete inventory due to uncertainty of commercial activities and future expected OLINVYK sales. The
inventory adjustment recorded during the year ended December 31, 2021 was primarily related to a commercial batch that was not saleable
based on the Company’s quality requirements.

5. Property and Equipment, net

Property and equipment consisted of the following (in thousands):

Computers and software
Office equipment and furniture
Manufacturing equipment
Leasehold improvements
Leased assets
Total property and equipment
Less accumulated depreciation and amortization
Property and equipment, net

103

Estimated
Useful
     Life in Years     
3 - 5
5
5
10
5

December 31, 

2022

2021

$

$

408
721
10
3,082
29
4,250
(2,762)
1,488

$

$

476
721
10
3,082
45
4,334
(2,493)
1,841

    
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Depreciation and amortization expense was $0.4 for the years ended December 31, 2022 and 2021.

6. Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following (in thousands):

Compensation and benefits
Commercial expenses
Legal expenses
Clinical trial expenses
Pharmaceutical development expenses
Credit balances due to customers
Accrued purchases
Accrued interest
Other accrued expenses and other current liabilities
Total accrued expenses and other current liabilities

7. Loan Payable

December 31, 

2022

2021

$

$

1,965
93
381
1,421
201
67
—
522
811
5,461

$

$

2,132
107
124
550
161
87
271
—
415
3,847

In April 2022, the Company, through its wholly-owned subsidiary Trevena SPV2 LLC, entered into the Loan Agreement with R-
Bridge, pursuant to which the Company may be eligible to receive up to $40.0 million in term loan borrowings, or the R-Bridge Financing.
Term loan borrowings will be advanced in three tranches. The first tranche of $15.0 million was advanced in April 2022. The second
tranche of $10.0 million will become available upon achievement of either a commercial or financing milestone as set forth in the Loan
Agreement. The third tranche of $15.0 million will become available upon the first commercial sale of OLINVYK in China.

The following table summarizes the impact of the Loan Agreement on the Company’s consolidated balance sheet as follows (in thousands):

Principal
Unamortized debt discount
Loans payable, net
Current portion of loans payable, net
Carrying Value

December 31, 
2022

$

$

15,000
(1,570)
13,430
—
13,430

The term loans bear interest at a rate per annum equal to 7.00% and will mature on the earlier of (i) the fifteen (15) year

anniversary of the closing date in March 2022 and (ii) the date on which the license agreement with Nhwa expires. Repayment of any
borrowings and related interest will be made quarterly beginning June 30, 2022. Repayment will be in the form of (i) a 4.0% royalty
payment on the Company’s net sales of OLINVYK in the United States and (ii) proceeds from royalties from the Company’s license
agreement with Nhwa. In the event Nhwa obtains Chinese approval of OLINVYK by December 31, 2023, royalties from net sales of
OLINVYK in the United States will be capped at $10.0 million. In the event Chinese approval does not occur by December 31, 2023, the
royalties from net sales in the United States will increase to 7.0% and will continue until certain combined totals are paid from the license
agreement with Nhwa and royalties from net sales of OLINVYK in the United States. Upon a change in control or in the event the Company
elects to repay any outstanding borrowings prior to their contractual maturity, the Company is required to pay a control premium ranging
from 125% to 150% of the outstanding principal and interest at the time of repayment and in the event the Company has not obtained
approval for OLINVYK in China. In the event the Company obtains approval for OLINVYK in China, the premium, if triggered, would be
equal to the greater of (i) principal and interest and (ii) $10.0 million or $20.0 million depending on the timing in which the triggering event
occurs.

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In April 2022, the Company placed $2.0 million into an interest reserve account in connection with the Loan Agreement.
Payments of interest under the Loan Agreement are made quarterly from the royalty on the Company’s net sales of OLINVYK in the United
States and proceeds from royalties from the Company’s license agreement with Nhwa. On each interest payment date, if the royalty
payments received do not equal the total interest due for the respective quarter, the interest payment due will be paid from the interest
reserve account. This interest reserve account is classified as restricted cash in the Company’s consolidated balance sheet at December 31,
2022.

Repayments of all borrowings, interest and other related payments, under the Loan Agreement are guaranteed by the Company and

secured by substantially all of the assets associated with the license agreement with Nhwa, the Chinese intellectual property related to
OLINVYK, and deposit accounts established to hold amounts received on account for repayment of the borrowings and related interest
under the Loan Agreement. The Loan Agreement contains certain customary affirmative and negative covenants and contains customary
defined events of default, upon which any outstanding principal and unpaid interest shall be due on demand. At December 31, 2022, there
were no events of default pursuant to the Loan Agreement and the Company was in compliance with all covenants. Interest expense is
imputed based on the estimated loan repayment period, which takes into consideration the probability and timing of obtaining regulatory
approval in China and the potential future revenue in the United States and China. Changes in estimates are recognized prospectively and
may have a material impact on liability balance. As of December 31, 2022, the effective interest rate was 9%.

In connection with the first tranche borrowings in April 2022, the Company issued a warrant to R-Bridge to purchase 200,000

shares of the Company’s common stock at an initial exercise price of $20.50 per share and that is exercisable for three years. The Company
concluded the warrant was a freestanding equity-classified instrument to which the proceeds from the first tranche was allocated across the
debt and warrant on a relative fair value basis. In addition, the Company incurred lender fees and third-party costs of $0.5 million each and
were netted against the proceeds allocated to the debt and warrant. Fees netted against debt proceeds represent a debt discount and are
amortized into interest expense using the effective interest method. During the twelve months ended December 31, 2022, the Company
recognized interest expense of $1.3 milion, of which $0.1 million pertained to the amortization of the debt discount.  

The accounting for the Loan Agreement requires the Company to make certain estimates and assumptions, particularly about

future royalties under the license agreement with Nhwa and sales of OLINVYK in the United States and China. Such estimates and
assumptions are utilized in determining the expected repayment term, amortization period of the debt discount, accretion of interest expense
and classification between current and long-term portions of amounts outstanding. The Company amortizes the debt discount into interest
expense over the expected term of the arrangement using the interest method based on projected cash flows. Similarly, the Company
classifies as current debt for the Loan Agreement, amounts that are expected to be repaid during the succeeding twelve months after the
reporting period end. However, the repayment of amounts due under the Loan Agreement is variable because the cash flows to be utilized
for periodic payments is a function of amounts received by the Company with respect to the royalties and net product sales.

Accordingly, the estimates of the magnitude and timing of amounts to be available for debt service are subject to significant

variability and thus, subject to significant uncertainty. Therefore, these estimates and assumptions are likely to change, which may result in
future adjustments to the portion of the debt that is classified as a current liability, the amortization of debt discount and the accretion of
interest expense. Other amounts that may become due and payable under the Loan Agreement, including amounts shared between the
parties with respect to cash flows received in excess of pre-defined thresholds, are recognized as additional interest expense when they
become probable and estimable. The amount of principal to be repaid in each of the five succeeding years is not fixed and determinable.

8. Stockholders’ Equity

Under its Certificate of Incorporation, the Company was authorized to issue up to 200,000,000 shares of common stock as of

December 31, 2022 and December 31, 2021. The Company also was authorized to issue up to 5,000,000 shares of preferred stock as of
December 31, 2022 and December 31, 2021. The Company is required, at all

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times, to reserve and keep available out of its authorized but unissued shares of common stock sufficient shares to effect the conversion of
the shares of the preferred stock and all outstanding stock options and warrants.

ATM Programs

On April 17, 2019, the Company entered into a Common Stock Sales Agreement with H.C. Wainwright & Co., LLC, or
Wainwright, pursuant to which the Company may offer and sell through Wainwright, from time to time at the Company’s sole discretion,
shares of its common stock, having an aggregate offering price of up to $50.0 million, or the HCW ATM Program. Sales of the shares of
common stock are deemed to be “at-the-market offerings,” as defined in Rule 415 under the Securities Act. In December 2020, the
Company and Wainwright entered into Amendment No. 1 to Common Stock Sales Agreement, or the Amendment, to amend the Common
Stock Sales Agreement to, among other things, update the reference to the registration statement pursuant to which the shares of common
stock may be sold and to include an additional $50.0 million of shares of common stock in the HCW ATM Program. There were no shares
issued under the HCW ATM program during the year ended December 31, 2022. As of December 31, 2022, there was approximately $41.9
million remaining available for future issuances under the HCW ATM Program.

Registered Direct Offerings and Concurrent Warrant Issuances

In July 2022, the Company announced a targeted registered direct financing of 72 shares of the Company’s Series A convertible
preferred stock, or the Series A Preferred, and 8 shares of the Company’s Series B convertible preferred stock, or Series B Preferred. The 
shares of preferred stock issued in this offering are convertible into an aggregate of  320,000 shares of the Company’s common stock. The
Series A Preferred has voting rights equal to the number of shares of common stock into which the Series A Preferred is convertible. The
Series B Preferred has voting rights, only with respect to a proposal to effect a reverse split of the Company’s common stock, equal to
1,000,000 votes per share of Series B Preferred, provided that any votes cast by the Series B Preferred with respect to the reverse split
proposal must be counted by the Company in the same proportion as the shares of common stock and Series A Preferred voted on such
proposal. The shares of preferred stock were convertible at the option of the holder at any time following the date of issuance. In August
2022 the shares of preferred stock were converted into shares of common stock.

In connection with this registered direct offering, the Company also issued warrants to purchase 320,000 shares of common stock
(each, a “Common Stock Warrant”) (together with the Series A Preferred and Series B Preferred, the “Preferred Stock Transaction”). The
Common Stock Warrants have an exercise price of $6.575 per share, will be exercisable beginning on the later of six months following the
date of issuance and the effective date of a reverse stock split of our common stock in an amount sufficient to permit the exercise in full of
the Common Stock Warrants and will expire five and one-half years following the date of issuance. The Common Stock Warrants are
classified as a liability. The Company evaluates its warrants to determine if the contracts qualify as liabilities in accordance with ASC 480-
10, Distinguishing Liabilities from Equity and ASC 815, Derivatives and Hedging. The Common Stock Warrants, valued using the Black
Scholes valuation model, were initially recorded at their issuance date fair value and are remeasured on each subsequent balance sheet date
with changes in fair value recorded as a component of other income (expense), net.

The net proceeds from the Preferred Stock Transaction were allocated as follows:

Common Stock Warrant liability
Series A and Series B Preferred Stock
Gross Proceeds

$    

$    

1,519
481
2,000

The net proceeds related to the Preferred Stock Transaction were approximately $1.6 million.  Approximately $0.4 million of 

issuance costs were incurred and allocated on a pro rata basis to the Common Stock Warrant liability and the Series A and Series B 
Preferred Stock, respectively.  Approximately $0.3 million was allocated to the Common Stock Warrant liability and recorded in selling, 
general and administrative expenses.  The Series A and Series B Preferred Stock were recorded net of approximately $0.1 million of
issuance costs.

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The fair value of the Common Stock Warrant liability was determined using Level 3 inputs and was estimated using the Black-

Scholes valuation model. The assumptions used to estimate the fair value were as follows:

Expected term of warrants (in years)
Risk-free interest rate
Expected volatility
Dividend yield

July 29,
2022

     December 31,     
2022

5.0
2.7 %  
104.3 %  
— %  

4.6
4.0 %  
108.9 %  
— %  

The following is a roll forward of the Common Stock Warrant liability from date of issuance to December 31, 2022:

Date of issuance, July 29, 2022
Change in fair value
Balance, December 31, 2022

November 2022 Equity Offering and Warrant issuance

$    

$    

1,519
(1,260)
259

In November 2022, the Company completed a registered direct offering with a single institutional investor whereby the Company
sold (i) 765,000 shares of common stock, (ii) pre-funded warrants to purchase 1,849,380 shares of common stock with an exercise price of
$0.001 per share and (iii) warrants to purchase an aggregate of 2,614,380 shares of common stock at an initial exercise price of $2.95 per
share. The warrants are exercisable immediately on the date of issuance and will expire five years after the date of issuance. The pre-funded
warrants  are  exercisable  immediately  on  the  date  of  issuance  and  will  remain  outstanding  until  this  warrant  is  exercised  in  full.  The
Company received $7.6 million in net cash proceeds after deducting underwriter fees and other third-party costs. The pre-funded warrants
and warrants are liability classified as they contain certain cash settlement adjustment features that were outside of the Company’s control
or not deemed to be indexed to the Company’s stock, respectively.

Due to the nominal exercise price of the prefunded warrants, the fair value is equal to the intrinsitc value. The fair value of the
Common Stock Warrant liability was determined using Level 3 inputs and was estimated using the Black-Scholes valuation model. The
assumptions used to estimate the fair value were as follows:

Expected term of warrants (in years)
Risk-free interest rate
Expected volatility
Dividend yield

     November 18, 2022      December 31, 2022
4.9
4.0 %  
106.1 %  
— %  

5.0
4.0 %  
104.5 %  
— %  

The following is a roll forward of the Common Stock Warrant liability from date of issuance to December 31, 2022:

Date of Issuance, November 18
Change in fair value
Balance, December 31, 2021

107

$

     Warrant Liability
15,144
(9,920)
5,224

$

    
    
    
 
 
 
 
 
 
 
 
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Warrants

As of December 31, 2022, the Company had the following common stock warrants outstanding:

Classification

Outstanding,
December 31,
2021

Granted

Cancelled/Expired

July 2022 Offering
November 2022
Offering
November 2022
Offering
R-Bridge warrants
Other warrants

Liability

Liability

Liability
Equity
Equity

—

320,000

— 1,849,380

—   2,614,380
200,000
—
—
4,983,760

11,014  
11,014

—

—

—  
—
—  
—

Outstanding,
December 31,
2022
320,000

1,849,380

2,614,380
200,000
11,014
4,994,774

Exercise Price Per
Share

$6.58

0.001

Expiration Date

12/28/2027

Until exercised

2.95
20.50
31.25 - 265.48

11/18/2027
4/14/2025
1/29/24 - 3/31/27

Equity Incentive Plans

In 2008, the Company adopted the 2008 Equity Incentive Plan, as amended on February 29, 2008, January 7, 2010, July 8, 2010,

December 10, 2010, June 23, 2011 and June 17, 2013, collectively, the 2008 Plan, that authorized the Company to grant restricted stock
and stock options to eligible employees, directors and consultants to the Company.

In 2013, the Company adopted the 2013 Equity Incentive Plan, as amended on May 14, 2014, collectively, 2013 Plan. The 2013

Plan became effective upon the Company’s entry into the underwriting agreement related to its IPO in January 2014 and, as of such date, no
further grants were permitted under the 2008 Plan. The 2013 Plan provides for the grant of incentive stock options, nonqualified stock
options, stock appreciation rights, restricted stock awards, restricted stock unit awards, performance-based stock awards and other forms of
equity compensation (collectively, stock awards), all of which may be granted to employees, including officers, non-employee directors and
consultants of the Company. Additionally, the 2013 Plan provides for the grant of cash and stock-based performance awards. The 2013 Plan
contains an “evergreen” provision, pursuant to which the number of shares of common stock available for issuance under the plan
automatically increases on January 1 of each year beginning in 2015.

On December 15, 2016, the Company adopted the Trevena, Inc. Inducement Plan, or the Inducement Plan, effective January 1,
2017, pursuant to which the Company reserved 20,000 shares of the Company’s common stock for issuance under the Inducement Plan.
The Plan provides for nonqualified stock options and restricted stock unit awards. The only persons eligible to receive grants of awards
under the Inducement Plan are individuals who satisfy the standards for inducement grants under Nasdaq Marketplace Rule 5635(c)(4) and
the related guidance under Nasdaq IM 5635-1, including individuals who were not previously an employee or director of the Company or
are following a bona fide period of non-employment, in each case as an inducement material to such individual’s agreement to enter into
employment with the Company.

Under all Plans, the amount, terms of grants and exercisability provisions are determined by the board of directors or its designee.

The term of the options may be up to 10 years, and options are exercisable in cash or as otherwise determined by the board of directors or
its designee. Vesting generally occurs over a period of not greater than four years. For performance-based stock awards, the Company
recognizes expense when achievement of the performance condition is probable, over the requisite service period.

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The estimated grant-date fair value of the Company’s stock-based awards is amortized on a straight-line basis over the awards’

service periods. Stock-based compensation expense recognized was as follows (in thousands):

Research and development
Selling, general and administrative
Cost of goods sold
Total stock-based compensation

Stock Options

Year Ended December 31, 

2022

2021

$

$

806
2,871
(1)
3,676

$

$

1,066
3,303
38
4,407

A summary of stock option activity and related information from January 1, 2021 through December 31, 2022 follows:

Balance, January 1, 2021

Granted
Exercised
Forfeited/Cancelled

Balance, December 31, 2021

Granted
Exercised
Forfeited/Cancelled

Balance, December 31, 2022
Vested or expected to vest at December 31, 2022
Exercisable at December 31, 2022

Options Outstanding

Number of 
Shares

Weighted 
Average 
Exercise 
Price

382,561
149,905
(5,861)
(28,628)
497,977
39,998

$

$

—  

(186,266)
351,709
351,709
228,409

$
$
$

76.85  
39.91
32.10
70.20
66.64  
11.47
—
87.83
49.15  
49.15  
56.82  

Weighted 
Average 
Remaining 
Contractual 
Term 
(in years)

7.17

7.11

6.94
6.94
6.15

The aggregate intrinsic value of the options exercisable as of December 31, 2022 was zero, based on the difference between the

Company’s closing stock price of $1.43 and the exercise price of each stock option.

The Company uses the Black-Scholes option-pricing model to estimate the fair value of stock options at the grant date. The Black-

Scholes model requires the Company to make certain estimates and assumptions, including estimating the fair value of the Company’s
common stock, assumptions related to the expected price volatility of the Company’s stock, the period during which the options will be
outstanding, the rate of return on risk-free investments and the expected dividend yield for the Company’s stock.

The per-share weighted average grant date fair value of the options granted to employees and directors during the years ended

December 31, 2022 and 2021 was estimated at $8.88 and $31.19 per share, respectively, on the date of grant using the Black-Scholes
option-pricing model with the following weighted average assumptions:

Expected term of options (in years)
Risk-free interest rate
Expected volatility
Dividend yield

109

December 31, 

2022

2021

5.7  
2.7 %  
98.0 %  
— %  

6.2  
1.0 %    
98.0 %    
— %    

    
    
 
 
    
    
    
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
    
    
    
 
 
 
 
 
Table of Contents

The weighted average valuation assumptions were determined as follows:

● Risk-free interest rate: The Company based the risk-free interest rate on the interest rate payable on U.S. Treasury securities in effect

at the time of grant for a period that is commensurate with the assumed expected option term.

●

●

●

Expected term of options: Due to its lack of sufficient historical data, the Company estimates the expected life of its employee stock
options using the “simplified” method, as prescribed in Staff Accounting Bulletin No. 107.

Expected stock price volatility: The Company estimates the expected volatility based on the actual historical volatility of the
Company’s stock price using daily closing prices over a period equal to the expected term of the associated award.

Expected annual dividend yield: The Company estimated the expected dividend yield based on consideration of its historical
dividend experience and future dividend expectations. The Company has not historically declared or paid dividends to stockholders.
Moreover, it does not intend to pay dividends in the future, but instead expects to retain any earnings to invest in the continued
growth of the business. Accordingly, the Company assumed an expected dividend yield of 0.0%.

The Company elects to record forfeitures upon occurrence, rather than utilizing an estimate.

As of December 31, 2022, there was $2.9 million of total unrecognized compensation expense related to unvested stock options

that will be recognized over the weighted average remaining period of 2.06 years.

Restricted Stock Units

RSU-related expense is recognized on a straight-line basis over the vesting period. Upon vesting, these awards may be settled on a

net-exercise basis to cover any required withholding tax with the remaining amount converted into an equivalent number of shares of
common stock.

There were 14,201 shares of common stock withheld for employee teaxes as a result of the vested RSUs during the year ended

December 31, 2022 whose value was based on the Company’s closing stock price on the applicable vesting date. The shares withheld for
taxes are again available for issuance under the plan.

The following is a summary of changes in the status of non-vested RSUs from January 1, 2021 through December 31, 2022:

Non-vested at January 1, 2021

Granted
Vested
Forfeited/Cancelled

Non-vested at December 31, 2021

Granted
Vested
Forfeited

Non-vested at December 31, 2022

Number of 
Awards

Weighted 

Average 
Grant Date
Fair Value

150,849
174,332
(62,460)
(25,984)
236,737
233,987
(55,800)
(48,147)
366,777

$

41.59
17.50
30.05
40.96
26.97
1.83
27.19
30.55
10.43

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For the years ended December 31, 2022 and 2021, the Company recorded $1.5 million and $1.8 million, respectively, in stock-

based compensation expense related to RSUs, which is reflected in the statements of operations and comprehensive loss.

As of December 31, 2022, there was $3.7 million of total unrecognized compensation expense related to unvested RSUs that will

be recognized over the weighted average remaining period of 2.62 years.

Shares Available for Future Grant

At December 31, 2022, the Company has the following shares available to be granted:

Available at December 31, 2021
Authorized
Granted
Shares withheld for taxes not issued
Forfeited/Cancelled
Available at December 31, 2022

     Inducement 

2013 Plan
167,246
264,832
(273,985)
14,201
232,513
404,807  

Plan
10,100
—
—
—
1,900
12,000

Shares Reserved for Future Issuance

At December 31, 2022, the Company has reserved the following shares of common stock for issuance:

Stock options outstanding under 2013 Plan
Restricted stock units outstanding under 2013 Plan
Stock options outstanding under Inducement Plan
Shares reserved for future issuance under Inducement Plan
Shares reserved for future issuance under 2013 Employee Stock Purchase Plan
Warrants outstanding
Total shares of common stock reserved for future issuance

343,709
366,777
8,000
12,000
9,032
4,994,774
5,734,292

9. Commitments and Contingencies

Leases

The Company leases office space in Chesterbrook, Pennsylvania and equipment. The Company’s principal office is located at 955

Chesterbrook Boulevard, Chesterbrook, Pennsylvania, where the Company currently leases approximately 8,231 square feet of developed
office space on the first floor and 40,565 square feet of developed office space on the second floor. The lease term for this space extends
through May 2028. On October 11, 2018, the Company entered into an agreement with The Vanguard Group, Inc., or Vanguard, whereby
Vanguard agreed to sublease the 40,565 square feet of space on the second floor for an initial term of 37 months. On October 2, 2020,
Vanguard notified the Company that they exercised the first option to extend the sublease term for three years through November 30, 2024.
Vanguard has a second option to extend the sublease term for an additional three years through November 30, 2027. The sublease provides
for rent abatement for the first month of the term; thereafter, the rent payable to the Company by Vanguard under the sublease is (i) $0.50
less during months 2 through 13 of the sublease and (ii) in month 14 and thereafter of the sublease, $1.00 less than the base rent payable by
the Company under its master lease with Chesterbrook Partners, L.P. Vanguard also is responsible for paying to the Company all tenant
energy costs, annual operating costs, and annual tax costs attributable to the subleased space during the term of the sublease. Rent expense
and associated sublease income are recorded in the Company’s statements of operations and comprehensive loss as other income (expense).

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Supplemental balance sheet information related to leases was as follows (in thousands):

December 31, 2022

December 31, 2021

Operating leases:

Operating lease right-of-use assets
Other current lease liabilities
Operating lease liabilities

Total operating lease liabilities

Finance leases:

Property and equipment, at cost
Accumulated depreciation

Property and equipment, net
Other current lease liabilities
Other long-term liabilities

Total finance lease liabilities

The components of lease expense were as follows (in thousands):

Operating lease costs:

Operating lease rental expense
Other income

Total operating lease costs

Finance lease costs:

Amortization of right-of-use assets
Interest on lease liabilities

Total finance lease costs

$

$

$

$

4,224  
890
5,419
6,309

29
(4)
25
9
17
26

$

$

$

$

Year Ended
December 31, 

2022

2021

$

$

$

1,308
(1,330)
(22)

7
1
8

$

$

$

4,706
788
6,309
7,097

45
(41)
4
4
—
4

1,228
(1,186)
42

7
1
8

Supplemental cash flow information related to leases was as follows (in thousands):

Cash paid for amounts included in the measurement of lease liabilities

Operating cash flows from operating leases
Financing cash flows from finance leases

112

Year Ended
December 31, 

2022

2021

$

$

(295)
(8)

(265)
(8)

    
    
 
    
  
 
    
    
    
    
 
    
  
 
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Our lease liabilities will mature, as follows (in thousands):

Operating Leases

Financing Leases

2023
2024
2025
2026
2027 and beyond
Total minimum lease payments
Interest Expense

Lease liability

Per the terms of our sublease, we expect the following inflows (in thousands):

2023
2024
2025
2026
2027 and beyond
Total minimum lease payments

Weighted average lease term and discount rates are as follows:

Weighted average remaining lease term (years)

Operating leases
Finance leases

Weighted average discount rate

Operating leases
Finance leases

1,425
1,450
1,474
1,499
2,163
8,011
(1,702)
6,309

$

$

$

$

Sublease

$

11
11
7
—
—
29
(3)
26

1,139
995
—
—
—
2,134

Year Ended December 31, 

2022

2021

5
3

9.2%
6.5%

6
—

9.2%
6.5%

The Company had of $0.1 million and $0 deferred rent at December 31, 2022 and 2021, respectively, related to its facility leases.

10. Product Revenue

Performance Obligation

The Company’s performance obligation is the supply of finished pharmaceutical products to its customers. The Company’s

customers consist of major wholesale distributors. The Company’s customer contracts generally consist of both a master agreement, which
is signed by the Company and its customer, and a customer submitted purchase order, which is governed by the terms and conditions of the
master agreement.

Revenue is recognized when the Company transfers control of its products to the customer, which occurs at a point-in-time, upon

delivery.

The Company offers standard payment terms to its customers and has elected the practical expedient to not adjust the promised

amount of consideration for the effects of a significant financing, since the period between when the Company transfers the product to the
customer and when the customer pays for that product is one year or less. Taxes collected from customers relating to product revenue and
remitted to governmental authorities are excluded from

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revenues. The consideration amounts due from customers as a result of product revenue are subject to variable consideration.

The Company offers standard product warranties which provide assurance that the product will function as expected and in
accordance with specifications. Customers cannot purchase warranties separately and these warranties do not give rise to a separate
performance obligation. The Company permits the return of product under certain circumstances, mainly upon at or near product expiration,
instances of shipping errors or where product is damaged in transit. The Company accrues for the customer’s right to return as part of its
variable consideration. See below for further details.

Variable Consideration

The Company includes an estimate of variable consideration in its transaction price at the time of sale when control of the product

transfers to the customer. Variable consideration includes distributor chargebacks, prompt payment (cash) discounts, distribution service
fees and product returns.

The Company assesses whether or not an estimate of its variable consideration is constrained and has determined that the

constraint does not apply, since it is probable that a significant reversal in the amount of cumulative revenue will not occur in the future
when the uncertainty associated with the variable consideration is subsequently resolved. The Company’s estimates for variable
consideration are adjusted as required at each reporting period for specific known developments that may result in a change in the amount
of total consideration it expects to receive.

Distributor Chargebacks

When a product that is subject to a contractual price agreement is sold to a third party, the difference between the price paid to the

Company by the wholesaler and the price under the specific contract is charged back to the Company by the wholesaler. Utilizing this
information, the Company estimates a chargeback percentage for each product and records an allowance for chargebacks as a reduction to
revenue when the Company records sales of the products. We reduce the chargeback allowance when a chargeback request from a
wholesaler is processed. Reserves for distributor chargebacks are included in accounts receivable, net on the consolidated balance sheet.

Prompt Payment (Cash) Discounts

The Company provides customers with prompt payment discounts which may result in adjustments to the price that is invoiced for

the product transferred, in the case that payments are made within a defined period. The Company’s prompt payment discount reserves are
based on actual net sales and contractual discount rates. Reserves for prompt payment discounts are included in accounts receivable, net on
the consolidated balance sheet.

Distribution Service Fees

The Company pays distribution service fees to its customers based on a fixed percentage of the product price. These fees are not in
exchange for a distinct good or service and therefore are recognized as a reduction of the transaction price. The Company reserves for these
fees based on actual net sales, contractual fee rates negotiated with the customer and the mix of the products in the distribution channel that
remain subject to fees. Reserves for distribution service fees are included in accounts receivable, net on the consolidated balance sheet.

Product Returns

Generally, the Company’s customers have the right to return any unopened product during the eighteen (18) month period
beginning six (6) months prior to the labeled expiration date and ending twelve (12) months after the labeled expiration date. Six (6) months
following the launch of OLINVYK, the Company’s customers may have the right to return inventory remaining from their initial purchase,
if any, subject to certain terms and conditions. Since the Company currently does not have a history of OLINVYK returns, the Company
estimates returns based on industry data for comparable products in the market. As the Company distributes its product and establishes
historical sales over a

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longer period of time (i.e., two to three years), the Company will be able to place more reliance on historical purchasing, demand and return
patterns of its customers when evaluating its reserves for product returns. OLINVYK has a forty-eight (48) month shelf life.

The Company recognizes the amount of expected returns as a refund liability, representing the obligation to return the customer’s
consideration. Since the returns primarily consist of expired and short dated products that will not be resold, the Company does not record a
return asset for the right to recover the goods returned by the customer at the time of the initial sale (when recognition of revenue is deferred
due to the anticipated return). Accrued product return estimates are recorded in accrued expenses and other current liabilities on the
consolidated balance sheet.

Concentration of Revenue

The Company’s three customers account for 100% of total product revenue for the year ended December 31, 2021.

Sales-Related Deductions

The following table presents a rollforward of the major categories of sales-related deductions included in trade receivable

allowances for the year ended December 31, 2022 (in thousands):

Balance, January 1, 2022

Adjustment related to prior period sales

Balance, December 31, 2022

$

     Sales Discounts      Chargebacks      Fee for Service
45
(9)
36

41
(11)
30

1
—
1

$

$

$

$

$

As of December 31, 2022, the Company has $19,000 of outstanding accounts receivable and, as a result, the portion of the trade

allowance in excess of accounts receivable of $67,000 has been included with accrued expenses and other current liabilities on the
Company’s balance sheet.

The company also recorded a $0.4 million returns reserve adjustment from OLINVYK during the year ended December 31, 2022.

The adjustment was recorded to account for expected returns from our wholesalers.

11. License Revenue

License and Commercialization Agreement with Pharmbio Korea Inc.

In April 2018, the Company entered into an exclusive license agreement with Pharmbio Korea Inc., or Pharmbio, for the
development and commercialization of OLINVYK for the management of moderate to severe acute pain in South Korea. Under the terms
of the agreement, the Company received an upfront, non-refundable cash payment of $3.0 million (less applicable withholding taxes of
$0.5 million) in June 2018, and will receive a cash commercial milestone of up to $0.5 million if OLINVYK is approved in South Korea
and tiered royalties on product sales in South Korea ranging from high single digits to 20%, less applicable withholding taxes. As part of the
agreement, the Company also granted Pharmbio an option to manufacture OLINVYK, on a non-exclusive basis, for the development and
commercialization of the product in South Korea, subject to a separate arrangement to be entered into if Pharmbio exercises the option. The
license agreement is terminable by Pharmbio for any reason upon 180 days written notice.

In accordance with the terms of the agreement, Pharmbio is solely responsible for all development and regulatory activities in
South Korea. The parties have formed a Joint Development Committee with equal representation from the Company and Pharmbio to
provide overall coordination and oversight of the development of OLINVYK in South Korea. The parties also agreed to form a Joint
Manufacturing and Commercialization Committee at least six months prior to the anticipated date of regulatory approval of OLINVYK in
South Korea to provide overall coordination and oversight of the manufacture and commercialization of OLINVYK in South Korea.

License Agreement with Jiangsu Nhwa Pharmaceutical Co. Ltd.

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In April 2018, the Company also entered into an exclusive license agreement with Jiangsu Nhwa Pharmaceutical Co. Ltd., or

Nhwa, for the development and commercialization of OLINVYK for the management of moderate to severe acute pain in China. Under the
terms of this agreement, the Company received an upfront, non-refundable cash payment of $2.5 million (less applicable withholding taxes
of $0.3 million) in July 2018. In August 2020, the Company received a milestone payment of $3.0 million (less applicable withholding
taxes of $0.3 million), that became payable by Nhwa upon FDA approval of OLINVYK. The Company is also eligible to receive a cash
milestone payment of $3.0 million, subject to Chinese withholding taxes, upon regulatory approval of OLINVYK in China, up to an
additional $6.0 million of commercialization milestone payments based on product sales levels in China, and a ten percent royalty on all net
product sales in China, less applicable withholding taxes. As part of the agreement, the Company also granted Nhwa an option to
manufacture OLINVYK, on an exclusive basis in China, for the development and commercialization of the product in China. In the second
quarter of 2018, Nhwa elected to exercise this manufacturing option. The license agreement is terminable by Nhwa for any reason upon 180
days written notice.

In accordance with the terms of the agreement, Nhwa is solely responsible for all development and regulatory activities in China.

The parties have formed a Joint Development Committee with equal representation from the Company and Nhwa to provide overall
coordination and oversight of the development of OLINVYK in China. The parties also agreed to form a Joint Manufacturing and
Commercialization Committee at least six months prior to the anticipated date of regulatory approval of OLINVYK in China to provide
overall coordination and oversight of the manufacture and commercialization of OLINVYK in China.

For the year ended December 31, 2022 and 2021, license revenue in the accompanying statements of operations and

comprehensive loss is comprised of the following:

Pharmbio Korea Inc.
Jiangsu Nhwa Pharmaceutical Co. Ltd.
Total license revenues

Year Ended

December 31, 

2022

2021

$

$

20
—
20

$

$

—
69
69

License revenue recorded for the year ended December 31, 2022 related to materials shipped to PharmBio to support the

development of oliceridine efforts in South Korea. License revenue recorded for the year ended December 31, 2021 consisted of $0.1
million related to materials shipping to Nhwa to support the development of oliceridine efforts in China.

12. Net Loss Per Common Share

The following table sets forth the computation of basic and diluted net loss per share for the periods indicated (in thousands,

except share and per share data):

Basic and diluted net loss per common share calculation:
Net loss
Weighted average common shares outstanding
Net loss per share of common stock - basic and diluted

116

Year Ended December 31, 
2021
2022

$

$

(53,670)
7,072,362
(7.59)

$

$

(51,588)
6,529,074
(7.90)

    
    
    
 
    
    
 
 
Table of Contents

The pre-funded warrants to purchase common shares issued in connection with the November 2022 offering are included in the
calculation for basic and diluted net loss per share as the exercise price of $0.001 per share is non-substantive and is virtually assure. The
pre-funded warrants are more fully described in Note 8.

The following outstanding securities at December 31, 2022 and 2021 have been excluded from the computation of diluted

weighted shares outstanding, as they would have been anti-dilutive:

Options outstanding
RSUs outstanding
Warrants outstanding
Total

13. Income Taxes

December 31, 

2022
346,367  
366,777
3,145,394  
3,858,538  

2021
481,620  
236,737
11,014  
729,371  

The income tax provision for the years ended December 31, 2022 and 2021 are as follows (in thousands):

Current:
State
Federal
Foreign
Total
Deferred
State
Federal
Foreign
Total

Total income tax provision (benefit)

December 31, 

2022

2021

$

$

— $
—
—  
—  

—
—
—  
—  
— $

—
—
—
—

—
—
—
—
—

Deferred tax assets and liabilities reflect the net effects of net operating losses, or NOLs, and tax credit carryovers and temporary

differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax
purposes. Realization of the deferred tax assets is contingent on future taxable income and based upon the level of historical losses,
management has concluded that the deferred tax assets do not meet the more-likely-than-not threshold for realizability. Accordingly, a full
valuation allowance continues to be recorded against the Company's deferred tax assets as of December 31, 2022 and 2021. The
Company’s valuation allowance decreased by $7.5 million and increased $14.4 million for the years ended December 31, 2022 and 2021, 
respectively.  

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Significant components of the Company’s net deferred tax assets as of December 31, 2022 and 2021 are as follows (in thousands):

Deferred tax assets:

NOLs
Research and development credits
Research and development expenses capitalized for tax purposes
Equity-based compensation
Deferred rent
Depreciation
Other temporary differences
Total deferred tax assets

Deferred tax liabilities:
Prepaid expenses

Total deferred tax liabilities

Net deferred tax assets
Less valuation allowance
Net deferred tax asset

December 31, 

2022

2021

$

$

46,490
16,309
80,648
2,257
520
365
1,192
147,781

(436)
(436)
147,345
(147,345)

$

— $

40,810
15,575
93,254
3,960
691
312
657
155,259

(381)
(381)
154,878
(154,878)
—

A reconciliation of income tax expense computed at the statutory federal income tax rate to income taxes as reflected in the

financial statements is as follows:

Percent of pre-tax income:
U.S. federal statutory income tax rate
Permanent Differences
State taxes, net of federal benefit
Research and development credit
Reduction of state tax rate
Stock compensation
Other
Change in valuation allowance
Effective income tax rate

December 31, 

2022

2021

21.0 %  
1.3 %  
4.8 %  
1.5 %  
(37.7)%  
(3.2)%  
(1.7)%  
14.0 %  
— %  

21.0 %
(0.2) %
7.2 %
1.3 %
— %
(1.4) %
0.1 %
(28.0) %
— %

As of December 31, 2022, the Company had U.S. federal and state NOLs of $188.7 million and $174.3 million, respectively, that
begin to expire starting in 2027. As of December 31, 2022, the Company had federal research and development tax credit carryforwards of
$16.3 million that begin to expire in 2027. Net operating loss and tax credit carryforwards may become subject to annual limitations in the
event of certain cumulative changes in the ownership interest of significant stockholders over a three-year period in excess of 50%, as
defined by Sections 382 and 383 of the Internal Revenue Code as well as similar state provisions. This could limit the amount of tax
attributes that can be utilized annually to offset future taxable income or tax liabilities.

The Tax Cuts and Jobs Act of 2017 (TCJA) amended IRC Section 174 to require capitalization of all research and developmental
(R&D) costs incurred in tax years beginning after December 31, 2021. These costs are required to be amortized over five years if the R&D
activities are performed in the U.S., or over 15 years if the activities were performed outside the U.S. The Company capitalized
approximately $18.7 million of R&D expenses incurred as of December 31, 2022.  

During 2022, Pennsylvania enacted law that reduces the corporate net income tax rate through a phased in timeline starting in

2023 through each successive year through 2031 from its current 9.99% rate down to 4.99% by 2031. The Company adjusted its deferred
tax balances as of December 31, 2022 for the effect of the anticipated tax rates that

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are phased in during 2023-2031. The total adjustment amounted to a deferred tax expense of $25.7 million which was offset by a full
valuation allowance.

The Company files income tax returns in the U.S., the Commonwealth of Pennsylvania and various other states. Tax years for

2018 and thereafter are open and potentially subject to examination by the federal and state taxing authorities. The Company is currently not
under examination by the Internal Revenue Service or any other jurisdictions for any tax years. To the extent the Company utilizes any tax
attributes from a tax period that may otherwise be closed due to statute expiration, the Internal Revenue Service, state tax authorities, or
other governing parties may still adjust the tax attributes upon their examination of the future period in which the attribute was utilized.
There are no uncertain tax positions recorded for any federal or state positions. The Company’s policy is to record interest and penalties
related to tax matters in income tax expense.

14. Employee Benefit Plan

The Company sponsors a 401(k) defined contribution plan for its employees. Employee contributions are voluntary. The Company

matches employee contributions in an amount equal to 100% of the first 3% of eligible compensation and 50% of the next 2% of eligible
compensation, and such employer contributions are immediately vested. During each of the years ended December 31, 2022 and 2021, the
Company provided matching contributions of $0.3 million.

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

An evaluation was performed under the supervision and with the participation of our management, including our Chief Executive

Officer, or CEO, and our Chief Financial Officer, or CFO, of the effectiveness of our disclosure controls and procedures, as such term is
defined under Rule 13a-15(e) promulgated under the Exchange Act as of December 31, 2021.

Based on that evaluation, our management, including our CEO and CFO, concluded that as of December 31, 2022 our disclosure
controls and procedures were effective to ensure that information required to be disclosed by us in reports that we file or submit under the
Exchange Act, is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the Securities
and Exchange Commission and that such information is accumulated and communicated to the Company’s management, including our
CEO and CFO, as appropriate to allow timely decisions regarding required disclosure.

Changes in Internal Control over Financial Reporting

There have been no changes in our internal control over financial reporting during our most recent fiscal quarter that have

materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Management’s Report on Internal Control Over Financial Reporting

Management’s Report on Internal Control Over Financial Reporting is included in Part II, Item 8 of this Annual Report on

Form 10-K and incorporated into this Item 9A by reference.

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ITEM 9B. OTHER INFORMATION

None.

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ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

PART III

The information concerning our executive offers required by this Item 10 is provided under the caption “Information about our
Executive Officers” in Part I, Item 1 of this Annual Report on Form 10-K. All other information required by this Item 10 is incorporated
herein by reference to the information responsive thereto contained in our definitive proxy statement related to the 2023 annual meeting of
stockholders, to be filed within 120 days after the end of the year covered by this Annual Report on Form 10-K.

ITEM 11. EXECUTIVE COMPENSATION

The information required by this Item 11 is incorporated by reference to the information responsive thereto contained in our

definitive proxy statement related to the 2023 annual meeting of stockholders, to be filed within 120 days after the end of the year covered
by this Annual Report on Form 10-K.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED
STOCKHOLDER MATTERS

Securities Authorized for Issuance under Equity Compensation Plans

The following table provides certain information with respect to all of our equity compensation plans in effect as of December 31,

2022:

Plan Category
Equity compensation plans approved by stockholders
Equity compensation plans not approved by stockholders
Total

     Number of

Securities to be
Issued Upon
Exercise of
Outstanding
Options,
Warrants and
Rights
 710,486
 8,000
 718,486

     Number of
Securities
Remaining
Available
for Issuance
Under Equity
Compensation
Plans
 404,807
 12,000
 416,807

Weighted Average
Exercise Price of
Outstanding
Options, Warrants
and Rights

$

$

 49.25  
 44.50  
 49.20  

(1)

(2)

Includes 9,032 shares of our common stock issuable under our 2013 Employee Stock Purchase Plan, or the 2013 ESPP. The number of
shares of our common stock reserved for issuance under our 2013 ESPP will automatically increase on January 1 of each year, beginning
on January 1, 2015 and continuing through and including January 1, 2023, by the number of shares equal to the least of (i) 9,032, (ii) the
total number of shares of common stock issued under the 2013 ESPP during the immediately preceding calendar year, and (iii) such
lower number of shares determined by our Board of Directors.

Includes 404,807 shares of our common stock available for issuance under our 2013 Equity Incentive Plan. On January 1, 2015 and
annually thereafter through January 1, 2023, the number of authorized shares under our 2013 Equity Incentive Plan will automatically
increase by a number of shares equal to the lesser of: (i) 4% of the number of our shares issued and outstanding prior to the preceding
December 31; or (ii) an amount determined by our Board of Directors.

(3) On December 15, 2016, our Board of Directors adopted the Trevena, Inc. Inducement Plan, or the Inducement Plan, which became
effective on January 1, 2017, pursuant to which we reserved 20,000 shares of our common stock for issuance under the Inducement
Plan. As of December 31, 2022, 12,000 shares remain eligible for issuance under the Inducement Plan.

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Other

The other information required by Item 12 is incorporated by reference to the information responsive thereto contained in our

definitive proxy statement related to the 2023 annual meeting of stockholders, to be filed within 120 days after the end of the year covered
by this Annual Report on Form 10-K.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

The information required by Item 13 is incorporated by reference to the information responsive thereto contained in our definitive

proxy statement related to the 2023 annual meeting of stockholders, to be filed within 120 days after the end of the year covered by this
Annual Report on Form 10-K.

ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

The information required by Item 14 is incorporated by reference to the information responsive thereto contained in our definitive

proxy statement related to the 2023 annual meeting of stockholders, to be filed within 120 days after the end of the year covered by this
Annual Report on Form 10-K.

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ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES

(a) DOCUMENTS FILED AS PART OF THIS REPORT

PART IV

The following is a list of our financial statements and supplementary data included in this Annual Report on Form 10-K under

Item 8 of Part II hereof:

1. FINANCIAL STATEMENTS AND SUPPLEMENTAL DATA

Report of Ernst & Young LLP, Independent Registered Public Accounting Firm (PCAOB ID:42).

Consolidated Balance Sheets as of December 31, 2022 and 2021.

Consolidated Statements of Operations and Comprehensive Loss for the years ended December 31, 2022 and 2021.

Consolidated Statements of Stockholders’ Equity for the Period From January 1, 2021 to December 31, 2022.

Consolidated Statements of Cash Flows for the years ended December 31, 2022 and 2021.

Notes to Consolidated Financial Statements for the years ended December 31, 2022 and 2021.

90

92

93

94

95

96

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(b) EXHIBITS

The following is a list of exhibits filed as part of this Annual Report on Form 10-K. Where so indicated by footnote, exhibits that
were previously filed are incorporated by reference. For exhibits incorporated by reference, the location of the exhibit in the previous filing
is indicated.

Exhibit
Number
3.1

3.2

3.3

3.4

3.5

3.6

3.7

4.1
4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

10.1

Description

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, filed with the SEC on February 5, 2014).

Certificate of Amendment of Amended and Restated Certificate of Incorporation of the Registrant (incorporated by
reference to Exhibit 3.1 to Registrant’s Current Report on Form 8-K, filed with the SEC on May 21, 2018).

Certificate of Amendment of Amended and Restated Certificate of Incorporation of the Registrant (incorporated by
reference to Exhibit 3.1 to Registrant’s Current Report on Form 8-K, filed with the SEC on November 9, 2022).

Certificate of Designation of Preferences, Rights and Limitations of Series A Convertible Preferred Stock
(incorporated by reference to Exhibit 3.1 to Registrant’s Current Report on Form 8-K, filed with the SEC on August 1,
2022)
Certificate of Designation of Preferences, Rights and Limitations of Series B Convertible Preferred Stock
(incorporated by reference to Exhibit 3.2 to Registrant’s Current Report on Form 8-K, filed with the SEC on August 1,
2022).
Amended and Restated Bylaws of the Registrant (incorporated by reference to Exhibit 3.2 to the Registrant’s Current
Report on Form 8-K, filed with the SEC on February 5, 2014).
Amendment No. 1 to Amended and Restated Bylaws of the Registrant (incorporated by reference to Exhibit 3.3 to
Registrant’s Current Report on Form 8-K, filed with the SEC on August 1, 2022)
Reference is made to Exhibits 3.1 and 3.3.
Specimen stock certificate evidencing shares of Common Stock of the Registrant (incorporated by reference to
Exhibit 4.2 to the Registrant’s Registration Statement on Form S-1, as amended (File No. 333-191643), originally filed
with the SEC on October 9, 2013).
Form Warrant issued by Trevena, Inc. to Oxford Finance LLC, Pacific Western Bank and Three Point Capital, LLC
(incorporated by reference to Exhibit 4.1 to the Registrant’s Current Report on Form 8-K, filed with the SEC on
December 23, 2015).
Warrant to purchase shares of Series B preferred stock issued to Comerica Bank, dated December 9, 2011
(incorporated by reference to Exhibit 10.3 to the Registrant’s Registration Statement on Form S-1, as amended (File
No. 333-191643), originally filed with the SEC on October 9, 2013).
Form of Warrant issued by Trevena, Inc. to H.C. Wainwright & Co., LLC or its designees (incorporated by reference
to Exhibit 4.1 to the Registrant’s Current Report on Form 8-K, filed with the SEC on February 1, 2019).
Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934
(incorporated by reference to Exhibit 4.6 to the Registrant’s Annual Report on Form 10-K, filed with the SEC on
March 12, 2020
Form of Warrant (incorporated by reference to Exhibit 4.1 to Registrant’s Current Report on Form 8-K,filed with the
SEC on August 1, 2022
Form of Pre-Funded Warrant (incorporated by reference to Exhibit 4.1 to Registrant’s Current Report on Form 8-K,
filed with the SEC on November 18, 2022)
Form of Warrant (incorporated by reference to Exhibit 4.2 to Registrant’s Current Report on Form 8-K, filed with the
SEC on November 18, 2022).
Amended and Restated Investor Rights Agreement, dated as of May 3, 2013, by and among the Registrant and certain
of its stockholders (incorporated by reference to Exhibit 10.5 to the Registrant’s Registration Statement on Form S-1,
as amended (File No. 333-191643), filed with the SEC on October 9, 2013).

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10.2

10.3

10.4

10.5+

10.6+

10.7+

10.8+

10.9+

10.10+

10.11+

10.12+

10.13+

10.14+

10.15+

10.16+

10.17+

10.18+

10.19+

Agreement of Lease between Chesterbrook Partners, LP and Trevena, Inc. for 955 Chesterbrook Blvd., Suite 200,
Wayne, PA, dated as of December 9, 2016 (incorporated by reference to Exhibit 10.12 to the Registrant’s Annual
Report on Form 10-K filed with the SEC on March 8, 2017).
First Amendment dated June 12, 2017 to Agreement of Lease between Chesterbrook Partners, LP and Trevena, Inc. for
955 Chesterbrook Blvd., Suite 200, Chesterbrook, PA as of December 9, 2016 (incorporated by reference to
Exhibit 10.1 to the Registrant’s Quarterly Report on Form 10-Q filed with the SEC on August 3, 2017).
Sublease Agreement dated as of October 11, 2018 by and between The Vanguard Group, Inc. and Trevena, Inc.
(incorporated by reference to Exhibit 10.3 to the Registrant’s Quarterly Report on Form 10-Q, filed with the SEC on
November 8, 2018).
2008 Equity Incentive Plan, as amended to date (incorporated by reference to Exhibit 10.9 to the Registrant’s
Registration Statement on Form S 1, as amended (File No. 333 191643), filed with the SEC on October 9, 2013).
Form of Stock Option Agreement under 2008 Equity Incentive Plan (incorporated by reference to Exhibit 10.10 to the
Registrant’s Registration Statement on Form S-1, as amended (File No. 333-191643), filed with the SEC on October 9,
2013).
2013 Equity Incentive Plan (incorporated by reference to Exhibit 99.1 to the Registrant’s Registration Statement on
Form S 8 (File No. 333 195957), filed with the SEC on May 14, 2014).
Form of Stock Option Grant Notice and Stock Option Agreement under 2013 Equity Incentive Plan (incorporated by
reference to Exhibit 10.12 to the Registrant’s Registration Statement on Form S-1, as amended (File No. 333-191643),
filed with the SEC on October 9, 2013).
Form of Stock Option Grant Notice and Stock Option Agreement under 2013 Equity Incentive Plan (incorporated by
reference to Exhibit 10.5 to Registrant’s Quarterly Report on Form 10-Q, filed with the SEC on May 7, 2015).

Form of Restricted Stock Grant Notice and Restricted Stock Unit Award Agreement under 2013 Equity Incentive Plan
(incorporated by reference to Exhibit 10.13 to the Registrant’s Registration Statement on Form S-1, as amended (File
No. 333-191643), filed with the SEC on October 9, 2013).
Trevena, Inc. Inducement Plan, effective January 1, 2017 (incorporated by reference to Exhibit 10.1 to Registrant’s
Current Report on Form 8-K, filed with the SEC on December 19, 2016).
Form of Stock Option Grant Notice and Stock Option Agreement used in connection with the Trevena, Inc.
Inducement Plan (incorporated by referenced to Exhibit 10.2 to Registrant’s Current Report on Form 8-K, filed with the
SEC on December 19, 2016).
Form of Restricted Stock Unit Grant Notice and Restricted Stock Unit Award Agreement used in connection with
Trevena, Inc. Inducement Plan (incorporated by reference to Exhibit 10.3 to Registrant’s Current Report on Form 8-K,
filed with the SEC on December 19, 2016).
Trevena, Inc. Incentive Compensation Plan, effective as of January 1, 2015 (incorporated by reference to Exhibit 10.1
to Registrant’s Current Report on Form 8-K, filed with the SEC on January 5, 2015).
Trevena, Inc. Non-Employee Director Compensation Policy, effective as of January 1, 2016 (incorporated by reference
to Exhibit 10.1 to Registrant’s Current Report on Form 8-K, filed with the SEC on December 11, 2015).
Trevena, Inc. Non-Employee Director Compensation Policy, effective as of February 28, 2018 (incorporated by
reference to Exhibit 10.1 to the Registrant’s Form 8-K filed with the SEC on March 2, 2018).
2013 Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.15 to the Registrant’s Registration
Statement on Form S-1, as amended (File No. 333-191643), filed with the SEC on October 9, 2013).
Form of Indemnity Agreement with executives and directors (incorporated by reference to Exhibit 10.16 to the
Registrant’s Registration Statement on Form S-1, as amended (File No. 333-191643), filed with the SEC on October 9,
2013).
Amended and Restated Executive Employment Agreement dated as of May 1, 2020, by and between Trevena, Inc. and
Carrie L. Bourdow (incorporated by reference to Exhibit 10.2 to the Registrant’s Quarterly Report on Form 10-Q, filed
with the SEC on May 7, 2020).

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10.20+

10.21+

10.22+

10.23

10.24

10.25

10.26

10.27

10.28*

10.29*

10.30

10.31

10.32

10.33

10.34

10.35

Amended and Restated Executive Employment Agreement dated as of May 1, 2020 by and between Trevena, Inc. and
Mark A. Demitrack (incorporated by reference to Exhibit 10.3 to the Registrant’s Quarterly Report on Form 10-Q, filed
with the SEC on May 7, 2020).
Amended and Restated Executive Employment Agreement dated as of May 1, 2020 by and between Trevena, Inc. and
Robert T. Yoder (incorporated by reference to Exhibit 10.4 to the Registrant’s Quarterly Report on Form 10-Q, filed
with the SEC on May 7, 2020).
Amended and Restated Executive Employment Agreement dated as of May 1, 2020 by and between Trevena, Inc. and
Barry Shin (incorporated by reference to Exhibit 10.5 to Registrant’s Quarterly Report on Form 10-Q, filed with the
SEC on May 7, 2020).
Loan and Security Agreement, dated September 19, 2014, by and among Trevena, Inc., as borrower, Oxford
Finance LLC, as collateral agent and lender, and Square 1 Bank, as lender (incorporated by reference to Exhibit 10.1 to
the Registrant’s Current Report on Form 8-K, filed with the SEC on September 22, 2014).
First Amendment to Loan and Security Agreement, dated April 13, 2015, by and among Trevena, Inc., as borrower,
Oxford Finance LLC, as collateral agent and lender, and Square 1 Bank, as lender (incorporated by reference to
Exhibit 10.1 to Registrant’s Current Report on Form 8-K, filed with the SEC on April 13, 2015).
Second Amendment to Loan and Security Agreement dated December 23, 2015, by and among Trevena, Inc., as
borrower, Oxford Finance LLC, as collateral agent and lender, and Pacific Western Bank (as the successor to Square 1
Bank), as lender (incorporated by reference to Exhibit 10.1 to Registrant’s Current Report on Form 8-K, filed with the
SEC on December 23, 2015).
Third Amendment to Loan and Security Agreement dated December 30, 2016, by and between Trevena, Inc., as
borrower, Oxford Finance LLC, as collateral agent and lender, and Pacific Western Bank (as successor to Square 1
Bank), as lender (incorporated by reference to Exhibit 10.1 to Registrant’s Current Report on Form 8-K, filed with the
SEC on January 4, 2017).
Fourth Amendment and Consent to Loan and Security Agreement dated as of October 11, 2018 by and between
Oxford Finance LLC, Pacific Western Bank, and Trevena, Inc. (incorporated by reference to Exhibit 10.2 to
Registrant’s Quarterly Report on Form 10-Q, filed with the SEC on November 8, 2018).
Master Commercial Supply Agreement dated October 20, 2017 by and between Alcami Corporation and Trevena, Inc.
(incorporated by reference to Exhibit 10.45 to Registrant’s Annual Report on Form 10-K/A, filed with the SEC on June
14, 2018).
Development and Supply Agreement by and between Pfizer, Inc. and Trevena, Inc. dated as of December 15, 2016
(incorporated by reference to Exhibit 10.46 to Registrant’s Annual Report on Form 10-K/A, filed with the SEC on June
14, 2018).
Amendment No. 2 to Development and Supply Agreement by and between Pfizer, Inc. and Trevena, Inc., dated
December 2, 2019 (incorporated by reference to Exhibit 10.1 to Registrant’s Current Report on Form 8-K, filed with
the SEC on December 9, 2019).
Common Stock Sales Agreement, dated April 17, 2019, by and between Trevena, Inc. and H.C. Wainwright & Co.,
LLC (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K, filed with the SEC on
April 17, 2019).
Amendment No, 1 to Common Stock Sales Agreement, dated December 31, 2020, by and between Trevena, Inc. and
H.C. Wainwright & Co., LLC (incorporated by reference to Exhibit 10.1 to Registrant’s Current Report on Form 8-K,
filed with the SEC on December 31, 2020).
Loan Agreement, dated March 30, 2022, by and among R-Bridge Investment Four Pte. Ltd., as lender,
and Trevena SPV2 LLC, as borrower (incorporated by reference to Exhibit 10.1 to Registrant’s Current Report on
Form 10-Q, filed with the SEC on May 11, 2022).
Revenue Interest Purchase Agreement, dated March 30, 2022, by and among Trevena, Inc., as seller, and Trevena
SPV2 LLC, as Company (incorporated by reference to Exhibit 10.2 to Registrant’s Current Report on Form 10-Q, filed
with the SEC on May 11, 2022).
Contribution and Servicing Agreement, dated March 30, 2022, by and among Trevena, Inc., as
contributor, and Trevena SPV2 LLC, as Company (incorporated by reference to Exhibit 10.3 to
Registrant’s Current Report on Form 10-Q, filed with the SEC on May 11, 2022).

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10.36

10.37

23.1#
31.1#

31.2#

32.1#

32.2#

101#

104#

Form of Securities Purchase Agreement (incorporated by reference to Exhibit 10.1 to Registrant’s Current Report on
Form 8-K, filed with the SEC on August 1, 2022).
Form of Securities Purchase Agreement (incorporated by reference to Exhibit 10.1 to Registrant’s Current Report on
Form 8-K, filed with the SEC on November 18, 2022).
Consent of Independent Registered Public Accounting Firm.
Certification of the Principal Executive Officer pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act
of 1934.
Certification of the Principal Financial Officer pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act
of 1934.
Certification of the Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002.
Certification of the Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002.
The following financial information from this Annual Report on Form 10-K for the periods ended December 31, 2022
and 2021, formatted in Inline XBRL (eXtensible Business Reporting Language): (i) Balance Sheets as of
December 31, 2022 and 2021, (ii) Statements of Operations and Comprehensive Loss for the years ended
December 31, 2022 and 2021, (iii) Statement of Redeemable Convertible Preferred Stock and Stockholders’ Equity as
of December 31, 2022 and 2021, (iv) Statements of Cash Flows for the years ended December 31, 2022 and 2021 and
(v) Notes to Financial Statements, tagged as blocks of text.
Cover Page Interactive Data File – The cover page interactive data file does not appear in the Interactive Data File
because its XBRL tags are embedded within the Inline XBRL document.

#     Filed herewith.

+     Indicates management contract or compensatory plan.

*     Portions of this exhibit, indicated by asterisks, have been omitted and separately filed with the Securities and Exchange Commission

pursuant to a request for confidential treatment that has been granted by the Securities and Exchange Commission.

127

Table of Contents

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this

report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: March 30, 2023

TREVENA, INC.
By:

/s/ Carrie L. Bourdow

Carrie L. Bourdow
President and Chief Executive Officer
(Principal Executive Officer)

Pursuant to the requirements of the Securities Exchange Act of 1934, 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

Title

Date

/s/ Carrie L. Bourdow
Carrie L. Bourdow

President, Chief Executive Officer and Director
(Principal Executive Officer)

/s/ Barry Shin
Barry Shin

Chief Financial Officer
(Principal Financial and Accounting Officer)

/s/ Leon O. Moulder, Jr.
Leon O. Moulder, Jr

/s/ Scott Braunstein
Scott Braunstein, M.D.

/s/ Michael R. Dougherty
Michael R. Dougherty

/s/ Marvin H. Johnson, Jr.
Marvin H. Johnson, Jr.

/s/ Jake R. Nunn
Jake R. Nunn

/s/ Anne M. Phillips
Anne M. Phillips, M.D.

/s/ Barbara Yanni
Barbara Yanni

Chairman, Board of Directors

Director

Director

Director

Director

Director

Director

128

March 30, 2023

March 30, 2023

March 30, 2023

March 30, 2023

March 30, 2023

March 30, 2023

March 30, 2023

March 30, 2023

March 30, 2023

   
   
We consent to the incorporation by reference in the following Registration Statements:

Consent of Independent Registered Public Accounting Firm

1) Registration Statement (Form S-8 No. 333-193735) pertaining to the 2008 Equity Incentive Plan, the 2013 Equity Incentive plan

and the 2013 Employee Stock Purchase Plan of Trevena, Inc.

2) Registration Statements (Form S-8 Nos. 333-195957, 333-201672, 333-208948, 333-215421, 333-222471, 333-229161, 333-

235942, 333-252350, 333-262377, and 333-269396) pertaining to the 2013 Equity Incentive Plan of Trevena, Inc.

3) Registration Statement (Form S-8 No. 333-215420) pertaining to the Trevena, Inc. Inducement Plan.
4) Registration Statement (Form S-3 No. 333-251006) of Trevena Inc.

Exhibit 23.1

of our report dated March 30, 2023, with respect to the financial statements of Trevena, Inc. included in this Annual Report (Form 10-K) of
Trevena, Inc. for the year ended December 31, 2022.

Philadelphia, Pennsylvania
March 30, 2023

/s/ Ernst & Young LLP

 
Certification of Principal Executive Officer of Trevena, Inc.
Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31.1

I, Carrie L. Bourdow, certify that:

1.

2.

3.

4.

I have reviewed this Annual Report on Form 10-K of Trevena, Inc.;

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;

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;

The registrant’s other certifying officer 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.

b.

c.

d.

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 is made known to us by others within those entities,
particularly during the period in which this report is being prepared;

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;

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

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 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.

b.

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

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: March 30, 2023

/s/ CARRIE L. BOURDOW
Carrie L. Bourdow
President and Chief Executive Officer
(Principal Executive Officer)

Exhibit 31.2

Certification of Principal Financial Officer of Trevena, Inc.
Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Barry Shin, certify that:

1.

2.

3.

4.

I have reviewed this Annual Report on Form 10-K of Trevena, Inc.;

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;

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;

The registrant’s other certifying officer 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.

b.

c.

d.

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 is made known to us by others within those entities,
particularly during the period in which this report is being prepared;

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;

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

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 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.

b.

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

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: March 30, 2023

/s/ BARRY SHIN
Barry Shin
Chief Financial Officer
(Principal Financial Officer)

Certification Of
Principal Executive 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

In connection with the Annual Report of Trevena, Inc. (the “Company”) on Form 10-K for the year ended December 31, 2022, as

filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Carrie L. Bourdow, President and Chief Executive
Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002,
that to my knowledge:

1)           The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2)           The information contained in the Report fairly presents, in all material respects, the financial condition of the Company at the end of

the period covered by the Report and results of operations of the Company for the period covered by the Report.

Date: March 30, 2023

/s/ CARRIE L. BOURDOW
Carrie L. Bourdow
President and Chief Executive Officer
(Principal Executive Officer)

This certification accompanies the Report and shall not be deemed “filed” by the Company 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
Securities Exchange Act of 1934, as amended (whether made before or after the date of the Report), irrespective of any general
incorporation language contained in such filing.

Certification Of
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 32.2

In connection with the Annual Report of Trevena, Inc. (the “Company”) on Form 10-K for the year ended December 31, 2022, as

filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Barry Shin, Chief Financial Officer, certify,
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

1)           The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2)           The information contained in the Report fairly presents, in all material respects, the financial condition of the Company at the end of

the period covered by the Report and results of operations of the Company for the period covered by the Report.

Date: March 30, 2023

/s/ BARRY SHIN
Barry Shin
Chief Financial Officer
(Principal Financial Officer)

This certification accompanies the Report and shall not be deemed “filed” by the Company 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
Securities Exchange Act of 1934, as amended (whether made before or after the date of the Report), irrespective of any general
incorporation language contained in such filing.