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Assembly Biosciences, Inc.

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FY2014 Annual Report · Assembly Biosciences, Inc.
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Assembly Biosciences  
2014 Annual Report 

Company Profile 

(“Assembly”) 

is  a 
Assembly  Biosciences 
biopharmaceutical  company  committed 
to 
developing novel oral  therapies  for  the  cure of 
intractable  infectious  diseases,  focusing  on 
hepatitis  B  virus 
(HBV)  and  C.  difficile-
associated infections (CDAD).  

On  July  11,  2014,  Assembly  Biosciences  was 
formed  by  the  merger  of  private  company 
Assembly  Pharmaceuticals,  Inc.  and  Nasdaq-
listed Ventrus Biosciences, Inc.  

Assembly  is  committed  to  advancing  science 
and  enhancing  the  health  and  well-being  of 
patients with hard-to-treat infectious diseases by 
building  a  world  class  company  focused  on 
certain intractable conditions. 

Assembly has administrative offices in New York 
City  and  research  facilities  in  San  Francisco, 
California.  Research  activities 
the  HBV 
program  are  also  being  conducted  at  Indiana 
University at Bloomington. 

for 

Pipeline Progress – Building Momentum 

HBV Lifecycle 
Modulation(1) 

“Downstream” 
Inhibit HBV 
Replication 

“Upstream” 
Modulating 
cccDNA 
Activity 

Current and Planned Development 

Research 

Hits 

Lead 
Optimization 

IND Enabling 

Phase I 

Phase II 

2015 - 2016 

2015 - 2016 

2015 - 2016 

To Be Selected 

2015 - 2016 

To Be Selected 

2015 - 2016 

Program 

ASMB-101 CpAM  
Capsid Targeted 

ASMB-102 CpAM  
Upstream Mechanism 

ASMB-103 CpAM  
Upstream Mechanism 

ASMB CpAM  
(Gen 2) 
Second generation 

Novel HBV Targets 
(Confidential) 

Microbiome CDAD Program 

Research 

Hits 

Lead 
Optimization 

IND Enabling 

Phase I 

Phase II 

MB-101 

Targeted, Oral Delivery of 
Microbiome Therapeutics  

2015 – 2016 Phase IB 

Newly Announced Programs 

Rights to all molecules and platforms are owned by and exclusive to Assembly  

(1) Downstream and upstream refers to the relative stage of the HBV lifecycle where the core protein is functionally involved. 

2 

Building a world class infectious disease company  
 
 
 
 
 
 
 
 
 
 
 
 
 
Our Programs 

The  target  of  Assembly’s  lead  program  is  a 
clinical  cure  for  HBV,  a  pathogen  that  infects 
350 million people worldwide and is associated 
with  an  estimated  650,000  deaths  each  year. 
Assembly  has  discovered  and  is  developing  a 
series  of  new  compounds,  known  as  core 
protein  allosteric  modulators,  or  CpAMs,  with 
the  HBV  core 
the  potential 
protein—a 
viral 
essential 
protein-—at  multiple  complementary  points  in 
the viral lifecycle.  

polyfunctional 

to  modulate 

program,  which 
Assembly’s  microbiome 
Assembly is pursuing as a treatment for CDAD, 
is  based  on  the  targeted  delivery  of  novel 
microbiome-based  therapies  in  a  proprietary 
oral  formulation,  applying  its  novel  coating  and 
encapsulation 
for 
targeted  delivery  of  complex  agents  to  select 
regions of the gastrointestinal, or GI, tract. 

that  allows 

technology 

Two Proprietary Technology Platforms, Best-In-Class Opportunity and Novel Drugs 
for HBV and CDAD 

HBV Platform  

Microbiome Platform  

• Multiple differentiated mechanisms and 

• C. difficile-associated disease (CDAD)  

molecules 

• Targeted, oral delivery of synthetic 

• Core protein allosteric modulators (CpAMs):  

microbiome therapeutics  

• Multiple differentiated early-stage 
products in potential pipeline 

• Enables pursuit of combination or mono 

therapies of unique mechanisms to increase 
cure rates 

•

1st disease focus: CDAD infections  

• Expected in clinic in 2016; pipeline 

following 

All current platforms discovered and developed in-house 

3 

HBV-Cure Program – Our Approach 

HBV  is  a  DNA-virus  that  establishes  an  intra-
nuclear  reservoir  of  closed  circular  covalent 
DNA  (cccDNA)  that  sustains  infection  in  the 
liver through chronic and occult hepatitis B. No 
current  oral  therapies  can  target  its  activity 
directly,  and  thus  molecules  that  can  modulate 
cccDNA are highly sought in the HBV field. The 
HBV  Core  (HBc)  protein  is  a  highly  conserved 
viral protein that has no human homologue and 
is  involved  in  numerous  aspects  of  the  HBV 
lifecycle,  including  interaction  with  the  viral 
cccDNA.  

Assembly  has  discovered  multiple  novel  series 
of CpAMs – small molecules that directly target 
and  allosterically  modulate  HBc 
functions. 
Assembly’s  HBV  pipeline  offers  both  first  in 
class  and  best 
for 
developing  agents  that  target  multiple  aspects 
of  the  viral  lifecycle  –  such  as  HBc/cccDNA 
interactions. Assembly believes that its diversity 
of  approaches  to  HBc  provides  Assembly  a 
solid  position  to  develop  a  foundation  for  a 
clinical cure of HBV. 

in  class  opportunities 

Prevent NEW  
cccDNA 

HBV  
CURE 

Silence  
cccDNA 

Inhibit  
Existing  
cccDNA 

4 

HBV-Cure Program – Our Advantage 

HBV  is  a  unique  virus  that  requires  a  unique 
research  and  development  approach.    We 
have  invested  in  our  science  and  research 
teams  across  the  spectrum  of  HBV-specific 
drug  discovery  and  clinical  development  core 
capabilities 
that  we  believe  establish  our 
company  as  a  leader  in  HBV-Cure  research 
and development.  Including:  

 Proprietary  HBV  Biology    and  Biochemistry 

assays developed in house 

 A  medicinal  chemistry 

team 

that  has 

discovered/developed >5 marketed drugs 

 And  an  HBV 

translational  and  clinical 
expertise based on >10 years of experience 

Our Core Competencies and Competitive Advantage 

HBV  
Biology 

Proprietary 
Enabling HBV 
Assays 

World Class 
Medicinal 
Chemistry 

HBV Clinical 
Expertise 

Intellectual Property 

5 

Assembly Biosciences, Inc. 

Potential First- 
and Best-in-
Class HBV 
Platform With 
Potential to 
Cure HBV 

World Class 
Infectious 
Disease 
Company with 
Two Novel 
Platforms 

Experienced 
Management 
Team and 
Scientific 
Advisory Board 
with 
Leadership in 
HBV Core 
Protein 
Research 

Proven, In-
House 
Discovery and 
Development 
Capabilities 
with Multiple 
Shots on Goal 

Novel 
Microbiome 
Program for 
CDAD 

6 

UNITED STATES 
SECURITIES AND EXCHANGE COMMISSION 
WASHINGTON, DC 20549 

FORM 10-K 

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

For the fiscal year ended December 31, 2014 
or  

(cid:255) TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 

For the Transition Period from __________ to __________ 

Delaware 
(State or Other Jurisdiction of 
Incorporation or Organization) 

Commission File Number: 001-35005 

ASSEMBLY BIOSCIENCES, INC. 
(Exact name of registrant specified in its charter) 
2834 
(Primary Standard Industrial 
Classification Code Number) 

20-8729264 
(I.R.S. Employer 
Identification No.) 

99 Hudson Street, 5th Floor, New York, New York 10013 
(Address of Principal Executive Offices) 

Registrant’s telephone number, including area code: (646) 706-5208 

Securities Registered Pursuant to Section 12(b) of the Exchange Act: 

Title of Each Class 
Common Stock, $0.001 Par Value 

Name of Exchange on which Registered 
Nasdaq Capital Market 

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 (cid:255) No x 
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act. Yes (cid:255) No x 
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 x No (cid:255) 

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to 
be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to 
submit and post such files). Yes x No (cid:255) 

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best 
of the registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this 
Form 10-K. (cid:255) 

Indicate  by  check  mark  whether  the  registrant  is  a  large  accelerated  filer,  an  accelerated  filer,  or  a  smaller  reporting  company.  See  definitions  of  “large 
accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one): 
Large accelerated filer (cid:255) 
Non-accelerated filer (cid:255) 

Accelerated filer (cid:255) 
Smaller reporting company x 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes (cid:255) No x 

The aggregate market value of the voting stock held by non-affiliates of the registrant, as of June 30, 2014, was approximately $30.5 million. Such aggregate 
market value was computed by reference to the closing price of the common stock as reported on the Nasdaq Capital Market on June 30, 2014. For purposes of 
making this calculation only, the registrant has defined affiliates as including only directors and executive officers and shareholders holding greater than 10% 
of the voting stock of the registrant as of June 30, 2014. 

As of March 10, 2015 there were 10,695,259 shares of the registrant’s common stock, $0.001 par value, outstanding. 

None. 

DOCUMENTS INCORPORATED BY REFERENCE 

 
  
  
  
  
  
  
  
  
  
  
  
  
 
  
  
  
  
  
  
  
  
  
  
  
  
 
 
  
  
 
 
 
  
 
ASSEMBLY BIOSCIENCES, INC. 
(formerly Ventrus Biosciences, Inc.) 
TABLE OF CONTENTS 

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

PART I 
Item 1. 
Item 1A. 
Item 1B. 
Item 2. 
Item 3. 
Item 4. 
PART II 
Item 5. 

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 Operation 
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 

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 Accounting Fees and Services 
Exhibits, Financial Statement Schedules 

Item 6. 
Item 7. 
Item 7A. 
Item 8. 
Item 9. 
Item 9A. 
Item 9B. 
PART III 
Item 10. 
Item 11. 
Item 12. 
Item 13. 
Item 14. 
Item 15. 
Financial Statements 

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 References to Assembly Biosciences 

Throughout this Annual Report on Form 10-K, the “Company,” “Assembly,” “we,” “us,” and “our,” except where the context requires 
otherwise, refer to Assembly Biosciences, Inc. and its consolidated subsidiary, and “our board of directors” refers to the board of directors of 
Assembly Biosciences, Inc. 

Forward Looking Information 

This Annual Report on Form 10-K contains forward-looking statements that involve substantial risks and uncertainties. All statements, 
other than statements of historical facts, contained in this Annual Report on Form 10-K, including statements regarding our strategy, future 
operations, future financial position, future revenues, projected costs, prospects, plans and objectives of  management, are  forward-looking 
statements.  The  words  “anticipate,”  “believe,”  “estimate,”  “expect,”  “intend,”  “may,”  “plan,”  “predict,”  “project,”  “target,”  “potential,” 
“will,” “would,” “could,” “should,” “continue” and similar expressions are intended to identify forward-looking statements, although not all 
forward-looking statements contain these identifying words. 

The forward-looking statements in this Annual Report on Form 10-K include, among other things, statements about: 

• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 

the initiation, timing, progress and results of pre-clinical studies and clinical trials, and our research and development programs; 

   our plans to develop and commercialize our product candidates; 
   our ability to establish and maintain additional collaborations or obtain additional funding; 

the timing or likelihood of regulatory filings and approvals; 
the implementation of our business model, strategic plans for our business, product candidates and technology; 

   our commercialization, marketing and manufacturing capabilities and strategy; 
the rate and degree of market acceptance and clinical utility of our products; 

   our competitive position; 
   our intellectual property position; 
   developments and projections relating to our competitors and our industry; and 
   our estimates regarding expenses, future revenue, capital requirements and needs for additional financing. 

We may not actually achieve the plans, intentions or expectations disclosed in our forward-looking statements, and you should not place 
undue reliance on our forward-looking statements. Actual results or events could differ materially from the plans, intentions and expectations 
disclosed  in  the  forward-looking  statements  we  make.  We  have  included  important  factors  in  the  cautionary  statements  included  in  this 
Annual Report on Form 10-K, particularly in the “Risk Factors” section, that could cause actual results or events to differ materially from the 
forward-looking  statements  that  we  make.  Our  forward-looking  statements  do  not  reflect  the  potential  impact  of  any  future  acquisitions, 
mergers, dispositions, joint ventures or investments we may make. 

You should read this Annual Report on Form 10-K and the documents that we have filed as exhibits to this Annual Report on Form 10-K 
completely and with the understanding that our actual future results may be materially different from what we expect. We do not assume any 
obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise, except as required 
by law. 

PART I 

Item 1. Business 

Overview 

We  are  a  biopharmaceutical  company  committed  to  developing  novel  oral  therapies  for  the  cure  of  intractable  infectious  diseases, 
focusing on hepatitis B virus (HBV) and C. difficile-associated infections (CDAD). On July 11, 2014, Assembly Biosciences was formed by 
the merger of private company Assembly Pharmaceuticals, Inc. and Nasdaq-listed Ventrus Biosciences, Inc. The merger resulted in a shift in 
strategic focus, the addition of a new lead drug development program for the company, and changes in personnel. 

Assembly  Pharmaceuticals  was  founded  in  2012.  The  cure  for  HBV  is  based  on  the  research  and  intellectual  property  of  Indiana 
University professor Adam Zlotnick, PhD. Dr. Zlotnick is a pioneer in the biophysics of viral capsid assembly and in elucidating the role of 
core protein in HBV. His decades of research and development of novel screening technologies led to the discovery of multiple families of 
small  molecule  CpAMs.  Other  founders  of  Assembly  include  Chief  Medical  Officer  and  Vice  President  of  Research  &  Development  Uri 
Lopatin, MD, who previously led the HBV programs at Gilead Sciences and Roche Pharmaceuticals. We believe Assembly is well positioned 
to develop its two lead programs, with a senior scientific team that has over 30 years of combined experience working on HBV and a proven 
track record of innovation using deep science. 

The team has collectively discovered more than 20 clinical candidates and 10 marketed drugs. 

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 The target of our lead program is a clinical cure for HBV, a pathogen that infects 350 million people worldwide and is associated with 

an estimated 650,000 deaths each year. Assembly has discovered and is developing a series of new compounds, known as core protein 
allosteric modulators, or CpAMs, with the potential to modulate the HBV core protein—a polyfunctional essential viral protein-—at multiple 
complementary points in the viral lifecycle. These core proteins are involved in several steps of the HBV lifecycle and are essential for 
HBV’s continued regeneration and survival. Modulation of these core proteins with Assembly’s CpAMs has demonstrated preclinical proof 
of principle and multiple cell-based models have shown that CpAMs can selectively reduce the production of viral antigens—viral proteins 
responsible for common symptoms related to HBV—as well as reduce viral load—the amount of infectious viral particles circulating in the 
bloodstream. Our CpAMs have multiple differentiated mechanisms and molecules, giving us a potential pipeline of differentiated early-stage 
products. This enables us to pursue both mono and combination therapies that have differentiated mechanisms, potentially facilitating the 
achievement of improved cure rates. Our goal is to develop single agents and combinations of anti-HBV therapeutics that will permanently 
eradicate the HBV infection.  

Our  microbiome  program,  which  we  are  pursuing  as  a  treatment  for  CDAD,  is  based  on  the  targeted  delivery  of  novel  microbiome-
based therapies in a proprietary oral formulation, applying our novel coating and encapsulation technology that allows for targeted delivery 
of complex agents to select regions of the gastrointestinal, or GI, tract. Using this proprietary delivery platform, we aim to deliver several 
types of beneficial bacteria, in novel “synthetic formats’, to the gastrointestinal, or GI, tract. The technology builds upon experience reported 
in the literature of successfully treating CDAD with fecal  material transplant, or FMT, and seeks to provide a potentially curative therapy 
using a targeted and specific microbiome therapy delivered in an oral capsule. 

We currently have administrative offices in New York City and research facilities in San Francisco, California. Research activities for 
the  HBV  program  are  also  being  conducted  at  Indiana  University  at  Bloomington,  under  the  aegis  of  Adam  Zlotnick,  PhD,  Assembly 
Pharmaceuticals  co-founder  and  head  of  our  HBV  Scientific  Advisory  Board,  working  closely  with  a  local  contingent  of  Assembly 
employees focused on rapidly and efficiently translating pharmacenticals scientific advances into drug discovery approaches. 

Business Strategy 

Assembly  Biosciences  is  committed  to  advancing  science  and  enhancing  the  health  and  well-being  of  patients  with  hard-to-treat 
infectious  diseases  by  building  a  world  class  company  focused  on  certain  intractable  conditions.  This  commitment,  drives  our  efforts  to 
develop novel approaches to treating HBV and CDAD. Assembly is forging a new and different path to treating these conditions, inspired by 
the  needs  of  millions  of  affected  patients  and  by  our  belief  that  our  novel  science  may  have  the  potential  to  overcome  the  limitations  of 
conventional approaches. We have two promising proprietary technology platforms, and a portfolio of novel, potentially curative drugs for 
HBV  and  CDAD  infections,  both  of  which  currently  are  intractable.  We  intend  to  progress  these  program  portfolios  using  a  variety  of 
strategic  arrangements,  including  potentially  collaborations,  licenses,  partnerships  and  other  types  of  business  arrangements.  These  may 
provide non-dilutive resources for drug development, as well as clinical development and commercial expertise. 

HBV-Cure Program 

Our HBV-Cure research team is  working on discovering and developing multiple core protein allosteric modifiers (CpAMs)  with the 
potential to modulate the HBV core protein - a polyfunctional essential viral protein - at multiple complementary points in the viral lifecycle. 
The goal is to eradicate the infection with an orally-administered regimen. We believe that Assembly is uniquely positioned to execute on 
this strategy, with a senior scientific team that has over 30 years of combined experience working on HBV. 

Background 

Hepatitis B virus (HBV) is a chronic infectious disease of the liver and is a leading cause of chronic liver disease and liver transplants 
worldwide.  HBV  is  an  underappreciated  global  epidemic—the  World  Health  Organization  estimates  that  nearly  350  million  people 
worldwide, or approximately 6% of the world’s population, are infected with HBV. An estimated 10 to 30 million people are newly infected 
each  year and 650,000 people die annually from HBV-related liver disease. The Centers for Disease Control has reported that almost two 
million people in the United States have been infected with HBV. HBV is an underappreciated global epidemic with twice as many people 
infected and with a higher mortality and morbidity rate than hepatitis C virus and HIV infections combined. An estimated 650,000 people die 
every year from HBV-related causes. While many patients currently receive treatment for their HBV infections, the majority do not, partly as 
a  byproduct  of  the  lack  of  effective  treatments.  The  cure  rate  with  current  therapies  is  estimated  at  only  3-5%.  Despite  the  low  rate  of 
diagnosis and drug treatment, the current market for HBV therapies is estimated at $3.2 billion, with significant growth expected in the years 
ahead as more effective drugs are launched. 

Current Treatments 

Current therapeutic options for HBV include: 

•  Antiviral medications. Several antiviral medications - including lamivudine (Epivir), adefovir (Hepsera), telbivudine (Tyzeka) and 

entecavir (Baraclude) - can help fight the virus and slow its ability to damage the liver. 

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• 

• 

Interferon alfa-2b (Intron A). This synthetic version of a substance produced by the body to fight infection is used mainly for 
young people with hepatitis B who don't want to undergo long-term treatment or who might want to get pregnant within a few 
years. It's given by injection. Side effects may include depression, difficulty breathing and chest tightness. 

Liver transplant. If the liver has been severely damaged, a liver transplant may be an option. During a liver transplant, the surgeon 
removes the damaged liver and replaces it with a healthy liver. Most transplanted livers come from deceased donors, though a small 
number come from living donors who donate a portion of their livers. 

Our HBV Focus: Leveraging HBV Core Protein to Cure HBV using Core Protein Allosteric Modulators (CpAMs) 

HBV is a DNA-virus that establishes an intra-nuclear reservoir of closed circular covalent DNA (cccDNA) that sustains infection in the 
liver through chronic and occult hepatitis B. No current oral therapies can target its activity directly, and thus molecules that can modulate 
cccDNA  are  highly  sought  in  the  HBV  field.  The  the  HBV  Core  (HBc)  protein  is  a  highly  conserved  viral  protein  that  has  no  human 
homologue and is involved in numerous aspects of the HBV lifecycle, including interaction with the viral cccDNA. Assembly has discovered 
multiple novel series of CpAMs – small molecules that directly target and allosterically modulate HBc functions. Assembly’s HBV pipeline 
offers  both  first  in  class  and  best  in  class  opportunities  for  developing  agents  that  target  multiple  aspects  of  the  viral  lifecycle  –  such  as 
HBc/cccDNA  interactions.  We  believe  that  our  diversity  of  approaches  to  HBc  provides  us  a  solid  position  to  develop  a  foundation  for  a 
clinical cure of HBV. 

To successfully eradicate HBV infections, researchers need to address both the “downstream” inhibition of HBV viral replication and 
the  “upstream”  part  of  the  lifecycle  that  reflects  cccDNA  activity.  We  define  downstream  inhibition  of  the  HBV  lifecycle  as  anything 
targeting HBV from the point of capsid formation to release of viral particles from the cell for re-infection. Molecules that modulate core 
protein capsid alone present a downstream target approach and are unlikely to be curative on their own. We believe that our ability to develop 
multiple CpAms that target both the downstream and upstream aspects of the viral lifecycle will allow us to develop multiple combination 
regimens that will target “upstream” as well as “downstream” components of the HBV life cycle. Other core competencies and competitive 
advantages we bring to our lead program include our knowledge of HBV biology, our proprietary enabling assays, our world class chemistry 
and our relevant clinical expertise. 

A clinically and preclinically accepted benchmark for therapeutic agents with an effect on cccDNA activity is thought to be expression 
of viral antigens. In this regard, Assembly’s CpAMs have shown preclinical proof of principle. In a variety of cell culture molecules, CpAMs 
have  demonstrated  the  ability  to  reduce  viral  antigens:  HBV  E  antigen  (HBeAg)  and  HBV  S  antigen  (HBsAg).  Sustained  (off  treatment) 
inhibition of HBsAg in patients is considered a functional cure, and is a key endpoint in clinical development. 

Our clinical strategy encompasses testing CpAMs as monotherapy and in combination. Our access to multiple classes can allow us to 
explore  the  activity  of  CpAMs  in  combination  both  across  CpAM  classes  and  with  other  classes  of  HBV  therapies.  Our  planned  clinical 
program  includes  Phase  I  (safety)  studies  of  CpAMs  as  single  agents  in  healthy  volunteers.  Phase  IB  studies  in  patients  would  include 
assessments of CpAMs as single agents and in combination with nucleoside polymerase inhibitors. The Phase II studies will explore duration 
of therapy in dose finding single agent and combination studies across CpAM classes and with other classes of therapy. 

Assembly  is  planning  to  select  first  generation  lead  molecules  in  the  2015-early  2016  timeframe  and  initiate  clinical  trials  in  2016. 
Assembly’s CpAM platform also offers a multi-generation pipeline and Assembly plans to advance second and third generation CpAMs into 
clinical development in 2016-2017. Assembly also has research programs looking at other novel targets for HBV that are complementary in 
nature to our core protein programs. 

License Agreement and Intellectual Property 

Our  licensor has  filed  multiple  patent  applications covering  aspects  of  our  HBV program.  These  include platform  patent  applications 
covering  aspects  of  the  HBV  Core  Protein,  our  novel  mechanism  of  action,  methods  of  treatment,  and  novel  assays.  We  also  have  filed 
composition of matter patent applications for our novel CpAM agents. We expect to file additional patent applications going forward.  

On September 3, 2013, we entered into a license agreement (the “IURTC License Agreement”) with Indiana University Research and 
Technology Corporation (“IURTC”) to acquire the rights to develop and commercialize products associated with patents held by IURTC. As 
part of this agreement, we are obligated to make milestone payments based upon the successful accomplishment of clinical and regulatory 
milestones.  The  total  amount  of  all  potential  future  milestone  payments  at  the  end  of  2014  was  $825,000.  Under  the  IURTC  License 
Agreement, we are also obligated to pay IURTC royalty payments based on net sales of the licensed technology ranging from 0.5% to 1.75%. 
None of the criteria for these milestones have yet been met. 

The IURTC License Agreement also required us to transfer five percent (subject to anti-dilution rights) of the outstanding equity of the 
Company to IURTC. During May 2014, Assembly Pharmaceuticals issued 209,889 shares of common stock to IURTC, representing the five 
percent. 

3 

   
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
  
 
 
In addition, the IURTC License Agreement requires an annual diligence maintenance fee as follows: 

2014 
2015 
2016 through the year in which first commercial sale occurs 
Year following first commercial sale and all subsequent years 

   $ 
   $ 
   $ 
   $ 

25,000   
50,000   
75,000   
100,000   

We  recorded  a  contingent  license  fee  payable  of  $95,000  at  December  31,  2013,  representing  the  net  present  value  adjusted  for 
probability of occurrence of the future milestone payments and annual diligence maintenance fees. The discount is being accreted over the 
expected term of the payments, recorded as interest expense. 

Microbiome Platform (CDAD) 

Background 

In recent years, there has been increasing interest in the potential of the human microbiome - the billions of microbes living in and on 
people - to impact health and disease. An early and obvious target was CDAD, the most common nosocomial, or hospital acquired, infection, 
which is a significant medical problem in hospitals and long-term care facilities as it becomes increasingly resistant to common antibiotics. 
CDAD is estimated to afflict more than 500,000 people each year in the US. It is a serious illness resulting from infection of the inner lining 
of  the  colon  by  C.  difficile  bacteria,  which  produce  toxins  that  cause  inflammation  of  the  colon,  severe  diarrhea  and,  in  the  most  serious 
cases, death. Certain subpopulations, such as older patients, transplant patients, patients taking concomitant antibiotics and cancer patients, 
are at a higher risk of contracting CDAD. Patients typically develop CDAD from the use of broad-spectrum antibiotics that disrupt normal 
gastrointestinal  (gut)  flora,  thus  allowing  C.  difficile  bacteria  to  flourish  unchecked  and  produce  toxins.  C.  difficile  is  a  spore-forming 
bacterium and excretes spores into the hospital environment that can survive for months on dry surfaces in hospital rooms such as beds and 
doors. It also spreads when contamination from other patients is transmitted through the hands and clothing of healthcare workers. 

Current Treatments 

Therapeutic options for CDAD include fidaxomicin, oral vancomycin and the off-label use of metronidazole. However, approximately 
35% of patients initially treated with these drugs either fail to respond or do not achieve a sustained response. About 50% of initially non-
responsive  patients  fail  to  achieve  a  sustained  response  from  second  and  third  line  treatment.  Because  of  the  difficulties  in  achieving  a 
sustained response to treatment, we estimate that, in the U.S., there are more than 800,000 treatments per year for CDAD. 

Our CDAD Focus – Microbiome Therapeutics  

There has been considerable experience reported in the literature of successfully treating CDAD with fecal material transplants (FMT) 
from  healthy  individuals.  FMT  is  believed  to  act  by  restoring  a  healthy  balance  of  microbes  in  the  gut.  But  use  of  FMT,  because  of  the 
possibility  of  unknown  and  potentially  damaging  constituents,  is  problematic,  and  other  options  have  been  sought.  Preliminary  CDAD 
studies  using  selected  bacterial  strains  or  bacterial  spores  from  processed  FMT  have  been  promising.  These  reports  have  demonstrated  a 
significant and growing precedent of successful cures in patients who had failed all prior treatment, and provide a path to potentially curative 
therapy using a targeted and specific microbiome therapy—one that can achieve the therapeutic benefits of FMT but in a form that is more 
predictable, safe and drug-like. 

Proof-of-concept  for  this  approach  was  demonstrated  using  a  preparation  of  fecal  material  from  normal  donors  that  contained  only 
bacterial spores In a U.S. Phase IB study, a single oral dose of spores administered in multiple capsules produced a 90% sustained response 
in 30 CDAD patients who had failed three prior regimens. In addition, the carriage of antibiotic resistant bacteria substantially declined in 
these  patients.  In  another  small  study,  a  selection  of  32  specific  viral  strains  achieved  a  sustained  response  in  two  elderly  patients  with 
chronic refractory CDAD. 

The concept has also been validated in animal studies. Several publications in recent years have demonstrated that administering even a 
few strains of bacteria  may be sufficient to have a curative effect in mouse models of CDAD, and one study suggested that even a single 
strain can be effective. In addition, testable mechanisms of how commensal bacteria may inhibit the growth and persistence of C. difficile 
have been reported or postulated. 

Our CDAD program is based on the premise that an oral capsule containing specific bacteria grown in monoculture and manufactured 
under pharmaceutical-like GMP conditions (in effect a ‘synthetic’ biologic product), might be effective in providing the therapeutic benefits 
of  FMT  therapy  in  a  form  that  is  economically  viable  and  scalable  for  use  in  first  line,  as  well  as  in  second  and  third  line  treatment.  In 
contrast,  the  commercial  and  clinical  provision  of  whole  or  processed  feces  would  require  the  provision  of,  or  the  purification  and/or 
extraction  from,  human  donor  material,  and  as  such  is  highly  unlikely  to  be  considered  feasible  except  for  a  relatively  small  number  of 
refractory CDAD patients who have failed antibiotic treatment at least three times. 

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 However, we believe that the development of a ‘synthetic’ bacterial product for the treatment of CDAD, while promising, presents 

several basic challenges. 

The first challenge is the selection of bacterial strains likely to be effective. We believe that our ongoing bacterial discovery program 
enhances  the  probability  that  we  will  identify  strains  that  will  be  effective  in  humans.  This  program  involves  collaboration  with  leading 
academic medical centers with relevant expertise, and includes special methods of identifying colonic strains from CDAD patients receiving 
FMT, use of machine learning-derived predictive algorithms, culturing, and, screening of promising strains, and confirmation in an animal 
model of CDAD. 

A  second  challenge  is  the  effective  and  reliable  oral  delivery  of  billions  of  organisms  to  the  colon  using  only  a  few  capsules.  To 
accomplish  this,  we  in-licensed  a  delivery  technology  we  call  GemicelTM.  Gemicel  is  a  novel  coating  and  encapsulation  technology  that 
allows controlled delivery of an oral formulation specifically targeted for pulsed release in the pH environment of selected portions of the GI 
system. 

We  have  demonstrated  that  our  coating  technology,  which  can  be  applied  at  body  temperature  ranges  under  aerobic  or  anaerobic 
conditions,  does  not  cause  any  loss  of  a  wide  range  of  viable  microorganisms.  We  have  also  demonstrated  in  vitro  that, under  conditions 
commonly accepted to represent conditions in each section of the GI tract lumen, the formulation can deliver its contents to the targeted sites. 
We are conducting a radiolabelled scintigraphy study in humans to further validate this technology and we expect results in mid-year 2015. 

A  third  challenge  is  to  be  able  to  process,  scale  up,  and  reliably  and  economically  manufacture  for  clinical  trials  and,  ultimately, 
commercialization, the strains we select for use in CDAD. There is considerable experience in industrial scale production of bacteria under 
GMP,  and  there  are  several  commercial  scale  vendors.  However  certain  bacteria  can  be  very  difficult  to  freeze-dry  (lyophilize)  for 
encapsulation,  and  some  can  be  very  difficult  to  grow  at  a  large  scale.  We  believe  that  it  is  feasible  to  mitigate  clinical,  regulatory  and 
manufacturing risk by carefully selecting strains for clinical development that are effective in our preclinical assessments, that do not carry 
antibiotic resistance or virulence genes, and that can be lyophilized and grown at scale under standard anaerobic and/or aerobic conditions as 
required. 

We anticipate that our clinical development program for CDAD using selected, identified bacterial strains will encompass both first line 
as well as second and third line treatment. We expect that our first clinical trial will be in CDAD patients who have relapsed after three or 
four standard antibiotic regimens. We will explore various regimens for further clinical development in these initial studies. We estimate that 
the first clinical trial will begin in the first half of 2016, with data available in late 2016 or early 2017. 

Our Gemicel technology also has the potential to deliver viral antigens to immune responsive tissue in gut, with the potential to improve 
existing  oral  vaccines  or  to  allow  oral  delivery  of  vaccines  that  are  currently  limited  to  intra-nasal  or  systemic  delivery.  We  will  be 
conducting experiments in animal models to assess whether oral administration of certain vaccines using Gemicel creates effective immune 
responses. If the technology were successful in this indication, we plan to license this application to a major vaccine manufacturer. We expect 
results from this program in the first half of 2016. 

Depending  on  the  progress  and  success  of  our  CDAD  program  we  may  decide  to  further  leverage  our  discovery  program  and 
formulation technology to pursue other microbiome-related indications such as inflammatory bowel disease, irritable bowel syndrome, and 
metabolic diseases, as new data becomes available clarifying the relationship of the gut microbiome to these illnesses. 

License Agreement and Intellectual Property 

On November 8, 2013, we entered into a License and Collaboration Agreement with Therabiome, LLC, for all intellectual property and 
know-how owned or controlled by Therabiome relating to the oral delivery of pharmaceutical drugs to specific sites in the intestine, using a 
pH sensitive release platform technology. Under the agreement, Therabiome granted Assembly the exclusive worldwide license, with rights 
to sublicense, to develop the intellectual property for commercialization (a) in the use of bacteria, complex proteins, viral antigens and small 
molecules by oral delivery in (i) gastro-intestinal dysbiosis, including but not limited to C. difficile, irritable bowel syndrome-constipation 
and inflammatory bowel disease, (ii) auto-immune disorders and autism, including but not limited to as controlled by bacteria or virus, and 
(iii)  orally  delivered  vaccines,  including  viral  and  bacterial,  and  (b)  any  oral  delivery  of  small  molecules  using  the  licensed  intellectual 
property. We will be solely responsible for all research and development activities with respect to any product we develop under the license. 

For  the  license,  we  paid  Therabiome  an  upfront  non-refundable  license  fee  of  $300,000.  In  September  2014,  we  paid  Therabiome 
$100,000  upon  the  occurrence  of  the  first  proof  of  principle  for  a  bacteria.  We  will  be  required  to  pay  an  additional  $100,000  upon  the 
occurrence  of  the  proof  of  principle  for  a  virus.  We  must  pay  Therabiome  clinical  and  regulatory  milestones  for  each  product  or  therapy 
advanced from the platform, for U.S. regulatory milestones, depending on whether the milestone occurs before the filing of the first new drug 
application, or NDA, for a product or after the first, second or third NDA filings, as follows: 

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 Regulatory and Clinical Milestones 

Upon the filing of an IND with the FDA: 

First dose first patient – human Phase I Clinical Trial 

First dose first patient – human Phase II Clinical Trial 

First dose first patient – human Phase III Clinical Trial 

Upon filing of an NDA or BLA with the FDA 

Upon marketing approval by the FDA 

   $100,000 - $130,000 

   $250,000 - $325,000 

   $500,000 - $650,000 

   $750,000 - $975,000 

   $1,000,000 - $1,300,000 

   $3,000,000 

Upon approval of a supplemental NDA (sNDA) for a new Indication, in the U.S 

   $1,000,000 

We also must pay Therabiome lesser amounts for foreign regulatory milestones, which vary by country and region, and which depend 
on whether the milestone occurs before the filing of the first NDA filing or after the first, second or third NDA filings. These payments will 
be:  one-third  of  the  U.S.  milestones  paid  upon  a  foreign  equivalent  of  an  investigational  new  drug  application,  or  IND  and  marketing 
approval  for  each  product  in  the  European  Union  or  Japan;  10%  of  the  U.S.  milestones  paid  upon  a  foreign  equivalent  of  an  IND  and 
marketing approval for each product in China; 10% of the U.S. milestone paid upon marketing approval for each product in India and Brazil; 
and 1% of the U.S. milestone paid upon marketing approval for each product in all other countries. We also must pay Therabiome royalties 
on annual net product sales in the low to mid-single digit percentages plus, once annual net sales exceed two specified thresholds, a one-time 
cash payment upon reaching each threshold.  

Government Regulation 

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, including any manufacturing changes, packaging, storage, recordkeeping, labeling, 
advertising, promotion, distribution, marketing, post-approval monitoring and reporting, import and export of pharmaceutical products, such 
as those we are developing. 

United States drug approval process 

In  the  United  States,  the  FDA  regulates  drugs  under  the  Federal  Food,  Drug,  and  Cosmetic  Act,  or  FDCA,  and  implementing 
regulations. The process of obtaining regulatory approvals and the subsequent compliance with appropriate 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  applications,  withdrawal  of  an  approval, 
imposition of a clinical hold, issuance of warning letters and untitled letters, product recalls, product seizures, total or partial suspension of 
production  or  distribution  injunctions,  fines,  refusals  of  government  contracts,  restitution,  disgorgement  of  profits  or  civil  or  criminal 
penalties. 

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

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completion of preclinical 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 investigational new drug application, or IND, which  must become  effective before human clinical 
trials may begin; 

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

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

   submission to the FDA of a new drug application, or NDA; 

satisfactory completion of an FDA inspection of the manufacturing facility or facilities at which the product is produced to assess 
compliance  with  current  good  manufacturing  practices,  or  cGMP,  requirements  and  to  assure  that  the  facilities,  methods  and 
controls are adequate to preserve the drug’s identity, strength, quality and purity; and 

• 

   FDA review and approval of the NDA. 

Preclinical studies and IND 

Preclinical studies include laboratory evaluation of product chemistry and formulation, as well as in vitro and animal studies to assess 
the potential for adverse events and in some cases to establish a rationale for therapeutic use. The conduct of preclinical studies is subject to 
federal regulations and requirements, including GLP regulations for safety/toxicology studies. An IND sponsor must submit the results of the 
preclinical  tests,  together  with  manufacturing  information,  analytical  data,  any  available  clinical  data  or  literature  and  plans  for  clinical 
studies, among other things, to the FDA as part of an IND. Some long-term preclinical testing, such as animal tests of reproductive adverse 
events and carcinogenicity, may continue after the IND is submitted. An IND automatically becomes effective 30 days after receipt by the 
FDA,  unless  before  that  time  the  FDA  raises  concerns  or  questions  related  to  one  or  more  proposed  clinical  trials  and  places  the  trial  on 
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. 

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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, among other things, the requirement that all research subjects  provide 
their informed consent in writing before their participation in any clinical trial. Clinical trials are conducted under written study protocols 
detailing, among other things, the objectives of the study, 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  at  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  conduct  continuing  review.  The  IRB  must  review  and  approve,  among  other  things,  the 
study protocol and informed consent information to be provided to study subjects. An IRB must operate in compliance with FDA regulations. 
Information  about  certain  clinical  trials  must  be  submitted  within  specific  timeframes  to  the  National  Institutes  of  Health  for  public 
dissemination at www.clinicaltrials.gov. 

Human clinical trials are typically conducted in three sequential phases, which may overlap or be combined: 

• 

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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  early  indication  of  its 
effectiveness. 
Phase  2:  The  drug  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. 
Phase 3: The drug is administered to an expanded patient population in adequate and well-controlled clinical trials to generate 
sufficient  data  to  statistically  confirm  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.  Additionally,  IND  safety 
reports must be submitted for serious and unexpected suspected adverse reactions, findings from animal or in vitro testing or other studies 
that suggest a significant risk in humans, and any clinically important increase in the rate of a serious suspected adverse reaction over that 
listed  in  the  protocol  or  investigator  brochure. 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 preclinical studies and clinical trials, 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. Under federal law, the submission of most 
NDAs is additionally subject to a substantial application user fee, currently 2,235,200 and the sponsor of an approved NDA is also subject to 
annual  product  and  establishment  user  fees,  currently  exceeding  $110,370  per  product  and  $569,200  per  establishment.  These  fees  are 
typically increased annually. 

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 has agreed to specified performance goals in the review of NDAs. Under these goals, the FDA has committed to review 
most such applications for non-priority products within 10 months, and most applications for priority review products, that is, drugs that the 
FDA determines represent a significant improvement over existing therapy, within six months. The review process may be extended by the 
FDA for three additional months to consider certain information or clarification regarding information already provided in the submission. 
The  FDA  may  also  refer  applications  for  novel  drugs  or  products  that  present  difficult  questions  of  safety  or  efficacy  to  an  advisory 
committee,  typically  a  panel  that  includes  clinicians  and  other  experts,  for  review,  evaluation  and  a  recommendation  as  to  whether  the 
application  should  be  approved.  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. 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. In addition, before approving an NDA, the FDA will 
typically inspect one or more clinical sites to assure compliance with GCP and integrity of the clinical data submitted. 

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The testing and approval process requires substantial time, effort and financial resources, and each may take many years to complete. 
Data obtained from clinical activities 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 on a timely basis, or at all. We may encounter difficulties or unanticipated 
costs in our efforts to develop our product candidates and secure necessary governmental approvals, which could delay or preclude us from 
marketing our products. 

 After  the  FDA’s  evaluation  of  the  NDA  and  inspection  of  the  manufacturing  facilities,  the  FDA  may  issue  an  approval  letter  or  a 
complete response letter. An approval letter authorizes commercial marketing of the drug with specific prescribing information for specific 
indications. A complete response letter generally outlines the deficiencies in the submission and may require substantial additional testing or 
information in order for the FDA to reconsider the application. If and when those deficiencies have been addressed to the FDA’s satisfaction 
in a resubmission of the NDA, the FDA will issue an approval letter. The FDA has committed to reviewing such resubmissions in two or six 
months depending on the type of information included. Even with submission of this additional information, the FDA ultimately may decide 
that the application does not satisfy the regulatory criteria for approval and refuse to approve the NDA. Even if the FDA approves a product, 
it  may  limit  the  approved  indications  for  use  for  the  product,  require  that  contraindications,  warnings  or  precautions  be  included  in  the 
product  labeling,  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,  including  Risk  Evaluation  and Mitigation  Strategies,  or  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-market 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. 

Fast track designation 

The FDA is required to facilitate and expedite the development and review of drugs that are intended for the treatment of a serious or 
life-threatening condition for which there is no effective treatment and which demonstrate the potential to address unmet medical needs for 
the condition. Under the fast track program, the sponsor of a new drug candidate may request the FDA to designate the product for a specific 
indication as a fast track product concurrent with or after the filing of the IND for the product candidate. The FDA  must determine if the 
product candidate qualifies for fast track designation within 60 days after receipt of the sponsor’s request. 

In addition to other benefits, such as the ability to use surrogate endpoints and have greater interactions with the FDA, the FDA may 
initiate review of sections of a fast track product’s NDA before the application is complete. This rolling review is available if the applicant 
provides  and  the  FDA  approves  a  schedule  for  the  submission  of  the  remaining  information  and  the  applicant  pays  applicable  user  fees. 
However, the FDA’s time period goal for reviewing a fast track application does not begin until the last section of the NDA is submitted. In 
addition, the fast track designation may be withdrawn by the FDA if the FDA believes that the designation is no longer supported by data 
emerging in the clinical trial process. 

Priority review 

Under FDA policies, a product candidate may be eligible for priority review, a review generally within a six-month time frame from the 
time a complete application is received. Products regulated by the FDA’s Center for Drug Evaluation and Research, or CDER, are eligible for 
priority review if they are intended for treatment of a serious or life-threatening condition and provide a significant improvement compared to 
marketed products in the treatment, diagnosis or prevention of a disease. A fast track designated product candidate would ordinarily meet the 
FDA’s criteria for priority review. 

Accelerated approval 

Under the FDA’s accelerated approval regulations, the FDA may approve a drug for a serious or life-threatening illness that provides 
meaningful therapeutic benefit to patients over existing treatments based upon a surrogate endpoint that is reasonably likely to predict clinical 
benefit. In clinical trials, a surrogate endpoint is a measurement of laboratory or clinical signs of a disease or condition that substitutes for a 
direct measurement of how a patient feels, functions or survives. Surrogate endpoints can often be measured more easily or more rapidly than 
clinical endpoints. A product candidate approved on this basis is subject to rigorous post-marketing compliance requirements, including the 
completion of phase 4 or post-approval clinical trials to confirm the effect on the clinical endpoint. Failure to conduct required post-approval 
studies,  or  confirm  a  clinical  benefit  during  post-marketing  studies,  would  allow  the  FDA  to  withdraw  the  drug  from  the  market  on  an 
expedited  basis.  All  promotional  materials  for  drug  candidates  approved  under  accelerated  regulations  are  subject  to  prior  review  by  the 
FDA. 

Breakthrough therapy designation 

Under the provisions of the new Food and Drug Administration Safety and Innovation Act, or FDASIA, enacted in 2012, a sponsor can 
request designation of a product candidate as a “breakthrough therapy.” A breakthrough therapy is defined as a drug that is intended, alone or 
in  combination  with  one  or  more  other  drugs,  to  treat  a  serious or  life-threatening  disease  or  condition,  and  preliminary  clinical  evidence 
indicates that the drug may demonstrate substantial improvement over existing therapies on one or more clinically significant endpoints, such 
as substantial treatment effects observed early in clinical development. Drugs designated as breakthrough therapies also may be eligible for 
priority  review.  The  FDA  must  take  certain  actions,  such  as  holding  timely  meetings  and  providing  advice,  intended  to  expedite  the 
development  and  review  of  an  application  for  approval  of  a  breakthrough  therapy.  Even  if  a  product  qualifies  for  one  or  more  of  these 
programs, the FDA may later decide that the product no longer meets the conditions for qualification or decide that the time period for FDA 
review or approval will not be shortened. 

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 Orphan drugs 

Under the Orphan Drug Act, the FDA may grant orphan drug designation to drugs intended to treat a rare disease or condition, which is 
generally defined as a disease or condition that affects fewer than 200,000 individuals in the United States. Orphan drug designation must be 
requested before submitting an NDA. After the FDA grants orphan drug designation, the generic identity of the drug and its potential orphan 
use are disclosed publicly by the FDA. Orphan drug designation does not convey any advantage in, or shorten the duration of, the regulatory 
review and approval process. The first NDA applicant to receive FDA approval for a particular active ingredient to treat a particular disease 
with  FDA  orphan  drug  designation  is  entitled  to  a  seven-year  exclusive  marketing  period  in  the  United  States  for  that  product,  for  that 
indication. During the seven-year exclusivity period, the FDA may not approve any other applications to market the same drug for the same 
orphan indication, except in limited circumstances, such as a showing of clinical superiority to the product with orphan drug exclusivity in 
that it is shown to be safer, more effective or makes a major contribution to patient care. Orphan drug exclusivity does not prevent the FDA 
from approving a different drug for the same disease or condition, or the same drug for a different disease or condition. Among the other 
benefits of orphan drug designation are tax credits for certain research and a waiver of the NDA application user fee. 

Pediatric information 

Under the Pediatric Research Equity Act of 2003, 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. A sponsor of a new drug also is required to submit to the FDA a pediatric study plan 
generally 60 days after an end-of-Phase 2 meeting with the agency. Unless otherwise required by regulation, the pediatric data requirements 
do not apply to products with orphan drug designation. 

Combination products 

The  FDA  regulates  combinations  of  products  that  cross  FDA  centers,  such  as  drug,  biologic  or  medical  device  components  that  are 
physically, chemically or otherwise combined into a single entity, as a combination product. The FDA center with primary jurisdiction for the 
combination product will take the lead in the premarket review of the product, with the other center consulting or collaborating with the lead 
center. 

The  FDA’s  Office  of  Combination  Products,  or  OCP,  determines  which  center  will  have  primary  jurisdiction  for  the  combination 
product  based  on  the  combination  product’s  “primary  mode  of  action.”  A  mode  of  action  is  the  means  by  which  a  product  achieves  an 
intended therapeutic effect or action. The primary mode of action is the mode of action that provides the most important therapeutic action of 
the combination product, or the mode of action expected to make the greatest contribution to the overall intended therapeutic effects of the 
combination product. 

Often it is difficult for the OCP to determine with reasonable certainty the most important therapeutic action of the combination product. 
In those difficult cases, the OCP will consider consistency with other combination products raising similar types of safety and effectiveness 
questions, or which center has the most expertise to evaluate the most significant safety and effectiveness questions raised by the combination 
product. 

A sponsor may use a voluntary  formal process, known as a Request for Designation, when the product classification is unclear or in 
dispute, to obtain a binding decision as to which center will regulate the combination product. If the sponsor objects to that decision, it may 
request that the agency reconsider that decision. 

Other regulatory requirements 

Any drug manufactured or distributed by us pursuant to FDA approvals will be 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. 

The FDA may impose a number of post-approval requirements, including REMs, as a condition of approval of an NDA. For example, 
the FDA may require post-marketing testing, including phase 4 clinical trials, and surveillance to further assess and monitor the product’s 
safety and effectiveness after commercialization. 

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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 us and any third-party manufacturers that we may decide to use. Accordingly, manufacturers 
must continue to expend time, money and effort in the areas 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 revisions to the approved labeling to add new safety information, imposition of post-market studies or clinical 
trials to assess new safety risks or imposition of distribution or other restrictions under a Risk Evaluation and Mitigation Strategy program. 
Other potential consequences include, among other things: 

• 

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  applications  or  supplements  to  approved  applications,  or  suspension  or  revocation  of 
product approvals; 

•     product seizure or detention, or refusal to permit the import or export of products; or 
•     consent decrees, 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.  Drugs  may  be 
promoted  only  for  the  approved  indications  and  in  accordance  with  the  provisions  of  the  approved  label.  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. 

Additional provisions 

In addition to FDA restrictions on marketing of pharmaceutical products, several other types of state and federal laws have been applied 
to  restrict  certain  marketing  practices  in  the  pharmaceutical  industry  in  recent  years.  These  laws  include  anti-kickback  statutes  and  false 
claims  statutes.  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 the purchase, lease or order of any healthcare 
item or service reimbursable under Medicare, Medicaid or other federally financed healthcare programs. This statute has been interpreted to 
apply to arrangements between pharmaceutical manufacturers on the one hand and prescribers, purchasers and formulary  managers  on the 
other.  Violations  of  the  anti-kickback  statute  are  punishable by  imprisonment,  criminal  fines,  civil  monetary  penalties  and  exclusion  from 
participation  in  federal  healthcare  programs.  Although  there  are  a  number  of  statutory  exemptions  and  regulatory  safe  harbors  protecting 
certain common activities from prosecution or other regulatory sanctions, the exemptions and safe harbors are drawn narrowly, and practices 
that involve remuneration intended to induce prescribing, purchases or recommendations may be subject to scrutiny if they do not qualify for 
an exemption or safe harbor. 

Federal false claims laws prohibit any person from knowingly presenting, or causing to be presented, a false claim for payment to the 
federal  government,  or  knowingly  making,  or  causing  to  be  made,  a  false  statement  to  have  a  false  claim  paid.  Recently,  several 
pharmaceutical  and  other  healthcare  companies  have  been  prosecuted  under  these  laws  for  allegedly  inflating  drug  prices  they  report  to 
pricing services, which in turn were used by the government to set Medicare and Medicaid reimbursement rates, and for allegedly providing 
free product to customers with the expectation that the customers would bill federal programs for the product. In addition, certain marketing 
practices, including off-label promotion, may also violate false claims laws. The majority of states also have statutes or regulations similar to 
the federal anti-kickback law and false claims laws, which apply to items and services reimbursed under Medicaid and other state programs, 
or, in several states, apply regardless of the payor. 

Physician Drug Samples 

As part of the sales and marketing process, pharmaceutical companies frequently provide samples of approved drugs to physicians. The 
Prescription Drug Marketing Act, or the PDMA, imposes requirements and limitations upon the provision of drug samples to physicians, as 
well as prohibits states from licensing distributors of prescription drugs unless the state licensing program meets certain federal guidelines 
that include minimum standards for storage, handling and record keeping. In addition, the PDMA sets forth civil and criminal penalties for 
violations. 

Foreign Regulation 

In  order  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.  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. 

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 New Legislation and Regulations 

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

Pharmaceutical Coverage, Pricing and Reimbursement 

Significant  uncertainty  exists  as  to  the  coverage  and  reimbursement  status  of  any  drug  products  for  which  we  may  obtain  regulatory 
approval. Sales of any of our product candidates, if approved, will depend, in part, on the extent to which the costs of the products will be 
covered  by  third-party  payors,  including  government  health  programs  such  as  Medicare  and  Medicaid,  commercial  health  insurers  and 
managed care organizations. The process for determining whether a payor will provide coverage for a drug product may be separate from the 
process for setting the price or reimbursement rate that the payor will pay for the drug product once coverage is approved. Third-party payors 
may  limit  coverage  to  specific  drug  products  on  an  approved  list,  or  formulary,  which  might  not  include  all  of  the  approved  drugs  for  a 
particular indication. 

In  order  to  secure  coverage  and  reimbursement  for  any  product  that  might  be  approved  for  sale,  we  may  need  to  conduct  expensive 
pharmacoeconomic  studies  in  order  to  demonstrate  the  medical  necessity  and  cost-effectiveness  of  the  product,  in  addition  to  the  trials 
required  to  obtain  FDA  or  other  comparable  regulatory  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. Third-party reimbursement may not be sufficient to enable us to maintain price levels high enough to realize an appropriate return 
on our investment in product development. 

The containment of healthcare costs has become a priority of federal, state and foreign governments, and the prices of drugs have been a 
focus in this effort. Third-party payors are increasingly challenging the prices charged for medical products and services and examining the 
medical necessity and cost-effectiveness of medical products and services, in addition to their safety and efficacy. If these third-party payors 
do not consider our products to be cost-effective compared to other available therapies, they may not cover our products after approval as a 
benefit  under  their  plans  or,  if  they  do,  the  level  of  payment  may  not  be  sufficient  to  allow  us  to  sell  our  products  at  a  profit.  The  U.S. 
government, state legislatures and foreign governments have shown significant interest in implementing cost containment programs to limit 
the growth of government-paid health care costs, including price controls, restrictions on reimbursement and requirements for substitution of 
generic products for branded prescription drugs. Adoption of such controls and measures, and tightening of restrictive policies in jurisdictions 
with existing controls and measures, could limit payments for pharmaceuticals such as the drug candidates that we are developing and could 
adversely affect our net revenue and results. 

Pricing and reimbursement schemes vary widely from country to country. Some countries provide that drug products may be marketed 
only after a reimbursement price has been agreed. Some countries may require the completion of additional studies that compare the cost-
effectiveness  of  a  particular  product  candidate  to  currently  available  therapies.  For  example,  the  European  Union  provides  options  for  its 
member states to restrict the range of drug products for which their national health insurance systems provide reimbursement and to control 
the  prices  of  medicinal  products  for  human  use.  European  Union  member  states  may  approve  a  specific  price  for  a  drug  product  or  may 
instead  adopt  a  system  of  direct  or  indirect  controls  on  the  profitability  of  the  company  placing  the  drug  product  on  the  market.  Other 
member states allow companies to fix their own prices for drug products, but monitor and control company profits. The downward pressure 
on  health  care  costs  in  general,  particularly  prescription  drugs,  has  become  very  intense.  As  a  result,  increasingly  high  barriers  are  being 
erected to the entry of new products. In addition, in some countries, cross-border imports from low-priced markets exert competitive pressure 
that may reduce pricing within a country. There can be no assurance that any country that has price controls or reimbursement limitations for 
drug products will allow favorable reimbursement and pricing arrangements for any of our products. 

The marketability of any products for which we may receive regulatory approval for commercial sale may suffer if the government and 
third-party payors fail to provide adequate coverage and reimbursement. In addition, an increasing emphasis on managed care in the United 
States has increased and we expect will continue to increase the pressure on drug pricing. Coverage policies, third-party reimbursement rates 
and drug pricing regulation may change at any time. In particular, the Patient Protection and Affordable Care Act was enacted in the United 
States in March 2010 and contains provisions that may reduce the profitability of drug products, including, for example, increased rebates for 
drugs sold to Medicaid programs, extension of Medicaid rebates to Medicaid managed care plans, mandatory discounts for certain Medicare 
Part D beneficiaries and annual fees based on pharmaceutical companies’ share of sales to federal health care programs. Even if favorable 
coverage and reimbursement status is attained for one or more products for which we receive regulatory approval, less favorable coverage 
policies and reimbursement rates may be implemented in the future. 

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Manufacturing 

We  do  not  own  or  operate,  and  currently  have  no  plans  to  establish,  any  manufacturing  facilities.  We  currently  rely,  and  expect  to 
continue to rely, on third parties for the manufacture of our product candidates for pre-clinical and clinical testing, as well as for commercial 
manufacture of any products that we may commercialize. 

Employees 

As  of  February  28,  2015,  we  had  21  employees,  and  various  consultants  and  multiple  research  contract  research  organizations  with 

whom we have contracted. We use consulting agreements to avoid the costs customarily associated with employees to save resources. 

Corporate History 

On July 11, 2014, we merged with Assembly Pharmaceuticals Inc., which we refer to as the Assembly Merger. In connection with the 
Assembly  Merger,  on  July  11,  2014,  we  changed  our  name  from  Ventrus  Biosciences,  Inc.  to  Assembly  Biosciences,  Inc.  We  were 
incorporated in Delaware in October 2005 under the name South Island Biosciences, Inc. (which was changed to Ventrus Biosciences, Inc. in 
April 2007). 

Corporate Information 

Our executive office is at 99 Hudson Street in New York, NY, 10013. Our telephone number is (646) 706-5208. 

Available information 

Our website address is www.assemblybio.com. The information contained on our website is not a part of, and should not be construed as 
being incorporated by reference, into this report. We make available free of charge through our website our press releases, Annual Report on 
Form  10-K,  Quarterly  Reports  on  Form  10-Q,  Current  Reports  on  Form  8-K  and  all  amendments  to  those  reports  as  soon  as  reasonably 
practicable after electronically filed with or furnished to the Securities and Exchange Commission. 

Item 1A. Risk Factors 

This report contains forward-looking statements that involve risks and uncertainties. Our actual results could differ materially from those 
discussed in this report. Factors that could cause or contribute to these differences include, but are not limited to, those discussed below and 
elsewhere in this report and in any documents incorporated in this report by reference. 

If any of the following risks, or other risks not presently known to us or that we currently believe to not be significant, develop into actual 
events, then our business, financial condition, results of operations or prospects could be materially adversely affected. If that happens, the 
market price of our common stock could decline, and stockholders may lose all or part of their investment. 

Risks Related to Our Business 

We have no approved products and currently are dependent on the success of our HBV and microbiome therapies. 

To  date,  we  have  no  approved  product  on  the  market  and  have  generated  no  product  revenues.  Our  prospects  are  substantially 
dependent on our ability to develop and commercialize our HBV and microbiome therapies. Unless and until we receive approval from the 
FDA and other regulatory authorities for our product candidates, we cannot sell our product candidates and will not have product revenues. 
We will have to fund all of our operations and capital expenditures from cash on hand, any licensing fees and any future securities offerings 
or debt financings. 

In addition, all of our product candidates are in an early stage of development and their risk of failure is high. The data supporting our 
drug discovery and development programs are derived from either laboratory and pre-clinical studies. We cannot predict when or if any one 
of our product candidates will prove effective or safe in humans or will receive regulatory approval. The scientific evidence to support the 
feasibility  of  our  product  candidates  is  limited,  and  many  companies,  some  with  more  resources  than  us,  are  and  may  be  developing 
competitive product candidates. For these and other reasons, our drug discovery and development  may not be successful and  we may not 
generate viable products or revenue. 

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We depend entirely on the success of our product candidates, our HBV and microbiome therapies, both of which are in pre-clinical 
development. We cannot be certain that we will be able to obtain regulatory approval for, or successfully commercialize, either of our 
current or any of our other product candidates.  

 Our HBV and microbiome therapies are our only current product candidates. Both are in pre-clinical development stages. Neither of our 
current product candidates has advanced into a pivotal study, and it may be years before such a study is initiated, if ever. The clinical trials of 
our product candidates are, and the manufacturing and marketing of our product candidates will be, subject to extensive and rigorous review 
and  regulation  by  numerous  government  authorities  in  the  United  States  and  in  other  countries  where  we  intend  to  test  and,  if  approved, 
market any product candidate. Before obtaining regulatory approvals for the commercial sale of any product candidate, we must successfully 
meet a number of critical developmental milestones, including: 

• 
• 
• 
• 
• 

developing dosages that will be tolerated, safe and effective; 
demonstrating through clinical trials that the product candidate is safe and effective in patients for the intended indication; 
determining the appropriate delivery mechanism; 
demonstrating that the product candidate formulation will be stable for commercially reasonable time periods; and 
completing  the  development  and  scale-up  to  permit  manufacture  of  our  product  candidates  in  commercial  quantities  and  at 
acceptable prices. 

The time necessary to achieve these developmental milestones for any individual product candidate is long and uncertain, and we may 
not successfully complete these milestones for our HBV and microbiome therapies or any other product candidates that we may develop. We 
have not yet completed and may never complete the development of any product. If we are unable to complete development of our HBV or 
microbiome therapies, or any other product candidates that we may develop, we will be unable to generate revenue or build a sustainable or 
profitable business 

We have a limited operating history and a history of operating losses, and expect to incur significant additional operating losses. 

We were established in October 2005, began active operations in the spring of 2007 and have only a limited operating history. In 
addition,  we  have  terminated  our  programs  related  to  our  three  prior  product  candidates.  Therefore,  there  is  limited  historical  financial 
information  upon  which  to  base  an  evaluation  of  our  performance.  Our  prospects  must  be  considered  in  light  of  the  uncertainties,  risks, 
expenses, and difficulties frequently encountered by companies in their early stages of operations. We, and Assembly Pharmaceuticals prior 
to our merger, have generated losses since we began operations and, as of December 31, 2014, the combined company had an accumulated 
deficit  of  $139.7  million.  Net  cash  outflows  after  the  Assembly  Merger  was  approximately  $7.5  million.  We  expect  to  incur  substantial 
additional  losses  over  the  next  several  years  as  we  continue  to  pursue  our  research,  development,  preclinical  studies  and  clinical  trial 
activities. The amount of future losses and when, if ever, we will achieve profitability are uncertain. We have no products that have generated 
any commercial revenue, do not expect to generate revenues from the commercial sale of products unless and until our HBV or microbiome 
therapies or any other product candidate is approved by the FDA for sale, and we might never generate revenues from the sale of products. 

We are not currently profitable and might never become profitable. 

We have a history of losses and expect to incur significant operating and capital expenditures and resultant substantial losses and 
negative operating cash flow for the next several years, and beyond if we do not successfully launch and commercialize our HBV therapy or 
our microbiome program. We might never achieve or maintain profitability. We anticipate that our expenses will continue to be substantial in 
the foreseeable future as we: 

• 

• 

• 

continue to undertake research and development to identify potential product candidates; 

continue to undertake preclinical studies and clinical trials for our product candidates; and 

seek regulatory approvals for our product candidates. 

As  a  result,  we  will  need  to  generate  significant  revenues  in  order  to  achieve  and  maintain  profitability.  Our  ability  to  generate 

revenue and achieve profitability will depend on, among other things: 

• 

• 

• 

• 

successful completion of research, preclinical studies and clinical trials for our product candidates; 

obtaining  necessary  regulatory  approvals  from  the  FDA  and  international  regulatory  agencies  for  our  product 
candidates; 

establishing manufacturing, sales, and marketing arrangements with third parties for any approved products; and 

raising sufficient funds to finance our activities, if and when needed. 

We  might  not  succeed  at  any  of  these  undertakings.  If  we  are  unsuccessful  at  some  or  all  of  these  undertakings,  our  business, 

prospects, and results of operations might be materially adversely affected. 

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Pre-clinical testing and clinical trials involve a lengthy and expensive process with an uncertain outcome, and results of earlier studies 
and trials may not be predictive of future trial results. 

Preclinical  studies  and  clinical  testing  are  expensive,  can  take  many  years  to  complete  and  their  outcome  is  highly  uncertain. 
Failure can occur at any time during the preclinical study and clinical trial processes due to inadequate performance of a drug candidate or 
inadequate adherence by patients or investigators to clinical trial protocols. In addition, the results of preclinical studies and early  clinical 
trials of product candidates may not be predictive of the results of later-stage clinical trials. For example, in late June 2012, we reported that 
our second Phase III randomized, double-blind, placebo-controlled clinical trial of iferanserin in patients with hemorrhoidal disease did not 
meet its endpoints, despite favorable Phase II trial results. We also reported in February 2014 that our Phase III clinical trial for diltiazem for 
the  treatment  of  anal  fissures  demonstrated  no  significant  improvement  compared  to  placebo  despite  favorable  results  in  a  prior Phase  III 
trial. These same risks apply to our planned development of our current and any other product candidates. 

We are an early stage company and might not be able to commercialize any product candidates. 

We  are  an  early  stage  company  and  have  not  demonstrated  our  ability  to  perform  the  functions  necessary  for  the  successful 
commercialization  of  any  product  candidates.  The  successful  commercialization  of  any  product  candidates  will  require  us  to  perform  a 
variety of functions, including: 

•  

•  

•  

•  

continuing to undertake research and development and preclinical studies and clinical trials; 

participating in regulatory approval processes; 

formulating and manufacturing products; and 

conducting sales, marketing and distribution activities. 

Our  development  of  our  product  candidates  is  subject  to  the  risks  of  failure  and  delay  inherent  in  the  development  of  new 

pharmaceutical products and products based on new technologies, including: 

•  

•  

•  

•  

•  

•  

delays in product development, preclinical and clinical testing; 

unplanned expenditures in product development, preclinical and clinical testing; 

failure of a product candidate to demonstrate acceptable safety and efficacy; 

failure to receive regulatory approvals; 

emergence of superior or equivalent products; 

inability to manufacture and sell on our own, or through any others, product candidates on a commercial scale or at a 
financially viable cost; and 

•  

failure to achieve market acceptance. 

Because of these risks, our research and development efforts might not result in any commercially viable products. If we do not 
successfully complete a significant portion of these development efforts, obtain required regulatory approvals, and have commercial success 
with any approved products, our business, financial condition and results of operations will be materially harmed. 

There  are  substantial  risks  inherent  in  attempting  to  commercialize  new  drugs,  and,  as  a  result,  we  may  not  be  able  to  successfully 
develop products for commercial use.  

Our HBV therapy research and development efforts involve therapeutics based on modulating forms of HBV core proteins with Core 
protein Allosteric Modulators, or CpAMs, which is a clinically unproven mechanism of action. The development of our CpAM technology is 
in the early stages, and the commercial feasibility and acceptance of our CpAM technology are unknown. Similarly, the technology for our 
microbiome therapy is in early stages of preclinical development. 

Scientific research and development requires significant amounts of capital and takes a long time to reach commercial viability, if it 
can be achieved at all. To date, our research and development projects have not produced commercially viable drugs, and may never do so. 
During the research and development process, we may experience technological barriers that we may be unable to overcome. Further, certain 
underlying premises in our development programs are not fully proven. More specifically, the theory that CpAMs can selectively reduce viral 
antigens in HBV patients and result in a functional cure is unproven. Thus, even if CpAM technology is successful at reducing antigen levels 
in HBV patients, it may not be a commercially viable drug if there is not a corresponding medical benefit related to the underlying HBV 
infection. Similarly, the ability to effectively and reliably deliver bacteria to the GI tract is unproven, and, even if it can be proven, it may be 
difficult or impossible to provide the treatment economically. Because of these uncertainties, it is possible that no commercial products will 
be successfully developed. If we are unable to successfully develop commercial products, we will be unable to generate revenue or build a 
sustainable or profitable business. 

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The results of both ongoing and future studies and trials for any of our product candidates might not be predictive of the results in any 
future studies or trials. 

The results of any earlier study or trial for any of our product candidates may not be predictive of the results for any future studies 
or trials. Further, the results of any study or trial for any of our product candidates may not be as positive as the results for any prior studies 
or trials, if at all. In addition, unforeseen safety issues could emerge in any future study or trial, which could severely hamper the likelihood 
of FDA or other regulatory approval of any product candidate. If any of these events were to occur, the development of any product candidate 
could be significantly delayed and more expensive than anticipated, and could lead us to abandon our development efforts entirely, any of 
which would have a significant adverse effect on our business. 

We will need additional financing to complete the development of any product candidate and fund our activities in the future. 

We anticipate that we will incur operating losses for the next several  years as we continue to develop our HBV therapy and our 
microbiome program as well as initiate any development of any other product candidate and will require substantial funds during that time to 
support our operations. We expect that our current resources will provide us with sufficient capital to fund our operations into the second 
quarter of 2016. However,  we  might consume our available capital before that time if,  for  example,  we  are not efficient in  managing our 
resources  or  if  we  encounter  unforeseen  costs,  delays  or  other  issues  or  if  regulatory  requirements  change.  If  that  happens,  we  may  need 
additional  financing  to  continue  the  development  of  our  HBV  therapy  and  our  microbiome  program.  Thereafter,  we  will  need  additional 
capital  to  fund our  operations  in  the  future.  However,  there  is  no  assurance  that  we  will  be  successful  in  raising  any  necessary  additional 
capital on terms that are acceptable to us, or at all. If such event or other unforeseen circumstances occurred and we were unable to raise 
capital, we could be forced to discontinue product development, sacrifice attractive business opportunities, cease operations entirely and sell 
or otherwise transfer all or substantially all of our remaining assets. 

Our product candidates face significant development and regulatory hurdles prior to marketing which could delay or prevent licensing, 
sales and/or milestone revenue. 

Before we or any commercial partner obtains the approvals necessary to sell any of our product candidate, we must show through 
pre-clinical studies and human testing in clinical trials that each potential product is safe and effective. The rates at which we complete our 
scientific studies and clinical trials depend on many factors, including, but are not limited to, our ability to obtain adequate supplies of the 
products to be tested and patient enrollment. Patient enrollment is a function of many factors, including the size of the patient population, the 
proximity of patients to clinical sites, the eligibility criteria for the trial and other potential drug candidates being studied. Delays in patient 
enrollment  for  our  trials  may  result  in  increased  costs  and  longer  development  times.  In  addition,  we  will  need  additional  financing  to 
develop our product candidates, which we might seek and receive from third party commercial partners. Further, we currently do not have the 
infrastructure to market and sell our product candidates. If we partner with one or more third party entities, those commercial partners may 
demand and receive rights to control product development and commercialization. As a result, these commercial partners may conduct these 
programs and activities more slowly or in a different  manner than expected. If any of these events were to occur, the development of any 
product  candidate  could  be  significantly  delayed,  more  expensive  or  less  lucrative  to  us  than  anticipated,  any  of  which  would  have  a 
significant adverse effect on our business. 

We are dependent on a license relationship for each of our HBV therapy and our microbiome program. 

Our license agreement with Indiana University Research and Technology Corporation, or IURTC, from  whom  we have licensed 
our HBV therapy, requires us to make milestone payments based upon the successful accomplishment of clinical and regulatory milestones 
related  to  our  HBV  therapy.  The  total  amount of  all  potential  future  milestone  payments  at  December  31,  2014  is  $825,000.  We  also  are 
obligated to pay IURTC royalty payments based on net sales of the licensed technology. We are also obligated to pay diligence maintenance 
fees ($25,000-$100,000) each year to the extent that the royalty, sublicensing, and milestone payments to IURTC are less than the diligence 
maintenance fee for that year. Our license with Therabiome, LLC, from whom we have licensed our microbiome program, also requires us to 
pay regulatory and clinical milestones as well as royalty payments to Therabiome. If we breach any of these obligations, we could lose our 
rights to our microbiome program. If we fail to comply with similar obligations to any other licensor, it would have the right to terminate the 
license, in which event we would not be able to commercialize drug candidates or technologies that were covered by the license. Also, the 
milestone and other payments associated with licenses will make it less profitable for us to develop our drug candidates than if we owned the 
technology ourselves. 

Our  collaboration  with  Adam  Zlotnick,  the  scientific  founder  of  our  HBV  therapy  is  advantageous.  If  that  collaboration  is  not 
maintained, we may not be able to capitalize on the market potential of our HBV therapy.  

Dr. Adam Zlotnick is the founder of our HBV therapy. We have entered into a three-year consulting agreement with Dr. Zlotnick 
pursuant to which he serves as the Chairman of our Scientific Advisory Board and provides consulting services as we request. Dr. Zlotnick 
could refuse to extend the agreement after its three-year term expires or we could terminate the consulting agreement for cause or no cause. 
Although  Dr.  Zlotnick  assigned  to  us  any  rights  to  intellectual  property  related  to  our  HBV  therapy  that  arise  during  the  term  of  the 
consulting  agreement,  and  while  the  consulting  agreement  contains  a  non-compete  during  the  term  of  the  agreement,  the  loss  of  Dr. 
Zlotnick’s services could materially impair our ability to further the development of our HBV therapy. 

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 Corporate and academic collaborators might take actions to delay, prevent, or undermine the success of our product candidates. 

Our operating and financial strategy for the development, preclinical and clinical testing, manufacture, and commercialization of 
drug candidates heavily depends on collaborating with corporations, academic institutions, licensors, licensees, and other parties. However, 
there  can  be  no  assurance  that  we  will  successfully  establish  these  collaborations.  In  addition,  should  a  collaboration  be  terminated, 
replacement collaborators might not be available on attractive terms, or at all. The activities of any collaborator will not be within our control 
and  might  not  be  within  our  power  to  influence.  There  can  be  no  assurance  that  any  collaborator  will  perform  its  obligations  to  our 
satisfaction or at all, that we will derive any revenue or profits from these collaborations, or that any collaborator will not compete with us. If 
any collaboration is not successful, we might require substantially greater capital to undertake development and marketing of our proposed 
products and might not be able to develop and market these products effectively, if at all. In addition, a lack of development and marketing 
collaborations  might  lead  to  significant  delays  in  introducing  proposed  products  into  certain  markets  and/or  reduced  sales  of  proposed 
products in such markets. 

We rely on data provided by our collaborators and others that has not been independently verified and could prove to be false, misleading, 
or incomplete. 

We rely on third-party vendors, scientists, and collaborators to provide us with significant data and other information related to our 
projects, preclinical studies and clinical trials, and our business. If these third parties provide inaccurate, misleading, or incomplete data, our 
business, prospects, and results of operations could be materially adversely affected. 

Preclinical and clinical testing required for our product candidates is expensive and time-consuming, and the outcome is uncertain. 

In order to obtain FDA approval to market a new drug product, we must demonstrate safety and effectiveness in humans. To meet 
these  requirements,  we  must  conduct  extensive  preclinical  testing  and  sufficient  adequate  and  well-controlled  clinical  trials.  Conducting 
clinical  trials  is  a  lengthy,  time  consuming,  and  expensive  process.  The  length  of  time  might  vary  substantially  according  to  the  type, 
complexity,  novelty,  and  intended  use  of  the  product  candidate,  and  often  can  be  several  years  or  more  per  trial.  Delays  associated  with 
product  candidates  for  which  we  are  directly  conducting  preclinical  studies  or  clinical  trials  might  cause  us  to  incur  additional  operating 
expenses. The commencement and rate of completion of clinical trials might be delayed by many factors, including, for example: 

•  

•  

•  

•  

•  

the lack of effectiveness during clinical trials; 

the emergence of unforeseen safety issues; 

inability  to  manufacture  sufficient  quantities  of  qualified  materials  under  current  Good  Manufacturing  Practices,  or 
cGMPs, for use in clinical trials; 

slower than expected rates of patient recruitment; 

failure to recruit a sufficient number of patients; 

•   modification of clinical trial protocols; 

•  

•  

•  

changes in regulatory requirements for clinical trials; 

delays, suspension, or termination of clinical trials by the institutional review board or ethics committee responsible for 
overseeing the study at a particular study site; and 

government,  institutional  review  board,  ethics  committee,  or  other  regulatory  delays  or  clinical  holds  requiring 
suspension or termination of the trials. 

The results from preclinical testing and early clinical trials are not necessarily predictive of results obtained in later clinical trials. 
Accordingly,  even  if  we  obtain or  have  obtained positive  results  from  preclinical  studies or  early  clinical  trials,  we  might  not  achieve  the 
same success in future clinical trials. For example, positive results were observed in earlier clinical trials of each of our two prior product 
candidates,  but  the  subsequent  clinical  trials  were  not  successful.  Further,  clinical  trials  might  not  provide  statistically  significant  data 
supporting a product candidate’s safety and effectiveness to meet the requisite regulatory approvals. 

We have used and intend to continue to rely on one or more contract research organizations, or CROs, to conduct our preclinical 
studies and clinical trials. We are highly dependent on these CROs to conduct our studies and trials in accordance with the requirements of 
the  FDA  and  good  scientific  practice.  In  the  event  the  CROs  fail  to  perform  their  duties  in  such a  fashion,  we  may  not  obtain  regulatory 
approval for any of our product candidates. 

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The failure of preclinical studies and clinical trials to demonstrate safety and effectiveness for the desired indications could harm 
the development of that product candidate and other product candidates. This failure could cause us to abandon a product candidate and could 
delay development of other product candidates. Any delay in, or termination of, our preclinical studies or clinical trials would delay the filing 
of our New Drug Applications, or NDAs, with the FDA and, ultimately, our ability to commercialize our product candidates and generate 
product revenues. Any change in, or termination of, our clinical trials could materially harm our business, financial condition, and results of 
operation. 

Unforeseen safety issues could hinder the development of our product candidates and their adoption, if approved. 

Safety issues could arise during development of our product candidates, which might delay testing or prevent further development 
entirely.  We  have  not  yet  tested  our  HBV  therapy  or  our  microbiome  therapy  in  clinical  trials  and  safety  issues  could  arise  during  that 
planned  testing  or  testing  of  any  other  product  candidates.  If  a  product  is  approved,  any  limitation  on  use  that  might  be  necessary  could 
hinder its adoption in the marketplace. In addition, if any product is approved, it could be used against any instructions that we publish that 
limit its use, which could subject us to litigation. 

We lack suitable facilities for certain preclinical and clinical testing and expect to rely on third parties to conduct some of our research 
and preclinical testing and our clinical trials and those third parties may not perform satisfactorily, including failing to meet deadlines for 
the completion of such research, testing or trials.  

We  do  not  have  sufficient  facilities  to  conduct  all  of  our  anticipated  preclinical  and  clinical  testing.  As  a  result,  we  expect  to 
contract with third parties to conduct most or all preclinical and clinical testing required for regulatory approval for our product candidates. 
We currently plan to outsource all clinical testing to third parties and are reliant on the services of these third parties to conduct studies on our 
behalf. If  we  are unable to continue with or retain third parties for these purposes on acceptable terms,  we  may be unable to successfully 
develop  our  product  candidates.  In  addition,  any  failures  by  third  parties  to  adequately  perform  their  responsibilities  may  delay  the 
submission of our product candidates for regulatory approval, which would impair our financial condition and business prospects. 

Our reliance on these third parties for research and development activities also reduces our control over these activities but will not 
relieve us of our responsibilities. For example, we are responsible for ensuring that each of our studies is conducted in accordance with the 
applicable protocol, legal and regulatory requirements and scientific standards, and our reliance on third parties does not relieve us of our 
regulatory  responsibilities.  Furthermore,  these  third  parties  may  also  have  relationships  with  other  entities,  some  of  which  may  be  our 
competitors. In addition, these third parties are not our employees, and except for remedies available to us under our agreements with such 
third parties, we cannot control whether or not they devote sufficient time and resources to our clinical and preclinical programs.  If these 
third parties do not successfully carry out their contractual duties or obligations or meet expected deadlines, if they need to be replaced or if 
the  quality  or  accuracy  of  the  clinical  data  they  obtain  is  compromised  due  to  the  failure  to  adhere  to  our  clinical  protocols,  regulatory 
requirements or for other reasons, our research, preclinical studies or clinical trials may be extended, delayed or terminated and we may not 
be able to obtain, or may be delayed in obtaining, regulatory approvals for our product candidates. As a result, our results of operations and 
business prospects would be harmed, our costs could increase and our ability to generate revenues could be delayed. 

We will rely exclusively on third parties to formulate and manufacture our product candidates. 

We  do  not  have  and  do  not  intend  to  establish  our  own  manufacturing  facilities.  Consequently,  we  lack  the  physical  plant  to 
formulate and manufacture our own product candidates. If any product candidate we might develop or acquire in the future receives FDA 
approval, we will rely on one or more third-party contractors to manufacture our products. If, for any reason, we become unable to rely on 
any future source to manufacture our product candidates, either for clinical trials or, at some future date, for commercial quantities, then we 
would  need  to  identify  and  contract  with  additional  or  replacement  third-party  manufacturers  to  manufacture  compounds  for  preclinical, 
clinical  and  commercial  purposes.  We  might  not  be  successful  in  identifying  additional  or  replacement  third-party  manufacturers,  or  in 
negotiating acceptable terms with any that we do identify. If we are unable to secure and maintain third-party manufacturing capacity, the 
development and sales of our products and our financial performance might be materially affected. 

In  addition,  before  any  of  our  collaborators  can begin  to  commercially  manufacture  our product  candidates,  each  manufacturing 
facility  and  process  is  subject  to  regulatory  review.  Manufacturing  of  drugs  for  clinical  and  commercial  purposes  must  comply  with  the 
FDA’s cGMPs, and applicable non-U.S. regulatory requirements. The cGMP requirements govern quality control and documentation policies 
and  procedures.  Complying  with  cGMP  and  non-U.S.  regulatory  requirements  will  require  that  we  expend  time,  money,  and  effort  in 
production,  recordkeeping,  and  quality  control  to  assure  that  the  product  meets  applicable  specifications  and  other  requirements.  Any 
contracted manufacturing facility must also pass a pre-approval inspection prior to FDA approval. Failure to pass a pre-approval inspection 
might significantly delay FDA approval of our product candidates. If any of our future collaborators fails to comply with these requirements, 
it  would  be  subject  to  possible  regulatory  action  which  could  limit  the  jurisdictions  in  which  we  are  permitted  to  sell  our  products,  if 
approved. As a result, our business, financial condition, and results of operations might be materially harmed. 

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Our reliance on third-party manufacturers exposes us to the following risks: 

•  We might be unable to identify manufacturers for commercial supply on acceptable terms or at all because the number 
of  potential  manufacturers  is  limited  and  the  FDA  must  approve  any  replacement  contractor.  This  approval  would 
generally require compliance inspections. In addition, a new  manufacturer  would have to be educated in, or develop 
substantially equivalent processes for, production of our products after receipt of FDA approval, if any. 

•  Our third-party manufacturers might be unable to formulate and manufacture our product candidates in the volume and 

of the quality required to meet our clinical and, if approved, commercial needs. 

•  Our contract manufacturers might not perform as agreed or might not remain in the contract manufacturing business for 

the time required to supply our clinical trials or to successfully produce, store and distribute our products. 

•  One or more of our contract manufacturers could be foreign, which increases the risk of shipping delays and adds the 

risk of import restrictions. 

•  Drug  manufacturers  are  subject  to  ongoing  periodic  unannounced  inspection  by  the  FDA  and  corresponding  state 
agencies  to  ensure  strict  compliance  with  cGMP  and  other  government  regulations  and  corresponding  foreign 
requirements. We would not have complete control over third-party manufacturers’ compliance with these regulations 
and requirements. 

• 

If  any  third-party  manufacturer  makes  improvements  in  the  manufacturing  process  for  our  product  candidates,  we 
might not own, or might have to share, the intellectual property rights to the innovation with our licensors. 

•  We  might  compete  with  other  companies  for  access  to  these  manufacturers’  facilities  and  might  be  subject  to 

manufacturing delays if the manufacturers give other clients higher priority than us. 

Each of these risks could delay our development efforts, preclinical studies and clinical trials or the approval, if any, of our product 
candidates by the FDA or the commercialization of our product candidates and could result in higher costs or deprive us of potential product 
revenues. As a result, our business, financial condition, and results of operations might be materially harmed. 

If we cannot compete successfully for market share against other drug companies, we might not achieve sufficient product revenues and 
our business will suffer. 

If  our  product  candidates  receive  FDA  approval,  they  will  compete  with  a  number  of  existing  and  future  drugs  and  therapies 
developed,  manufactured  and  marketed  by  others.  Existing  or  future  competing  drugs  might  provide  greater  therapeutic  convenience  or 
clinical or other benefits for a specific indication than our product candidates, or might offer comparable performance at a lower cost. If our 
product candidates fail to capture and maintain market share, we might not achieve sufficient product revenues and our business will suffer. 

We  might  compete  against  fully  integrated  pharmaceutical  companies  and  smaller  companies  that  are  collaborating  with  larger 
pharmaceutical companies, academic institutions, government agencies and other public and private research organizations. Many of these 
competitors,  either  alone  or  together  with  their  collaborative  partners,  operate  larger  research  and  development  programs  or  have 
substantially greater financial resources than we do, as well as significantly greater experience in: 

• 

• 

• 

• 

• 

developing drugs; 

undertaking preclinical testing and human clinical trials; 

obtaining FDA and other regulatory approvals of drugs; 

formulating and manufacturing drugs; and 

launching, marketing and selling drugs. 

We might not obtain the same resources and experience as our competitors. If we are unable to perform these tasks effectively and 

efficiently, our results of operations might be materially adversely affected. 

Developments by competitors might render our product candidates or technologies obsolete or non-competitive. 

The  pharmaceutical  and  biotechnology  industries  are  intensely  competitive.  In  addition,  the  clinical  and  commercial  landscape  for 
HBV  and  CDAD  is  rapidly  changing;  we  expect  new  data  from  commercial  and  clinical-stage  products  to  continue  to  emerge.  We  will 
compete with organizations that have existing treatments and that are or will be developing treatments for the indications that our product 
candidates  target.  If  our  competitors  develop  effective  treatments  for  HBV,  CDAD  or  any  other  indication  or  field  we  might  pursue,  and 
successfully  commercialize  those  treatments,  our  business  and  prospects  might  be  materially  harmed,  due  to  intense  competition  in  these 
markets. 

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If  we  are  not  able  to  develop  collaborative  marketing  relationships  with  licensees  or  partners,  or  create  an  effective  internal  sales, 
marketing, and distribution capability, we might be unable to market our products successfully. 

To  market  our  product  candidates,  if  approved,  we  will  have  to  establish  our  own  marketing  and  sales  force  or  out-license  our 
product candidates to, or collaborate with, larger firms with experience in marketing and selling pharmaceutical products. There can be no 
assurance  that  we  will  be  able  to  successfully  establish  our  own  marketing  capabilities  or  establish  marketing,  sales,  or  distribution 
relationships  with  third  parties;  that  such  relationships,  if  established,  will  be  successful;  or  that  we  will  be  successful  in  gaining  market 
acceptance for our product candidates. To the extent that we enter into any marketing, sales, or distribution arrangements with third parties, 
our product revenues will be lower than if we marketed and sold our products directly, and any revenues we receive will depend upon the 
efforts of such third parties. If we are unable to establish such third-party sales and marketing relationships, or choose not to do so, we will 
have to establish our own in-house capabilities. We, as a company, have no experience in marketing or selling pharmaceutical products and 
currently  have  no  sales,  marketing,  or  distribution  infrastructure.  To  market  any  of  our  products  directly,  we  would  need  to  develop  a 
marketing, sales, and distribution force that both has technical expertise and the ability to support a distribution capability. To establish our 
own marketing, sales, and distribution capacity would significantly increase our costs, and require substantial additional capital. In addition, 
there  is  intense  competition  for  proficient  sales  and  marketing  personnel,  and  we  might  not  be  able  to  attract  individuals  who  have  the 
qualifications  necessary  to  market,  sell,  and  distribute  our  products.  There  can  be  no  assurance  that  we  will  be  able  to  establish  internal 
marketing, sales, or distribution capabilities. 

Physicians and patients might not accept and use our drugs. 

Even if the FDA approves one of our product candidates, physicians and patients might not accept and use it. Acceptance and use 

of our products will depend upon a number of factors, including: 

• 

• 
• 
• 

perceptions by members of the health care community, including physicians, about the safety and effectiveness of our 
product; 
cost-effectiveness of our product relative to competing products or therapies; 
availability of reimbursement for our product from government or other healthcare payors; and 
effective marketing and distribution efforts by us and our licensees and distributors, if any. 

If  our  current  product  candidates  are  approved,  we  expect  sales  to  generate  substantially  all  of  our  revenues  for  the  foreseeable 
future,  and  as  a  result,  the  failure  of  these  products  to  find  market  acceptance  would  harm  our  business  and  would  require  us  to  seek 
additional financing. 

Even if we are able to commercialize any product candidates, those products may become subject to unfavorable pricing regulations, third 
party reimbursement practices or healthcare reform initiatives, which would harm our business.  

The  regulations  that  govern  marketing  approvals,  pricing  and  reimbursement  for  new  medicines  vary  widely  from  country  to 
country.  In  the  United  States,  recently  enacted  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  medicine before it can be 
marketed.  In  many  countries,  the  pricing  review  period  begins  after  marketing  or  product  licensing  approval  is  granted.  In  some  foreign 
markets, prescription pharmaceutical pricing remains subject to continuing governmental control even after initial approval is granted. As a 
result,  we  might  obtain  marketing  approval  for  a  medicine  in  a  particular  country,  but  then  be  subject  to  price  regulations  that  delay  our 
commercial launch of the medicine, possibly for lengthy time periods, and negatively impact the revenues we are able to generate from the 
sale  of  the  medicine  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. 

Our ability to commercialize any medicines successfully also will depend in part on the extent to which reimbursement for these 
medicines  and  related  treatments  will  be  available  from  government  health  administration  authorities,  private  health  insurers  and  other 
organizations. Government authorities and third party payors, such as private health insurers and health maintenance organizations, decide 
which medications they will pay for and establish reimbursement levels. A primary trend in the U.S. healthcare industry and elsewhere is cost 
containment.  Government  authorities  and  third  party  payors  have  attempted  to  control  costs  by  limiting  coverage  and  the  amount  of 
reimbursement  for  particular  medications.  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. We cannot be sure that reimbursement 
will  be  available  for  any  product  candidate  that  we  commercialize  and,  if  reimbursement  is  available,  the  level  of  reimbursement. 
Reimbursement may impact the demand for, or the price of, any product candidate for which we obtain marketing approval. If reimbursement 
is not available or is available only to limited levels, we may not be able to successfully commercialize any product candidate for which we 
obtain marketing approval. 

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There may be significant delays in obtaining reimbursement for newly approved medicines, and coverage may be more limited than 
the purposes for which the medicine is approved by the FDA or similar regulatory authorities outside the United States. Moreover, eligibility 
for  reimbursement  does  not  imply  that  any  medicine  will  be  paid  for  in  all  cases  or  at  a  rate  that  covers  our  costs,  including  research, 
development, manufacture, sale and distribution. Interim reimbursement levels for new medicines, if applicable, may also not be sufficient to 
cover our costs and may not be made permanent. Reimbursement rates may vary according to the use of the medicine and the clinical setting 
in  which  it  is  used,  may  be  based  on  reimbursement  levels  already  set  for  lower  cost  medicines  and  may  be  incorporated  into  existing 
payments for other services. Net prices for medicines 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 medicines from countries where they may 
be sold at lower prices than in the United States. Third party payors often rely upon Medicare coverage policy and payment limitations in 
setting  their  own  reimbursement  policies.  Our  inability  to  promptly  obtain  coverage  and  profitable  payment  rates  from  both  government-
funded and private payors for any approved product candidates that we develop could have a material adverse effect on our operating results, 
our ability to raise capital needed to commercialize product candidates and our overall financial condition. 

If we lose key management or scientific personnel, cannot recruit qualified employees, directors, officers, or other significant personnel 
or experience increases in our compensation costs, our business might materially suffer. 

We are highly dependent on the services of our Chief Executive Officer and President, Derek Small, our Chief Medical Officer and 
Vice  President  of  Research  and  Development,  Dr.  Uri  Lopatin,  our  Chief  Scientific  Officer,  Dr.  Lee  D.  Arnold,  and  our  Chief  Financial 
Officer and Chief Operating Officer, David J. Barrett. Our employment agreements with Mr. Small, Dr. Lopatin, Dr. Arnold and Mr. Barrett 
do not ensure their retention. This is also true for our other management team members, both present and future. 

Furthermore,  our  future  success  also  depends,  in  part,  on  our  ability  to  identify,  hire,  and  retain  additional  management  team 
members  as  our operations  grow.  We  expect  to  experience  intense  competition  for qualified personnel  and  might  be  unable  to  attract  and 
retain the personnel necessary for the development of our business. Finally, we do not currently maintain, nor do we intend to obtain in the 
future, “key man” life insurance that would compensate us in the event of the death or disability of any of the members of our management 
team. 

The failure by us to retain, attract and motivate executives and other key employees could have a material adverse impact on our 

business, financial condition and results of operations. 

If  we  cannot  enforce  non-compete  and  confidentiality  provisions  applicable  to  our  employees  and  consultants,  our  business  might 
materially suffer. 

We include a non-compete provision in any employment agreement we enter into with an employee, including those for Messrs. 
Small, Barrett, Lopatin and Arnold, that runs during the term of the agreement and for a period of time after termination, depending on the 
individual. 

We include a confidentiality provision in any employment or consulting agreement we enter into with an employee or a consultant. 

The confidentiality provision runs during the term of the agreement and thereafter without limit. 

For future employees with whom we do not enter into an employment agreement, we will enter into a confidentiality agreement 

with the same provisions described above. 

To be able to enforce these non-compete and confidentiality provisions we would need to know of any breach and have sufficient 
funds to enforce the provisions. We cannot assure you that we would know of or be able to afford enforcement of any breach. In addition, 
such  provisions  are  subject  to  state  law  and  interpretation  by  courts,  which  could  limit  the  scope  and  duration  of  these  provisions.  Any 
limitation on or non-enforcement of these non-compete and confidentiality provisions could have an adverse effect on our business. 

If we are unable to hire additional qualified personnel, our ability to grow our business might be harmed.  

As of February 28, 2015, we had 21 employees, and various consultants and multiple contract research organizations with whom 
we  have  contracted.  We  will  need  to  hire  or  contract  with  additional  qualified  personnel  with  expertise  in  clinical  research  and  testing, 
government  regulation,  formulation  and  manufacturing  and  sales  and  marketing  to  commercialize  our  HBV  therapy  and  our  microbiome 
program or any other product candidate we  may seek to develop. We compete  for qualified individuals with numerous biopharmaceutical 
companies, universities and other research institutions. Competition for these individuals is intense, and we cannot be certain that our search 
for such personnel will be successful. Attracting and retaining qualified personnel will be critical to our success. 

We might not successfully manage our growth. 

Our  success  will  depend upon  the  expansion of  our operations  and  the  effective  management  of  our  growth,  which  will  place  a 
significant strain on our current and future management and other administrative and operational resources. To manage this growth, we must 
expand our facilities, augment our operational, financial and management systems and hire and train additional qualified personnel. If we are 
unable to manage our growth effectively, our business would be harmed. 

20 

  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
  
We might seek to develop our business through acquisitions of or investment in new or complementary businesses, products or 
technologies, and the failure to manage these acquisitions or investments, or the failure to integrate them with our existing business, 
could have a material adverse effect on us. 

 We  might  consider  opportunities  to  acquire  or  invest  in  other  technologies,  products  and  businesses  that  might  enhance  our 
capabilities or complement our current product candidates. Potential and completed acquisitions and strategic investments involve numerous 
risks, including potential problems or issues associated with the following: 

• 

assimilating the purchased technologies, products or business operations; 

•  maintaining uniform standards, procedures, controls and policies; 

• 

• 

unanticipated costs associated with the acquisition or investment; 

diversion of our management’s attention from our preexisting business; 

•  maintaining or obtaining the necessary regulatory approvals or complying with regulatory requirements; and 

• 

adverse effects on existing business operations. 

We  have  no  current  commitments  with  respect  to  any  acquisition  or  investment  in  other  technologies  or  businesses.  We  do  not 
know if we will identify suitable acquisitions, whether we will be able to successfully complete any acquisitions, or whether we will be able 
to successfully integrate any acquired product, technology or business into our business or retain key personnel, suppliers or collaborators. 

Our ability to successfully develop our business through acquisitions would depend on our ability to identify, negotiate, complete 
and  integrate  suitable  target  businesses  or  technologies  and  obtain  any  necessary  financing.  These  efforts  could  be  expensive  and  time 
consuming and might disrupt our ongoing operations. If we are unable to efficiently integrate any acquired business, technology or product 
into our business, our business and financial condition might be adversely affected. 

Risks Related to Our Regulatory and Legal Environment 

We are subject to extensive and costly government regulation. 

Product  candidates  employing  our  technology  are  subject  to  extensive  and  rigorous  domestic  government  regulation  including 
regulation  by  the  FDA,  the  Centers  for  Medicare  and  Medicaid  Services,  other  divisions  of  the  U.S.  Department  of  Health  and  Human 
Services,  the  U.S.  Department  of  Justice,  state  and  local  governments,  and  their  respective  foreign  equivalents.  The  FDA  regulates  the 
research,  development,  preclinical  and  clinical  testing,  manufacture,  safety,  effectiveness,  record-keeping,  reporting,  labeling,  storage, 
approval,  advertising,  promotion,  sale,  distribution,  import,  and  export  of  pharmaceutical  products.  The  FDA  regulates  small  molecule 
chemical  entities,  whether  administered  orally,  topically  or  by  injection,  as  drugs,  subject  to  an  NDA,  under  the  Federal  Food,  Drug,  and 
Cosmetic  Act.  If  products  employing  our  technologies  are  marketed  abroad,  they  will  also  be  subject  to  extensive  regulation  by  foreign 
governments, whether or not they have obtained FDA approval for a given product and its uses. Such foreign regulation might be equally or 
more demanding than corresponding U.S. regulation. 

Government regulation substantially increases the cost and risk of researching, developing, manufacturing, and selling our product 
candidates. The regulatory review and approval process, which includes preclinical testing and clinical trials of each product candidate, is 
lengthy, expensive, and uncertain. We or our collaborators must obtain and maintain regulatory authorization to conduct clinical trials and 
approval  for  each  product  we  intend  to  market,  and  the  manufacturing  facilities  used  for  the  products  must  be  inspected  and  meet  legal 
requirements. Securing regulatory approval requires submitting extensive preclinical and clinical data and other supporting information for 
each  proposed  therapeutic  indication  in  order  to  establish  the  product’s  safety  and  efficacy  for  each  intended  use.  The  development  and 
approval process might take many years, requires substantial resources, and might never lead to the approval of a product. 

Even if we are able to obtain regulatory approval for a particular product, the approval might limit the intended medical uses for the 
product,  limit  our  ability  to  promote,  sell,  and  distribute  the  product,  require  that  we  conduct  costly  post-marketing  surveillance,  and/or 
require  that  we  conduct  ongoing  post-marketing  studies.  Material  changes  to  an  approved  product,  such  as,  for  example,  manufacturing 
changes  or  revised  labeling,  might  require  further  regulatory  review  and  approval.  Once  obtained,  any  approvals  might  be  withdrawn, 
including, for example, if there is a later discovery of previously unknown problems with the product, such as a previously unknown safety 
issue. 

If we, our collaborators, or our contract manufacturers fail to comply with applicable regulatory requirements at any stage during 
the  regulatory  process,  such  noncompliance  could  result  in,  among  other  things,  delays  in  the  approval  of  applications  or  supplements  to 
approved applications; refusal of a regulatory authority, including the FDA, to review pending market approval applications or supplements 
to approved applications; untitled letters or warning letters; fines; import and export restrictions; product recalls or seizures; injunctions; total 
or  partial  suspension  of  production;  civil  penalties;  withdrawals  of  previously  approved  marketing  applications;  recommendations  by  the 
FDA or other regulatory authorities against governmental contracts; and/or criminal prosecutions. 

21 

  
 
  
 
  
 
  
 
  
 
  
 
  
  
  
  
  
  
  
  
  
 
 
 
We might not obtain the necessary U.S. or worldwide regulatory approvals to commercialize any product candidate. 

We cannot assure you that we will receive the approvals necessary to commercialize for sale any of our product candidates, or any 
product candidate we acquire or develop in the future. We will need FDA approval to commercialize our product candidates in the U.S. and 
approvals  from  the  FDA-equivalent  regulatory  authorities  in  foreign  jurisdictions  to  commercialize  our  product  candidates  in  those 
jurisdictions. In order to obtain FDA approval of any product candidate, we must submit to the FDA an NDA demonstrating that the product 
candidate  is  safe  for  humans  and  effective  for  its  intended  use.  This  demonstration  requires  significant  research,  preclinical  studies,  and 
clinical trials. Satisfaction of the FDA’s regulatory requirements typically takes many years, depends upon the type, complexity and novelty 
of the product candidate and requires substantial resources for research, development and testing. We cannot predict whether our research 
and  clinical  approaches  will  result  in  drugs  that  the  FDA  considers  safe  for  humans  and  effective  for  their  indicated  uses.  The  FDA  has 
substantial discretion in the drug approval process and might require us to conduct additional preclinical and clinical testing, perform post-
marketing studies or otherwise limit or impose conditions on any approval we obtain. For example, the FDA proposed that we include an 
additional treatment arm in our pivotal Phase III trial for our former product candidate iferanserin, which increased the cost of that trial. 

The  approval  process  might  also  be  delayed  by  changes  in  government  regulation,  future  legislation  or  administrative  action  or 

changes in FDA policy that occur prior to or during our regulatory review. Delays in obtaining regulatory approvals might: 

• 

• 

• 

delay commercialization of, and our ability to derive product revenues from, our product candidates; 

impose costly procedures on us; and 

diminish any competitive advantages that we might otherwise enjoy. 

Even if we comply with all FDA requests, the FDA might ultimately reject one or more of our NDAs. We cannot be sure that we 
will  ever  obtain  regulatory  approval  for  our  product  candidates.  Failure  to  obtain  FDA  approval  of  our  product  candidates  will  severely 
undermine  our  business  by  leaving  us  without  a  saleable  product,  and  therefore  without  any  source  of  revenues,  until  another  product 
candidate could be developed or obtained. There is no guarantee that we will ever be able to develop an existing, or acquire another, product 
candidate. 

In  foreign  jurisdictions,  we  must  receive  approval  from  the  appropriate  regulatory  authorities  before  we  can  commercialize  any 
product candidates. The risks associated with foreign regulatory approval processes are similar to the risks associated with the FDA approval 
procedures described above. We cannot assure you that we will receive the approvals necessary to commercialize our product candidates for 
sale outside the U.S. 

Even if approved, our product candidates will be subject to extensive post-approval regulation. 

Once a product candidate is approved, numerous post-approval requirements apply. Among other things, the holder of an approved 
NDA is subject to ongoing FDA oversight monitoring and reporting obligations, including obligations to monitor and report adverse events 
and  instances  of  the  failure  of  a  product  to  meet  the  specifications  in  the  NDA.  Application  holders  must  submit  new  or  supplemental 
applications and obtain FDA approval for changes to the approved product, product labeling, or manufacturing process, depending on the 
nature of the change.  Application holders also must submit advertising and other promotional material to the FDA and report on ongoing 
clinical trials. The FDA  also has the authority to require changes in the labeling of approved drug products and to require post-marketing 
studies. 

Advertising  and  promotional  materials  must  comply  with  FDA  rules  in  addition  to  other  applicable  federal  and  state  laws.  The 
distribution  of  product  samples  to  physicians  must  comply  with  the  requirements  of  the  Prescription  Drug  Marketing  Act.  Manufacturing 
facilities  remain  subject  to  FDA  inspection  and  must  continue  to  adhere  to  the  FDA’s  cGMP  requirements.  Sales,  marketing,  and 
scientific/educational grant programs, among other activities, must comply  with the anti-fraud and abuse provisions of the Social Security 
Act,  the  False  Claims  Act,  and  similar  state  laws,  each  as  amended.  Pricing  and  rebate  programs  must  comply  with  the  Medicaid  rebate 
requirements of the Omnibus Budget Reconciliation Act of 1990 and the Veteran’s Health Care Act of 1992, each as amended. If products 
are  made  available  to  authorized  users  of  the  Federal  Supply  Schedule  of  the  General  Services  Administration,  additional  laws  and 
requirements apply. All of these activities are also potentially subject to federal and state consumer protection and unfair competition laws. 

Depending  on  the  circumstances,  failure  to  meet  these  post-approval  requirements  can  result  in  criminal  prosecution,  fines, 
injunctions, recall or seizure of products, total or partial suspension of production, denial or withdrawal of pre-marketing product approvals, 
or  refusal  to  allow  us  to  enter  into  supply  contracts,  including  government  contracts.  In  addition, even  if  we  comply  with  FDA  and  other 
requirements,  new  information  regarding  the  safety  or  effectiveness  of  a  product  could  lead  the  FDA  to  modify  or  withdraw  product 
approval. 

 22 

  
  
  
 
  
 
  
 
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
We face the risk of product liability claims and might not be able to obtain insurance. 

Our business exposes us to the risk of product liability claims that are inherent in the development of drugs. If the use of one or 
more of our or our collaborators’ drugs harms people, we might be subject to costly and damaging product liability claims brought against us 
by  clinical  trial  participants,  consumers,  health  care  providers,  pharmaceutical  companies  or  others  selling  our  products.  Our  inability  to 
obtain sufficient product liability insurance at an acceptable cost to protect against potential product liability claims could prevent or inhibit 
the commercialization of pharmaceutical products we develop. We expect to obtain clinical trial insurance for our product candidates prior to 
beginning clinical trials. We cannot predict all of the possible harms or side effects that might result and, therefore, the amount of insurance 
coverage  we obtain, if any, in the future might not be adequate to cover all liabilities we  might incur. We intend to expand our insurance 
coverage  to  include  product  liability  insurance  covering  the  sale  of  commercial  products  if  we  obtain  marketing  approval  for  our  drug 
candidates in development, but we might be unable to obtain commercially reasonable product liability insurance for any products approved 
for marketing. If we are unable to obtain insurance at an acceptable cost or otherwise protect against potential product liability claims, we 
will be exposed to significant liabilities, which might materially and adversely affect our business and financial position. If we are sued for 
any injury allegedly caused by our or our collaborators’ products, our liability could exceed our total assets and our ability to pay the liability. 
A successful product liability claim or series of claims brought against us would decrease our cash and could cause the value of our common 
stock to decrease. 

We might be exposed to liability claims associated with the use of hazardous materials and chemicals. 

Our research, development and manufacturing activities and/or those of our third-party contractors might involve the controlled use 
of hazardous materials and chemicals. Although we will strive to have our safety procedures, and those of our contractors, for using, storing, 
handling and disposing of these materials comply with federal, state and local laws and regulations, we cannot completely eliminate the risk 
of  accidental  injury  or  contamination  from  these  materials.  In  the  event  of  such  an  accident,  we  could  be  held  liable  for  any  resulting 
damages,  and  any  liability  could  materially  adversely  affect  our  business,  financial  condition  and  results  of  operations.  In  addition,  the 
federal,  state  and  local  laws  and  regulations  governing  the  use,  manufacture,  storage,  handling  and  disposal  of  hazardous  or  radioactive 
materials  and  waste  products  might  require  us  to  incur  substantial  compliance  costs  that  could  materially  adversely  affect  our  business, 
financial  condition  and  results  of  operations.  We  currently  do  not  carry  hazardous  materials  liability  insurance.  We  intend  to  obtain  such 
insurance in the future if necessary, but cannot give assurance that we could obtain such coverage. 

Risks Related to Our Intellectual Property 

Our business depends on protecting our intellectual property. 

If  we  and  our  licensors  IURTC  and  Therabiome  do  not  obtain  protection  for  our  respective  intellectual  property  rights,  our 
competitors might be able to take advantage of our research and development efforts to develop competing drugs. Our success, competitive 
position and future revenues, if any, depend in part on our ability and the abilities of our licensors to obtain and maintain patent protection for 
our  products,  methods,  processes  and  other  technologies,  to  preserve  our  trade  secrets,  to  prevent  third  parties  from  infringing  on  our 
proprietary rights and to operate without infringing the proprietary rights of third parties. 

We  seek  to  protect  our  proprietary  position  by  filing  patent  applications  in  the  United  States  and  abroad  related  to  our  novel 
technologies and medicines that are important to our business. To date, although our licensors have filed patent applications, we do not own 
or have any rights to any issued patents that cover any of our product candidates, and we cannot be certain that we will secure any rights to 
any issued patents with claims that cover any of our proprietary medicines and technologies. 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. 

The patent process also is subject to numerous risks and uncertainties, and there can be no assurance that we will be successful in 

protecting our products by obtaining and defending patents. These risks and uncertainties include the following: 

•  Any patent rights, if obtained, might be challenged, invalidated, or circumvented, or otherwise might not provide any 

competitive advantage; 

•  Our  competitors,  many  of  which  have  substantially  greater  resources  than  we  do  and  many  of  which  might  make 
significant investments in competing technologies, might seek, or might already have obtained, patents that will limit, 
interfere with, or eliminate our ability to make, use, and sell our potential products either in the U.S. or in international 
markets; 

•  As  a  matter  of  public  policy  regarding  worldwide  health  concerns,  there  might  be  significant  pressure  on  the  U.S. 
government and other international governmental bodies to limit the scope of patent protection both inside and outside 
the U.S. for disease treatments that prove successful; and 

23 

  
  
  
  
  
  
  
  
  
 
  
 
  
 
 
 
 
 
 
 
 
 
• 

Countries  other  than  the  U.S.  might  have  patent  laws  that  provide  less  protection  than  those  governing  U.S.  courts, 
allowing foreign competitors the ability to exploit these laws to create, develop, and market competing products. 

In  addition,  the  U.S.  Patent  and  Trademark  Office  and  patent  offices  in  other  jurisdictions  have  often  required  that  patent 
applications  concerning  pharmaceutical  and/or  biotechnology-related  inventions  be  limited  or  narrowed  substantially  to  cover  only  the 
specific innovations exemplified in the patent application, thereby limiting the scope of protection against competitive challenges. Thus, even 
if we or our licensors are able to obtain patents, the patents might be substantially narrower than anticipated. 

Patent and other intellectual property protection is crucial to the success of our business and prospects, and there is a substantial 
risk that such protections, if obtained, will prove inadequate. Our business and prospects will be harmed if we fail to obtain these protections 
or they prove insufficient. 

We might be involved from time to time in litigation to determine the enforceability, scope and validity of our proprietary rights. 

Any such litigation could result in substantial cost and divert management’s attention from our operations. 

We rely on trade secret protections through confidentiality agreements with our employees, customers and other parties, and the breach 
of these agreements could adversely affect our business and prospects. 

We rely on trade secrets and proprietary know-how, which we seek to protect, in part, through confidentiality, invention, and non-
disclosure  agreements  with  our  employees,  scientific  advisors,  consultants,  collaborators,  suppliers,  and  other  parties.  There  can  be  no 
assurance that these agreements will not be breached, that we would have adequate remedies for any such breach or that our trade secrets will 
not  otherwise  become  known  to  or  independently  developed  by  our  competitors.  If  any  of  these  events  occurs,  or  we  otherwise  lose 
protection for our trade secrets or proprietary know-how, the value of this information may be greatly reduced. 

If we infringe the rights of third parties we might have to forgo selling our future products, pay damages, or defend against litigation. 

If our product candidates, methods, processes and other technologies infringe the proprietary rights of other parties, we could incur 

substantial costs and we might have to: 

• 

• 

• 

• 

• 

• 

obtain licenses, which might not be available on commercially reasonable terms, if at all; 

abandon an infringing product candidate; 

redesign our products or processes to avoid infringement; 

stop using the subject matter claimed in the patents held by others; 

pay damages; and/or 

defend litigation or administrative proceedings which might be costly whether we win or lose, and which could result 
in a substantial diversion of our financial and management resources. 

Any of these events could substantially harm our earnings, financial condition and operations. 

Risks Related to Our Common Stock 

We might not be able to maintain the listing of our common stock on The NASDAQ Capital Market. 

Our common stock is listed on The NASDAQ Capital Market under the symbol “ASMB.” We might not be able to maintain the 
listing standards of that exchange. If we fail to maintain the listing requirements, our common stock might trade on the OTC Bulletin Board 
or in the “pink sheets” maintained by Pink OTC Markets, Inc. These alternative markets are generally considered to be markets that are less 
efficient and less broad than The NASDAQ Capital Market. 

The price of our common stock might fluctuate significantly, and you could lose all or part of your investment. 

Since we went public on December 22, 2010 and through February 27, 2015, the closing price of our common stock has fluctuated 
between $4.30 and $101.25 (after giving effect to the 1-for-5 reverse stock split effected on July 11, 2014), with significant volatility after we 
announced  on  June  25,  2012  that  our  prior  product  candidate  iferanserin  failed  to  meet  the  endpoints  of  our  Phase  III  trial,  and  after  we 
announced  in  February  2014  that  our  prior  product  candidate  diltiazem  demonstrated  no  significant  improvement  compared  to  placebo. 
Continued volatility in the market price of our common stock might prevent you from being able to sell your shares of our common stock at 
or above the price you paid for such shares. The trading price of our common stock might be volatile and subject to wide price fluctuations in 
response to various factors, including: 

• 
• 
• 
• 

the receipt or loss of required regulatory approvals for our product candidates; 
results of our preclinical studies and clinical trials and other studies involving our product candidates; 
availability of capital; 
future sales of our common stock; 

24 

 
  
  
  
  
  
  
  
  
 
  
 
  
 
  
 
  
 
  
 
  
  
  
  
  
  
  
 
 
  
 
• 
• 
• 
• 

• 
• 

• 
• 
• 
• 
• 
• 
• 

sale of shares of our common stock by our significant stockholders or members of our management; 
additions or departures of key personnel; 
investor perceptions of us and the pharmaceutical industry; 
issuance of new or changed securities analysts’ reports or recommendations, or the announcement of any changes to 
our credit rating; 
success or failure of our product candidates; 
introduction of new products or announcements of significant contracts, acquisitions or capital commitments by us or 
our competitors; 
threatened or actual litigation and government investigations; 
legislative, political or regulatory developments; 
the overall performance of the equity markets; 
actual or anticipated fluctuations in our quarterly financial and operating results; 
general economic conditions; 
changes in interest rates; and 
changes in accounting standards, policies, guidance, interpretations or principles. 

These and other factors might cause the market price of our common stock to fluctuate substantially, which might limit or prevent 
investors from readily selling their shares of our common stock and might otherwise negatively affect the liquidity of our common stock. In 
addition,  in  recent  years,  the  stock  market  has  experienced  significant  price  and  volume  fluctuations.  This  volatility  has  had  a  significant 
impact on the market price of securities issued by many companies across many industries. The changes frequently appear to occur without 
regard  to  the  operating  performance  of  the  affected  companies.  Accordingly,  the  price  of  our  common  stock  could  fluctuate  based  upon 
factors that have little or nothing to do with our company, and these fluctuations could materially reduce our share price. 

Our principal stockholders and management own a significant percentage of our stock and will be able to exert significant control over 
matters subject to stockholder approval.  

At  February  27,  2015,  our  executive  officers,  directors  and  one  of  our  founders  beneficially  owned  approximately  28%  of  our 
outstanding  voting  common  stock.  Therefore,  these  stockholders  have  the  ability  to  influence  us  through  their  ownership  position.  These 
stockholders may be able to determine the outcome of all matters requiring stockholder approval. For example, these stockholders may be 
able to control elections of directors, amendments of our organizational documents, or approval of any merger, sale of assets, or other major 
corporate transaction. This may prevent or discourage unsolicited acquisition proposals or offers for our common stock that you may feel are 
in your best interest as one of our stockholders. 

We do not intend to pay dividends for the foreseeable future and our stock may not appreciate in value. 

We currently intend to retain our future earnings, if any, to finance the operation and growth of our business and do not expect to 
pay any cash dividends in the foreseeable future. As a result, the success of an investment in shares of our common stock will depend upon 
any future appreciation in its value. There is no guarantee that shares of our common stock will appreciate in value or that the price at which 
our stockholders have purchased their shares will be able to be maintained. 

The requirements of being a public company add to our operating costs and might strain our resources and distract our management. 

As  a  public  company,  we  face  increased  legal,  accounting,  administrative  and  other  costs  and  expenses  not  faced  by  private 
companies. We are subject to the reporting requirements of the Securities Exchange Act of 1934, which requires that we file annual, quarterly 
and current reports with respect to our business and financial condition, and the rules and regulations implemented by the SEC, the Sarbanes-
Oxley  Act  of  2002,  and  The  NASDAQ  Capital  Market,  each  of  which  imposes  additional  reporting  and  other  obligations  on  public 
companies. These rules and regulations increase our legal and financial compliance costs and make some activities more time-consuming and 
costly, although we are currently unable to estimate these costs with any degree of certainty. Complying with these requirements might divert 
management’s attention from other business concerns, which could have a material adverse effect on our prospects, business, and financial 
condition. 

Additionally,  the  expenses  incurred  by  public  companies  generally  for  reporting  and  corporate  governance  purposes  have  been 
increasing. These increased costs will require us to divert a significant amount of money that we could otherwise use to develop our product 
candidates or otherwise expand our business. If we are unable to satisfy our obligations as a public company, we could be subject to delisting 
of our common stock, fines, sanctions and other regulatory action and potentially civil litigation. 

25 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
Several provisions of the Delaware General Corporation Law and our Amended and Restated Certificate of Incorporation and Bylaws 
could discourage, delay or prevent a merger or acquisition, which could adversely affect the market price of our securities. 

 Several  provisions  of  the  Delaware  General  Corporation  Law  and  our  Amended  and  Restated  Certificate  of  Incorporation  and 
Bylaws  could  discourage,  delay  or  prevent  a  merger  or  acquisition  that  stockholders  may  consider  favorable,  and  the  market  price  of  our 
securities could be reduced as a result. These provisions may include: 

• 

• 

• 

• 

prohibiting us from engaging in a “business combination” with an “interested stockholder” for a period of three years 
after the date of the transaction in which the person became an interested stockholder unless certain provisions are met; 

prohibiting cumulative voting in the election of directors; 

limiting the persons who may call special meetings of stockholders; and 

establishing advance notice requirements for nominations for election to our board of directors or for proposing matters 
that can be acted on by stockholders at stockholder meetings; 

If securities analysts downgrade our stock or cease coverage of us, the price of our stock could decline. 

The trading market for our common stock relies in part on the research and reports that industry or financial analysts publish about 
us or our business. Currently, two financial analysts publish reports about us and our business. We do not control these or any other analysts. 
Furthermore, there are many large, well-established, publicly traded companies active in our industry and market, which may mean that it is 
less likely that we will receive widespread analyst coverage. If any of the analysts who cover us downgrade our stock, our stock price would 
likely decline rapidly. If these analysts cease coverage of our company, we could lose visibility in the market, which in turn could cause our 
stock price to decline. 

Item 1B. Unresolved Staff Comments 

None. 

Item 2. Properties 

We occupy space on the 5th floor at 99 Hudson Street, New York, New York 10013. We rent this space pursuant to a lease that runs 
until  September  2015.  Since  January  2015,  our  principal  laboratory  facilities  consist  of  approximately  6,000  square  feet  located  at  409 
Illinois  Street,  San  Francisco,  California.  The  sublease  on  all  this  space  expires  in  December  2016.  We  believe  our  existing  facilities  are 
adequate for our current needs and that additional space will be available in the future on commercially reasonable terms as needed. 

Item 3. Legal Proceedings 

We  are  not  a  party  to  any  legal  proceedings  and  we  are  not  aware  of  any  claims  or  actions  pending  or  threatened  against  us.  In  the 

future, we might from time to time become involved in litigation relating to claims arising from our ordinary course of business. 

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 for Common Stock 

Our common stock is traded under the symbol “ASMB” and is quoted on the NASDAQ Capital Market. The following table sets forth 
the high and low sales prices for shares of our common stock, as reported by NASDAQ for the periods indicated (after giving effect to the 1-
for-5 reverse stock split effected on July 11, 2014). 

26 

  
 
  
 
  
 
  
 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
First quarter 
Second quarter 
Third quarter 
Fourth quarter 

2014 

2013 

High 

Low 

High 

Low 

   $ 
   $ 
   $ 
   $ 

23.45   
8.30   
9.68   
9.47   

   $ 
   $ 
   $ 
   $ 

6.10   
4.25   
6.40   
6.51   

   $ 
   $ 
   $ 
   $ 

19.60   
15.45   
18.75   
19.35   

   $ 
   $ 
   $ 
   $ 

10.60   
9.55   
10.50   
12.35   

On March 11, 2015, the closing price for the common stock as reported on the NASDAQ Capital Market was $14.18. 

Holders of Record 

As of February 28, 2015, there were 123 stockholders of record, which excludes stockholders whose shares were held in nominee or 

street name by brokers. 

Dividends 

We currently do not plan to declare dividends on shares of our common stock in the foreseeable future. We expect to retain our future 

earnings, if any, for use in the operation and expansion of our business. 

Equity Compensation Plans 

The information required by Item 5 of Form 10-K regarding equity compensation plans is incorporated herein by reference to “Item 12. 

Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters” in this report. 

Item 6. Selected Financial Data 

The  following  selected  consolidated  financial  data  should  be  read  in  conjunction  with  “Management’s  Discussion  and  Analysis  of 

Financial Condition and Results of Operations” and the financial statements and the notes thereto included elsewhere in this report. 

(In thousands) 
Balance Sheet Data: 
Total assets 
Deferred financing costs, net 
Total stockholders’ equity 

   $ 

Statement of Operations Data:       
Operating expenses 
   $ 
Loss from operations 
Interest income 
Interest expense 
Net loss 
Loss per Shares Data: 

   $ 

2014 

2013 

December 31, 
2012 

2011 

2010 

   $ 

71,225   
-   
58,571   

   $ 

27,132   
-   
24,494   

   $ 

20,556   
-   
17,810   

   $ 

37,046   
-   
34,533   

14,617   
27   
11,626   

23,956   
(23,956 ) 
167   
-   
(23,789 ) 

   $ 

   $ 

19,605   
(19,605 ) 
201   
-   
(19,404 ) 

   $ 

   $ 

24,855   
(24,855 ) 
65   
-   
(24,790 ) 

   $ 

   $ 

34,002   
(34,002 ) 
76   
(419 ) 
(34,345 ) 

   $ 

   $ 

4,766   
(4,766 ) 
6   
(10,530 ) 
(15,290 ) 

Basic and dilutive loss per 
share data 

   $ 

(3.40 ) 

   $ 

(5.00 ) 

   $ 

(9.74 ) 

   $ 

(17.86 ) 

   $ 

(123.32 ) 

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

Overview 

The  following  discussion  of  our  financial  condition  and  results  of  operations  should  be  read  in  conjunction  with  our  consolidated 

financial statements and the related notes thereto and other financial information appearing elsewhere in this Form 10-K. 

We  are  a  biopharmaceutical  company  committed  to  developing  novel  oral  therapies  for  the  cure  of  intractable  infectious  diseases, 
focusing on hepatitis B virus (HBV) and C. difficile-associated infections (CDAD). On July 11, 2014, Assembly Biosciences merged with a 
private company Assembly Pharmaceuticals, Inc., which was founded in 2012. The merger resulted in a shift in strategic focus, the addition 
of a new lead drug development program for the company, and changes in personnel. 

The  target  of  our  lead  program  is  a  clinical  cure  for  HBV,  for  which  we  are  developing  a  series  of  new  compounds,  known  as  core 
protein allosteric modulators, or CpAMs, with the potential to modulate the HBV core protein—a polyfunctional essential viral protein-—at 
multiple complementary points in the viral lifecycle.  

Our CDAD program is based on the targeted delivery of novel microbiome-based therapies in a proprietary oral formulation, applying 
our novel coating and encapsulation technology that allows for targeted delivery of complex agents to select regions of the gastrointestinal, or 
GI, tract. Using this proprietary delivery platform, we aim to deliver several types of beneficial bacteria, in novel “synthetic formats’, to the 
gastrointestinal, or GI, tract.  

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We currently have administrative offices in New York City and research facilities in San Francisco, California. Research activities for 
the HBV program  are also being conducted at Indiana University at Bloomington, under the aegis of  Adam Zlotnick, PhD, Assembly co-
founder and head of our HBV Scientific Advisory Board. 

Since inception of the parent company, we have had no revenue from product sales, and have funded our operations principally through 
debt  financings  prior  to  our  initial  public  offering  in  2010  and  through  equity  financings  since  then.  Our  operations  to  date  have  been 
primarily  limited  to  organizing  and  staffing  our  company,  licensing  our  product  candidates,  developing  clinical  trials  for  our  product 
candidates, establishing manufacturing for our product candidates, maintaining and improving our patent portfolio and raising capital. We 
have generated significant losses to date, and we expect to continue to generate losses as we continue to develop our product candidates. As 
of December 31, 2014, we had an accumulated deficit of $135,512,072. Net cash outflows after the Assembly Merger  was  approximately 
$7.5  million..  Because  we  do  not  generate  revenue  from  any  of  our  product  candidates,  our  losses  will  continue  as  we  seek  regulatory 
approval and commercialization of our product candidates. As a result, our operating losses are likely to be substantial over the next several 
years as we continue the development of our product candidates and thereafter if none is approved or successfully launched. We are unable to 
predict the extent of any future losses or when we will become profitable, if at all. 

Financial Operations Overview 

Research and Development Expense 

Research and development expenses consist primarily of costs incurred for our research activities, including our drug discovery efforts, 

target validation, lead optimization and the development of our product candidates, which include: 

· 
· 

· 
· 

employee-related expenses including salaries, benefits, and stock-based compensation expense; 
expenses  incurred  under  agreements  with  third  parties,  including  contract  research  organizations,  or  CROs,  that  conduct 
research and development, preclinical and clinical activities on our behalf and the cost of consultants; 
the cost of lab supplies and acquiring, developing, and manufacturing preclinical study materials; and 
facilities,  depreciation,  and  other  expenses,  which  include  direct  and  allocated  expenses  for  rent  and  maintenance  of 
facilities, insurance, and other operating costs. 

Research and development costs are expensed as incurred. Nonrefundable advance payments for goods or services to be received in the 
future for use in research and development activities are deferred and capitalized. The capitalized amounts are expensed as the related goods 
are delivered or the services are performed. 

We  use  our  employee  and  infrastructure  resources  across  multiple  research  and  development  programs,  and  we  allocate  internal 
employee-related  and  infrastructure  costs,  as  well  as  certain  third  party  costs,  to  each  of  our  programs  based  on  the  personnel  resources 
allocated to such program. Our research and development expenses, by major program, are outlined in the table below: 

HBV 
Microbiome 
Diltiazem 
Iferanserin 
Stock Base Compensation 

YE 2013 

YE 2014 

   $ 
   $ 
   $ 
   $ 
   $ 

-   
358,250   
14,560,539   
(585,347 ) 
695,636   

   $ 
   $ 
   $ 
   $ 
   $ 

2,536,378   
1,559,136   
3,913,887   
-   
2,707,336   

Diltiazem and iferanserin were our prior product candidates that we are no longer developing. Since the Assembly merger in July 2014, 

the HBV and microbiome programs are currently the only focus of our company. 

The successful discovery and development of our product candidates is highly uncertain. As such, at this time, we cannot reasonably 
estimate or know the nature, timing and estimated costs of the efforts that will be necessary to complete the remainder of the development of 
our product candidates. We are also unable to predict when, if ever, material net cash inflows will commence from our product candidates. 
This is due to the numerous risks and uncertainties associated with developing medicines, including the uncertainty of: 

• 

identifying a lead candidate for each of the HBV and microbiome programs; 

• 

   establishing an appropriate safety profile with IND-enabling toxicology studies; 

• 

   successful enrollment in, and completion of clinical trials; 

• 

   receipt of marketing approvals from applicable regulatory authorities; 

• 

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

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• 

   obtaining and maintaining patent and trade secret protection and regulatory exclusivity for our product candidates; 

• 

launching commercial sales of the products, if and when approved, whether alone or in collaboration with others; and 

• 

   a continued acceptable safety profile of the products following approval. 

A change in the outcome of any of these variables with respect to the development of any of our product candidates would significantly 

change the costs and timing associated with the development of that product candidate. 

Research  and  development  activities  are  central  to  our  business  model.  Product  candidates  in  later  stages  of  clinical  development 
generally have higher development costs than those in earlier stages of clinical development, primarily due to the increased size and duration 
of  later-stage  clinical  trials.  We  expect  research  and  development  costs  to  increase  significantly  for  the  foreseeable  future  as  our  product 
candidate development programs progress. However,  we do not believe that it is possible at this time to accurately project total program-
specific  expenses  through  commercialization.  There  are  numerous  factors  associated  with  the  successful  commercialization  of  any  of  our 
product candidates, including future trial design and various regulatory requirements, many of which cannot be determined with accuracy at 
this  time  based  on  our  stage  of  development.  Additionally,  future  commercial  and  regulatory  factors  beyond  our  control  will  impact  our 
clinical development programs and plans. 

General and administrative expenses 

General  and  administrative  expenses  consist  primarily  of  salaries  and  other  related  costs,  including  stock-based  compensation,  for 
personnel  in  executive,  finance,  accounting,  business  development,  legal  and  human  resources  functions.  Other  significant  costs  include 
facility costs not otherwise included in research and development expenses, legal fees relating to patent and corporate matters and fees for 
accounting and consulting services. 

We anticipate that our general and administrative expenses will increase in the future to support continued research and development 
activities, potential commercialization of our product candidates and increased costs of operating as a public company. These increases will 
likely include increased costs related to the hiring of additional personnel and fees to outside consultants, lawyers and accountants, among 
other expenses. Additionally, we anticipate increased costs associated with being a public company including expenses related to services 
associated with maintaining compliance with exchange listing and SEC requirements, insurance, and investor relations costs. 

Interest income 

Interest income consists of interest earned on our cash and cash equivalents and available-for-sale securities. 

Critical Accounting Policies and Significant Judgments and Estimates 

Our management’s discussion and analysis of our financial condition and results of operations are based on our consolidated financial 
statements,  which  we  have  prepared  in  accordance  with  accounting  principles  generally  accepted  in  the  United States.  The  preparation  of 
these consolidated 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 the financial statements, as well as the reported amounts of revenues and 
expenses during the reporting periods. On an ongoing basis, we evaluate our estimates and judgments, including those described in greater 
detail  below.  We  base  our  estimates  on  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 readily 
apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. 

While  our  significant  accounting  policies  are  described  in  more  detail  in  the  notes  to  our  consolidated  financial  statements  included 
elsewhere in this Annual Report on Form 10-K, we believe that the following accounting policies are the most critical to aid you in fully 
understanding and evaluating our financial condition and results of operations. 

Goodwill and Other Intangible Assets 

Goodwill is the excess of purchase price over the fair value of identified net assets of businesses acquired. Our intangible assets with an 
indefinite life are related to in-process research and development ("IPR&D") programs acquired in the Assembly Merger, as we expect future 
research and development on these programs to provide us with substantial benefit for a period that extends beyond the foreseeable horizon. 
Intangible  assets  with  indefinite  useful  lives  are  measured  at  their  respective  fair  values  as  of  the  acquisition  date.  We  do  not  amortize 
goodwill and intangible assets with indefinite useful lives. Intangible assets related to IPR&D projects are considered to be indefinite lived 
until the completion or abandonment of the associated R&D efforts. If and when development is complete,  which generally occurs if  and 
when regulatory approval to market a product is obtained, the associated assets would be deemed finite lived and would then be amortized 
based on their respective estimated useful lives at that point in time. 

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We  review  goodwill  and  indefinite-lived  intangible  assets  at  least  annually  for  possible  impairment.  Goodwill  and  indefinite-lived 
intangible  assets  are  reviewed  for  possible  impairment  between  annual  tests  if  an  event  occurs  or  circumstances  change  that  would  more 
likely than not reduce the fair value of the reporting unit or the indefinite-lived intangible assets below their carrying values. We test goodwill 
and indefinite-lived intangible assets each year on December 31. We review the carrying value of goodwill and indefinite-lived intangible 
assets utilizing a discounted cash flow model, and, where appropriate, a market value approach is also utilized to supplement the discounted 
cash flow model. We make assumptions regarding estimated future cash flows, discount rates, long-term growth rates and market values to 
determine each reporting unit’s estimated fair value 

Accrued research and development expenses 

As part of the process of preparing our consolidated financial statements, we are required to estimate our accrued expenses. This process 
involves reviewing quotations and contracts, identifying services that have been performed on our behalf and estimating the level of service 
performed and the associated cost incurred for the service when we have not yet been invoiced or otherwise notified of the actual cost. The 
majority  of  our  service  providers  invoice  us  monthly  in  arrears  for  services  performed  or  when  contractual  milestones  are  met.  We  make 
estimates of our accrued expenses as of each balance sheet date in our financial statements based on facts and circumstances known to us at 
that  time.  We  periodically  confirm  the  accuracy  of  our  estimates  with  the  service  providers  and  make  adjustments  if  necessary.  The 
significant  estimates  in  our  accrued  research  and  development  expenses  include  fees  paid  to  CROs  in  connection  with  research  and 
development activities for which we have not yet been invoiced. 

We base our expenses related to CROs on our estimates of the services received and efforts expended pursuant to quotes and contracts 
with CROs that conduct research and development on our behalf. The financial terms of these agreements are subject to negotiation, vary 
from  contract  to  contract  and  may  result  in  uneven  payment  flows.  There  may  be  instances  in  which  payments  made  to  our  vendors  will 
exceed  the  level  of  services  provided  and  result  in  a  prepayment  of  the  research  and  development  expense.  In  accruing  service  fees,  we 
estimate the time period over which services will be performed and the level of effort to be expended in each period. If the actual timing of 
the performance of services or the level of effort varies from our estimate, we adjust the accrual or prepaid accordingly. 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 could result in us reporting amounts that are too high 
or too low in any particular period. 

Use of Estimates 

The preparation of financial statements in conformity  with U.S. GAAP requires our management to make estimates  and assumptions 
that affect the reported amounts of assets and liabilities and the disclosure of contingent liabilities at the date of the financial statements as 
well as the reported revenue, if any, and expenses during the reporting periods. On an ongoing basis, management evaluates their estimates 
and judgments. Management bases estimates on historical experience and on various other factors that they 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 readily 
apparent  from  other  sources.  Actual  results  might  differ  from  these  estimates  under  different  assumptions  or  conditions.  The  Company’s 
significant estimates and assumptions include the initial fair value, recoverability and useful lives of intangible assets, including goodwill and 
the grant date fair value of stock-based compensation.  

Stock-Based Compensation 

We apply the fair value recognition provisions of Financial Accounting Standards Board Accounting Standards Codification Topic 718, 
Compensation-Stock  Compensation,  which  we  refer  to  as  ASC  718,  to  account  for  stock-based  compensation.  We  recognize  stock-based 
compensation expense related to stock options granted to employees and directors for their services on the Board of Directors based on the 
estimated fair value of each stock option on the date of grant, net of estimated forfeitures, using the Black-Scholes option-pricing model. The 
grant date fair value of awards subject to service-based vesting, net of estimated forfeitures, is recognized on a straight-line basis over the 
requisite  service  period,  which  is  generally  the  vesting  period  of  the  respective  awards.  In  accordance  with  the  ASC  718,  stock  options 
subject to both performance- and service-based vesting conditions are recognized using an accelerated recognition model if achievement of 
the performance requirements is considered to be probable. 

We account for stock options granted to non-employees, which primarily consist of consultants and members of our scientific advisory 
board, using the fair value method. Stock options granted to non-employees are subject to periodic revaluation over their vesting terms and 
stock-based compensation expense is recognized using an accelerated recognition model. 

We use the Black-Scholes option pricing model to estimate the fair value of stock option awards using various assumptions that require 

management to apply judgment and make estimates, including: 

• 

the expected term of the stock option award, which we calculate using the simplified method, as prescribed by the Securities 
and  Exchange  Commission  Staff  Accounting  Bulletin  No.  107,  Share-Based  Payment,  as  we  have  insufficient  historical 
information regarding our stock options to provide a basis for an estimate; 

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• 

• 

• 

the  expected  volatility  of  the  underlying  common  stock,  which  we  estimate  based  on  the  historical  volatility  of  a 
representative  group  of  publicly  traded  biopharmaceutical  companies  with  similar  characteristics  to  us,  including 
development candidates in earlier stages of drug development and areas of therapeutic focus; 

the risk-free interest rate, which we based on the yield curve of U.S. Treasury securities with periods commensurate with the 
expected term of the options being valued; 

the expected dividend yield, which we estimate to be zero based on the fact that we have never paid cash dividends and have 
no present intention to pay cash dividends; and 

• 

the fair value of our common stock on the date of grant. 

If  factors change  and different assumptions are used, our stock-based compensation expense could be materially  different in the 

future. 

In addition to the assumptions used in our Black-Scholes option-pricing model, the amount of stock option expense we recognize in our 
consolidated statements of operations includes an estimate of stock option forfeitures. Under ASC 718, we are required to estimate the level 
of forfeitures expected to occur and record compensation expense only for those awards that we ultimately expect will vest. Due to the lack 
of historical forfeiture activity, we expect to estimate our forfeiture rate based on data from our representative group of companies. Changes 
in the estimated forfeiture rate can have a significant impact on our stock-based compensation expense as the cumulative effect of adjusting 
the rate is recognized in the period the forfeiture estimate is changed. For example, if a revised forfeiture rate is higher than the previously 
estimated  forfeiture  rate,  an  adjustment  is  made  that  will  result  in  a  decrease  to  the  stock-based  compensation  expense  recognized  in  the 
consolidated financial statements. If a revised forfeiture rate is lower than the previously estimated forfeiture rate, an adjustment is made that 
will  result  in  an  increase  to  the  stock-based  compensation  expense  recognized  in  our  consolidated  financial  statements.  To  date  our 
forfeitures have not been material. 

Off-Balance Sheet Arrangements 

Since our inception, we have not engaged in any off-balance sheet arrangements, including the use of structured finance, special purpose 

entities or variable interest entities. 

Contractual Obligations 

The following table summarizes our future contractual obligations and commercial commitments at December 31, 2014. 

Indiana University 
Regus (office lease) 
Total contractual obligations 

Less than 1 
year 

   $ 
   $ 
   $ 

169,136   
67,200   
236,336   

1-2 years    
-   
-   
-   

   $ 
   $ 
   $ 

Milestone and royalty payments associated with certain agreements have not been included in the above table of contractual obligations 
as we cannot reasonably estimate if or when they will occur. At this time, no milestone payments, other than the milestone payments included 
in the table of contractual obligations, are probable of occurrence. 

Results of Operations 

General 

To  date,  we  have  not  generated  any  revenues  from  operations  and,  at  December  31,  2014,  we  had  an  accumulated  deficit  of 
approximately $136 million primarily as a result of research and development expenses, purchases of in-process research and development 
and  general  and  administrative  expenses.  While  we  may  in  the  future  generate  revenue  from  a  variety  of  sources,  including  license  fees, 
milestone  payments,  research  and  development  payments  in  connection  with  strategic  partnerships  and/or  product  sales,  our  product 
candidates  are  at  an  early  stage  of  development  and  may  never  be  successfully  developed  or  commercialized.  Accordingly,  we  expect  to 
continue  to  incur  substantial  losses  from  operations  for  the  foreseeable  future  and  there  can  be  no  assurance  that  we  will  ever  generate 
significant revenues. 

31 

  
 
  
 
  
 
  
 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
Comparison of the Years Ended December 31, 2014 and December 31, 2013 

Research and Development Expense 

Research  and  development  expense  was  $10,716,737  for  the  year  ended  December  2014,  a  decrease  of  $4,312,341  or  28.7%  from 
$15,029,078 for the same period in 2013. The reason for the net decrease in research and development expenses is due to the winding down 
of  our  Diltiazem  program  which  resulted  in  a  $9,987,000  reduction  of  costs  in  2014,  offset  by  increases  in  expenses  related  to  the 
Microbiome  program  of  approximately  $1,560,000,  increases  in  expenses  related  to  the  HBV  program  of  approximately  $2,536,000  and 
additional stock-based compensation of $2,020,000 due to new options granted to all employees. 

General and Administrative Expense 

General  and  administrative  expense  was  $13,239,715  for  the  year  ended  December  2014,  an  increase  of  $8,664,014  or  189.3%  from 
$4,575,701  for  the  same  period  in  2013.  The  primary  reason  was  an  increase  of  stock-based  compensation  expense  of  approximately 
$6,913,000 due to new stock options granted to employees and consultants, warrant expenses of  $680,000, merger  expenses of $471,000, 
accounting fees $78,000, sign on bonus and senior management bonuses of $559,000, D & O insurance of $55,000; offset by a decrease of 
$91,000 for consulting. 

Interest Expense and Income 

There was no interest expense in 2014 or 2013. Interest income was $167,653 for the year ended 2014 compared to $201,020 for the same 

period in 2013. 

Liquidity and Capital Resources 

As  a  result  of  our  significant  research  and  development  expenditures  and  the  lack  of  any  FDA-approved  products  to  generate  product 
sales revenue, we have not been profitable and have generated operating losses since we were incorporated in October 2005. We have funded 
our  operations  through  December  31,  2014  principally  with  debt  prior  to  our  initial  public  offering,  and  thereafter  with  equity  financing, 
raising an aggregate of $111.5 million in net proceeds from public offerings and private placements from inception to December 31, 2014. 

In  January  2014,  we  sold  an  aggregate  of  92,472  shares  of  common  stock  under  the  amended  at-the-market  common  equity  sales 

program, resulting in net proceeds of approximately $1,763,000. 

On October 6, 2014, we sold to various institutional investors an aggregate of 1,959,000 shares of common stock in a registered direct 
offering. The purchase price paid by the investors was $8.04 per share and an aggregate of approximately $14,963,000 in net proceeds were 
received. In connection with the offering, the Company entered into a placement agent agreement with William Blair & Company, L.L.C., 
who acted as sole placement agent in the offering, and pursuant to which the Company paid a placement agent fee equal to 5.0% of the gross 
proceeds of the offering. 

Cash Flows for the Three Years Ended December 31, 2014 and 2013  

(In thousands) 
Statement of Cash Flows Data: 
Total cash (used in)/provided by: 
Operating activities 
Investing activities 
Financing activities 

For the Year Ended December 31, 

2014 

2013 

   $ 

$ 

(14,974 ) 
277   
16,726   

(17,796 ) 
(6 ) 
24,375   

Net increase in cash and cash equivalents 

   $ 

2,029   

$ 

6,573   

Net Cash Used in Operating Activities 

Net cash used in operating activities was $14,973,502 for the year ended December 31, 2014 and funded our research and development 
program build out and general and administrative expenses. The net loss of $23,788,799 for the year ended December 31, 2014 was greater 
than cash used in operating activities by $8,815,297. The primary reason for the difference is attributed to a stock-based compensation charge 
of $10,637,494. 

Net Cash Provided by Investing Activities 

Net cash provided by investing activities was $277,401 for the year ended December 31, 2014. 

Net Cash Provided by Financing Activities 

Net  cash  provided  by  financing  activities  was  $16,725,946  for  the  year  ended  December  31,  2014.  Net  cash  provided  by  financing 

activities during the year ended December 31, 2014 consisted of the sale of 2,051,472 shares of common stock for proceeds of $16,725,946. 

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Funding Requirements 

We expect our expenses to increase in connection with our ongoing activities, particularly as we continue the research, development and 
clinical trials of our product candidates. Furthermore, we expect to continue to incur additional costs associated with operating as a public 
company. Accordingly, we will need to obtain substantial additional funding in connection with our continuing operations. If we are unable 
to raise capital when needed or on attractive terms, we would be forced to delay, reduce or eliminate our research and development programs 
or future commercialization efforts. 

We  monitor  our  cash  needs  and the  status  of  the  capital  markets  on  a  continuous  basis.  From  time  to  time,  we  opportunistically  raise 
capital and have done so numerous times since our initial public offering by issuing equity securities, most recently in October 2014. We 
expect to continue to raise capital when and as needed and at the time and in the manner most advantageous to the company. 

We expect that our existing cash, cash equivalents and marketable securities, will enable us to fund our operating expenses and capital 

expenditure requirements until at least the second quarter of 2016. Our future capital requirements will depend on many factors, including: 

• 

• 

• 

• 

the scope, progress, results and costs of drug discovery, preclinical development, laboratory testing and future clinical trials for 
our product candidates; 

the extent to which we acquire or in-license other medicines and technologies; 

the costs, timing and outcome of regulatory review of our product candidates; 

the costs of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and 
defending intellectual property-related claims; and 

• 

   our ability to establish collaborations on favorable terms, if at all. 

Identifying  potential  product  candidates  and  conducting  preclinical  testing  and  clinical  trials  is  a  time-consuming,  expensive  and 
uncertain process that takes years to complete, and we may never generate the necessary data or results required to obtain marketing approval 
and achieve product sales. In addition, our product candidates, if approved, may not achieve commercial success. Our commercial revenues, 
if any, will be derived from sales of medicines that we do not expect to be commercially available for many years, 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. 

Until such time, if ever, as we can generate substantial product revenues, we expect to finance our cash needs through a combination of 
equity  offerings,  debt  financings,  collaborations,  strategic  alliances  and  licensing  arrangements.  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, the ownership interest 
of our stockholders will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect the 
rights of our common stockholders. 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. 

If  we  raise  funds  through  additional  collaborations,  strategic  alliances  or  licensing  arrangements  with  third  parties,  we  may  have  to 
relinquish valuable rights to our technologies, future revenue streams, research programs or product candidates or to 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  future  commercialization  efforts  or  grant  rights  to  develop  and  market 
product candidates that we would otherwise prefer to develop and market ourselves. 

Recent Accounting Pronouncements 

In  May  2014,  the  Financial  Accounting  Standards  Board  (“FASB”)  issued  Accounting  Standards  Update  (“ASU”)  2014-09,  Revenue 
from Contracts with Customers (Topic 606). The ASU provides for a single comprehensive model for use in accounting for revenue arising 
from contracts with customers and supersedes most current revenue recognition guidance. The accounting standard is effective for interim 
and annual periods beginning after December 15, 2016 with no early adoption permitted. We are currently in the process of evaluating the 
impact of the guidance on our financial position, results of operation, and cash flows. 

In  June  2014,  the  FASB  issued  ASU  2014-10,    Development  Stage  Entities  (Topic  915):  Elimination  of  Certain  Financial  Reporting 
Requirements, Including an Amendment to Variable Interest Entities Guidance in Topic 810, Consolidation. The amendments in this update 
remove the definition of a development stage entity from the Master Glossary of the Accounting Standards Codification, thereby removing 
the financial reporting distinction between development stage entities and other reporting entities from GAAP. In addition, the amendments 
eliminate the requirements for development stage entities to (1) present inception-to-date information in the statements of income, cash flows 
and shareholder equity, (2) label the financial statements as those of a development stage entity, (3) disclose a description of the development 
stage activities in which the entity is engaged, and (4) disclose in the first year in which the entity is no longer a development stage entity that 
in  prior  years  it  had  been  in  the  development  stage.  A  public  entity  is  required  to  apply  the  amendments  for  annual  reporting  periods 
beginning after December 15, 2014, and interim periods therein. An entity should apply the amendments retrospectively for all comparative 
periods presented. Early adoption is permitted. We adopted this guidance in the second quarter of 2014. Adoption of this standard did not 
have a material impact on our financial position, statement of operations, or statement of cash flows. 

33 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
In June 2014, the FASB issued ASU 2014-12, Compensation-Stock Compensation (Topic 718). The ASU clarifies how entities should 
treat performance targets that can be achieved after the requisite service period of a share-based payment award. The accounting standard is 
effective for interim and annual periods beginning after December 15, 2015. We are currently in the process of evaluating the impact of the 
guidance on our financial position, results of operation, and cash flows. 

 The  FASB  has  issued  ASU  2014-15,  Presentation  of  Financial  Statements-Going  Concern  (Subtopic  205-40):  Disclosure  of 
Uncertainties about an Entity’s Ability to Continue as a Going Concern. The guidance, which is effective for annual reporting periods ending 
after  December  15,  2016,  with  early  adoption  permitted,  extends  the  responsibility  for  performing  the  going-concern  assessment  to 
management and contains guidance on how to perform a going-concern assessment and when going-concern disclosures would be required 
under GAAP. We are currently evaluating the impact of this ASU on our consolidated financial statements. 

Cautionary Statement 

We operate in a highly competitive environment that involves a number of risks, some of which are beyond our control. The following 

statement highlights some of these risks. For more detail, see “Item 1A. Risk Factors”. 

Statements contained in this Form 10-K that are not historical facts, are or  might constitute forward-looking statements under the safe 
harbor provisions of the Private Securities Litigation Reform Act of 1995. Although we believe the expectations reflected in such forward-
looking statements are based on reasonable assumptions, our expectations might not be attained. Forward-looking statements involve known 
and unknown risks that could cause actual results to differ materially from expected results. Factors that could cause actual results to differ 
materially  from  our  expectations  expressed  in  the  report  include,  among  others:  risks  related  to  the  costs,  timing,  regulatory  review  and 
results of our studies and clinical trials; our ability to obtain FDA approval of our product candidates; our anticipated capital expenditures, 
our  estimates  regarding  our  capital  requirements,  and  our  need  for  future  capital;  our  liquidity  and  working  capital  requirements;  our 
expectations regarding our revenues, expenses and other results of operations; the unpredictability of the size of the markets for, and market 
acceptance of, any of our products; our ability to sell any approved products and the price we are able realize; our ability to obtain future 
funding  on  acceptable  terms;  our  ability  to  retain  and  hire  necessary  employees  and  to  staff  our  operations  appropriately;  our  ability  to 
compete  in  our  industry  and  innovation  by  our  competitors;  our  ability  to  stay  abreast  of  and  comply  with  new  or  modified  laws  and 
regulations that currently apply or become applicable to our business; estimates and estimate methodologies used in preparing our financial 
statements; the future trading prices of our common stock and the impact of securities analysts’ reports on these prices; and the risks set out 
in our filings with the SEC. 

Item 7A. Quantitative and Qualitative Disclosures about Market Risk 

Our primary exposure to market risk is interest income sensitivity, which is affected by changes in the general level of U.S. interest rates. 

We do not believe that our cash and equivalents have significant risk of default or illiquidity. Under our current investment policies, we 
invest our cash and cash equivalents in money market funds which invest in short-term U.S. Treasury securities with insignificant rates of 
return. While we believe our cash and equivalents do not contain excessive risk, we cannot provide absolute assurance that in the future our 
investments will not be subject to adverse changes in market value. In addition, we maintain significant amounts of cash and equivalents at 
one or more financial institutions that are in excess of federally insured limits. 

Inflation generally affects us by increasing our cost of labor and clinical trial costs. We do not believe that inflation has had a material 

effect on our results of operations during 2014 or 2013. 

Our purchases of raw materials and finished goods are denominated in U.S. dollars. Consequently, we have not considered it necessary to 
use foreign currency contracts or other derivative instruments to manage changes in currency rates. We do not now, nor do we plan to, use 
derivative financial instruments for speculative or trading purposes. However, these circumstances might change. 

Item 8. Financial Statements and Supplementary Data 

The financial statements required to be filed pursuant to this Item 8 are appended to this report. An index of those financial statements is 

found on page F-1. 

Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure 

Not applicable. 

34 

  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
Item 9A. Controls and Procedures 

Evaluation of Disclosure Controls and Procedures 

We  maintain a system of disclosure controls and procedures, as defined in Exchange Act Rule 13a-15(e),which is designed to provide 
reasonable assurance that information, which is required to be disclosed in our reports filed pursuant to the Securities and Exchange Act of 
1934,  as  amended  (the  “Exchange  Act”),  is  accumulated  and  communicated  to  management  in  a  timely  manner.  At  the  end of  the period 
covered by this report, we carried out an evaluation, under the supervision and with the participation of our management, including our Chief 
Executive Officer and our Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures 
pursuant to Exchange Act Rule 13a-15(b). Based upon that evaluation, our Chief Executive Officer and Chief Financial Officer concluded 
that our disclosure controls and procedures as of the end of the period covered by this report were effective. 

Management’s Report on Internal Control over Financial Reporting 

Our  management  is  responsible  for  establishing  and  maintaining  adequate  internal  control  over  financial  reporting,  as  such  term  is 
defined  in  Exchange  Act  Rule  13a-15(f).  Our  internal  control  over  financial  reporting  is  designed  to  provide  reasonable  assurance  to  our 
management and board of directors regarding the preparation and fair presentation of published financial statements. A control system, no 
matter how  well designed and operated, can only provide reasonable, not absolute, assurance that the objectives of the control system are 
met. Because of these inherent limitations, management does not expect that our internal controls over financial reporting will prevent all 
error and all fraud. Under the supervision and with the participation of our management, including our Chief Executive Officer and our Chief 
Financial Officer, we conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in 
Internal Control-Integrated Framework issued in 2013 by the Committee of Sponsoring Organizations of the Treadway Commission. Based 
on our evaluation under the framework in Internal Control-Integrated Framework, our management concluded that our internal control over 
financial reporting was effective as of December 31, 2014. 

This annual report does not include an attestation report of our independent registered public accounting firm regarding internal control 
over financial reporting. Management’s report was not subject to attestation by our independent registered public accounting firm pursuant to 
rules of the SEC that permit us to provide only management’s report in this annual report. 

Changes in Internal Control over Financial Reporting 

There were no significant changes in our internal control over financial reporting or in other factors that have materially affected, or are 

reasonably likely to materially affect, our internal control over financial reporting. 

Item 9B. Other Information 

Not applicable. 

PART III 

Item 10. Directors, Executive Officers and Corporate Governance 

Our current directors and their respective biographical summaries are as follows. 

Anthony Altig 

59 

  Mr. Altig joined our Board in January 2012. Since 2008, Mr. Altig has been the Chief Financial 
Officer of Biotix Holdings, Inc., a company that manufactures microbiological consumables. From 
2004  to  2007,  Mr.  Altig  served  as  the  Chief  Financial  Officer  of  Diversa  Corporation 
(subsequently  Verenium  Corporation),  a  public  company  developing  specialized  industrial 
enzymes.  Prior  to  joining  Diversa,  Mr.  Altig  served  as  the  Chief  Financial  Officer  of  Maxim 
Pharmaceuticals,  Inc.,  a  public  biopharmaceutical  company.  In  addition,  Mr.  Altig  serves  as  a 
director and chairman of the audit committee for TearLab Corporation (formerly OccuLogix, Inc.), 
a  publicly  traded  eyecare  technology  company,  and  served  as  a  director  of  Optimer 
Pharmaceuticals,  Inc.,  a  pharmaceutical  company,  which  was  a  public  company  until  its 
acquisition  by  Cubist  Pharmaceuticals,  Inc.  in  October  2013.  Among  other  experience, 
qualifications,  attributes  and  skills,  Mr.  Altig’s  extensive  management  experience  and  financial 
expertise,  as  well  as  his  experience  serving  on  the  boards  of  directors  of  several  public 
pharmaceutical and healthcare companies, led to the conclusion of our Board that he should serve 
as a director of our company in light of our business and structure. 

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Mark Auerbach 

76 

Richard DiMarchi 

62 

Russell H. Ellison, 
M.D., M.Sc. 

67 

   Mr.  Auerbach  was  elected  to  our  Board  in  November  2010.  Mr.  Auerbach  is  the  non  executive 
chairman  of  the  audit  committee  of  RCS  Capital  Corporation  (NYSE:  RCAP),  a  publicly  traded 
financial  services  company.  Mr.  Auerbach  previously  served  as  a  director  and  chairman  of  the 
audit  committee  of  Optimer  Pharmaceuticals,  Inc.,  a  public  company,  from  2005  until  its 
acquisition by Cubist Pharmaceuticals, Inc. in October 2013. From January 2006 through March 
2010,  Mr.  Auerbach  served  as  the  chairman  of  the  board  of  directors  for  Neuro-Hitech,  Inc.,  an 
early-stage pharmaceutical company specializing in brain degenerative diseases. Over the last 20 
years,  Mr.  Auerbach  also  has  served  as  a  director  for  several  other  companies,  including  Par 
Pharmaceutical  Companies,  Inc.,  a  publicly  traded  manufacturer  and  marketer  of  generic 
pharmaceuticals  and  the  parent  of  Par  Pharmaceutical,  Inc.,  Collexis  Holdings,  Inc.,  a  public 
company which develops knowledge management and discovery software, and RxElite Holdings, 
Inc., a company which develops, manufactures, and markets generic prescription drug products in 
specialty generic  markets. From  1993 to 2005, Mr. Auerbach served as chief  financial officer of 
Central Lewmar LLC, a national fine paper distributor. Mr. Auerbach received his B.S. degree in 
accounting  from  Rider  University.  Among  other  experience,  qualifications,  attributes  and  skills, 
Mr.  Auerbach’s  extensive  financial  experience,  his  accounting  degree  and  his  experience  as  a 
director of several public companies, including his service as the chair of the audit committee of 
one of those public companies, led to the conclusion of our Board that he should serve as a director 
of our company in light of our business and structure. 

Dr.  DiMarchi  became  a  director  upon  the  closing  of  the  Assembly  acquisition  in  July  2014.  Dr. 
DiMarchi is a co-founder of Assembly Pharmaceuticals and has served on its board since inception 
in 2012. Dr. DiMarchi currently holds the Cox Distinguished Professor of Biochemistry and Gill 
Chair in Biomolecular Sciences at Indiana University. Dr. DiMarchi was a co-founder and board 
member  of  biotechnology  companies  Ambrx  and  Marcadia,  current  founder  of  Assembly  and 
Calibrium  Biotech,  and  advisor  to  venture  firms  5AM,  Twilight  Ventures,  and  others.  Dr. 
DiMarchi retired as Group Vice President at Eli Lilly & Company, where he provided leadership 
for  more  than  two  decades  in  biotechnology,  endocrine  research,  and  product  development.  Dr. 
DiMarchi  previously  served  as  a  board  member  of  the  biotechnology  trade  group  BIO,  Isis  and 
Millennium BioTherapeutics. His current research is focused on developing macromolecules with 
enhanced  therapeutic  properties  through  biochemical  and  chemical  optimization,  an  approach  he 
has  termed  chemical-biotechnology.  Dr.  DiMarchi  contributed  significantly  to  the  discovery  of 
Humalog® and to the commercial development of Humulin®, Humatrope®, Glucagon®, Xigris®, 
Forteo®, and Evista®. Dr. DiMarchi is the recipient of numerous prestigious awards and in 2014 
was  inducted  to  the  National  Inventors  Hall  of  Fame.  Dr.  DiMarchi  received  his  PhD  in 
Biochemistry  from Indiana University, and completed his postdoctoral studies at the Rockefeller 
University. Among other experience, qualifications, attributes and skills, Dr. DiMarchi’s medical 
training, extensive experience in the pharmaceutical industry, as well as his experience serving on 
the  board  of  directors  of  several  private  pharmaceutical  companies,  led  to  the  conclusion  of  our 
Board that he should serve as a director of our company in light of our business and structure. 

Dr. Ellison joined our company as a director, Chief Executive Officer and Chief Medical Officer in 
June  2010,  and  served  as  our  Chief  Medical  Officer  until  July  2014  and  our  Chief  Executive 
Officer  until  February  2015.  He  was  elected  Chairman  of  our  Board  in  January  2011,  which 
position  he  held  until  February  2015.  From  July  2007  to  January  2010,  Dr.  Ellison  served  as 
Executive  Vice  President  of  Paramount  Biosciences  LLC,  a  global  pharmaceutical  development 
and  healthcare  investment  firm.  Prior  to  that,  Dr.  Ellison  served  as  Vice  President  of  Clinical 
Development  of  Fibrogen,  Inc.,  a  privately  held  biotechnology  company,  Vice  President  of 
Medical  Affairs  and  Chief  Medical  Officer  of  Sanofi-Synthelabo,  USA,  a  pharmaceutical 
company, and Vice President, Medical Affairs and Chief Medical Officer of Hoffman-La Roche, 
Inc.,  a  pharmaceutical  company.  Dr.  Ellison  previously  served  as  a  director  of  Cougar 
Biotechnology,  Inc.,  a  publicly  traded  pharmaceutical  company  that  was  acquired  by  Johnson  & 
Johnson in July 2009, and CorMedix, Inc., a pharmaceutical company that went public in March 
2010. He also has served as a director of several privately held development-stage biotechnology 
companies. Dr. Ellison holds an M.D. from the University of British Columbia and an M.Sc. (with 
distinction) from The London School of Tropical Medicine and Hygiene. Among other experience, 
qualifications,  attributes  and  skills,  Dr.  Ellison’s  medical  training,  extensive  management 
experience  in  the  pharmaceutical  industry  and  experience  in  the  capital  markets,  as  well  as  his 
experience serving on the board of directors of a public pharmaceutical company and on the boards 
of directors of several private pharmaceutical companies, led to the conclusion of our Board that 
he should serve as a director of our company in light of our business and structure. 

36 

  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
Myron Z. Holubiak 

68 

William Ringo 

68 

   Mr. Holubiak joined our Board in July 2010. Mr. Holubiak currently serves as President of 1-800-
DOCTORS, Inc., a position he has held since May 2007. Mr. Holubiak is the former President of 
Roche  Laboratories,  Inc.,  USA,  a  major  research-based  pharmaceutical  company,  a  position  he 
held  from  December  1998  to  August  2001.  Prior  to  that,  he  held  many  sales  and  marketing 
positions  at  Roche  Laboratories  during  his  19-year  tenure  there.  Since  September  2002,  Mr. 
Holubiak has served on the board of directors of BioScrip, Inc., a publicly traded company and a 
leading  home  infusion  provider  with  nationwide  pharmacy  and  nursing  capabilities,  and  is 
currently chairman of the board. Since October 2012, Mr. Holubiak also has been a member of the 
board  of  directors  of  Intellicell  Biosciences,  Inc.,  a  publicly  traded  regenerative  medicine 
company.  Mr.  Holubiak  is  a  founder  and  director  as  well  as  the  chief  executive  officer  of 
Leonard+Meron Biosciences, Inc., a privately held pharmaceutical company. Mr. Holubiak is also 
a trustee of the Academy of Managed Care Pharmacy Foundation. Mr. Holubiak received his B.S. 
in Molecular Biology and Biophysics from the University of Pittsburgh. Among other experience, 
qualifications, attributes and skills, Mr. Holubiak’s extensive experience managing pharmaceutical 
and healthcare companies led to the conclusion of our Board that he should serve as a director of 
our company in light of our business and structure. 

   Mr.  Ringo  became  a  director  upon  the  closing  of  the  Assembly  acquisition  in  July  2014,  and 
became non-executive Chairman of the Board in February 2015. Since July 2010, Mr. Ringo has 
been  a  senior  advisor  with  Barclays  Capital,  the  global  investment  banking  division  of  Barclays 
Bank  PLC.  Since  July  2010,  Mr.  Ringo  has  also  served  as  a  strategic  advisor  with  Sofinnova 
Ventures, a life sciences-focused investment firm. Prior to his advisory roles with Barclays Capital 
and  Sofinnova  Ventures,  Mr.  Ringo  served  as  senior  Vice  President  of  Strategy  and  Business 
Development for Pfizer Inc., a biopharmaceutical company, from April 2008 until his retirement in 
April  2010.  From  2004  to  2006,  Mr.  Ringo  served  as  President  and  Chief  Executive  Officer  of 
Abgenix,  Inc.,  a  private  biotechnology  company  acquired  by  Amgen.  Mr.  Ringo  served  on  the 
Onyx  Pharmaceuticals,  Inc.  board  of  directors  from  Feburary  2011  until  the  October  2013 
acquisition  by  Amgen.  From  2001  to  2007,  he  served  on  various  boards  of  directors,  including 
Encysive  Pharmaceuticals,  Inc.,  Inspire Pharmaceuticals,  Inc.  and  InterMune,  Inc.  where  he  was 
the  non-executive  chairman  of  the  board  of  directors  after  serving  as  interim  Chief  Executive 
Officer from June to September 2003. From 1994 to 2002, he served as a director and chairman of 
the board for Community Health Systems, Inc. His experience in the global pharmaceutical sector 
also includes nearly 30 years with Eli Lilly and Company. Over the course of his career with Lilly, 
Mr.  Ringo  served  in  numerous  executive  roles,  including  Product  Group  President  for  oncology 
and  critical  care,  President  of  internal  medicine  products,  President  of  the  infectious  diseases 
business unit, and Vice President of sales and marketing for U.S. pharmaceuticals. He also was a 
member  of  Lilly's  operating  committee.  Mr.  Ringo  is  a  director  and  chairman  of  the  board  of 
Sangamo  BioSciences,  Inc., Mirati  Therapeutics,  Immune  Design,  and  is  an  advisor  to  Ascendis 
Pharma A/S. He also serves on the board of directors of BioCrossroads, an Indiana initiative and 
public-private collaboration that focuses on growing, advancing, and investing in the life sciences. 
Mr.  Ringo  received  his  B.S.  in  business  administration  and  his  M.B.A.  from  the  University  of 
Dayton.  Among  other  experience,  qualifications,  attributes  and  skills,  Mr.  Ringo’s  extensive 
management  experience  in  the  pharmaceutical  industry  and  experience  in  the  capital  markets,  as 
well as his experience serving on the board of directors of a public pharmaceutical company and 
on  the  boards  of  directors  of  several  private  pharmaceutical  companies,  led  to  the  conclusion  of 
our Board that he should serve as a director of our company in light of our business and structure. 

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Derek A. Small 

39 

   Mr. Small became a director and our President and Chief Operating Officer upon the closing of the 
Assembly  acquisition  in  July  2014,  and  became  Chief  Executive  Officer  in  February  2015.  Mr. 
Small is a co-founder of Assembly Pharmaceuticals, and has served as Executive Chairman of the 
company  since  inception  in  2012.  From  March  2008  to  January  2014,  Mr.  Small  served  as  a 
founding  director,  President,  and  Chief  Executive  Officer  of  Naurex,  Inc.,  a  privately  held 
biotechnology  company.  From  January  2009  to  April  2012,  Mr.  Small  also  served  as  founding 
director, President,  and  Chief  Executive  Officer  to  Coferon,  Inc.,  a  privately  held  biotechnology 
company. Each of these companies was founded as portfolio companies of Luson Bioventures, a 
biotechnology  and biopharmaceutical venture creation firm that  Mr. Small  founded in 2007. Mr. 
Small continues to serve on the Board of Directors of Naurex, Inc. Mr. Small received his BS in 
Business from Franklin College, including participation in the Harlaxton College affiliate program 
in  England.  Among  other  experience,  qualifications,  attributes  and  skills,  Mr.  Small’s  extensive 
management  experience  in  the pharmaceutical  industry,  as  well  as  his  experience  serving  on  the 
board of directors of several private pharmaceutical companies, led to the conclusion of our Board 
that he should serve as a director of our company in light of our business and structure. 

Audit Committee 

Our Board has established an Audit Committee of  which directors Mark  Auerbach (Chairman), Anthony  Altig and William Ringo are 
members. The Board has determined that each of Mr. Altig, Mr. Auerbach and Mr. Ringo qualifies as an “audit committee financial expert” 
as that term is defined in Item 407(d) of Regulation S-K promulgated by the SEC. 

Section 16(a) Beneficial Ownership Reporting Compliance 

Pursuant to Section 16(a) of the Securities Exchange Act, our directors and executive officers are required to file reports with the SEC 
indicating their holdings of and transactions in our equity securities. To our knowledge, based  solely on our review of the  copies  of such 
reports furnished to us and written representations that our officers, directors and holders of more than 10% of our common stock complied 
with all applicable filing requirements during the fiscal year ended December 31, 2014, with the exception of (i) a late filing made by Adam 
Zlotnick who filed a late Form 3 on September 9, 2014 reporting a 10% or greater ownership interest arising on July 11, 2014, (ii) a late 
filing made by Adam Zlotnick who filed a late Form 4 on September 9, 2014 reporting the grant of a stock option on July 10, 2014, (iii) a late 
filing made by Russell Ellison who filed a late Form 4 on March 12, 2014 reporting the grant of stock options on January 15, 2014, and (iv) a 
late filing made by David Barrett who filed a late Form 4 on March 12, 2014 reporting the grant of certain stock options on January 15, 2014. 

Code of Ethics 

Our  Board  has  adopted  a  Code  of  Ethics  for  our  principal  executive  officer  and  all  senior  financial  officers  and  a  Code  of  Conduct 
applicable to all of our employees and our directors. Both Codes are available under the Investor Relations-Corporate Governance section of 
our website at www.assemblybio.com. 

Item 11. Executive Compensation 

Director Compensation 

The following table shows the compensation earned by each of our non-employee directors for the year ended December 31, 2014. 

Non-Employee Director Compensation in Fiscal 2014 

Anthony E. Altig 
Mark Auerbach 
Richard DiMarchi  
Joseph Felder  
Myron Holubiak 
William Ringo  

   $ 

Fees Earned 
or Paid in Cash   
40,000   
45,000   
20,000   
20,000   
45,000   
20,000   

   $ 

Option  
Awards (1) (2)    
373,168   
339,017   
357,198   
-   
339,017   
357,198   

(3) 
(4) 

(3) 

All Other 

   $ 

Compensation    
-   
-   
-   
-   
-   
-   

   $ 

Total ($) 

413,168   
384,017   
377,198   
20,000   
384,017   
377,198   

   (1)  As of December 31, 2014, our non-employee directors held the following options to purchase shares of our common stock: Mr. 
Altig,  64,000  shares;  Mr.  Auerbach,  64,000  shares;  Mr.  DiMarchi, 64,000  shares;  Mr.  Holubiak,  64,000  shares;  and  Mr.  Ringo, 
64,000 shares.  

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   (2)  The reported amount in the table above of the stock option grants made in 2014 represents the aggregate grant date fair value of the 
options computed in accordance with FASB ASC Topic 718. Assumptions used in the calculation of these amounts are included in 
Note 6 of the financial statements included in this Annual Report on Form 10-K. 

   (3)  Became a director on July 11, 2014. 

   (4)  Dr. Felder ceased to be a director on July 10, 2014. 

Directors receive a grant of options annually as determined by the Compensation Committee. Upon joining the Board, a new director will 
be granted 64,000 stock options. Each non-employee director receives an annual cash fee of $35,000 per year. The Chairman of the Board 
receives an annual cash fee of $35,000 per year. Members of the Audit Committee receive a  fee  of $7,500 per year  with the Chair of the 
committee  receiving  an  additional  $7,500.  Members  of  the  Compensation  Committee  and  the  Nominating  and  Governance  Committee 
receive a fee of $5,000 per year with the Chair of the committee receiving an additional fee of $5,000. 

Executive Compensation 

Our executive officers are Mr. Derek Small, our President and Chief Executive Officer, David J. Barrett, our Chief Financial Officer and 
Chief Operating Officer, Dr. Uri Lopatin, our Chief Medical Officer, and Lee Arnold, our Chief Scientific Officer. Information on Mr. Small 
is provided under Item 10 above. Information on Mr. Barrett and Drs. Lopatin and Arnold is below. We refer to anyone who served as an 
executive officer in 2014 as a Named Executive Officer. 

Age 
(as of 

Name 

02/28/15)     Business Experience For Last Five Years 

David J. Barrett 

   39 

Dr. Lopatin 

   43 

   Mr. Barrett joined us as Chief Financial Officer in July 2010. From April 2006 to September 
2009, Mr. Barrett served as Chief Financial Officer of Neuro-Hitech, Inc., a public company 
focused  on  developing,  marketing  and  distributing  branded  and  generic  pharmaceutical 
products. From September 2003 to April 2006, Mr. Barrett was the Chief Financial Officer 
/Vice  President  of  Finance  of  Overture  Asset  Managers  and  Overture  Financial  Services, 
which, at the time, was a start-up asset management firm that assembled investment products 
and  platforms  to  distribute  turnkey  and  unbundled  investment  solutions  to  financial 
intermediaries  and  institutional  investors.  From  July  1999  to  September  2003,  Mr.  Barrett 
was  employed  as  a  Manager  at  Deloitte  &  Touche,  LLP.  Mr.  Barrett  also  is  a  director  of 
Coronado Biosciences, Inc. (NASDAQ: CNDO), a biopharmaceutical Company. Mr. Barrett 
received  his  B.S.  in  Accounting  and  Economics  and  his  M.S.  in  Accounting  from  the 
University of Florida. He is a certified public accountant. 

the  completion  of 

in  July  2014  upon 

   Dr.  Lopatin  joined  us  as  Chief  Medical  Officer  and  Vice  President  Research  and 
Development 
the  merger  with  Assembly 
Pharmaceuticals.  At  Assembly  Pharmaceuticals,  he  was  Chief  Medical  Officer  and  Vice 
President Research and Development, a position he held since October, 2012. Prior to that, 
he  was  a  Senior  Director  for  Clinical  and  Translational  Research-Liver  Disease  at  Gilead 
Sciences from October, 2010 to September, 2012, a Translational Medical Leader at Roche 
from  May,  2008  to  September,  2010.  He  has  designed  and  coordinated  pre-clinical  and 
clinical  collaborations,  as  well  as  phase  I  through  IV  clinical  studies  of  multiple  new 
molecular  entities.  Dr.  Lopatin  has  published  extensively,  especially  on  hepatitis  B  and 
immunology and is an author of multiple patents in the field of treatment and diagnosis for 
viral  hepatitis.  Dr.  Lopatin  received  his  infectious  disease  Board  certification  following 
fellowship  training  in  ID  at  the  NIH,  and  internal  medicine  board  certification  following 
completion of residency at NYU. He received his MD in 2000 from University of Medicine 
and Dentistry-New Jersey Medical School. 

39 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
Dr. Arnold 

   55 

   Dr. Lee Arnold joined us a Chief Scientific Officer in July 2014 upon the completion of the 
merger  with  Assembly  Pharmaceuticals.  At  Assembly  Pharmaceuticals,  he  served  as  Chief 
Scientific  Officer  since  May  2014.  Dr.  Arnold  has  an  exceptionally  broad  research 
background  ranging  from  synthetic  and  medicinal  chemistry,  structure-based  drug  design, 
biochemistry  and  biophysics,  drug  metabolism,  to  preclinical  efficacy,  safety,  toxicology, 
Process  R&D,  and  IND-enabling  studies.  With  pharma  experience  from  Syntex,  Pfizer, 
BASF/Abbott Bioresearch, and OSI Pharmaceuticals, he brings a history of over 27 years of 
industry  contributions  in  molecularly-targeted  small-molecule  drug  discovery  in  oncology, 
immunology  and  infectious  disease.  From  July  2009  to  April  2014,  Dr.  Arnold  was  Chief 
Scientific Officer for Coferon, Inc. Dr. Arnold led the creation, refinement, and deployment 
of  an  unprecedented  self-assembling  drug  molecule  platform  to  deliver  larger,  more  potent 
and selective drugs into cells in parts. During his career, Dr. Arnold has played a direct role 
in  delivering  7  innovative  drug  candidates  into  development  for  oncology.  One  of  his 
inventions,  TARCEVA,  is  the  first  orally-active  kinase  inhibitor  demonstrated  to  improve 
survival  in  lung  and  pancreatic  carcinoma  patients.  Since  2007  he  has  also  been  a  visiting 
professor at the State University of New York at Stony Brook and a member of the Institute 
of  Chemical  Biology  and  Drug  Discovery.  Dr.  Arnold  is  recognized  in  drug  discovery 
through  his  inventorship  on  over  sixty-five  patent  filings,  more  than  thirty  peer-reviewed 
publications, and numerous conference presentations. 

Executive Compensation 

Components of our Executive Compensation Program 

The  principal  components  of  our  executive  compensation  program  are  base  salary,  annual  bonus,  and  long-term  incentives.  Our 
Compensation  Committee  believes  that  each  component  of  executive  compensation  must  be  evaluated  and  determined  with  reference  to 
competitive market data, individual and corporate performance, our recruiting and retention goals, internal equity and consistency, and other 
information  we  deem  relevant.  We  believe  that  in  the  biopharmaceutical  industry  stock  option  and/or  other  equity  awards  are  a  primary 
motivator in attracting and retaining executives, in addition to salary and cash incentive bonuses. 

The components of our compensation package are set forth below. 

Base Salary 

We provide base salaries for our Named Executive Officers to compensate them for their services rendered during the fiscal year. Base 
salaries for our Named Executive Officers have been established based on their position and scope of responsibilities, their prior experience 
and training, and competitive market compensation data we review for similar positions in our industry. 

Base  salaries  are  reviewed  periodically  and  may  be  increased  for  merit  reasons  based  on  the  executive’s  performance,  for  retention 
reasons or if the base salary is not competitive to salaries paid by comparative companies for similar positions. Additionally, we may adjust 
base salaries throughout the year for promotions or other changes in the scope or breadth of an executive’s role or responsibilities. 

Annual Incentive Bonus 

A  significant  element  of  the  cash  compensation  of  our  Named  Executive  Officers  is  an  annual  performance-based  cash  bonus.  A  Named 
Executive Officer’s target bonus is generally set as a percentage of base salary to reward strong performance and retain his employment in a 
competitive  labor  market.  In  the  case  of  Drs.  Ellison,  Lopatin  and  Arnold,  and  Messrs.  Small  and  Barrett,  their  employment  agreements, 
effective  through  2014,  provided  an  annual  bonus  of  up  to  50%  and  30%  of  their  base  salary,  respectively.  Their  current  employment 
agreements  provide  for  bonus  opportunities  of  50%,  30%,  30%,  50%  and  50%,  respectively.  Bonuses  are  based  on  the  achievement  of 
significant  company  goals,  including  research  and  clinical  development,  financial,  business  development  and  operational  milestones,  with 
specific goals tailored to the executive officer’s area of responsibility. The performance goals generally are determined by our Compensation 
Committee in the first quarter of the calendar year but the bonuses are determined at the time bonuses are paid. Additionally, the Board or the 
Compensation Committee may increase or decrease an executive’s bonus payment (above or below the target) based on its assessment of the 
company’s and an executive’s individual performance during a given year. For 2014, annual bonuses were based on achievement of company 
goals  related  to  development  of  our  HBV  and  Microbiome  therapy  programs,  financial  operations/investor  relations,  strategic  planning, 
business  development/commercialization,  and  corporate  governance.  In  addition,  our  Compensation  Committee  determined  that  the 
performance  of  the  Named  Executive  Officers  should  be  evaluated  in  three  distinct  time  periods  –  pre-merger,  merger  period,  and  post-
merger, reflecting the types of activities associated  with each of  these periods. Each officer's potential bonus was  weighted differently  for 
each set of goals, depending on his respective area of responsibility. For the business and financial executive positions, the Compensation 
Committee believed no bonuses should be awarded for the pre-merger period because the activities and performance during that time period 
were recognized at the time of the merger; for the merger and post-merger periods, these executives were generally considered to have met 
their goals. For the science/technical executive position, both leaders were considered to have performed well in pursuit of the development 
objectives. The resulting bonuses were as follows for 2014: $116,667 for Mr. Small (67% of his total possible bonus for 2014); $142,500 for 
Dr.  Ellison  (60%);  $150,000  for  Mr.  Barrett  (100%);  $104,400  for  Dr.  Lopatin  (120  %);  and  $51,188  for  Dr.  Arnold  (54%).  The  bonus 
amounts  for  Mr.  Small  and  Drs.  Lopatin  and  Arnold  are  based  on  their  salaries  paid  by  us  during  2014,  beginning  immediately  after  the 
Assembly merger on July 11, 2014. 

40 

  
  
  
  
  
  
  
  
  
  
  
 
Long-term Incentives 

Our equity-based long-term incentive program is designed to align our Named Executive Officers’ long-term incentives with stockholder 
value creation. We believe that long-term participation by our executive officers in equity-based awards is a critical factor in the achievement 
of long-term company goals and business objectives. Our 2014 Plan allows the grant to executive officers of stock options, as well as other 
forms  of  equity  incentives,  as  part  of  our  overall  compensation program.  Grants  of  options  to our  executive  officers  other  than  our  Chief 
Executive Officer are recommended by the Chief Executive Officer and finalized by the Compensation Committee and/or the Board. Grants 
of options to our Chief Executive Officer are made by the Compensation Committee and/or the Board. 

In July 2014, we cancelled all outstanding options issued under our 2006 Plan and all outstanding options and unvested restricted stock 
units issued under our 2010 Plan. At the same time, our Board and our stockholders adopted and approved our 2014 Stock Incentive Plan and 
we granted the following stock options to our Named Executive Officers: Dr. Ellison, 800,000 options; Mr. Barrett, 741,800 options; and Dr. 
Lopatin, 160,000 options. No options were granted to Mr. Small and Dr. Arnold because we assumed options to purchase 466,238 shares and 
155,412 shares, respectively, in the merger with Assembly Pharmaceuticals, which had previously granted them those options. In approving 
these  stock  options,  the  Board’s  guiding  principle  was  to  create  a  program  that  is  designed  to  incentivize  management  to  generate  a 
significant increase in total shareholder return as measured by sustained increases in our stock price. 

Other Compensation 

We  maintain  broad-based  benefits  and  perquisites  that  are  provided  to  all  eligible  employees,  including  health  insurance,  life  and 

disability insurance, dental insurance and paid vacation. 

Pension Benefits 

We do not maintain any qualified or non-qualified defined benefit plans. As a result, none of our Named Executive Officers participate in 
or  have  account  balances  in qualified  or  non-qualified defined  benefit  plans  sponsored by  us.  Our  Compensation  Committee  may  elect  to 
adopt qualified or non-qualified benefit plans in the future if it determines that doing so is in our best interests. 

Nonqualified Deferred Compensation 

None of our Named Executive Officers participate in or have account balances in nonqualified defined contribution plans or other non-
qualified  deferred  compensation  plans  maintained  by  us.  Our  Compensation  Committee  may  elect  to  provide  our  officers  and  other 
employees with non-qualified defined contribution or other non-qualified deferred compensation benefits in the future if it determines that 
doing so is in our best interests. 

Summary Compensation Table 

The following table sets forth all compensation earned in the fiscal years ended December 31, 2014 and 2013 by our Named Executive 

Officers. 

Name and Principal 
Position 

Derek Small 
President and Chief 
Executive Officer 

Russell H. Ellison, M.D. 
President and Chief 
Excecutive Officer 

      Year   
(3)    2014    $  160,416   

Salary 

Bonus 
   $  150,000   

   $ 

      2013   

-   

(4)    2014   

465,000   

      2013   

375,000   

David J. Barrett 
Chief Financial Officer 

      2014   
      2013   

299,358   
250,000   

Uri Lopatin, M.D. 
Chief Medical Officer 

      2014   
      2013   

120,833   
-   

100,000   
-   

Lee Arnold, M.D. 
Chief Scientific Officer 

      2014   
      2013   

144,375   
-   

-   
-   

Non-equity 
Incentive 
Plan 
Compensation   

Stock 
Awards 

-   

-   

-   

147,500   

-   
147,500   

-   
-   

-   
-   

Option 
Awards (1)    
-   

   $ 

(2) 

  $ 

116,667   

All 
Other   
-   

   $ 

Total 

   $ 

427,083   

-   

-   

4,694,538   

142,500   

-   

18,750   

4,373,237   
-   

892,996   
-   

-   
-   

150,000   
68,750   

104,400   
-   

51,188   
-   

-   

-   

-   

-   
-   

-   

-   

-   

5,302,038   

541,250   

4,822,595   
466,250   

1,218,229   
-   

195,563   
-   

-   

-   

-   

-   
-   

(1) The reported amounts represent the grant date fair value of the award, computed in accordance with FASB ASC Topic 718. Assumptions 
used in the calculation of these amounts are included in Note 6 of the financial statements included in this Annual Report on Form 10-K. 

(2) Non-equity incentive plan compensation represents amounts paid as annual performance awards. 

(3) Became an employee on July 11, 2014. 

(4) Dr. Ellison ceased to be an employee on February 10, 2015. 

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Outstanding Equity Awards at December 31, 2014 

The  following  table  contains  certain  information  concerning  unexercised  options  and  unvested  restricted  stock  units  for  the  Named 

Executive Officers as of December 31, 2014. 

Number of 
Securities 
Underlying 
Unexercised 
Options 
   Exercisable (#)    

Number of 
Securities 
Underlying 
Unexercised 
Options 
   Unexercisable (#)   

   Grant Date 

   Option Exercise    
Price ($) 

Option Expiration 
Date 

5/15/2014   
7/10/2014   
7/10/2014   
7/10/2014   
5/15/2014   

(1)       
(2)       
(2)       
(2)       
(3)       

142,462         
266,667         
247,267         
53,333         
34,536         

323,776       $ 
533,333         
494,533         
106,667         
120,877         

2.22      
7.20      
7.20      
7.20      
2.22      

5/15/2024 
7/11/2017 
7/11/2017 
7/11/2017 
5/15/2024 

Name 
Derek Small 
Russell Ellison 
David Barrett 
Uri Lopatin 
Lee Arnold 

   (1)  These options were assumed in the Assembly merger and vest 1/36 on a monthly basis beginning on February 2, 2014.  

   (2)  One-third of the options vest on the grant date, one-third vest on the first anniversary of the grant date and one-third vest on the 

second anniversary of the grant date.  

   (3)  These options were assumed in the Assembly merger and vest 1/36 on a monthly basis beginning on May 15, 2014. 

Employment Arrangements 

All of our Named Executive Officers serve pursuant to an employment agreement. 

In January 2014, we entered into an employment agreement with each of Russell Ellison and David Barrett. Each employment agreement 
has a term of two years and will be automatically extended for additional one-year periods unless we notify the officer at least 180 days prior 
to the then current expiration date that we intend to not extend the employment agreement. The employment agreements provide for a base 
salary of $475,000 per year for Dr. Ellison and $300,000 for Mr. Barrett, and an annual discretionary bonus of up to 50% of the officer’s base 
salary based on financial, clinical development and business milestones established by the Board of Directors. 

Under the employment agreements, Dr. Ellison and Mr. Barrett are prohibited for 12 months after termination of employment from (i) 
engaging within the restricted territory (as defined in the agreement) in developing novel prescription drugs for the specific disease treatment 
of hemorrhoids, anal fissures, and fecal incontinence or any other business in which we are actively engaged at the time of termination of 
employment, (ii) holding a position in or with responsibility for all or a part of the restricted territory (A) with any person or entity engaged 
in such a business and for which the officer will perform services that are the same or substantially similar to those performed by him for us 
within 12 months prior to termination of employment, or (B) in which the officer will use or disclose any of our confidential information, (iii) 
being  employed  or  engaged  by  any  person  or  entity  that  was  an  agent  or  customer  of  ours  with  whom  the  officer  worked  during  his 
employment with us and for whom he will be performing services that are the same or substantially similar to those services he provided to 
the agent or customer during the officer’s employment with us, (iv) soliciting our customers for purposes of marketing or selling similar or 
competitive products, or interfering with the business relationship between our company and our customers, and (v) inducing any employee 
or  consultant  of  ours  to  terminate  employment  or  a  contractual  relationship  with  us.  In  the  employment  agreement,  the  term  “restricted 
territory” is defined generally as any country in which we conduct business as of the date of termination of the officer’s employment. 

42 

  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
If we terminate either Dr. Ellison or Mr. Barrett for cause (as defined in the agreement) or if he terminates without good reason (as 
defined in the agreement), we will pay his then-current base salary through the date of his termination and any expense reimbursement 
amounts owed through the date of termination. If Dr. Ellison’s or Mr. Barrett’s employment is terminated as a result of death, then we will 
pay to his estate his then-current base salary for a period of 12 months following such termination. 

 If  either  Dr.  Ellison’s  or  Mr.  Barrett’s  employment  is  terminated  in  connection  with  or  within  six  months  of  a  change  of  control  (as 
defined in the agreement), we will provide him the following benefits: (i) a lump-sum payment equal to 18 months of his then-current base 
salary, (ii) the full annual discretionary bonus as established by the Board, (iii) immediate vesting in full of all equity awards, (iv) extension 
of the exercise period for all stock options to the end of their term, and (v) reimbursement of COBRA premiums for 18 months or until the 
officer  is  eligible  for  insurance  benefits  from  another  employer,  whichever  is  earlier.  In  the  employment  agreement,  the  term  “change  in 
control” is defined generally as the acquisition by any person of more than 50% of the voting power of our then-outstanding securities, and/or 
the merger or consolidation of our company or the sale of all or substantially all of our assets. 

If  either  Dr.  Ellison’s  or  Mr.  Barrett’s  employment  is  terminated  as  a  result  of  disability,  by  us  without  cause  (as  defined  in  the 
agreement),  or  by  the  officer  for  good  reason  (as  defined  in  the  agreement),  we  will  provide  him  the  following  benefits:  (i)  continued 
payment  of  his  then-base  salary  for  12  months  following  date  of  termination  of  employment,  (ii)  immediate  vesting  in  full  of  all  equity 
awards that would have become vested during the 12 months following termination of employment, (iii) extension of the exercise period for 
all vested stock options to the end of their term, and (iv) reimbursement of COBRA premiums for 18 months or until the officer is eligible for 
insurance benefits from another employer, whichever is earlier. 

In the employment agreements, the term “cause” is defined generally as (i) willful failure to perform the officer’s duties, (ii) willful or 
intentional misconduct or gross negligence, (iii) indictment of any felony or a misdemeanor involving moral turpitude, (iv) engagement in 
some form of harassment prohibited by law, (v) intentional misappropriation or embezzlement of our property, (vi) breach by the officer of 
the non-misappropriation, non-compete and non-solicitation provisions of the agreement, and (vii) uncured breach by the officer of any other 
provision of the agreement. In the employment agreements, the term “good reason” is defined generally as (i) any material reduction of the 
officer’s  duties,  responsibilities,  or  authority,  (ii)  any  material  reduction  of  the  officer’s  compensation  or  benefits,  (iii)  relocation  of  our 
headquarters or the officer’s residence or primary place of employment to a location outside a 30-mile radius of New York, New York. 

In  connection  with  the  Assembly  Pharmaceuticals  merger,  we  amended  Dr.  Ellison’s  Employment  Agreement.  Pursuant  to  the 
amendment, Dr. Ellison will continue to serve as our Chief Executive Officer (which title he relinquished in February 2015). However, our 
Board may appoint Derek Small as Chief Executive Officer at any time at which time Dr. Ellison’s employment as Chief Executive Officer 
will  end,  but he  would  become  the  Executive  Chairman  of  the  Board.  The  amendment  further  amends  the  definition  of  “good  reason”  to 
reflect Dr. Ellison’s transition to the position of Executive Chair by: (i) eliminating good reason based upon any material reduction of Dr. 
Ellison’s duties, responsibilities or authority, and (ii) adding good reason based upon a failure of the Board to appoint him as Executive Chair 
or the Board’s removal of Dr. Ellison as Executive Chair, provided that such failure or removal is not in connection with either a termination 
of Dr. Ellison’s employment for cause (as defined by the employment agreement), or as a result of the failure of our stockholders to elect Dr. 
Ellison to the Board. 

In connection with the Assembly Pharmaceuticals merger, we entered into employment agreements with Derek Small, Uri Lopatin and 
Lee Arnold. Pursuant to these agreements, Mr. Small serves as President, Chief Operating Officer and Budget Chief (in February 2015, Mr. 
Small became our President and Chief Executive Officer and relinquished his title of Chief Operating Officer), Dr. Lopatin serves as Chief 
Medical  Officer  and  Vice  President,  Research  and  Development,  and  Dr.  Arnold  serves  as  Chief  Scientific  Officer  and  Vice  President, 
Research  and  Development.  Mr.  Small’s  employment  agreement  has  a  term  of  two  years  and  Dr.  Lopatin  and  Dr.  Arnold’s  employment 
agreements provide for at-will employment, subject to payment of severance benefits depending on the circumstances of termination. The 
employment agreements provide for a base salary of $350,000 per year for Mr. Small, $290,000 per year for Dr. Lopatin and $315,000 per 
year  for  Dr.  Arnold.  Each  employee  is  also  eligible  for  an  annual  discretionary  bonus  based  on  achievement  of  financial,  clinical 
development and business milestones established by the Board of Directors, with Mr. Small eligible for a bonus of up to 50% of his base 
salary, and Dr. Arnold and Dr. Lopatin eligible for a bonus of up to 30% of their respective base salaries. Mr. Small and Dr. Lopatin will also 
be eligible for a retention bonus payable after three months of employment in the amount of $150,000 for Mr. Small and $100,000 for Dr. 
Lopatin. Under the employment agreements, Mr. Small and Dr. Arnold are prohibited for 12 months after termination of employment from 
engaging  in  certain  competitive  activities.  Dr.  Lopatin  will  be  subject  to  and  bound  by  a  Confidentiality  and  Assignment  of  Inventions 
Agreement. 

On February 10, 2015, we named Mr. Small our Chief Executive Officer, in addition to his current position as President, and we named 
Mr. Barrett our Chief Operating Officer, in addition to his current role as Chief Financial Officer. In his new position, Mr. Small received a 
20% salary increase, bringing his salary to $420,000, and for his additional responsibility, Mr. Barrett receive a 3% salary increase, bring his 
salary to $357,000. As had been agreed during the Assembly merger, Mr. Small succeeded Dr. Ellison as our Chief Executive Officer. At the 
same time, our current director William Ringo succeeded Dr. Ellison as Chairman. Dr. Ellison will continue to serve as a director until the 
2015  annual  meeting,  and  he  will  also  continue  as  a  Senior  Advisor  and  head  of  our  microbiome  development  program.  The  succession 
constitutes  a  “termination  without  cause”  under  Dr.  Ellison’s  employment  agreement.  As  a  result, subject  to  Dr.  Ellison  signing  a  release 
agreement and the passage of the required revocation period provided therein, Dr. Ellison will be entitled to 12 months of salary, immediate 
vesting of an additional one third of his outstanding option and an extension of the exercise period to the option expiration date of July 10, 
2024, and reimbursement of COBRA premiums for 12 months or until he is eligible for insurance benefits from another employer, whichever 
is earlier. 

43 

  
  
  
  
  
  
 
 
 
Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters 

Principal Stockholders 

The following table sets forth certain information regarding the ownership of shares of our common stock as of February 27, 2015 by (1) 
each person known by us to beneficially own more than 5% of the outstanding shares of common stock, (2) each director of our company, (3) 
each of the Named Executive Officers, as listed in the Summary Compensation Table below, and (4) all directors and executive officers of 
our company as a group. 

44 

  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
This table is based upon information supplied by our Named Executive Officers, directors and principal stockholders and from 
Schedules 13G filed with the SEC. Unless otherwise indicated in the footnotes to this table and subject to community property laws where 
applicable, each of the stockholders named in this table has sole voting and investment power with respect to the shares indicated as 
beneficially owned. Share ownership in each case includes shares issuable upon exercise of options and warrants that may be exercised 
within 60 days after February 27, 2015 for purposes of computing the percentage of common stock owned by such person, but not for 
purposes of computing the percentage owned by any other person. Unless otherwise noted, the address for each person listed is 99 Hudson 
Street, 5th Floor, New York, New York 10013. Applicable percentages are based on 10,693,259 shares outstanding on February 27, 2015. 

Name of Beneficial Owner 

Shares Beneficially 
Owned 

   Percentage 
   Owned (% ) 

5% Stockholders: 
EcoR1 Capital, LLC (1) 
409 Illinois Street 
San Francisco, California 94158 

Jennison Associates LLC 
466 Lexington Avenue 
New York , NY 10017 

Visium Asset Management, LP (2) 
888 Seventh Avenue 
New York, NY 10019 

QVT Financial LP (3) 
1177 Avenue of the Americas, 9th Floor 
New York, NY 10036 

Adam Zlotnick (4) 
615 Clifton Ave 
Bloonington, IN 47401 

Directors and Named Executive Officers: 
Anthony Altig (5) 
Mark Auerbach (6) 
Richard DiMarchi (7) 
Russell H. Ellison (8) 
Myron Holubiak (6) 
William Ringo (9) 
Derek Small (10) 
David J. Barrett (11) 
Uri Lopatin (12) 
Lee Arnold (6) 
All directors and executive officers as a group (10 persons) (13) 

* Less than 1%. 

1,009,752   

9.4 % 

893,913   

8.4 % 

834,284   

7.8 % 

535,000   

5.0 % 

1,363,676   

12.7 % 

29,333   
21,333   
332,158   
556,546   
21,333   
41,798   
818,657   
267,203   
674,984   
51,804   
2,815,149   

*   
*   
3.1 % 
5.0 % 
*   
*   
7.5 % 
2.4 % 
6.3 % 
*   
23.7 % 

45 

  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(1) 

(2) 

(3) 

(4) 

(5) 

(6) 

(7) 

(8) 

(9) 

(10) 

(11) 

(12) 

Based on the information contained in Schedule 13G/A filed with the SEC on February 17, 2015 by EcoR1 Capital, LLC, 
EcoR1  Capital  Fund,  L.P.  and  EcoR1  Capital  Fund  Qualified,  L.P.  According  to  the  Schedule  13G/A,  all  three  reporting 
persons hold shared voting and dispositive power over the shares. EcoR1 Capital Fund, L.P. directly owned 383,729 shares 
of common stock and EcoR1 Capital Fund Qualified, L.P. directly owned 626,023 shares of common stock. EcoR1 Capital, 
LLC, as the general partner of each of Capital Fund and Qualified Fund, may be deemed to beneficially own the 1,009,752 
shares of common stock owned in the aggregate by Capital Fund and Qualified Fund. Oleg. Nodelman, as the Manager of 
EcoR1 Capital, LLC may be deemed to beneficially own the 1,009,752 shares of common stock owned in the aggregate by 
Capital Fund and Qualified Fund. 

Based  on  the  information  contained  in  Schedule  13G/A  filed  with  the  SEC  on  February  13,  2015  by  Visium  Asset 
Management,  LP  (“VAM”),  Visium  Balanced  Master  Fund,  Ltd.,  JG  Asset,  LLC  and  Jacob  Gottlieb.  According  to  the 
Schedule 13G/A, all three reporting persons hold shared voting and dispositive power over the shares. VAM is investment 
manager to pooled investment funds and may be deemed to beneficially own the shares that are beneficially owned by the 
pooled investment funds. JG Asset, LLC is the general partner of VAM and may be deemed to beneficially own the shares 
that are beneficially owned by VAM. Jacob Gottlieb is the managing member of JG Asset, LLC and and may be deemed to 
beneficially own the shares that are beneficially owned by JG Asset, LLC. 

Based  on  the  information  contained  in Schedule  13G  filed  with  the  SEC  on  January  2,  2015  by  QVT  Financial  LP,  QVT 
Financial GP LLC and QVT  Associates  GP LLC.  According to the Schedule 13G, all three reporting persons hold shared 
voting and dispositive power over the shares. QVT Financial LP (“QVT Financial”) is the investment manager  for private 
investment  funds  (collectively,  the  “Funds”).  The  Funds  aggregately  own  535,000  shares  of  common  stock.  Accordingly, 
QVT  Financial  may  be  deemed  to  be  the  beneficial  owner  of  an  aggregate  amount  of  535,000  shares  of  common  stock, 
consisting of the shares owned by the Funds. QVT Financial GP LLC, as General Partner of QVT Financial, may be deemed 
to beneficially own the same number of shares of common stock reported by QVT Financial. QVT Associates GP LLC, as 
General Partner of the Funds, may be deemed to beneficially own the aggregate number of shares of common stock owned 
by the Funds, and accordingly, QVT Associates GP LLC may be deemed to be the beneficial owner of an aggregate amount 
of 535,000 shares of common stock. 

Includes 1,321,009 shares of common stock and 42,667 shares that Dr. Zlotnick has the right to acquire from us within 60 
days of February 28, 2015 pursuant to the exercise of stock options. 

Includes 8,000 shares of common stock and 21,333 shares that Mr. Altig has the right to acquire from us within 60 days of 
February 28, 2015 pursuant to the exercise of stock options. 

Consists of shares that the individual has the right to acquire from us within 60 days of February 28, 2015 pursuant to the 
exercise of stock options. 

Includes 310,825 shares of common stock and 21,333 shares that Dr. DiMarchi has the right to acquire from us within 60 
days of February 28, 2015 pursuant to the exercise of stock options. 

Consists of (i) 21,600 shares of common stock, (ii) 1,613 shares of our common stock issuable upon exercise of a warrant, 
and (iii) 533,333 shares that Dr. Ellison has the right to acquire from us within 60 days of February 28, 2015 pursuant to the 
exercise of stock options. 

Includes 20,465 shares of common stock and 21,333 shares that Mr. Ringo has the right to acquire from us within 60 days of 
February 28, 2015 pursuant to the exercise of stock options. 

Includes 624,391 shares of common stock and 194,266 shares that Mr. Small has the right to acquire from us within 60 days 
of February 28, 2015 pursuant to the exercise of stock options. 

Consists of (i) 19,936 shares of common stock, and (ii) 247,267 shares that Mr. Barrett has the right to acquire from us within 
60 days of February 28, 2015 pursuant to the exercise of stock options. 

Includes 621,651 shares of common stock and 53,333 shares that Dr. Lopatin has the right to acquire from us within 60 days 
of February 28, 2015 pursuant to the exercise of stock options. 

(13) 

Includes the shares described in footnotes (5) through (12). 

46 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
Equity Compensation Plans 

The following table sets forth the indicated information as of December 31, 2014 with respect to our equity compensation plans: 

Plan Category 
Equity compensation plans approved by our 
shareholders: 
2014 Stock Incentive Plan 
2010 Stock Incentive Plan 
Options Assumed in Assembly Pharmaceuticals 
Merger 
Equity compensation plans not approved by our 
shareholders: 
2008 Warrants 
2009 Placement Agent Warrants 
2010 Warrants 
Consultant Warrants 
2010 Placement Agent Warrants 
Underwriter Warrants 
Torreya Warrants 
Total 

Number of 
securities to be 
issued upon 
exercise of 

      Weighted average 
exercise price of 
outstanding options,    
   warrants, and rights        warrants, and rights    

outstanding options,       

2,560,000       $ 
68,000       $ 

621,651      

1,989       $ 
7,191       $ 
68,517       $ 
16,909       $ 
16,450       $ 
39,440       $ 
120,265       $ 

3,520,412      

7.20   
8.13   

-   

332.30   
62.00   
33.00   
30.80   
37.50   
37.50   
5.13   

Number of 
securities 
remaining available    
for future issuance    
under equity 
compensation plans    

-   
696,100   

-   

-   
-   
-   
-   
-   
-   

696,100   

Our equity compensation plan consists of the 2014 Stock Plan and 2010 Plan which were approved by our stockholders. Our equity 
compensation arrangements that have not been approved by our stockholders consist of warrants to purchase shares of our common stock 
issued to: Paramount BioCapital as placement agent in our 2008 common stock offering; S.L.A. Pharma to whom we issued a warrant for 
13,605 shares as part of an amendment to the license agreement between us and S.L.A. Pharma for VEN 307 and VEN 308; three 
consultants; National Securities Corporation as placement agent in our 2010 convertible note offering; the underwriters of our initial public 
offering and warrants issued to Torreya Capital, our financial advisor in the Assembly Pharmaceuticals merger. 

Item 13. Certain Relationships and Related Transactions, and Director Independence 

Independence of Directors 

Because our common stock is listed on the NASDAQ Capital Market, our Board applies the NASDAQ Capital Market’s test for director 
independence  to  all  of  our  directors.  Using  that  test,  the  Board  has  determined  that  directors  Mark  Auerbach,  Anthony  Altig,  Richard 
DiMarchi,  Myron  Holubiak  and William  Ringo  are  independent under  the  NASDAQ  Marketplace  Rules.  Derek  Small  is  not  independent 
because he is our President and Chief Executive Officer. Russell Ellison is not independent because he is our immediate post Chief Executive 
Officer. As part of such determination of independence, our Board has affirmatively determined that each of Mr. Altig, Mr. Auerbach, Mr. 
DiMarchi, Mr. Holubiak and Mr. Ringo does not have a relationship with our company that would interfere with the exercise of independent 
judgment in carrying out his responsibilities as a director. 

Certain Relationships and Related Transactions 

The written charter of our Audit Committee authorizes and the NASDAQ Marketplace Rules require our Audit Committee to review and 
approve related party transactions. In reviewing related party transactions, our Audit Committee applies the basic standard that transactions 
with affiliates should be made on terms no less favorable to us than could have been obtained from unaffiliated parties. Therefore, the Audit 
Committee  reviews  the  benefits  of  the  transactions,  terms  of  the  transactions  and  the  terms  available  from  unrelated  third  parties,  as 
applicable.  All  transactions other  than  compensatory  arrangements  between  us  and our  officers,  directors,  principal  stockholders  and  their 
affiliates  will  be  approved  by  our  Audit  Committee  or  a  majority  of  the  disinterested  directors,  and  will  continue  to  be  on  terms  no  less 
favorable to us than could be obtained from unaffiliated third parties. There were no related party transactions in 2014 and, as of the date of 
this report, none have been undertaken in 2015. 

Item 14. Principal Accounting Fees and Services 

Audit  Fees.  Audit  fees  include  fees  billed  to  us  by  EisnerAmper  in  connection  with  its  annual  audit  of  our  financial  statements  and 
procedures related to our regulatory filings, including regulatory filings and the comfort letters for our 2014 and 2013 public offerings and 
our 2014, 2013 and 2012 at-the-market sales program. The aggregate fees billed to us by EisnerAmper for such audit services rendered for 
the fiscal years ended December 31, 2014 and 2013 were $239, 404 and $177,479, respectively. 

47 

  
  
    
     
    
  
  
    
     
    
  
  
    
  
  
    
     
  
  
    
  
  
  
  
  
       
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
       
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
  
    
  
  
  
  
  
  
  
  
  
  
 
 
  
Audit-Related Fees. Audit-related services consist solely of routine accounting consultations. During the fiscal years ended December 31, 

2014 and 2013, EisnerAmper did not bill us for any audit-related services. 

 Tax Fees. Tax fees include corporate tax compliance, assistance with an IRS examination as well as advisory services. The aggregate 
fees billed to us by EisnerAmper for tax-related services in the fiscal years ended December 31, 2014 and 2013 were $10,000 and $15,500, 
respectively. 

All Other Fees. During the fiscal years ended December 31, 2014 and 2013, EisnerAmper did not bill us for any other fees. 

The  Audit  Committee  of  the  Board  considered  all  of  the  above  activities  to  be  compatible  with  the  maintenance  of  EisnerAmper’s 
independence. The Audit Committee discussed these services with EisnerAmper and our management to determine that they are permitted 
under the rules and regulations concerning auditor independence promulgated by the SEC to implement the Sarbanes-Oxley Act of 2002, as 
well as the American Institute of Certified Public Accountants. 

Although the Audit Committee does not have formal pre-approval policies and procedures in place, it pre-approved all of the services 

performed by EisnerAmper as discussed above, as required by SEC regulation. 

Item 15. Exhibits, Financial Statement Schedules 

(a) Exhibits. The following exhibits are filed as part of this registration statement: 

Exhibit 
Number 
1.3 

1.4 

1.5 

1.6 

3.1 

3.2 
3.3 

4.1 

4.2 

4.5 

4.8 

4.9 

   Description of Document 
   Controlled Equity Offering Sales Agreement, dated 

January 30, 2012 between Ventrus Biosciences, Inc. and 
Cantor Fitzgerald & Co. 

   Underwriting Agreement, dated January 30, 2013, by 
and Ventrus Biosciences, Inc. and William Blair & 
Company, LLC. 

   Underwriting Agreement, dated January 30, 2013, by 
and Ventrus Biosciences, Inc. and William Blair & 
Company, LLC. 

   Amendment No. 1, dated September 13, 2013, to Sales 
Agreement, dated January 20, 2012, between Ventrus 
Biosciences, Inc. and Cantor Fitzgerald & Co.  
   Amended and Restated Certificate of Incorporation 

dated November 11, 2010. 

   Amended and Restated Bylaws dated July 12, 2010.  
   Certificate of Designation of Series A Non-Voting 

Convertible Preferred Stock of Ventrus Biosciences, Inc. 
filed on January 30, 2013. 

   Specimen of Common Stock Certificate. 

Form of Warrant issued to investors between June and 
September 2008. 
Warrants issued to Paramount Credit Partners, LLC on 
January 23, March 25, June 1 and June 24, 2009. 
Form of Warrant issued to investors in February and 
March, 2010. 

   Form of Warrant issued to investors in May 2010. 

4.10 

Form of Placement Agent Warrant issued to Paramount 
BioCapital, Inc. on March 11, 2008. 

Registrant’s 
Form 
S-3 

Dated 

   01/31/2012 

Exhibit 
No. 
1.2 

Filed 
Herewith 

8-K 

   01/30/2013 

1.5 

8-K 

   01/30/2013 

1.6 

8-K 

   09/13/2013 

1.7 

S-1/A 

   11/16/2010 

3.1 

S-1 
8-K 

   07/20/2010 
   01/30/2013 

3.2 
4.14 

S-1/A 

   10/29/2010 

S-1 

   07/20/2010 

S-1/A 

   10/04/2010 

S-1/A 

S-1/A 

   10/04/2010 

   10/04/2010 

4.1 

4.3 

4.5 

4.8 

4.9 

S-1 

   07/20/2010 

4.10 

48 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
     
  
  
  
     
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit 
Number 

4.11 

   Description of Document 

Placement Agent Warrants issued to National Securities 
Corporation on February 26, March 31 and May 6, 2010, 
as amended October 28, 2010 and November 30, 2010. 

Registrant’s 
Form 

Dated 

Exhibit 
No. 

Filed 
Herewith 

S-1/A 

   12/06/2010 

4.11 

4.12 

   Warrant issued to S.L.A. Pharma AG on August 30, 

S-1/A 

   10/04/2010 

2010. 

4.13 
10.1* 

   Form of underwriters warrant dated December 22, 2010.   
   Exclusive License Agreement dated March 23, 2007 by 

S-1/A 
S-1/A 

   12/06/2010 
   11/16/2010 

4.12 

4.13 
10.1 

and between S.L.A. Pharma AG and Paramount 
Biosciences, LLC, as amended on July 24, 2008, 
November 20, 2008, June 1, 2009, December 18, 2009 
and June 24, 2010 and letter agreements dated October 
27, 2008, November 20, 2008 and January 22, 2009. 
   Assignment and Assumption Agreement dated August 2, 
2007, by and between Paramount Biosciences LLC and 
Ventrus Biosciences, Inc. 

   Amended and Restated Employment Agreement dated 
July 19, 2010 by and between Russell H. Ellison and 
Ventrus Biosciences, Inc. 

   Amendment No. 6, dated August 30, 2010, to Exclusive 
License Agreement by and between S.L.A. Pharma AG 
and Paramount Biosciences, LLC (assigned to Ventrus 
Biosciences). 

   Employment Agreement dated November 11, 2010 by 
and between David J. Barrett and Ventrus Biosciences, 
Inc. 

10.2 

10.5 

10.10 

10.12 

S-1 

   07/20/2010 

10.2 

8-K 

   07/20/2010 

10.5 

S-1/A 

   10/04/2010 

10.10 

S-1/A 

   11/15/2010 

10.12 

10.16 

   Amendment No. 7, dated June 6, 2011, to Exclusive 

S-1 

   06/06/2011 

10.16 

License Agreement by and between S.L.A. Pharma AG 
and Paramount Biosciences, LLC (assigned to Ventrus 
Biosciences). 

10.20 

   Employment Agreement dated January 15, 2014 and 

8-K 

   01/16/2014 

10.20 

effective December 22, 2013, by and between Ventrus 
Biosciences, Inc. and Dr. Russell H. Ellison. 

10.21 

   Employment Agreement dated January 15, 2014 and 

8-K 

   01/16/2014 

10.21 

10.22* 

effective December 22, 2013, by and between Ventrus 
Biosciences, Inc. and David J. Barrett. 

   License and Collaboration Agreement dated November 
8, 2013, by and between Ventrus Biosciences, Inc. and 
Therabiome, LLC. 

10-K 

   03/31/2014 

10.22 

10.23 

   Amendment dated July 11, 2014, to Employment 

8-K 

   07/14/2014 

10.23 

Agreement, effective as of December 22, 2013 between 
Ventrus Biosciences, Inc. and Russell H. Ellison. 

10.24 

   Employment Agreement, dated July 11, 2014, between 

Ventrus Biosciences, Inc. and Derek A. Small. 

10.25 

   Employment Agreement, dated July 11, 2014, between 

Ventrus Biosciences, Inc. and Uri A. Lopatin. 

10.26 

   Employment Agreement, dated July 11, 2014, between 

Ventrus Biosciences, Inc. and Lee D. Arnold 

8-K 

8-K 

8-K 

   07/14/2014 

10.24 

   07/14/2014 

10.25 

   07/14/2014 

10.26 

49 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Registrant’s 
Form 
10-Q 

Dated 

   11/17/2014 

Exhibit 
No. 
10.29 

Filed 
Herewith 

X 
X 

X 

X 

X 

X 

Exhibit 
Number 
10.27* 

   Description of Document 
   Exclusive License Agreement with Indiana University 

Research and Technology Corporation 

21.1 
23.1 

   List of Subsidiaries of Assembly Biosciences, Inc. 
   Consent of EisnerAmper LLP, Independent Registered 

Public Accounting Firm. 

31.1 

   Certification of the Chief Executive Officer Pursuant to 

Section 302 of the Sarbanes-Oxley Act of 2002. 

31.2 

   Certification of the Chief Financial Officer Pursuant to 

32.1 

32.2 

Section 302 of the Sarbanes-Oxley Act of 2002. 

   Certification of the Chief 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 Chief Financial Officer Pursuant to 18 
U.S. C. Section 1350 as Adopted Pursuant to Section 906 
of the Sarbanes-Oxley Act of 2002. 

   XBRL Instance Document. 

101.INS 
101.SCH     XBRL Taxonomy Extension Schema Document. 
101.CAL     XBRL Taxonomy Extension Calculation Linkbase 

Document. 

101.LAB     XBRL Taxonomy Extension Label Linkbase Document.    
101.PRE 

   XBRL Taxonomy Extension Presentation Linkbase 

Document. 

101.DEF     XBRL Taxonomy Extension Definitions Linkbase 

Document. 

*Certain  information  in  this  exhibit  has  been  omitted  and  filed  separately  with  the  Securities  and  Exchange  Commission  pursuant  to  a 
confidential treatment request.  

50 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
SIGNATURES 

In accordance with Section 13 or 15(d) of the Securities Exchange Act, the Registrant caused this report to be signed on its behalf by the 

undersigned, thereunto duly authorized. 

ASSEMBLY BIOSCIENCES, INC. 

Date: March 12, 2015 

/s/ Derek Small 

By: 
Name:  Derek Small 
Title: 

President and Chief Executive Officer 

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed by the following persons on behalf of the 

registrant in the capacities and on the dates indicated. 

SIGNATURES 

Signature 

/s/ Derek Small 
Derek Small 

/s/ David J. Barrett 
David J. Barrett 

/s/ Anthony E. Altig 
Anthony E. Altig 

/s/ Mark Auerbach 
Mark Auerbach 

/s/ Richard DiMarchi 
Richard DiMarchi 

/s/ Russell H. Ellison 
Russell H. Ellison 

/s/ Myron Z. Holubiak 
Myron Z. Holubiak 

/s/ William Ringo 
William Ringo 

   Title 

   President, Chief Executive Officer and Director 
   (Principal Executive Officer)  

   Date 

   March 12, 2015 

   Chief Financial Officer and Chief Operations Officer 
   (Principal Financial and Accounting Officer) 

   March 12, 2015 

   Director 

   Director 

   Director 

   Director 

   Director 

   Director 

   March 12, 2015 

   March 12, 2015 

   March 12, 2015 

   March 12, 2015 

   March 12, 2015 

   March 12, 2015 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
ASSEMBLY BIOSCIENCES, INC. 
(formerly Ventrus Biosciences, Inc.) 
FINANCIAL STATEMENTS 

Report of Independent Registered Public Accounting Firm 

Consolidated Balance Sheets as of December 31, 2014 and 2013 

Consolidated Statements of Operations for the Years Ended December 31, 2014 and 2013 

Consolidated Statements of Changes in Stockholders’ Equity for the Years Ended December 31, 2014 and 2013 

Consolidated Statements of Cash Flows for the Years Ended December 31, 2014 and 2013 

Notes to the Consolidated Financial Statements 

Page  

F-2 

F-3 

F-4 

F-5 

F-6 

F-7 

F-1 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM 

To the Board of Directors and Stockholders 
Assembly Biosciences, Inc. 

We have audited the accompanying consolidated balance sheets of  Assembly Biosciences, Inc. and subsidiary (the “Company”) (formerly 
Ventrus  Biosciences,  Inc.)  as  of  December  31,  2014  and  2013,  and  the  related  consolidated  statements  of  operations,  changes  in 
stockholders’ equity, and cash flows for each of the years in the two-year period ended December 31, 2014. The financial statements are the 
responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements based on our audits. 

We  conducted  our  audits  in  accordance  with  the  standards  of  the  Public  Company  Accounting  Oversight  Board  (United  States).  Those 
standards  require  that  we  plan  and  perform  the  audit  to  obtain  reasonable  assurance  about  whether  the  financial  statements  are  free  of 
material misstatement. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial 
reporting.  Our  audits  included  consideration  of  internal  control  over  financial  reporting  as  a  basis  for  designing  audit  procedures  that  are 
appropriate in the circumstances, 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. An audit includes examining, on a test basis, evidence supporting the amounts 
and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by 
management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our 
opinion. 

In  our  opinion,  the  financial  statements  referred  to  above  present  fairly,  in  all  material  respects,  the  consolidated  financial  position  of 
Assembly Biosciences, Inc. and subsidiary as of December 31, 2014 and 2013, and the consolidated results of their operations and their cash 
flows for each of the years in the two-year period ended December 31, 2014, in conformity with accounting principles generally accepted in 
the United States of America. 

/s/ EisnerAmper LLP 

New York, New York 
March 12, 2015 

F-2 

 
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 

CONSOLIDATED BALANCE SHEETS 

ASSETS 
Current assets 
Cash 
Other current assets 

Total current assets 

Property, plant and equipment, net 
Security deposits 
Intangible assets 
Goodwill 
Total assets 

LIABILITIES AND STOCKHOLDERS' DEFICIT 
Current liabilities 

Accounts payable 
Accrued expenses 

Total current liabilities 

Deferred tax liabilities 
Total liabilities 

   $ 

   $ 

   $ 

December 31, 

2014 

2013 

   $ 

   $ 

   $ 

29,091,113   
125,284   
29,216,397   

156,441   
115,005   
29,000,000   
12,737,350   
71,225,193   

907,601   
146,420   
1,054,021   

11,600,000   
12,654,021   

27,061,268   
63,672   
27,124,940   

7,102   
-   
-   
-   
27,132,042   

2,614,619   
23,435   
2,638,054   

-   
2,638,054   

Stockholders' equity 
Preferred stock, $0.001 par value; 5,000,000 shares authorized; Series A non-
voting convertible preferred stock: 0 and 44,000 issued and outstanding at 
December 31, 2014 and December 31, 2013, respectively 
Common stock, $0.001 par value; 50,000,000 shares authorized; 10,672,059 shares 
and 4,146,779 shares issued, and outstanding at December 31, 2014 and December 
31, 2013, respectively 
Additional paid-in capital 
Common stock issuable, 0 and 125,000 shares at December 31, 2014 and 
December 31, 2013 
Accumulated deficit 
Total stockholders' equity 
Total liabilities and stockholders' equity 

   $ 

-   

44   

10,672   
194,072,572   

-   
(135,512,072 ) 
58,571,172   
71,225,193   

   $ 

4,147   
135,844,320   

368,750   
(111,723,273 ) 
24,493,988   
27,132,042   

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

F-3 

 
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 

CONSOLIDATED STATEMENTS OF OPERATIONS 

Operating expenses: 

Research and development 
General and administrative 

Total operating costs and expenses 
Loss from operations 

Other income 

Interest income 
Total other income 
Net loss 

Net loss per share, basic and diluted 

Year Ened December 31, 

2014 

2013 

   $ 

10,716,737   
13,239,715   
23,956,452   
(23,956,452 ) 

15,029,078   
4,575,701   
19,604,779   
(19,604,779 ) 

167,653   
167,653   
(23,788,799 ) 

   $ 

201,020   
201,020   
(19,403,759 ) 

(3.40 ) 

   $ 

(5.00 ) 

   $ 

   $ 

   $ 

Weighted average common shares outstanding, basic and diluted 

6,998,875   

3,878,697   

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

F-4 

 
 
  
  
    
  
    
  
  
  
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
  
    
  
  
    
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 

CONSOLDATED STATEMENTS OF CHANGE IN STOCKHOLDERS’ EQUITY 

Balance as of December 31, 2012       2,586,870       $  2,587         

-   

  $ 

      Additional 

Common 
Stock 

      Accumulated     

Total 
Stockholders'    

Common Stock 

   Shares 

     Amount       Shares 

      Preferred Stock 
Amou
nt 

Paid-in 
Capital 
-       $ 110,127,113      $ 

     1,559,909         

1,560         

-   

-          19,203,054        

-         

-          44,000   

44         

5,169,956        

Issuable 

-       $ 

-         

-         

Deficit 
(92,319,514 )    $ 

Equity 
17,810,186   

-        

19,204,614   

-        

5,170,000   

-   
-   
-   
Balance as of December 31, 2013       4,146,779       $  4,147          44,000   

-         
-         
-         

-         
-         
-         

     2,051,472         

2,051         

     4,008,808         

4,009         

25,000         

25         

-   

-   

-   

Proceeds from common stock 
sold, net of costs 
Proceeds from preferred stock 
sold, net of costs 
Restricted stock granted to four 
employees 
Stock-based compensation 
Net loss 

Proceeds from common stock 
sold, net of costs 
Issuance of common stock for 
business combination 
Issuance of common stock in 
exchange for restricted stock 
units 
Conversion of preferred stock 
to common stock 
Fair value of options assumed 
Issuance of warrants for 
services 
Stock-based compensation 
Net loss 

-         

368,725        

(368,750 )      

440,000         
-         

440          (44,000 ) 
-   

-         

(44 )      
-         

(396 )      
758,948        

-         
-         

-        

-        
-        

-   

-   
758,948   

-         
-         
-         
Balance as of December 31, 2014      10,672,059       $  10,672         

-         
-         
-         

-   
-   
-   
-   

  $ 

679,447        
-         
-          10,637,494        
-         
-        
-       $ 194,072,572      $ 

-        
-         
-        
-         
-         
(23,788,799 )      
-       $  (135,512,072 )    $ 

679,447   
10,637,494   
(23,788,799 ) 
58,571,172   

-         
-         
-         

-        
1,344,197        
-        
44       $ 135,844,320      $ 

368,750         
-         
-         

-        
-        
(19,403,759 )      
368,750       $  (111,723,273 )      

368,750   
1,344,197   
(19,403,759 ) 
24,493,988   

  $ 

-          16,723,895        

-          29,060,139        

-         

-         

-        

16,725,946   

-        

29,064,148   

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

F-5 

 
  
  
  
  
    
  
     
     
    
     
    
  
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 

CONSOLIDATED STATEMENTS OF CASH FLOWS 

Year Ended Decmber 31, 

2014 

2013 

   $ 

(23,788,799 ) 

   $ 

(19,403,759 ) 

6,216   
1,712,947   
-   

(4,088 ) 
767,374   
(874,778 ) 
(17,796,088 ) 

(6,477 ) 
-   
-   
(6,477 ) 

24,374,614   
24,374,614   

6,572,049   
20,489,219   
27,061,268   

-   
-   
-   
-   
-   
-   
-   

-   
-   
-   

-   
-   

Cash flows from operating activities 
Net loss 
Adjustments to reconcile net loss to net cash used in operating activities: 
Depreciation and amortization 
Stock-based compensation 
Issuance of warrants for services 
Changes in assets and liabilities: 

Other current assets 
Accounts payable 
Accrued expenses 

Net cash used in operating activities 

Cash flows from investing activities 

Purchase of fixed assets 
Security deposits collected 
Cash acquired in business combination 
Net cash provided by (used in) investing activities 

Cash flows from financing activities 

Proceeds from issuance of common stock, net of cost 

Net cash provided by financing activities 

Net increase in cash 
Cash at the beginning of the period 
Cash at the end of the period 

Supplemental schedule of non-cash financing activities 
Assembly business combination 

Other current assets 
Equipment, net 
Intangible assets 
Goodwill 
Security deposits 
Accounts payable and accrued expenses 
Share exchange - business combination 
Fair value of vested options and restricted stock units assumed - in connection 
with 
business combination 
Deferred tax liability 

Cash acquired in business combination 

10,974   
10,637,494   
679,447   

(54,472 ) 
(2,481,917 ) 
23,771   
(14,973,502 ) 

(149,963 ) 
(81,999 ) 
509,363   
277,401   

16,725,946   
16,725,946   

2,029,845   
27,061,268   
29,091,113   

(23,540 ) 
(10,350 ) 
(29,000,000 ) 
(12,737,350 ) 
(16,606 ) 
874,113   
29,064,148   

   $ 

   $ 

   $ 

   $ 

758,948   
11,600,000   
509,363   

   $ 

   $ 

Issuance of common stock in exchange for restricted stock units 
Conversion of preferred stock to common stock 

368,750   
440   

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

F-6 

 
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 
Notes to Financial Statements 
December 31, 2014 and 2013 

Note 1 – Nature of Business 

Organization and business and basis of presentation 

Assembly  Biosciences,  Inc.  (“Assembly”  or  the  “Company”)  (formerly  known  as  Ventrus  Biosciences,  Inc.)  a  biopharmaceutical 
company committed to developing novel oral therapies for the cure of intractable infectious diseases, focusing on hepatitis B virus (HBV) 
and C. difficile-associated infections (CDAD). 

On  July  11,  2014,  the  Company’s  wholly-owned  subsidiary  merged  with  and  into  Assembly  Pharmaceuticals,  Inc.  (the  “Assembly 
Merger”),  with  Assembly  Pharmaceuticals,  Inc.  (“Assembly  Pharmaceuticals”)  as  the  surviving  entity.  In  connection  with  the  Assembly 
Merger, on July 11, 2014, the Company changed its name from Ventrus Biosciences, Inc. to Assembly Biosciences, Inc. 

The target of the Company’s lead program is a clinical cure for HBV, for which the Company is developing a series of new compounds, 
known  as  core  protein  allosteric modulators,  or  CpAMs,  with  the  potential  to  modulate  the  HBV core  protein—a  polyfunctional  essential 
viral protein-—at multiple complementary points in the viral lifecycle. 

The Company’s CDAD program is based on the targeted delivery of novel microbiome-based therapies in a proprietary oral formulation, 
applying the company’s novel coating and encapsulation technology that allows for targeted delivery of complex agents to select regions of 
the gastrointestinal, or GI, tract. Using this proprietary delivery platform, the Company aims to deliver several types of beneficial bacteria, in 
novel “synthetic formats’, to the GI tract. 

The  Company’s  consolidated  financial  statements  include  the  Company’s  accounts  and  the  accounts  of  the  Company’s  wholly-owned 
subsidiary,  Assembly  Pharmaceuticals,  from  the  date  of  Assembly  Merger.  All  intercompany  transactions  have  been  eliminated  in 
consolidation. The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the 
United States of America (“GAAP”). 

The Company’s Board of Directors and stockholders approved a 1-for-5 reverse stock split of the Company’s common stock. The reverse 
stock split became effective on July 11, 2014. All share and per share amounts in the consolidated financial statements and notes thereto have 
been retroactively adjusted for all periods presented to give effect to this reverse stock split, including reclassifying an amount equal to the 
reduction in par value of common stock to additional paid-in capital. 

Capital resources 

The Company has not derived any revenue from product sales to date as the products have not been approved for sale by the FDA or any 
foreign regulatory agency. Since inception, the Company’s operations have been financed primarily through the sale of equity securities, the 
proceeds  from  the  exercise  of  warrants  and  stock  options  and  issuance  of  debt.  The  Company  has  incurred  losses  from  operations  and 
negative cash flows since inception and expects to continue to incur substantial losses for the next several years as it continues its product 
development efforts. Management believes the Company currently has sufficient funds to meet its operating requirements for the next twelve 
months. If the Company cannot generate significant cash from its operations, it intends to obtain any additional funding it requires through 
strategic relationships, public or private equity or debt financings, or other arrangements and it cannot assure such funding will be available 
on reasonable terms, or at all. 

Note 2 - Summary of Significant Accounting Policies and Recent Accounting Pronouncements 

Cash and cash equivalents 

All highly liquid investments with maturities of three months or less at the time of purchase are considered to be cash equivalents. All of 
the  Company’s  cash  equivalents  have  liquid  markets  and  high  credit  ratings.  The  Company  maintains  its  cash  in  bank  deposit  and  other 
accounts, the balances of which, at times and at December 31, 2014, exceed federally insured limits. 

F-7 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
  
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 
Notes to Financial Statements 
December 31, 2014 and 2013 

Goodwill and Other Intangible Assets 

Goodwill is the excess of purchase price over the  fair  value of identified net assets of businesses  acquired. The Company’s intangible 
assets with an indefinite life are related to in-process research and development ("IPR&D") programs acquired in the Assembly Merger, as 
the Company expects future research and development on these programs to provide the Company with substantial benefit for a period that 
extends beyond the foreseeable  horizon. Intangible assets with indefinite useful lives are  measured at their respective fair  values as of the 
acquisition  date.  The  Company  does  not  amortize  goodwill  and  intangible  assets  with  indefinite  useful  lives.  Intangible  assets  related  to 
IPR&D  projects  are  considered  to  be  indefinite  lived  until  the  completion  or  abandonment  of  the  associated  R&D  efforts.  If  and  when 
development  is  complete,  which  generally  occurs  if  and  when  regulatory  approval  to  market  a  product  is  obtained,  the  associated  assets 
would be deemed finite lived and would then be amortized based on their respective estimated useful lives at that point in time. 

The Company reviews goodwill and indefinite-lived intangible assets at least annually for possible impairment. Goodwill and indefinite-
lived intangible assets are reviewed for possible impairment between annual tests if an event occurs or circumstances change that would more 
likely than not reduce the fair value of the reporting unit or the indefinite-lived intangible assets below their carrying values. The Company 
tests its goodwill and indefinite-lived intangible assets each year on December 31. The Company reviews the carrying value of goodwill and 
indefinite-lived intangible assets utilizing a discounted cash flow model, and, where appropriate, a market value approach is also utilized to 
supplement the discounted cash flow model. The Company makes assumptions regarding estimated future cash flows, discount rates, long-
term growth rates and market values to determine each reporting unit’s estimated fair value 

Impairment of Long-lived Assets 

The  Company  monitors  the  carrying  value  of  long-lived  assets  for  potential  impairment  and  tests  the  recoverability  of  such  assets 
whenever events or changes in circumstances indicate that the carrying amounts may not be recoverable. If a change in circumstance occurs, 
the Company performs a test of recoverability by comparing the carrying value of the asset or asset group to its undiscounted expected future 
cash  flows.  If  cash  flows  cannot  be  separately  and  independently  identified  for  a  single  asset,  the  Company  will  determine  whether 
impairment has occurred for the group of assets for which the Company can identify the projected cash flows. If the carrying values are in 
excess of undiscounted expected future cash flows, the Company measures any impairment by comparing the fair value of the asset or asset 
group to its carrying value. The Company deemed there was no impairment of long-lived assets during the years ended December 31, 2014 
and 2013. 

Business Combinations 

The  Assembly  Merger  (see  Note  3)  was  made  at  a  price  above  the  fair  value  of  the  assets  acquired  and  liabilities  assumed  including 
deferred tax liability, resulting in goodwill, based on the Company’s expectations of synergies and other benefits of combining the acquired 
business.  These  synergies  and  benefits  include  elimination  of  redundant  functions  and  staffing  and  use  of  the  Company’s  existing 
infrastructure to expand development of the product candidates of the acquired business in a cost efficient manner. 

Significant judgment is required in estimating the fair value of intangible assets and in assigning their respective useful lives. The  fair 
value estimates are based on available historical information and on future expectations and assumptions deemed reasonable by management, 
but which are inherently uncertain. 

Net assets acquired are recorded at their fair values on the date of acquisition. 

 Property and Equipment 

Property and equipment are stated at cost and consist of lab equipment and computer hardware and software. The Company computes 

depreciation under the straight-line method over the following estimated useful life of the related assets: 

•  Lab equipment 
•  Computer hardware and software  

3 to 5 years 
3 to 5 years 

Stock-based Compensation 

The Company’s share-based compensation cost is measured at grant date, using the Black-Scholes option pricing model to estimate the 
fair value of stock option, and is recognized as expense over the employee’s or director’s requisite service period on a straight-line basis. The 
Company  accounts  for  stock  options  granted  to  non-employees  on  a  fair  value  basis  which  is  estimated  using  the  Black-Scholes  option 
pricing model. The initial non-cash charge to operations for non-employee options and warrants with vesting are revalued at the end of each 
reporting period until vested and recognized as consulting expense over the related vesting period. 

F-8 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 
Notes to Financial Statements 
December 31, 2014 and 2013 

On April 5, 2013, the Company granted restricted stock units to four employees under the 2010 Plan for an aggregate of 100,000 shares 
of common stock. Of these units, 25% vested immediately at the grant date. The Company valued the restricted stock grant, 75% of which 
vests in three equal installments when the 20-day trading volume weighted average price of the Company’s common stock is at least $20.75, 
$25.75 and $30.75, using the Monte Carlo simulation model. The unvested 75% of the units were forfeited on July 10, 2014 and the holders 
received options. 

Warrants 

For the purpose of valuing the warrants (See Note 6), the Company used the Black-Scholes option pricing model utilizing the following 
assumptions: Volatility - 97.3%, risk free interest rate – 1.66%, term – 5 year, exercise price - $5.13, dividends – n/a. To determine the risk-
free interest rate, the Company utilized the U.S. Treasury yield curve in effect at the time of grant with a term consistent with the expected 
term of the Company’s awards. The Company estimated the expected life of the warrants based on the full term of the warrant. The expected 
dividend  yield  reflects  the  Company’s  current  and  expected  future  policy  for  dividends  on  its  common  stock.  The  expected  stock  price 
volatility for the Company’s stock was calculated by examining historical volatilities for publicly traded industry peers as the Company did 
not have any trading history for its common stock at the time the grants were issued. 

Research and Development Costs 

Research and development costs are expensed as incurred. Research and development costs include salaries and personnel-related costs, 
consulting fees,  fees paid for contract research services, fees paid to clinical research organizations and other third parties associated with 
clinical trials, the costs of laboratory equipment and facilities, and other external costs. 

Nonrefundable  advance  payments  for  goods  or  services  to  be  received  in  the  future  for use  in  research  and development  activities  are 

deferred and capitalized. The capitalized amounts are expensed as the related goods are delivered or the services are performed. 

Income taxes 

The  Company’s  income  tax  expense  consists  of  current  and  deferred  income  tax  expense  or  benefit.  Current  income  tax  expense  or 
benefit  is  the  amount  of  income  taxes  expected  to  be  payable  or  refundable  for  the  current  year.  Deferred  tax  assets  and  liabilities  are 
recognized for the future tax consequences attributable to temporary differences between the financial statement carrying amounts of existing 
assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply 
to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets 
and  liabilities  of  a  change  in  tax  rates  is  recognized  in  income  in  the  period  that  includes  the  enactment  date.  Valuation  allowances  are 
established when it is more likely than not that some or all of the deferred tax assets will not be realized. 

The Company had adopted the provisions that tax positions must meet a “more-likely-than-not” recognition threshold to be recognized. 
The Company has no unrecognized tax benefits recorded for the years ended December 31, 2014 and 2013. When an accrual for interest and 
penalties  is  required,  interest  and  penalties  will  be  recognized  in  tax  expense.  The  Company  files  income  tax  returns  in  the  U.S.  federal 
jurisdiction and in various states. There are currently no federal income tax examinations in process. The 2010 through 2014 tax years remain 
subject  to  examination  by  the  Internal  Revenue  Service  and  other  taxing  authorities  for  U.S.  federal  and  state/local  tax  purposes.  The 
Company does, however, have prior year net operating losses dating back to 2007, which are subject to examination. 

Loss per common share 

Basic net loss  per common share excludes dilution and is computed by dividing net loss by the weighted average number of common 
shares outstanding during the period. Diluted net loss per common share reflects the potential dilution that could occur if securities or other 
contracts  to  issue  common  stock  were  exercised  or  converted  into  common  stock  or  resulted  in  the  issuance  of  common  stock  that  then 
shared in the earnings of the entity unless inclusion of such shares would be anti-dilutive. Since the Company has only incurred losses, basic 
and diluted  net  loss per  share  is the  same.  Securities  that  could potentially  dilute  loss per  share  in  the  future  that  was  not  included  in  the 
computation of diluted loss per share at December 31, 2014 and 2013 are as follows: 

F-9 

  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
  
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 
Notes to Financial Statements 
December 31, 2014 and 2013 

Convertible preferred stock 
Non-vested restricted stock units 
Warrants to purchase common stock 
Options to purchase common stock 

Total 

Use of estimates 

As of December 31, 

2014 

-   
-   
270,761   
3,249,651   
3,520,412   

2013 

44,000   
75,000   
172,209   
467,698   
758,907   

The  preparation  of  financial  statements  in  conformity  with  accounting  principles  generally  accepted  in  the  United  States  of  America 
requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent 
assets and liabilities at the date of the financial statements and reported amounts of revenue and expenses during the reporting period. Actual 
results could differ from those estimates. 

Significant estimates inherent in the preparation of the accompanying financial statements include recoverability and useful lives of long-
lived assets, the valuation allowance related to the Company’s deferred tax assets and the fair value of stock options and warrants granted to 
employees, consultants, directors, investors, licensors, placement agents and underwriters. 

Certain  of  the  Company’s  estimates,  including  the  carrying  amount  of  the  intangible  assets,  could  be  affected  by  external  conditions, 
including those unique to the Company and general economic conditions. It is reasonably possible that these external factors could have an 
effect on the Company’s estimates and could cause actual results to differ from those estimates and assumptions. 

Concentrations of Credit Risk 

Financial  instruments  which  potentially  subject  the  Company  to  credit  risk  consist  primarily  of  cash,  cash  equivalents  and  marketable 
securities. The Company holds these investments in highly rated financial institutions, and, by policy, limits the amounts of credit exposure 
to any one financial institution. These amounts at times may exceed federally insured limits. The Company has not experienced any credit 
losses in such accounts and does not believe it is exposed to any significant credit risk on these funds. The Company has no off-balance sheet 
concentrations of credit risk, such as foreign currency exchange contracts, option contracts or other hedging arrangements. 

Recent Accounting Pronouncements 

In  May  2014,  the  Financial  Accounting  Standards  Board  (“FASB”)  issued  Accounting  Standards  Update  (“ASU”)  2014-09,  Revenue 
from Contracts with Customers (Topic 606). The ASU provides for a single comprehensive model for use in accounting for revenue arising 
from contracts with customers and supersedes most current revenue recognition guidance. The accounting standard is effective for interim 
and annual periods beginning after December 15, 2016 with no early adoption permitted. 

In June 2014, the FASB issued ASU 2014-10,  Development Stage Entities (Topic 915) — Elimination of Certain Financial Reporting 
Requirements, Including an Amendment to Variable Interest Entities Guidance in Topic 810, Consolidation. The amendments in this update 
remove the definition of a development stage entity from the Master Glossary of the Accounting Standards Codification, thereby removing 
the financial reporting distinction between development stage entities and other reporting entities from GAAP. In addition, the amendments 
eliminate the requirements for development stage entities to (1) present inception-to-date information in the statements of income, cash flows 
and shareholder equity, (2) label the financial statements as those of a development stage entity, (3) disclose a description of the development 
stage activities in which the entity is engaged, and (4) disclose in the first year in which the entity is no longer a development stage entity that 
in  prior  years  it  had  been  in  the  development  stage.  A  public  entity  is  required  to  apply  the  amendments  for  annual  reporting  periods 
beginning after December 15, 2014, and interim periods therein. An entity should apply the amendments retrospectively for all comparative 
periods presented. Early adoption is permitted. The guidance was adopted by the Company in the second quarter of 2014. Adoption of this 
standard did not have a material impact on the Company’s financial position, statement of operations, or statement of cash flows. 

In June 2014, the FASB issued ASU 2014-12, Compensation-Stock Compensation (Topic 718). The  ASU clarifies how entities should 
treat performance targets that can be achieved after the requisite service period of a share-based payment award. The accounting standard is 
effective for interim and annual periods beginning after December 15, 2015. 

F-10 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
  
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 
Notes to Financial Statements 
December 31, 2014 and 2013 

The  FASB  has  issued  ASU  2014-15,  Presentation  of  Financial  Statements-Going  Concern  (Subtopic  205-40):  Disclosure  of 
Uncertainties about an Entity’s Ability to Continue as a Going Concern. The guidance, which is effective for annual reporting periods ending 
after  December  15,  2016,  with  early  adoption  permitted,  extends  the  responsibility  for  performing  the  going-concern  assessment  to 
management and contains guidance on how to perform a going-concern assessment and when going-concern disclosures would be required 
under GAAP. The Company is currently evaluating the impact of this ASU on its consolidated financial statements. 

Accounting standards that have been issued by the FASB or other standards-setting bodies that do not require adoption until a future date 

are not expected to have a material impact on the Company’s financial statements upon adoption. 

Note 3 - Assembly Pharmaceuticals, Inc. Transaction 

On July 11, 2014, the Company completed the Assembly Merger, whereby Assembly Pharmaceuticals became the Company’s wholly-
owned subsidiary. Pursuant to the terms of the Assembly Merger, the shares of Assembly Pharmaceuticals were converted into an aggregate 
of 4,008,848 shares of the Company’s common stock. Also pursuant to the terms of the Assembly Merger, the options to purchase shares of 
Assembly  Pharmaceuticals  were  assumed  by  the  Company  and  became  exercisable  for  an  aggregate  of  621,651  shares  of  the  Company’s 
common stock. 

The allocation of the purchase price to the Assembly balance sheet is shown below: 

Cash and cash equivalents 
Other current assets 
Equipment, net 
IPR&D 
Goodwill 
Security deposits 
Total assets 

Accrued expenses 
Deferred tax liability 
Total liabilities 
Net assets acquired 

   $ 

   $ 

509,363   
23,540   
10,350   
29,000,000   
12,737,350   
16,606   
42,297,209   

874,113   
11,600,000   
12,474,113   
29,823,096   

The  transaction  was  accounted  for  using  the  acquisition  method.  Accordingly,  goodwill  has  been  measured  as  the  excess  of  the  total 

consideration over the amounts assigned to the identifiable assets acquired and liabilities assumed including the related deferred tax liability. 

On  the  acquisition  date,  the  fair  value  of  net  assets  acquired  was  $29,823,096.  The  fair  value  of  stock  issued  to  the  Assembly 
Pharmaceuticals shareholders as part of the consideration of $29,064,148 was based on reference to quoted market values of the Company’s 
common stock as of the date of acquisition. The options assumed in the Assembly Merger were valued at approximately $758,948. 

The fair value of the net assets acquired in the Assembly Merger is preliminary and is subject to change over the upcoming periods. The 
following table presents the unaudited pro forma financial results, as if the Assembly Merger had been completed as of January 1, 2013 and 
2014. 

Pro Forma  

Revenues 
Net loss 
Loss per share - basic and diluted 

Note 4 - Goodwill 

For the Years Ended December 31, 

2014 

-   
(26,352,751 ) 
(2.90 ) 

   $ 

   $ 

2013 

-   
(20,347,860 ) 
(2.58 ) 

   $ 

   $ 

In  July  2014,  the  Company  completed  its  acquisition  of  Assembly  Pharmaceuticals  (Note  3).  The  fair  value  of  consideration  paid, 
common  stock  and  assumed  options,  totaled  $29,823,096,  which,  net  of  amounts  allocated  to  assets  and  liabilities  acquired  at  fair  value, 
resulted in an allocation to goodwill of $12,737,350. The Company only has one operating segment. 

Goodwill is recorded as an indefinite-lived asset and is not amortized for financial reporting purposes but is tested for impairment on an 
annual basis or when indications of impairment exist. No goodwill impairment losses have been recognized. Goodwill is not deductible for 
income tax purposes since the tax basis is $0. The Company will perform its annual impairment test of the carrying value of the Company’s 
goodwill each year on December 31. 

F-11 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 
Notes to Financial Statements 
December 31, 2014 and 2013 

No goodwill existed as of December 31, 2013. The change in the net book value of goodwill from December 31, 2013 to December 31, 

2014 is shown in the table below: 

As of December 31, 2013 

Acquisitions 

As of December 31, 2014 

Note 5 - Intangible assets, net 

   $ 

   $ 

-   
12,737,350   
12,737,350   

In July 2014, the Company completed its acquisition of Assembly Pharmaceuticals (Notes 1 and 3). The Company acquired in-process 

research and development related to Assembly Pharmaceuticals’ technology which is an indefinite lived intangible asset. 

No intangible assets existed as of December 31, 2013. The change in intangible assets from December 31, 2013 to December 31, 2014 is 

shown in the table below: 

As of December 31, 2013 
Acquisitions - IPR&D 
As of December 31, 2014 

Note 6 - Stockholders’ Equity 

Common and Preferred Stock Transactions 

   $ 

   $ 

-   
29,000,000   
29,000,000   

In  January  2014,  the  Company  sold  an  aggregate  of  92,472  shares  of  its  common  stock  in  its  amended  at-the-market  common  equity 

offering program, resulting in net proceeds of approximately $1,763,000 or $19.07 per share. 

In  February  2014,  all  44,000  outstanding  shares  of  the  Company’s  Series  A  non-voting  convertible  preferred  stock  converted  into  an 

aggregate 440,000 shares of common stock. 

In July 2014, the Company issued 25,000 shares of common stock upon vesting of the restricted stock units. 

On  October  6,  2014,  the  Company  sold  to  various  institutional  investors  an  aggregate  of  1,959,000  shares  of  common  stock  in  a 
registered direct offering. The purchase price paid by the investors was $8.04 per share and an aggregate of approximately $14,963,000 in net 
proceeds  were  received.  In  connection  with  the  offering,  the  Company  entered  into  a  placement  agent  agreement  with  William  Blair  & 
Company, L.L.C., who acted as sole placement agent in the offering, and pursuant to which the Company paid a placement agent fee equal to 
5.0% of the gross proceeds of the offering. 

Reverse Stock Split 

The Company’s Board of Directors and stockholders approved a 1-for-5 reverse stock split of the Company’s common stock. The reverse 
stock split became effective on July 11, 2014. All share and per share amounts in the consolidated financial statements and notes thereto have 
been retroactively adjusted for all periods presented to give effect to this reverse stock split, including reclassifying an amount equal to the 
reduction in par value of common stock to additional paid-in capital. 

Assembly Merger 

On July 11, 2014, the Company completed the Assembly Merger, whereby Assembly Pharmaceuticals became the Company’s wholly-
owned  subsidiary.  Pursuant  to  the  terms  of  the  Assembly  Merger,  the  shares  of  Assembly  Pharmaceuticals,  common  stock  issued  and 
outstanding  were  converted  into  an  aggregate  of  4,008,848  shares  of  the  Company’s  common  stock.  Also  pursuant  to  the  terms  of  the 
Assembly Merger, the options to purchase shares of Assembly Pharmaceuticals common stock issued and outstanding immediately prior to 
the Assembly Merger were assumed by the Company and became exercisable for an aggregate of 621,651 shares of the Company’s common 
stock. The fully vested assumed options in the Assembly Merger were valued at $758,948 using the Black-Scholes model. The fair value of 
the  options  was  recorded  as  a  component  of  stockholders’  equity.  The  fair  value  of  the  options  was  determined  using  the  Black-Scholes 
model  with the  following assumptions: risk free interest rate - 1.66% - 2.15%, volatility - 97.33% - 102.8%, expected term 5 -  6.1 years, 
expected dividends- N/A. 

F-12 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 
Notes to Financial Statements 
December 31, 2014 and 2013 

Options, Warrants and Restricted Stock Units: 

Options 

The  Company  has  two  equity  incentive  plans  available  for  the  granting of  equity  awards.  In  July  2014,  the  stockholders  approved  the 
2014 Stock Incentive Plan, under which, as of December 31, 2014, there were options for an aggregate of 2,560,000 shares of common stock 
outstanding and no shares available for grant. 

Prior to July 10, 2014, the Company’s stockholders had approved the 2010 Stock Plan. The Company also had outstanding on July 10, 
2014, options  to purchase  403  shares  of  common  stock  issued  pursuant  to  its 2006  Stock  Plan  which  plan  was  terminated  in  2010.  From 
January 1, 2014 to July 10, 2014, an aggregate of 57,953 options were forfeited and on July 10, 2014, all of the Company’s directors and 
employees  forfeited  an  additional  aggregate  of  514,445  options.  Through  July  10,  2014,  an  aggregate  of  122,700  options  to  acquire  the 
Company’s Common Stock was granted to employees. Also on July 10, 2014, Company’s stockholders approved the 2014 Stock Incentive 
Plan,  under  which  an  aggregate  of  2,560,000  shares  of  the  Company’s  common  stock  is  reserved  for  the  issuance  of  equity  awards  to 
employees,  directors  and  consultants  of  the  Company  and  its  subsidiaries.  On  July  10,  2014,  the Company  granted  all  of  these  options  to 
various  employees  and  directors  with  an  exercise  price  of  $7.20  and  which  vest  one  third  on  the  date  of  grant,  one  third  on  the  first 
anniversary of the option grant date and one third on the second anniversary of the option grant date. The cancellation and reissuance of these 
stock  options  was  treated  as  a  modification  and,  accordingly,  total  stock-based  compensation  expense  related  to  these  awards  increased 
$15,003,740,  which  will  be  recognized  over  the  new  vesting  period.  The  options  assumed  on  the  Assembly  Merger  are  outside  the 
Company’s stock option plans. 

On  July  10,  2014,  Dr.  Felder  ceased  to  be  a  director  and  11,800  options  vested  on  July  10,  2014.  These  11,800 options  subsequently 

expired 90 days after termination of his board service in 2014. 

A summary of the Company’s option activity under its option plans and related information is as follows: 

Outstanding as of December 31, 2013 
Assumed 
Granted 
Forfeited 
Expired 
Outstanding as of December 31, 2014 
Options vested and exercisable 

     Number of Shares    
467,698   
621,651   
2,750,700   
(590,398 )    
(11,800 )    

   $ 

3,249,651   
1,086,425   

   $ 
   $ 

   Weighted Average    
Exercise Price 

Total Intrinsic 
Value 

29.35   
2.22   
7.75   
26.84   
7.20   
6.26   
6.17   

   $ 

   $ 
   $ 

-   
3,506,112   
1,689,600   
-   
-   
5,187,924   
1,832,125   

The Company expects that all outstanding unvested options will vest. The fair value of the options granted for the year ended December 

31, 2014 and 2013, was based on the following assumptions: 

Exercise price 
Expected stock price volatility 
Risk-free rate of interest 
Term (years) 

Year ended December 31, 

2014 
$2.22 - $8.13 
94.37% - 105.03% 
1.65% - 2.53% 
4.9 - 10.0 

2013 
$12.35 - $16.55 
59.32% - 77.34% 
1.23% - 2.34% 
7 

F-13 

 
  
  
  
  
  
  
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 
Notes to Financial Statements 
December 31, 2014 and 2013 

Estimated future employees’ stock-based compensation expense relating to unvested stock options is as follows: 

2015 
2016 
2017 
Total 

Future Stock 
Option 
Compensation 
Expenses 

6,280,264   
1,703,957   
34,943   
8,019,164   

   $ 

The weighted average remaining contractual life of options outstanding at December 31, 2014 is approximately 9.5 years. 

Stock-based  compensation  expensed  to  research  and  development  expense  for  the  years  ended  December  31,  2014  and  2013  was 
$2,707,337  and  $695,636,  respectively.  Stock-based  compensation  expensed  to  general  and  administrative  expense  for  the  years  ended 
December 31, 2014 and 2013 was $7,930,157 and $1,017,311, respectively. 

Warrants 

In connection with the Company’s financings from 2007 to 2010, the Company issued warrants to investors and/or placement agents, as 
well as certain consultants, to purchase shares of common stock. In connection with the Assembly Merger, the Company issued warrants to 
purchase up to 120,265 shares of its common stock to its financial advisor for the Assembly Merger. The warrants were valued at $679,447 
and expensed during the quarter ended September 30, 2014. 

A summary of the Company’s warrant activity and related information is as follows: 

Outstanding as of December 31, 2013 
Issued 
Expired 
Outstanding as of December 31, 2014 
Exercisable as of December 31, 2014 

Restricted Stock Units 

   Warrants 

Weighted  
Average Exercise 
Price 

172,209   
120,265   
(21,713 ) 
270,761   
270,761   

   $ 

   $ 
   $ 

38.85   
5.13   
33.00   
24.34   
24.34   

On April 5, 2013, the Company granted restricted stock units to four employees under the 2010 Plan for an aggregate of 100,000 shares 
of common stock. Of these units, 25% vested immediately at the grant date. The remaining 75% of the units were forfeited on July 10, 2014 
and the holders received options (see options above). 

A summary of the status of our restricted stock units as of December 31, 2014 is as follows: 

Outstanding as of December 31, 2013 
Forfeited 
Outstanding as of December 31, 2014 

Number of 
Shares 

Weighted 
Average 
Exercise 
Price 

75,000   
(75,000 ) 
-   

   $ 

   $ 

10.20   
10.20   
-   

F-14 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 
Notes to Financial Statements 
December 31, 2014 and 2013 

Note 7 - Income Taxes 

There was no current or deferred income tax provision for the years ended December 31, 2014 and 2013. 

The Company’s deferred tax assets as of December 31 consist of the following: 

Deferred tax assets: 

Net-operating loss carryforward 
Stock-based compensation 
In-Process R&D 
R&D credit 
Other 

Total Deferred Tax Assets 
Valuation allowance 
Deferred Tax Asset, Net of 

In-process research and development (Assembly 
Merger) 

Deferred Tax Liability 

As of December 31, 

2014 

2013 

   $ 

38,094,000   
11,691,000   
5,697,000   
2,600,000   
2,000   

32,193,000   
6,617,000   
6,017,000   
2,149,000   
-   

58,084,000   
(58,084,000 ) 
-   

   $ 

46,976,000   
(46,976,000 ) 
-   

11,600,000   
11,600,000   

   $ 

-   
-   

   $ 

   $ 

   $ 

The Company recognized a $11,600,000 deferred tax liability in 2014 as a result of the acquisition of Assembly Pharmaceuticals in July 
2014.  Due  to  the  acquisition,  a  temporary  difference  between  the  book  fair  value  and  the  tax  basis  of  the  other  in-process  research  and 
development acquired created an approximately $11,600,000 deferred tax liability and additional goodwill was recorded.  

At  December  31,  2014,  the  Company  had  potentially  utilizable  gross  Federal  net  operating  loss  carry-forwards  of  approximately 
$86,551,323, State  net  operating  loss  carry-forwards  of  approximately  $79,958,236  and  research  and development  credit  carry  forward  of 
approximately $2,600,174, all of which expire between 2027 and 2031. 

An ownership change under Internal Revenue Code (“IRC”) Section 382 could have occurred due to common stock issued in the IPO and 
debt conversions in December 2010 and also in the Assembly Merger in July 2014. Due to the change in ownership provisions of the IRC, 
the availability of the Company’s net operating loss carry forwards could be subject to annual limitations against taxable income in future 
periods,  which  could  substantially  limit  the  eventual  utilization  of  such  carry  forwards.  As  of  now,  the  Company  has  not  analyzed  the 
historical or potential impact of its equity  financings on beneficial ownership. The Company  will  undertake to perform  an IRC 382 study 
within the next year to determine the extent of a limitation. The effects of the study could cause a significant reduction in the deferred tax 
asset with an offsetting reduction in the valuation allowance. 

Statutory Federal Income Tax Rate 
State Taxes, Net of Federal Tax Benefit 
Change in Valuation Allowance 

Income Taxes Provision (Benefit) 

For the years ended December 31, 

2014 

2013 

(34.0 )% 
(11.0 )% 
45.0 % 

0.0 % 

(34.0 )% 
(11.0 )% 
45.0 % 

0.0 % 

F-15 

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
    
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 
Notes to Financial Statements 
December 31, 2014 and 2013 

Note 8 - License Agreements 

HBV Research Agreement with Indiana University 

The Company, through its wholly-owned subsidiary, Assembly Pharmaceuticals, is party to a license agreement with Indiana University 
Research and Technology Corporation (“IURTC”) from whom it has licensed the Company’s HBV therapy. The license agreement requires 
the  Company  to  make  milestone  payments  based  upon  the  successful  accomplishment  of  clinical  and  regulatory  milestones  related  to  the 
HBV therapy. The total amount of all potential future milestone payments at December 31, 2014 is $825,000. The Company also is obligated 
to pay IURTC royalty payments based on net sales of the licensed technology. The Company is also obligated to pay diligence maintenance 
fees  (starting  at  $25,000  in  2014  and  rising  to $100,000  in  the  year  following  first  commercial  sale  of  licensed  product)  each  year  to  the 
extent that the royalty, sublicensing, and milestone payments to IURTC are less than the diligence maintenance fee for that year. 

Microbiome Targeted Colonic Delivery Platform 

On  November  8,  2013,  Assembly  entered  into  a  License  and  Collaboration  Agreement  with  Therabiome,  LLC,  for  all  intellectual 
property  and  know-how  owned  or  controlled  by  Therabiome  relating  to  the  oral  delivery  of  pharmaceutical  drugs  to  specific  sites  in  the 
intestine, using a pH sensitive controlled release platform technology. Under the agreement, Therabiome granted to Assembly the exclusive 
worldwide  license,  with  rights  to  sublicense,  to develop  the  intellectual  property  for  commercialization  (a)  in  the  use  of  bacteria,  viruses, 
proteins  and  small  molecules  by  oral  delivery  in  (i)  gastro-  intestinal  dysbiosis,  including  but  not  limited  to  C.  difficile,  irritable  bowel 
syndrome-constipation and inflammatory bowel disease, (ii) auto-immune disorders and autism, including but not limited to as controlled by 
bacteria  or  virus,  and  (iii)  orally  delivered  vaccines,  including  viral  and  bacterial,  and  (b)  any  oral  delivery  of  small  molecules  using  the 
licensed intellectual property. Assembly will be solely responsible for all research and development activities with respect to any product it 
develops under the license. 

For the license, Assembly paid Therabiome an upfront non-refundable license fee of $300,000. Assembly must pay Therabiome clinical 
and regulatory milestones for each product or therapy advanced from the platform for U.S. regulatory milestones. Assembly also must pay 
Therabiome  lesser  amounts  for  foreign  regulatory  milestones,  which  vary  by  country  and  region.  Assembly  also  must  pay  Therabiome 
royalties on annual net sales of a product in the low to mid-single digit percentages plus, once annual net sales exceed two certain thresholds, 
a one-time cash payment upon reaching each threshold. 

Therabiome must pay Assembly royalties on annual net sales of any product it develops, using the intellectual property, in the low double 

to mid-double digit percentages, depending on the level of development or involvement Assembly had in the product. 

Diltiazem (VEN 307) and Phenylepherine (VEN 308) 

The  Company  had  an  exclusive  royalty-bearing  license  agreement  with  S.L.A.  Pharma,  AG  (“S.L.A.  Pharma”)  to  sell,  make  and  use 
diltiazem  (VEN  307)  for  treatment,  through  topical  administration,  of  anal  fissures  and  phenylepherine  (VEN  308)  for  treatment,  through 
topical  administration,  of  fecal  incontinence  (referred  to  collectively  as  the  “Compound  Technologies”)  in  the  United  States,  Canada  and 
Mexico.  In  the  event  that  the  Compound  Technologies  were  commercialized,  Assembly  was  obligated  to  pay  to  S.L.A.  Pharma  annual 
royalties, based upon net sales of the products. In addition, Assembly was required to make payments to S.L.A. Pharma up to an aggregate 
amount of $20 million upon the achievement of various milestones related to regulatory events. 

On July 24, 2014, the Company notified S.L.A. Pharma that it was terminating the license agreement. The termination was effective on 
October 22, 2014. There were no early termination penalties as a result of the termination and the Company has no continuing obligation to 
make payment to S.L.A. Pharma under the agreement. The Company terminated the agreement to focus on the development of its potentially 
curative programs for HBV, which program was acquired on July 11, 2014 in the merger with Assembly Pharmaceuticals, Inc., and CDAD, 
which was licensed in November 2013 from Therabiome, LLC. 

F-16 

  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 
Notes to Financial Statements 
December 31, 2014 and 2013 

Note 9 - Commitments and Contingencies 

Lease 

As of December 31, 2014, the Company had offices in New York, NY with an $8,400 monthly payment. The lease expires in September 

2015. 

In  January  2015,  the  Company  entered  into  a  lease  in  San  Francisco,  CA  with  an  $36,145  monthly  payment.  The  lease  expires  in 

December 2016. 

Employment agreements 

On  January  15,  2014,  the  Company  entered  into  an  employment  agreement  with  each  of  its  Chief  Executive  Officer  and  its  Chief 
Financial Officer, with an effective date of December 22, 2013. Each agreement has a term of two years and will be automatically extended 
for  additional  one-year  periods  unless  the  Company  notifies  the  officer  at  least  180  days  prior  to  the  then  current  expiration  date  that  it 
intends to not extend the employment agreement. The employment agreements provide for a base salary of $475,000 per year for the Chief 
Executive Officer and $300,000 for the Chief Financial Officer, and an annual discretionary bonus of up to 50% of the officer’s base salary 
based  on  financial,  clinical development  and business  milestones  established  by  the  Board  of  Directors.  In  connection  with  the  Assembly 
Merger,  the  Company  amended  the  Chief  Executive  Officer’s  employment  agreement.  Pursuant  to  the  amendment,  the  Chief  Executive 
Officer will continue to serve as the Company’s Chief Executive Officer. However, after the Assembly Merger, at any time the Company’s 
Board  may  appoint  the  Company’s  President  and  Chief  Operating  Officer  as  Chief  Executive  Officer.  In  such  event,  the  Chief  Executive 
Officer  will  become  the  Executive  Chair,  and his  employment  as  Chief  Executive  Officer  will  end.  In  December  2014,  the  compensation 
committee approved a change of base salary to $350,000 per year for the Chief Financial Officer. 

In connection with the Assembly Merger, effective July 11, 2014, the Company entered into employment agreements with its President 
and Chief Operating Officer, its Chief Medical Officer, and its Chief Scientific Officer. The President’s employment agreement has a term of 
two  years  and  will  be  automatically  extended  for  additional one-year  periods  unless  the  Company  notifies  the  President  at  least  180 days 
prior  to  the  then  current  expiration  date  that  it  intends  to  not  extend  the  employment  agreement.  The  other  two  employment  agreements 
provide for at-will employment, subject to payment of severance benefits depending on the circumstances of termination. The employment 
agreements provide for a base salary of $350,000 per year for the President, $290,000 per year for the Chief Medical Officer and $315,000 
per year for the Chief Scientific Officer. Each employee is also eligible for an annual discretionary bonus based on achievement of financial, 
clinical development and business milestones established by the Board of Directors, with the President eligible for a bonus of up to 50% of 
his  base  salary,  and  the  Chief  Medical  Officer  and  the  Chief  Scientific  Officer  eligible  for  a  bonus  of  up  to  30%  of  their  respective  base 
salaries.  The  President  and  the  Chief  Medical  Officer  also  received  a  retention  bonus  payable  after  three  months  of  employment  in  the 
amount of $150,000 and $100,000, respectively. 

Litigation 

In June 2012, the Company announced that its product iferanserin (VEN 309), failed to meet its end point at the completion of its Phase 
III clinical trial. In May 2013 two purported class action lawsuits alleging violations of the federal securities laws were filed in New York 
against the Company, two of its executive officers and the lead underwriter of its initial public offering. The lawsuits included allegations 
that, during the class period between December 17, 2010 and June 25, 2012, the Company and its executive officers and underwriter made 
various  statements  related  to  the  Company’s  product,  iferanserin  (VEN 309),  including  but not  limited  to,  the  market  for  the  product,  the 
potential competitors, and the results of clinical trials, thereby inflating the price of our common stock. The complaints sought unspecified 
damages, interest, attorneys’ fees, and other costs. On July 23, 2013, the Court consolidated the actions and appointed lead plaintiffs and lead 
counsel.  On  September  16,  2013,  lead  plaintiffs  filed  a  consolidated  amended  complaint.  On  November  22,  2013,  the  Company  filed  a 
motion to dismiss the consolidated amended complaint (the “Motion to Dismiss”). 

On May 5, 2014, the Court granted the Motion to Dismiss and dismissed the class action with prejudice. 

On May 19, 2014, lead plaintiffs filed a Motion for Reconsideration of the Court’s order dismissing the class action with prejudice (the 
“Motion for Reconsideration”). On July 2, 2014, the Court entered an order denying the Motion for Reconsideration. Lead plaintiffs had until 
August 2, 2014 to file notice of an appeal, but no appeal was filed. 

F-17 

 
  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
ASSEMBLY BIOSCIENCES, INC. AND SUBSIDIARY 
(formerly Ventrus Biosciences, Inc.) 
Notes to Financial Statements 
December 31, 2014 and 2013 

Note 10- Subsequent Event 

On February 10, 2015, the Company named Mr. Small its Chief Executive Officer, in addition to his current position as President, and 
named  Mr.  Barrett  its  Chief  Operating  Officer,  in  addition  to  his  current  role  as  Chief  Financial  Officer.  In  his  new  position,  Mr.  Small 
received  a  20%  salary  increase,  bringing  his  salary  to  $420,000,  and  for  his  additional  responsibility,  Mr.  Barrett  receive  a  3%  salary 
increase, bring his salary to $360,500. As had been agreed during the Assembly Merger, Mr. Small succeeded Dr. Ellison as the Company’s 
Chief Executive Officer. At the same time, the Company’s current director William Ringo succeeded Dr. Ellison as Chairman. Dr. Ellison 
will continue to serve the Company as a director until the 2015 annual meeting, and he will also continue as a Senior Advisor and head of the 
Company’s  microbiome  development  program.  The  succession  constitutes  a  “termination  without  cause”  under  Dr.  Ellison’s  employment 
agreement. As a result, subject to Dr. Ellison signing a release agreement and the passage of the required revocation period provided therein, 
Dr. Ellison will be entitled to 12 months of salary, immediate vesting of an additional one third of his outstanding options an extension of the 
exercise period (which would otherwise have been shortened to 90 days subsequent to his termination) to the option expiration date of July 
10,  2024,  and  reimbursement  of  COBRA  premiums  for  12  months  or  until  he  is  eligible  for  insurance  benefits  from  another  employer, 
whichever is earlier. 

F-18 

  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
CORPORATE INFORMATION 

Directors 
Anthony Altig 
Chief Financial Officer, Biotix Holdings, Inc.  

Officers 
Derek A. Small 
President and Chief Executive Officer 

Mark Auerbach 
Director, RCS Capital Corporation 

David J. Barrett, C.P.A. 
Chief Financial Officer and Chief Operating Officer 

Richard DiMarchi 
Cox Distinguished Professor of Biochemistry,  
Indiana University 

Uri Lopatin, M.D. 
Chief Medical Officer and Vice President of 
Research and Development 

Russell H. Ellison, M.D., M.Sc. 
Consultant, Assembly Biosciences, Inc. 

Lee D. Arnold, M.D. 
Chief Scientific Officer 

Myron Z. Holubiak 
President, Leonard & Meron Biosciences, Inc. 

William Ringo 
Senior Advisor, Barclays Capital 

Derek A. Small 
President and Chief Executive Officer, 
Assembly Biosciences, Inc. 

Headquarters 
99 Hudson Street, 5th Floor 
New York, New York 10013 
212.554.4506 

Website 
www.assemblybio.com 

Transfer Agent 
VStock Transfer, LLC 
18 Lafayette Place 
Woodmere, New York 11598 
212.828.8436 

Stock Listing 
Assembly Biosciences, Inc. common stock is listed on the Nasdaq Capital Market and quoted under the 
symbol “ASMB”