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Xenetic Biosciences, Inc.

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FY2021 Annual Report · Xenetic Biosciences, Inc.
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

Form 10-K

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.
For the fiscal year ended December 31, 2021

TRANSITION REPORTS PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.
For the transition period from to

Commission File Number: 001-37937

XENETIC BIOSCIENCES, INC.
(Exact name of registrant as specified in its charter)

Nevada
(State or other jurisdiction of
incorporation or organization)

45-2952962
(IRS Employer
Identification No.)

40 Speen Street, Suite 102
Framingham, MA 01701
(Address of principal executive offices and zip code)

781-778-7720
(Registrant’s telephone number, including area code)

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

Title of each class

 Common Stock, $0.001 par value per share
 Purchase Warrants

Trading Symbol(s)
XBIO
XBIOW

Name of each exchange on which registered
The Nasdaq Capital Market
The 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 ☐ No ☒

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

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12
months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days: Yes ☒ No ☐

Indicate  by  check  mark  whether  the  registrant  has  submitted  electronically  every  Interactive  Data  File  required  to  be  submitted  pursuant  to  Rule  405  of  Regulation  S-T  (§
232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files): Yes ☒ No ☐

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

Large accelerated filer
Non-accelerated filer

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☒

Accelerated filer
Smaller reporting company
Emerging growth company

☐
☒
☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial
accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial
reporting under Section 404(b) of the Sarbanes-Oxley Act by the registered public accounting firm that prepared or issued its audit report. ☐

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

The aggregate market value of the voting and non-voting common stock held by non-affiliates of the registrant as of June 30, 2021, the last business day of the registrant’s most
recently completely second fiscal quarter, based upon the closing price of the registrant’s common stock on the Nasdaq Capital Market on that date of $2.04, was approximately
$17,462,218. For purposes of this computation, all officers, directors, and 10% beneficial owners of the registrant are deemed to be affiliates. Such determination should not be
deemed to be an admission that such officers, directors or 10% beneficial owners are, in fact, affiliates of the registrant.

As of March 18, 2022, the number of outstanding shares of the registrant’s common stock was 13,441,296.

DOCUMENTS INCORPORATED BY REFERENCE

Information  required  in  response  to  Part  III  of  Form  10-K  (Items  10,  11,  12,  13  and  14)  is  hereby  incorporated  by  reference  to  portions  of  the  registrant's  definitive  proxy
statement, information statement or an amendment to this Annual Report on Form 10-K for its 2022 Annual Meeting of Stockholders. The registrant intends to file a definitive
proxy statement, information statement or an amendment to this Annual Report on Form 10-K with the Securities and Exchange Commission no later than 120 days after the
end of the registrant's fiscal year ended December 31, 2021.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
XENETIC BIOSCIENCES, INC.
2021 ANNUAL REPORT ON FORM 10-K

TABLE CONTENTS

PART I

Item 1

  Business

Item 1A

  Risk Factors

Item 1B

  Unresolved Staff Comments

Item 2

  Properties

Item 3

  Legal Proceedings

Item 4

  Mine Safety Disclosures

PART II

Item 5

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

Item 6

  [Reserved]

Item 7

  Management’s Discussion and Analysis of Financial Condition and Results of Operations

Item 7A

  Quantitative and Qualitative Disclosures About Market Risk

Item 8

  Financial Statements and Supplementary Data

Item 9

  Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

Item 9A

  Controls and Procedures

Item 9B

  Other Information

Item 9C

  Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

PART III

Item 10

  Directors, Executive Officers and Corporate Governance

Item 11

  Executive Compensation

Item 12

  Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

Item 13

  Certain Relationships and Related Transactions, and Director Independence

Item 14

  Principal Accounting Fees and Services

PART IV

Item 15

  Exhibits and Financial Statement Schedules

Item 16

  Form 10-K Summary

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CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This  Annual  Report  on  Form  10-K  (“Annual  Report”)  contains  forward-looking  statements  within  the  meaning  of  Section  21E  of  the  Securities  Exchange Act  of  1934,  as
amended (the “Exchange Act”), and Section 27A of the Securities Act of 1933, as amended. All statements contained in this Annual Report other than statements of historical
fact, including statements regarding our future results of operations and financial position, our business strategy and plans, future revenues, projected costs, prospects and our
objectives for future operations, are forward-looking statements. These forward-looking statements include, but are not limited to, statements concerning the anticipated effects
and duration of the novel coronavirus, or COVID-19, global pandemic and the responses thereto, including the pandemic’s impact on general economic and market conditions,
as well as on our business, results of operations and financial condition; our plans to develop our proposed drug candidates; our expectations regarding the nature, timing and
extent  of  clinical  trials  and  proposed  clinical  trials;  our  expectations  regarding  the  timing  for  proposed  submissions  of  regulatory  filings,  including  but  not  limited  to,  any
Investigational New Drug (“IND”) filing or any New Drug Application (“NDA”); the nature, timing and extent of collaboration arrangements; the expected results pursuant to
collaboration  arrangements,  including  the  receipts  of  future  payments  that  may  arise  pursuant  to  collaboration  arrangements;  the  outcome  of  our  plans  to  obtain  regulatory
approval  of  our  drug  candidates;  the  outcome  of  our  plans  for  the  commercialization  of  our  drug  candidates;  our  plans  to  address  certain  markets,  engage  third  party
manufacturers, and evaluate additional drug candidates for subsequent commercial development along with the likelihood and extent of competition to our drug candidates; the
development  of  the  XCART™  CAR  T  (Chimeric  Antigen  Receptor  T  Cell)  (“XCART”)  technology;  our  plans  to  apply  the  XCART  technology  to  advance  cell-based
therapeutics  by  targeting  the  unique  B  cell  receptor  on  the  surface  of  an  individual  patient’s  malignant  tumor  cells  for  the  treatment  of  B-cell  lymphomas;  and  our  beliefs
regarding  the  expected  results  of  the  XCART  technology,  including  its  potential  to  significantly  enhance  the  safety  and  efficacy  of  cell  therapy  for  B-cell  lymphomas  by
generating patient- and tumor-specific CAR T cells.

In  some  cases,  these  statements  may  be  identified  by  terminology  such  as  “may,”  “will,”  “would,”  “could,”  “should,”  “expect,”  “plan,”  “anticipate,”  “believe,”  “estimate,”
“seek,” “approximately,” “intend,” “predict,” “potential,” “projects,” or “continue,” or the negative of such terms and other comparable terminology. Although we believe that
the  expectations  reflected  in  the  forward-looking  statements  contained  herein  are  reasonable,  we  cannot  guarantee  future  results,  the  levels  of  activity,  performance  or
achievements.  These  statements  involve  known  and  unknown  risks  and  uncertainties  that  may  cause  our  or  our  industry's  results,  levels  of  activity,  performance  or
achievements to be materially different from those expressed or implied by forward-looking statements.

Some factors that could cause actual results to differ materially include without limitation:

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·
·
·
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failure to realize the anticipated potential of the XCART or PolyXen technology;
our ability to implement our business strategy;
our need to raise additional working capital in the future for the purpose of further developing our XCART technology and to continue as a going concern;
our ability to finance our business;
our ability to successfully execute, manage and integrate key acquisitions and mergers;
product development and commercialization risks, including our ability to successfully develop the XCART technology;
the impact of adverse safety outcomes and clinical trial results for CAR T cell therapies;
our ability to secure and maintain a manufacturer for the XCART technology;
the impact of new CAR T cell therapies and new uses of existing CAR T therapies on the competitive environment;
our ability to successfully commercialize our current and future drug candidates;
our ability to achieve milestone and other payments associated with our current and future co-development collaborations and strategic arrangements;
the impact of new technologies on our drug candidates and our competition;
changes in laws or regulations of governmental agencies;
interruptions or cancellation of existing contracts;

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·
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impact of competitive products and pricing;
product demand and market acceptance and risks;
the presence of competitors with greater financial resources;
continued availability of supplies or materials used in manufacturing at the current prices;
the ability of management to execute plans and motivate personnel in the execution of those plans;
our ability to attract and retain key personnel;
adverse publicity related to our products or the Company itself;
adverse claims relating to our intellectual property;
the adoption of new, or changes in, accounting principles;
the costs inherent with complying with statutes and regulations applicable to public reporting companies, such as the Sarbanes-Oxley Act of 2002;
other new lines of business that the Company may enter in the future;
general economic and business conditions, as well as inflationary trends;
the impact of natural disasters or public health emergencies, such as the COVID-19 global pandemic, and geopolitical events, such as the Russian invasion of
Ukraine, and related sanctions and other economic disruptions or concerns, on our financial condition and results of operations; and
other factors set forth in the Risk Factors section of our Annual Report on Form 10-K and in subsequent filings with the Securities and Exchange Commission
(“SEC”).

These factors are not necessarily all of the important factors that could cause actual results to differ materially from those expressed in the forward-looking statements in this
Annual  Report.  Other  unknown  or  unpredictable  factors  also  could  have  material  adverse  effects  on  our  future  results,  including,  but  not  limited  to,  those  discussed  in  the
section titled “Risk Factors.” The forward-looking statements in this Annual Report are made only as of the date of this Annual Report, and we do not undertake any obligation
to publicly update any forward-looking statements to reflect subsequent events or circumstances. We intend that all forward-looking statements be subject to the safe-harbor
provisions of the Private Securities Litigation Reform Act of 1995. 

As used in this Annual Report, unless otherwise indicated, all references herein to “Xenetic,” the “Company,” “we” or “us” refer to Xenetic Biosciences, Inc. and its wholly-
owned subsidiaries.

Our brand and product names, including but not limited to, XCART™, OncoHist™, PolyXen®, ErepoXen™ and ImuXen™ contained in this Annual Report are trademarks,
registered trademarks or service marks of Xenetic Biosciences, Inc. and/or its subsidiaries in the United States of America (“USA” or “U.S.”) and certain other countries. All
other company and product names may be trademarks of the respective companies with which they are associated.

Summary Risk Factors

Our business is subject to numerous risks. In addition to the summary below, you should carefully review the “Risk Factors” section of this Annual Report on Form 10-K. We
may be subject to additional risks and uncertainties not presently known to us or that we currently deem immaterial. These risks should be read in conjunction with the other
information in this Annual Report on Form 10-K. Some of the principal risks relating to our business include:

· We have never been profitable and may never achieve or sustain profitability. If we are unable to generate sufficient revenue from our operations to pay expenses or
we  are  unable  to  obtain  additional  financing  on  commercially  reasonable  terms,  our  business,  financial  condition  and  results  of  operations  may  be  materially  and
adversely affected.

· We will require substantial additional funding to achieve our goals. Failure to obtain this necessary capital when needed on acceptable terms, or at all, may force us to

delay, limit or terminate our product development efforts, other operations or commercialization efforts.

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·

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

· We have, in the past, failed to satisfy certain continued listing requirements on Nasdaq and could fail to satisfy those requirements again in the future which could

affect the market price of our common stock and liquidity and reduce our ability to raise capital.

·

Our business is substantially dependent on the success of XCART.

· We operate in an extremely competitive environment and there can be no assurances that competing technologies would not harm our business development.

· We  are  an  early-stage  company  in  the  business  of  developing  pharmaceutical  products  including  drug  candidates  and  technologies.  Given  the  uncertainty  of  such

development, our business operations may never fully materialize and create value for investors.

· We may find it difficult to enroll patients in our clinical studies, which could delay or prevent clinical studies of our pharmaceutical products.

· We  may  encounter  substantial  delays  in  commencement,  enrollment  or  completion  of  our  clinical  trials,  or  we  may  fail  to  demonstrate  safety  and  efficacy  to  the

satisfaction of applicable regulatory authorities, which could prevent us from commercializing our current and future drug candidates on a timely basis, if at all.

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·

If we complete the necessary preclinical and clinical studies, we cannot predict when or if we will obtain regulatory approval to commercialize a drug candidate, or the
approval may be for a more narrow indication than we expect.

If we obtain regulatory approval for a drug candidate, our drug candidate will remain subject to regulatory scrutiny.

The commercial success of any current or future pharmaceutical products will depend upon the degree of market acceptance by physicians, patients, third-party payors
and others in the medical community.

The commercial potential of a pharmaceutical candidate in development is difficult to predict. If the market size for a new drug candidate or technology is significantly
smaller than we anticipate, it could significantly and negatively impact our revenue, results of operations and financial condition.

Failure to obtain or maintain adequate coverage and reimbursement for our drug candidates, if approved, could limit our ability to market those products and decrease
our ability to generate revenue.

· We may use our financial and human resources to pursue a particular research program or drug candidate and fail to capitalize on programs or drug candidates that

may be more profitable or for which there is a greater likelihood of success.

· We may not be successful in our efforts to identify or discover additional pharmaceutical products.

·

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The market opportunities for our drug candidates may be limited to those patients who are ineligible for or have failed prior treatments and may be small.

If  conflicts  arise  between  us  and  our  collaborators  or  strategic  partners,  these  parties  may  act  in  their  self-interest,  which  may  limit  our  ability  to  implement  our
strategies.

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· We expect to rely on third parties to conduct, supervise and monitor our clinical studies, and if these third parties perform in an unsatisfactory manner, it may harm our

business.

·

Our collaborators or strategic partners may decide to adopt alternative technologies or may be unable to develop commercially viable products with our technology,
which would negatively impact our revenues and our strategy to develop these products.

· We may seek to establish additional collaborations and, if we are not able to establish them on commercially reasonable terms, we may have to alter our development

and commercialization plans.

·

If we enter into one or more collaborations, we may be required to relinquish important rights to and control over the development of our drug candidates or otherwise
be subject to unfavorable terms.

· We have no manufacturing, sales, marketing or distribution capabilities, and we may have to invest a significant amount of resources to develop these capabilities.

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Our reliance on third parties requires us to share our trade secrets, which increases the possibility that a competitor will discover them or that our trade secrets will be
misappropriated or disclosed.

If we fail to adequately protect or enforce our intellectual property rights, we may be unable to operate effectively.

Issued patents covering our drug candidates could be found invalid or unenforceable if challenged in court.

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

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If we infringe on the intellectual property rights of others, our business and profitability may be adversely affected.

If we fail to comply with our obligations in the agreements under which we license intellectual property rights from third-parties or otherwise experience disruptions to
our business relationships with our licensors, we could lose license rights that are important to our business.

· We may be subject to claims that our employees, consultants or independent contractors have wrongfully used or disclosed confidential information of third parties or

that our employees have wrongfully used or disclosed alleged trade secrets of their former employers.

· We may be subject to claims challenging the inventorship or ownership of our patents and other intellectual property.

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Our inability to protect our confidential information and trade secrets would harm our business and competitive position.

Our future success depends on our ability to retain principal members of our executive team, consultants and advisors and to attract, retain and motivate qualified
personnel.

· We will need to expand our organization, and we may experience difficulties in managing this growth, which could disrupt our operations.

· We  are  a  party  to  collaboration  agreements  and  other  significant  agreements  which  contain  complex  commercial  terms  that  could  result  in  disputes,  litigation  or

indemnification liability that could adversely affect our business, results of operations and financial condition.

·

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The market price of our securities may be highly volatile, and you may not be able to sell our securities.

Our preferred stock has rights, preferences and privileges that are not held by, and are preferential to, the rights of our common stockholders, which could result in the
interests of the holders of our preferred stock differing from those of our common stockholders.

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ITEM 1 – BUSINESS

Overview

PART I

We are a biopharmaceutical company focused on progressing XCART, a personalized CAR T platform technology engineered to target patient- and tumor-specific neoantigens.
We are initially advancing cell-based therapeutics targeting the unique B-cell receptor on the surface of an individual patient’s malignant tumor cells for the treatment of B-cell
lymphomas.  The  XCART  technology,  developed  by  the  Scripps  Research  Institute  (the  “Scripps  Research”)  in  collaboration  with  the  Shemyakin-Ovchinnikov  Institute  of
Bioorganic Chemistry (“IBCH”), is believed to have the potential to significantly enhance the safety and efficacy of cell therapy for B-cell lymphomas by generating patient-
and tumor-specific CAR T cells.

More than 70,000 new cases of non-Hodgkin Lymphoma (“NHL”) are diagnosed each year in the United States, and more than 19,000 patients die from this group of diseases
annually.  Most  forms  of  NHL,  including  follicular  lymphoma,  mantle  cell  lymphoma,  marginal  zone  lymphoma,  lymphoplasmacytic  lymphoma,  and  small  lymphocytic
lymphoma, which account collectively for ~45% of all cases of NHL, are incurable with available therapies, except for allogeneic stem cell therapy (“allo-SCT”). However,
many NHL patients are not suitable candidates for allo-SCT, and this treatment is also limited by significant rates of morbidity and mortality due to graft versus host disease.
Aggressive B-cell lymphomas such as diffuse large B-cell lymphoma account for 30-35% of NHL. The majority of patients with aggressive B-NHL are successfully treated
with combination chemotherapy, but a significant portion relapse or have refractory disease, and the outcome of these patients is poor.

CAR T cell therapies are an innovative approach in which a patient’s T cells are genetically modified to carry chimeric antigen receptors (“CARs”). High objective response
rates have been reported in some hematological malignancies, but patients treated with CAR T cell therapies can have serious and sometimes fatal toxicities, which include
instances in which the CAR T cells have caused high levels of cytokines due to over-activation (referred to as “cytokine release syndrome,” or CRS), neurologic toxicities and
attacks on healthy organs. In each case, these toxicities have sometimes resulted in death. In addition, all currently approved CAR T cell therapies work by targeting CD19, an
antigen common to all B cells. A significant number of patients have been observed to experience relapse following this treatment, and in many cases the relapsing patients are
evidencing  CD19  antigen  escape,  or  lack  of  expression  of  the  CD19  antigen  as  an  effective  target  for  those  CAR  T  cell  therapies.  Hematopoietic  Stem  Cell  Transplant
(“HSCT”),  also  known  as  bone  marrow  transplantation,  has  for  decades  been  curative  for  many  patients  with  hematological  cancers  or  orphan-inherited  blood  disorders.
However, adoption of HSCT to date has been limited by the risks of transplant-related morbidity and mortality from graft-versus-host-disease, or GvHD, and the potential for
serious infections or cancer recurrence due to the lack of an effective immune system following a transplant.

The XCART technology platform was designed by its originators to utilize an established screening technique to identify peptide ligands that bind specifically to the unique B-
cell receptor (“BCR”) on the surface of an individual patient’s malignant tumor cells. The peptide is then inserted into the antigen-binding domain of a CAR T cell, and a
subsequent transduction/transfection process is used to engineer the patient’s T cells into a CAR T format which redirects the patient’s T cells to attack the tumor. Essentially,
the XCART screening platform is the inverse of a typical CAR T screening protocol wherein libraries of highly specific antibody domains are screened against a given target.
In the case of XCART screening, the target is itself an antibody domain, and hence highly specific by its nature. The XCART technology creates the possibility of personalized
treatment of lymphomas utilizing a CAR with an antigen-binding domain that should only recognize, and only be recognized by, the unique BCR of a particular patient’s B-cell
lymphoma. An expected result for XCART is limited off-tumor toxicities, such as B-cell aplasia. Our clinical development program will seek to confirm the early preclinical
results  and  to  demonstrate  a  more  attractive  safety  profile  than  existing  therapies.  We  anticipate  that  our  primary  focus  will  now  be  on  advancing  this  technology  through
regulatory approval and commercialization.

Additionally,  we  are  leveraging  our  proprietary  drug  delivery  platform,  PolyXen,  by  partnering  with  biotechnology  and  pharmaceutical  companies.  PolyXen  is  an  enabling
platform technology which can be applied to protein or peptide therapeutics. It employs the natural polymer polysialic acid (“PSA”) to prolong a drug's circulating half-life and
potentially  improve  other  pharmacological  properties.  We  incorporate  our  patented  and  proprietary  technologies  into  drug  candidates  currently  under  development  with
biotechnology and pharmaceutical industry collaborators to create what we believe will be the next-generation biologic drugs with improved pharmacological properties over
existing therapeutics. Our drug candidates have resulted from our research activities or that of our collaborators and are in the development stage. As a result, we continue to
commit  a  significant  amount  of  our  resources  to  our  research  and  development  activities  and  anticipate  continuing  to  do  so  for  the  near  future.  To  date,  none  of  our  drug
candidates  have  received  regulatory  marketing  authorization  in  the  U.S.  by  the  Food  and  Drug  Administration  (“FDA”)  nor  in  any  other  countries  or  territories  by  any
applicable agencies. We are receiving ongoing royalties pursuant to a license of our PolyXen technology to an industry partner.

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Although we hold a broad patent portfolio, the focus of our internal development efforts in 2021 was on advancing development of our XCART technology.

We were incorporated under the laws of the State of Nevada in August 2011. We, directly or indirectly, through our wholly-owned subsidiaries, Hesperix S.A. (“Hesperix”) and
Xenetic  Biosciences  (U.K.)  Limited  (“Xenetic  U.K.”),  and  the  wholly-owned  subsidiaries  of  Xenetic  UK,  Lipoxen  Technologies  Limited  (“Lipoxen”),  Xenetic  Bioscience,
Incorporated  (“XTI”)  and  SymbioTec,  GmbH  (“SymbioTec”),  own  various  U.S.  federal  trademark  registrations  and  applications,  along  with  unregistered  trademarks  and
service marks, including but not limited to XCART, OncoHist, PolyXen, ErepoXen and ImuXen.

Our Strategy

In  July  2019  we  acquired  the  XCART  platform,  a  novel  CAR  T  technology  engineered  to  target  patient-  and  tumor-specific  neoantigens  (see  “Our  Technology  and  Drug
Candidates” for a description of the technology). We believe these personalized T cell therapies have the potential to offer cancer patients substantial benefits over the existing
standard  of  care  and  currently  approved  CAR  T  therapies.  We  plan  to  initially  apply  the  XCART  technology  to  develop  cell-based  therapeutics  for  the  treatment  of  B-cell
Lymphomas  with  our  primary  focus  to  advance  this  technology  through  regulatory  approval  and  commercialization.  We  also  intend  to  pursue  industry  collaborations  and
potential licenses to develop XCART for other uses and indications.

We  plan  to  opportunistically  advance  our  PolyXen  platform  technology  by  entering  into  collaborative  out-license  arrangements  with  pharmaceutical  companies  who  could
apply the necessary resources for advancing drug candidates through to commercialization. These arrangements would provide support to us in the form of access to partner-
generated clinical data, which is informative when contemplating potential monetization of our proprietary technology in other markets. One aim of these efforts would be to
drive incremental shareholder value and generate working capital to assist in providing the funding required to support our XCART development efforts.

We intend to pursue orphan drug designations and accelerated approval pathways for relevant oncology indications as appropriate in both the U.S. and Europe. If our orphan
oncology drug candidates are granted orphan drug designation, then we may benefit from certain key advantages of orphan status including certain market exclusivities.

We  intend  to  advance  development  of  our  drug  candidates  primarily  through  the  use  of  contract  manufacturing  and  contract  research  organizations  (“CROs”)  in  order  to
efficiently manage our resources. Continuous pipeline growth and advancement of out-licensed drug candidates is dependent, in part, on our ability to raise sufficient capital
and to advance our existing co-development collaborations and strategic arrangements as well as enter into new such arrangements.

Business Developments

XCART Technology

On June 12, 2020, we entered into a Master Services Agreement with Pharmsynthez (“MSA”) to advance the development of our XCART technology for B-cell malignancies.
Under the MSA, Pharmsynthez agreed to provide services pursuant to work orders agreed upon by the parties from time to time, which services include, but are not limited to,
acting as the Company’s primary CRO to assist in managing collaborations with multiple academic institutions in Russia and Belarus. We are required to pay reasonable fees,
expenses and pass-through costs incurred by Pharmsynthez in providing the services in accordance with a budget and payment terms set forth in each work order. Additionally,
in  the  event  that  a  work  order  provides  for  milestone  payments,  we  are  required  to  make  such  payments  to  Pharmsynthez,  or  third-party  service  providers  designated  by
Pharmsynthez, in accordance with the terms set forth in the work order, which milestone payments may be made, at our sole discretion, in cash or shares of our common stock.

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We executed a work order with Pharmsynthez on June 12, 2020 (the “Work Order”), under the MSA pursuant to which Pharmsynthez agreed to conduct a Stage 1 study of our
XCART technology under the research program as set forth in the Work Order. The activities to be performed under the Work Order were expected to take approximately 20
months unless earlier terminated in accordance with the MSA. On October 12, 2021, we entered into an Amendment Number One to the MSA (the “MSA Amendment”) with
Pharmsynthez to, among other things, terminate all work orders under the MSA. As a result, no further services were to be performed under the Work Order, and any additional
services will be covered by new work orders. In exchange, we entered into a new work order (the “Second Work Order”) simultaneously with the MSA Amendment. Under the
terms of the Second Work Order, Pharmsynthez shall provide certain enumerated services to support the development of our XCART technology upon the written request of the
Company, which work may be requested by us from time to time.

Pursuant to the MSA Amendment and Second Work Order, upon entry into the Second Work Order, we made a one-time $40,000 payment to Pharmsynthez, of which $21,000
was a one-time payment in full for all money and other compensation owed by us under the Work Order, and the remaining $19,000 will be creditable against any out-of-pocket
costs and expenses incurred by Pharmsynthez on behalf of us pursuant to any new work orders initiated after the effective date of the MSA Amendment, including the Second
Work Order.

At The Market (“ATM”) Offering

On November 19, 2021, we entered into an ATM Offering Agreement (the “ATM Agreement”) with H.C. Wainwright & Co., LLC, as the exclusive sales agent (“Wainwright”),
pursuant to which we may offer and sell, from time to time through Wainwright, shares of our common stock. The offer and sale of the shares will be made pursuant to a shelf
registration statement on Form S-3 (File No. 333-260201) and the related prospectus, as supplemented by a prospectus supplement dated November 19, 2021, and filed with the
Securities and Exchange Commission (the “SEC”) on such date pursuant to Rule 424(b) under the Securities Act of 1933, as amended (the “Securities Act”), and is currently
limited to a number of shares of up to $4,000,000 of common stock pursuant to General Instruction I.B.6 of Form S-3.

Pursuant  to  the  ATM  Agreement,  Wainwright  may  sell  the  shares  in  sales  deemed  to  be  “at-the-market”  equity  offerings  as  defined  in  Rule  415  promulgated  under  the
Securities Act,  including  sales  made  directly  on  or  through  the  Nasdaq  Capital  Market.  If  agreed  to  in  a  separate  terms  agreement,  we  may  sell  shares  to  Wainwright  as
principal, at a purchase price agreed upon by Wainwright and us. Wainwright may also sell shares in privately negotiated transactions with our prior approval. Sales of the
shares through Wainwright, if any, will be made in amounts and at times to be determined by us from time to time, but we have no obligation to sell any of the shares, and
either we or Wainwright may at any time suspend offers under the agreement or terminate the agreement. Actual sales will depend on a variety of factors to be determined by us
from time to time, including (among others) market conditions, the trading price of our common stock and determinations by us of the appropriate sources of funding for us.
The offer and sale of the shares pursuant to the ATM Agreement will terminate upon the earlier of (a) the issuance and sale of all of the shares subject to the ATM Agreement or
(b) the termination of the ATM Agreement by Wainwright or us pursuant to the terms thereof.

No shares were sold under the ATM Agreement during the year ended December 31, 2021.

Private Placement

On  July  26,  2021,  we  entered  into  a  securities  purchase  agreement  in  connection  with  a  private  placement  with  the  purchaser  named  on  the  signature  page  thereto
(“Purchaser”), pursuant to which we issued and sold to Purchaser, in a private placement priced at-the-market under Nasdaq rules, (i) 950,000 shares of our common stock, par
value $0.001 per share; (ii) warrants to purchase an aggregate of 4,629,630 shares of our common stock, with an exercise price of $3.30 per share (the “Series A Warrants”)
which expire three and one half years from the earlier of (a) the six month anniversary of the initial exercise date and (b) the date that the registration statement registering all of
the  warrant  shares  underlying  the  Series  A  Warrants  is  declared  effective;  and  (iii)  pre-funded  warrants  to  purchase  up  to  3,679,630  shares  of  our  common  stock,  with  an
exercise price of $0.001 per share (the “Series B Warrants”) with no expiration (the “Private Placement”), at a purchase price of $2.70 per one share and one Series A Warrant
and  $2.699  per  one  Series  B  Warrant  and  one  Series  A  Warrant.  The  Private  Placement  closed  on  July  28,  2021  resulting  in  gross  proceeds  from  the  Private  Placement  of
approximately $12.5 million, before deducting placement agent fees and offering expenses, and excluding the exercise of any such warrants. Net proceeds from the Private
Placement were $11.5 million. All of the Series B Warrants were exercised in 2021 resulting in approximately $4,000 of proceeds.

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Our Technology and Drug Candidates

The Technologies

We incorporate our patented and proprietary technologies into a number of drug candidates which are currently under development internally or with our biotechnology and
pharmaceutical collaborators, with the goal of creating what we believe will be the next generation of biologic drugs and therapeutics. While we primarily focus on researching
and developing oncology drugs, we also have ownership and other economic interests in drugs being developed by our collaborators to treat other conditions.

During the year ended December 31, 2021, the focus of our internal development efforts was on advancing development of our XCART technology. We have not been actively
pursuing development efforts for PolyXen or any of our other technologies.

XCART

The XCART technology platform was designed by its originators to utilize an established screening technique to identify peptide ligands that bind specifically
to the unique BCR on the surface of an individual patient’s malignant tumor cells. The peptide is then inserted into the antigen-binding domain of a CAR T
cell, and a subsequent transduction/transfection process is used to engineer the patient’s T cells into a CAR T format which redirects the patient’s T cells to
attack the tumor. Essentially, the XCART screening platform is the inverse of a typical CAR T screening protocol wherein libraries of highly specific antibody
domains are screened against a given target. In the case of XCART screening, the target is itself an antibody domain, and hence highly specific by its nature.
The XCART technology creates the possibility of personalized treatment of lymphomas utilizing a CAR with an antigen-binding domain that should only
recognize,  and  only  be  recognized  by,  the  unique  BCR  of  a  particular  patient’s  B-cell  lymphoma.  An  expected  result  for  XCART  is  limited  off-tumor
toxicities, such as B-cell aplasia. Our clinical development program will seek to confirm the early preclinical results, and to demonstrate a more attractive
safety profile than existing therapies to support our preliminary discussions with the FDA in advance of an IND filing.

PolyXen

An enabling biological platform technology designed to extend the circulation time of drug molecules in the human body by chemically attaching polysialic
acid, or PSA, to the drug molecule by a process termed polysialylation, thereby creating potentially superior next generation therapeutic candidates. PSA, a
biopolymer, comprising a chain of sialic acid molecules, is a natural constituent of the human body, although we obtain our PSA from a bacterial source. 

Research, Outside Services and Collaborations

Through  partner  efforts,  we  are  developing  our  pipeline  of  next-generation  bio-therapeutics  and  novel  oncology  drugs  based  on  our  XCART  and  PolyXen  proprietary
technologies.  In  order  to  do  this  while  efficiently  managing  our  overhead,  we  rely  on  the  services  of  contract  manufacturers,  CROs  and  our  strategic  collaborations.  We
currently do not have in-house research facilities to pursue these initiatives. Accordingly, continuous pipeline growth and advancement of our technologies and drug candidates
is dependent on several important collaborations and strategic arrangements, including our arrangements with:

·

·

·

Pharmsynthez, including its wholly-owned subsidiary SynBio LLC (“SynBio”), a beneficial owner of approximately 3.3% of our common stock;

Serum Institute of India Limited (“Serum Institute”), one of the world’s largest vaccine manufacturers and one of India’s largest biotech companies; and

Scripps Research, one of the world’s largest, private non-profit research organizations.

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Accordingly, in addition to pursuing our development of the XCART technology, we also have significant interests in drug candidates being developed by our collaborators to
treat other conditions. We may collect some combination of milestone payments and royalties pursuant to these collaborations to the extent that these drugs are successfully
developed and marketed. However, other than royalty payments under a sublicense with Takeda and potential royalty payments from Pharmsynthez under our collaboration
agreement, we do not anticipate any milestone or royalty payments in the near term, if at all. For further detail, please read the section titled “Significant Collaborations and
Strategic Arrangements” below.

Our Drug Candidate Pipeline

Our  product  pipeline  contains  drug  candidates  under  development  internally  and  with  our  biotechnology  and  pharmaceutical  collaborators.  The  following  discussion
summarizes key information regarding our current drug candidates:

XCART

XCART is a personalized CAR T cell platform technology engineered to target patient-specific tumor neoantigens. We believe XCART has the potential to offer cancer patients
substantial benefits over the existing standard of care and currently approved CAR T therapies, including enhanced safety and efficacy of cell therapy for B-cell lymphomas.
We are initially advancing cell-based therapeutics targeting the unique B-cell receptor on the surface of an individual patient’s malignant tumor cells for the treatment of B-cell
lymphomas.

The  XCART  platform  was  designed  to  target  personalized,  patient-specific  tumor  neoantigens  and  has  demonstrated  proof  of  mechanism  in  B-cell  lymphoma,  an  area  of
significant unmet medical need. The acquisition of XCART fits with our current strategy of focusing on research addressing unmet needs in oncology. Our R&D efforts will
focus initially on leveraging the XCART platform to develop cell-based therapeutics for the treatment of B-cell non-Hodgkin lymphomas, an initial global market opportunity
estimated to exceed $5 billion per year.

ErepoXen

ErepoXen, or polysialylated erythropoietin (“PSA-EPO”), uses our PolyXen platform technology for the treatment of anemia in chronic kidney disease (“CKD”) patients. It is
designed  to  reduce  the  dosing  frequency  by  extending  the  circulating  half-life  of  the  therapeutic  in  the  body.  We  are  not  pursuing  clinical  development  of  ErepoXen  but
continue to entertain out-license opportunities for the drug candidate in our licensed territories.

We have collaboration agreements with Pharmsynthez and Serum Institute to develop and launch ErepoXen in limited markets pursuant to which we will collect royalties if
they are successful in these efforts.

Pharmsynthez  received  regulatory  approval  to  commence  a  Phase  II(b)/III  human  clinical  trial  of  ErepoXen  (also  known  as  Epolong)  in  Russia  with  patient  recruitment
completed in 2020. In December 2020, Pharmsynthez reported positive data from this clinical trial and filed a registration dossier to obtain approval of Epolong in Russia. In
February  2021,  Pharmsynthez  reported  in  a  press  release  that  it  had  started  the  registration  phase  of  Epolong  by  filing  a  registration  dossier  to  obtain  approval  in  Russia.
Pharmsynthez had reported in its press release that it expected that the Russian stage of registration activities would be completed in 2021 and that it would be able to start
production of the product as early as the first quarter of 2022. Pharmsynthez has not informed the Company that the registration process has been completed or that production
of the product has commenced.

Serum Institute conducted Phase I and Phase II clinical trials of ErepoXen in ninety-five human subjects. These safety trials, which had no significant drug-related adverse
events, provided us with the data to commence a Phase II, repeat dosing, International Conference on Harmonisation of Technical Requirements for Pharmaceuticals for Human
Use compliant clinical trial for ErepoXen in Australia, New Zealand and South Africa for CKD patients not on dialysis. We completed three cohorts of this study and then
terminated the study.

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In addition, Serum Institute finished Phase I/II clinical trials in India of ErepoXen for in-center-dialysis patients. Serum Institute may seek to leverage Pharmsynthez’s trial data
and potential Russian marketing authorization to request a waiver for a Phase III clinical trial in India, subject to local regulatory authority approval.

Pipeline Expansion Opportunities

Operating under licenses from us within their home markets, our collaborators can potentially generate preclinical and clinical data related to our technologies across a wide
spectrum of therapeutic areas. Under these agreements, we retain all rights for major markets and co-own the clinical data. We therefore have the opportunity to utilize the data
in our decision-making process regarding development and commercialization in major markets.

Significant Collaborations and Strategic Arrangements

Takeda

We were a party to an exclusive research, development and license agreement with Takeda, related to the development of a novel series of polysialylated blood coagulation
factors.  This  collaboration  with  Takeda  relied  on  our  PolyXen  technology  to  conjugate  PSA  with  therapeutic  blood-clotting  factors,  with  the  goal  of  improving  the
pharmacokinetic profile and extending the active half-life of these biologic molecules. The agreement granted Takeda a worldwide, exclusive, royalty-bearing license to our
PSA-patented and proprietary technology in combination with Takeda’s proprietary molecules designed for the treatment of blood and bleeding disorders. There are no active
projects under the exclusive research, development and license agreement and the parties mutually terminated the agreement in August 2021.

In  October  2017,  we  granted  to  Takeda  the  right  to  grant  a  non-exclusive  sublicense  to  certain  patents  related  to  the  Company’s  PolyXen  technology  that  were  previously
exclusively licensed to Takeda in connection with products related to the treatment of blood and bleeding disorders. Pursuant to the agreement, Takeda (i) paid us a one-time
payment of seven million five hundred thousand dollars ($7,500,000) in November 2017 and (ii) agreed to pay us single digit royalty payments based upon net sales of the
covered products throughout the term. Royalty payments on net sales commenced in late 2019. During the years ended December 31, 2021, and December 31, 2020, royalty
payments of approximately $1.2 million and $0.4 million were recorded as revenue by us, respectively. The termination of the Takeda exclusive research, development and
license agreement had no impact on the Company’s non-exclusive sublicense agreement and the royalties being generated.

SynBio LLC

In August 2011, we entered into a stock subscription and collaborative development agreement with SynBio (the “Co-Development Agreement”), pursuant to which we granted
SynBio an exclusive license to develop, market and commercialize certain drug candidates utilizing molecules based on SynBio’s technology and our PolyXen, OncoHist and
ImuXen platform technologies in Russia and the CIS, collectively referred to herein as the SynBio Market. In exchange for our granting to SynBio those certain license rights,
SynBio  granted  an  exclusive  license  to  us  to  use  any  preclinical  and  clinical  data  generated  by  SynBio  and  to  engage  in  the  development  and  commercialization  of  drug
candidates that may arise from the collaboration in any territory outside of the SynBio Market based upon the Co-Development Agreement.

We hope and expect to mitigate certain technical and commercial risks of drug development by working in collaboration with SynBio. Under the Co-Development Agreement,
SynBio  is  responsible  for  progressing  six  new  product  candidates  through  human  proof  of  concept  trials  in  Russia  as  primary  validation  for  the  initiation  of  European
Medicines Agency (“EMA”) or FDA clinical trials by us.

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The primary goal of the Co-Development Agreement is to research and develop drug candidates for planned commercialization using SynBio and our combined respective
expertise and technologies. Drug candidates must meet the success criteria as decided upon by a joint steering committee, which includes representation from both SynBio and
us,  where  we  have  the  right  to  appoint  the  chair  who  has  the  casting  vote.  Once  a  potential  drug  candidate  is  selected,  clinical  trials  will  be  separately  conducted  by  each
company in their respective territories with the goal to achieve regulatory approval of the products for commercial sale.

SynBio  is  wholly  responsible  for  funding  and  conducting  its  own  research  and  clinical  development  activities  in  Russia,  and  we  are  wholly  responsible  for  funding  and
conducting  our  own  research  and  clinical  development  activities  in  the  U.S.,  Europe  and  elsewhere  outside  the  SynBio  Market.  There  are  no  milestones  or  other  research-
related payments provided for under the Co-Development Agreement other than fees for the provision of each party’s respective research supplies based on their technology.
Upon successful commercialization of any resultant products, we are entitled to receive low double-digit royalties on sales in certain territories and pay royalties to SynBio for
sales outside those certain territories subject to the terms of the Co-Development Agreement. For the years ended December 31, 2021, and December 31, 2020, there were no
supply service revenues in connection with the Co-Development Agreement. The Co-Development Agreement continues until it is terminated in accordance with the terms and
conditions set forth therein. Effective December 20, 2021 SynBio assigned the Co-Development Agreement to its parent company, Pharmsynthez.

PJSC Pharmsynthez

In November 2009, we entered into a collaborative research and development license agreement with Pharmsynthez (the “Pharmsynthez Arrangement”) pursuant to which we
granted an exclusive license to Pharmsynthez to develop, commercialize and market six product candidates based on our PolyXen and ImuXen technology anywhere within
Russia and the CIS, as well as certain clinical and research data developed by us on the six product candidates. In exchange, Pharmsynthez granted us an exclusive license to
use  any  preclinical  and  clinical  data  developed  by  Pharmsynthez  within  the  scope  of  the  Pharmsynthez  Arrangement  and  to  engage  in  further  research,  development  and
commercialization of drug candidates in any territory outside of Russia and the CIS at our own expense.

We expect to mitigate certain risks of drug development by reviewing human clinical data arising out of this collaboration with Pharmsynthez before we take a particular drug
candidate into FDA and EMA trials. Under the Pharmsynthez Arrangement, Pharmsynthez is responsible for progressing six drug candidates through human proof of concept
trials in Russia as primary validation prior to the initiation of EMA/FDA clinical trials by us outside of Russia. A joint steering committee, where we have the right to appoint
the chair who has the casting vote, was established to facilitate the communication of scientific data and to assist generally with each party’s research decisions and to monitor
research and development progress under the Pharmsynthez Arrangement.

Pharmsynthez  is  wholly  responsible  for  funding  and  conducting  its  own  research  and  clinical  development  activities  in  Russia.  We  are  wholly  responsible  for  funding  and
conducting our own research and clinical development activities in the U.S., Europe and the rest of the world outside of Russia and the ex-CIS regions. There are no milestones
or other research related payments provided for under the Pharmsynthez Arrangement other than royalties. The Pharmsynthez Arrangement shall continue until it is terminated
in accordance with the terms and conditions set forth therein.

Pharmsynthez  directly,  and  indirectly  through  SynBio,  has  a  share  ownership  in  us  of  approximately  3.3%  of  the  total  outstanding  common  stock  of  the  Company  as  of
December 31, 2021. In addition to its common stock ownership, Pharmsynthez holds approximately 1.5 million shares of our outstanding Series B Preferred Stock (as defined
in Note 10, Stockholders’ Equity) and all of our issued and outstanding Series A Preferred Stock (as defined in Note 10, Stockholders’ Equity) through SynBio.

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Serum Institute

In August 2011, we entered into a collaborative research and development agreement with Serum Institute (the “Serum Agreement”) providing Serum Institute an exclusive
license to use our PolyXen technology to research and develop one potential commercial product, PSA-EPO. Serum Institute is responsible for conducting all preclinical and
clinical  trials  required  to  achieve  regulatory  approvals  within  certain  predetermined  territories  at  Serum  Institute’s  own  expense.  Royalty  payments  are  payable  by  Serum
Institute to us for net sales to certain customers in the Serum Institute sales territory. Royalty payments are payable by us to Serum Institute for net sales received by us over the
term of the license. There are no milestone or other research-related payments due under the collaborative arrangement. The Serum Agreement continues until it is terminated
in accordance with the terms and conditions set forth therein. Through December 31, 2021, Serum Institute continued to engage in research and development activities with no
resultant commercial products. No royalty revenue or expense was recognized by us related to the Serum Institute arrangement during the years ended December 31, 2021, and
December 31, 2020. Serum Institute had a share ownership of less than 1% of our total outstanding common stock as of December 31, 2021.

Our Intellectual Property

We strive to protect and enhance the proprietary technology, inventions and improvements that are commercially important to our business, including seeking, maintaining and
defending  patent  rights,  whether  developed  internally  or  licensed  from  our  collaborators  or  other  third  parties.  Our  policy  is  to  seek  to  protect  our  proprietary  position  by,
among other methods, filing patent applications in the U.S. and in jurisdictions outside of the U.S. covering our proprietary technology, inventions, improvements and product
candidates that are important to the development and implementation of our business. We also rely on trade secrets and know-how relating to our proprietary technology and
product candidates, continuing innovation and in-licensing opportunities to develop, strengthen and maintain our proprietary position in the field of oncology. We also plan to
rely on data exclusivity, market exclusivity and patent term extensions when available. Our commercial success will depend in part on our ability to obtain and maintain patent
and other proprietary protection for our technology, inventions and improvements; to preserve the confidentiality of our trade secrets; to obtain and maintain licenses to use
intellectual property owned by third parties; to defend and enforce our proprietary rights, including any patents that we may own in the future; and to operate without infringing
on the valid and enforceable patents and other proprietary rights of third parties.

Our drug candidates are in various stages of development, each protected by patent and pending patent applications in the U.S. with the U.S. Patent and Trademark Office
(“USPTO”) and in certain other developed countries. Our first issued patents began to expire in 2021 with the majority of the existing issued patents expiring between 2025 and
2030.

Our  patent  strategy  is  to  file  patent  applications  on  innovations  and  improvements  in  those  jurisdictions  that  comprise  the  major  pharmaceutical  markets  in  the  world  or
locations where a pharmaceutical may be manufactured. These jurisdictions include, but are not limited to, the U.S., U.K., Australia, Japan, Canada, South Korea, China, India,
Russia and certain other countries in the European Union (“E.U.”) and Asia, though we do not necessarily file a patent application in each of these jurisdictions for every patent
family.

As of January 20, 2022, we directly or indirectly own, through our wholly-owned subsidiaries, Hesperix and Xenetic U.K., and Xenetic U.K.’s wholly-owned subsidiaries,
Lipoxen, XTI and SymbioTec, more than 170 U.S. and international patents and pending patent applications that cover various aspects of our technologies. We have acquired or
filed patent applications, and plan to file additional patent applications, covering various aspects of our XCART platform technology, including all rights throughout the world
in  and  to  patents  and  patent  applications  related  to  “Articles  And  Methods  Directed  To  Personalized  Therapy  Of  Cancer,”  and  our  PolyXen  platform  technology  covering
polysialylation and advanced polymer conjugate technologies, respectively, as well as our other product candidates. More specifically, our patents and patent applications cover
polymer architecture, drug conjugates, formulations, methods of manufacturing polymers and polymer conjugates along with methods of administering polymer conjugates.

8

 
 
 
  
 
 
  
 
 
 
 
 
 
 
We have received patent protection for certain therapeutics that use our PolyXen technology linking the specific therapeutic to a PSA. These include, but are not limited to,
PSA-EPO,  PSA-insulin  and  PSA-insulin  like  protein,  a  next  generation  Factor  VIII  protein  product  candidate  SHP656  (PSA-rFVIII),  PSA-DNase  I  and  PSA-granulocyte
colony stimulating factor (PSA-GCSF). Further patents cover methods to prepare proteins that are linked to a PSA. These method patents include those that link a PSA to a
protein in a high pH solution as well as patents that use a process for producing an aldehyde derivative of a sialic acid through the opening and oxidation of a sialic acid unit.
For instance, we have patent protection for a PSA linkage that can be at the N-terminus.

We  have  received  patent  protection  for  the  production  of  PSA  and  the  removal  of  endotoxin  during  the  purification  process.  The  removal  of  endotoxin  occurs  through  the
addition of a high pH solution to the PSA and a process to separate a polydisperse ionically charged polysaccharide, such as PSA, into fractions of different average molecular
weight. This is accomplished through the use of a column and elution buffers with different and constant ionic strength and pH, resulting in a fractionated polysaccharide that
has a molecular weight polydispersity of 1.1 or lower.

Issued patents can provide protection for varying periods of time, depending upon the date of filing of the patent application, the date of patent issuance and the legal term of
patents in the countries in which they are obtained. In general, patents issued for applications filed in the U.S. can provide exclusionary rights for twenty years from the earliest
effective filing date. In addition, in certain instances, the term of an issued U.S. patent that covers or claims an FDA approved product can be extended to recapture a portion of
the term effectively lost as a result of the FDA regulatory review period, which is called patent term extension. The restoration period cannot be longer than five years, and the
total patent term, including the restoration period, must not exceed fourteen years following FDA approval. The term of patents outside of the U.S. varies in accordance with
the  laws  of  the  foreign  jurisdiction  but  is  typically  also  twenty  years  from  the  earliest  effective  filing  date.  However,  the  actual  protection  afforded  by  a  patent  varies  on  a
product-by-product basis, from country-to-country, and depends upon many factors, including the type of patent, the scope of its coverage, the availability of regulatory-related
extensions, the availability of legal remedies in a particular country and the validity and enforceability of the patent.

In certain situations, where we work with drugs covered by one or more patents, our ability to develop and commercialize our technologies may be affected by limitations of
our access to these proprietary drugs. Even if we believe we are free to work with a proprietary drug, we cannot guarantee that we will not be accused of, or be determined to
be, infringing on a third party’s rights and be prohibited from working with the drug or found liable for damages. Any such restriction on access or liability for damages would
have a material adverse effect on our business, results of operations and financial condition.

The patent positions of pharmaceutical and biotechnology companies, such as ours, are uncertain and involve complex legal and factual issues. There can be no assurance that
patents  that  have  been  issued  will  be  held  valid  and  enforceable  in  a  court  of  law.  Even  for  patents  that  are  held  valid  and  enforceable,  the  legal  process  associated  with
obtaining such a judgment is time consuming and costly. Additionally, issued patents can be subject to opposition or other proceedings that can result in the revocation of the
patent  or  maintenance  of  the  patent  in  amended  form  (and  potentially  in  a  form  that  renders  the  patent  without  commercially  relevant  and/or  broad  coverage).  Further,  our
competitors may be able to circumvent and otherwise design around our patents. Even if a patent is issued and enforceable, because development and commercialization of
pharmaceutical products can be subject to substantial delays, patents may expire early and provide only a short period of protection, if any, following the commercialization of
products  encompassed  by  our  patent(s).  We  may  have  to  participate  in  interference  proceedings  declared  by  the  USPTO,  which  could  result  in  a  loss  of  the  patent  and/or
substantial cost to us. Further, we understand that if any of our pending patent applications do not issue, or are deemed invalid following issuance, we may lose valuable IP
protection.

U.S. and foreign patent rights and other proprietary rights exist that are owned by third parties and relate to pharmaceutical compositions and reagents, medical devices and
equipment and methods for preparation, packaging and delivery of pharmaceutical compositions. We cannot predict with any certainty which, if any, of these rights will be
considered relevant to our technology by authorities in the various jurisdictions where such rights exist, nor can we predict with certainty which, if any, of these rights will or
may be asserted against us by third parties. We could incur substantial costs in defending ourselves and our partners against any such claims. Furthermore, parties making such
claims may be able to obtain injunctive or other equitable relief, which could effectively block our ability to develop or commercialize some or all of our products in the U.S.
and in other countries and could result in the award of substantial damages. In the event of a claim of infringement, we or our partners may be required to obtain one or more
licenses from third parties. There can be no assurance that we can obtain a license to any technology that we determine we require on reasonable terms, if at all, or that we
could develop or otherwise obtain alternative technology. The failure to obtain licenses, if required, may have a material adverse effect on our business, results of operations
and financial condition. Further, we may not be able to obtain IP licenses related to the development of our drug candidates on a commercially reasonable basis, if at all.

9

 
 
 
 
 
  
 
 
 
 
 
 
 
It is our policy to require our employees and consultants, outside scientific collaborators, sponsored researchers and other advisors who receive confidential information from
us  to  execute  confidentiality  agreements  upon  the  commencement  of  employment  or  consulting  relationships  with  us.  These  agreements  provide  that  all  confidential
information developed or made known to the individual during the course of the individual’s relationship with us is to be kept confidential and not disclosed to third parties
except in specific circumstances. The agreements provide that all inventions conceived by an employee shall be our property. There can be no assurance, however, that these
agreements will provide meaningful protection or adequate remedies for our trade secrets in the event of unauthorized use or disclosure of such information.

Manufacturing and Supply

We do not have the capability to manufacture our own materials necessary to support our drug candidate development programs nor do we intend to acquire such capability as
part  of  our  present  business  strategy.  We  currently  have  agreements  in  place  with  Serum  Institute  whereby  Serum  Institute  would  produce  clinical  materials  for  use  in  the
development of drug candidates involving our PolyXen technology, including candidates developed by our partners. We do not have any agreements in place to manufacture
clinical materials for use in the development of our XCART technology and anticipate seeking a third party manufacturer for our clinical supply needs.

Government Regulation

General

Government  authorities  in  the  U.S.  at  the  federal,  state  and  local  level,  and  other  countries,  extensively  regulate,  among  other  things,  the  research,  development,  testing,
manufacture, quality control, approval, labeling, packaging, storage, record-keeping, promotion, advertising, distribution, marketing and export and import of products such as
those we are developing. Generally, a new drug must be approved by the FDA through the NDA process and a new biologic must be licensed by the FDA through the biologics
license application (“BLA”) process before it may be legally marketed in the U.S.

U.S. Regulation

Drug Development Process

In the U.S., the FDA regulates drugs under the Federal Food, Drug, and Cosmetic Act (“FDCA”), and in the case of biologics, also under the Public Health Service Act, and
their  implementing  regulations.  The  process  of  obtaining  regulatory  approvals  and  the  subsequent  compliance  with  appropriate  federal,  state,  local  and  foreign  statutes  and
regulations  require  the  expenditure  of  substantial  time  and  financial  resources.  Failure  to  comply  with  the  applicable  U.S.  requirements  at  any  time  during  the  product
development process, approval process or after approval may subject an applicant to administrative or judicial sanctions. These sanctions could include the FDA’s refusal to
approve pending applications, withdrawal of an approval, license revocation, a clinical hold, warning letters or untitled letters, product recalls, product seizures, total or partial
suspension of production or distribution, injunctions, fines, refusals of government contracts, restitution, disgorgement or civil or criminal penalties. Any agency or judicial
enforcement action could have a material adverse effect on us.

The process required by the FDA before a drug or biologic may be marketed in the U.S. generally involves the following:

·

·

completion  of  preclinical  laboratory  tests,  animal  studies  and  formulation  studies  in  accordance  with  Good  Laboratory  Practices  (“GLP”)  regulations  and  other
applicable regulations;

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

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·

·

·

·

performance of adequate and well-controlled human clinical trials in accordance with Good Clinical Practice (“GCP”) regulations to establish the safety and efficacy
of the proposed drug for its intended use;

submission to the FDA of an NDA or BLA;

satisfactory  completion  of  an  FDA  inspection  of  the  manufacturing  facility  or  facilities  at  which  the  drug  is  produced  to  assess  compliance  with  current  Good
Manufacturing Practices (“cGMP”) requirements 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 or BLA.

The drug or biologic manufacturer may also be subject to post-approval regulatory requirements. Once a pharmaceutical candidate is identified for development, it enters the
preclinical testing stage. Preclinical tests include laboratory evaluations of product chemistry, toxicity and formulation, as well as animal studies. An IND sponsor must submit
the  results  of  the  preclinical  tests,  together  with  manufacturing  information  and  analytical  data,  to  the  FDA  as  part  of  the  IND.  The  sponsor  will  also  include  a  protocol
detailing, among other things, the objectives of the first phase of the clinical trial, the parameters to be used in monitoring safety and the effectiveness criteria to be evaluated, if
the first phase lends itself to an efficacy evaluation. Some preclinical testing may continue even after the IND is submitted. The IND automatically becomes effective thirty
days after receipt by the FDA, unless the FDA, within the thirty-day time period, places the clinical trial on a clinical hold. In such a case, the IND sponsor and the FDA must
resolve any outstanding concerns before the clinical trial can begin. Clinical holds may also be imposed by the FDA at any time before or during clinical trials due to safety
concerns  about  ongoing  or  proposed  clinical  trials  or  noncompliance  with  specific  FDA  requirements,  and  the  trials  may  not  begin  or  continue  until  the  FDA  notifies  the
sponsor that the hold has been lifted.

All clinical trials must be conducted under the supervision of one or more qualified investigators in accordance with GCP regulations. They must be conducted under protocols
detailing the objectives of the trial, dosing procedures, subject selection and exclusion criteria and the safety and effectiveness criteria to be evaluated. Each protocol must be
submitted to the FDA as part of the IND, and timely safety reports must be submitted to the FDA if any serious and unexpected adverse events occur. An institutional review
board  (“IRB”)  at  each  institution  participating  in  the  clinical  trial  (or  in  some  cases  an  independent  IRB)  must  review  and  approve  each  protocol  before  a  clinical  trial
commences at that institution. As part of its review, the IRB must also approve the information regarding the trial and the consent form that must be provided to each trial
subject or his or her legal representative, monitor the study until completion and otherwise comply with IRB regulations.

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

·

·

·

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

Phase II: This phase involves clinical trials in 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 appropriate dosage.

Phase III: Clinical trials are undertaken to further evaluate dosage, clinical efficacy and safety in an expanded patient population at geographically dispersed clinical
study sites. These clinical trials are intended to establish the overall risk-benefit ratio of the drug candidate and provide, if appropriate, an adequate basis for product
labeling.

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Post-approval trials, sometimes referred to as Phase IV studies, may be conducted after initial marketing approval. These trials are used to gain additional experience from the
treatment of patients in the intended therapeutic indication. In certain instances, the FDA may mandate the performance of Phase IV clinical trials as a condition of approval of
an NDA or BLA.

The FDA or the sponsor may suspend 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. In addition, some clinical trials are overseen by an independent group of qualified experts organized
by the sponsor, known as a data safety monitoring board or committee. Depending on its charter, this group may determine whether a trial may move forward at designated
check points based on access to certain data from the trial.

Concurrent  with  clinical  trials,  sponsors  must  also  develop  additional  information  about  the  chemistry  and  physical  characteristics  of  the  drug  and  finalize  a  process  for
manufacturing  the  product  in  commercial  quantities  in  accordance  with  cGMP  requirements.  The  manufacturing  process  must  be  capable  of  consistently  producing  quality
batches of the drug candidate and, among other things, the manufacturer must develop methods for testing the identity, strength, quality and purity of the final drug. In addition,
appropriate packaging must be selected and tested and stability studies must be conducted to demonstrate that the drug candidate does not undergo unacceptable deterioration
over its shelf life.

While the IND is active and before approval, progress reports summarizing the results of the clinical trials and nonclinical studies performed since the last progress report must
be submitted at least annually to the FDA by the Sponsor, and written IND safety reports must be submitted to the FDA for serious and unexpected suspected adverse events,
findings from other studies suggesting a significant risk to humans exposed to the same or similar drugs, findings from animal or in-vitro testing suggesting a significant risk to
humans and any clinically important increased incidence of a serious suspected adverse reaction compared to that listed in the protocol or investigator brochure.

There are also requirements governing the reporting of ongoing clinical trials and completed trial results to public registries. Sponsors of certain clinical trials of FDA-regulated
products are required to register and disclose specified clinical trial information, which is publicly available at www.clinicaltrials.gov. Information related to the product, patient
population, phase of investigation, trial sites and investigators and other aspects of the clinical trial is then made public as part of the registration. Sponsors are also obligated to
discuss the results of their clinical trials after completion. Disclosure of the results of these trials can be delayed until the new product or new indication being studied has been
approved.

U.S. Market Approval Process

The  results  of  product  development,  preclinical  and  other  non-clinical  studies  and  clinical  trials,  along  with  descriptions  of  the  manufacturing  process,  analytical  tests
conducted on the chemistry of the drug, proposed labeling and other relevant information will be submitted to the FDA as part of an NDA or BLA requesting approval to
market the product. The submission of an NDA or BLA is subject to the payment of user fees; a waiver of such fees may be obtained under certain limited circumstances. The
FDA reviews all NDAs and BLAs submitted to ensure they are sufficiently complete for substantive review before it accepts them for filing. The FDA may request additional
information rather than accept an NDA or BLA for filing. In this event, the NDA or BLA must be resubmitted with the additional information. The resubmitted application also
is 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  may  refer  the  NDA  or  BLA  to  an  advisory  committee  for  review,
evaluation and recommendation as to whether the application should be approved and under what conditions. The FDA is not bound by the recommendation of an advisory
committee, but it generally follows such recommendations. The approval process is lengthy and often difficult, and the FDA may refuse to approve an NDA or BLA if the
applicable regulatory criteria are not satisfied or may require additional clinical or other data and information. Even if such data and information are submitted, the FDA may
ultimately decide that the NDA or BLA does not satisfy the criteria for approval. The FDA reviews an NDA to determine, among other things, whether a product is safe and
effective for its intended use and whether its manufacturing is cGMP-compliant to assure and preserve the product’s identity, strength, quality and purity. The FDA reviews a
BLA to determine, among other things whether the product is safe, pure and potent and the facility in which it is manufactured, processed, packed or held meets standards
designed to assure the product’s continued safety, purity and potency. Before approving an NDA or BLA, the FDA will inspect the facility or facilities where the product is
manufactured.

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After the FDA evaluates an NDA or BLA, it will issue an approval letter or a Complete Response Letter. An approval letter authorizes commercial marketing of the drug with
prescribing  information  for  specific  indications.  A  Complete  Response  Letter  indicates  that  the  review  cycle  of  the  application  is  complete  and  the  application  will  not  be
approved in its present form. A Complete Response Letter usually describes the specific deficiencies in the NDA or BLA identified by the FDA and may require additional
clinical data, such as an additional pivotal Phase III trial or other significant and time-consuming requirements related to clinical trials, nonclinical studies or manufacturing. If
a Complete Response Letter is issued, the sponsor must resubmit the NDA or BLA, addressing all of the deficiencies identified in the letter, or withdraw the application. Even
if such data and information are submitted, the FDA may decide that the NDA or BLA does not satisfy the criteria for approval.

If a product receives regulatory approval, the approval may be significantly limited to specific diseases and dosages or the indications for use may otherwise be limited, which
could restrict the commercial value of the product. In addition, the FDA may require a sponsor to conduct Phase IV testing, which involves clinical trials designed to further
assess a drug’s safety and effectiveness after NDA or BLA approval, and may require testing and surveillance programs to monitor the safety of approved products which have
been commercialized. The FDA may also place other conditions on approval including the requirement for a risk evaluation and mitigation strategy (“REMS”) to assure the
safe use of the drug. If the FDA concludes a REMS is needed, the sponsor of the NDA or BLA must submit a proposed REMS. The FDA will not approve the NDA or BLA
without  an  approved  REMS,  if  required.  A  REMS  could  include  medication  guides,  physician  communication  plans  or  elements  to  assure  safe  use,  such  as  restricted
distribution  methods,  patient  registries  and  other  risk  minimization  tools.  Any  of  these  limitations  on  approval  or  marketing  could  restrict  the  commercial  promotion,
distribution,  prescription  or  dispensing  of  products.  Marketing  approval  may  be  withdrawn  for  noncompliance  with  regulatory  requirements  or  if  problems  occur  following
initial marketing.

Orphan Drug Act

The Orphan Drug Act provides incentives to manufacturers to develop and market drugs or biologics for rare diseases and conditions affecting fewer than 200,000 persons in
the U.S. at the time of application for orphan drug designation or for a patient population greater than 200,000 in the U.S. where there is no reasonable expectation that the cost
of developing the drug or biologic will be recovered from sales in the U.S. The first developer to receive FDA marketing approval for an orphan drug is entitled to a seven-year
exclusive marketing period in the U.S. for that product. However, a drug that the FDA considers to be clinically superior to, or different from, another approved orphan drug,
even though for the same indication, may also obtain approval in the U.S. during the seven-year exclusive marketing period. In addition, holders of exclusivity for orphan drugs
are expected to assure the availability of sufficient quantities of their orphan drugs to meet the needs of patients. Failure to do so could result in the withdrawal of marketing
exclusivity for the drug.

Pediatric Information

Under the Pediatric Research Equity Act of 2007 (“PREA”), NDAs or BLAs or supplements to NDAs or BLAs must contain data to assess the safety and effectiveness of the
drug for the claimed indication(s) in all relevant pediatric sub-populations and to support dosing and administration for each pediatric sub-population for which the drug is safe
and effective. The FDA may grant deferrals for submission of data or full or partial waivers. Unless otherwise required by regulation, PREA does not apply to any drug for an
indication for which orphan drug designation has been granted. The Best Pharmaceuticals for Children Act (“BPCA”) provides sponsors of NDAs with an additional six-month
period of market exclusivity for all unexpired patent or non-patent exclusivity on all forms of the drug containing the active moiety if the sponsor submits results of pediatric
studies  specifically  requested  by  the  FDA  under  BPCA  within  required  timeframes.  The  Biologics  Price  Competition  and  Innovation Act  provides  sponsors  of  BLAs  an
additional six-month extension for all unexpired non-patent market exclusivity on all forms of the biologic containing the active moiety pursuant to the BPCA if the conditions
under the BPCA are met.

The Food and Drug Administration Safety and Innovation Act (“FDASIA”), which was signed into law on July 9, 2012, amended the FDCA. FDASIA requires that a sponsor
who is planning to submit a marketing application for a drug or biological product that includes a new active ingredient, new indication, new dosage form, new dosing regimen
or new route of administration submit an initial Pediatric Study Plan (“PSP”) within sixty days of an end-of-Phase II meeting or as may be agreed between the sponsor and
FDA. The initial PSP must include an outline of the pediatric study or studies that the sponsor plans to conduct, including study objectives and design, age groups, relevant
endpoints and statistical approach, or a justification for not including such detailed information, and any request for a deferral of pediatric assessments or a full or partial waiver
of the requirement to provide data from pediatric studies along with supporting information. FDA and the sponsor must reach agreement on the PSP. A sponsor can submit
amendments  to  an  agreed-upon  initial  PSP  at  any  time  if  changes  to  the  pediatric  plan  need  to  be  considered  based  on  data  collected  from  nonclinical  studies,  early  phase
clinical trials, and/or other clinical development programs.

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Expedited Development and Review Programs

The FDA has a Fast Track program that is intended to expedite or facilitate the process for reviewing new drugs and biological products that meet certain criteria. Specifically,
new drugs and biological products are eligible for Fast Track designation if they are intended to treat a serious or life-threatening condition and demonstrate the potential to
address unmet medical needs for the condition. Fast Track designation applies to the combination of the product and the specific indication for which it is being studied. The
sponsor of a new drug or biologic may request the FDA to designate the drug or biologic as a Fast Track product at any time during the clinical development of the product. For
a Fast Track designated product, the FDA may consider for review sections of the marketing application on a rolling basis before the complete application is submitted, if the
sponsor  provides  a  schedule  for  the  submission  of  the  sections  of  the  application,  the  FDA  agrees  to  accept  sections  of  the  application  and  determines  that  the  schedule  is
acceptable, and the sponsor pays any required user fees upon submission of the first section of the application.

Any product submitted to the FDA for marketing, including under a Fast Track program, may be eligible for other types of FDA programs intended to expedite development
and review, such as priority review and accelerated approval. Fast Track designation, priority review and accelerated approval do not change the standards for approval but may
expedite  the  development  or  approval  process.  Any  product  is  eligible  for  priority  review  if  it  has  the  potential  to  provide  safe  and  effective  therapy  where  no  satisfactory
alternative therapy exists or a significant improvement in the treatment, diagnosis or prevention of a disease compared to marketed products. The FDA will attempt to direct
additional resources to the evaluation of an application for a new drug or biological product designated for priority review in an effort to facilitate the review. Additionally, a
product may be eligible for accelerated approval. Drug or biological products studied for their safety and effectiveness in treating serious or life-threatening illnesses and that
provide meaningful therapeutic benefit over existing treatments may receive accelerated approval, which means that they may be approved on the basis of adequate and well-
controlled clinical trials establishing that the product has an effect on a surrogate endpoint that is reasonably likely to predict a clinical benefit, or on the basis of an effect on a
clinical  endpoint  other  than  survival  or  irreversible  morbidity.  As  a  condition  of  approval,  the  FDA  may  require  that  a  sponsor  of  a  drug  or  biological  product  receiving
accelerated approval perform adequate and well-controlled post-marketing clinical trials. In addition, the FDA currently requires as a condition for accelerated approval pre-
approval of promotional materials, which could adversely impact the timing of the commercial launch of the product. If the FDA concludes that a drug shown to be effective
can  be  safely  used  only  if  distribution  or  use  is  restricted,  it  will  require  such  post-marketing  restrictions  as  it  deems  necessary  to  assure  safe  use  of  the  drug,  such  as  (i)
distribution restricted to certain facilities or physicians with special training or experience or (ii) distribution conditioned on the performance of specified medical procedures.

FDASIA  established  a  new  category  of  drugs  and  biologics  referred  to  as  “breakthrough  therapies”  that  may  be  eligible  to  receive  Breakthrough  Therapy  Designation.  A
sponsor may seek FDA designation of a drug or biologic candidate as a “breakthrough therapy” if the product is intended, alone or in combination with one or more other
products, to treat a serious or life-threatening disease or condition and preliminary clinical evidence indicates that the product may demonstrate substantial improvement over
existing therapies on one or more clinically significant endpoints, such as substantial treatment effects observed early in clinical development. The designation includes all of
the Fast Track program features, as well as more intensive FDA interaction and guidance. The Breakthrough Therapy Designation is a distinct status from both accelerated
approval and priority review, which can also be granted to the same drug if relevant criteria are met. If a product is designated as breakthrough therapy, the FDA will expedite
the development and review of such drug. All requests for breakthrough therapy designation will be reviewed within 60 days of receipt, and the FDA will either grant or deny
the request.

The  21st  Century  Cures  Act,  enacted  in  2016,  established  a  new  expedited  approval  program  for  regenerative  medicine  products,  including  cell  and  gene  therapies.  The
Regenerative  Medicine  Advanced  Therapy  (“RMAT”)  program  established  an  expedited  review  program  to  facilitate  development  and  review  of  regenerative  medicine
therapies intended to address an unmet medical need in patients with serious conditions. An investigational drug is eligible for RMAT designation if: (1) It meets the definition
of regenerative medicine therapy (such as a cell therapy or gene therapy); (2) it is intended to treat, modify, reverse, or cure a serious condition; and (3) preliminary clinical
evidence indicates that the regenerative medicine therapy has the potential to address unmet medical needs for such condition. Advantages of the RMAT designation include all
the benefits of the fast track and breakthrough therapy designation programs, including early interactions with FDA.

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Post-Approval Requirements

Once an approval is granted, the FDA may withdraw the approval if compliance with regulatory requirements or standards is not maintained or if problems occur after the
product  reaches  the  market.  Later  discovery  of  previously  unknown  problems  with  a  product  may  result  in  restrictions  on  the  product  or  even  complete  withdrawal  of  the
product from the market. After approval, some types of changes to the approved product, such as adding new indications, certain manufacturing changes and additional labeling
claims, are subject to further FDA review and approval. Drug and biologics manufacturers and other entities involved in the manufacture and distribution of approved drugs
and biologics are required to register their establishments with the FDA and certain state agencies and are subject to periodic unannounced inspections by the FDA and certain
state agencies for compliance with cGMP regulations and other laws and regulations.

U.S. Patent Term Restoration and Marketing Exclusivity

The  Biologics  Price  Competition  and  Innovation Act,  or  BPCIA,  amended  the  Public  Health  Service  Act  to  authorize  the  FDA  to  approve  similar  versions  of  innovative
biologics, commonly known as biosimilars. A competitor seeking approval of a biosimilar must file an application to establish its molecule as highly similar to an approved
innovator biologic, among other requirements. The BPCIA, however, bars the FDA from approving biosimilar applications based on the Company’s data for twelve years after
an innovator biological product receives initial marketing approval. This twelve-year period of data exclusivity may be extended by six months, for a total of twelve and a half
years, if the FDA requests that the innovator company conduct pediatric clinical investigations of the product.

Depending upon the timing, duration and specifics of the FDA approval of our drug candidates, some of our U.S. patents may be eligible for limited patent term extension
under  the  Drug  Price  Competition  and  Patent  Term  Restoration  Act  of  1984,  commonly  referred  to  as  the  Hatch-Waxman  Amendments.  The  Hatch-Waxman  Amendments
permit a patent restoration term of up to five years as compensation for patent term lost during product development and the FDA regulatory review process. However, patent
term extension cannot extend the remaining term of a patent beyond a total of fourteen years from the product’s approval date. The patent term extension period is generally
one-half the time between the effective date of an IND and the submission date of an NDA or BLA plus the time between the submission date of an NDA or BLA and the
approval of that application up to a maximum of five years extension. Only one patent applicable to an approved drug is eligible for the extension, and the application for the
extension must be submitted prior to the expiration of the patent. The USPTO, in consultation with the FDA, reviews and approves the application for any patent term extension
or restoration. In the future, we intend to apply for extension of the patent term for one of our currently owned or licensed patents to add patent life beyond its current expiration
date where reasonably obtainable and depending on the expected length of the clinical trials and other factors involved in the filing of the relevant NDA or BLA.

Marketing exclusivity provisions under the FDCA can also delay the submission or the approval of certain marketing applications. The FDCA provides a five-year period of
non-patent marketing exclusivity within the U.S. to the first applicant to obtain approval of an NDA for a new chemical entity. A drug is a new chemical entity if the FDA has
not  previously  approved  any  other  new  drug  containing  the  same  active  moiety,  which  is  the  molecule  or  ion  responsible  for  the  action  of  the  drug  substance.  During  the
exclusivity period, the FDA may not accept for review an abbreviated new drug application (ANDA), or a 505(b)(2) NDA submitted by another company for another drug
based on the same active moiety, regardless of whether the drug is intended for the same indication as the original innovator drug or for another indication, where the applicant
does not own or have a legal right of reference to all the data required for approval. However, an application may be submitted after four years if it contains a certification of
patent invalidity or non-infringement to one of the patents listed with the FDA by the innovator NDA holder. The FDCA also provides three years of marketing exclusivity for
an NDA or supplement to an existing NDA if new clinical investigations (other than bioavailability studies) that were conducted or sponsored by the applicant are deemed by
the  FDA  to  be  essential  to  the  approval  of  the  application  (e.g.,  new  indications,  dosages  or  strengths  of  an  existing  drug).  This  three-year  exclusivity  covers  only  the
modification for which the drug received approval on the basis of the new clinical investigations and does not prohibit the FDA from approving ANDAs for drugs containing
the  active  agent  for  the  original  indication  or  condition  of  use.  Five-year  and  three-year  exclusivity  will  not  delay  the  submission  or  approval  of  a  full  NDA.  However,  an
applicant submitting a full NDA would be required to conduct or obtain a right of reference to all of the preclinical studies and adequate and well-controlled clinical trials
necessary to demonstrate safety and effectiveness.

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Pediatric  exclusivity  is  another  type  of  regulatory  market  exclusivity  in  the  U.S.  under  the  BPCA.  Pediatric  exclusivity  provides  for  an  additional  six  months  of  marketing
exclusivity if a sponsor conducts clinical trials in children as addressed in the section named “Pediatric Information” above. In addition, orphan drug exclusivity, as described
above, may offer a seven-year period of marketing exclusivity, except in certain circumstances.

Foreign Regulation

In addition to regulations in the U.S., we will be subject to a variety of regulations in other jurisdictions governing, among other things, clinical trials and any commercial sales
and distribution of our drug candidates.

Whether  or  not  we  obtain  FDA  approval  for  our  drug  candidates,  we  must  obtain  the  requisite  approvals  from  regulatory  authorities  in  foreign  countries  prior  to  the
commencement of clinical trials or marketing of the drug candidates in those countries. Certain countries outside of the U.S. have a similar process that requires the submission
of a clinical trial application (“CTA”) much like the IND prior to the commencement of human clinical trials. In the European Union, for example, a CTA must be submitted to
each country’s national health authority and an independent ethics committee, much like the FDA and the IRB, respectively. Once the CTA is approved in accordance with a
country’s requirements, clinical study development may proceed.

The requirements and process governing the conduct of clinical trials, product approval and licensing, pricing and reimbursement vary from country to country. In all cases, the
clinical trials are conducted in accordance with GCP and the applicable regulatory requirements and the ethical principles that have their origin in the Declaration of Helsinki.

To obtain regulatory approval of an investigational drug or biological product under European Union regulatory systems, we must submit a marketing authorization application.
The  application  used  to  file  the  NDA  or  BLA  in  the  U.S.  is  similar  to  that  required  in  the  European  Union,  with  the  exception  of,  among  other  things,  country-specific
document requirements. The European Union also provides opportunities for market exclusivity. For example, in the European Union, upon receiving marketing authorization,
new  chemical  entities  generally  receive  eight  years  of  data  exclusivity  and  an  additional  two  years  of  market  exclusivity.  If  granted,  data  exclusivity  prevents  regulatory
authorities in the European Union from referencing the innovator’s data to assess a generic application. During the additional two-year period of market exclusivity, a generic
marketing authorization can be submitted, and the innovator’s data may be referenced, but no generic product can be marketed until the expiration of the market exclusivity.
However, there is no guarantee that a product will be considered by the European Union’s regulatory authorities to be a new chemical entity, and products may not qualify for
data exclusivity. Products receiving orphan designation in the European Union can receive ten years of market exclusivity, during which time no similar medicinal product for
the same indication may be placed on the market. An orphan product can also obtain an additional two years of market exclusivity in the European Union for pediatric studies.
No extension to any supplementary protection certificate can be granted on the basis of pediatric studies for orphan indications.

The criteria for designating an “orphan medicinal product” in the European Union are similar in principle to those in the U.S. Under Article 3 of Regulation (EC) 141/2000, a
medicinal product may be designated as orphan if (1) it is intended for the diagnosis, prevention or treatment of a life-threatening or chronically debilitating condition; (2)
either (a) such condition affects no more than five in 10,000 persons in the European Union when the application is made, or (b) the product, without the benefits derived from
orphan status, would not generate sufficient return in the European Union to justify investment; and (3) there exists no satisfactory method of diagnosis, prevention or treatment
of such condition authorized for marketing in the European Union, or if such a method exists, the product will be of significant benefit to those affected by the condition, as
defined in Regulation (EC) 847/2000. Orphan medicinal products are eligible for financial incentives such as reduction of fees or fee waivers and are, upon grant of a marketing
authorization,  entitled  to  ten  years  of  market  exclusivity  for  the  approved  therapeutic  indication.  The  application  for  orphan  drug  designation  must  be  submitted  before  the
application for marketing authorization. The applicant will receive a fee reduction for the marketing authorization application if the orphan drug designation has been granted,
but  not  if  the  designation  is  still  pending  at  the  time  the  marketing  authorization  is  submitted.  Orphan  drug  designation  does  not  convey  any  advantage  in,  or  shorten  the
duration of, the regulatory review and approval process.

16

 
 
 
 
 
  
 
 
 
 
 
 
 
 
The 10-year market exclusivity may be reduced to six years if, at the end of the fifth year, it is established that the product no longer meets the criteria for orphan designation,
for example, if the product is sufficiently profitable not to justify maintenance of market exclusivity. In addition, marketing authorization may be granted to a similar product
for the same indication at any time if:

·

·

·

the second applicant can establish that its product, although similar, is safer, more effective or otherwise clinically superior;

the applicant consents to a second orphan medicinal product application; or

the applicant cannot supply enough orphan medicinal products. 

For other countries outside of the European Union, such as countries in Eastern Europe, Latin America or Asia, the requirements governing the conduct of clinical studies,
product licensing or approval, pricing and reimbursement vary from country to country. In all cases, again, the clinical studies are conducted in accordance with GCP and the
applicable regulatory requirements and the ethical principles that have their origin in the Declaration of Helsinki.

If  we  fail  to  comply  with  applicable  foreign  regulatory  requirements,  we  may  be  subject  to,  among  other  things,  fines,  suspension  or  withdrawal  of  regulatory  approvals,
product recalls, seizure of products, operating restrictions and criminal prosecution.

Other Regulatory Matters

Manufacturing, sales, promotion and other activities following product approval are also potentially subject to regulation by numerous regulatory authorities in addition to the
FDA,  including,  in  the  U.S.,  the  Centers  for  Medicare  &  Medicaid  Services,  other  divisions  of  the  Department  of  Health  and  Human  Services,  the  Drug  Enforcement
Administration, the Consumer Product Safety Commission, the Federal Trade Commission, the Occupational Safety & Health Administration, the Environmental Protection
Agency  and  state  and  local  governments.  In  the  U.S.,  sales,  marketing  and  scientific/educational  programs  must  also  comply  with  state  and  federal  fraud  and  abuse  laws,
including state and federal anti-kickback, false claims, data privacy and security and physician payment transparency laws. Pricing and rebate programs must comply with the
Medicaid rebate requirements of the U.S. Omnibus Budget Reconciliation Act of 1990 and more recent requirements in the Patient Protection and Affordable Care Act, as
amended by the Health Care and Education Reconciliation Act of 2010, collectively the Affordable Care Act. If products are made available to authorized users of the Federal
Supply  Schedule  of  the  General  Services  Administration,  additional  laws  and  requirements  apply.  The  handling  of  any  controlled  substances  must  comply  with  the  U.S.
Controlled  Substances  Act  and  Controlled  Substances  Import  and  Export Act.  Products  must  meet  applicable  child-resistant  packaging  requirements  under  the  U.S.  Poison
Prevention  Packaging  Act.  Manufacturing,  sales,  promotion  and  other  activities  are  also  potentially  subject  to  federal  and  state  consumer  protection  and  unfair  competition
laws.

The  distribution  of  pharmaceutical  products  is  subject  to  additional  requirements  and  regulations,  including  extensive  record-keeping,  licensing,  storage  and  security
requirements intended to prevent the unauthorized sale of pharmaceutical products.

The failure to comply with regulatory requirements may subject us to possible legal or regulatory action. Depending on the circumstances, failure to meet applicable regulatory
requirements can result in criminal prosecution, fines or other penalties, injunctions, recall or seizure of products, total or partial suspension of production, denial or withdrawal
of  product  approvals  or  refusal  to  allow  a  firm  to  enter  into  supply  contracts,  including  government  contracts.  In  addition,  even  if  a  firm  complies  with  FDA  and  other
requirements, new information regarding the safety or efficacy of a product could lead the FDA to modify or withdraw product approval. Prohibitions or restrictions on sales or
withdrawal of future products marketed by us could materially affect our business in an adverse way.

Changes in regulations, statutes or the interpretation of existing regulations could impact our business in the future by requiring, for example: (i) changes to our manufacturing
arrangements; (ii) additions or modifications to product labeling; (iii) the recall or discontinuation of our products; or (iv) additional record-keeping requirements. If any such
changes were to be imposed, they could adversely affect the operation of our business.

17

 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
Reimbursement

In both domestic and foreign markets, sales and reimbursement of any approved products will depend, in part, on the extent to which the costs of such products will be covered
by third-party payors, such as government health programs, commercial insurance and managed healthcare organizations. These third-party payors are increasingly challenging
the prices charged for medical products and services and imposing controls to manage costs. The containment of healthcare costs has become a priority of federal and state
governments and the prices of drugs have been a focus in this effort. Governments have shown significant interest in implementing cost-containment programs, including price
controls, restrictions on reimbursement and requirements for substitution of generic products. For example, in the U.S. there have been several recent Congressional inquiries
and proposed and enacted federal and state legislation designed to, among other things, bring more transparency to drug pricing, review the relationship between pricing and
manufacturer patient programs, reduce the cost of drugs under Medicare and reform government program reimbursement methodologies for drugs. Additionally, in May 2018,
the  Trump  Administration  laid  out  a  “Blueprint”  to  lower  drug  prices  and  reduce  out-of-pocket  costs  of  drugs  that  contains  additional  proposals  to  increase  manufacturer
competition, increase the negotiating power of certain federal healthcare programs, incentivize manufacturers to lower the list price of their products and reduce the out-of-
pocket costs of drug products paid by consumers. While the Biden Administration has not continued this effort, it has the authority to institute other actions. In December of
2020, the Trump Administration issued interim final rules focused on attempting to lower drug prices, including permitting the importation of certain drugs from Canada, most-
favored nation pricing for certain drug categories under Medicare Part B and modifications to the Medicare Part D drug rebate program by modifying the U.S. federal Anti-
Kickback Statute. The Part B most-favored nation rule was blocked from taking effect on January 4, 2021, by a federal judge stating that the rule was rushed and the public was
not provided time to give comment as required by the Administrative Procedures Act. Then, on December 29, 2021, CMS issued a final rule that formally rescinded the most-
favored nation rule. There is also pending litigation to stay the changes to the Medicare Part D drug rebate program and the Anti-Kickback Statute. On January 30, 2021, the
District Court for the District of Columbia granted the parties’ stipulated request to delay the effective date of the Part D rebate rule to January 1, 2023.

At the state level, legislatures have increasingly passed legislation and implemented regulations designed to control pharmaceutical and biological product pricing, including
price or patient reimbursement constraints, discounts, restrictions on certain product access and marketing cost disclosure and transparency measures, and, in some cases, to
encourage importation from other countries and bulk purchasing.

Within  the  U.S.,  if  we  obtain  appropriate  approval  in  the  future  to  market  any  of  our  product  candidates,  we  may  seek  approval  and  coverage  for  those  products  under
Medicaid, Medicare and the Public Health Service, or PHS, pharmaceutical pricing program and may also seek to sell the products to federal agencies. Medicaid is a joint
federal and state program that is administered by the states for low-income and disabled beneficiaries. Under the Medicaid Drug Rebate Program, manufacturers are required to
pay a rebate for each unit of product reimbursed by the state Medicaid programs. The amount of the rebate for each product is set by law and may be subject to an additional
discount if certain pricing increases more than inflation. Medicare is a federal program administered by the federal government that covers individuals age 65 and over as well
as those with certain disabilities. Medicare Part D provides coverage to enrolled Medicare patients for self-administered drugs (i.e., drugs that do not need to be administered by
a physician). Medicare Part D is administered by private prescription drug plans approved by the U.S. government, and each drug plan establishes its own Medicare Part D
formulary for prescription drug coverage and pricing, which the drug plan may modify from time-to-time. Medicare Part B covers most injectable drugs given in an in-patient
setting  and  some  drugs  administered  by  a  licensed  medical  provider  in  hospital  outpatient  departments  and  doctors’  offices.  Medicare  Part  B  is  administered  by  Medicare
Administrative Contractors, which generally have the responsibility of making coverage decisions. Subject to certain payment adjustments and limits, Medicare generally pays
for  Part  B  covered  drugs  based  on  a  percentage  of  manufacturer-reported  average  sales  price.  Drug  products  are  subject  to  discounted  pricing  when  purchased  by  federal
agencies via the Federal Supply Schedule, or FSS. FSS participation is required for a drug product to be covered and paid for by certain federal agencies and for coverage under
Medicaid,  Medicare  Part  B  and  the  PHS  pharmaceutical  pricing  program.  FSS  pricing  is  negotiated  periodically  with  the  Department  of  Veterans  Affairs.  FSS  pricing  is
intended  to  not  exceed  the  price  that  a  manufacturer  charges  its  most-favored  non-federal  customer  for  its  product.  In  addition,  prices  for  drugs  purchased  by  the  Veterans
Administration, Department of Defense (including drugs purchased by military personnel and dependents through the TRICARE retail pharmacy program), Coast Guard and
PHS are subject to a cap on pricing (known as the “federal ceiling price”) and may be subject to an additional discount if pricing increases more than inflation. To maintain
coverage  of  drugs  under  the  Medicaid  Drug  Rebate  Program,  manufacturers  are  required  to  extend  discounts  to  certain  purchasers  under  the  PHS  pharmaceutical  pricing
program. Purchasers eligible for discounts include hospitals that serve a disproportionate share of financially-needy patients, community health clinics and other entities that
receive health services grants from the PHS.

18

 
 
 
 
 
 
 
 
 
 
 
In March 2010, the U.S. Congress enacted the Patient Protection and Affordable Care Act and the Health Care and Education Reconciliation Act, or the Affordable Care Act,
which  included  changes  to  the  coverage  and  payment  for  drug  products  under  government  health  care  programs.  Since  its  enactment,  there  have  been  judicial  and
Congressional challenges to numerous elements of the Affordable Care Act, as well as efforts by both the executive and legislative branches of the federal government to repeal
or  replace  certain  aspects  of  the  Affordable  Care  Act.  For  example,  the  former  President  Trump  signed  Executive  Orders  designed  to  delay  the  implementation  of  certain
provisions  of  the  Affordable  Care  Act  or  otherwise  circumvent  some  of  the  requirements  for  health  insurance  mandated  by  the  Affordable  Care  Act.  In  addition,  the  U.S.
Congress  has  considered  legislation  that  would  repeal  or  repeal  and  replace  all  or  part  of  the  Affordable  Care  Act.  While  Congress  has  not  passed  comprehensive  repeal
legislation, it has enacted laws that modify certain provisions of the Affordable Care Act, such as removing penalties, starting January 1, 2019, for not complying with the
Affordable Care Act’s individual mandate to carry health insurance, delaying the implementation of certain mandated fees and increasing the point-of-sale discount that is owed
by  pharmaceutical  manufacturers  who  participate  in  Medicare  Part  D.  In  December  2018,  a  Texas  U.S.  District  Court  Judge  ruled  that  the  Affordable  Care  Act  is
unconstitutional in its entirety because the “individual mandate” was repealed by Congress as part of the Tax Cuts and Jobs Act of 2017, or the Tax Act. Although the Supreme
Court ruled the plaintiffs did not have standing in June of 2021, any other executive, legislative or judicial action to “repeal and replace” all or part of the Affordable Care Act
may have the effect of limiting the amounts that government agencies will pay for healthcare products and services, which could result in reduced demand for our products or
additional pricing pressure, or may lead to significant deregulation, which could make the introduction of competing products and technologies much easier.

Regardless of the future of the Affordable Care Act provisions, the Congress will continue to debate a range of policies that could impact the prices pharmaceutical companies
charge for products or how much they are reimbursed.

Environmental Regulation

In  addition  to  being  subject  to  extensive  regulation  by  the  FDA,  we  must  also  comply  with  environmental  regulation  insofar  as  such  regulation  applies  to  us  or  our  drug
candidates. Our costs of compliance with environmental regulation as applied to similar pharmaceutical companies are minimal, since we do not currently, nor do we intend to,
engage in the manufacturing of any of our drug candidates. We currently use unaffiliated manufacturers to produce all of our drug candidate material and receive final material
from such manufacturer, without any involvement on our part in the manufacturing process at any stage of the process.

Although we believe that our safety procedures for using, handling, storing and disposing of our drug candidate materials comply with the environmental standards required by
state and federal laws and regulations, we cannot completely eliminate the risk of accidental contamination or injury from these materials. We do not carry a specific insurance
policy to mitigate this risk to us or to the environment.

Employees

At December 31, 2021, we employed four full-time employees. We are not a party to any collective bargaining agreement with our employees, nor are any of our employees a
member of any labor unions.

To complement our own professional staff, we utilize specialists in regulatory affairs, pharmacovigilance, process engineering, manufacturing, quality assurance, preclinical
and clinical development, accounting and business development. These individuals include scientific advisors as well as independent consultants.

Competition

The  pharmaceutical  and  biotechnology  industries  are  characterized  by  intense  competition  and  rely  heavily  on  the  ability  to  move  quickly,  adapt  to  changing  medical  and
market needs and to develop and maintain strong intellectual property positions. We believe that the development experience of our Scientific Advisory Board, our Board of
Directors and our scientific and management team, as well as the strength and promise of our drug candidates, provide us with a competitive advantage; nevertheless, we face
potential competition from a myriad of sources, many of which operate with greater resources and more mature products. These include pharmaceutical and biotechnology
companies, academic institutions, governmental agencies and public and private research institutions. Competition is intense and is expected to increase.

19

 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
Product and Technology Specific Competition

XCART for B-cell lymphomas

Should any product candidate incorporating the XCART platform technology be approved for use, we will face substantial competition. In addition to the current standard of
care for patients, commercial and academic clinical studies are being pursued by a number of parties in the field of immunotherapy. Early results from these studies have fueled
continued interest in T-cell immunotherapy. In addition, if approved, our CAR T cell programs would compete with currently-marketed drugs and therapies used for treatment
of the indications we are addressing and potentially with drug candidates currently in development for the same indications.

There are currently five CAR T therapies approved in the U.S. and EU: Novartis’ Kymriah (tisagenlecleucel); Gilead Sciences, Inc.’s and Kite Pharma’s Yescarta (axicabtagene
ciloleucel) and Tecartus (brexucabtagene autoleucel); and Bristol Myers Squibb’s Breyanzi (lisocabtagene maraleucel) and Abecma (idecabtagene vicleucel). However, there
are  over  one-hundred  CAR  T  therapy  products  in  development  with  more  than  thirty-five  being  allogeneic  and  off-the-shelf  cell  therapies.  In  addition,  depending  on  the
diseases that our CAR T therapies target, we may face competition in the indication of interest from both CAR T therapies and other modalities such as small molecules and
antibodies.

T-cell  based  treatments  for  cancer,  such  as  CAR  T  and  TCR  therapies,  have  recently  been  an  area  of  significant  research  and  development  by  academic  institutions  and
biopharmaceutical companies. XCART therapies may compete with product candidates from a number of companies that are currently focused on this therapeutic modality,
which we estimate to include over one-hundred other companies.

PSA for Drug Delivery

Current competing platforms include PEGylation, Fc-fusion, albumin-fusion, HESylation, PASylation, and CTP-fusion, among others as well as academic institutions and other
smaller pharmaceutical companies during the drug development stage. In addition to competing with universities and other research institutions in the development of drug
products,  therapies,  technologies  and  processes,  we  may  compete  with  other  companies  in  acquiring  rights  to  products  or  technologies  from  universities.  There  can  be  no
assurance that our products or drug candidates will be more effective or achieve greater market acceptance than competitive products or that these companies will not succeed
in  developing  products  and  technologies  that  are  more  effective  than  those  being  developed  for  us  or  that  would  render  our  products  and  technologies  less  competitive  or
obsolete.

Available Information

Our website address is www.xeneticbio.com. The information on, or that can be accessed through, our website is not part of this Annual Report on Form 10-K. Our Annual
Reports on Form 10-K, Quarterly Reports on Form 10-Q and Current Reports on Form 8-K and amendments to those reports are available, free of charge, on or through our
website  as  soon  as  practicable  after  we  electronically  file  such  forms,  or  furnish  them  to,  the  SEC.  The  SEC  maintains  an  internet  site  that  contains  reports,  proxy  and
information statements and other information regarding our filings at www.sec.gov.

In addition to disclosing current information pursuant to Section 13 or 15(d) of the Exchange Act and for reports of information required to be disclosed by Regulation FD
through our SEC filings, we also intend to disclose such current information through our investor relations website, press releases, public conference calls and webcasts.

20

 
 
 
 
  
 
 
 
 
 
 
  
 
 
 
 
 
ITEM 1A – RISK FACTORS

Our business is subject to numerous risks. You should consider carefully the risks and uncertainties described below, in addition to other information contained in this Annual
Report  as  well  as  our  other  public  filings  with  the  Securities  and  Exchange  Commission.  Any  of  the  following  risks  could  have  a  material  adverse  effect  on  our  business,
financial condition, results of operations and prospects and cause the trading price of our common stock to decline.

Risks Related to Our Financial Condition and Capital Requirements

We have never been profitable and may never achieve or sustain profitability. If we are unable to generate sufficient revenue from our operations to pay expenses or we are
unable  to  obtain  additional  financing  on  commercially  reasonable  terms,  our  business,  financial  condition  and  results  of  operations  may  be  materially  and  adversely
affected.

We are a clinical-stage biopharmaceutical company with a limited operating history. Pharmaceutical product and technology development is a highly speculative undertaking
and involves a substantial degree of risk. To date, we have focused primarily on developing XCART and researching additional drug candidates. We have no products approved
for commercial sale and have generated only limited revenue to date. Due to capital constraints in 2021, we focused solely on pre-clinical development efforts associated with
our  XCART  technology.  Our  primary  focus  is  on  advancing  the  XCART  technology  through  regulatory  approval  and  commercialization  and  that  we  will  continue  to  incur
significant research and development and other expenses related to our ongoing operations. As a result, we have never been profitable and we may not achieve profitability in
the foreseeable future, if at all. Our ability to generate profits in the future will depend on a number of factors, including: 

·

·
·
·
·
·
·
·
·
·

Funding  the  costs  relating  to  the  research  and  development,  regulatory  approval,  commercialization  and  sale  and  marketing  of  our  drug  candidates  and
technologies;
Market acceptance of our drug candidates and technologies;
Costs of acquiring and developing new drug candidates and technologies;
Ability to bring our drug candidates to market;
General and administrative costs relating to our operations;
Increases in our research and development costs;
Charges related to purchases of technology or other assets;
Establishing, maintaining and protecting our intellectual property rights;
Attracting, hiring and retaining qualified personnel; and
Our ability to raise additional capital.

As of December 31, 2021, we had an accumulated deficit of approximately $182.5 million. We expect to incur additional significant operating losses as we expand our research
and development activities and our commercialization, marketing and sales efforts. We may also encounter unforeseen expenses, difficulties, complications, delays and other
unknown  factors  that  may  adversely  affect  our  business.  In  addition,  because  of  the  numerous  risks  and  uncertainties  associated  with  pharmaceutical  product  development,
including that our current drug candidates may not achieve the clinical endpoints of applicable trials, we are unable to predict the timing or amount of increased expenses and if
or when we will achieve or maintain profitability. If we are unable to generate sufficient revenue from our operations to pay expenses or we are unable to obtain additional
financing on commercially reasonable terms, our business, financial condition and results of operations may be materially and adversely affected.

21

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
We will require substantial additional funding to achieve our goals. Failure to obtain this necessary capital when needed on acceptable terms, or at all, may force us to
delay, limit or terminate our product development efforts, other operations or commercialization efforts.

Developing drug candidates is an expensive, risky and lengthy process, and we expect our expenses to increase in connection with our ongoing activities, particularly as we
continue the research and development of, initiate clinical trials of, and seek marketing approval for, our drug candidates.

As of December 31, 2021, we had cash of approximately $18.2 million. We expect that we will require additional capital to commence and complete clinical trials, obtain
regulatory approval for, and to commercialize, our drug candidates, including our other preclinical drug candidates and our future drug candidates. However, our operating plan
may change as a result of many factors currently unknown to us, and we may need to seek additional funds sooner than planned. Additional funding may come through public
or private equity or debt financings, third-party funding, marketing and distribution arrangements or other collaborations, strategic alliances and licensing arrangements (or a
combination  of  these  approaches).  In  any  event,  we  will  require  additional  capital  to  pursue  preclinical  and  clinical  activities,  pursue  regulatory  approval  for,  and  to
commercialize, our longer term pipeline drug candidates. Even if we believe we have sufficient funds for our current or future operating plans, we may seek additional capital if
market conditions are favorable or if we have specific strategic considerations.

Our  ability  to  raise  additional  funds  will  depend  on  financial,  economic,  political,  and  market  conditions  and  other  factors  over  which  we  may  have  no  or  limited  control.
Market  volatility  resulting  from  the  ongoing  COVID-19  pandemic  or  other  factors,  such  as  geopolitical  tension,  including  the  recent  Russian  invasion  of  Ukraine,  and  any
resulting  sanctions,  export  controls  or  other  restrictive  actions,  could  also  adversely  impact  our  ability  to  access  capital  as  and  when  needed.  Additional  funds  may  not  be
available when we need them, on terms and at a cost that are acceptable to us, or at all.

Any additional fundraising efforts may divert our management from their day-to-day activities, which may adversely affect our ability to develop and commercialize our drug
candidates. In addition, we cannot guarantee that future financing will be available in sufficient amounts or on terms acceptable to us, if at all. Moreover, the terms of any
financing may negatively impact the holdings or the rights of our stockholders, and the issuance of additional securities (whether equity or debt) by us, or the possibility of such
issuance, may cause the market price of our shares to decline. The incurrence of indebtedness could result in increased fixed payment obligations, and we may be required to
agree to certain restrictive covenants, such as limitations on our ability to incur additional debt, limitations on our ability to acquire, sell or license intellectual property rights
and other operating restrictions that could adversely impact our ability to conduct our business.

If  we  are  unable  to  obtain  funding  on  a  timely  basis,  we  may  be  required  to  significantly  curtail,  delay  or  discontinue  our  pre-clinical  development  program  or  the
commercialization of any drug candidates. We may also be unable to expand our operations or otherwise capitalize on our business opportunities, as desired, which could harm
our business, financial condition and results of operations.

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

Until such time, if ever, as we can generate substantial product revenues, we expect to finance our cash needs through a combination of equity and debt financings, as well as
selectively  continuing  to  enter  into  collaborations,  strategic  alliances  and  licensing  arrangements.  For  example,  on  July  28,  2021,  we  completed  a  private  placement  of  our
common stock, which resulted in gross proceeds of approximately $11.5 million before deducting the placement agent’s fees and related offering expenses. We do not currently
have any committed external source of funds. To the extent that we raise additional capital through the sale of equity or convertible debt securities, equity interests will be
diluted,  and  the  terms  of  these  securities  may  include  liquidation  or  other  preferences  that  adversely  affect  the  rights  of  our  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. Such debt financing may also be secured by all or a portion of our assets.

If we raise funds by selectively continuing to enter into collaborations, strategic alliances or licensing arrangements with third parties, we may have to relinquish additional
valuable rights to our technologies, future revenue streams, research programs or drug candidates, or we may have 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 drug candidates that we would otherwise prefer to develop and market ourselves. If we are unable to raise
additional funds through collaborations, strategic alliances or licensing arrangements, we may be required to terminate product development or future commercialization efforts
or to cease operations altogether.

22

 
 
 
 
 
 
 
 
 
  
 
 
 
 
Risks Related to the Discovery and Development of our Pharmaceutical Products

Our business is substantially dependent on the success of XCART.

Our business will substantially depend on the successful clinical development, regulatory approval and commercialization of the XCART platform technology. It will require
substantial clinical development and regulatory approval efforts before we are permitted to commence its commercialization, if ever. We have, and plan to continue to, pursue
our clinical development strategy through academic and strategic collaborations. If we have difficulty maintaining, obtaining, or are unable to obtain these collaborations and
additional academic collaborations as planned, we may need to delay, limit or terminate any ongoing or planned clinical development, which would have an adverse effect on
our business. The clinical trials and manufacturing and marketing of XCART and any other product candidates will be subject to extensive and rigorous review and regulation
by numerous government authorities in the United States, the European Union and other jurisdictions where we intend to test and, if approved, market our product candidates.
Before obtaining regulatory approvals for the commercial sale of any product candidate, we must demonstrate through preclinical testing and clinical trials that the product
candidate is safe and effective for use in each target indication and potentially in specific patient populations. This process can take many years and may include post-marketing
studies  and  surveillance,  which  would  require  the  expenditure  of  substantial  resources  beyond  the  proceeds  we  have  currently  raised.  Of  the  large  number  of  drugs  in
development for approval in the United States and the European Union, only a small percentage successfully complete the FDA or EMA regulatory-approval processes, as
applicable, and are commercialized. Accordingly, even if we are able to obtain the requisite financing or identify an academic collaboration partner to continue to fund our
research, development and clinical programs, we cannot assure you that XCART or any of our other product candidates will be successfully developed or commercialized.

We  are  an  early  stage  company  in  the  business  of  developing  pharmaceutical  products  including  drug  candidates  and  technologies.  Given  the  uncertainty  of  such
development, our business operations may never fully materialize and create value for investors.

We have invested substantially all of our efforts and financial resources in developing our products, and we currently do not have any products that have gained marketing
approval. Our revenues to date consist primarily of collaboration and royalty revenue from a single partner and not from product sales. Our ability to generate product revenues,
which  may  not  occur  for  several  years,  if  ever,  will  depend  on  the  successful  development  and  eventual  commercialization  of  our  drug  candidates.  We  currently  generate
royalty revenue under a sub-license agreement but do not have revenue from sales of any drugs, and we may never be able to develop or commercialize a marketable drug.
Each  of  our  drug  candidates  will  require  development,  management  of  development  and  manufacturing  activities,  marketing  approval  in  multiple  jurisdictions,  obtaining
manufacturing supply, building of a commercial organization, substantial investment and significant marketing efforts before we generate any revenues from drug sales. We
have not yet demonstrated an ability to successfully overcome many of the risks and uncertainties frequently encountered by companies in new and rapidly-evolving fields,
particularly in the pharmaceutical area. For example, to execute our business plan we will need to successfully:

·
·
·
·
·

·

·
·
·

Execute development activities for our drug candidates, including successful enrollment in and completion of clinical trials;
Obtain required marketing approvals for the development and commercialization of our drug candidates;
Obtain and maintain patent and trade secret protection or regulatory exclusivity for our drug candidates;
Protect, leverage and expand our intellectual property portfolio;
Establish  and  maintain  clinical  and  commercial  manufacturing  capabilities  or  make  arrangements  with  third-party  manufacturers  for  clinical  and  commercial
manufacturing;
Build and maintain robust sales, distribution and marketing capabilities, either on our own or in collaboration with strategic partners, if our drug candidates are
approved;
Gain acceptance for our drug candidates, if approved, by patients, the medical community and third-party payors;
Effectively compete with other therapies;
Obtain and maintain healthcare coverages and adequate reimbursement;

23

 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
·
·
·
·

Maintain a continued acceptable safety profile for our drug candidates following approval;
Develop and maintain any strategic relationships we elect to enter into, if any;
Enforce and defend intellectual property rights and claims; and
Manage our spending as costs and expenses increase due to preclinical development, clinical trials, marketing approvals and commercialization.

We may find it difficult to enroll patients in our clinical studies, which could delay or prevent clinical studies of our pharmaceutical products.

Identifying and qualifying patients to participate in clinical studies of our pharmaceutical products is critical to our success. The timing of our clinical studies depends on the
speed at which we can recruit patients to participate in testing our pharmaceutical products. We may experience delays. If patients are unwilling to participate in our clinical
studies  because  of  negative  publicity  from  adverse  events  in  the  biopharmaceutical  industries  or  for  other  reasons,  including  competitive  clinical  studies  for  similar  patient
populations,  the  timeline  for  recruiting  patients,  conducting  studies  and  obtaining  regulatory  approval  of  potential  products  may  be  delayed.  These  delays  could  result  in
increased costs, delays in advancing our product development, delays in testing the effectiveness of our technology or termination of the clinical studies altogether.

We may not be able to identify, recruit and enroll a sufficient number of patients, or those with required or desired characteristics to achieve diversity in a study, to complete our
clinical studies in a timely manner. Patient enrollment is affected by many factors, including:

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Severity of the disease under investigation;
Real or perceived availability of alternative treatments;
Size and nature of the patient population;
Eligibility criteria for and design of the trial in question;
Perceived risks and benefits of the drug candidate under study;
Proximity and availability of clinical sites for prospective patients;
Ongoing clinical trials of potentially competitive agents;
Physicians’ and patients’ perceptions as to the potential advantages of our drug candidates being studied in relation to available therapies or other products under
development;
Our CRO’s and our trial sites’ efforts to facilitate timely enrollment in clinical trials;
Patient referral practices of physicians; and
The need to monitor patients and collect patient data adequately during and after treatment.

We may not be able to initiate or continue clinical studies if we cannot enroll a sufficient number of eligible patients to participate in the clinical studies required by the FDA or
other regulatory agencies. Our ability to successfully initiate, enroll and complete a clinical study in any foreign country is subject to numerous risks unique to conducting
business in foreign countries, including:

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Difficulty in establishing or managing relationships with CROs and physicians;
Different standards for the conduct of clinical studies;
Our inability to locate qualified local consultants, physicians and partners; and
The potential burden of complying with a variety of foreign laws, medical standards and regulatory requirements, including the regulation of pharmaceutical
and biotechnology products and treatment.

If we have difficulty enrolling a sufficient number of patients to conduct our clinical studies as planned, we may need to delay, limit or terminate ongoing or planned clinical
studies, any of which would have an adverse effect on our business.

24

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
We may encounter substantial delays in commencement, enrollment or completion of our clinical trials, or we may fail to demonstrate safety and efficacy to the satisfaction
of applicable regulatory authorities, which could prevent us from commercializing our current and future drug candidates on a timely basis, if at all.

Before obtaining marketing approval from regulatory authorities for the sale of our current and future drug candidates, we must conduct extensive clinical trials to demonstrate
the safety and efficacy of the drug candidates. We cannot guarantee that any clinical studies will be conducted as planned or completed on schedule, if at all. A failure of one or
more clinical studies can occur at any stage of testing. Events that may prevent successful or timely completion of clinical development include:

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Delays in reaching a consensus with regulatory agencies on study design;
Delays in reaching agreement on acceptable terms with prospective CROs and clinical study sites;
Delays in obtaining required IRB, or Independent Ethics Committee approval at each clinical study site;
Delays in recruiting suitable patients to participate in our clinical studies;
Imposition of a clinical hold by regulatory agencies, including after an inspection of our clinical study operations or study sites;
Failure by our CROs, other third parties or us to adhere to clinical study requirements;
Failure to perform in accordance with the FDA’s GCP or applicable regulatory requirements in other countries;
Delays in the testing, validation, manufacturing and delivery of our drug candidates to the clinical sites;
Delays in having patients complete participation in a study or return for post-treatment follow-up;
Clinical study sites or patients dropping out of a study;
Clinical trial results may fail to demonstrate the safety and/or efficacy of the drug candidate;
Occurrence of serious adverse events associated with the drug candidate that are viewed to outweigh its potential benefits; or
Changes in regulatory requirements and guidance that require amending or submitting new clinical protocols.

Any inability to successfully complete preclinical studies and clinical trials could result in additional costs to us or impair our ability to generate revenues from product sales,
regulatory  and  commercialization  milestones  and  royalties.  In  addition,  if  we  make  manufacturing  or  formulation  changes  to  our  drug  candidates,  we  may  need  to  conduct
additional studies to bridge our modified drug candidates to earlier versions. Clinical trial delays also could shorten any periods during which we may have the exclusive right
to commercialize our drug candidates or allow our competitors to bring products to market before we do, which could impair our ability to successfully commercialize our drug
candidates and may harm our business, financial condition, results of operations and prospects.

If the results of our clinical studies are inconclusive or if there are safety concerns or adverse events associated with our pharmaceutical products, we may:

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Be delayed in obtaining marketing approval or licenses for our drug candidates, if we receive them at all;
Obtain approval for indications or patient populations that are not as broad as intended or desired;
Obtain approval with labeling that includes significant use or distribution restrictions or safety warnings;
Be subject to changes with the way the product is administered;
Be required to perform additional clinical studies to support approval or be subject to additional post-marketing testing requirements;
Have  regulatory  authorities  withdraw  their  approval  of  the  product  or  impose  restrictions  on  its  distribution  in  the  form  of  a  modified  risk  evaluation  and
mitigation strategy;
Be subject to the addition of labeling statements, such as warnings or contraindications;
Be sued; or
Experience damage to our reputation.

As described above, any of these events could prevent us from achieving or maintaining market acceptance of our pharmaceutical products and impair our ability to generate
revenues.

25

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Clinical trials may fail to demonstrate the safety and efficacy of our pharmaceutical drug candidates and could prevent or significantly delay regulatory approval.

Before receiving NDA or BLA approval to commercialize a drug candidate, we must demonstrate to the FDA, with substantial evidence from well-controlled clinical trials, that
the drug candidate is both safe and effective or the biologic is safe, pure and potent. If these trials or future clinical trials are unsuccessful, our business and reputation could be
harmed and our stock price could be adversely affected.

Clinical  failure  can  occur  at  any  stage  of  clinical  development.  Clinical  trials  may  produce  negative  or  inconclusive  results,  and  we  or  any  of  our  current  and  future
collaborators  may  decide,  or  regulators  may  require  us,  to  conduct  additional  clinical  or  preclinical  testing.  We  will  be  required  to  demonstrate  with  substantial  evidence
through well-controlled clinical trials that our drug candidates are as safe and effective for use in a specific patient population as the respective reference products before we can
seek regulatory approvals for their commercial sale. Success in early clinical trials does not mean that future larger registration clinical trials will be successful because drug
candidates  in  later-stage  clinical  trials  may  fail  to  demonstrate  equivalent  safety  and  efficacy  to  the  satisfaction  of  the  FDA  and  foreign  regulatory  agencies  despite  having
progressed  through  initial  clinical  trials.  Drug  candidates  that  have  shown  promising  results  in  early  clinical  trials  may  still  fail  in  subsequent  confirmatory  clinical  trials.
Similarly, the outcome of preclinical testing and early clinical trials may not be predictive of the success of later clinical trials, and interim results of a clinical trial do not
necessarily predict final results. A number of companies in the pharmaceutical industry, including those with greater resources and experience than us, have suffered significant
setbacks in advanced clinical trials, even after obtaining promising results in earlier clinical trials.

In addition, the design of a clinical trial can determine whether its results will support approval of a product, and flaws in the design of a clinical trial may not become apparent
until  the  clinical  trial  is  well  advanced.  We  may  be  unable  to  design  and  execute  a  clinical  trial  to  support  regulatory  approval.  In  some  instances,  there  can  be  significant
variability  in  safety  or  efficacy  results  between  different  trials  of  the  same  drug  candidate  due  to  numerous  factors,  including  but  not  limited  to,  changes  in  trial  protocols,
differences in size and type of the patient populations, adherence to the dosing regimen and the rate of dropout among clinical trial participants.

Because  of  these  risks,  our  research  and  development  efforts,  and  those  of  our  collaborative  partners,  may  not  result  in  any  commercially  viable  products.  If  a  significant
portion of these development efforts is not successfully completed, or if required regulatory approvals are not obtained by us or our partners, or any approved products are not
commercially successful, we may not generate significant revenues or become profitable.

If we complete the necessary preclinical and clinical studies, we cannot predict when or if we will obtain regulatory approval to commercialize a drug candidate, or the
approval may be for a more narrow indication than we expect.

A  drug  candidate  cannot  be  commercialized  until  the  appropriate  regulatory  authorities  have  reviewed  and  approved  the  drug  candidate.  Even  if  our  drug  candidates
demonstrate  safety  and  efficacy  in  clinical  studies,  the  regulatory  agencies  may  not  complete  their  review  processes  in  a  timely  manner,  or  we  may  not  be  able  to  obtain
regulatory approval. Additional delays may result if an FDA Advisory Committee or other regulatory advisory group or authority recommends non-approval or restrictions on
approval.  In  addition,  we  may  experience  delays  or  rejections  based  upon  additional  government  regulation  from  future  legislation  or  administrative  action  or  changes  in
regulatory agency policy during the period of product development, clinical studies and the review process. Regulatory agencies also may approve a drug candidate for fewer or
more  limited  indications  than  requested  or  may  grant  approval  subject  to  the  performance  of  post-marketing  studies.  In  addition,  regulatory  agencies  may  not  approve  the
labeling claims that are necessary or desirable for the successful commercialization of our drug candidates. Failure to obtain, or a delay in obtaining, regulatory approval to
commercialize a drug candidate will impair our ability to generate revenues and harm our business prospects.

If we obtain regulatory approval for a drug candidate, our drug candidate will remain subject to regulatory scrutiny.

If our drug candidates are approved, they will be subject to ongoing regulatory requirements for manufacturing, labeling, packaging, storage, advertising, promotion, sampling,
record-keeping, conduct of post-marketing studies and submission of safety, efficacy and other post-market information, including both federal and state requirements in the
United States and requirements of comparable foreign regulatory authorities.

26

 
 
 
 
 
  
    
 
 
 
 
 
 
 
 
 
Manufacturers  and  manufacturing  facilities  are  required  to  comply  with  extensive  FDA  and  comparable  foreign  regulatory  authority  requirements,  including  ensuring  that
quality control and manufacturing procedures conform to cGMP regulations. As such, we will be subject to continual review and inspections to assess compliance with cGMP
and adherence to commitments made in any NDA, BLA or marketing authorization application (“MAA”). Accordingly, we and our collaborators and suppliers must continue to
expend time, money and effort in all areas of regulatory compliance, including manufacturing, production and quality control.

Any  regulatory  approvals  that  we  or  our  collaboration  partners  receive  for  our  drug  candidates  may  be  subject  to  limitations  on  the  approved  indicated  uses  for  which  the
product may be marketed or to the conditions of approval or may contain requirements for potentially costly additional clinical trials and surveillance to monitor the safety and
efficacy  of  the  drug  candidate.  We  will  be  required  to  report  certain  adverse  reactions  and  production  problems,  if  any,  to  the  FDA  and  comparable  foreign  regulatory
authorities.  Any  new  legislation  addressing  drug  safety  or  other  issues  related  to  regulatory  review  and  approval  could  result  in  delays  in  product  development  or
commercialization or increased costs to assure compliance. We will have to comply with requirements concerning advertising and promotion for our products. Promotional
communications  with  respect  to  prescription  drugs  are  subject  to  a  variety  of  legal  and  regulatory  restrictions  and  must  be  consistent  with  the  information  in  the  product’s
approved label. As such, we are not allowed to promote our products for indications or uses for which they do not have approval. If our drug candidates are approved, we must
submit new or supplemental applications and obtain approval for certain changes to the approved products, product labeling or manufacturing process. We could also be asked
to  conduct  post-marketing  clinical  trials  to  verify  the  safety  and  efficacy  of  our  products  in  general  or  in  specific  patient  subsets.  An  unsuccessful  post-marketing  study  or
failure to complete such a study could result in the withdrawal of marketing approval.

If a regulatory agency discovers previously unknown problems with an approved product, such as adverse events of unanticipated severity or frequency or problems with our
manufacturing facilities, or if a regulatory agency disagrees with the promotion, marketing or labeling of a product, such regulatory agency may impose restrictions on that
product or us, including requiring withdrawal of the product from the market. If we fail to comply with applicable regulatory requirements, a regulatory agency or enforcement
authority may, among other things:

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Issue untitled and warning letters;
Impose civil or criminal penalties;
Suspend or withdraw regulatory approval or revoke a license;
Suspend any of our ongoing clinical trials;
Refuse to approve pending applications or supplements to approved applications submitted by us;
Impose restrictions on our operations, including closing our manufacturing facilities; or
Seize or detain products or require a product recall.

Any government investigation of alleged violations of law could require us to expend significant time and resources in response and could generate negative publicity. Any
failure  to  comply  with  ongoing  regulatory  requirements  may  significantly  and  adversely  affect  our  ability  to  commercialize  and  generate  revenue  from  our  products.  If
regulatory sanctions are applied or if regulatory approval is withdrawn, the value of the Company and our operating results will be negatively impacted.

The commercial success of any current or future pharmaceutical products will depend upon the degree of market acceptance by physicians, patients, third-party payors
and others in the medical community.

27

 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Even  with  the  requisite  approvals,  the  commercial  success  of  our  pharmaceutical  products  will  depend  in  part  on  the  medical  community,  patients  and  third-party  payors
accepting  our  pharmaceutical  products  as  medically  useful,  cost-effective  and  safe.  Any  pharmaceutical  product  that  we,  or  our  partners,  bring  to  the  market  may  not  gain
market  acceptance  by  physicians,  patients,  third-party  payors  or  others  in  the  medical  community.  The  degree  of  market  acceptance  of  these  pharmaceutical  products,  if
approved for commercial sale, will depend on a number of factors, including:

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The effectiveness of our approved drug candidates as compared to currently available products;
Patient willingness to adopt our approved drug candidates in place of current therapies;
Our ability to provide acceptable evidence of safety and efficacy;
Relative convenience and ease of administration;
The prevalence and severity of any adverse side effects;
Restrictions on use in combination with other products;
Availability of alternative treatments;
Pricing and cost-effectiveness assuming either competitive or potential premium pricing requirements, based on the profile of our drug candidates and target
markets;
Effectiveness of our or our partners’ sales and marketing strategy;
Our ability to obtain sufficient third-party coverage or reimbursement; and
Potential product liability claims.

Even if a potential product displays a favorable efficacy and safety profile in preclinical and clinical studies, market acceptance of the product will not be known until after it is
launched. Our efforts to educate the medical community and third-party payors on the benefits of the pharmaceutical products may require a significant amount of resources
and may never be successful. If these products do not achieve an adequate level of acceptance, we may not generate significant product revenue and may not become profitable.

The commercial potential of a pharmaceutical candidate in development is difficult to predict. If the market size for a new drug candidate or technology is significantly
smaller than we anticipate, it could significantly and negatively impact our revenue, results of operations and financial condition.

It  is  very  difficult  to  estimate  the  commercial  potential  of  pharmaceutical  products  due  to  important  factors,  such  as  safety  and  efficacy  compared  to  other  available
technologies or treatments, including changing standards of care, third-party payor reimbursement standards, patient and physician preferences, the availability of competitive
alternatives that may emerge either during the long drug development process or after commercial introduction and the availability of generic versions of our successful drug
candidates following approval by government health authorities, based on the expiration of regulatory exclusivity or our inability to prevent generic versions from coming to
market by asserting our patents. If due to these factors, or others, the market potential for a pharmaceutical product is lower than we anticipated, it could significantly and
negatively impact the commercial terms of any collaboration partnership potential for such pharmaceutical product or, if we have already entered into a collaboration for such
pharmaceutical product, the revenue potential from royalty and milestone payments could be significantly diminished, which would negatively impact our business, financial
condition and results of operations.

Failure to obtain or maintain adequate coverage and reimbursement for our drug candidates, if approved, could limit our ability to market those products and decrease our
ability to generate revenue.

The success of our drug candidates, if approved, depends on the availability of adequate coverage and reimbursement from third-party payors. In addition, because our drug
candidates represent new approaches to the treatment of certain diseases, we cannot be sure that coverage and reimbursement will be available for, or accurately estimate the
potential revenue from, our drug candidates or assure that coverage and reimbursement will be available for any product that we may develop.

28

 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
Patients  who  are  provided  medical  treatment  for  their  conditions  generally  rely  on  third-party  payors  to  reimburse  all  or  part  of  the  costs  associated  with  their  treatment.
Adequate coverage and reimbursement from governmental healthcare programs, such as Medicare and Medicaid, and commercial payors are critical to new product acceptance.

Government authorities and third-party payors, such as private health insurers and health maintenance organizations, decide which drugs and treatments they will cover and the
amount of reimbursement. Coverage and reimbursement by a third-party payor may depend upon a number of factors, including the third-party payor’s determination that use
of a product is:

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A covered benefit under its health plan;
Safe, effective and medically necessary;
Appropriate for the specific patient;
Cost-effective; and
Neither experimental nor investigational.

In  the  United  States,  no  uniform  policy  of  coverage  and  reimbursement  for  products  exists  among  third-party  payors.  As  a  result,  obtaining  coverage  and  reimbursement
approval of a product from a government or other third-party payor is a time-consuming and costly process that could require us to provide to each payor supporting scientific,
clinical and cost-effectiveness data for the use of our products on a payor-by-payor basis, with no assurance that coverage and adequate reimbursement will be obtained. Even if
we obtain coverage for a given product, the resulting reimbursement payment rates might not be adequate for us to achieve or sustain profitability or may require co-payments
that  patients  find  unacceptably  high.  Additionally,  third-party  payors  may  not  cover,  or  provide  adequate  reimbursement  for,  long-term  follow-up  evaluations  required
following  the  use  of  our  gene-modifying  products.  Patients  are  unlikely  to  use  our  drug  candidates  unless  coverage  is  provided  and  reimbursement  is  adequate  to  cover  a
significant  portion  of  the  cost  of  our  drug  candidates.  There  is  significant  uncertainty  related  to  insurance  coverage  and  reimbursement  of  newly-approved  products.  It  is
difficult to predict at this time what third-party payors will decide with respect to the coverage and reimbursement for our drug candidates.

Moreover, increasing efforts by governmental and third-party payors in the United States and abroad to cap or reduce healthcare costs may cause such organizations to limit
both  coverage  and  the  level  of  reimbursement  for  newly-approved  products  and,  as  a  result,  they  may  not  cover  or  provide  adequate  payment  for  our  drug  candidates.  We
expect to experience pricing pressures in connection with the sale of any of our drug candidates due to the trend toward managed healthcare, the increasing influence of health
maintenance organizations, cost containment initiatives and additional legislative changes.

We intend to seek approval to market our drug candidates in both the United States and in select foreign jurisdictions. If we obtain approval in one or more foreign jurisdictions
for  our  drug  candidates,  we  will  be  subject  to  rules  and  regulations  in  those  jurisdictions.  In  some  foreign  countries,  the  pricing  of  pharmaceutical  products  is  subject  to
governmental  control  and  other  market  regulations  which  could  put  pressure  on  the  pricing  and  usage  of  our  drug  candidates.  In  these  countries,  pricing  negotiations  with
governmental authorities can take considerable time after obtaining marketing approval of a drug candidate. In addition, market acceptance and sales of our drug candidates
will depend significantly on the availability of adequate coverage and reimbursement from third-party payors for our drug candidates and may be affected by existing and future
health care reform measures. Failure to obtain or maintain adequate coverage and reimbursement for our drug candidates, if approved, could limit our ability to market those
products and decrease our ability to generate revenue.

We may use our financial and human resources to pursue a particular research program or drug candidate and fail to capitalize on programs or drug candidates that may
be more profitable or for which there is a greater likelihood of success.

Because we have limited resources, we may forego or delay pursuit of opportunities with certain programs, drug candidates or for indications that later prove to have greater
commercial potential. Our resource allocation decisions may cause us to fail to capitalize on viable commercial products or profitable market opportunities. Our spending on
current and future research and development programs for drug candidates may not yield any commercially viable products. If we do not accurately evaluate the commercial
potential or target market for a particular drug candidate, we may relinquish valuable rights to that drug candidate through strategic collaboration, licensing or other royalty
arrangements  in  cases  in  which  it  would  have  been  more  advantageous  for  us  to  retain  sole  development  and  commercialization  rights  to  such  drug  candidate,  or  we  may
allocate internal resources to a drug candidate in a therapeutic area in which it would have been more advantageous to enter into a partnering arrangement. Failure to pursue
opportunities with greater commercial potential or relinquishing valuable rights to drug candidates may adversely impact our business, results of operations and prospects.

29

 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
We may not be successful in our efforts to identify or discover additional pharmaceutical products.

The  success  of  our  business  depends  primarily  upon  our  ability  to  identify  and  develop  pharmaceutical  products.  Our  research  programs  may  fail  to  identify  potential
pharmaceutical products for clinical development for a number of reasons. Our research methodology may be unsuccessful in identifying potential pharmaceutical products, or
our potential pharmaceutical products may be shown to have harmful side effects or may have other characteristics that may make the products unmarketable or unlikely to
receive marketing approval.

If any of these events occur, we may be forced to abandon our development efforts for a program or programs, which would have a material adverse effect on our business and
could potentially cause us to cease operations. Research programs to identify new pharmaceutical products require substantial technical, financial and human resources. We
may focus our efforts and resources on potential programs or pharmaceutical products that ultimately prove to be unsuccessful. If we are not successful in our efforts to identify
or discover additional pharmaceutical products, it could adversely affect our business, results of operations and prospects.

We may fail to obtain orphan drug designations from the FDA for our drug candidates, and even if we obtain such designations, we may be unable to maintain the benefits
associated with orphan drug designation, including the potential for market exclusivity.

Under the Orphan Drug Act, the FDA may grant orphan drug designation to a drug or biologic intended to treat a rare disease or condition, which is defined as one occurring in
a patient population of fewer than 200,000 in the United States, or a patient population greater than 200,000 in the United States where there is no reasonable expectation that
the cost of developing the drug or biologic will be recovered from sales in the United States. In the United States, orphan drug designation entitles a party to financial incentives
such as opportunities for grant funding towards clinical trial costs, tax advantages and user-fee waivers. In addition, if a product that has orphan drug designation subsequently
receives the first FDA approval for the disease for which it has such designation, the product is entitled to orphan drug exclusivity, which means that the FDA may not approve
any other applications, including a full NDA or BLA, to market the same drug or biologic for the same indication for seven years, except in limited circumstances, such as a
showing of clinical superiority to the product with orphan drug exclusivity or where the manufacturer is unable to assure sufficient product quantity.

We may seek to obtain orphan drug designation for our active drug candidates for any qualifying indications they may be approved for in the future. Even if we obtain such
designations,  we  may  not  be  the  first  to  obtain  marketing  approval  of  our  drug  candidate  for  the  orphan-designated  indication  due  to  the  uncertainties  associated  with
developing pharmaceutical products. In addition, exclusive marketing rights in the United States may be limited if we seek approval for an indication broader than the orphan-
designated indication, or may be lost if the FDA later determines that the request for designation was materially defective or if the manufacturer is unable to assure sufficient
quantities of the product to meet the needs of patients with the rare disease or condition. Further, even if we obtain orphan drug exclusivity for a product, that exclusivity may
not effectively protect the product from competition because different drugs with different active moieties can be approved for the same condition. Even after an orphan product
is  approved,  the  FDA  can  subsequently  approve  the  same  drug  with  the  same  active  moiety  for  the  same  condition  if  the  FDA  concludes  that  the  later  drug  is  safer,  more
effective or makes a major contribution to patient care. Orphan drug designation neither shortens the development time or regulatory review time of a drug, nor gives the drug
any  advantage  in  the  regulatory  review  or  approval  process.  In  addition,  even  if  we  seek  orphan  drug  designation  for  our  drug  candidates,  we  may  never  receive  such
designations.

The market opportunities for our drug candidates may be limited to those patients who are ineligible for or have failed prior treatments and may be small.

Cancer therapies are sometimes characterized as first line, second line or third line, and the FDA often approves new therapies initially only for third line use. When cancer is
detected  early  enough,  first  line  therapy  is  sometimes  adequate  to  cure  the  cancer  or  prolong  life  without  a  cure.  Whenever  first  line  therapy,  which  usually  consists  of
chemotherapy, hormone therapy, surgery or a combination of these, proves unsuccessful, second line therapy may be administered. Second line therapies often consist of more
chemotherapy, radiation, antibody drugs, tumor targeted small molecules or a combination of these. Third line therapies can include bone marrow transplantation, antibody and
small molecule targeted therapies, more invasive forms of surgery and new technologies. In markets with approved therapies, we expect to initially seek approval of our drug
candidates  as  a  later  stage  therapy  for  patients  who  have  failed  other  approved  treatments.  Subsequently,  for  those  drugs  that  prove  to  be  sufficiently  beneficial,  if  any,  we
would expect to seek approval as a second line therapy and potentially as a first line therapy, but there is no guarantee that our drug candidates, even if approved, would be
approved for second line or first line therapy. In addition, we may have to conduct additional clinical trials prior to gaining approval for second line or first line therapy.

30

 
 
 
  
 
 
 
 
 
  
 
 
 
 
Our projections of both the number of people who have the cancers we are targeting, as well as the subset of people with these cancers in a position to receive later stage
therapy and who have the potential to benefit from treatment with our drug candidates, are based on our beliefs and estimates. These estimates have been derived from a variety
of  sources,  including  scientific  literature,  surveys  of  clinics,  patient  foundations  or  market  research  and  may  prove  to  be  incorrect.  Further,  new  studies  may  change  the
estimated incidence or prevalence of these cancers. The number of patients may turn out to be lower than expected. In addition, the potentially addressable patient population
for our drug candidates may be limited or may not be amenable to treatment with our drug candidates. Even if we obtain significant market share for our drug candidates, we
may never achieve profitability without obtaining regulatory approval for additional indications, including use as a first or second line therapy, which may adversely affect our
business and results of operations.

Healthcare legislative reform measures may have a material adverse effect on our business and results of operations.

In both the United States and certain foreign jurisdictions, there have been a number of legislative and regulatory enactments in recent years that change the healthcare system
in ways that could impact our future ability to sell our drug candidates profitably.

Furthermore, there have been and continue to be a number of initiatives at the federal and state level that seek to reduce healthcare costs. Most significantly, in March 2010, the
Patient Protection and Affordable Health Care Act, as amended by the Health Care and Education Reconciliation Act (collectively, the “ACA”), was signed into law, which
includes  measures  that  significantly  change  the  way  healthcare  is  financed  by  both  governmental  and  private  insurers.  In  January  2017,  Congress  voted  to  adopt  a  budget
resolution for fiscal year 2017, or the Budget Resolution, that authorizes the implementation of legislation that would repeal portions of the ACA. In addition, on January 20,
2017, former President Trump signed an Executive Order directing federal agencies with authorities and responsibilities under the ACA to waive, defer, grant exemptions from,
or  delay  the  implementation  of  any  provision  of  the  ACA  that  would  impose  a  fiscal  or  regulatory  burden  on  states,  individuals,  healthcare  providers,  health  insurers,  or
manufacturers of pharmaceuticals or medical devices. Further, on October 12, 2017, former President Trump issued another executive order requiring the Secretaries of HHA
and the Departments of Labor and Treasury to consider proposing regulations or revising existing guidance to allow more employers to form association health plans that would
be  allowed  to  provide  coverage  across  state  lines,  increase  the  availability  of  short-term,  limited-duration  health  insurance  plans,  which  are  generally  not  subject  to  the
requirements of the ACA, and increase the availability and permitted use of health reimbursement arrangements. On October 13, 2017, the Department of Justice announced
that HHS was immediately stopping its cost sharing reduction payments to insurance companies based on the determination that those payments had not been appropriated by
Congress. Furthermore, on December 22, 2017, former President Trump signed the Tax Cuts and Jobs Act (the “TCJA”) into law that, in addition to overhauling the federal tax
system, also, effective as of January 1, 2019, repeals the penalties associated with the individual mandate. Congress or the President of the United States also could consider
subsequent legislation or executive action to replace, eliminate or reaffirm elements of the ACA. We will continue to evaluate the effect that the ACA and any future measures
to modify, repeal, replace or reaffirm the ACA have on our business. We are not able to provide any assurance that the continued healthcare reform debate will not result in
legislation, regulation, litigation or executive action by the President of the United States that is adverse to our business.

Laws and other reform and cost containment measures that may be proposed and adopted in the future remain uncertain but may contain provisions that restrict our ability to
price our products and/or could result in additional reductions in Medicare and other healthcare funding, which could have a material adverse effect on our future customers
and, accordingly, our ability to generate revenue, attain profitability or commercialize our products.

Risks Related to Our Reliance on Third-Parties

If conflicts arise between us and our collaborators or strategic partners, these parties may act in their self-interest, which may limit our ability to implement our strategies.

If  conflicts  arise  between  our  corporate  or  academic  collaborators  or  strategic  partners  and  us,  the  other  party  may  act  in  its  self-interest,  which  may  limit  our  ability  to
implement our strategies. Some of our academic collaborators and strategic partners are conducting multiple product development efforts within each area that is the subject of
the collaboration with us. Our collaborators or strategic partners, however, may develop, either alone or with others, products in related fields that are competitive with the
products  or  potential  products  that  are  the  subject  of  these  collaborations.  Competing  products,  either  developed  by  the  collaborators  or  strategic  partners  or  to  which  the
collaborators or strategic partners have rights, may result in the withdrawal of partner support for our drug candidates.

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Some  of  our  collaborators  or  strategic  partners  could  also  become  our  competitors  in  the  future.  Our  collaborators  or  strategic  partners  could  develop  competing  products,
preclude us from entering into collaborations with their competitors, fail to obtain timely regulatory approvals, terminate their agreements with us prematurely, or fail to devote
sufficient  resources  to  the  development  and  commercialization  of  products.  Any  of  these  developments  could  harm  our  product  development  efforts,  which  may  adversely
affect our business, results of operations and prospects.

We expect to rely on third parties to conduct, supervise and monitor our clinical studies, and if these third parties perform in an unsatisfactory manner, it may harm our
business.

We  rely  on  CROs,  clinical  investigators  and  clinical  study  sites  to  ensure  our  clinical  studies  are  conducted  properly  and  on  time.  We  will  have  limited  influence  over  the
performance by CROs, clinical investigators and clinical study sites, and we will control only certain aspects of our CROs’ activities. Nevertheless, we will be responsible for
ensuring that each of our clinical studies is conducted in accordance with the applicable protocol, legal and regulatory requirements and scientific standards, and our reliance
on the CROs does not relieve us of our regulatory responsibilities. Furthermore, facilities used by these third party CROs, clinical investigators and clinical study sites may be
negatively  affected  by  catastrophic  events,  such  as  pandemics,  including  the  ongoing  COVID-19  pandemic,  terrorist  attacks,  wars  or  other  armed  conflicts,  geopolitical
tensions, such as the ongoing conflict between Russia and Ukraine and related sanctions and other economic disruptions or concerns, natural disasters, such as floods or fire, or
such facilities could face manufacturing issues, such as contamination or regulatory concerns following a regulatory inspection of such facility. In such instances, we may need
to locate an appropriate replacement third-party facility and establish a contractual relationship, which may not be readily available or on acceptable terms, which would cause
additional delay and increased expense, including as a result of additional required FDA approvals, and may have a material adverse effect on our business.

We, our clinical investigators, and our CROs are required to comply with the FDA’s GCPs for conducting, recording and reporting the results of clinical trials to assure that the
data and reported results are credible and accurate and that the rights, integrity and confidentiality of clinical trial participants are protected. The FDA enforces these GCPs
through periodic inspections of study sponsors, principal investigators and clinical trial sites. If we, our CROs or the clinical investigators fail to comply with applicable GCPs,
the clinical data generated in our clinical trials may be deemed unreliable, and the FDA may require us to perform additional clinical trials before approving any marketing
applications. Upon inspection, the FDA may determine that our clinical trials did not comply with GCPs. In addition, our future clinical trials will require a sufficient number of
test subjects to evaluate the safety and efficacy of our drug candidates. Accordingly, if our CROs or clinical investigators fail to comply with these regulations or fail to recruit a
sufficient number of patients, we may be required to repeat such clinical trials, which would delay the regulatory approval process.

Our  CROs  are  not  our  employees,  and  we  are  therefore  unable  to  directly  monitor  whether  or  not  they  devote  sufficient  time  and  resources  to  our  clinical  and  nonclinical
programs, which must be conducted in accordance with GCPs and GLPs, respectively. These CROs may also have relationships with other commercial entities, including our
competitors,  for  whom  they  may  also  be  conducting  clinical  studies  or  other  drug  development  activities  that  could  harm  our  competitive  position.  If  our  CROs  do  not
successfully carry out their contractual duties or obligations, fail to meet expected deadlines or the quality or accuracy of the clinical data they obtain is compromised due to the
failure to adhere to our clinical protocols or regulatory requirements (or for any other reasons), our clinical studies may be extended, delayed or terminated, and we may not be
able  to  obtain  regulatory  approval  for,  or  successfully  commercialize,  our  pharmaceutical  products.  As  a  result,  our  financial  results  and  the  commercial  prospects  for  our
pharmaceutical products would be harmed, our costs could increase and our ability to generate revenues could be delayed.

We may also rely on other third parties to store and distribute our products for any clinical studies that we may conduct. Any performance failure on the part of our distributors
could delay clinical development or marketing approval of our pharmaceutical products or commercialization of our products, if approved, producing additional losses and
depriving us of potential product revenue.

32

 
 
 
 
 
 
 
  
 
 
 
 
 
Our collaborators or strategic partners may decide to adopt alternative technologies or may be unable to develop commercially viable products with our technology, which
would negatively impact our revenues and our strategy to develop these products.

Our collaborators or strategic partners may adopt alternative technologies, which could decrease the marketability of our products. Additionally, because our current or future
collaborators or strategic partners are likely to be working on more than one development project, they could choose to shift their resources to projects other than those they are
working  on  with  us.  If  they  do  so,  this  would  delay  our  ability  to  test  our  technology  and  would  delay  or  terminate  the  development  of  potential  products  based  on  our
platforms. Further, our collaborators and strategic partners may elect not to develop products arising out of our collaborative and strategic partnering arrangements or to devote
sufficient  resources  to  the  development,  manufacturing,  marketing  or  sale  of  these  products.  The  failure  to  develop  and  commercialize  a  drug  candidate  pursuant  to  our
agreements with our current or future collaborator would prevent us from receiving future milestone and royalty payments, which would negatively impact our revenues.

We may seek to establish additional collaborations and, if we are not able to establish them on commercially reasonable terms, we may have to alter our development and
commercialization plans.

Our drug candidate development programs and the potential commercialization of our drug candidates will require substantial additional cash to fund expenses. For some of our
drug candidates, we may decide to collaborate with additional pharmaceutical and biotechnology companies for the development and potential commercialization of those drug
candidates.  For  our  XCART  technology,  we  intend  to  seek  to  leverage  the  manufacturing  expertise  and  capability  of  an  academic  or  strategic  collaborator  during  early
development.

We  face  significant  competition  in  seeking  appropriate  collaborators.  Whether  we  reach  a  definitive  agreement  for  any  additional  collaborations  will  depend,  among  other
things, upon our assessment of the collaborator’s resources and expertise, the terms and conditions of the proposed collaboration and the proposed collaborator’s evaluation of a
number  of  factors.  Those  factors  may  include  the  design  or  results  of  clinical  trials,  the  likelihood  of  approval  by  FDA  or  similar  regulatory  authorities  outside  the  United
States,  the  potential  market  for  the  subject  drug  candidate,  the  costs  and  complexities  of  manufacturing  and  delivering  such  drug  candidate  to  patients,  the  potential  of
competing drugs, the existence of uncertainty with respect to our ownership of technology (which can exist if there is a challenge to such ownership without regard to the
merits of the challenge) and industry and market conditions generally. The collaborator may also consider alternative drug candidates or technologies for similar indications that
may  be  available  to  collaborate  on  and  whether  such  a  collaboration  could  be  more  attractive  than  the  one  with  us  for  our  drug  candidate.  The  terms  of  any  additional
collaborations or other arrangements that we may establish may not be favorable to us.

We  may  also  be  restricted  under  existing  collaboration  agreements  from  entering  into  future  agreements  on  certain  terms  with  potential  collaborators.  Collaborations  are
complex  and  time-consuming  to  negotiate  and  document.  In  addition,  there  have  been  a  significant  number  of  recent  business  combinations  among  large  pharmaceutical
companies that have resulted in a reduced number of potential future collaborators.

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

33

 
 
 
 
 
 
 
 
 
 
 
 
 
 
If we enter into one or more collaborations, we may be required to relinquish important rights to and control over the development of our drug candidates or otherwise be
subject to unfavorable terms.

Any future collaborations we enter into could subject us to a number of risks, including:

·

·

·

·

·

·
·

·

·

·

We  may  not  be  able  to  control  the  amount  and  timing  of  resources  that  our  collaborators  devote  to  the  development  or  commercialization  of  our  drug
candidates;
Collaborators may delay clinical trials, provide insufficient funding, terminate a clinical trial or abandon a drug candidate, repeat or conduct new clinical trials
or require a new version of a drug candidate for clinical testing;
Collaborators  may  not  pursue  further  development  and  commercialization  of  products  resulting  from  the  strategic  partnering  arrangement  or  may  elect  to
discontinue research and development programs;
Collaborators  may  not  commit  adequate  resources  to  the  marketing  and  distribution  of  our  drug  candidates,  limiting  our  potential  revenues  from  these
products;
Disputes may arise between us and our collaborators that result in the delay or termination of the research, development or commercialization of our drug
candidates or that result in costly litigation or arbitration that diverts management’s attention and consumes resources;
Collaborators may experience financial difficulties;
Collaborators may not properly maintain or defend our intellectual property rights or may use our proprietary information in a manner that could jeopardize or
invalidate our proprietary information or expose us to potential litigation;
Business combinations or significant changes in a collaborator’s business strategy may also adversely affect a collaborator’s willingness or ability to complete
its obligations under any arrangement;
Collaborators could decide to move forward with a competing drug candidate developed either independently or in collaboration with others, including our
competitors; and
Collaborators could terminate the arrangement or allow it to expire, which would delay the development and may increase the cost of developing our drug
candidates.

Our  contract  manufacturers  are  subject  to  significant  regulation  with  respect  to  manufacturing  our  products.  The  manufacturing  facilities  on  which  we  rely  may  not
continue to meet regulatory requirements and have limited capacity.

We currently have relationships with a limited number of suppliers for the manufacturing of our pharmaceutical products. Each supplier may require licenses to manufacture
components if such processes are not owned by the supplier or in the public domain, and we may be unable to transfer or sublicense the intellectual property rights we may
have with respect to such activities.

All  entities  involved  in  the  preparation  of  pharmaceutical  products  for  clinical  studies  or  commercial  sale,  including  our  existing  contract  manufacturers  for  our  drug
candidates, are subject to extensive regulation. Components of a finished pharmaceutical product approved for commercial sale or used in late-stage clinical studies must be
manufactured in accordance with cGMP. These regulations govern manufacturing processes and procedures (including record keeping) and the implementation and operation of
quality systems to control and assure the quality of investigational products and products approved for sale. Poor control of production processes can lead to the introduction of
adventitious agents or other contaminants or to inadvertent changes in the properties or stability of our pharmaceutical products that may not be detectable in final product
testing. Our contract manufacturers must supply all necessary documentation in support of an NDA or BLA on a timely basis and must adhere to the FDA’s GLP and cGMP
regulations  enforced  by  the  FDA  through  its  facilities  inspection  program.  The  facilities  and  quality  systems  of  some  or  all  of  our  third-party  contractors  must  pass  a  pre-
approval inspection for compliance with the applicable regulations as a condition of regulatory approval of our pharmaceutical products or any of our other potential products.
In  addition,  the  regulatory  authorities  may,  at  any  time,  audit  or  inspect  a  manufacturing  facility  involved  with  the  preparation  of  our  pharmaceutical  products  or  our  other
potential products or the associated quality systems for compliance with the regulations applicable to the activities being conducted. If these facilities do not pass a pre-approval
plant inspection, FDA approval of the products will not be granted.

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The regulatory authorities also may, at any time following approval of a product for sale, audit the manufacturing facilities of our third-party contractors. If any such inspection
or  audit  identifies  a  failure  to  comply  with  applicable  regulations  or  if  a  violation  of  our  product  specifications  or  applicable  regulations  occurs  independent  of  such  an
inspection or audit, we, or the relevant regulatory authority, may require remedial measures that may be costly and/or time-consuming for us or a third party to implement and
that  may  include  the  temporary  or  permanent  suspension  of  a  clinical  study  or  commercial  sales  or  the  temporary  or  permanent  closure  of  a  facility.  Any  such  remedial
measures imposed upon third parties with whom we contract could materially harm our business.

If our third-party manufacturers fail to maintain regulatory compliance, the FDA can impose regulatory sanctions including, among other things, refusal to approve a pending
application for a drug candidate or revocation of a pre-existing approval. As a result, our business, financial condition and results of operations may be materially harmed.

Additionally, if supply from one approved manufacturer is interrupted, there could be a significant disruption in commercial supply. The number of manufacturers with the
necessary manufacturing capabilities is limited. In addition, an alternative manufacturer would need to be qualified through an NDA or BLA supplement which could result in
further  delay.  The  regulatory  agencies  may  also  require  additional  studies  if  a  new  manufacturer  is  relied  upon  for  commercial  production.  Switching  manufacturers  may
involve substantial costs and is likely to result in a delay in our desired clinical and commercial timelines, which could materially harm our business and results of operations.

These factors could cause the delay of clinical studies, regulatory submissions, required approvals or commercialization of our pharmaceutical products and/or cause us to incur
higher costs and prevent us from commercializing our products successfully. Furthermore, if our suppliers fail to meet contractual requirements, and we are unable to secure
one or more replacement suppliers capable of production at a substantially equivalent cost, our clinical studies may be delayed or we could lose potential revenue, which could
materially harm our business and results of operations.

We have no manufacturing, sales, marketing or distribution capabilities, and we may have to invest a significant amount of resources to develop these capabilities.

We  have  no  internal  manufacturing  capabilities. As  a  result,  for  manufacturing  we  depend  on  third-party  manufacturers.  Our  strategy  is  based  on  leveraging  the  ability  of
collaboration partners to develop and manufacture our products for commercialization in the pharmaceutical marketplace, and we will be dependent on collaborations with drug
development and manufacturing collaborators. If we are not able to maintain existing collaborative arrangements or establish new arrangements on commercially acceptable
terms, we would be required to undertake product manufacturing and development activities at our own expense. This would increase our capital requirements or require us to
limit  the  scope  of  our  development  activities.  Moreover,  we  have  limited  or  no  experience  in  conducting  full-scale  bioequivalence  or  other  clinical  studies,  preparing  and
submitting regulatory applications and distributing and marketing pharmaceutical products. As such, we are reliant on contract parties for such efforts. We may not be able to
enter into collaborations or hire consultants or external service providers to assist us in sales, marketing and distribution functions on acceptable financial terms, or at all.

If  any  of  our  developmental  collaborators  breach  or  terminate  their  agreements  with  us  or  otherwise  fail  to  conduct  their  collaborative  activities  in  a  timely  manner,  the
preclinical and/or clinical development and/or commercialization of our pharmaceutical products will be delayed and we would be required to devote additional resources to
product development and commercialization or terminate certain development programs. Also, a license relationship may be terminated at the discretion of our collaborator, or
at the end of contract terms, and in some cases with only limited notice to us. The termination of the collaborative arrangement could have a material adverse effect on our
business, financial condition and results of operations. There also can be no assurance that disputes will not arise with respect to the ownership of rights to any technology
developed with third parties. These and other possible disagreements with collaborators could lead to delays in the development or commercialization of our pharmaceutical
products or could result in litigation or arbitration, which could be time-consuming and expensive and could have a material adverse effect on our business, financial condition
and results of operations. Even if we decide to perform clinical trials, sales, marketing and distribution functions ourselves, we could face a number of additional related risks,
including:

·
·

·

We may not be able to attract clinical investigators and build effective clinical trials or a solid marketing department or sales force;
The cost of establishing an internal clinical trials program, marketing department or sales force may exceed our available financial resources and the revenue
generated by any of our current product candidates, if approved, or any other pharmaceutical products that we may develop, in-license or acquire; and
Our direct sales and marketing efforts may not be successful.

35

 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
Any failure to perform such activities could have a material adverse effect on our business, financial condition and results of our operations.

Our reliance on third parties requires us to share our trade secrets, which increases the possibility that a competitor will discover them or that our trade secrets will be
misappropriated or disclosed.

Because  we  rely  on  third  parties  to  manufacture  our  pharmaceutical  products,  and  because  we  collaborate  with  various  organizations  and  academic  institutions  on  the
development  of  our  pharmaceutical  products,  we  must,  at  times,  share  trade  secrets  with  them.  We  seek  to  protect  our  proprietary  technology  in  part  by  entering  into
confidentiality  agreements  and,  if  applicable,  material  transfer  agreements,  collaborative  research  agreements,  consulting  agreements  or  other  similar  agreements  with  our
collaborators, advisors, employees and consultants prior to beginning research or disclosing proprietary information. These agreements typically limit the rights of the third
parties to use or disclose our confidential information, such as trade secrets. The need to share trade secrets and other confidential information when working with third parties
increases the risk that such trade secrets become known by our competitors, are inadvertently incorporated into the technology of others or are disclosed or used in violation of
these agreements. Given that our proprietary position is based, in part, on our know-how and trade secrets, a competitor’s discovery of our trade secrets or other unauthorized
use or disclosure would impair our competitive position and may have a material adverse effect on our business.

In addition, these agreements typically restrict the ability of our collaborators, advisors, employees and consultants to publish data potentially relating to our trade secrets. Our
academic collaborators typically have rights to publish data, provided that we are notified in advance and may delay publication for a specified time in order to secure our
intellectual property rights arising from the collaboration. In other cases, publication rights are controlled exclusively by us, although in some cases we may share these rights
with other parties. We may also conduct joint research and development programs that may require us to share trade secrets under the terms of our research and development
partnerships  or  similar  agreements.  Our  competitors  may  discover  our  trade  secrets,  either  through  breach  of  these  agreements,  independent  development  or  publication  of
information including our trade secrets in cases where we do not have proprietary or otherwise protected rights at the time of publication. A competitor’s discovery of our trade
secrets would impair our competitive position and have an adverse impact on our business.

Risks Related to Our Intellectual Property

If we fail to adequately protect or enforce our intellectual property rights, we may be unable to operate effectively.

Our  success  and  ability  to  compete  are  substantially  dependent  on  our  patents,  proprietary  formulations  and  trademarks.  There  can  be  no  assurance  that  our  patents  and
associated trademarks and licenses will not be challenged and subsequently invalidated and/or canceled. The invalidation or cancellation of any one or all of the patents or
trademarks would significantly damage our commercial prospects. Further, we may find it necessary to legally challenge parties infringing our patents or trademarks or licensed
trademarks to enforce our rights thereto. There can be no assurance that any of the patents would ultimately be held valid or that efforts to defend any of the patents, trade
secrets, know-how or other IP rights would be successful.

The patent positions of pharmaceutical and biotechnology companies, such as ours, are uncertain and involve complex legal and factual issues. We own numerous U.S. and
foreign patents and a number of pending patent applications that cover various aspects of our drug candidates and technologies. There can be no assurance that patents that have
been  issued  will  be  held  valid  and  enforceable  in  a  court  of  law.  Even  for  patents  that  are  held  valid  and  enforceable,  the  legal  process  associated  with  obtaining  such  a
judgment  is  time-consuming  and  costly.  Additionally,  issued  patents  can  be  subject  to  opposition  or  other  proceedings  that  can  result  in  the  revocation  of  the  patent  or
maintenance of the patent in amended form (and potentially in a form that renders the patent without commercially relevant and/or broad coverage). Further, our competitors
may be able to circumvent and otherwise design around our patents. Even if a patent is issued and enforceable, because development and commercialization of pharmaceutical
products  can  be  subject  to  substantial  delays,  patents  may  expire  early  and  provide  only  a  short  period  of  protection,  if  any,  following  the  commercialization  of  a  product
encompassed by our patents. We may have to participate in interference proceedings declared by the USPTO, which could result in a loss of the patent and/or substantial cost to
us.

36

 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
We have filed patent applications and plan to file additional patent applications covering various aspects of our drug candidates and technologies. There can be no assurance
that the patent applications for which we apply would actually be issued as patents, or do so with commercially relevant and/or broad coverage. The coverage claimed in a
patent application can be significantly reduced before the patent is issued. The scope of our claim coverage can be critical to our ability to enter into licensing transactions with
third parties and our right to receive royalties from our collaboration partnerships. Since publication of discoveries in scientific or patent literature often lags behind the date of
such discoveries, we cannot be certain that we were the first inventor of inventions covered by our patents or patent applications. In addition, there is no guarantee that we will
be the first to file a patent application directed to an invention.

An adverse outcome in any judicial proceeding involving IP, including patents, could subject us to significant liabilities to third parties, require disputed rights to be licensed
from or to third parties or require us to cease using the technology in dispute. In those instances where we seek an IP license from another, we may not be able to obtain the
license on a commercially reasonable basis, if at all, thereby raising concerns on our ability to freely commercialize our technologies and/or products. It is also possible that we
or our licensors or licensees will fail to identify patentable aspects of inventions made in the course of development and commercialization activities before it is too late to
obtain patent protection on them. Moreover, in some circumstances, we may not have the right to control the preparation, filing and prosecution of patent applications (or to
maintain the patents) covering technology that we license from or license to third parties. We are reliant on our licensors or licensees. Therefore, these patents and applications
may not be prosecuted and enforced in a manner consistent with the best interests of our business. If our current or future licensors or licensees fail to establish, maintain or
protect such patents and other intellectual property rights, such rights may be reduced or eliminated. If our licensors or licensees are not fully cooperative or disagree with us as
to the prosecution, maintenance or enforcement of any patent rights, such patent rights could be compromised.

Failure to adequately protect or enforce our intellectual property rights could have a material adverse impact on our business, results of operations and prospects.

Issued patents covering our drug candidates could be found invalid or unenforceable if challenged in court.

If we or one of our licensing partners initiated legal proceedings against a third-party to enforce a patent covering one of our drug candidates, the defendant could counterclaim
that  the  patent  covering  our  drug  candidate  is  invalid  and/or  unenforceable.  In  patent  litigation  in  the  United  States,  defendant  counterclaims  alleging  invalidity  and/or
unenforceability  are  commonplace.  Grounds  for  a  validity  challenge  could  be  an  alleged  failure  to  meet  any  of  several  statutory  requirements,  including  lack  of  novelty,
obviousness  or  non-enablement.  Grounds  for  an  unenforceability  assertion  could  be  an  allegation  that  someone  connected  with  prosecution  of  the  patent  withheld  relevant
information from the USPTO, or made a misleading statement, during prosecution. Third parties may also raise similar claims before administrative bodies in the United States
or  abroad,  even  outside  the  context  of  litigation.  Such  mechanisms  include  re-examination,  post  grant  review  and  equivalent  proceedings  in  foreign  jurisdictions  (e.g.,
opposition proceedings). Such proceedings could result in revocation or amendment to our patents in such a way that they no longer cover our drug candidates. The outcome
following  legal  assertions  of  invalidity  and  unenforceability  is  unpredictable.  With  respect  to  the  validity  question,  for  example,  we  cannot  be  certain  that  there  is  no
invalidating  prior  art,  of  which  we  and  the  patent  examiner  were  unaware  during  prosecution.  If  a  defendant  were  to  prevail  on  a  legal  assertion  of  invalidity  and/or
unenforceability, we would lose at least part, and perhaps all, of the patent protection on our drug candidates. Such a loss of patent protection would have a material adverse
impact on our business.

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

Filing, prosecuting and defending patents on drug candidates in all countries throughout the world would be prohibitively expensive, and our intellectual property rights in
some countries outside the United States can be less extensive than those in the United States. In addition, the laws of some foreign countries do not protect intellectual property
rights to the same extent as federal and state laws in the United States. Consequently, we may not be able to prevent third parties from practicing our inventions in all countries
outside  the  United  States  or  from  selling  or  importing  products  made  using  our  inventions  in  and  into  the  United  States  or  other  jurisdictions.  Competitors  may  use  our
inventions  in  jurisdictions  where  we  have  not  obtained  patent  protection  to  develop  their  own  products  and,  further,  may  export  otherwise  infringing  products  to  territories
where  we  have  patent  protection  but  enforcement  is  not  as  strong  as  that  in  the  United  States.  These  products  may  compete  with  our  products,  and  our  patents  or  other
intellectual property rights may not be effective or sufficient to prevent them from competing.

37

 
 
 
 
  
 
 
 
 
 
 
 
 
 
Many companies have encountered significant problems in protecting and defending intellectual property rights in foreign jurisdictions. The legal systems of certain countries,
particularly  certain  developing  countries,  do  not  favor  the  enforcement  of  patents,  trade  secrets  and  other  intellectual  property  protection,  particularly  those  relating  to
biotechnology products, which could make it difficult for us to stop the infringement of our patents or marketing of competing products in violation of our proprietary rights
generally. Proceedings to enforce our patent rights in foreign jurisdictions could result in substantial costs and divert our efforts and attention from other aspects of our business,
could put our patents at risk of being invalidated or interpreted narrowly, could put our patent applications at risk of not issuing and could provoke third parties to assert claims
against us. We may not prevail in any lawsuits that we initiate, and the damages or other remedies awarded, if any, may not be commercially meaningful. Accordingly, our
efforts  to  enforce  our  intellectual  property  rights  around  the  world  may  be  inadequate  to  obtain  a  significant  commercial  advantage  from  the  intellectual  property  that  we
develop or license.

Failure to adequately protect our intellectual property rights throughout the world could have a material adverse impact on our business, results of operations and prospects.

If we infringe on the intellectual property rights of others, our business and profitability may be adversely affected.

Our commercial success will also depend, in part, on us and our collaborative partners not infringing on the patents or proprietary rights of others. There can be no assurance
that the technologies and products used or developed by our collaborative partners and marketed and sold by us will not infringe such rights. If such infringement occurs and
neither we nor our collaborative partner is able to obtain a license from the relevant third party, we will not be able to continue the development, manufacture, use or sale of any
such infringing technology or product. There can be no assurance that necessary licenses to third-party technology will be available at all, or on commercially reasonable terms.
In some cases, litigation or other proceedings may be necessary to defend against or assert claims of infringement or to determine the scope and validity of the proprietary
rights  of  third  parties.  Any  potential  litigation  could  result  in  substantial  costs  to,  and  diversion  of,  our  resources  and  could  have  a  material  and  adverse  impact  on  us.  An
adverse  outcome  in  any  such  litigation  or  proceeding  could  subject  us  to  significant  liabilities,  require  us  to  cease  using  the  subject  technology  or  require  us  to  license  the
subject technology from the third party, all of which could have a material adverse effect on our business.

If we fail to comply with our obligations in the agreements under which we license intellectual property rights from third parties or otherwise experience disruptions to our
business relationships with our licensors, we could lose license rights that are important to our business.

We are a party to a number of intellectual property license agreements that are important to our business, and we expect to enter into additional license agreements in the future.
Our existing license agreements impose, and we expect that future license agreements will impose, various diligence, milestone payment, royalty and other obligations on us. If
we fail to comply with our obligations under these agreements, or we are subject to a bankruptcy, the licensor may have the right to terminate the license, in which event we
would not be able to market products covered by the license.

We may need to obtain licenses from third parties to advance our research, and we have done so from time to time. We may fail to obtain any of these licenses at a reasonable
cost or on reasonable terms, if at all. In that event, we may be required to expend significant time and resources to develop or license replacement technology. If we are unable
to do so, we may be unable to develop the affected drug candidates, which could harm our business significantly. We cannot provide any assurances that third-party patents do
not exist which might be enforced against our current drug candidates or future products, resulting in either an injunction prohibiting the sales, or, with respect to the sales, an
obligation on our part to pay royalties and/or other forms of compensation to third parties.

In many cases, patent prosecution of our licensed technology is controlled solely by the licensor. If our licensors fail to obtain and maintain patent or other protection for the
proprietary intellectual property we license from them, we could lose our rights to the intellectual property or our exclusivity with respect to those rights, and our competitors
could market competing products using the intellectual property. In certain cases, we control the prosecution of patents resulting from licensed technology. In the event we
breach any of our obligations related to such prosecution, we may incur significant liability to our licensing partners. Licensing of intellectual property is of critical importance
to  our  business  and  involves  complex  legal,  business  and  scientific  issues  and  is  complicated  by  the  rapid  pace  of  scientific  discovery  in  our  industry.  Disputes  may  arise
regarding intellectual property subject to a licensing agreement, including:

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·
·

The scope of rights granted under the license agreement and other interpretation-related issues;
The extent to which our technology and processes infringe on intellectual property of the licensor that is not subject to the licensing agreement;
The sublicensing of patent and other rights under our collaborative development relationships;
Our diligence obligations under the license agreement and what activities satisfy those diligence obligations;
The ownership of inventions and know-how resulting from the joint creation or use of intellectual property by our licensors and us and our partners; and
The priority of invention of patented technology.

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If disputes over intellectual property that we have licensed prevent or impair our ability to maintain our current licensing arrangements on acceptable terms, we may be unable
to successfully develop and commercialize the affected drug candidates, which could have a material adverse effect on our business.

We may be involved in lawsuits to protect or enforce our patents or the patents of our licensors, which could be expensive, time-consuming and unsuccessful.

Competitors may infringe our patents or the patents of our licensors. To counter infringement or unauthorized use, we may be required to file infringement claims, which can be
expensive and time-consuming. In addition, in an infringement proceeding, a court may decide that a patent of ours or our licensors is not valid, is unenforceable and/or is not
infringed, or may refuse to stop the other party from using the technology at issue on the grounds that our patents do not cover the technology in question. An adverse result in
any litigation or defense proceedings could put one or more of our patents at risk of being invalidated or interpreted narrowly and could put our patent applications at risk of not
issuing.

Interference proceedings provoked by third parties or brought by us may be necessary to determine the priority of inventions with respect to our patents or patent applications
or those of our licensors. An unfavorable outcome could require us to cease using the related technology or to attempt to license rights to it from the prevailing party. Our
business could be harmed if the prevailing party does not offer us a license on commercially reasonable terms. Our defense of litigation or interference proceedings may fail
and,  even  if  successful,  may  result  in  substantial  costs  and  distract  our  management  and  other  employees.  We  may  not  be  able  to  prevent,  alone  or  with  our  licensors,
misappropriation of our intellectual property rights, particularly in countries where the laws may not protect those rights as fully as in the United States.

Furthermore, because of the substantial amount of discovery required in connection with intellectual property litigation, there is a risk that some of our confidential information
could be compromised by disclosure during this type of litigation. There could also be public announcements of the results of hearings, motions or other interim proceedings or
developments. If securities analysts or investors perceive these results to be negative, it could have a material adverse effect on the price of our common stock.

Changes in U.S. patent law could diminish the value of patents in general, thereby impairing our ability to protect our products.

As is the case with other biopharmaceutical companies, our success is heavily dependent on intellectual property, particularly patents. Obtaining and enforcing patents in the
biotechnology industry involve both technological and legal complexity and is, therefore, costly, time-consuming and inherently uncertain. In addition, the United States has
enacted  and  is  expected  to  continue  to  implement  wide-ranging  patent  reform  legislation.  Further,  certain  U.S.  Supreme  Court  rulings  have  narrowed  the  scope  of  patent
protection available in certain circumstances and/or weakened the rights of patent owners in certain situations. In addition to increasing uncertainty with regard to our ability to
obtain  patents  in  the  future,  this  combination  of  events  has  created  uncertainty  with  respect  to  the  value  of  patents,  once  obtained.  Depending  on  decisions  by  the  U.S.
Congress,  the  federal  courts  and  the  USPTO,  the  laws  and  regulations  governing  patents  could  change  in  unpredictable  ways  that  would  weaken  our  ability  to  obtain  new
patents or to enforce our existing patents and patents that we might obtain in the future.

Patent reform legislation could increase the uncertainties and costs surrounding the prosecution of our and our licensors’ patent applications and the enforcement or defense of
our or our licensors’ issued patents. Provisions of the Leahy-Smith America Invents Act (the “Leahy-Smith Act”), adopted in September 2011, made a number of significant
changes  to  U.S.  patent  law,  the  effects  of  which  are  still  unfolding.  The  Leahy-Smith  Act  and  its  implementation,  in  addition  to  any  new  regulation,  could  increase  the
uncertainties and costs surrounding the prosecution of our patent applications and the enforcement or defense of our issued patents, all of which could have a material adverse
effect on our business and financial condition.

39

 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
We may be subject to claims that our employees, consultants or independent contractors have wrongfully used or disclosed confidential information of third parties or that
our employees have wrongfully used or disclosed alleged trade secrets of their former employers.

We employ individuals who were previously employed at universities or other biotechnology or pharmaceutical companies, including our competitors or potential competitors.
We may be subject to claims that we or our employees, consultants or independent contractors have inadvertently or otherwise used or disclosed intellectual property, including
trade secrets or other proprietary information, of any of our employee’s former employers or other third parties. Litigation may be necessary to defend against these claims. If
we fail in defending any such claims, in addition to paying monetary damages, we may lose valuable intellectual property rights or personnel, which could adversely impact our
business. Even if we are successful in defending against such claims, litigation could result in substantial costs and be a distraction to management and other employees.

We may be subject to claims challenging the inventorship or ownership of our patents and other intellectual property.

We may also be subject to claims that former employees, collaborators or other third parties have an ownership interest in our patents or other intellectual property. We may
have in the future ownership disputes arising, for example, from conflicting obligations of consultants or others who are involved in developing our drug candidates. Litigation
may  be  necessary  to  defend  against  these  and  other  claims  challenging  inventorship  or  ownership.  If  we  fail  in  defending  any  such  claims,  in  addition  to  paying  monetary
damages,  we  may  lose  valuable  intellectual  property  rights,  such  as  exclusive  ownership  of,  or  right  to  use,  valuable  intellectual  property.  Such  an  outcome  could  have  a
material  adverse  effect  on  our  business.  Even  if  we  are  successful  in  defending  against  such  claims,  litigation  could  result  in  substantial  costs  and  be  a  distraction  to
management and other employees.

Our inability to protect our confidential information and trade secrets would harm our business and competitive position.

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

Obtaining and maintaining our patent protection depends on compliance with various procedural, document submission, fee payment and other requirements imposed by
governmental patent agencies, and our patent protection could be reduced or eliminated for non-compliance with these requirements.

Periodic maintenance fees, renewal fees, annuity fees and various other governmental fees on patents and/or applications will be due to be paid to the USPTO and various
governmental patent agencies outside of the United States in several stages over the lifetime of the patents and/or applications. The USPTO and various non-U.S. governmental
patent agencies require compliance with a number of procedural, documentary, fee payment and other similar provisions during the patent application process. Non-compliance
may result in abandonment or lapse of the patent or patent application, resulting in partial or complete loss of patent rights in the relevant jurisdiction. In such an event, our
competitors might be able to enter the market, and this circumstance would have a material adverse effect on our business.

40

 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
Risks Related to Our Business Operations

We operate in an extremely competitive environment and there can be no assurances that competing technologies would not harm our business development.

We are engaged in a rapidly-evolving field. Competition from numerous pharmaceutical companies is intense and expected to increase. The large and rapidly-growing market
for oncology treatments is likely to attract new entrants. Numerous biotechnology and pharmaceutical companies are focused on developing cancer treatments and immuno-
oncology technologies including CAR T. Many, if not all, of these companies have greater financial and other resources and development capabilities than we do. Many of our
competitors also have greater collective experience in undertaking preclinical and clinical testing of products, obtaining regulatory approvals and manufacturing and marketing
prescription pharmaceutical products. There can be no assurance that our under-development drug candidates will be more effective or achieve greater market acceptance than
competitive products or that our competitors will not succeed in developing products and technologies that are more effective than those being developed by us or that would
render our products and technologies less competitive or obsolete. Additionally, there can be no assurance that the development by others of new or improved drugs will not
make our pharmaceutical products superfluous or obsolete.

Our  future  success  depends  on  our  ability  to  retain  principal  members  of  our  executive  team,  consultants  and  advisors  and  to  attract,  retain  and  motivate  qualified
personnel.

We  are  highly  dependent  on  principal  members  of  our  executive  team,  the  loss  of  whose  services  may  adversely  impact  the  achievement  of  our  objectives.  Recruiting  and
retaining other qualified employees, consultants and advisors for our business, including scientific and technical personnel, will also be critical to our success. There is currently
a shortage of skilled executives in our industry, which is likely to continue. As a result, competition for skilled personnel is intense and the turnover rate can be high. We may
not be able to attract and retain personnel on acceptable terms given the competition among numerous pharmaceutical and biotechnology companies for individuals with similar
skill sets. In addition, failure to succeed in preclinical or clinical studies may make it more challenging to recruit and retain qualified personnel. The inability to recruit or loss
of the services of any executive, consultant or advisor may impede the progress of our research and development objectives.

Potential new accounting standards or legislative actions may adversely impact our future financial position or results of operations.

Future  changes  in  financial  accounting  standards  may  cause  adverse,  unexpected  fluctuations  in  the  timing  of  the  recognition  of  revenues  or  expenses,  and  may  affect  our
financial position or results of operations. New standards may occur in the future and may cause us to be required to make changes in our accounting policies. Compliance with
changing  regulation  of  corporate  governance  and  public  disclosure  may  result  in  additional  expenses.  Changing  laws,  regulations  and  standards  relating  to  corporate
governance and public disclosure, including the Sarbanes-Oxley Act of 2002 (or the Sarbanes-Oxley Act), new SEC regulations, Public Company Accounting Oversight Board
(or PCAOB) standards and Nasdaq rules, are creating uncertainty for companies such as ours. Insurance, accounting and auditing costs are high as a result of this uncertainty
and other factors.

We  have  limited  capital  resources  and  currently  have  only  one  full-time  employee  in  our  finance  department.  We  rely  on  outside  consultants  to  supplement  our  internal
expertise and are committed to maintaining high standards of corporate governance and public disclosure. As a result, we intend to invest all reasonably necessary resources to
comply  with  evolving  standards,  and  this  investment  may  result  in  increased  general  and  administrative  expenses  and  a  diversion  of  management  time  and  attention  from
revenue-generating activities to compliance activities.

41

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
We will need to expand our organization and we may experience difficulties in managing this growth, which could disrupt our operations.

As of December 31, 2021, we had four full-time employees. As we mature, we may need to expand our full-time employee base and to hire more consultants and contractors.
Our management may need to divert a disproportionate amount of its attention away from our day-to-day activities and devote a substantial amount of time to managing these
growth activities. We may not be able to effectively manage the expansion of our operations, which may result in weaknesses in our infrastructure, operational mistakes, loss of
business opportunities, loss of employees and reduced productivity among remaining employees, all of which may have a material adverse effect on our business, results of
operations and prospects. Any future growth could require significant capital expenditures and may divert financial resources from other projects, such as the development of
additional drug candidates. If our management is unable to effectively manage our growth, our expenses may increase more than expected, our ability to generate and/or grow
revenues could be reduced and we may not be able to implement our business strategy. Our future financial performance and our ability to commercialize drug candidates and
compete effectively will depend, in part, on our ability to effectively manage any future growth.

We  are  a  party  to  collaboration  agreements  and  other  significant  agreements  which  contain  complex  commercial  terms  that  could  result  in  disputes,  litigation  or
indemnification liability that could adversely affect our business, results of operations and financial condition.

We  currently  derive,  and  expect  to  derive  in  the  foreseeable  future,  all  or  much  of  our  revenue  from  collaboration  agreements  with  biotechnology  and  pharmaceutical
companies. These collaboration agreements contain complex commercial terms, including:

·

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·

·

·

·

Clinical  development  and  commercialization  obligations  that  are  based  on  certain  commercial  reasonableness  performance  standards  that  can  often  be
difficult to enforce if disputes arise as to adequacy of our partner’s performance;
Research  and  development  performance  and  reimbursement  obligations  for  our  personnel  and  other  resources  allocated  to  partnered  drug  candidate
development programs;
Clinical  and  commercial  manufacturing  agreements,  some  of  which  are  priced  on  an  actual  cost  basis  for  products  supplied  by  us  to  our  partners  with
complicated cost allocation formulas and methodologies;
Intellectual  property  ownership  allocation  between  us  and  our  partners  for  improvements  and  new  inventions  developed  during  the  course  of  the
collaboration;
Royalties  on  drug  sales  based  on  a  number  of  complex  variables,  including  net  sales  calculations,  geography,  scope  of  patent  claim  coverage,  patent  life,
generic competitors, bundled pricing and other factors; and
Indemnity obligations for intellectual property infringement, product liability and certain other claims.

From time to time, we may have informal dispute resolution discussions with third parties regarding the appropriate interpretation of the complex commercial terms contained
in our agreements. One or more disputes may arise or escalate in the future regarding our collaboration agreements, transaction documents or third-party license agreements
that may ultimately result in costly litigation and unfavorable interpretation of contract terms, which would have a material adverse effect on our business, financial condition
and results of operations.

Risks Related to Our Common Stock

We have, in the past, failed to satisfy certain continued listing requirements on Nasdaq and could fail to satisfy those requirements again in the future, which could affect
the market price of our common stock and liquidity and reduce our ability to raise capital.

Currently, our common stock trades on the Nasdaq Capital Market. If we fail to maintain compliance with any Nasdaq listing requirements, we could be delisted and our stock
would be considered a penny stock under regulations of the SEC. The stock would therefore be subject to rules that impose additional sales practice requirements on broker-
dealers who sell our securities. The additional burdens imposed upon broker-dealers by these requirements could discourage broker-dealers from effecting transactions in our
common stock, which could severely limit the market liquidity of our common stock and your ability to sell our securities in the secondary market.

42

 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
An active, liquid and orderly market for our common stock or purchase warrants may not develop.

Our common stock and purchase warrants trade on Nasdaq. An active trading market for our common stock or purchase warrants may never develop or be sustained. If an
active market for our common stock or purchase warrants does not continue to develop or is not sustained, it may be difficult for investors to sell shares or purchase warrants
without depressing the market price, and investors may not be able to sell the shares or purchase warrants at all. An inactive market may also impair our ability to raise capital
by  selling  common  stock  or  purchase  warrants  and  may  impair  our  ability  to  acquire  other  businesses,  applications  or  technologies  using  our  common  stock  or  purchase
warrants as consideration, which, in turn, could materially adversely affect our business.

The market price of our securities may be highly volatile, and you may not be able to sell our securities.

Companies trading in the stock market in general have experienced extreme price and volume fluctuations that have often been unrelated or disproportionate to the operating
performance of these companies. Broad market and industry factors may negatively affect the market price of our securities, regardless of our actual operating performance.

The market price of our securities may be volatile. Our securities could be subject to wide fluctuations in price in response to a variety of factors, including the following:

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·
·
·
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·
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·

Adverse results or delays in pre-clinical or clinical studies;
Inability to obtain additional funding;
Any delay in filing an IND or BLA for any of our drug candidates and any adverse development or perceived adverse development with respect to the FDA’s
review of that IND or BLA;
Failure to develop successfully our drug candidates;
Failure to maintain our existing strategic collaborations or enter into new collaborations;
Failure by us or our licensors and strategic collaboration partners to prosecute, maintain or enforce our intellectual property rights;
Changes in laws or regulations applicable to future products;
Inability to obtain adequate product supply for our drug candidates or the inability to do so at acceptable prices;
Adverse regulatory decisions;
Introduction of new products, services or technologies by our competitors;
Failure to meet or exceed financial projections we may provide to the public;
Failure to meet or exceed the financial projections of the investment community;
The perception of the pharmaceutical industry by the public, legislatures, regulators and the investment community;
Announcements  of  significant  acquisitions,  strategic  partnerships,  joint  ventures  or  capital  commitments  by  us,  our  strategic  collaboration  partner  or  our
competitors;
Disputes or other developments relating to proprietary rights, including patents, litigation matters and our ability to obtain patent protection for our technologies;
Additions or departures of key scientific or management personnel;
Significant lawsuits, including patent or stockholder litigation;
Changes in the market valuations of similar companies;
Sales of our securities by us or our stockholders in the future;
Adverse economic conditions, including potential adverse effects of public health issues, such as the coronavirus outbreak, and geopolitical events, such as the
Russian invasion of Ukraine, and related sanctions and other economic disruptions or concerns, on economic activity generally; and
Trading volume of our securities.

43

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
We have entered into several agreements with our stockholders.

We  have  in  the  past,  and  may  continue  to  enter  into  from  time  to  time,  agreements  with  our  stockholders,  which  may  result  in  conflicts  of  interest.  In  addition,  these
arrangements may not have been negotiated at arm’s length and may contain terms and conditions that are not in our best interest.

Our preferred stock has rights, preferences and privileges that are not held by, and are preferential to, the rights of our common stockholders, which could result in the
interests of the holders of our preferred stock differing from those of our common stockholders.

The holders of our preferred stock have the right to receive a liquidation preference entitling them to be paid out of our assets available for distribution to stockholders before
any  payment  may  be  made  to  holders  of  any  common  stock  or  any  series  of  preferred  stock  ranked  junior  to  such  class  of  preferred  stock.  The  existence  of  a  liquidation
preference may reduce the value of our common stock, make it harder for us to sell shares of common stock in offerings in the future or prevent or delay a change of control.
Additionally, each share of Series A Preferred Stock and Series B Preferred Stock are convertible into shares of our common stock, subject to an issuable maximum and subject
to  certain  adjustments,  which  may  cause  significant  dilution  to  our  common  stockholders.  The  preferential  rights  could  result  in  divergent  interests  between  the  holders  of
shares of preferred stock and holders of our common stock.

The issuance of future shares of common stock may result in dilution to our stockholders.

As  of  March  18,  2022,  we  had  approximately  13.4  million  shares  of  common  stock  outstanding,  excluding  6.4  million  of  potentially  dilutive  common  stock  related  to
outstanding preferred stock, warrants, options, restricted stock and common stock awards.

The issuance of these shares of common stock and the sale of these shares of common stock, or even the potential of such issuance and sale, may have a depressive effect on the
market price of our common stock, and the issuance of such common stock will cause dilution to our stockholders.

We could be subject to securities class action litigation.

In the past, securities class action litigation has often been brought against a company following a decline in the market price of its securities. This risk is especially relevant for
us because pharmaceutical companies have experienced significant stock price volatility in recent years. If we face such litigation, it could result in substantial costs and a
diversion of management’s attention and resources, which could harm our business.

We do not intend to pay dividends on our common stock or preferred stock so any returns will be limited to the value of our stock.

We have never declared or paid any cash dividends on our common stock or preferred stock. We currently anticipate that we will retain future earnings for the development,
operation  and  expansion  of  our  business  and  do  not  anticipate  declaring  or  paying  any  cash  dividends  for  the  foreseeable  future.  Any  return  to  common  or  preferred
stockholders will therefore be limited to the appreciation of their stock.

Certain provisions of our Articles of Incorporation, Bylaws, and the Nevada Revised States may be deemed to have an anti-takeover effect, which could cause the market
price of our common stock to decline.

Certain provisions of our Articles of Incorporation, Bylaws, and the Nevada Revised States may be deemed to have an anti-takeover effect. Such provisions may delay, deter or
prevent a tender offer or takeover attempt that a stockholder might consider to be in that stockholder’s best interests, including attempts that might result in a premium over the
market price for the shares held by stockholders, which could cause the market price of our common stock to decline.

44

 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
General Risk Factors

Our financial condition, results of operations, business and cash flow may be negatively affected by unfavorable U.S. or global economic conditions.

Our  financial  condition,  results  of  operations,  business  and  cash  flow  may  be  negatively  affected  by  general  conditions  in  the  global  economy  and  in  the  global  financial
markets and uncertainty about economic stability. The global economy has experienced extreme volatility and disruptions, including as a result of public health epidemics and
pandemics, or other outbreaks of communicable diseases, such as the COVID-19 pandemic, as well as from international conflicts, terrorism or other geopolitical events, such
as the Russian invasion of Ukraine, and related sanctions and other economic disruptions or concerns.

For example, during March 2020, a global pandemic was declared by the World Health Organization related to the rapidly growing outbreak of a novel strain of coronavirus
(COVID-19). The global spread of COVID-19 has created, and continues to create, significant volatility, uncertainty and economic disruption, including significant volatility in
the capital markets. The extent to which the COVID-19 pandemic affects our business, operations, financial results and the trading price of our common stock will depend on
numerous evolving factors that we may not be able to accurately predict, including: the duration and scope of the pandemic or possible resurgence of the pandemic or continued
emergence of new strains of COVID-19; the availability of an effective vaccine and the speed with which it is administered to the public; governmental and business actions
that have been and continue to be taken in response to the pandemic (including mitigation efforts such as stay at home and other social distancing orders) and the impact of the
pandemic  on  economic  activity  and  actions  taken  in  response  (including  stimulus  efforts  such  as  the  Families  First  Coronavirus  Act  and  the  Coronavirus  Aid,  Relief,  and
Economic Security Act). The ultimate impact of the COVID-19 pandemic on our results of operations and financial condition is dependent on future developments, including
the duration of the pandemic and the related extent of its severity, as well as its impact on macroeconomic conditions, which are uncertain and cannot be predicted at this time.
If the global response to contain the COVID-19 pandemic escalates further or is unsuccessful, or if governmental decisions to ease pandemic related restrictions are ineffective,
premature or counterproductive, we could experience a material adverse effect on our business, financial condition, results of operations and cash flows.

Additionally, the global economy and financial markets may also be adversely affected by the current or anticipated impact of military conflict, terrorism or other geopolitical
events. Sanctions imposed by the United States and other countries in response to such conflicts, may also adversely impact the financial markets and the global economy, and
the economic countermeasures by the affected countries or others could exacerbate market and economic instability. In late February 2022, Russia initiated significant military
action  against  Ukraine.  In  response,  the  United  States  and  certain  other  countries  imposed  significant  sanctions  and  trade  actions  against  Russia  and  could  impose  further
sanctions, trade restrictions, and other retaliatory actions if the conflict continues or worsens. It is not possible to predict the broader consequences of the conflict, including
related  geo-political  tensions,  and  the  measures  and  retaliatory  actions  that  will  be  taken  by  the  United  States  and  other  countries  in  respect  thereof,  as  well  as  any
countermeasures or retaliatory actions Russia may take in response, are likely to cause regional instability and geo-political shifts and could materially adversely affect global
trade, currency exchange rates, regional economies, and the global economy. While it is difficult to anticipate the impact of any of the foregoing on our Company in particular,
the conflict and actions taken in response to the conflict could increase our costs, disrupt our supply chain, impair our ability to raise or access additional capital when needed
on acceptable terms, if at all, or otherwise adversely affect our business, financial condition, and results of operations.

There can be no assurance that further deterioration in credit and financial markets and confidence in economic conditions will not occur. A severe or prolonged economic
downturn could result in a variety of risks to our business, including weakened demand for any product candidates we may develop and our ability to raise additional capital
when needed on acceptable terms, if at all. A weak or declining economy could also strain our suppliers, possibly resulting in supply disruption. If the equity and credit markets
deteriorate, it may make any necessary debt or equity financing more difficult, more costly, and more dilutive. Failure to secure any necessary financing in a timely manner and
on favorable terms could impair our ability to achieve our growth strategy, could harm our financial performance and stock price and could require us to delay or abandon
clinical development plans. In addition, there is a risk that our current or future service providers, manufacturers or other collaborators may not survive such difficult economic
times,  which  could  directly  affect  our  ability  to  attain  our  operating  goals  on  schedule  and  on  budget. We  cannot  anticipate  all  of  the  ways  in  which  the  current  economic
climate and financial market conditions could adversely impact our business.

Our  ability  to  use  potential  future  operating  losses  and  our  federal  and  state  NOL  carryforwards  to  offset  taxable  income  from  revenue  generated  from  operations  or
corporate collaborations could be limited.

The  use  of  our  NOL  carryforwards  may  have  limitations  resulting  from  certain  future  ownership  changes  or  other  factors  under  the  Code  and  other  taxing  authorities.  The
TCJA changed both the federal deferred tax value of the NOL carryforwards and the rules of utilization of federal NOL carryforwards. The TCJA lowered the corporate tax rate
from  35%  to  21%  effective  for  our  2018  fiscal  year.  For  NOL  carryforwards  generated  in  years  prior  to  2018,  there  is  no  annual  limitation  on  the  utilization,  and  the
carryforward period remains at twenty years. However, NOL carryforwards generated in years after 2017 will only be available to offset 80% of future taxable income in any
single year but will not expire.

45

 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
If our NOL carryforwards are limited, and we have taxable income which exceeds the available NOL carryforwards for that period, we would incur an income tax liability even
though NOL carryforwards may be available in future years prior to their expiration. Any such income tax liability may adversely affect our future cash flow, financial position
and financial results.

Tax reform may significantly affect the Company and its stockholders.

Due  to  the  potential  for  changes  to  tax  laws  and  regulations  or  changes  to  the  interpretation  thereof,  the  ambiguity  of  tax  laws  and  regulations,  the  subjectivity  of  factual
interpretations  and  other  factors,  our  estimates  of  effective  tax  rate  and  income  tax  assets  and  liabilities  may  be  incorrect  and  our  financial  statements  could  be  adversely
affected. The impact of these factors referenced in the first sentence of this paragraph may be substantially different from period-to-period.

In addition, the amount of income taxes we pay is subject to ongoing audits by U.S. federal, state and local tax authorities and by non-U.S. tax authorities. If audits result in
payments  or  assessments  different  from  our  reserves,  our  future  results  may  include  unfavorable  adjustments  to  our  tax  liabilities  and  our  financial  statements  could  be
adversely affected. Any further significant changes to the tax system in the United States or in other jurisdictions (including changes in the taxation of international income as
further described below) could adversely affect our financial statements.

Governments may impose price controls, which may adversely affect our future profitability.

We intend to seek approval to market our drug candidates in both the United States and in foreign jurisdictions. In some foreign countries and jurisdictions, particularly in the
European Union, the pricing of prescription pharmaceuticals is subject to governmental control. In these countries, pricing negotiations with governmental authorities can take
considerable time after the receipt of marketing approval for a drug candidate. To obtain reimbursement or pricing approval in some countries, we may be required to conduct
clinical trials to compare the cost effectiveness of our drug candidates to other available therapies, which is time-consuming and costly. If reimbursement of our future products
is unavailable or limited in scope or amount, or if pricing is set at unsatisfactory levels, we may be unable to achieve or sustain profitability.

Our  employees,  principal  investigators,  consultants  and  commercial  partners  may  engage  in  misconduct  or  other  improper  activities,  including  non-compliance  with
regulatory standards and requirements and insider trading.

We are exposed to the risk of fraud or other misconduct by our employees, principal investigators, consultants and commercial partners. Misconduct by these parties could
include intentional failures to comply with the regulations of the FDA and non-U.S. regulators, provide accurate information to the FDA and non-U.S. regulators, comply with
healthcare fraud and abuse laws and regulations in the United States and abroad, report financial information or data accurately or disclose unauthorized activities to us. In
particular, sales, marketing and business arrangements in the healthcare industry are subject to extensive laws and regulations intended to prevent fraud, misconduct, kickbacks,
self-dealing and other abusive practices. These laws and regulations may restrict or prohibit a wide range of pricing, discounting, marketing and promotion, sales commission,
customer incentive programs and other business arrangements. Such misconduct could also involve the improper use of information obtained in the course of clinical studies,
which could result in regulatory sanctions and cause serious harm to our reputation or could cause regulatory agencies not to approve our drug candidates. It is not always
possible to identify and deter employee misconduct, and the precautions we take to detect and prevent this activity may not be effective in controlling unknown or unmanaged
risks or losses or in protecting us from governmental investigations or other actions or lawsuits stemming from a failure to comply with these laws or regulations. If any such
actions  are  instituted  against  us,  and  we  are  not  successful  in  defending  ourselves  or  asserting  our  rights,  those  actions  could  have  a  significant  impact  on  our  business,
including the imposition of significant fines or other sanctions.

Use of our drug candidates could be associated with adverse side effects.

As with most biopharmaceutical products, use of our drug candidates could be associated with side effects or adverse events which can vary in severity and frequency. Side
effects or adverse events associated with the use of our drug candidates may be observed at any time, including in clinical trials or once a product is commercialized, and any
such side effects or adverse events may negatively affect our ability to obtain regulatory approval or market our drug candidates. Side effects such as toxicity or other safety
issues associated with the use of our drug candidates could require us to perform additional studies or halt development or sale of these drug candidates or expose us to product
liability lawsuits which will harm our business.

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The emergence of unforeseen safety issues or adverse events may lead to regulatory agencies requiring us to conduct additional preclinical or clinical trials regarding the safety
and efficacy of our drug candidates, which we have not planned or anticipated. We cannot assure you that we will resolve any issues related to any product-related adverse
events to the satisfaction of the FDA or any regulatory agency in a timely manner or ever, which could harm our business, prospects and financial condition. We may also
inadvertently fail to report adverse events we become aware of within the prescribed timeframe. We may also fail to appreciate that we have become aware of a reportable
adverse event, especially if it is not reported to us as an adverse event or if it is an adverse event that is unexpected or removed in time from the use of our products. If we fail to
comply  with  our  reporting  obligations,  the  FDA  or  other  foreign  regulatory  agencies  could  take  action  including  criminal  prosecution,  the  imposition  of  civil  monetary
penalties, seizure of our products, or delay in approval or clearance of future products.

We face potential product liability, and, if successful claims are brought against us, we may incur substantial liability and costs. If the use of our drug candidates harms
patients, or is perceived to harm patients even when such harm is unrelated to our drug candidates, our regulatory approvals could be revoked or otherwise negatively
impacted, and we could be subject to costly and damaging product liability claims.

The use of our drug candidates in clinical studies and the sale of any products for which we obtain marketing approval exposes us to the risk of product liability claims. Product
liability claims might be brought against us by consumers, healthcare providers, pharmaceutical companies or others selling or otherwise coming into contact with our products.
There is a risk that our drug candidates may induce adverse events. If we cannot successfully defend against product liability claims, we could incur substantial liability and
costs. In addition, regardless of merit or eventual outcome, product liability claims may result in:

·
·
·
·
·
·
·

Impairment of our business reputation;
Withdrawal of clinical study participants;
Costs due to related litigation;
Distraction of management’s attention from our primary business;
Substantial monetary awards to patients or other claimants;
The inability to commercialize our drug candidates; and
Decreased demand for our drug candidates, if approved for commercial sale,

all of which may have a material adverse effect on our business, results of operations and prospects.

If we fail to comply with environmental, health and safety laws and regulations, we could become subject to fines or penalties or incur costs that could have a material
adverse effect on the success of our business.

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

The  workers’  compensation  insurance  we  maintain  to  cover  us  for  costs  and  expenses  we  may  incur  due  to  injuries  to  our  employees  resulting  from  the  use  of  hazardous
materials or other work-related injuries may not provide adequate coverage against potential liabilities. In addition, we may incur substantial costs in order to comply with
current  or  future  environmental,  health  and  safety  laws  and  regulations.  These  current  or  future  laws  and  regulations  may  impair  our  research,  development  or  production
efforts. Failure to comply with these laws and regulations also may result in substantial fines, penalties or other sanctions, which may have a material adverse effect on our
business and results of operations.

47

 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Non-cash charges such as share-based payments may adversely impact our results of operations.

We record non-cash charges related to share-based expense, which could fluctuate materially as the Company expects to continue to issue share-based payments awards and
may adversely impact our results of operations.

Varying interpretations of existing standards and rules have occurred with frequency and may cause us to have to restate previously reported result of operations.

Varying interpretations of existing standards of accounting policies or accounting treatments of existing transactions may cause us to have to restate previously reported result
of operations.

Our disclosure controls and procedures may not prevent or detect all errors or acts of fraud.

We are subject to the periodic reporting requirements of the Exchange Act. Any disclosure controls and procedures or internal controls and procedures, no matter how well-
conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. These inherent limitations include the realities
that  judgments  in  decision-making  can  be  faulty  and  that  breakdowns  can  occur  because  of  simple  error  or  mistake.  Additionally,  controls  can  be  circumvented  by  the
individual acts of some persons, by collusion of two or more people or by an unauthorized override of the controls. Accordingly, because of the inherent limitations in our
control system, misstatements due to error or fraud may occur and not be detected, which may have a material adverse effect on our business and results of operations.

Failure in our information technology systems, including by cybersecurity attacks or other data security incidents, could significantly disrupt our operations.

Our  operations  depend,  in  part,  on  the  continued  performance  of  our  information  technology  systems.  Our  information  technology  systems  are  potentially  vulnerable  to
physical or electronic break-ins, computer viruses and similar disruptions. Failure of our information technology systems could adversely affect our business, profitability and
financial condition.

A  successful  cybersecurity  attack  or  other  data  security  incident  could  result  in  the  misappropriation  and/or  loss  of  confidential  or  personal  information,  create  system
interruptions or deploy malicious software that attacks our systems. It is possible that a cybersecurity attack might not be noticed for some period of time. The occurrence of a
cybersecurity attack or incident could result in business interruptions from the disruption of our information technology systems, or negative publicity resulting in reputational
damage with our clinical trial participants, customers, stockholders and other stakeholders and/or increased costs to prevent, respond to or mitigate cybersecurity events. In
addition, the unauthorized dissemination of sensitive personal information or proprietary or confidential information could expose us or other third parties to regulatory fines or
penalties, litigation and potential liability, or otherwise harm our business.

We are a smaller reporting company, and the reduced reporting requirements applicable to smaller reporting companies may make our common stock less attractive to
investors.

We  are  a  smaller  reporting  company  (“SRC”),  which  allows  us  to  take  advantage  of  exemptions  from  various  reporting  requirements  that  are  applicable  to  other  public
companies that are not SRCs, including not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act of 2002, as amended,
reduced disclosure obligations regarding executive compensation in our Annual Report and our periodic reports and proxy statements and providing only two years of audited
financial statements in our Annual Report and our periodic reports. We will remain an SRC until (a) the aggregate market value of our outstanding common stock held by non-
affiliates as of the last business day our most recently completed second fiscal quarter exceeds $250 million or (b) (1) we have over $100 million in annual revenues and (2) the
aggregate market value of our outstanding common stock held by non-affiliates as of the last business day our most recently completed second fiscal quarter exceeds $700
million. We cannot predict whether investors will find our common stock less attractive if we rely on certain or all of these exemptions. If some investors find our common
stock less attractive as a result, there may be a less active trading market for our common stock and our stock price may be more volatile and may decline.

48

 
 
 
   
 
  
 
 
 
 
 
 
  
 
 
 
 
 
ITEM 1B – UNRESOLVED STAFF COMMENTS

Not Applicable.

ITEM 2 – PROPERTIES

We  occupy  a  facility  consisting  of  approximately  1,700  square  feet  of  office  space  at  40  Speen  Street  in  Framingham,  Massachusetts.  The  lease  is  for  24  months  through
September  2022.  We  believe  that  this  space  is  adequate  for  our  current  needs  and  that  if  additional  space  is  required,  it  can  be  obtained  at  commercially  reasonable  terms
nearby.

In addition, we lease 360 sq. ft. of office space in Miami, Florida. The lease provided for an initial term of 12 months, which commenced on December 1, 2016, and has been
extended on a year-by-year basis through November 30, 2022. We believe that this space is adequate for our current needs and that if additional space is required, it can be
obtained at commercially reasonable terms either within its current space or nearby.

ITEM 3 – LEGAL PROCEEDINGS

From time to time, we may be a party to litigation and subject to claims incident to the ordinary course of business. Although the results of litigation and claims cannot be
predicted with certainty, we currently believe that the final outcome of these ordinary course matters will not have a material adverse effect on our business. Regardless of the
outcome, litigation can have an adverse impact on us because of defense and settlement costs, diversion of management resources and other factors.

There are no matters, as of December 31, 2021, that, in the opinion of management, might have a material adverse effect on our financial position, results of operations or cash
flows.

ITEM 4 – MINE SAFETY DISCLOSURES

Not applicable.

49

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

Our common stock and common stock purchase warrants are listed on The Nasdaq Capital Market (“Nasdaq”) under the symbols “XBIO” and “XBIOW”, respectively.

PART II

Holders of Record

As of March 18, 2022, there were 424 holders of record of our common stock.

Dividends

We have never previously declared or paid any cash dividends on our common stock. We currently intend to retain earnings and profits, if any, to support our business strategy
and  do  not  intend  to  pay  any  cash  dividends  within  the  foreseeable  future.  Any  future  determination  to  pay  cash  dividends  will  be  at  the  sole  discretion  of  our  Board  of
Directors and will depend upon the financial condition of the Company, our operating results, capital requirements, general business conditions and any other factors that the
Board of Directors deems relevant.

Equity Compensation Plan Information

The information required by Item 5 with respect to securities authorized for issuance under equity compensation plans is incorporated herein by reference to Part III, Item 12 of
this Form 10-K.

Recent Sales of Unregistered Securities

None.

Repurchases of Equity Securities of the Issuer

During the quarter ended December 31, 2021, we did not repurchase any of our outstanding shares of common stock.

ITEM 6 – [RESERVED]

Reserved.

ITEM 7 – MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

BUSINESS OVERVIEW

We  are  a  biopharmaceutical  company  focused  on  progressing  XCART™,  a  personalized  CAR  T  platform  technology  engineered  to  target  patient-  and  tumor-specific
neoantigens.  We  are  initially  advancing  cell-based  therapeutics  targeting  the  unique  B-cell  receptor  on  the  surface  of  an  individual  patient’s  malignant  tumor  cells  for  the
treatment of B-cell lymphomas. The XCART technology, developed by the Scripps Research Institute (“Scripps Research”) in collaboration with the Shemyakin-Ovchinnikov
Institute of Bioorganic Chemistry, is believed to have the potential to significantly enhance the safety and efficacy of cell therapy for B-cell lymphomas by generating patient-
and tumor-specific CAR T cells.

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Additionally, we are leveraging our proprietary drug delivery platform, PolyXen®, by partnering with biotechnology and pharmaceutical companies. PolyXen is an enabling
platform technology which can be applied to protein or peptide therapeutics. It employs the natural polymer polysialic acid (“PSA”) to prolong a drug’s circulating half-life and
potentially improve other pharmacological properties.

We incorporate our patented and proprietary technologies into drug candidates currently under development with biotechnology and pharmaceutical industry collaborators to
create what we believe will be the next-generation biologic drugs with improved pharmacological properties over existing therapeutics. Our drug candidates have resulted from
our research activities or that of our collaborators and are in the development stage. As a result, we continue to commit a significant amount of our resources to our research and
development  activities  and  anticipate  continuing  to  do  so  for  the  near  future. To  date,  none  of  our  drug  candidates  have  received  regulatory  marketing  authorization  in  the
United States (“U.S.”) by the Food and Drug Administration nor in any other territories by any applicable agencies. We are receiving ongoing royalties pursuant to a license of
our PolyXen technology to an industry partner. Although we hold a broad patent portfolio, the focus of our internal development efforts during the year ended December 31,
2021, was on advancing the development of our XCART platform technology.

Critical Accounting Policies and Estimates

The preparation of our financial statements in conformity with U.S. generally accepted accounting principles (“U.S. GAAP”) requires us to make estimates, judgments and
assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenue, costs and expenses during the
reporting period. On an ongoing basis, we evaluate our estimates that are based on historical experience and on various other assumptions that we believe to be reasonable
under the circumstances. The result of these evaluations forms the basis for making judgments about the carrying values of assets and liabilities and the reported amount of
expenses that are not readily apparent from other sources. Because future events and their effects cannot be determined with certainty, actual results and outcomes may differ
materially from our estimates, judgments and assumptions.

Management believes that the following accounting estimates are the most critical to aid in fully understanding and evaluating our reported financial results, and they require
management’s most difficult subjective or complex judgments, resulting from the need to make estimates about the effect of matters that are inherently uncertain. The following
narrative describes these critical accounting estimates, judgments and assumptions and the effect if actual results differ from these assumptions.

Revenue Recognition

We enter into supply, license and collaboration arrangements with pharmaceutical and biotechnology partners, some of which include royalty agreements based on potential net
sales of approved commercial pharmaceutical products.

We recognize revenue in accordance with Accounting Standards Codification (“ASC”) Topic 606, Revenue from Contracts with Customers (“ASC 606”). This standard applies
to all contracts with customers, except for contracts that are within the scope of other standards, such as leases, insurance, collaboration arrangements and financial instruments.
Under ASC 606, an entity recognizes revenue when its customer obtains control of promised goods or services, in an amount that reflects the consideration which the entity
expects to receive in exchange for those goods or services. To determine revenue recognition for arrangements that an entity determines are within the scope of ASC 606, the
entity performs the following five steps: (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction
price; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue at a point in time, or over time, as it satisfies a performance
obligation.  We  only  apply  the  five-step  model  to  contracts  when  it  is  probable  that  it  will  collect  the  consideration  it  is  entitled  to  in  exchange  for  the  goods  or  services  it
transfers  to  the  customer. At  contract  inception,  once  the  contract  is  determined  to  be  within  the  scope  of  ASC  606,  we  assess  the  goods  or  services  promised  within  each
contract,  determine  those  that  are  performance  obligations,  and  assess  whether  each  promised  good  or  service  is  distinct.  We  then  recognize  as  revenue  the  amount  of  the
transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied.

51

 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
As part of the accounting for these arrangements, we must use significant judgment to determine: a) the number of performance obligations based on the determination under
step (ii) above; b) the transaction price under step (iii) above; and c) the stand-alone selling price for each performance obligation identified in the contract for the allocation of
transaction price in step (iv) above. We use judgment to determine whether milestones or other variable consideration should be included in the transaction price as described
further below. The transaction price is allocated to each performance obligation on a relative stand-alone selling price basis, for which we recognize revenue as or when the
performance  obligations  under  the  contract  are  satisfied.  In  developing  the  stand-alone  price  for  a  performance  obligation,  we  consider  applicable  market  conditions  and
relevant entity-specific factors, including factors that were contemplated in negotiating the agreement with the customer and estimated costs. We validate the stand-alone selling
price for performance obligations by evaluating whether changes in the key assumptions used to determine the stand-alone selling prices will have a significant effect on the
allocation of transaction price between multiple performance obligations. We recognize a contract asset or liability for the difference between our performance (i.e., the goods
or services transferred to the customer) and the customer’s performance (i.e., the consideration paid by, and unconditionally due from, the customer).

The  terms  of  our  license  agreements  may  include  delivery  of  an  IP  license  to  a  collaboration  partner.  We  may  be  compensated  under  license  arrangements  through  a
combination  of  non-refundable  upfront  receipts,  development  and  regulatory  objective  receipts  and  royalty  receipts  on  future  product  sales  by  partners.  We  anticipate
recognizing  non-refundable  upfront  license  payments  and  development  and  regulatory  milestone  payments  received  by  us  in  license  and  collaboration  arrangements  that
include  future  obligations,  such  as  supply  obligations,  ratably  over  our  expected  performance  period  under  each  respective  arrangement.  We  make  our  best  estimate  of  the
period over which we expect to fulfill our performance obligations, which may include technology transfer assistance, research activities, clinical development activities, and
manufacturing activities from development through the commercialization of the product. Given the uncertainties of these collaboration arrangements, significant judgment is
required to determine the duration of the performance period.

When  we  enter  into  an  arrangement  to  sublicense  some  of  our  patents,  we  will  consider  the  performance  obligations  to  determine  if  there  is  a  single  element  or  multiple
elements to the arrangement as we determine the proper method and timing of revenue recognition. We consider the terms of the license or sublicense for such elements as price
adjustments  or  refund  clauses  in  addition  to  any  performance  obligations  for  us  to  provide  such  as  services,  patent  defense  costs,  technology  support,  marketing  or  sales
assistance or any other elements to the arrangement that could constitute an additional deliverable to it that could change the timing of the revenue recognition. Non-refundable
upfront  license  and  sublicense  fees  received,  whereby  continued  performance  or  future  obligations  are  considered  inconsequential  or  perfunctory  to  the  relevant  licensed
technology, are recognized as revenue upon delivery of the technology.

We  expect  to  recognize  royalty  revenue  in  the  period  of  sale,  based  on  the  underlying  contract  terms,  provided  that  the  reported  sales  are  reliably  measurable,  we  have  no
remaining performance obligations, and all other revenue recognition criteria are met. We anticipate reimbursements for research and development services completed by us
related to the collaboration agreements to be recognized in operations as revenue on a gross basis. Our license and collaboration agreements with certain collaboration partners
could also provide for future milestone receipts to us based solely upon the performance of the respective collaboration partner in consideration of deadline extensions or upon
the achievement of specified sales volumes of approved drugs. For such receipts, we expect to recognize the receipts as revenue when earned under the applicable contract
terms on a performance basis or ratably over the term of the agreement. These receipts may also be recognized as revenue when continued performance or future obligations by
us are considered inconsequential or perfunctory.

Research and Development Expenses

Research and development expenses consist of expenses incurred in performing research and development activities, including compensation and benefits, facilities expenses,
overhead  expenses,  pre-clinical  development,  clinical  trial  and  related  clinical  manufacturing  expenses,  fees  paid  to  contract  research  organizations  (“CROs”)  and  contract
manufacturing  organizations  and  other  outside  expenses.  We  expense  research  and  development  costs  as  incurred.  We  expense  upfront,  non-refundable  payments  made  for
research and development services as obligations are incurred. The value ascribed to intangible assets acquired but which have not met capitalization criteria is expensed as
research and development at the time of acquisition.

52

 
 
 
 
  
 
 
 
 
 
 
 
 
We  are  required  to  estimate  accrued  research  and  development  expenses  at  each  reporting  period.  This  process  involves  reviewing  open  contracts  and  purchase  orders,
communicating with our personnel to identify 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 actual costs. The majority of our service providers invoice us in arrears for services performed, on a
pre-determined schedule or when contractual milestones are met. However, some require advanced payments. We make estimates of accrued expenses as of each balance sheet
date in the financial statements based on facts and circumstances known at that time. We periodically confirm the accuracy of the estimates with the service providers and make
adjustments, if necessary. Examples of estimated accrued research and development expenses include fees paid to:

·
·
·
·

Collaborative partners performing research and development and pre-clinical activities;
Program managers in connection with overall program management of clinical trials;
CROs in connection with clinical trials; and
Investigative sites in connection with clinical trials.

We base our expenses related to research and development, pre-clinical activities and clinical trials on our estimates of the services received and efforts expended pursuant to
quotes and contracts with multiple research institutions and CROs that conduct and manage clinical trials 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  vendors  will  exceed  the  level  of
services provided and result in a prepayment of the 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 the 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 may result in reporting amounts that are too high or too low in any particular period. To date, there have not
been any material adjustments to our prior estimates of accrued research and development expenses.

Share-based Expense

Share-based  expense  includes  grants  of  options  and  restricted  stock  units  (“RSUs”)  to  employees  and  non-employees  to  purchase  shares  of  our  common  stock,  Joint  Share
Ownership Plan awards to employees and agreements to issue common stock in exchange for services provided by non-employees.

Share-based expense is based on the estimated fair value of the option or calculated using the Black-Scholes option pricing model. Determining the appropriate fair value model
and related assumptions requires judgment, including estimating share price volatility and expected terms of the awards. The expected volatility rates are estimated based on the
historical volatility of the Company. To the extent Company data is not available for the full expected term of the awards, we use a weighted average of our historical volatility
and  of  a  peer  group  of  comparable  publicly  traded  companies  over  the  expected  term  of  the  option.  The  expected  term  represents  the  time  that  options  are  expected  to  be
outstanding. We account for forfeitures as they occur and not at the time of grant. We have not paid dividends and do not anticipate paying cash dividends in the foreseeable
future and, accordingly, we use an expected dividend yield of zero. The risk-free interest rate is based on the rate of U.S. Treasury securities with maturities consistent with the
estimated expected term of the awards. Upon exercise, stock options are redeemed for newly issued shares of our common stock. RSUs are redeemed for newly issued shares of
our common stock as the vesting and settlement provisions of the grant are met.

For employee options that vest based solely on service conditions, the fair value measurement date is generally on the date of grant and the related compensation expense is
recognized  on  a  straight-line  basis  over  the  requisite  vesting  period  of  the  awards.  For  non-employee  options  issued  in  exchange  for  goods  or  services  consumed  in  the
Company’s operations, the fair value measurement date is the earlier of the date the performance of services is complete or the date the performance commitment has been
reached. We generally determine that the fair value of the stock options is more reliably measurable than the fair value of the services received. Compensation expense related
to stock options granted to non-employees is recognized on a straight-line basis over requisite vesting periods of the awards.

53

 
 
 
 
 
 
 
 
  
 
  
 
 
 
 
 
 
 
Warrants

In connection with certain financing, consulting and collaboration arrangements, we issued warrants to purchase shares of our common stock. The outstanding warrants are
standalone instruments that are not puttable or mandatorily redeemable by the holder and are classified as equity awards. We measure the fair value of the awards using the
Black-Scholes  option  pricing  model  as  of  the  measurement  date.  Warrants  issued  to  collaboration  partners  in  conjunction  with  the  issuance  of  Common  Stock  are  initially
recorded at fair value as a reduction in additional paid-in capital of the common stock issued.

All other warrants are recorded at fair value as expense on a straight-line basis over the requisite service period or at the date of issuance if there is not a service period or if
service has already been rendered. For warrants that contain vesting triggers based on the achievement of certain objectives, we apply judgment to estimate the probability and
timing of the achievement of those objectives. These estimates involve inherent uncertainties, and as a result, if the probability or timing of the achievement of those objectives
change, expense related warrants could be materially different in the future. For warrants issued in connection with financing arrangements we allocate the proceeds based on
the relative fair value of the award and other instrument(s).

Indefinite-lived Intangible Assets

Assets  acquired  and  liabilities  assumed  in  business  combinations,  licensing  and  other  transactions  are  generally  recognized  at  the  date  of  acquisition  at  their  respective  fair
values. Any excess of the purchase price over the estimated fair values of the net assets acquired is recognized as goodwill. At acquisition, we generally determine the fair value
of intangible assets, including in-process research and development (“IPR&D”), using the “income method.” This method starts with a forecast of net cash flows, risk adjusted
for estimated probabilities of technical and regulatory success (for IPR&D) and adjusted to present value using an appropriate discount rate that reflects the risk associated with
the cash flow streams. IPR&D intangible assets are considered indefinite-lived intangible assets until completion or abandonment of the associated research and development
efforts.

Subsequent  to  acquisition,  indefinite  lived  intangibles  are  not  amortized  but  are  reviewed  for  impairment  at  least  annually  as  of  October  1,  or  when  events  or  changes  in
circumstances  indicate  it  is  more  likely  than  not  that  the  carrying  amount  of  such  assets  may  not  be  recoverable.  Our  annual  assessment  may  consist  of  a  qualitative  or
quantitative analysis to determine if it is more likely than not that its fair value exceeds the carrying value. When performing the qualitative method, we determine whether the
existence of events or circumstances leads us to determine that it is more likely than not (that is, a likelihood of more than 50%) that indefinite lived intangibles are impaired. If
we choose to first assess qualitative factors and it is determined that it is not more likely than not that intangible assets are impaired, then we are not required to take further
action to test for impairment. We also have the option to bypass the qualitative assessment and perform only the quantitative impairment test, which we may choose to do in
some periods but not in others. As the option to perform the qualitative assessment is not a permanent election, we reassess this option during each annual impairment review.
An impairment loss, if any, is measured as the excess of the carrying value of the intangible asset over its fair value.

When performing quantitative analysis, we use the income and market valuation methods and may weigh outcomes of valuation approaches when estimating fair value. Inputs
and  assumptions  used  to  determine  fair  value  are  determined  from  a  market  participant  view,  which  might  be  different  than  our  specific  views.  The  valuation  process  is
complex  and  requires  significant  input  and  judgment  using  internal  and  external  sources.  Market  approaches  depend  on  the  availability  of  guideline  companies  and
representative  transactions.  When  using  the  income  approach,  complex  and  judgmental  matters  applicable  to  the  valuation  process  may  include  estimated  useful  life,
projections, tax rates and discount rates.

Intangible assets are highly vulnerable to impairment charges, particularly newly acquired assets for IPR&D. Considering the high risk nature of research and development and
the  industry’s  success  rate  of  bringing  developmental  compounds  to  market,  IPR&D  impairment  charges  are  likely  to  occur  in  future  periods.  Estimating  the  fair  value  of
IPR&D for potential impairment is highly sensitive to changes in projections and assumptions and changes in assumptions could potentially lead to impairment.

54

 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
We  believe  our  estimates  and  assumptions  are  reasonable  and  otherwise  consistent  with  assumptions  that  market  participants  would  use  in  their  estimates  of  fair  value.
However, if future results are not consistent with our estimates and assumptions, then we may be exposed to an impairment charge, which could be material. Use of different
estimates and judgments could yield materially different results in our analysis and could result in materially different asset values or expense.

Effects of the COVID-19 Pandemic

During March 2020, a global pandemic was declared by the World Health Organization related to the rapidly growing outbreak of a novel strain of coronavirus, or COVID-19.
The pandemic has significantly affected economic conditions in the U.S., accelerating during the first half of March 2020 and continuing throughout 2021 and into 2022, as
federal, state and local governments react to the public health crisis with mitigation measures, creating significant uncertainties in the U.S. economy. We continue to evaluate
the  effects  of  the  COVID-19  pandemic  on  our  business,  and  while  our  operations  were  not  materially  affected  during  the  year  ended  December  31,  2021  despite  social
distancing  and  other  measures  taken  in  response  to  the  pandemic,  the  ultimate  impact  of  the  COVID-19  pandemic  on  our  results  of  operations  and  financial  condition  is
dependent on future developments, including the duration of the pandemic and the related extent of its severity, the pace and rate at which vaccines are administered, and the
continued emergence of new strains of COVID-19, such as the Delta and Omicron variants, as well as its impact on macroeconomic conditions, which are uncertain and cannot
be predicted at this time. If the global response to contain the COVID-19 pandemic escalates further or is unsuccessful, or if governmental decisions to ease pandemic related
restrictions are ineffective, premature or counterproductive, we could experience a material adverse effect on our business, financial condition, results of operations and cash
flows.

Results of Operations

The table below sets forth the comparison of our historical results of operations for the year ended December 31, 2021 to the year ended December 31, 2020.

Description
Revenue:
Royalty revenue
Operating costs and expenses:
Research and development
General and administrative
Asset impairment charges
Total operating costs and expenses
Loss from operations
Other income (expense):
Other income (expense)
Interest income, net
Loss before income taxes
Income tax benefit
Net loss

Revenue

2021

2020

Increase (Decrease)

Percentage Change  

$

1,160,692 

$

436,942   

$

723,750   

(3,163,485)  
(3,743,972)  

– 

(6,907,457)  
(5,746,765)  

1,119 
100,467 
(5,645,179)  

– 

$

(5,645,179)  

$

(1,731,406)  
(3,400,071)  
(9,243,128)  
(14,374,605)  
(13,937,663)  

(492)  
126,171   
(13,811,984)  
2,918,518   
(10,893,466)  

$

1,432,079   
343,901   
(9,243,128)  
(7,467,148)  
(8,190,898)  

1,611   
(25,704)  
(8,166,805)  
(2,918,518)  
(5,248,287)  

165.6% 

82.7% 
10.1% 
(100.0)%
(51.9)% 
(58.8)% 

327.4% 
(20.4)% 
(59.1)% 
(100.0)% 
(48.2)% 

Revenue for the year ended December 31, 2021 increased by $0.7 million, or 165.6%, to $1.2 million from approximately $0.4 million for the year ended December 31, 2020.
The increase represents an increase in royalty revenue related to our sublicense agreement with Takeda Pharmaceuticals Co. Ltd. as compared to the same period in 2020, as
Takeda’s sublicensee continued its worldwide launch of the product.

55

 
 
 
 
 
 
 
 
 
 
   
   
 
 
  
 
 
    
 
    
 
  
 
 
 
 
 
  
 
 
    
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
    
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
Research and Development Expense

R&D expenses for the year ended December 31, 2021 increased by $1.4 million, or 82.7%, to $3.2 million from $1.7 million for the year ended December 31, 2020. The table
below sets forth the research and development expenses incurred by category of expense for the year ended December 31, 2021, and 2020.

Category of Expense

Outside services and Contract Research Organizations
Personnel costs
Share-based expense
Other
Total research and development expense

Year ended December 31,

2021

2020

2,497,190   
457,313   
68,208   
140,774   
3,163,485   

$

$

1,203,582 
342,883 
49,191 
135,750 
1,731,406 

$

$

The increase in outside services and contract research organizations expense was primarily due to increased spending related to our XCART platform technology during the
year ended December 31, 2021, as compared to the prior year. Costs related to our XCART program were significantly higher in 2021, as compared to the same period in 2020,
as we continued to invest in our pre-clinical developments efforts to advance the technology. Salaries and wages increased during the year ended December 31, 2021 due to
higher employee related costs.

General and Administrative Expense

General and administrative expenses for the year ended December 31, 2021 was $3.7 million, increasing $0.3 million, or 10.1%, compared to the same period in the prior year.
Increases in employee related, consulting and insurance costs during the year ended December 31, 2021, compared to the same period in 2020, were partially offset by lower
legal and share-based expense. In addition, general and administrative expenses for the year ended December 31, 2020 were lower than the same period in 2021 due to a $0.1
million gain on settlement of certain vendor amounts to close out our XBIO-101 trial recognized during 2020.

Asset Impairment Charges

Asset impairment charges were $9.2 million for the year ended December 31, 2020, as we recorded an asset impairment charge of $9.2 million related to our IPR&D. There
was no similar charge during the year ended December 31, 2021.

Other Income (Expense)

Other income was approximately $1,100 for the year ended December 31, 2021 compared to other expense of approximately $500 for the same period in 2020. This increase in
income was primarily related to changes in foreign currency exchange rates during the year ended December 31, 2021, as compared to the same period in 2020.

Interest Income, net

Interest income, net decreased to approximately $100,000 during the year ended December 31, 2021, as compared to approximately $126,000 for the same period in the prior
year. This decrease is primarily due to lower interest rate yields on invested funds during the year ended December 31, 2021 compared to the same period in 2020.

56

 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
Income Tax Benefit

Income tax benefit of $2.9 million for the year ended December 31, 2020 was due to the impairment of IPR&D during 2020. There was no similar benefit during the year ended
December 31, 2021.

Liquidity and Capital Resources

We incurred a net loss of approximately $5.6 million for the year ended December 31, 2021. We had an accumulated deficit of approximately $182.5 million at December 31,
2021, as compared to an accumulated deficit of approximately $176.9 million at December 31, 2020. Working capital was approximately $17.3 million at December 31, 2021,
and  $11.4  million  at  December  31,  2020,  respectively.  During  the  year  ended  December  31,  2021,  our  working  capital  increased  by  $5.9  million  due  to  our  $12.5  million
private placement in July 2021 partially offset by our net loss for the year ended December 31, 2021. We expect to continue incurring losses for the foreseeable future and may
need to raise additional capital or pursue other strategic alternatives in the long-term in order to continue the pursuit of our business plan.

Our principal source of liquidity consists of cash. At December 31, 2021, we had approximately $18.2 million in cash and $1.4 million in current liabilities. At December 31,
2020, we had approximately $11.5 million in cash and $0.9 million in current liabilities. We have historically relied upon sales of our equity securities to fund our operations.
We expect the majority of our funding through equity or equity-linked instruments, debt financings, corporate collaborations, related party funding and/or licensing agreements
to continue as a trend for the foreseeable future.

Management evaluates whether there are conditions or events, considered in the aggregate, that raise substantial doubt about our ability to continue as a going concern within
one year after the date that the financial statements are issued. We have incurred substantial losses since our inception, and we expect to continue to incur operating losses in the
near-term. These factors raise substantial doubt about our ability to continue as a going concern. We believe that we have access to capital resources through possible public or
private equity offerings, debt financings, corporate collaborations, related party funding or other means to continue as a going concern. On July 28, 2021, we completed a $12.5
million  private  placement  of  our  common  stock  resulting  in  approximately  $11.5  million  of  net  proceeds  to  us.  We  believe  that  this  financing,  coupled  with  our  existing
resources,  will  be  adequate  to  fund  our  operations  into  the  second  quarter  of  2023.  However,  we  anticipate  we  may  need  additional  capital  in  the  long-term  to  pursue  our
business initiatives. The terms, timing and extent of any future financing will depend upon several factors, including the achievement of progress in our clinical development
programs, our ability to identify and enter into licensing or other strategic arrangements, and factors related to financial, economic geo-political, industry and market conditions,
many of which are beyond our control. The capital markets for the biotech industry can be highly volatile, which make the terms, timing and extent of any future financing
uncertain.

Cash Flows from Operating Activities

Cash  flows  used  in  operating  activities  for  the  year  ended  December  31,  2021  totaled  approximately  $4.7  million,  which  was  primarily  due  to  our  net  loss  for  the  period,
partially offset by non-cash charges associated with share-based expense. Cash flows used in operating activities for the year ended December 31, 2020 totaled approximately
$4.3 million, which was primarily due to our net loss for the period, offset by non-cash charges associated with asset impairment charges, deferred income taxes, share-based
expense and settlement of certain amounts payable to a vendor related to the close-out of our XBIO-101 trial.

Cash Flows from Investing Activities

There were no cash flows from investing activities for the years ended December 31, 2021 and 2020.

57

 
 
 
 
 
  
 
 
 
  
 
 
 
 
 
 
 
Cash Flow from Financing Activities

Cash flows from financing activities for the year ended December 31, 2021 totaled approximately $11.5 million, representing net proceeds from our private placement in July
2021.  Cash  flows  from  financing  activities  for  the  year  ended  December  31,  2020  totaled  approximately  $5.4  million,  representing  net  proceeds  from  our  registered  direct
common stock offering in December 2020.

Contractual Obligations

Contractual obligations represent future cash commitments and liabilities under agreements with third-parties and exclude contingent liabilities for which we cannot reasonably
predict future payment. Our contractual obligations result from property leases for office space. Although we do have obligations for CRO services, the table below excludes
potential  payments  we  may  be  required  to  make  under  our  agreements  with  CROs  because  timing  of  payments  and  actual  amounts  paid  under  those  agreements  may  be
different depending on the timing of receipt of goods or services or changes to agreed-upon terms or amounts for some obligations, and those agreements are cancelable upon
written notice by the Company and therefore, not long-term liabilities. The contracts may also contain variable costs that are hard to predict as they are based on such things as
patients enrolled and clinical trial sites, which can vary and, therefore, are also not included in the table below. Additionally, the expected timing of payment of the obligations
presented below is estimated based on current information.

The following tables represent our contractual obligations as of December 31, 2021, aggregated by type:

Payments Due by Period
As of December 31, 2021

Less
than
1 year

Total

44,827 
44,827 

$
$

1-3
years

3-5
years

More
than
5 years

44,827 
44,827 

$
$

–   
–   

$
$

–   
–   

$
$

– 
– 

Lease obligations
Total

$
$

Recent Accounting Standards

Refer to Note 3, Summary of Significant Accounting Policies, of the accompanying financial statements set forth in Item 8.

ITEM 7A – QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We are not required to provide the information required by this Item because we are a smaller reporting company.

58

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ITEM 8 – FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

Report of Independent Registered Public Accounting Firm (PCAOB ID 688)

Consolidated Balance Sheets as of December 31, 2021 and 2020

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

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

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

Notes to Consolidated Financial Statements

F-1

F-3

F-4

F-5

F-6

F-7

59

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Shareholders and Board of Directors of
Xenetic Biosciences, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Xenetic Biosciences, Inc. (the “Company”) as of December 31, 2021 and 2020, the related consolidated
statements of comprehensive loss, stockholders’ equity and cash flows for each of the two years in the period ended December 31, 2021, and the related notes (collectively
referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December
31,  2021  and  2020,  and  the  results  of  its  operations  and  its  cash  flows  for  each  of  the  two  years  in  the  period  ended  December  31,  2021,  in  conformity  with  accounting
principles generally accepted in the United States of America.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our
audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) ("PCAOB") and are required to be independent with
respect  to  the  Company  in  accordance  with  the  U.S.  federal  securities  laws  and  the  applicable  rules  and  regulations  of  the  Securities  and  Exchange  Commission  and  the
PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about
whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an
audit of its internal control over financial reporting. As part of our audits we are required to obtain an understanding of internal control over financial reporting but not for the
purpose of expressing an opinion on the effectiveness of the Company's internal control over financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures
that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also
included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We
believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matters

The  critical  audit  matters  communicated  below  are  matters  arising  from  the  current  period  audit  of  the  financial  statements  that  were  communicated  or  required  to  be
communicated to the audit committee and that: (1) relate to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging,
subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the financial statements, taken as a whole, and we are
not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.

F-1

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Going Concern Assessment

Description of the Matter

As described in Note 1 to the consolidated financial statements, management believes that the Company has sufficient funding available to it at the date of approval of these
financial statements and that it will be able to continue as a going concern for a period of at least twelve months from the date of these financial statements. In making this
assessment, management has considered the July 2021 private placement that resulted in approximately $11.5 million of net proceeds, coupled with the Company’s existing
resources.

We identified the Company’s assessment of its ability to continue as a going concern and related disclosures as a critical audit matter. The Company prepared future cash flow
forecasts  which  involves  judgement  and  estimation  of  key  variables  such  as  future  expected  revenue  royalty  proceeds  and  costs  associated  with  progressing  XCART
technology.  Auditing  the  Company’s  going  concern  assessment  described  above  involves  a  high  degree  of  auditor  judgment  to  assess  the  reasonableness  of  the  cash  flow
forecasts and other assumptions used in the Company’s going concern analysis.

How We Addressed the Matter in Our Audit

We evaluated the assumptions used in the model to estimate the future cash flows for the next twelve months from the date of our opinion by comparing assumptions used by
management against historical performance, budgets, and the Company’s strategic plans. We also assessed the key assumptions including those pertaining to revenue royalty
proceeds  and  the  timing  of  significant  payments  in  the  cash  flow  forecast  by  comparing  them  to  historical  data  and  the  underlying  agreements.  We  performed  sensitivity
analyses on key assumptions such as future expected costs to determine their impact on the projections of future cash flows. Further, we assessed the Company’s disclosures
with respect to its going concern assessment.

Revenue Recognition over Royalty Revenue

Description of the Matter

As described in Note 3 to the consolidated financial statements, the Company’s sources of revenue include royalty proceeds from a royalty agreement with a third-party based
on potential net sales of approved commercial pharmaceutical products which is based on estimated variable consideration. The Company must use significant judgment to
determine when the reported sales are reliably measurable, the Company has no remaining performance obligations, and all other revenue recognition criteria are met.  The
Company’s  policy  is  to  recognize  expected  royalties  as  revenue  when  they  are  reliably  measurable,  which  is  upon  receipt  of  reports  from  the  third-party.  The  Company
typically receives these reports in the quarter subsequent to the actual sublicensee sales.

The principal consideration for our determination that performing procedures relating to revenue recognition, specifically related to management’s estimate of the potential net
sales as expected variable consideration, is a critical audit matter that requires significant judgment by management in determining the best estimate of the amount of expected
variable  consideration.  This  in  turn  led  to  a  high  degree  of  auditor  judgment,  subjectivity  and  effort  in  performing  procedures  and  evaluating  audit  evidence  related  to
management’s identification of expected variable consideration within the royalty contract with the third-party and the judgments made by management used to estimate the
best estimate of variable consideration.

How We Addressed the Matter in Our Audit

Addressing the matter involved performing procedures and evaluating audit evidence in connection with forming our overall opinion on the consolidated financial statements.
These  procedures  included  evaluating  management’s  best  estimate  of  the  potential  net  sales  by  the  third-party  to  determine  variable  consideration.  These  procedures  also
included, among others, (i) evaluating and testing the reasonableness of the significant assumptions used by management, (ii) consideration of both historical or current trends,
noting a relative lack of historical experience available in relation to expected amounts and (iii) obtaining and vouching evidence including reports received from the third-
party.

Marcum LLP

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

Boston, Massachusetts
March 22, 2022

F-2

 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
XENETIC BIOSCIENCES, INC.
CONSOLIDATED BALANCE SHEETS

ASSETS
Current assets:

Cash
Prepaid expenses and other
Total current assets

Other assets
Total assets

LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:

Accounts payable
Accrued expenses and other current liabilities
Total current liabilities

Other long-term liabilities
Total liabilities

Commitments and contingencies (Note 13)
Stockholders' equity:

Preferred stock, 10,000,000 shares authorized
Series B, $0.001 par value: 1,804,394 shares issued and outstanding as of December 31, 2021 and December 31,

2020

Series A, $0.001 par value: 970,000 shares issued and outstanding as of December 31, 2021 and December 31,

2020

Common stock, $0.001 par value; 50,000,000 shares authorized as of December 31, 2021 and December 31,

2020; 13,466,603 and 8,772,198 shares issued as of December 31, 2021 and December 31, 2020, respectively;
13,439,612 and 8,745,207 shares outstanding as of December 31, 2021 and December 31, 2020, respectively

Additional paid in capital
Accumulated deficit
Accumulated other comprehensive income
Treasury stock
Total stockholders' equity

Total liabilities and stockholders' equity

December 31, 2021    

December 31, 2020  

$

$

$

$

18,244,030   
479,399   
18,723,429   

1,091,931   
19,815,360   

362,470   
1,058,633   
1,421,103   

–   
1,421,103   

1,804   

970   

13,465   
205,952,729   
(182,547,265)  
253,734   
(5,281,180)  
18,394,257   
19,815,360   

$

$

$

$

11,527,552 
841,958 
12,369,510 

809,985 
13,179,495 

327,396 
609,532 
936,928 

27,043 
963,971 

1,804 

970 

8,771 
194,133,511 
(176,902,086)
253,734 
(5,281,180)
12,215,524 
13,179,495 

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

F-3

 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
   
 
 
 
 
    
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
    
 
  
 
 
    
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
    
 
  
 
 
   
 
 
 
 
    
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
XENETIC BIOSCIENCES, INC.
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

Revenue

Royalty revenue

Total revenue

Operating costs and expenses:
Research and development
General and administrative
Asset impairment charges (Note 6)

Total operating costs and expenses

Loss from operations

Other income (expense):

Other income (expense)
Interest income, net
Total other income, net

Loss before income taxes

Income tax benefit

Net loss

Basic and diluted net loss per share

Weighted-average shares of common stock outstanding, basic and diluted

FOR THE YEARS ENDED
DECEMBER 31,

2021

2020

1,160,692   
1,160,692   

$

436,942 
436,942 

(3,163,485)  
(3,743,972)  
–   
(6,907,457)  
(5,746,765)  

1,119   
100,467   
101,586   

(1,731,406)
(3,400,071)
(9,243,128)
(14,374,605)
(13,937,663)

(492)
126,171 
125,679 

(5,645,179)  

(13,811,984)

–   

2,918,518 

(5,645,179)  

(0.55)  

$

$

(10,893,466)

(1.70)

10,279,408   

6,392,381 

$

$

$

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

F-4

 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
   
 
 
 
    
  
 
 
    
 
  
 
 
 
 
 
 
 
    
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
    
 
  
 
 
 
 
    
 
  
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
Balance as of January 1,

2020

Issuance of common stock

in registered direct
offering, net of issuance
costs

Exercise of purchase

warrants

Issuance of common stock

to vendor

Share-based expense
Net loss
Balance as of December

31, 2020

Issuance of common stock

and warrants, net of
issuance costs

Exercise of pre-funded

warrants

Exercise of purchase

warrants

Share-based expense
Issuance of common stock

to vendor

Issuance of common stock

in connection with
warrant buyout

Net loss
Balance as of December

31, 2021

XENETIC BIOSCIENCES, INC.
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

Preferred Stock

Common Stock

Number
of
Shares

Par
Value ($0.001)

Number
of
Shares

Par
Value ($0.001)

Additional
Paid in
Capital

Accumulated
Deficit

    Accumulated   
Other
Comprehensive
Income

Treasury
Stock

Total
Stockholders'
Equity

2,774,394    $

2,774   

6,092,432    $

6,092    $

188,240,451   $(166,008,620) $

253,734  $ (5,281,180) $

17,213,251 

–   

–   

–   
–   
–   

–   

–   

–   
–   
–   

2,448,980   

229,598   

1,188   
–   
–   

2,499   

229   

1   
–   
–   

5,424,376    

(229)  

–    

–    

(1)  
468,914    
–    

–    
–    
(10,893,466)  

–   

–   

–   
–   
–   

–    

–    

–    
–    
–    

5,426,825 

– 

– 
468,914 
(10,893,466)

2,774,394    $

2,774   

8,772,198    $

8,771    $

194,133,511   $(176,902,086) $

253,734  $ (5,281,180) $

12,215,524 

–   

–   

–   
–   

–   

–   
–   

–   

–   

–   
–   

–   

–   
–   

950,000   

3,679,630   

5,988   
–   

7,153   

51,634   
–   

950   

11,449,916    

3,679   

6   
–   

7   

52   
–   

–    

(6)  
410,437    

(7)  

–    

–    

–    
–    

–    

(41,122)  
–    

–    
(5,645,179)  

–   

–   

–   
–   

–   

–   
–   

–    

11,450,866 

–    

–    
–    

–    

–    
–    

3,679 

– 
410,437 

– 

(41,070)
(5,645,179)

2,774,394    $

2,774   

13,466,603    $

13,465    $

205,952,729   $(182,547,265) $

253,734  $ (5,281,180) $

18,394,257 

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

F-5

 
 
  
 
 
 
 
    
 
    
 
    
 
    
 
     
     
    
     
  
 
 
   
   
 
   
 
 
   
 
 
 
 
   
   
   
   
   
   
  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
XENETIC BIOSCIENCES, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS

CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss

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

Asset impairment charges
Deferred income taxes
Depreciation
Amortization of right of use asset
Gain on settlement with vendor
Share-based expense
Changes in operating assets and liabilities:

Prepaid expenses and other assets
Accounts payable, accrued expenses and other liabilities

Net cash used in operating activities

CASH FLOWS FROM FINANCING ACTIVITIES:

Net proceeds from issuance of common stock and warrants
Net proceeds from issuance of common stock
Proceeds from exercise of warrants
Net cash provided by financing activities

Net change in cash
Cash at beginning of period

Cash at end of period

SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest

SUPPLEMENTAL SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:

Right of use asset obtained in exchange for lease liability
Issuance of common stock to vendor
Issuance of common stock in connection with warrant buyout
Issuance of common stock from cashless exercise of purchase warrants

FOR THE YEARS ENDED 
DECEMBER 31,

2021

2020

$

(5,645,179)  

$

(10,893,466)

–   
–   
–   
35,482   
–   
410,437   

4,061   
457,132   
(4,738,067)  

11,450,866   
–   
3,679   
11,454,545   

6,716,478   
11,527,552   

9,243,128 
(2,918,518)
757 
28,080 
(143,639)
468,914 

325,662 
(378,111)
(4,267,193)

– 
5,426,825 
– 
5,426,825 

1,159,632 
10,367,920 

$

$

$
$
$
$

18,244,030   

$

11,527,552 

–   

$

– 

–   
7   
41,070   
6   

$
$
$
$

70,564 
1 
– 
229 

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

F-6

 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
   
 
 
 
    
  
 
 
    
 
  
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
    
 
  
 
 
    
 
  
 
 
 
 
    
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
XENETIC BIOSCIENCES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.

The Company

Background

Xenetic  Biosciences,  Inc.  (“Xenetic”  or  the  “Company”),  incorporated  in  the  state  of  Nevada  and  based  in  Framingham,  Massachusetts,  is  a  biopharmaceutical  company
focused on progressing XCART™, a personalized Chimeric Antigen Receptor (“CAR”) T platform technology engineered to target patient- and tumor-specific neoantigens.
The Company is initially advancing cell-based therapeutics targeting the unique B-cell receptor on the surface of an individual patient’s malignant tumor cells, for the treatment
of B-cell lymphomas. The XCART technology, developed by the Scripps Research Institute (“Scripps Research”) in collaboration with the Shemyakin-Ovchinnikov Institute of
Bioorganic Chemistry, is believed to have the potential to significantly enhance the safety and efficacy of cell therapy for B-cell lymphomas by generating patient- and tumor-
specific CAR T cells.

Additionally, Xenetic is leveraging its proprietary drug delivery platform, PolyXen®, by partnering with biotechnology and pharmaceutical companies. PolyXen is an enabling
platform technology which can be applied to protein or peptide therapeutics. It employs the natural polymer polysialic acid (“PSA”) to prolong a drug’s circulating half-life and
potentially improve other pharmacological properties. Xenetic incorporates its patented and proprietary technologies into drug candidates currently under development with
biotechnology  and  pharmaceutical  industry  collaborators  to  create  what  the  Company  believes  will  be  the  next-generation  biologic  drugs  with  improved  pharmacological
properties over existing therapeutics.

The  Company,  directly  or  indirectly,  through  its  wholly-owned  subsidiaries,  Hesperix  S.A.  (“Hesperix”)  and  Xenetic  Biosciences  (U.K.)  Limited  (“Xenetic  UK”),  and  the
wholly-owned subsidiaries of Xenetic UK, Lipoxen Technologies Limited (“Lipoxen”), Xenetic Bioscience, Incorporated and SymbioTec, GmbH (“SymbioTec”), own various
United  States  (“U.S.”)  federal  trademark  registrations  and  applications  along  with  unregistered  trademarks  and  service  marks,  including  but  not  limited  to  XCART,
OncoHist™, PolyXen, ErepoXen™, and ImuXen™, which are used throughout this Annual Report. All other company and product names may be trademarks of the respective
companies with which they are associated.

Going Concern and Management’s Plan

Management  evaluates  whether  there  are  conditions  or  events,  considered  in  the  aggregate,  that  raise  substantial  doubt  about  the  Company’s  ability  to  continue  as  a  going
concern within one year after the date that the financial statements are issued. The Company has incurred substantial losses since its inception and expects to continue to incur
operating  losses  in  the  near-term.  These  factors  raise  substantial  doubt  about  its  ability  to  continue  as  a  going  concern.  The  Company  believes  that  it  has  access  to  capital
resources through possible public or private equity offerings, debt financings, corporate collaborations, related party funding, or other means to continue as a going concern. On
July 28, 2021, the Company completed a $12.5 million private placement of the Company’s common stock, par value $0.001, resulting in approximately $11.5 million of net
proceeds to the Company. The Company believes that this financing, coupled with the Company’s existing resources, will be adequate to fund the Company’s operations into
the second quarter of 2023. However, the Company anticipates it may need additional capital in the long-term to pursue its business initiatives. The terms, timing and extent of
any future financing will depend upon several factors, including the achievement of progress in its clinical development programs, its ability to identify and enter into licensing
or other strategic arrangements, and factors related to financial, economic, geo-political, industry and market conditions, many of which are beyond its control. The capital
markets for the biotech industry can be highly volatile, which make the terms, timing and extent of any future financing uncertain.

F-7

 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
2.

Impact of COVID-19

During March 2020, a global pandemic was declared by the World Health Organization related to the outbreak of a novel strain of coronavirus, or COVID-19. The pandemic
has significantly affected economic conditions in the U.S., accelerating during the first half of March 2020 and continuing throughout 2020 and 2021 and into 2022, as federal,
state  and  local  governments  reacted  to  the  public  health  crisis  with  mitigation  measures,  creating  significant  uncertainties  in  the  U.S.  economy.  The  Company  continues  to
evaluate the effects of the COVID-19 pandemic on its business and while there has been no significant impact to the Company’s operations to date, the Company at this time is
uncertain of the impact this event may have on the Company’s future operations. The extent to which the COVID-19 pandemic affects our business, operations and financial
results will depend on numerous evolving factors that we may not be able to accurately predict, and such uncertainty is expected to continue for some time.

3.

Summary of Significant Accounting Policies

Principles of Consolidation

The  consolidated  financial  statements  of  the  Company  include  the  accounts  of  Hesperix,  Xenetic  UK  and  Xenetic  UK’s  wholly-owned  subsidiaries:  Lipoxen,  Xenetic
Bioscience, Incorporated, and SymbioTec. All material intercompany balances and transactions have been eliminated in consolidation.

Certain prior period amounts have been reclassified to conform to the presentation for the current period.

Use of Estimates

The consolidated financial statements and accompanying notes are prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”). The preparation
of the financial statements in accordance with U.S. GAAP requires management to make estimates, judgments and assumptions that affect the reported amounts of assets and
liabilities, the reported amounts of revenue, costs and expenses in the financial statements and disclosures in the accompanying notes. Actual results and outcomes may differ
materially from management’s estimates, judgments and assumptions.

Functional Currency Change

The functional currency for the Company’s foreign subsidiaries is the U.S. dollar. The functional currency of the Company’s UK-based subsidiaries changed from the British
Pound Sterling to the U.S. dollar when the Company relocated to the U.S. in 2014. The change in functional currency was applied on a prospective basis. Therefore, any gains
and losses that were previously recorded in accumulated other comprehensive income remain unchanged.

Foreign Currency Transactions

Realized and unrealized gains and losses resulting from foreign currency transactions arising from exchange rate fluctuations on balances denominated in currencies other than
the functional currencies are recognized in “Other income (expense)” in the consolidated statements of comprehensive loss. Monetary assets and liabilities that are denominated
in a currency other than the functional currency are re-measured to the functional currency using the exchange rate at the balance sheet date and gains or losses are recorded in
the consolidated statements of comprehensive loss.

F-8

 
 
 
 
  
 
 
 
 
 
  
 
  
 
 
 
 
 
 
 
Fair Value of Financial Instruments

Accounting Standards Codification (“ASC”) Topic 820, Fair Value Measurement, defines fair value as the price that would be received to sell an asset or be paid to transfer a
liability in an orderly transaction between market participants at the measurement date. The Company applies the following fair value hierarchy, which prioritizes the inputs
used to measure fair value into three levels and bases the categorization within the hierarchy upon the lowest level of input that is available and significant to the fair value
measurement. Level 1 inputs are quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date. Level
2 utilizes quoted market prices in markets that are not active, broker or dealer quotations or alternative pricing sources with reasonable levels of price transparency. Level 3
inputs are unobservable inputs for the asset or liability in which there is little, if any, market activity for the asset or liability at the measurement date. As of December 31, 2021
and 2020, the carrying amount of certain of the Company’s financial instruments approximates fair value due to their short maturities. See Note 8, Fair Value Measurements,
for discussion of the Company’s fair value measurements.

Cash

The Company considers all highly liquid investments with maturities of 90 days or less from the date of purchase to be cash equivalents. Investments with original maturities of
greater than 90 days from the date of purchase but less than one year from the balance sheet date are classified as short-term investments, while investments with maturities of
one  year  or  beyond  from  the  balance  sheet  date  are  classified  as  long-term  investments.  Management  determines  the  appropriate  classification  of  its  cash  equivalents  and
investment securities at the time of purchase and re-evaluates such determination as of each balance sheet date. The Company maintains cash primarily with one major financial
institution  that  management  believes  is  of  high  credit  quality.  The  carrying  amount  of  cash  equivalents  approximate  their  fair  value  due  to  the  short-term  nature  of  these
instruments.

Property and Equipment

The Company records property and equipment at cost less accumulated depreciation. Expenditures for major renewals and improvements which extend the life or usefulness of
the asset are capitalized. Items of an ordinary repair or maintenance nature are charged directly to operating expense as incurred. The Company calculates depreciation using
the straight-line method over the estimated useful lives of the assets:

Asset Classification
Office and computer equipment
Leasehold improvements
Furniture and fixtures

Estimated Useful Life

  3 years
  5 years or the remaining term of the lease, if shorter
  5 years

The Company eliminates the cost of assets retired or otherwise disposed of, along with the corresponding accumulated depreciation, from the related accounts, and the resulting
gain or loss is reflected in the results of operations.

Indefinite-Lived Intangible Assets

Acquired  indefinite-lived  intangible  assets  consisted  of  in-process  research  and  development  (“IPR&D”)  related  to  the  Company’s  business  combination  with  SymbioTec,
which  was  recorded  at  fair  value  on  the  acquisition  date.  At  acquisition,  we  generally  determine  the  fair  value  of  intangible  assets,  including  IPR&D,  using  the  “income
method.”  IPR&D  intangible  assets  are  considered  indefinite-lived  intangible  assets  and  are  not  amortized  until  completion  or  abandonment  of  the  associated  research  and
development efforts. Substantial additional research and development may be required before the Company’s IPR&D reaches technological feasibility. Upon completion of the
IPR&D project, the IPR&D assets will be amortized over their estimated useful lives.

F-9

 
 
 
  
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
IPR&D is not amortized but is reviewed for impairment at least annually or when events or changes in the business environment indicate the carrying value may be impaired.
The Company also has the option to first assess qualitative factors to determine whether the existence of events or circumstances leads the Company to determine that it is more
likely than not (that is, a likelihood of more than 50%) that the acquired IPR&D is impaired. If the Company chooses to first assess the qualitative factors and it is determined
that it is not more likely than not acquired IPR&D is impaired, the Company is not required to take further action to test for impairment. The Company also has the option to
bypass the qualitative assessment and perform only the quantitative impairment test, which the Company may choose to perform in some periods but not in others.

The  impairment  loss,  if  any,  is  measured  as  the  excess  of  the  carrying  value  of  the  intangible  asset  over  its  fair  value.  The  Company  historically  had  performed  its  annual
impairment review as of October 1. The Company determined that IPR&D was impaired during the year ended December 31, 2020. See Note 6 Indefinite-Lived Intangible
Assets and Other Long-Term Assets.

Intangible assets are highly vulnerable to impairment charges, particularly newly acquired assets for IPR&D. Considering the high risk nature of research and development and
the  industry’s  success  rate  of  bringing  developmental  compounds  to  market,  IPR&D  impairment  charges  are  likely  to  occur  in  future  periods.  Estimating  the  fair  value  of
IPR&D for potential impairment is highly sensitive to changes in projections and assumptions and changes to assumptions could potentially lead to impairment. The Company
believes its estimates and assumptions are reasonable and otherwise consistent with assumptions market participants would use in their estimates of fair value. However, if
future results are not consistent with the Company’s estimates and assumptions, then the Company may be exposed to an impairment charge, which could be material. Use of
different estimates and judgments could yield materially different results in the Company’s analysis and could result in materially different asset values or expense.

Impairment of Long-Lived Assets

The Company reviews long-lived assets to be held and used, including property and equipment, for impairment whenever events or changes in circumstances indicate that the
carrying amount of the assets or asset group may not be fully recoverable. No such impairments were recorded during the years ended December 31, 2021 and 2020.

Evaluation  of  recoverability  is  based  on  an  estimate  of  undiscounted  future  cash  flows  resulting  from  the  use  of  the  asset  or  asset  group  and  its  eventual  disposition.
Impairment, if any, is calculated as the amount by which an asset’s carrying value exceeds its fair value, typically using discounted cash flows to determine fair value.

Revenue Recognition

The Company enters into supply, license and collaboration arrangements with pharmaceutical and biotechnology partners, some of which include royalty agreements based on
potential net sales of approved commercial pharmaceutical products.

The  Company  recognizes  revenue  in  accordance  with ASC  Topic  606,  Revenue  from  Contracts  with  Customers  (“ASC  606”).  This  standard  applies  to  all  contracts  with
customers, except for contracts that are within the scope of other standards, such as leases, insurance, collaboration arrangements and financial instruments. Under ASC 606, an
entity recognizes revenue when its customer obtains control of promised goods or services, in an amount that reflects the consideration which the entity expects to receive in
exchange for those goods or services. To determine revenue recognition for arrangements that an entity determines are within the scope of ASC 606, the entity performs the
following five steps: (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction price; (iv) allocate the
transaction price to the performance obligations in the contract; and (v) recognize revenue at a point in time, or over time, as it satisfies a performance obligation. The Company
only applies the five-step model to contracts when it is probable that it will collect the consideration it is entitled to in exchange for the goods or services it transfers to the
customer. At contract inception, once the contract is determined to be within the scope of ASC 606, the Company assesses the goods or services promised within each contract,
determines those that are performance obligations and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the amount of the
transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied.

F-10

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
As  part  of  the  accounting  for  these  arrangements,  the  Company  must  use  significant  judgment  to  determine:  a)  the  number  of  performance  obligations  based  on  the
determination under step (ii) above; b) the transaction price under step (iii) above; and c) the stand-alone selling price for each performance obligation identified in the contract
for the allocation of transaction price in step (iv) above. The Company uses judgment to determine whether milestones or other variable consideration should be included in the
transaction  price  as  described  further  below.  The  transaction  price  is  allocated  to  each  performance  obligation  on  a  relative  stand-alone  selling  price  basis,  for  which  the
Company recognizes revenue as or when the performance obligations under the contract are satisfied. In developing the stand-alone price for a performance obligation, the
Company considers applicable market conditions and relevant entity-specific factors, including factors that were contemplated in negotiating the agreement with the customer
and estimated costs. The Company validates the stand-alone selling price for performance obligations by evaluating whether changes in the key assumptions used to determine
the stand-alone selling prices will have a significant effect on the allocation of transaction price between multiple performance obligations. The Company recognizes a contract
asset  or  liability  for  the  difference  between  the  Company’s  performance  (i.e.,  the  goods  or  services  transferred  to  the  customer)  and  the  customer’s  performance  (i.e.,  the
consideration paid by, and unconditionally due from, the customer).

The  terms  of  the  Company’s  license  agreements  may  include  delivery  of  an  IP  license  to  a  collaboration  partner.  The  Company  may  be  compensated  under  license
arrangements through a combination of non-refundable upfront receipts, development and regulatory objective receipts and royalty receipts on future product sales by partners.
The Company anticipates recognizing non-refundable upfront license payments and development and regulatory milestone payments received by the Company in license and
collaboration  arrangements  that  include  future  obligations,  such  as  supply  obligations,  ratably  over  the  Company’s  expected  performance  period  under  each  respective
arrangement.  The  Company  makes  its  best  estimate  of  the  period  over  which  the  Company  expects  to  fulfill  the  Company’s  performance  obligations,  which  may  include
technology transfer assistance, research activities, clinical development activities, and manufacturing activities from development through the commercialization of the product.
Given the uncertainties of these collaboration arrangements, significant judgment is required to determine the duration of the performance period.

When  the  Company  enters  into  an  arrangement  to  sublicense  some  of  its  patents,  it  will  consider  the  performance  obligations  to  determine  if  there  is  a  single  element  or
multiple elements to the arrangement as it determines the proper method and timing of revenue recognition. The Company considers the terms of the license or sublicense for
such elements as price adjustments or refund clauses in addition to any performance obligations for it to provide such as services, patent defense costs, technology support,
marketing  or  sales  assistance  or  any  other  elements  to  the  arrangement  that  could  constitute  an  additional  deliverable  to  it  that  could  change  the  timing  of  the  revenue
recognition. Non-refundable upfront license and sublicense fees received, whereby continued performance or future obligations are considered inconsequential or perfunctory
to the relevant licensed technology, are recognized as revenue upon delivery of the technology.

The Company expects to recognize royalty revenue in the period of sale, based on the underlying contract terms, provided that the reported sales are reliably measurable, the
Company has no remaining performance obligations, and all other revenue recognition criteria are met. The Company anticipates reimbursements for research and development
services  completed  by  the  Company  related  to  the  collaboration  agreements  to  be  recognized  in  operations  as  revenue  on  a  gross  basis.  The  Company’s  license  and
collaboration  agreements  with  certain  collaboration  partners  could  also  provide  for  future  milestone  receipts  to  the  Company  based  solely  upon  the  performance  of  the
respective collaboration partner in consideration of deadline extensions or upon the achievement of specified sales volumes of approved drugs. For such receipts, the Company
expects to recognize the receipts as revenue when earned under the applicable contract terms on a performance basis or ratably over the term of the agreement. These receipts
may also be recognized as revenue when continued performance or future obligations by the Company are considered inconsequential or perfunctory.

See also Note 4, Significant Strategic Collaborations.

Research and Development Expenses

Research and development expenses consist of expenses incurred in performing research and development activities, including compensation and benefits, facilities expenses,
overhead  expenses,  pre-clinical  development,  clinical  trial  and  related  clinical  manufacturing  expenses,  fees  paid  to  contract  research  organizations  (“CROs”)  and  contract
manufacturing organizations and other outside expenses. The Company expenses research and development costs as incurred. The Company expenses upfront, non-refundable
payments  made  for  research  and  development  services  as  obligations  are  incurred.  The  value  ascribed  to  intangible  assets  acquired  but  which  have  not  met  capitalization
criteria is expensed as research and development at the time of acquisition.

F-11

 
 
   
 
 
  
 
 
  
 
 
 
 
 
The Company is required to estimate accrued research and development expenses at each reporting period. This process involves reviewing open contracts and purchase orders,
communicating  with  Company  personnel  to  identify  services  that  have  been  performed  on  its  behalf  and  estimating  the  level  of  service  performed  and  the  associated  cost
incurred for the service when the Company has not yet been invoiced or otherwise notified of actual costs. The majority of the Company’s service providers invoice in arrears
for services performed, on a pre-determined schedule or when contractual milestones are met. However, some require advanced payments. The Company makes estimates of
accrued  expenses  as  of  each  balance  sheet  date  in  the  financial  statements  based  on  facts  and  circumstances  known  at  that  time.  The  Company  periodically  confirms  the
accuracy of the estimates with the service providers and makes adjustments, if necessary. Examples of estimated accrued research and development expenses include fees paid
to:

·
·
·
·

Collaborative partners performing research and development and pre-clinical activities;
Program managers in connection with overall program management of clinical trials;
CROs in connection with clinical trials; and
Investigative sites in connection with clinical trials.

The Company bases its expenses related to research and development, pre-clinical activities and clinical trials on its estimates of the services received and efforts expended
pursuant to quotes and contracts with multiple research institutions and CROs that conduct and manage clinical trials on the Company’s 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 vendors will
exceed the level of services provided and result in a prepayment of the expense. In accruing service fees, the Company estimates 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 the estimate, the Company
adjusts the accrual or prepaid accordingly. Although it does not expect its estimates to be materially different from amounts actually incurred, the Company’s understanding of
the status and timing of services performed relative to the actual status and timing of services performed may vary and may result in reporting amounts that are too high or too
low in any particular period. To date, there have not been any material adjustments to the Company’s prior estimates of accrued research and development expenses. As of each
of December 31, 2021 and 2020, the Company has recorded accrued program expense of approximately $0.2 million and $0.1 million as a component of accrued expenses as of
December 31, 2021 and 2020, respectively. In addition, the Company has recorded approximately $0.3 million and $0.2 million of prepayments as a component of prepaid
expenses and other current assets as of December 31, 2021 and 2020, respectively.

Share-based Expense

The Company grants share-based payments in the form of options and restricted stock units (“RSUs”) to employees and non-employees, Joint Share Ownership Plan (“JSOP”)
awards to employees and agreements to issue common stock in exchange for services provided by non-employees.

Share-based expense is based on the estimated fair value of the option or calculated using the Black-Scholes option pricing model. Determining the appropriate fair value model
and related assumptions requires judgment, including estimating share price volatility and expected terms of the awards. The expected volatility rates are estimated based on the
historical volatility of the Company. To the extent Company data is not available for the full expected term of the awards the Company uses a weighted-average of the historical
volatility of the Company and of a peer group of comparable publicly traded companies over the expected term of the option. The expected term represents the time that options
are expected to be outstanding. The Company accounts for forfeitures as they occur and not at the time of grant. The Company has not paid dividends and does not anticipate
paying  cash  dividends  in  the  foreseeable  future  and,  accordingly,  uses  an  expected  dividend  yield  of  zero.  The  risk-free  interest  rate  is  based  on  the  rate  of  U.S.  Treasury
securities  with  maturities  consistent  with  the  estimated  expected  term  of  the  awards.  Upon  exercise,  stock  options  are  redeemed  for  newly  issued  shares  of  common  stock.
RSUs are redeemed for newly issued shares of common stock as the vesting and settlement provisions of the grant are met.

F-12

 
 
 
 
 
 
  
  
 
 
 
 
 
 
 
 
For employee options that vest based solely on service conditions, the fair value measurement date is generally on the date of grant and the related compensation expense is
recognized  on  a  straight-line  basis  over  the  requisite  vesting  period  of  the  awards.  For  non-employee  options  issued  in  exchange  for  goods  or  services  consumed  in  the
Company’s operations, the fair value measurement date is the earlier of the date the performance of services is complete or the date the performance commitment has been
reached. The Company generally determines that the fair value of the stock options is more reliably measurable than the fair value of the services received. Compensation
expense related to stock options granted to non-employees is recognized on a straight-line basis over requisite vesting periods of the awards.  

Warrants

In connection with certain financing, consulting and collaboration arrangements, the Company has issued warrants to purchase shares of its common stock. The outstanding
warrants are standalone instruments that are not puttable or mandatorily redeemable by the holder and are classified as equity awards. The Company measures the fair value of
the awards using the Black-Scholes option pricing model as of the measurement date. Warrants issued to collaboration partners in conjunction with the issuance of common
stock are initially recorded at fair value as a reduction in additional paid-in capital of the common stock issued. All other warrants are recorded at fair value as expense on a
straight-line  basis  over  the  requisite  service  period  or  at  the  date  of  issuance  if  there  is  not  a  service  period  or  if  service  has  already  been  rendered.  Warrants  granted  in
connection with ongoing arrangements are more fully described in Note 10, Stockholders’ Equity.

Income Taxes

The  Company  accounts  for  income  taxes  using  the  asset  and  liability  method.  Under  this  method,  deferred  tax  assets  and  liabilities  are  determined  based  on  temporary
differences  resulting  from  the  different  treatment  of  items  for  tax  and  financial  reporting  purposes.  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  reverse.  Additionally,  the  Company  must  assess  the  likelihood  that
deferred tax assets will be recovered as deductions from future taxable income. The Company evaluates the recoverability of its deferred tax assets on a quarterly basis.

Basic and Diluted Net Loss per Share

The Company computes basic net loss per share by dividing net loss applicable to common stockholders by the weighted-average number of shares of the Company’s common
stock outstanding during the period. The Company computes diluted net loss per share after giving consideration to the dilutive effect of stock options that are outstanding
during the period, except where such non-participating securities would be anti-dilutive. The Company’s JSOP awards, prior to exercise, are considered treasury shares by the
Company and thus do not impact the Company’s net loss per share calculation. As of each of December 31, 2021 and 2020, there were approximately 27,000 JSOP awards
issued.

For the years ended December 31, 2021 and 2020, basic and diluted net loss per share are the same for each year due to the Company’s net loss position. Potentially dilutive,
non-participating securities have not been included in the calculations of diluted net loss per share, as their inclusion would be anti-dilutive. As of December 31, 2021 and
2020, approximately 0.5 million and 0.4 million potentially dilutive securities, respectively, were deemed anti-dilutive.

Segment Information

Operating segments are identified as components of an enterprise about which separate discrete financial information is available for evaluation by the chief operating decision
maker,  who  is  the  Company’s  Chief  Executive  Officer,  in  making  decisions  on  how  to  allocate  resources  and  assess  performance.  The  Company  views  its  operations  and
manages its business in one operating segment.

F-13

 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
Leases

The Company leases administrative facilities under operating leases. Lease agreements may include rent holidays, rent escalation clauses and tenant improvement allowances.
The Company accounts for leases in accordance with ASU 2016-02, Leases (Topic 842). ASU 2016-02 requires lessees to recognize a lease liability and a right-of-use asset for
all leases, with the exception of short-term leases, at the commencement date. See Note 13, Commitments and Contingencies for further information.

Acquisitions

The Company has a history of engaging in acquisition transactions that require the Company to evaluate whether the transaction meets the criteria of a business combination. If
the transaction does not meet the business combination requirements, the transaction is accounted for as an asset acquisition or recapitalization and no goodwill is recognized. If
the acquisition meets the definition of a business combination, the Company allocates the purchase price, including any contingent consideration, to the assets acquired and the
liabilities assumed at their estimated fair values as of the date of the acquisition with any excess of the purchase price paid over the estimated fair value of net assets acquired
recorded as goodwill. The fair value of the assets acquired and liabilities assumed is typically determined by using either estimates of replacement costs or discounted cash flow
valuation methods.

When determining the fair value of tangible assets acquired, the Company estimates the cost to replace the asset with a new asset, taking into consideration such factors as age,
condition  and  the  economic  useful  life  of  the  asset.  When  determining  the  fair  value  of  intangible  assets  acquired,  the  Company  uses  judgment  to  estimate  the  applicable
discount rate, growth rates and the timing and amount of future cash flows. The fair value of assets acquired and liabilities assumed is typically determined using the assistance
of an independent third-party specialist.

Business combination related costs are expensed in the period in which the costs are incurred. Asset acquisition related costs are generally capitalized as a component of cost of
the assets acquired.

Recent Accounting Standards

In  June  2016,  the  FASB  issued  ASU  2016-13,  Financial  Instruments  -  Credit  Losses  (Topic  326):  Measurement  of  Credit  Losses  on  Financial  Instruments.  The  guidance
modifies  the  measurement  and  recognition  of  credit  losses  for  most  financial  assets  and  certain  other  instruments.  The  amendment  updates  the  guidance  for  measuring  and
recording  credit  losses  on  financial  assets  measured  at  amortized  cost  by  replacing  the  “incurred  loss”  model  with  an  “expected  loss”  model.  This  may  result  in  earlier
recognition of allowance for losses. ASU 2016-13 is effective for smaller reporting public entities for fiscal years beginning after December 15, 2022, but early adoption is
permitted. We are currently evaluating the impact of adoption, but we do not anticipate that it will have a material effect on our consolidated financial statements.

In May 2021, the FASB issued ASU 2021-04, Issuers Accounting for Certain Modifications or Exchanges of Freestanding Equity-Classified Written Call Options – Earnings
per  Share  (Topic  260),  Debt  Modifications  and  Extinguishments  (Subtopic  470-50),  Compensation  –  Stock  Compensation  (Topic  718),  and  Derivatives  and  Hedging  –
Contracts in Entity’s Own Equity (Topic 815-40). The guidance clarifies, among other things, an issuer’s accounting for modifications or exchanges of freestanding equity-
classified  written  call  options  that  remain  equity  classified  after  modification  or  exchange  that  are  not  within  the  scope  of  another  Topic.  The  revised  guidance  requires  an
exchange of the original instrument for a new instrument and recognizes the effect on the basis of the substance of the transaction in the same manner as if cash had been paid
as consideration. ASU 2021-04 is effective for fiscal years beginning after December 15, 2021 but early adoption is permitted. The new guidance was adopted on January 1,
2021, and it did not have a material effect on the Company’s consolidated financial statements.

F-14

 
 
 
  
 
  
 
 
 
 
 
 
 
 
 
 
4.

Significant Strategic Collaborations

Takeda Pharmaceutical Co. Ltd. ( together with its wholly-owned subsidiaries, “Takeda”)

The  Company  was  a  party  to  an  exclusive  research,  development  and  license  agreement  with  Takeda  related  to  the  development  of  a  novel  series  of  polysialylated  blood
coagulation factors. This collaboration with Takeda relied on the Company’s PolyXen technology to conjugate PSA with therapeutic blood-clotting factors, with the goal of
improving the pharmacokinetic profile and extending the active half-life of these biologic molecules. The agreement granted Takeda a worldwide, exclusive, royalty-bearing
license  to  the  Company’s  PSA  patented  and  proprietary  technology  in  combination  with  Takeda’s  proprietary  molecules  designed  for  the  treatment  of  blood  and  bleeding
disorders. There are no active projects under the exclusive research, development and license agreement, and the parties mutually terminated the agreement in August 2021.

In  October  2017,  the  Company  granted  to  Takeda  the  right  to  grant  a  non-exclusive  sublicense  to  certain  patents  related  to  the  Company’s  PolyXen  technology  that  were
previously exclusively licensed to Takeda in connection with products related to the treatment of blood and bleeding disorders. Royalty payments of approximately $1.2 million
and $0.4 million were recorded as revenue by the Company during the years ended December 31, 2021 and 2020, respectively, and are based on single digit royalties on net
sales of certain covered products. The Company’s policy is to recognize royalty payments as revenue when they are reliably measurable, which is upon receipt of reports from
Takeda.  The  Company  receives  these  reports  in  the  quarter  subsequent  to  the  actual  sublicensee  sales.  At  the  time  the  revenue  was  received,  there  were  no  remaining
performance obligations and all other revenue recognition criteria were met. The termination of the exclusive research, development and license agreement had no impact on
the Company’s non-exclusive sublicense agreement and the royalties being generated.

Scripps Research

On May 15, 2020, the Company and Scripps Research entered into a Research Funding and Option Agreement (the “Scripps Agreement”), pursuant to which the Company has
agreed to provide Scripps Research an aggregate of up to $3.0 million to fund research relating to advancing the pre-clinical development of XCART. The research funding is
payable by the Company to Scripps Research on a quarterly basis in accordance with a negotiated budget, which provides for an initial payment of approximately $300,000 on
the date of the Scripps Agreement and subsequent quarterly payments of approximately $300,000 over a 27-month period. Under the Scripps Agreement, Scripps Research has
granted the Company a license within the Field (as defined in the Scripps Agreement) to any Patent Rights or Technology (as defined in the Scripps Agreement) under the
terms of that certain license agreement with Scripps Research, dated February 25, 2019, assigned to the Company on March 1, 2019. Additionally, the Company has the option
to  acquire  a  worldwide  exclusive  license  to  Scripps  Research’s  rights  in  the  Technology  or  Patent  Rights  not  already  licensed  to  the  Company,  as  well  as  a  non-exclusive,
royalty-free, non-transferrable license to make and use Scripps Research Technology (as defined in the Scripps Agreement) solely for the Company’s internal research purposes
during the performance of the research program contemplated by the Scripps Agreement. The Company has paid $2.1 million to Scripps Research under this agreement through
December 31, 2021. As of December 31, 2021, and December 31, 2020, approximately $0.2 million has been recognized as an advance payment under this agreement and is
included in prepaid expenses and other current assets.

PJSC Pharmsynthez

In November 2009, the Company entered into a collaborative research and development license agreement with Pharmsynthez (the “Pharmsynthez Arrangement”) pursuant to
which the Company granted an exclusive license to Pharmsynthez to develop, commercialize and market six product candidates based on the Company’s PolyXen and ImuXen
technology in certain territories. In exchange, Pharmsynthez granted an exclusive license to the Company to use any preclinical and clinical data developed by Pharmsynthez,
within the scope of the Pharmsynthez Arrangement, and to engage in further research, development and commercialization of drug candidates outside of certain territories at
the Company’s own expense.

F-15

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pharmsynthez directly, and indirectly through its wholly-owned subsidiary, SynBio, LLC (“SynBio”), had a share ownership in the Company of approximately 3.3% and 5.1%
of the total outstanding common stock as of December 31, 2021 and 2020, respectively. In addition to its common stock ownership, Pharmsynthez owns approximately 1.5
million shares of our outstanding Series B Preferred Stock (as defined in Note 10, Stockholders’ Equity), and all of our issued and outstanding Series A Preferred Stock (as
defined in Note 10, Stockholders’ Equity) through SynBio.

During  the  third  quarter  of  2019,  the  Company  entered  into  a  Sponsored  Research  Agreement  with  Pharmsynthez  (the  “SRA”)  related  to  experiments  identified  by  the
Company to support its efforts for initial tech transfer of the XCART methods to a future academic collaborator. Under the agreement, the Company made a $350,000 payment
to  Pharmsynthez  during  the  third  quarter  of  2019,  which  was  refundable  on  a  pro  rata  basis  if  the  project  is  terminated  prematurely  as  a  result  of  Pharmsynthez  failing  to
perform  the  work.  On  June  12,  2020,  the  Company  and  Pharmsynthez  entered  into  a  Master  Services  Agreement  (“MSA”)  to  advance  the  development  of  the  Company’s
XCART technology for B-cell malignancies. The MSA terminated and superseded the SRA. The Company expensed approximately $0.1 million and $0.2 million related to
work performed under these agreements during the years ended December 31, 2021 and 2020, respectively. There were no amounts recorded on the consolidated balance sheet
as of December 31, 2021. As of December 31, 2020, approximately $25,000 was recorded as an advanced payment and included in prepaid expenses and other assets on the
consolidated balance sheet.

Under the MSA, Pharmsynthez agreed to provide services pursuant to work orders agreed upon by the parties from time to time, which services include, but are not limited to,
acting as the Company’s primary contract research organization to assist in managing collaborations with multiple academic institutions in Russia and Belarus. The Company is
required to pay reasonable fees, expenses and pass-through costs incurred by Pharmsynthez in providing the services in accordance with a budget and payment terms set forth
in each work order. Additionally, in the event that a work order provides for milestone payments, the Company is required to make such payments to Pharmsynthez, or third
party service providers designated by Pharmsynthez, in accordance with the terms set forth in the work order, which milestone payments may be made, at the sole discretion of
the Company, in cash or shares of the Company’s common stock.

The Company and Pharmsynthez executed a work order on June 12, 2020 (the “Work Order”) under the MSA pursuant to which Pharmsynthez agreed to conduct a Stage 1
study of the Company’s XCART technology under the research program as set forth in the Work Order. The activities to be performed under the Work Order were expected to
take approximately 20 months unless earlier terminated in accordance with the MSA. Under the terms of the Work Order, the Company paid Pharmsynthez $51,000 as an initial
payment for trial startup costs, which amount was credited against the amounts paid under the SRA. The Work Order provided for additional pass-through costs to be invoiced
by Pharmsynthez upon execution of contracts with third party sites, which were to be further credited against the SRA. Through December 31, 2021, all costs incurred under
the MSA were credited against the amounts paid under the SRA. Additionally, the Work Order provided for milestone payments of up to an aggregate of $1,050,000, or, in the
Company’s sole discretion, up to an aggregate of 1,000,000 shares of the Company’s common stock, to be paid or issued, as applicable, by the Company upon achievement of
milestones  associated  with  completion  of  early  stages  of  the  research  program  as  set  forth  in  the  Work  Order.  As  of  December  31,  2021,  approximately  $0.1  million  of
milestone payments had been made and no further milestone payments are expected.

On October 12, 2021, the Company entered into Amendment Number One to the MSA (the “MSA Amendment”) with Pharmsynthez to, among other things, terminate all work
orders  under  the  MSA.  As  a  result,  no  further  services  were  to  be  performed  under  the  Work  Order  and  any  additional  services  will  be  covered  by  new  work  orders.  In
exchange, the Company entered into a new work order (the “Second Work Order”) simultaneously with the MSA Amendment. Under the terms of the Second Work Order,
Pharmsynthez shall provide certain enumerated services to support the Company’s development of its XCART technology upon the written request of the Company, which
work may be requested by the Company from time to time.

Pursuant  to  the  MSA  Amendment  and  Second  Work  Order,  upon  entry  into  the  Second  Work  Order,  the  Company  made  a  one-time  $40,000 payment to Pharmsynthez, of
which  $21,000  was  a  one-time  payment  in  full  for  all  money  and  other  compensation  owed  by  the  Company  under  the  Work  Order,  and  the  remaining  $19,000  will  be
creditable against any out of pocket costs and expenses incurred by Pharmsynthez on behalf of the Company pursuant to any new work orders initiated after the effective date
of the MSA Amendment, including the Second Work Order.

F-16

 
 
  
 
 
 
 
 
 
 
 
 
 
In August 2011, SynBio, a wholly-owned subsidiary of Pharmsynthez, and the Company entered into a stock subscription and collaborative development agreement (the “Co-
Development Agreement”). The Company granted an exclusive license to SynBio to develop, market and commercialize certain drug candidates utilizing molecules based on
SynBio’s technology and the Company’s proprietary technologies (PolyXen, OncoHist and ImuXen) in Russia and CIS, collectively referred to herein as the SynBio Market. In
return,  SynBio  granted  an  exclusive  license  to  the  Company  to  use  the  preclinical  and  clinical  data  generated  by  SynBio  in  certain  agreed  products  and  to  engage  in  the
development of commercial candidates in any territory outside of the SynBio Market.

SynBio and the Company are each responsible for funding and conducting their own research and clinical development activities. There are no milestone or other research-
related payments provided for under the Co-Development Agreement other than fees for the supply of each company’s respective research supplies based on their technology,
which, when provided, are due to mutual convenience and not representative of an ongoing or recurring obligation to supply research supplies. Serum Institute of India Limited
(“Serum Institute”) has agreed to directly provide the research supplies to SynBio, where the Company is not liable for any failure to supply the research supplies as a result of
any act or fault of Serum Institute. Upon successful commercialization of any resultant products, the Company is entitled to receive a 10% royalty on sales in certain territories
and pay royalties to SynBio for sales outside those certain territories, subject to the terms of the Co-Development Agreement. Effective December 20, 2021, SynBio assigned
the Co-Development Agreement to Pharmsynthez.

Through  December  31,  2021,  Pharmsynthez  continued  to  engage  in  research  and  development  activities  with  no  resultant  commercial  products.  In  December  2020,
Pharmsynthez  reported  positive  data  from  its  Phase  3  clinical  study  of  Epolong,  a  treatment  for  anemia  in  patients  with  chronic  kidney  disease  leveraging  the  Company’s
PolyXen technology. In February 2021, Pharmsynthez reported in a press release that it had started the registration phase of Epolong by filing a registration dossier to obtain
approval in Russia. Pharmsynthez had reported in its press release that it expected that the Russian stage of registration activities would be completed in 2021 and that it would
be able to start production of the product as early as the first quarter of 2022. Pharmsynthez has not informed the Company that the registration process has been completed or
that production of the product has commenced. The Company did not recognize revenue in connection with the Co-Development Agreement during the years ended December
31, 2021 and 2020.

Serum Institute of India Limited

In August 2011, the Company entered into a collaborative research and development agreement with Serum Institute providing Serum Institute an exclusive license to use the
Company’s  PolyXen  technology  to  research  and  develop  one  potential  commercial  product,  Polysialylated  Erythropoietin.  Serum  Institute  is  responsible  for  conducting  all
preclinical  and  clinical  trials  required  to  achieve  regulatory  approvals  within  the  certain  predetermined  territories  at  Serum  Institute’s  own  expense.  Royalty  payments  are
payable by Serum Institute to the Company for net sales to certain customers in the Serum Institute sales territory. Royalty payments are payable by the Company to Serum
Institute for net sales received by the Company over the term of the license. There are no milestone or other research-related payments due under the collaborative arrangement.

Through December 31, 2021, no commercial products were developed and no royalty revenue or expense was recognized by the Company related to the arrangement, Serum
Institute had a share ownership of less than 1% of the total outstanding common stock of the Company as of December 31, 2021 and 2020, respectively.

5.

Property and Equipment, net

Property and equipment, net consists of the following: 

Office and computer equipment
Furniture and fixtures
Property and equipment – at cost
Less accumulated depreciation
Property and equipment, net

December 31,
2021

December 31,
2020

$

$

35,505   
14,738   
50,243   
(50,243)  
–   

$

$

42,289 
14,738 
57,027 
(57,027)
– 

There was no depreciation expense for the year ended December 31, 2021. Depreciation expense was approximately $1,000 for the year ended December 31, 2020.

F-17

 
 
 
   
 
 
 
 
 
 
 
    
 
  
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
6.

Indefinite-Lived Intangible Assets and Other Long-Term Assets

Indefinite-Lived Intangible Assets

The  Company’s  indefinite-lived  intangible  asset,  OncoHist,  is  IPR&D  relating  to  the  Company’s  business  combination  with  SymbioTec  in  2012.  IPR&D  is  tested  for
impairment whenever events or changes in circumstances indicate that the carrying value may not be recoverable, although it is to be tested at least annually until the project is
completed or abandoned. The Company completed an impairment analysis of the IPR&D during 2020 and concluded that the following factors indicated that the IPR&D was
impaired: a decision by management to delay indefinitely any further development of the IPR&D and to not support the underlying intellectual property; the failure to sell or
license the IPR&D to a third party; and the reduction in market capitalization. During the year ended December 31, 2020, the Company recorded an asset impairment charge of
$9.2 million,  which  is  presented  within  operating  costs  and  expenses  in  the  consolidated  statements  of  comprehensive  loss,  representing  the  excess  of  the  IPR&D  asset’s
carrying value over its estimated fair value. A reconciliation of the change in the carrying value of Indefinite-Lived Intangible Assets is as follows:  

Balance as of January 1, 2020
Impairment
Balance as of December 31, 2020

$

$

9,243,128 
(9,243,128)
– 

Other Long-Term Assets

In  2016,  the  Company  entered  into  an  agreement  with  Serum  Institute  for  the  prepayment  of  clinical  PSA  supply  in  exchange  for  the  Company’s  common  stock.  As  of
December 31, 2021 and 2020, the Company has classified $0.7 million of prepaid clinical supply as long-term as it does not anticipate utilizing the majority of the PSA supply
within the next 12 months. No clinical supply was utilized during the years ended December 31, 2021 and 2020.

See also Note 14, Related Party Transactions for a description of the Pharmsynthez Loan.

7.

Accrued Expenses

Accrued expenses consist of the following: 

Accrued payroll and benefits
Accrued professional fees
Accrued research costs
Other

8.

Fair Value Measurements

December 31,
2021

December 31,
2020

$

$

436,207   
378,985   
177,240   
39,158   
1,031,590   

$

$

126,615 
375,694 
62,607 
9,134 
574,050 

ASC Topic 820, Fair Value Measurement, defines fair value as the price that would be received to sell an asset or be paid to transfer a liability in an orderly transaction between
market participants at the measurement date. The Company applies the following fair value hierarchy, which prioritizes the inputs used to measure fair value into three levels
and bases the categorization within the hierarchy upon the lowest level of input that is available and significant to the fair value measurement. Level 1 inputs are quoted prices
in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date. Level 2 utilizes quoted market prices in markets that
are not active, broker or dealer quotations, or alternative pricing sources with reasonable levels of price transparency. Level 3 inputs are unobservable inputs for the asset or
liability in which there is little, if any, market activity for the asset or liability at the measurement date. As of December 31, 2021 and December 31, 2020, the carrying amounts
of the Company’s financial instruments approximate fair value due to their short maturities. There were no financial instruments classified as Level 3 in the fair value hierarchy
during the years ended December 30, 2021 and 2020.

F-18

 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
9.

Income Taxes

Deferred  tax  assets  and  liabilities  are  determined  based  on  temporary  differences  resulting  from  the  different  treatment  of  items  for  tax  and  financial  reporting  purposes.
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
reverse. Additionally, the Company must assess the likelihood that deferred tax assets will be recovered as deductions from future taxable income. The Company has provided a
full valuation allowance on the Company’s deferred tax assets because the Company believes it is more likely than not that its deferred tax assets will not be realized. The
Company evaluates the recoverability of its deferred tax assets on a quarterly basis. There was no income tax provision (benefit) for the year ended December 31, 2021, as the
Company has incurred losses to date. During the year ended December 31, 2020, the Company recognized a deferred tax benefit representing the reversal of its deferred tax
liability related to the impairment of its IPR&D.

The components of loss before income taxes are as follows: 

Domestic (U.S.)
Foreign (U.K.)
Foreign (Germany)
Foreign (Switzerland)
Loss before income taxes

Year ended December 31,

2021

2020

(6,349,632)  
862,248   
(128,869)  
(28,926)  
(5,645,179)  

$

$

(4,368,330)
(61,867)
(9,357,256)
(24,531)
(13,811,984)

$

$

The reconciliation of income tax benefit at the U.S. corporation tax rate, being the rate applicable to the country of domicile of the Company to net income tax benefit, is as
follows: 

Federal
State
Change in valuation allowance
Permanent differences, net
Foreign rate differential
Share-based payments, net
Enhanced research and development tax credits
Rate change
Other items
Net benefit for income taxes

Year ended December 31,

2021

2020

$

$

(1,185,488)  
(376,463)  
1,839,716   
110,821   
(27,240)  
14,827   
(101,416)  
–   
(274,757)  
–   

$

$

(2,900,517)
(230,238)
3,089,617 
1,399 
(985,231)
22,267 
(56,564)
(2,015,683)
156,432 
(2,918,518)

F-19

 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
    
 
 
    
 
  
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Deferred tax assets and liabilities reflect the net tax effect of temporary differences between the carrying amount of assets and liabilities for financial reporting purposes and the
amounts used for income tax purposes. Significant components of the Company’s deferred tax assets are as follows: 

Deferred tax assets:

U.K. net operating loss carryforwards
U.K. capital loss carryforwards
U.S. federal net operating loss carryforwards
Switzerland net operating loss carryforwards
IPR&D
Share-based payments
Enhanced research and development tax credits
Germany net operating loss carryforwards
U.S. state net operating loss carryforwards
Other
Lease liability

Total deferred tax assets before valuation allowance
Valuation allowance for deferred tax assets

Net deferred tax assets

Deferred tax liabilities:

Right of use asset – leases
Total deferred tax liabilities

Net deferred liability

Year ended December 31,

2021

2020

$

$

$

11,361,647   
1,545,934   
5,709,292   
21,758   
6,537,654   
2,052,590   
1,519,074   
628,574   
1,730,756   
268,309   
7,388   
31,382,975   
(31,375,587)  
7,388   

(7,388)  
(7,388)  
–   

$

10,733,568 
1,550,659 
4,671,789 
72,614 
7,020,109 
1,961,112 
1,375,136 
636,378 
1,408,866 
214,010 
17,082 
29,661,323 
(29,644,241)
17,082 

(17,082)
(17,082)
– 

For the years ended December 31, 2021 and 2020, the Company had U.K. net operating loss carryforwards of approximately $59.8 million and $56.5 million, respectively, U.S.
federal net operating loss carryforwards of approximately $27.2 million and $22.2  million,  respectively,  U.S.  state  net  operating  loss  carryforwards  of  approximately  $27.4
million and $22.3 million, respectively, Germany net operating loss carryforwards of approximately $2.0 million and $2.0 million, respectively, and Switzerland net operating
loss carryforwards of approximately $0.3 million and $0.9 million, respectively. The U.K. and Germany net operating loss carryforwards can be carried forward indefinitely.
$13.8 million of the U.S. federal net operating loss carryforwards can be carried forward indefinitely, and the remaining U.S. federal and state net operating loss carryforwards
begin to expire in 2032. The Switzerland net operating loss carryforwards begin to expire in 2026.

The Company’s ability to use its operating loss carryforwards and tax credits generated in the U.S. to offset future taxable income is subject to restrictions under Section 382 of
the  U.S.  Internal  Revenue  Code  (the  “Code”).  These  restrictions  may  limit  the  future  use  of  the  operating  loss  carryforwards  and  tax  credits  if  certain  ownership  changes
described in the Code occur. Future changes in stock ownership may occur that would create further limitations on the Company’s use of the operating loss carryforwards and
tax credits. In such a situation, the Company may be required to pay income taxes, even though significant operating loss carryforwards and tax credits exist.

The Company’s ability to use its operating loss carryforwards and tax credits generated in the U.K. are subject to restrictions under U.K. tax legislation. These regulations may
limit the future use of operating loss carryforwards (i) if there is a change in ownership and a change in the nature or conduct of the business carried on by the Company, and
(ii) in certain circumstances where there is a change in the nature or conduct of the business only. In such cases the carryforwards would cease to be available to set against
future income.

F-20

 
 
 
 
    
 
  
 
 
 
 
 
   
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
  
  
  
 
 
 
 
 
 
The Company’s ability to use its operating loss carryforwards and tax credits generated in Germany and Switzerland are also subject to restrictions under German and Swiss tax
legislation. These regulations may limit the future use of operating loss carryforwards if there is a change in ownership. In such cases the carryforwards would cease to be
available to set against future income.

As of December 31, 2021 and 2020, the Company did not record any uncertain tax positions.

The Company files income tax returns in the U.S. federal tax jurisdiction, Massachusetts state tax jurisdiction, and certain foreign tax jurisdictions. The Company is subject to
examination  by  the  U.S.  federal,  state,  foreign,  and  local  income  tax  authorities  for  calendar  tax  years  through  2021  due  to  available  net  operating  loss  carryforwards  and
research  and  development  tax  credits  arising  in  those  years.  The  Company  has  not  been  notified  of  any  examinations  by  the  Internal  Revenue  Service  or  any  other  tax
authorities as of December 31, 2021. The Company has not recorded any interest or penalties for unrecognized tax benefits since its inception.

Potential 382 Limitation

The Company’s net operating loss and tax credit carryforwards are subject to review and possible adjustment by the Internal Revenue Service. The Company’s ability to utilize
its net operating loss (“NOL”) and research and development credit (“R&D”) carryforwards may be substantially limited due to ownership changes that may have occurred or
that could occur in the future, as required by Section 382 of the Code, as well as similar state provisions. These ownership changes may limit the amount of NOL and R&D
credit carryforwards that can be utilized annually to offset future taxable income and tax, respectively. In general, an ownership change, as defined in Section 382 of the Code,
results from a transaction or series of transactions over a three-year period resulting in an ownership change of more than 50% of the outstanding stock of a company by certain
stockholders or public groups.

The Company has not completed a study to assess whether one or more ownership changes have occurred since it became a loss corporation as defined in Section 382 of the
Code, but the Company believes that it is likely that an ownership change has occurred. If the Company has experienced an ownership change, utilization of the NOL and R&D
credit carryforwards would be subject to an annual limitation, which is determined by first multiplying the value of the Company’s common stock at the time of the ownership
change by the applicable long-term, tax-exempt rate, and then could be subject to additional adjustments, as required. Any such limitation may result in the expiration of a
portion of the NOL or R&D credit carryforwards before utilization. Until a study is completed, and any limitation known, no amounts are being considered as an uncertain tax
position or disclosed as an unrecognized tax benefit. Any carryforwards that expire prior to utilization as a result of such limitations will be removed from deferred tax assets
with a corresponding adjustment to the valuation allowance. Due to the existence of the valuation allowance, it is not expected that any potential limitation will have a material
impact on the Company’s operating results.

From time to time the Company may be assessed interest or penalties by major tax jurisdictions, namely the Commonwealth of Massachusetts. As of December 31, 2021, the
Company  had  no  material  unrecognized  tax  benefits  and  no  adjustments  to  liabilities  or  operations  were  required.  No  interest  and  penalties  have  been  recognized  by  the
Company to date.

10.

Stockholders’ Equity

Common Stock

Each share of the Company’s common stock entitles the holder to one vote on all matters submitted to a vote of the Company’s stockholders. Common stockholders are entitled
to dividends when and if declared by the Board of Directors. In the event of any voluntary or involuntary liquidation, dissolution or winding-up of the Company, the holders of
common stock are entitled to share ratably in the assets of the Company available for distribution.

F-21

 
 
  
 
 
 
  
 
  
 
 
 
 
 
 
 
 
At the Market (“ATM”) Offering

On  November  19,  2021,  the  Company  entered  into  an  ATM  Offering  Agreement  (the  “ATM  Agreement”)  with  H.C.  Wainwright  &  Co.,  LLC,  as  the  exclusive  sales  agent
(“Wainwright”), pursuant to which the Company may offer and sell, from time to time through Wainwright, shares of its common stock, par value $0.001 per share. The offer
and sale of the shares will be made pursuant to a shelf registration statement on Form S-3 (File No. 333-260201) and the related prospectus, filed with the SEC on October 12,
2021 and declared effective on October 22, 2021, and is currently limited to a number of shares of up to $4,000,000 of common stock pursuant to General Instruction I.B.6 of
Form S-3.

Pursuant  to  the  ATM  Agreement,  Wainwright  may  sell  the  shares  in  sales  deemed  to  be  “at-the-market”  equity  offerings  as  defined  in  Rule  415  promulgated  under  the
Securities Act, including sales made directly on or through the Nasdaq Capital Market. If agreed to in a separate terms agreement, the Company may sell shares to Wainwright
as principal, at a purchase price agreed upon by Wainwright and the Company. Wainwright may also sell shares in privately negotiated transactions with the Company’s prior
approval. Sales of the shares through Wainwright, if any, will be made in amounts and at times to be determined by the Company from time to time, but the Company has no
obligation to sell any of the shares and either the Company or Wainwright may at any time suspend offers under the agreement or terminate the agreement. Actual sales will
depend on a variety of factors to be determined by the Company from time to time, including (among others) market conditions, the trading price of the Company’s common
stock  and  determinations  by  the  Company  of  the  appropriate  sources  of  funding  for  the  Company.  The  offer  and  sale  of  the  shares  pursuant  to  the  ATM  Agreement  will
terminate upon the earlier of (a) the issuance and sale of all of the shares subject to the ATM Agreement or (b) the termination of the ATM Agreement by Wainwright or the
Company pursuant to the terms thereof.

No shares were sold under the ATM Agreement during the year ended December 31, 2021. The Company incurred $0.1 million of costs associated with the ATM which have
been recorded within prepaid expenses and other current assets on the December 31, 2021 consolidated balance sheet.

Private Placement

On July 26, 2021, the Company entered into a securities purchase agreement in connection with a private placement pursuant to which the Company issued and sold in a private
placement priced at-the-market under Nasdaq rules, (i) 950,000 shares of the Company’s common stock, par value $0.001 per share (ii) warrants to purchase an aggregate of
4,629,630 shares of the Company’s common stock, with an exercise price of $3.30 per share (the “Series A Warrants”) which expire three and one half years from the earlier of
(a) the six month anniversary of the initial exercise date and (b) the date that the registration statement registering all of the warrant shares underlying the Series A Warrants is
declared effective, and (iii) pre-funded warrants to purchase up to 3,679,630 shares of the Company’s common stock, with an exercise price of $0.001 per share (the “Series
B Warrants”) with no expiration (the “Private Placement”), at a purchase price of $2.70 per one share and one Series A Warrant and $2.699 per one Series B Warrant and one
Series A Warrant. The Private Placement closed on July 28, 2021 resulting in gross proceeds from the Private Placement of approximately $12.5 million, before deducting
placement agent fees and offering expenses, and excluding the exercise of any such warrants. Net proceeds from the Private Placement were $11.5 million.

On  July  26,  2021,  in  connection  with  the  Private  Placement,  the  Company  entered  into  a  registration  rights  agreement  pursuant  to  which  the  Company  filed  a  registration
statement on Form S-3 to register for resale the shares, as well as the shares of the Company’s common stock issuable upon exercise of the Series A Warrants and the Series B
Warrants, which was declared effective on August 23, 2021.

The Series B Warrants were immediately exercisable at a price of $0.001 per share of common stock. The holders of the Series B Warrants did not have the right to exercise any
portion of the Series B Warrants if the holder (together with its affiliates) would beneficially own in excess of 4.99% of the number of shares of our common stock outstanding
immediately after giving effect to the exercise, as such percentage ownership was determined in accordance with the terms of the Series B Warrants. The holder, upon notice to
the Company, could increase or decrease the beneficial ownership limitation provisions, provided that the beneficial ownership limitation in no event exceeds 9.99% of the
number of shares of the common stock outstanding immediately after giving effect to the issuance of shares of common stock upon exercise of a warrant held by the holder.
Any increase in the beneficial ownership limitation would not be effective until the 61st day after notice is delivered to the Company. The Series B Warrants had an intrinsic
value of approximately $9.3 million. During the year ended December 31, 2021, all of the Series B Warrants to purchase 3,679,630 shares of common stock were exercised
resulting in $3,679 of net proceeds to the Company. As a result, no Series B Warrants were outstanding as of December 31, 2021.

F-22

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
The Series A Warrants are immediately exercisable at a price of $3.30 per share of common stock. The holders of the Series A Warrants will not have the right to exercise any
portion of the Series A Warrants if the holder (together with its affiliates) would beneficially own in excess of 4.99% of the number of shares of our common stock outstanding
immediately after giving effect to the exercise, as such percentage ownership is determined in accordance with the terms of the Series A Warrants. The holder, upon notice to
the  Company,  may  increase  or  decrease  the  beneficial  ownership  limitation  provisions,  provided  that  the  beneficial  ownership  limitation  in  no  event  exceeds  9.99%  of  the
number of shares of the common stock outstanding immediately after giving effect to the issuance of shares of common stock upon exercise of a warrant held by the holder.
Any increase in the beneficial ownership limitation will not be effective until the 61st day after notice is delivered to the Company. The Company evaluated the terms of the
warrants issued and determined that they should be classified as equity instruments. The grant date fair value of these warrants was estimated to be $1.98 per share, for a total
of approximately $9.2 million. The fair value of these warrants was estimated using a Black-Scholes model utilizing the following key valuation assumptions: the Company’s
stock price, a risk free rate of 0.49%, an expected life of 3.6 years and an expected volatility of 138.76%. No Series A Warrants were exercised during the year ended December
31, 2021.

Registered Direct Offering

On  December  10,  2020,  the  Company  entered  into  a  securities  purchase  agreement  with  certain  institutional  and  accredited  investors  named  therein,  pursuant  to  which  the
Company agreed to issue and sell, in a registered direct offering, 2,448,980 shares of the Company’s common stock, par value $0.001 per share, at an offering price of $2.45 per
share. The net proceeds to the Company from the 2020 offering were approximately $5.4 million, after deducting expenses of $0.6 million, including the placement agent’s fees
and related offering expenses. The shares were offered by the Company pursuant to a prospectus supplement to the Company’s effective shelf registration statement on Form S-
3 (Registration No. 333-227572), which was initially filed with the SEC on September 27, 2018, and was declared effective on October 12, 2018. The 2020 offering closed on
December 14, 2020. 

Authorized Share Increase

On December 4, 2020, shareholders of the Company voted to approve an amendment to the Company’s Articles of Incorporation to increase the authorized shares of common
stock to 50,000,000 shares (the “Authorized Share Increase”). The Company filed a Certificate of Amendment to the Company’s Articles of Incorporation with the Secretary of
the State of Nevada to effect the Authorized Share Increase as of December 4, 2020.

Series A Preferred Stock

The Company has designated 1,000,000 shares as Series A preferred stock with each share having a par value of $0.001 and stated value of $4.80 (the “Series A Preferred
Stock”). The following is a summary of the material terms of the Series A Preferred Stock.

Liquidation.    Upon any dissolution, liquidation or winding up, whether voluntary or involuntary, holders of Series A Preferred Stock will be entitled to receive distributions
out of the Company’s assets, of an amount equal to the stated value per share of Series A Preferred Stock (as adjusted for stock splits, combinations, reorganizations and the
like) plus any accrued and unpaid dividends thereon before any distributions shall be made on the common stock or any series of preferred stock ranked junior to the Series A
Preferred Stock.

Dividends.    Holders of the Series A Preferred Stock are entitled to receive a non-cumulative cash dividend at an annual rate of 5% of the stated value per share of Series A
Preferred Stock, when and if declared by the Company’s Board, out of the Company’s assets legally available therefor. No dividends or other distribution will be made on the
common stock or any series of preferred stock ranked junior to the Series A Preferred Stock unless the dividend on the Series A Preferred Stock has been paid current and a
reserve has been made for the next calendar year. The Company’s ability to pay dividends on Series A Preferred Stock is subject to restrictions in the Company’s Series B
Preferred Stock, which ranks senior to the Series A Preferred Stock in right of payment.

Conversion.    Series A Preferred Stock is convertible, at any time and from time to time at the option of the holder thereof, with a minimum of 61 days’ advance notice to the
Company, at a rate of twelve shares of Series A Preferred Stock to one share of common stock basis.

F-23

 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
Redemption.        Upon  30  days’  prior  written  notice,  the  Company  may  require  the  holder  of  any  Series  A  Preferred  Stock  to  convert  any  or  all  of  such  holder’s  Series  A
Preferred Stock to common stock at a rate of twelve shares of Series A Preferred Stock to one share of common stock basis.

The Series A Preferred Stock has additional terms covering stock dividends and splits, voting rights, fractional shares and fundamental transactions. As of December 31, 2021
and 2020, there were approximately 1.0 million shares of Series A Preferred Stock issued and outstanding which are convertible into 80,834 shares of common stock. There
were no Series A Preferred Stock conversions during the years ended December 31, 2021 and 2020.

Series B Preferred Stock

The  Company  has  designated  2,500,000  shares  as  Series  B  preferred  stock  with  each  share  having  a  stated  value  of  $4.00  per  share  (the  “Series  B  Preferred  Stock”). The
following is a summary of the material terms of the Company’s Series B Preferred Stock.

Liquidation.    Upon any dissolution, liquidation or winding up, whether voluntary or involuntary, holders of Series B Preferred Stock will be entitled to receive distributions
out of the Company’s assets of an amount equal to the stated value per share of Series B Preferred Stock (as adjusted for stock splits, combinations, reorganizations and the
like)  plus  any  accrued  and  unpaid  dividends  thereon  and  any  other  fees  or  liquidated  damages  then  due  and  owing  thereon  under  the  amended  and  restated  certificate  of
designation before any distributions shall be made on the common stock or any series of preferred stock ranked junior to the Series B Preferred Stock, which includes Series A
Preferred Stock. A fundamental transaction or change of control under the amended and restated certificate of designation shall constitute a liquidation for purposes of this
right. Xenetic will give each holder of Series B Preferred Stock written notice of any liquidation at least 30 days before any meeting of stockholders to approve such liquidation
or at least 45 days before the date of such liquidation if no meeting is to be held.

Dividends.    Subject to any preferential rights of any outstanding series of preferred stock created by the Company’s Board from time to time, the holders of shares of the
Company’s Series B Preferred Stock will be entitled to such cash dividends, non-cumulative, as may be declared from time to time by the Company’s Board on shares of the
Company’s common stock (on an as-converted basis) from funds available therefore. The Company shall not directly or indirectly pay or declare any dividend or make any
distribution  upon,  nor  shall  any  distribution  be  made  in  respect  of,  any  junior  securities,  including  Series  A  Preferred  Stock,  as  long  as  any  dividends  due  on  the  Series  B
Preferred Stock remain unpaid, nor shall any monies be set aside for or applied to the purchase or redemption of any junior securities or shares pari passu with the Series B
Preferred Stock.

Conversion.     Series B Preferred Stock is convertible, at any time and from time to time at the option of the holder thereof, at a rate of one preferred share to approximately
0.33 common share basis, subject to an issuable maximum and the adjustments described below. There were no Series B Preferred Stock conversions during the years ended
December 31, 2021 and 2020.

Subsequent  Equity  Sales.        The  Series  B  Preferred  Stock  has  ratchet  price  based  anti-dilution  protection,  subject  to  customary  carve  outs,  in  the  event  of  a  down-round
financing at a price per share below the stated value of the Series B Preferred Stock. There is no bifurcation of the embedded conversion option being clearly and closely related
to the host instrument.

The Series B Preferred Stock has additional terms covering stock dividends and splits, voting rights, fractional shares and fundamental transactions. As of December 31, 2021
and  2020,  there  were  approximately  1.8  million  shares  of  Series  B  Preferred  Stock  issued  and  outstanding  which  are  convertible  into  approximately  0.6  million  shares  of
common stock in each year, respectively, which represents the issuable maximum that can be issued upon the conversion of the currently outstanding Series B Preferred Stock.

F-24

 
 
 
 
 
 
 
  
 
   
 
 
 
 
 
 
Warrants Related to Collaboration and Consulting Agreements

In connection with certain of the Company’s collaboration agreements and consulting arrangements, the Company had issued warrants to purchase shares of common stock as
payment for services. No collaboration warrants were outstanding as of December 31, 2021. As of December 31, 2020, collaboration warrants to purchase 30,307 shares of
common  stock  were  outstanding,  respectively.  The  fair  value  of  these  warrants  was  determined  at  each  issuance  date  using  the  Black-Scholes  option  pricing  model.  The
warrants were subject to re-measurement at each reporting period until the measurement date was reached. Expense was recognized on a straight-line basis over the expected
service period or at the date of issuance if there is not a service period. The Company did not recognize warrant expense related to collaboration agreements during the years
ended  December  31,  2021  and  2020.  During  the  years  ended  December  31,  2021  and  2020,  collaboration  warrants  to  purchase  30,307  shares  and  2,015  shares  expired,
respectively. No collaboration or consulting service warrants were granted or exercised during the years ended December 31, 2021 and 2020.

Warrants Related to Financing Arrangements

In addition to the Series A Warrants issued in connection with the July 2021 Private Placement discussed above, warrants to purchase approximately 31,000 and 0.4 million
shares of the Company’s common stock related to financing arrangements were outstanding as of December 31, 2021 and 2020, respectively, as described below.

Publicly  traded  warrants  to  purchase  approximately  23,000  and  29,000  shares  of  common  stock  were  outstanding  as  of  December  31,  2021  and  2020,  respectively.  These
warrants have an exercise price of $13.00 per share and expire on July 17, 2024. The warrants trade on NASDAQ under the symbol “XBIOW.” The warrants also provide that
if the weighted-average price of common stock on any trading day on or after 30 days after issuance is lower than the then-applicable exercise price per share, each warrant
may be exercised, at the option of the holder, on a cashless basis for one share of common stock. Warrants to purchase approximately 6,000 shares and 0.2 million shares of
common stock were exercised on a cashless, one-for-one basis during the years ended December 31, 2021 and 2020, respectively. None of these warrants were forfeited during
the years ended December 31, 2021 and 2020.

Warrants to purchase approximately 8,000 shares of the Company’s common stock were outstanding as of December 31, 2021 and 2020. These warrants have an exercise price
of $2.91 per share and expire on July 3, 2026. None of these warrants were exercised or forfeited during the years ended December 31, 2021 and 2020.

Warrants to purchase approximately 129,000 shares of the Company’s common stock at an exercise price of $27.00 per share were outstanding as of December 31, 2020. These
warrants were exercisable beginning on September 8, 2019 and expire on September 8, 2026. On November 15, 2021, the Company entered into a letter agreement with the
holders  of  these  warrants  to  exchange  such  warrants  for  an  aggregate  of  approximately  52,000  shares  of  the  Company’s  common  stock.  The  Company  recorded  a  gain  of
approximately $41,000 as a result of this exchange as the fair value of the warrants immediately before the exchange was more than the fair value of the shares issued in the
exchange. As a result, all of these warrants were cancelled and none were outstanding as of December 31, 2021.

In addition to the financing warrants discussed above, the Company had additional outstanding debt and equity financing warrants to purchase an aggregate of approximately
0.2 million shares of common stock as of December 31, 2020. All of these debt and equity financing warrants expired unexercised during the year ended December 31, 2021.
As a result, none of these debt and equity warrants were outstanding as of December 31, 2021.

11.

Share-Based Expense

Total share-based expense related to stock options, RSUs and common stock awards was approximately $0.4 million and $0.5 million for the years ended December 31, 2021
and 2020, respectively. Share-based expense is classified in the consolidated statements of comprehensive loss as follows: 

Research and development expenses
General and administrative expenses

Year Ended December 31,

2021

2020

$

$

68,208   
342,229   
410,437   

$

$

49,190 
419,724 
468,914 

F-25

 
 
 
 
 
 
 
 
  
 
 
 
 
    
 
  
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
Stock Options

The Company grants stock option awards and RSUs to employees and non-employees with varying vesting terms under the Xenetic Biosciences, Inc. Amended and Restated
Equity Incentive Plan (“Stock Plan”). The Company measures the fair value of stock option awards using the Black-Scholes option pricing model, which uses the assumptions
noted in the tables below, including the risk-free interest rate, expected term, share price volatility, dividend yield and forfeiture rate. The risk-free interest rate is based upon the
U.S. Treasury yield curve in effect at the time of grant, with a term that approximates the expected life of the option. For stock options issued in 2021 and 2020 that qualify as
“plain vanilla” stock options, the expected term is based on the simplified method. The Company has a limited history of stock option exercises, which does not provide a
reasonable basis for the Company to estimate the expected term of employee and non-employee stock options. For all other stock options, the Company estimates the expected
life  using  judgment  based  on  the  anticipated  research  and  development  milestones  of  the  Company’s  clinical  projects  and  behavior  of  the  Company’s  employees  and  non-
employees.  The  expected  life  of  non-employee  options  is  the  contractual  life  of  the  option.  The  expected  volatility  rates  are  estimated  based  on  the  actual  volatility  of  the
Company. To the extent Company data is not available for the full expected term of the awards the Company uses a price volatility based on a blended rate of the Company’s
historical volatility with that of comparable publicly traded companies with drug candidates in similar therapeutic areas and stages of nonclinical and clinical development to
the Company’s drug candidates. The Company has applied an expected dividend yield of 0% as the Company has not historically declared a dividend and does not anticipate
declaring a dividend during the expected life of the options. The Company accounts for forfeitures as they occur.

Employee Stock Options

During the years ended December 31, 2021 and 2020, 325,000 and 125,000 total stock options to purchase shares of common stock were granted by the Company, respectively.
The weighted average grant date fair value per option was $1.93 and $0.95, respectively. No stock options were exercised and none expired during the years ended December
31, 2021 and 2020.

During the years ended December 31, 2021 and 2020, 258,315 and 271,515 total stock options vested, respectively, with total fair values of approximately $0.3 million and
$0.8 million, respectively. As of December 31, 2021, there was approximately $0.8 million of unrecognized share-based payments related to employee stock options that are
expected to vest. The Company expects to recognize this expense over a weighted-average period of approximately 1.8 years.

Key assumptions used in the Black-Scholes option pricing model for options granted to employees during the years ending December 31, 2021 and 2020 are as follows: 

Weighted-average expected dividend yield (%)
Weighted-average expected volatility (%)
Weighted-average risk-free interest rate (%)
Weighted-average expected life of option (years)
Weighted-average exercise price ($)

Year Ended December 31,

2021

2020

–   
132.64   
1.16   
5.73   
2.15   

– 
127.87 
0.49 
5.50 
1.10 

F-26

 
 
 
  
 
  
   
 
 
    
 
  
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
The following is a summary of employee stock option activity for the years ended December 31, 2021 and 2020: 

Number of
shares

Weighted-
average
exercise 
price

Weighted-
average
remaining
life 
(years)

Outstanding as of January 1, 2020
Granted
Expired
Outstanding as of December 31, 2020
Granted
Expired
Outstanding as of December 31, 2021

Vested or expected to vest as of December 31, 2021

Exercisable as of December 31, 2020
Exercisable as of December 31, 2021

662,059 
125,000 
(23,337)  
763,722 
325,000 
– 
1,088,722 

1,088,722 

372,042 
630,357 

$

$

$

$
$

10.88   
1.10   
52.55   
8.01   
2.15   
–   
6.26   

6.26   

15.12   
9.42   

Aggregate
intrinsic
value

9.34   

$

66,125 

8.68   

$

498,625 

8.22   

8.22   

8.09   
7.63   

$

$

$
$

23,750 

23,750 

186,449 
23,750 

A summary of the status of the Company’s non-vested employee stock option shares as of December 31, 2021, and the changes during the year ended December 31, 2021, is as
follows: 

Balance as of January 1, 2021
Granted
Forfeited
Vested
Balance as of December 31, 2021

Restricted Stock Units

Number of
shares

391,680   
325,000   
–   
(258,315)  
458,365   

$
$
$
$
$

Weighted-
average
grant date 
fair value

1.15 
1.93 
– 
1.11 
1.73 

There are 4,167 RSUs outstanding as of December 31, 2021 and 2020, respectively. The RSUs vested annually over a 3-year period and had a grant date fair value of $25.37
per share. No RSUs vested during the year ended December 31, 2021 as all RSUs were fully vested. During the year ended December 31, 2020, 1,389 RSUs vested. No RSUs
were granted or expired during the years ended December 31, 2021 and 2020.

Non-Employee Stock Options

Share-based expense related to stock options granted to non-employees is recognized as the services are rendered on a straight-line basis. The Company determined that the fair
value of the stock options is more reliably measurable than the fair value of the services received. No stock options to purchase shares of common stock were granted by the
Company to non-employees during the years ended December 31, 2021 and 2020. No non-employee stock options were exercised during the years ended December 31, 2021
and 2020.

F-27

 
 
 
 
  
 
 
    
 
    
 
  
 
 
 
 
   
   
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
  
 
 
    
 
    
 
  
 
 
 
 
 
 
 
  
 
 
    
 
    
 
  
 
 
 
 
 
 
 
 
  
 
 
    
 
  
 
 
   
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
No non-employee stock options vested during the year ended December 31, 2021. During the year ended December 31, 2020, 15,500 total stock options vested, with total fair
values of approximately $15,000. The Company did not recognize any compensation expense related to non-employee options during the year ended December 31, 2021. For
the year ended December 31, 2020 the Company recognized approximately $400 of compensation expense related to non-employee options.

The following is a summary of non-employee stock option activity for the years ended December 31, 2021 and 2020: 

Outstanding as of January 1, 2020
Granted
Expired
Outstanding as of December 31, 2020
Granted
Expired
Outstanding as of December 31, 2021

Vested or expected to vest as of December 31, 2021

Exercisable as of December 31, 2020
Exercisable as of December 31, 2021

Number of
shares

Weighted-
average
exercise 
price

Weighted-
average
remaining 
life
(years)

20,560 
– 
(242)  

20,318 
– 
(243)  

20,075 

20,075 

20,318 
20,075 

$

$

$

$
$

17.09 
– 
225.72 
14.61 
– 
225.72 
12.06 

12.06 

14.61 
12.06 

Aggregate
intrinsic 
value

4.74   

$

– 

3.79   

$

14,880 

2.83   

2.83   

3.79   
2.83   

$

$

$
$

3,255 

3,255 

14,880 
3,255 

All of the Company’s non-employee stock option shares as of December 31, 2021 and 2020 were vested.

Common Stock Awards

The Company granted common stock awards to non-employees in exchange for services provided. The Company measures the fair value of these awards using the fair value of
the services provided or the fair value of the awards granted, whichever is more reliably measurable. The fair value measurement date of these awards is generally the date the
performance of services is complete. The fair value of the awards is recognized as services are rendered on a straight-line basis. A summary of the Company’s common stock
awards granted and issued during the years ended December 31, 2021 and 2020 are as follows: 

Balance as of January 1, 2020
Granted
Issued
Balance as of December 31, 2020
Granted
Issued
Balance as of December 31, 2021

Number of shares

8,594 
– 
(1,188)
7,406 
– 
(7,153)
253 

No common stock awards were granted during the years ended December 31, 2021 and 2020. The balance of the common stock awards has not been issued as of December 31,
2021.

F-28

 
 
   
 
 
  
 
 
  
 
 
    
 
  
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
    
 
  
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
  
 
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
  
 
 
  
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
Joint Share Ownership Plan

As of December 31, 2021 and 2020, there were approximately 27,000 JSOP awards issued and outstanding to two former senior executives. Under the JSOP, shares in the
Company are jointly purchased at fair market value by the participating executives and the trustees of the JSOP trust, with such shares held in the JSOP trust. For U.S. GAAP
purposes the awards were valued as employee options and recorded as a reduction in equity as treasury shares until they are exercised by the employee. The JSOP awards are
fully vested and have no expiration date. There were no compensation charges during the years ended December 31, 2021 and 2020.

12.

Employee Benefit Plans

The Company has a defined contribution 401(k) savings plan (the “401(k) Plan”). The 401(k) Plan covers substantially all U.S. employees, and allows participants to defer a
portion of their annual compensation on a pre-tax basis or make post-tax contributions. Company contributions to the 401(k) Plan may be made at the discretion of the Board of
Directors. During the years ended December 31, 2021 and 2020, the Company made contributions of approximately $28,000 and $27,000 to the 401(k) Plan, respectively.

13.

Commitments and Contingencies

Leases

The Company determines whether an arrangement is a lease at inception. On October 1, 2020, the Company entered into a two-year lease for its corporate headquarters in
Framingham, Massachusetts. This lease called for total future minimum rent payments of approximately $78,000 at inception and has a termination date of September 30, 2022.
The  Company  does  not  have  options  to  extend,  termination  options  or  material  residual  value  guarantees.  The  Company  recorded  a  right-of-use  (“ROU”)  asset  and
corresponding lease liability on the consolidated balance sheet. The Company recognized a ROU asset and a lease liability of approximately $71,000 during the year ended
December  31,  2020.  As  the  sublease  does  not  provide  an  implicit  rate,  we  used  our  incremental  borrowing  rate  (10.2%)  based  on  the  information  available  at  the  lease’s
commencement date in determining the present value of lease payments.

Supplemental cash flow information and non-cash activity related to our operating leases are as follows: 

Operating cash flow information:

Cash paid for amounts included in the measurement of lease liabilities

Non-cash activity:

Right-of-use assets obtained in exchange for lease liabilities

Supplemental balance sheet information related to our operating leases is as follows: 

Year Ended
December 31,
2021

Year Ended
December 31,
2020

$

$

35,482   

–   

$

$

28,080 

70,564 

Right-of-use assets - ST
Right-of-use assets - LT
Current lease liabilities
Non-current lease liabilities

  Balance Sheet Classification
Prepaid expenses and other

  Other assets
  Accrued expenses and other current liabilities
  Other liabilities

December 31, 2021     December 31, 2020

$
$
$
$

27,043   
–   
27,043   
–   

$
$
$
$

35,482 
27,043 
35,482 
27,043 

F-29

 
 
 
  
 
 
 
 
 
 
 
    
 
  
 
 
   
 
 
 
   
 
 
 
    
 
  
 
 
 
    
 
  
 
 
 
 
 
 
    
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
The Company did not apply the provisions of ASU 2016-02 to the lease of its office space lease in Miami, Florida. Effective November 1, 2021, the Company renewed its
Miami office lease for twelve-months to November 2022. As this lease has a term of 12-months at inception, the Company will account for it as an operating lease. As of
December 31, 2021, total minimum lease payments on this lease was approximately $23,000.

14.

Related Party Transactions

The Company has entered into various research, development, license and supply agreements with Serum Institute and Pharmsynthez, each a related party whose relationship,
ownership, and nature of transactions is disclosed within other sections of these footnotes. Please refer to Note 4, Significant Strategic Collaborations, and Note 6, Indefinite-
Lived Intangible Assets and Other Long-Term Assets, for details on arrangements with collaboration partners that are also related parties.

During  the  fourth  quarter  of  2019,  the  Company  entered  into  a  loan  agreement  with  Pharmsynthez  (the  “Pharmsynthez  Loan”),  pursuant  to  which  the  Company  advanced
Pharmsynthez an aggregate principal amount of up to $500,000 to be used for the development of a specific product under the Company’s Co-Development Agreement with
Pharmsynthez. The Pharmsynthez Loan had a term of 15-months and accrued interest at a rate of 10% per annum. The Pharmsynthez Loan is guaranteed by all of the operating
subsidiaries of Pharmsynthez, including SynBio and AS Kevelt, and is secured by all of the common and preferred stock of the Company owned by Pharmsynthez and SynBio,
as more fully described in Note 4 Significant Strategic Collaborations. The Company recognized approximately $48,000 and $51,000 of interest income related to this loan
during the twelve-months ended December 31, 2021 and 2020, respectively.

Effective  January  23,  2021,  the  Company  entered  into  a  First  Amendment  to  Loan  Agreement  and  Other  Loan  Documents  with  Pharmsynthez,  Kevelt  and  SynBio  (the
“Pharmsynthez Loan Extension”) to modify the repayment terms and maturity of the Pharmsynthez Loan to January 2022. The terms of the Pharmsynthez Loan Extension
called for two (2) equal monthly principal payments of $25,000 in each of January 23, 2021 and February 28, 2021 and the payment of all outstanding accrued interest in six (6)
equal monthly installments from January 31, 2021 through June 30, 2021. In addition, the Pharmsynthez Loan Extension required monthly interest payments and the repayment
of the remaining principal amount in six (6) equal monthly installments from August 2021 through January 2022.

Effective  August  31,  2021,  the  Company  entered  into  a  Second  Amendment  to  Loan  Agreement  and  Other  Loan  Documents  with  Pharmsynthez,  Kevelt  and  SynBio  (the
“Second Pharmsynthez Loan Extension”) to modify the repayment terms and maturity of the Pharmsynthez Loan to July 2022. The terms of the Second Pharmsynthez Loan
Extension called for an upfront fee of $12,500 and two (2) equal monthly principal payments of $25,000 on September 30, 2021 and October 31, 2021. In addition, the Second
Pharmsynthez Loan Extension requires monthly interest payments and the repayment of the remaining principal amount in six (6) equal monthly installments from February
2022 through July 2022. All other terms of the Pharmsynthez Loan, as amended, remain in effect. All required payments under the Second Pharmsynthez Loan Extension have
been made through January 31, 2022. In February 2022, the Company received a request from Pharmsynthez to further extend the principal repayments until September 2022.
The Company agreed to extend the maturity date, although final terms of such extension are under negotiation. All other terms of the Pharmsynthez Loan, as amended, are
expected to remain in effect including the continued payment of interest on a monthly basis. As a result of this request and the current economic uncertainty due to the conflict
between Russia and Ukraine and associated sanctions imposed by the U.S. and other countries in response, the Company has classified the loan receivable as long-term as of
December 31, 2021. The Company assessed the collectability of the loan and determined that the collateral held by the Company, consisting of all of the common and preferred
stock of the Company owned by Pharmsynthez and SynBio, was adequate to support the outstanding principal balance. As of December 31, 2021, approximately $0.4 million
was included in other assets on the consolidated balance sheet. As of December 31, 2020, approximately $0.5 million was classified within prepaid expenses and other assets
and approximately $0.1 million was classified within other assets on the consolidated balance sheet.

15.

Subsequent Events

The  Company  performed  a  review  of  events  subsequent  to  the  balance  sheet  date  through  the  date  the  financial  statements  were  issued  and  determined  that,  other  than  the
further extension of the Pharmsynthez Loan discussed in Note 14 Related Party Transactions, there were no such events requiring recognition or disclosure in the financial
statements.

F-30

 
 
  
 
 
 
 
 
 
 
 
 
 
 
ITEM 9 – CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

Not applicable.

ITEM 9A – CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as
defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), as of the end of the period covered by this Annual
Report on Form 10-K.

Based on this evaluation our management, including our Chief Executive Officer and Chief Financial Officer, concluded that, as of December 31, 2021, our disclosure controls
and procedures are designed at a reasonable assurance level and are effective to provide reasonable assurance that information we are required to disclose in reports that we file
or submit under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in the SEC’s rules and forms, and that such information is
accumulated and communicated to our management, including our principal executive and principal financial officers, or persons performing similar functions, as appropriate,
to allow timely decisions regarding required disclosure.

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 Rule 13a-15(f) of the Exchange
Act.  Management,  under  the  supervision  and  with  the  participation  of  our  Chief  Executive  Officer  and  Chief  Financial  Officer,  conducted  an  assessment  of  the  design  and
effectiveness of our internal control over financial reporting as of the end of the period covered by this Annual Report on Form 10-K. In making its assessment of internal
control over financial reporting, management used the criteria set forth by the Committee of Sponsoring Organizations (“COSO”) of the Treadway Commission in Internal
Control — Integrated Framework (2013 Framework). Based on this assessment, our management concluded that, as of the end of the period covered by this Annual Report on
Form 10-K, our internal control over financial reporting was effective based on the criteria set forth by COSO of the Treadway Commission in Internal Control — Integrated
Framework.

This annual report does not include an attestation report of our registered public accounting firm regarding internal control over financial reporting. Management’s report was
not subject to attestation by our registered public accounting firm pursuant to an exemption for non-accelerated filers set forth in Section 989G of the Dodd-Frank Wall Street
Reform and Consumer Protection Act.

Changes in Internal Control Over Financial Reporting

There have been no changes in our internal control over financial reporting that occurred during the quarterly period covered by this Annual Report on Form 10-K that have
materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

60

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Limitations on Effectiveness of Controls and Procedures

In designing and evaluating the disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can
provide only reasonable assurance of achieving the desired control objectives. The Company’s internal control over financial reporting includes those policies and procedures
that:

(1)
(2)

(3)

Pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the Company’s assets;
Provide  reasonable  assurance  that  transactions  are  recorded  as  necessary  to  permit  preparation  of  financial  statements  in  accordance  with  generally  accepted
accounting principles, and that the Company’s receipts and expenditures are being made only in accordance with authorizations of the Company’s management and
directors; and
Provide  reasonable  assurance  regarding  prevention  or  timely  detection  of  unauthorized  acquisition,  use,  or  disposition  of  the  Company’s  assets  that  could  have  a
material effect on the financial statements.

Management,  including  the  Company’s  principal  executive  and  principal  financial  officers,  or  persons  performing  similar  functions,  does  not  expect  that  the  Company’s
internal  controls  will  prevent  or  detect  all  errors  and  all  fraud.  A  control  system,  no  matter  how  well  designed  and  operated,  can  provide  only  reasonable,  not  absolute,
assurance that the objectives of the control system are met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of
controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of internal controls can provide absolute assurance
that all control issues and instances of fraud, if any, have been detected. Also, any evaluation of the effectiveness of controls in future periods are subject to the risk that those
internal controls may become inadequate because of changes in business conditions, or that the degree of compliance with the policies or procedures may deteriorate.

ITEM 9B – OTHER INFORMATION

None.

ITEM 9C – DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS

Not applicable.

61

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ITEM 10 – DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

PART III

The information required by this Item will be set forth in the Company’s definitive proxy statement or information statement to be filed with the SEC in connection with the
Company’s 2022 Annual Meeting of Stockholders within 120 days of the end of the Company’s fiscal year ended December 31, 2021 and is incorporated herein by reference,
or will be included in an amendment to this Annual Report on Form 10-K.

ITEM 11 – EXECUTIVE COMPENSATION

The information required by this Item will be set forth in the Company’s definitive proxy statement or information statement to be filed with the SEC in connection with the
Company’s 2022 Annual Meeting of Stockholders within 120 days of the end of the Company’s fiscal year ended December 31, 2021 and is incorporated herein by reference,
or will be included in an amendment to this Annual Report on Form 10-K.

ITEM 12 – SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

The information required by this Item will be set forth in the Company’s definitive proxy statement or information statement to be filed with the SEC in connection with the
Company’s 2022 Annual Meeting of Stockholders within 120 days of the end of the Company’s fiscal year ended December 31, 2021 and is incorporated herein by reference,
or will be included in an amendment to this Annual Report on Form 10-K.

ITEM 13 – CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

The information required by this Item will be set forth in the Company’s definitive proxy statement or information statement to be filed with the SEC in connection with the
Company’s 2022 Annual Meeting of Stockholders within 120 days of the end of the Company’s fiscal year ended December 31, 2021 and is incorporated herein by reference,
or will be included in an amendment to this Annual Report on Form 10-K.

ITEM 14 – PRINCIPAL ACCOUNTING FEES AND SERVICES

The information required by this Item will be set forth in the Company’s definitive proxy statement or information statement to be filed with the SEC in connection with the
Company’s 2022 Annual Meeting of Stockholders within 120 days of the end of the Company’s fiscal year ended December 31, 2021 and is incorporated herein by reference,
or will be included in an amendment to this Annual Report on Form 10-K.

62

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ITEM 15 – EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a)

The following is filed as part of this Annual Report on Form 10-K:

PART IV

·

·

Consolidated Financial Statements:  The consolidated financial statements and report of independent registered public accounting firm required by this item are
included in Part II, Item 8;
Financial Statement Schedules:  All schedules are omitted because they are not applicable or not required, or because the required information is shown either in
the consolidated financial statements or in the notes thereto.

(b)

Exhibits: The exhibits which are filed or furnished with this Annual Report on Form 10-K or which are incorporated herein by reference are set forth in the Exhibit
Index beginning on page 64 which is incorporated herein by reference.

ITEM 16 – FORM 10-K SUMMARY

Not applicable.

63

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit
No.

2.1

2.2
2.3
2.4
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8

3.9

3.10
3.11
3.12
3.13
4.1

4.2
4.3

4.4
4.5
4.6
4.7
4.8
10.1†

EXHIBIT INDEX

Exhibit Index

Form

Filing Date

Exhibit
Number

Filed
Herewith

  Share Purchase Agreement between Xenetic Biosciences, Inc., Hesperix SA, certain Sellers

8-K/A

05/13/2019

and Alexey Andreevich Vinogradov, dated March 1, 2019

  First Amendment to Share Purchase Agreement dated June 7, 2019
  Second Amendment to Share Purchase Agreement dated June 24, 2019
  Third Amendment to Share Purchase Agreement dated July 15, 2019
  Articles of Incorporation
  Certificate of Amendment to Articles of Incorporation
  Certificate of Amendment to Articles of Incorporation
  Certificate of Amendment to Articles of Incorporation
  Certificate of Change Pursuant to NRS 78.209
  Certificate of Amendment to Articles of Incorporation
  Amended and Restated Bylaws
  Form of Amended and Restated Certificate of Designation of Preferences, Rights and

Limitations of Series A Preferred Stock

  Second Amended and Restated Certificate of Designation of Preferences, Rights and

Limitations of Series B Preferred Stock

  Certificate of Change Pursuant to NRS 78.209
  Certificate of Amendment to Articles of Incorporation
  Certificate of Amendment to Articles of Incorporation
  Certificate of Amendment to Articles of Incorporation
  Description of Registrant’s Securities Registered Pursuant to Section 12 of the Securities

Exchange Act of 1934

  Form of Common Stock Certificate of the Registrant
  Registration Rights Agreement, dated July 1, 2015, between Xenetic Bioscience, Inc. and

OJSC Pharmsynthez

  Form of First Amendment to Registration Rights Agreement
  Form of Common Stock Purchase Warrant
  Form of Common Stock Purchase Warrant
  Form of Series A Warrant
  Form of Series B Warrant
  Form of Amended and Restated Xenetic Biosciences, Inc. Equity Incentive Plan, as

amended, effective as of December 7, 2021

8-K
8-K
8-K
S-1
8-K
8-K
10-Q
10-Q
8-K
8-K
S-1/A

S-1/A

8-K
8-K
10-K
10-K
10-K

S-1/A
8-K

8-K
8-K
8-K
8-K
8-K

DEF14A  

06/13/2019
06/24/2019
07/16/2019
11/21/2011
02/12/2013
02/27/2013
01/10/2014
01/10/2014
09/30/2015
02/27/2017
10/27/2016

10/31/2016

06/24/2019
06/24/2019
03/16/2021
03/16/2021
03/16/2021

07/14/2016
07/08/2015

11/16/2015
06/25/2019
07/22/2019
07/28/2021
07/28/2021
10/15/2021

2.1

2.1
2.1
2.1
3.1
3.1
3.1
3.1
3.2
3.1
3.1
3.8

3.9

3.1
3.2
3.12
3.13
4.1

4.1
10.3

10.8
4.1
4.2
4.1
4.2
  Appendix A  

10.2#

  Agreement on Co-Development and the Terms of Exclusive License dated August 4, 2011

10-K/A  

02/18/2015

10.18

between Lipoxen plc, Lipoxen Technologies LTD and SynBio LLC

10.3

  Novation of Agreement on Co-Development and the Terms of Exclusive License, dated
December 17, 2021, between Xenetic Biosciences (UK) Limited (formerly Lipoxen plc),
Lipoxen Technologies Limited, SynBio LLC and Public Joint-Stock Company
Pharmsynthez

10.4##

  Exclusive License Agreement, dated December 20, 2021, between Lipoxen Technologies

Limited and Public Joint-Stock Company Pharmsynthez

X

X

64

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit
No.

10.5#

Subscription Agreement in respect of ordinary shares in the capital of Lipoxen plc dated
August 4, 2011 between SynBio LLC and Lipoxen plc

Exhibit Index

Form

Filing Date

10-K/A  

02/18/2015

10.6#

  Collaboration, License and Development Agreement, dated November 11, 2009, between

10-K/A  

02/18/2015

Pharmsynthez ZAO and Lipoxen Technologies Ltd.

10.7#

  Exclusive Patent and Know How License and Manufacturing Agreement, dated August 4,

10-K/A  

02/18/2015

2011, between Lipoxen plc, Lipoxen Technologies Ltd and Serum Institute of India
Limited

10.8

  Intellectual Property Assignment between Dmitry Genkin, FDS Pharma, Lipoxen

10-K

04/15/2015

Technologies Limited and Xenetic Biosciences Inc.

10.9†

  Employment Agreement, dated December 1, 2016, between Xenetic Biosciences, Inc. and

Jeffrey Eisenberg

10.10†

  Employment Agreement, dated January 1, 2017 between Xenetic Biosciences, Inc. and

Curtis Lockshin

10.11†

  Employment Agreement, dated March 23, 2017 between Xenetic Biosciences, Inc. and

James F. Parslow

8-K

8-K

8-K

12/6/2016

01/04/2017

04/04/2017

10.12†

  Form of Indemnity Agreement by and between Xenetic Biosciences, Inc. and each of its

10-Q

08/14/2017

directors and executive officers

10.13†

  Amended and Restated Employment Agreement, dated October 26, 2017, between Xenetic

10-K

03/30/2018

Biosciences, Inc. and Jeffrey Eisenberg

10.14#

  Right to Sublicense Agreement, dated October 27, 2017, by and among Xenetic
Biosciences, Inc., Baxalta Incorporated, Baxalta US Inc., and Baxalta GmbH

10-K

03/30/2018

10.15

  Assignment Agreement between Xenetic Biosciences, Inc. and OPKO Pharmaceuticals,

8-K/A

05/20/2019

LLC, dated March 1, 2019

10.16
10.17
10.18
10.19

  First Amendment to Assignment Agreement dated June 7, 2019
  Second Amendment to Assignment Agreement dated June 24, 2019
  Third Amendment to Assignment Agreement dated July 15, 2019
  Form of Consent Agreement by and among Xenetic Biosciences, Inc. and certain

purchasers dated June 24, 2019

10.20

  Warrant Agency Agreement, between Xenetic Biosciences, Inc. and Empire Stock Transfer,

Inc. dated July 19, 2019

10.21

  Consent Agreement by and among Xenetic Biosciences, Inc. and certain purchasers dated

July 16, 2019

10.22†

  Letter Agreement re. Appointment of Non – Employee, Independent Director of Xenetic

Biosciences, Inc. for Grigory G. Borisenko, effective as of September 26, 2019

10.23†

  Form of Letter Agreement re. Appointment of Non – Employee, Independent Director of

Xenetic Biosciences, Inc.

10.24†
10.25†

  Form of Xenetic Biosciences, Inc. Stock Option Grant Notice
  Xenetic Biosciences, Inc. Stock Option Grant Notice, dated December 4, 2019, between

Jeffrey Eisenberg and Xenetic Biosciences, Inc.

10.26##

  Research Funding and Option Agreement, dated May 15, 2020, between the Company and

the Scripps Research Institute

8-K
8-K
8-K
8-K

8-K

8-K

10-K

10-K

10-K
10-K

10-Q

06/13/2019
06/24/2019
07/16/2019
06/25/2019

07/22/2019

07/16/2019

03/26/2020

03/26/2020

03/26/2020
03/26/2020

08/12/2020

65

Exhibit
Number

Filed
Herewith

10.19

10.20

10.21

10.1

10.1

10.1

10.1

10.1

10.45

10.46

10.1

10.1
10.1
10.1
10.1

10.1

10.1

10.50

10.51

10.52
10.53

10.1

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit
No.
10.27##

  Master Service Agreement, dated June 12, 2020, between the Company and PJSC

Exhibit Index

Pharmsynthez

10.28##

  Amendment Number One to the Master Services Agreement, dated October 12, 2021,

between the Company and PJSC Pharmsynthez

10.29##

  Second Work Order to Master Service Agreement, dated October 12, 2021, between the

Company and PJSC Pharmsynthez

10.30

  Form of Securities Purchase Agreement, dated July 26, 2021, by and among the Company

and the other parties thereto

10.31

  Form of Registration Rights Agreement, dated July 26, 2021, by and among the Company

and the other parties thereto

10.32

  Engagement Letter between Xenetic Biosciences, Inc. and H.C. Wainwright & Co., LLC,

dated as of July 25, 2021

10.33

  Form of Letter Agreement by and between Xenetic Biosciences, Inc. and the Holders, dated

November 15, 2021

10.34

  At The Market Offering Agreement by and between Xenetic Biosciences, Inc. and H.C.

21.1
23.1
24.1
31.1

31.2

32.1*

Wainwright & Co., LLC, dated November 19, 2021

  List of Subsidiaries
  Consent of Marcum LLP
  Power of Attorney (included on signature page)

Certification of Principal Executive Officer, as required by Rule 13a-14(a) or Rule 15d-
14(a)
Certification of Principal Financial Officer, as required by Rule 13a-14(a) or Rule 15d-
14(a)
Certification of Principal Executive Officer and Principal Financial Officer, as required by
Rule 13a-14(b) or Rule 15d-14(b) and Section 1350 of Chapter 36 of Title 18 of the United
States Code (18 U.S.C. §1350)
  Inline XBRL Instance Document.

101.INS
101.SCH   Inline XBRL Taxonomy Extension Schema Document.
101.CAL   Inline XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF   Inline XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB   Inline XBRL Taxonomy Extension Label Linkbase Document.
101.PRE   Inline XRBL Taxonomy Extension Presentation Linkbase Document.

104

  Cover Page Interactive Data File (embedded within the Inline XBRL document)

Form
10-Q

Filing Date
08/12/2020

Exhibit
Number
10.2

Filed
Herewith

8-K

8-K

8-K

8-K

8-K

7/28/2021

7/28/2021

7/28/2021

11/16/2021

11/19/2021

10.1

10.2

10.3

10.1

1.1

X

X

X
X
X
X

X

X

X
X
X
X
X
X
X

†
#

##

*

Indicates a management contract or any compensatory plan, contract or arrangement.
Application  has  been  made  with  the  Securities  and  Exchange  Commission  to  seek  confidential  treatment  of  certain  confidential  material  contained  in  this  document.
Omitted material for which confidential treatment has been requested has been filed separately with the Securities and Exchange Commission.
Portions of this exhibit, marked by brackets and asterisks, have been omitted pursuant to Item 601(b)(10) of Regulation S-K under the Securities Act of 1933, as amended,
because they are both (i) not material and (ii) would likely cause competitive harm to the registrant if publicly disclosed. The registrant undertakes to promptly provide an
unredacted copy of the exhibit on a supplemental basis, if requested by the Commission or its staff.
This certification is deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section,
nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.

66

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the

undersigned, thereunto duly authorized.

SIGNATURES

Date: March 22, 2022

By:

XENETIC BIOSCIENCES, INC.

/s/ JEFFREY F. EISENBERG
Jeffrey F. Eisenberg
Chief Executive Officer

POWER OF ATTORNEY AND SIGNATURES

We, the undersigned officers and directors of Xenetic Biosciences, Inc., hereby severally constitute and appoint Jeffrey F. Eisenberg, our true and lawful attorney, with
full power to him, to sign for us in our names in the capacities indicated below, all amendments to this report, and generally to do all things in our names and on our behalf in
such capacities to enable Xenetic Biosciences, Inc. to comply with the provisions of the Securities Exchange Act of 1934, as amended, and all requirements of the Securities
and Exchange Commission.

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

capacities indicated below on the 22nd day of March, 2022.

Signature

Title(s)

/s/ JEFFREY F. EISENBERG
Jeffrey F. Eisenberg
Date: March 22, 2022

/s/ JAMES PARSLOW
James Parslow
Date: March 22, 2022

/s/ GRIGORY BORISENKO
Grigory Borisenko
Date: March 22, 2022

/s/ JAMES CALLAWAY
James Callaway
Date: March 22, 2022

/s/ FIRDAUS JAL DASTOOR
Firdaus Jal Dastoor
Date: March 22, 2022

/s/ ROGER KORNBERG
Roger Kornberg
Date: March 22, 2022

/s/ ADAM LOGAL
Adam Logal
Date: March 22, 2022 

/s/ ALEXEY VINOGRADOV
Alexey Vinogradov
Date: March 22, 2022

Chief Executive Officer and Director
(Principal Executive Officer)

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

Director

Director

Director

Director

Director

Director

67

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit 10.3

NOVATION
of Agreement on Co-Development and the Terms of Exclusive License

This Novation of Agreement on Co-Development and the Terms of Exclusive License (the “Agreement”) is made on December 17, 2021 between:

(1)

(2)

Xenetic Biosciences (UK) Limited (formerly before 5th September 2011 Lipoxen PLC), a Company registered under the laws of England with Company number
03213174 located at: 5th Floor, 15 Whitehall, London SW1A 2DD, United Kingdom, represented by its Director James Parslow, acting on the basis of the Articles of
Association of Xenetic Biosciences (UK) Limited;

Lipoxen Technologies Limited, a Company registered under the laws of England with Company registration number 03401495 located at: 5th Floor, 15 Whitehall,
London SW1A 2DD, United Kingdom, represented by its Director James Parslow, acting on the basis of the Articles of Association of Lipoxen Technologies Limited;

(Xenetic Biosciences (UK) Limited and Lipoxen Technologies Limited shall be jointly referred to as “Xenetic”);

(3)

(4)

SynBio LLC,  a  limited  liability  company  incorporated  under  the  laws  of  the  Russian  Federation,  Main  State  Registration  Number  1117746126321,  located  at:  3,
Molodezhnaya  street,  floor  1,  premise  XVII,  office  1,  room  17,  119296,  Moscow,  Russian  Federation  (“SynBio”),  represented  by  Chief  Executive  Officer  Maxim
Sirosh, acting on the basis of the Articles of Association of SynBio; and

Public Joint Stock Company Pharmsynthez, a corporation registered in the Russian Federation with registration number 7801075160, with registered address at:
№ 134,  liter  1,  Kuzmolovsky  urban-type  settlement,  Capitolovo  station,  Vsevolozhsky  district,  Leningrad  region,  188663,  Russian  Federation  (“Pharmsynthez”),
represented by Chief Executive Officer Efim Prilezhaev, acting on the basis of the Articles of Association of Pharmsynthez.

(Xenetic, SynBio and Pharmsynthez shall be jointly referred to as the “Parties” and each individually as a “Party”).

BACKGROUND:

(A)

(B)

On 4 August 2011, Xenetic and SynBio entered into an Agreement on Co-Development and the Terms of Exclusive Licence (the “Agreement on Co-Development”)
pursuant  to  which  Xenetic  and  SynBio  have  agreed  to  collaborate  in  the  development  of:  (a)  certain  products  combining  the  PolyXen  Technology  and  SynBio
Molecules; and (b) Histone using the Oncohist Technology.

The Parties have agreed, and Xenetic hereby consents, that SynBio's rights, obligations and liabilities under the Agreement on Co-Development shall be assumed by
Pharmsynthez on the terms set out in this Agreement.

Words and expressions defined in the Agreement on Co-Development shall have the same meaning when used herein.

1

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
THE PARTIES AGREE as follows:

1.

1.1

NOVATION / CHANGE OF CONTRACTUAL PARTY

The transfer of rights and obligations set out in this Clause 1 and Clause 2 shall be deemed to have taken effect as from 17 December 2021 (the “Effective Date”). For
the avoidance of doubt it is agreed that the terms of the Agreement on Co-Development shall remain the same.

1.2

As from the Effective Date:

1.2.1

1.2.2

1.2.3

SynBio transfers all of its rights and obligations under the Agreement on Co-Development to Pharmsynthez. Pharmsynthez shall enjoy all the rights and
benefits  of  SynBio  under  the  Agreement  on  Co-Development,  and  all  references  to  “SynBio”  in  the  Agreement  on  Co-Development  shall  be  read  and
construed as references to Pharmsynthez. Consequently the Parties to this Agreement confirm that the transfer is made in accordance with clause 21.1 of
the Agreement on Co-Development.

Pharmsynthez agrees to perform the obligations of the Agreement on Co-Development and be bound by the terms of the Agreement on Co-Development in
every way as if it were the original party to them in place of SynBio; and

Xenetic agrees to perform the obligations of the Agreement on Co-Development and be bound by the terms of the Agreement on Co-Development in every
way as if Pharmsynthez were the original party to it in place of SynBio.

Nothing in this Agreement is intended to or shall deem Pharmsynthez to be liable for any act or omission of SynBio in relation to the Agreement on Co-Development
occurring before the Effective Date.

RELEASE OF OBLIGATIONS AND LIABILITIES

Xenetic and SynBio release each other from all future obligations to the other under the Agreement on Co-Development arising after the Effective Date.

Xenetic releases and discharges SynBio from all claims and demands arising under or in connection with the Agreement on Co-Development, except that nothing in
this Agreement shall affect or prejudice any claim or demand that either Xenetic or SynBio may have against the other relating to matters arising before the Effective
Date.

OWNERSHIP OF INTELLECTUAL PROPERTY RIGHTS

All SynBio Arising IPR under the Agreement on Co-Development (including but not limited to any patent applications which may previously have been filed in the
name of SynBio) shall belong to, and vest in, Pharmsynthez.

All  Joint  Arising  IP  which  at  any  time  have  been  or  are  created,  developed  and/or  acquired  by  or  on  behalf  of  Xenetic  and  SynBio  shall  belong  to  Xenetic  and
Pharmsynthez.

1.3

2.

2.1

2.2

3.

3.1

3.2

2

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3.3

SynBio hereby transfers an exclusive license granted to SynBio by Xenetic during the term of the Agreement on Co-Development, subject to the provisions of the
Agreement on Co-Development, to Pharmsynthez outside the Excluded Field in the SynBio Market to research, develop, manufacture, have manufactured, use, sell,
supply and otherwise exploit the Pharmsynthez PolyXen Products using:

3.3.1

the PolyXen Patents and the PolyXen Know How;

3.3.2

the Lipoxen (Xenetic) Arising IPR; and

3.3.3

any and all CMO Arising IPR which is owned by Xenetic or in relation to which Xenetic has a right to grant a licence.

3.4

SynBio transfers a non-exclusive licence granted to SynBio by Xenetic to Pharmsynthez to use the PSA Patents and the PSA Know How in the SynBio Market for the
term of the Agreement on Co-Development to manufacture PSA:

3.4.1

for use in the development and exploitation of Products by Pharmsynthez; and/or

3.4.2

for supply to Xenetic and/or licensee’s of the PolyXen Technology.

3.5

3.6

4.

4.1

5.

5.1

5.2

For the avoidance of doubt, SynBio acknowledges and agrees that, as from the Effective Date, it shall have no further rights to develop and commercially exploit
SynBio Products in the SynBio Market.

The  provisions  of  this  Clause  3  shall  be  binding  as  from  the  date  that  this  Agreement  is  executed  and  the  Agreement  on  Co-Development  shall  be  deemed  to  be
amended accordingly.

FURTHER ASSURANCE

Each Party agrees (at each Party's own cost) to do, or procure the doing of, all acts and things, and execute, or procure the execution of, all documents, as may be
required from time to time to give full effect to the terms of this Agreement and to perfect another Party's title to any IPR which is assigned to it pursuant to this
Agreement.

GENERAL

This  Agreement  shall  be  governed,  interpreted,  applied  and  construed  in  accordance  with  the  English  law.  This  provision  does  not  affect  the  application  of  the
mandatory rules of Russian law established under Article 1192 of the civil Code of the Russian Federation to this Agreement which apply in any event.

If  any  dispute,  controversy  or  claim  of  whatever  nature  arises  under,  out  of  or  in  connection  with  this Agreement,  including  any  question  regarding  its  existence,
validity or termination (a “Dispute”), the Parties shall use all reasonable endeavours to resolve the matter amicably. If one Party gives the others notice that a Dispute
has arisen and the Parties are unable to resolve the Dispute within thirty (30) days of service of the notice then the Dispute shall be referred to the respective chief
executive officers of the Parties who shall attempt to resolve the Dispute. No Party shall resort to arbitration against any other Party under this Agreement until thirty
(30) days after such referral.

3

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5.3

5.4

All Disputes which are unresolved pursuant to Clause 5.2 and which a Party wishes to have resolved shall be referred upon the application of any Party to, and finally
settled by, arbitration under the Rules of Arbitration of the London Court of International Arbitration (“LCIA”) (the “Rules”) in force at the date of this Agreement,
which Rules are deemed to be incorporated by reference to this Clause. The number of arbitrators shall be three (3), appointed in accordance with the Rules. The LCIA
Court may appoint arbitrators from among the nationals of any country, whether or not a Party is a national of that country. The seat of the arbitration shall be London.
The language of this arbitration shall be English.

The arbitrators shall have the power to grant any legal or equitable remedy or relief available under law, including injunctive relief (whether interim and/or final) and
specific performance and any measures ordered by the arbitrators may be specifically enforced by any court of competent jurisdiction. Each Party retains the right to
seek interim or provisional measures, including injunctive relief and including pre-arbitral attachments or injunctions, from any court of competent jurisdiction and
any such request shall not be deemed incompatible with the agreement to arbitrate or a waiver of the right to arbitrate. For the avoidance of doubt, this Clause is not
intended to limit the powers of the court exercisable in support of arbitration proceedings pursuant to s.44 of the Arbitration Act 1996.

5.5

This  Agreement  is  executed  in  the  Russian  and  English  languages  in  four  counterparts,  one  counterpart  for  each  Party.  In  the  event  of  a  discrepancy  between  the
Russian and English texts of this Agreement, the English language text shall prevail.

4

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
IN WITNESS WHEREOF this Agreement has been duly executed the day and year first above written.

SIGNED for and on behalf of Xenetic Biosciences (UK) Limited

Signed by: _______________________________

Name: James Parslow
Title: Director /

SIGNED for and on behalf of Lipoxen Technologies Limited

Signed by : _______________________________

Name: James Parslow
Title: Director

SIGNED for and on behalf of SynBio LLC

Signed by: _______________________________

Name: Maxim Sirosh
Title: CEO

SIGNED for and on behalf of PJSC Pharmsynthez

Signed by: _______________________________

Nam: Efim Prilezhaev
Title: CEO

5

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit 10.4

CERTAIN INFORMATION IDENTIFIED IN THIS DOCUMENT, MARKED BY BRACKETS AND ASTERISKS (“[***]”), HAS BEEN EXCLUDED PURSUANT
TO  ITEM  601(B)(10)  OF  REGULATION  S-K  UNDER  THE  SECURITIES  ACT  OF  1933,  AS  AMENDED,  BECAUSE  IT  IS  (I)  NOT  MATERIAL  AND  (II)
WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED.

EXCLUSIVE LICENSE AGREEMENT
№ 201221/1

December 20, 2021

LIPOXEN  TECHNOLOGIES  LIMITED,  a  legal  entity  incorporated  and  existing  under  the  laws  of  United  Kingdom,  registered  at  the  address:  5th  Floor,  15  Whitehall,
London SW1A 2DD, United Kingdom, represented by its Director James Parslow, acting pursuant to the Articles of Association, hereinafter referred to as "the Licensor", on
the one part, and  

Public  Joint-Stock  Company  “Pharmsynthez”,  a  legal  entity  organized  and  existing  under  the  laws  the  Russian  Federation,  registered  at  the  address:  134,  letter  1,
Kuzmolovsky  urban-type  village,  Capitolovo  station,  Vsevolozhsky  district,  Leningrad  region,  188663  Russia,  represented  by  its  General  Director  Efim  Alexandrovich
Prilezhaev, acting pursuant to the Articles of Association, hereinafter referred to as "the Licensee", on the other part, hereinafter referred to jointly to as “the Parties”,  and
individually as “the Party”,

WHEREAS:

1. The Licensor is the owner of Russian patent № 2333223 under application 2006107546/04 dd. August 12, 2004, the start date of the patent validity period: 12.08.2004, for
the invention “Sialic acid derivatives, methods for producing thereof, conjugates of the sialic acid derivatives and pharmaceutical composition based thereon”;

2. The Licensor is the owner of Russian patent № 2327703 under application 2006107545/04 dd. August 12, 2004, the start date of the patent validity period: 12.08.2004, for
the invention “Polysialic acid derivatives”;

hereinafter referred to as "the Patents",

3. On 4 August 2011 Xenetic Biosciences (UK) Limited (formerly before 5th September 2011 Lipoxen PLC), Lipoxen Technologies Ltd. (Xenetic Biosciences (UK) Limited
and Lipoxen Technologies Ltd. are jointly referred to as "Xenetic") and SynBio LLC entered into an Agreement on Co-Development and the Terms of Exclusive Licence (the
“Agreement  on  Co-Development”)  pursuant  to  which  Xenetic  and  SynBio  have  agreed  to  collaborate  in  the  development  of  certain  products  combining  the  PolyXen
Technology and SynBio Molecules.

4. On 17 December 2021 Xenetic Biosciences (UK) Limited, Lipoxen Technologies Limited, SynBio LLC and Public Joint Stock Company Pharmsynthez entered into the
Novation of Agreement on Co-Development and the Terms of Exclusive Licence pursuant to which SynBio's rights, obligations and liabilities under the Agreement on Co-
Development are assumed by Pharmsynthez.

The Licensee wishes to obtain an exclusive license for use of the inventions, which the Patents are issued for, in accordance with the terms of this Agreement, with the purpose
of manufacturing, using, offering for sale, selling and otherwise introducing the product, manufactured on the base of the said inventions, and for use of the methods protected
by the Patents,

1

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pursuant to Agreement on Co-Development the Parties have concluded this Agreement as follows:

1. Definition of terms

The following terms which are used in this Agreement, mean:  

1.1. “The Patents” – the patents of the Russian Federation obtained by the Licensor: № 2333223 under application 2006107546/04 dd. August 12, 2004, the start date of the
patent  validity  period:  12.08.2004,  for  the  invention  “Sialic  acid  derivatives,  methods  for  producing  thereof,  conjugates  of  the  sialic  acid  derivatives  and  pharmaceutical
composition  based  thereon”,  №   2327703  under  application  2006107545/04  dd.  August  12,  2004,  the  start  date  of  the  patent  validity  period:  12.08.2004,  for  the  invention
“Polysialic acid derivatives”.

1.2. “The Licensed Production” – production that will be manufactured based on this Agreement: “Epolong®, solution for subcutaneous injection, 200 μg/mL, 400 μg/mL”.

1.2.1.  A  polysaccharide  compound  or  conjugate  of  an  aldehyde  derivative  as  claimed  in  the  Patents,  in  which  a  part  of  the  molecule  contains  a  peptide  bond  formed  with
recombinant human erythropoietin which has the following structure (amino acid sequence):

or an amino acid sequence homologous to it by at least 90 %.

1.2.2. A polysaccharide compound or conjugate of an aldehyde derivative as claimed in the Patents wherein said protein is recombinant human erythropoietin which has the
following structure (amino acid sequence):

or an amino acid sequence homologous to it by at least 90 %.

2

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1.3. “The Licensed Methods” – the methods of manufacturing of the Licensed Production.

1.4. “Confidentiality”  –  observance  of  measures  on  prevention  of  casual  or  deliberate  disclosure  of  confidential  information  (know-how),  concerning  inventions  under  the
Patents to the third parties.

1.5. "Payments” – payments at which all possible taxes and tax collections are paid as it should be, not contradicting the current legislation of the Russian Federation.

1.6. "Territory” – territory of application of the inventions reflected in THE PATENTS, namely the Russian Federation.

1.7.  "The  Licensee  Market"  –  the  Russian  Federation  and  the  commonwealth  of  independent  states  comprising  the  following  countries:  Armenia,  Azerbaijan,  Belarus,
Kazakhstan, Kyrgyzstan, Republic of Moldova, Tajikistan, Turkmenistan, Ukraine and Uzbekistan.

1.8. "Quarter" – the quarterly periods ending 31 March, 30 June, 30 September and 31 December.

1.9. "The Licensee Net Sales" – the amount received by the Licensee and/or its affiliates from third parties in respect of sales and/or supplies of the Licensed Production in
arms length transactions in the Licensee Market (or the amount received if the transactions had been at arms length) less the following items provided they are shown in writing
on the relevant invoice or in other documentary evidence: sales taxes, costs of delivery, customary trade discounts actually granted, amounts actually repaid or credited for
defective or returned production.

2. Subject-matter of the Agreement

2.1.  The  Licensor  gives  to  the  Licensee  on  period  of  validity  of  this  Agreement  for  the  compensation  paid  by  the  Licensee,  the  exclusive  license  for  use  of  the  inventions
protected by the Patents for the purpose of manufacturing, using, offering for sale, selling and otherwise introducing the Licensed Production.

2.2. The Licensee is granted the right to manufacture, application, the offer to sale, sale and other introduction into economic circulation of the Licensed Production, and use of
the Licensed Methods.

2.3. The Licensee has the right to grant sublicense(s) to any third parties in relation to the rights (or their parts) granted to him under this Agreement after receipt of a prior
written consent of the Licensor provided that the Licensee bears responsibility before the Licensor for actions and omissions of the sublicensees concerning infringement of the
rights granted to the Licensee under this Agreement and transferred by the Licensee to the sublicensee.

3. Improvements

3.1.  During  the  validity  period  of  this  Agreement  the  Parties  undertake  to  inform  immediately  each  other  about  all  improvements  made  by  them  concerning  the  Licensed
Production.

3.2. The Parties undertake to offer first of all each other all above-stated improvements. Conditions of transfer of these improvements will be additionally co-ordinated by the
Parties.

3

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4. Obligations and responsibility

4.1. The Licensor declares that at the moment of signing of this Agreement he does not know about the rights of the third parties which could be injured by granting license
under this Agreement.

4.2.  The  Licensor  does  not  bear  responsibility  for  use  of  the  Licensed  Production  by  the  Licensee,  as  well  as  at  introduction  of  the  Licensed  Production  into  economic
circulation.

4.3. The Licensor declares that materials and documents transferred to the Licensee will be complete and qualitatively made. (the Parties can also stipulate other requirements
to the documentation and other information).

4.4. The Licensor is obliged to support the exclusive right to the invention under the Patent during all period of validity of the Agreement.

4.5. The Licensee undertakes to make the Licensed Production in full conformity with instructions of the Licensor in a part concerning inventions.

4.6.  The  size  of  the  indemnification  and  contractual  fines  which  one  Party  can  declare  because  of  various  infringements  of  conditions  of  this  Agreement  cannot  exceed  in
aggregate received or paid on Section 6 of this Agreement of the sums if the Parties have not agreed about other.

5. Payments

5.1. Pursuant to clause 2 of Schedule 10 to Agreement on Co-Development for granting of the rights provided by this Agreement, the Licensee shall pay to the Licensor a
royalty of 10 % (ten per cent) of all the Licensee Net Sales. The royalty payable to the Licensor shall become due 30 (thirty) days after the expiry of the Quarter in which the
Licensed Production was sold and/or supplied by the Licensee.

5.2. All fees, gathering and other costs connected with the conclusion and registration of this Agreement are paid by the Licensee.

6. Confidentiality maintenance

6.1. The Parties incur obligations on observance of confidentiality of the information received from the Licensor concerning manufacturing of the Licensed Production. The
Parties will take all necessary measures to prevent full or partial disclosure of the specified data or acquaintance with them by the third parties if other is not provided by this
Agreement.

7. Protection of the transferred rights

7.1. During the whole period of validity of this Agreement the Licensee will not litigate patents of the Licensor or to contribute to this.

7.2. If the Licensor intends to stop Patents maintenance in force he beforehand informs about this the Licensee and in this case the Parties will settle their relations following
from this Agreement under the additional agreement.

7.3. In cases of illegal use by third parties of inventions protected by the Patents that have become known to the Licensee, he will immediately notify the Licensor. If claims or
lawsuits are filed against the Licensee regarding the violation of the rights of third parties in connection with the use of the license under this Agreement, the Licensee will
notify the Licensor about this. In both cases the Licensor shall settle such claims or undertake other actions excluding occurrence of expenses and losses for the Licensee.

8. The Resolution of disputes

8.1.  In  case  of  disputes  between  the  Licensor  and  the  Licensee  on  the  issues  provided  for  in  this  Agreement,  the  Parties  will  take  all  measures  to  resolve  them  through
negotiations among themselves.

4

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8.2.  In  case  of  impossibility  to  resolve  these  disputes  through  negotiations,  they  must  be  resolved  in  accordance  with  the  procedure  established  by  the  law  of  the  Russian
Federation.

9. Period of validity of the Agreement

9.1. This Agreement is concluded for the validity period of the Patents and comes into force from the date of its registration at the Rospatent.

9.2.  Each  of  the  Parties  will  in  writing  notify  other  Party  on  intention  ahead  of  schedule  to  terminate  this  Agreement  if  the  other  Party  does  not  carry  out  of  any  essential
obligation  under  this  Agreement.  To  the  Party  which  has  not  carried  out  of  the  obligations,  it  will  be  given  6  (six)  months  for  infringement  elimination.  In  a  case  if  the
infringement will not be eliminated, the Agreement is subject to prescheduled cancellation in the order established by the effective laws of the Russian Federation.

10. Other conditions

10.1.  All  changes  and  additions  to  this  Agreement  shall  be  made  in  writing  and  signed  by  the  authorized  persons  and  approved  by  competent  bodies  if  such  approval  is
necessary.

10.2. In all the rest that is not provided by this Agreement, the Parties are ruled by the Agreement on Co-Development and the effective laws of the Russian Federation. If any
of the provisions of this Agreement contradicts the Agreement on Co-Development, the provisions of the Agreement on Co-Development shall prevail.

10.3. This Agreement is made in three original copies: one for each of the Parties and one – for filing to the Rospatent.

11. Addresses and bank details

LICENSOR:
LIPOXEN TECHNOLOGIES LIMITED
Registered Office at: 5th Floor, 15 Whitehall, London SW1A 2DD, United Kingdom  

[***]

LICENSEE:
Public Joint-Stock Company “Pharmsynthez”  

[***]

Signature of the Licensee:

___________________________
Efim A. Prilezhaev, CEO of PJSC “Pharmsynthez”

Signature of the Licensor:

___________________________
James Parslow, Director of Lipoxen Technologies Limited

5

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit 10.28

CERTAIN INFORMATION IDENTIFIED IN THIS DOCUMENT, MARKED BY BRACKETS AND ASTERISKS (“[***]”), HAS BEEN EXCLUDED PURSUANT
TO ITEM 601(B)(10) OF REGULATION S-K UNDER THE SECURITIES ACT OF 1933, AS AMENDED, BECAUSE IT IS (I) NOT MATERIAL AND (II)
WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED.

AMENDMENT NUMBER ONE TO THE MASTER SERVICES AGREEMENT

THIS AMENDMENT NUMBER ONE TO THE MASTER SERVICES AGREEMENT (this “Amendment One”), is made effective October 12, 2021 (the “Effective Date)
between Xenetic Biosciences, Inc. a Nevada corporation having its place of business at 40 Speen Street, Suite 102, Framingham, Massachusetts 01701 (“Sponsor”) and PJSC
Pharmsynthez,  a  Russian  public  joint  stock  company  having  an  address  of  No  134,  Liter  1,  Poselok  Kuzmolovsky,  St.  Kapitolovo,  Vsevolozhsky  Raion,  Leningradskaya
Oblast, 188663, Russia (“Pharms”). Individually, each of Sponsor and Pharms is a “Party” and collectively, “Parties.”

WHEREAS, Sponsor and Pharms entered into a Master Services Agreement (the “Agreement”) on June 12, 2020; and

WHEREAS, Sponsor and Pharms desire to terminate all existing Work Orders immediately that were initiated pursuant to the terms of Section 1 of the Agreement;

WHEREAS, Sponsor has agreed to pay to Pharms a one-time payment of forty thousand United States Dollars ($40,000 USD) upon entry of the Parties into a new Work Order
pursuant to this Amendment One. The Parties agree that this payment provides full satisfaction for any outstanding monetary or any other compensation that may be owed by
Sponsor to Pharms pursuant to the Agreement and any Work Order that existed prior to entry of the Parties into this Amendment One;

WHEREAS, Sponsor and Pharms further agree that Sponsor shall be under no obligation to make any other payments other than those expressly set forth in any future Work
Order entered into following the Effective Date of this Amendment One;

WHEREAS, Sponsor and Pharms also agree to delete Exhibit A attached to the Agreement and replace it with a new Exhibit A, which is attached hereto.

NOW, THEREFORE, in consideration of the foregoing and the covenants and promises contained in this Amendment One and in accordance with and subject to the terms and
conditions specified below, the Parties agree as follows:

AMENDMENT OF THE AGREEMENT

The  Parties  hereby  agree  to  amend  the  Agreement  as  of  the  Effective  Date  of  Amendment  One  as  provided  below.  Capitalized  terms  used  in  this  Amendment  that  are  not
otherwise defined herein shall have the meanings provided in the Agreement.

1.                  All Work Orders that were initiated under Section 1, and more particularly, Section 1.3 of the Agreement that have not been completed as of the Effective Date of
Amendment One shall herein be immediately terminated (the “Terminated Work Orders”). Sponsor shall owe no additional monetary or any other compensation for the services
and expenses set forth in these Terminated Work Orders other than that set forth below in Paragraph 3. Additionally, Pharms shall owe no further Services to Sponsor pursuant
to the Terminated Work Orders.

2.                   Sponsor and Pharms shall enter into a new Work Order upon entry of the Parties into this Amendment One, which shall abide by the requirements of Section 1
and more particularly, Section 1.3 of the Agreement.

1

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3.                  Upon entry of the Parties into the new Work Order, Sponsor shall make a one-time payment of forty thousand United States Dollars ($40,000 USD) to Pharms.
The Parties agree that twenty-one thousand United States Dollars ($21,000 USD) shall constitute a one-time payment in full for all money and any other compensation owed by
Sponsor to Pharms prior to the entry of the Parties into this Amendment One and the new Work Order. For purposes of clarity, other compensation includes, but is not limited
to, in kind services by Sponsor, shares of stock in Sponsor (also commonly referred to as equity in Sponsor) or other compensation that was owed by Sponsor to Pharms. The
remaining nineteen thousand United States Dollars ($19,000 USD) will be creditable against and will pay for any out of pocket costs and expenses by Pharms on behalf of
Sponsor pursuant to any new Work Orders initiated following the Effective Date of this Amendment One.

4.                   Section 2.6 is hereby deleted in its entirety and replaced by the new Section 2.6 set forth below:

2.6. Milestones.  In  the  event  that  milestones  shall  be  provided  under  a  Work  Order  under  this  Agreement,  and  such  milestones  shall  involve  one  or-more
payments by Sponsor to Pharms, the Parties agree that a table shall be attached to the Work Order that sets forth the milestone event that triggers the payment
and the amount of the payment to be made in USD or shares of Sponsor’s common stock. To the extent that the milestone payment is made in shares of the
Sponsor.  the  shares  shall  be  priced  as  reflected  in  the  relevant  Work  Order.  The  Parties  additionally  agree  that  the  decision  whether  to  pay  the  milestone
payment in cash or in shares shall be at the sole discretion of the Sponsor. Further, if the milestone payment is provided in shares of Sponsor stock, the shares
shall  be  issued  in  the  name  of  those  individuals  that  Pharms  identifies  in  writing  to  Sponsor  prior  to  the  issuance  of  the  shares,  subject  in  all  respects  to
compliance with Section 2.7. In the event of any change in the number or kind of outstanding shares of the Company’s common stock by reason of a stock
split, stock dividend, recapitalization or reorganization, the number of any shares subject to issuance under this Agreement as set forth under a Work Order
shall be appropriately adjusted by the Sponsor in its sole discretion, and the decision of the Sponsor regarding any such adjustment shall be final, binding and
conclusive.

5.                  Exhibit A is hereby deleted in its entirety and replaced by the Exhibit A attached hereto this Amendment One.

6.                  Miscellaneous

a.                   Full Force and Effect. Except as expressly amended by this Amendment One, the Agreement shall remain unchanged and continue in full force and effect
as provided therein.

b.                  Entire Agreement of the Parties. This Amendment One and the Agreement constitute the complete final and exclusive understanding and agreement of
Sponsor  and  Pharms  with  respect  to  the  subject  matter  of  the  Agreement,  and  supersede  any  and  all  prior  or  contemporaneous  negotiations,  correspondence,
understandings and agreements, whether oral or written, between Sponsor and Pharms respecting the subject matter of the Agreement.

c.                   Counterparts. This Amendment One may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together
shall constitute one and the same instrument. One or more counterparts of this Amendment One may be executed my facsimile or other electronic means.

2

 
 
 
 
 
 
 
 
 
 
 
 
 
 
IN WITNESS WHEREOF, the undersigned, intending to be legally bound, have duly executed this Agreement as of the Effective Date.

ACKNOWLEDGED. ACCEPTED AND AGREED TO:

PJSC Pharmsynthez

By: /s/ Prilezhaev Efim

(Signature)

Print: Prilezhaev Efim

Title: Chief Executive Officer

Date: ___________________________________________

Xenetic Biosciences, Inc.

By: /s/ Jeffrey F. Eisenberg
(Signature)

Print: Jeffrey F. Eisenberg

Title: Chief Executive Officer

Date:     October 12, 2021                                                        

3

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EXHIBIT A
PROGRAM SUMMARY

Introduction

Xenetic Biosciences is developing a CAR T platform (termed ‘XCART’) for the treatment of certain non-Hodgkin Lymphoma (NHL) subtypes, by targeting a patient- and
tumor- specific lymphoma neoantigen, namely the unique B-cell receptor (BCR) displayed by a given malignant B-cell clone.

XCART  will  utilize  a  universal  ‘CAR  cassette’,  into  which  neoantigen-specific,  antigen-binding  domains  (ABDs)  can  be  inserted  to  create  a  patient-specific  CAR.  The
resulting CAR construct can then be engineered into an autologous CAR T product for treatment of the patient’s lymphoma.

[***]

4

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EXHIBIT B
SAMPLE WORK ORDER

WORK ORDER

This Work Order (“Work Order”) is between Xenetic Biosciences, Inc., 40 Speen St., Ste 102, Framingham, MA 01701 (“Sponsor”) and PJSC Pharmsynthez, No134, Liter 1,
Poselok Kuzmolovsky, St. Kapitolovo, Vsevolozhsky Raion, Leningradskaya Oblast, 188663, Russia (“Pharms”) and relates to the Master Services Agreement dated as of June
12, 2020, as amended by Amendment No. 1 to the Master Services Agreement, dated as of October 12, 2021 (the “Agreement”), which is incorporated by reference herein.
Pursuant to the Agreement, Pharms has agreed to perform certain services in accordance with written Work Orders, such as this one, entered into from time-to-time. This Work
Order sets forth the obligations of the parties with regard to conducting certain services associated with development of Sponsor’s XCART technology.

The parties hereby agree as follows:

1.                  Work Order. This document constitutes a “Work Order” under the Agreement and this Work Order and the services contemplated herein are subject to the terms
and provisions of the Agreement.

2.                                    Services  and  Payment  of  Fees  and  Expenses.  The  specific  services  contemplated  by  this  Work  Order  (the  “Services”)  and  the  related  payment  terms  and
obligations are set forth on Attachment 1 hereto, which is incorporated herein by reference:

3.                  Term. The term of this Work Order shall commence on the date of execution and shall continue until the Services described are completed, unless this Work Order
is terminated in accordance with the Agreement. If the Agreement is terminated or expires, but this Work Order is not terminated or completed, then the terms of the Agreement
shall continue to apply to this Work Order until the Work Order is either terminated or completed.

4.                  Amendments. No modification, amendment, or waiver of this Work Order shall be effective unless in writing and duly executed and delivered by each party to the
other.

5.                  Standard Operating Procedures. Pharms shall conduct the Study according to the formats and procedures set forth in Pharms’s Standard Operating Procedures
(“SOPs”).

6.                  Third Parties. The Third Party vendors who will be performing services on the Study are set forth in Attachment 1. Sponsor has provided its written consent and
approves such Third Party vendors listed and referred to within this Agreement.

5

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ACKNOWLEDGED, ACCEPTED AND AGREED TO:

PJSC Pharmsynthez

By: __________________________________

(Signature)

Print: Prilezhaev Efim

Title: Chief Executive Officer

Date: _____________________________________

Xenetic Biosciences, Inc.

By: __________________________________

(Signature)

Print: Curtis Lockshin

Title: Chief Scientific Officer

Date: _____________________________________

6

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ATTACHMENT 1: SCOPE OF WORK/PROJECT BUDGET

[***]

7

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ATTACHMENT 2: THIRD PARTY AGREEMENTS

[Pharms to complete]

8

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit 10.29

CERTAIN INFORMATION IDENTIFIED IN THIS DOCUMENT, MARKED BY BRACKETS AND ASTERISKS (“[***]”), HAS BEEN EXCLUDED PURSUANT
TO ITEM 601(B)(10) OF REGULATION S-K UNDER THE SECURITIES ACT OF 1933, AS AMENDED, BECAUSE IT IS (I) NOT MATERIAL AND (II)
WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED.

WORK ORDER No 2

This Work Order (“Work Order”) is between Xenetic Biosciences, Inc., 40 Speen St., Ste 102, Framingham, MA 01701 (“Sponsor”) and PJSC Pharmsynthez, No134, Liter 1,
Poselok Kuzmolovsky, St. Kapitolovo, Vsevolozhsky Raion, Leningradskaya Oblast, 188663, Russia (“Pharms”) and relates to the Master Services Agreement dated as of June
12, 2020 (the “Agreement”), as amended by Amendment No. 1 to the Master Services Agreement, dated as of October 12, 2021 (the “Amendment One”), which is incorporated
by reference herein. Pursuant to the Agreement, Pharms has agreed to perform certain services in accordance with written Work Orders, such as this one, entered into from
time-to-time. This Work Order sets forth the obligations of the parties with regard to conducting certain services associated with development of Sponsor’s XCART technology.

The parties hereby agree as follows:

1.                  Work Order. This document constitutes a “Work Order” under the Agreement and this Work Order and the services contemplated herein are subject to the terms
and provisions of the Agreement.

2.                                    Services  and  Payment  of  Fees  and  Expenses.  The  specific  services  contemplated  by  this  Work  Order  (the  “Services”)  and  the  related  payment  terms  and
obligations are set forth on Attachment 1 hereto, which is incorporated herein by reference:

3.                  Term. The term of this Work Order shall commence on the date of execution and shall continue until the Services described are completed, unless this Work Order
is terminated in accordance with the Agreement. If the Agreement is terminated or expires, but this Work Order is not terminated or completed, then the terms of the Agreement
shall continue to apply to this Work Order until the Work Order is either terminated or completed.

4.                  Amendments. No modification, amendment, or waiver of this Work Order shall be effective unless in writing and duly executed and delivered by each party to the
other.

5.                  Standard Operating Procedures. Pharms shall conduct the Study according to the formats and procedures set forth in Pharms’s Standard Operating Procedures
(“SOPs”).

6.                  Third Parties. The Third Party vendors who will be performing services on the Study are set forth in Attachment 1 and/or 2. Sponsor has provided its written
consent and approves such Third Party vendors listed and referred to within this Agreement.

1

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ACKNOWLEDGED, ACCEPTED AND AGREED TO:

PJSC Pharmsynthez

By: /s/ Prilezhaev Efim

(Signature)

Print: Prilezhaev Efim

Title: Chief Executive Officer

Date: ____________________________

Xenetic Biosciences, Inc.

By: /s/ Curtis Lockshin, PhD
(Signature)

Print: Curtis Lockshin

Title: Chief Scientific Officer

Date:     October 12, 2021                                     

2

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ATTACHMENT 1: SCOPE OF WORK/PROJECT BUDGET

[***]

3

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry (Moscow)

ATTACHMENT 2: THIRD PARTY AGREEMENTS

4

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit 21.1

SUBSIDIARIES OF REGISTRANT

Subsidiary

Country / State of Incorporation

Xenetic Biosciences (UK), Ltd.

United Kingdom registered company

Lipoxen Technologies, Ltd.

United Kingdom registered company

Xenetic Bioscience, Inc.

Delaware

SymbioTec, GmbH

Hesperix S.A.

German registered company

Swiss registered company

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit 23.1

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT

We consent to the incorporation by reference in the Registration Statement of Xenetic Biosciences, Inc. on Form S-8 (File Nos. 333-261956, 333-237529, 333-222272 and 333-
218024) and on Form S-3 (File Nos. 333-260201, 333-258810, 333-227572 and 333-233769) of our report dated March 22, 2022, with respect to our audits of the consolidated
financial statements of Xenetic Biosciences, Inc. as of December 31, 2021 and 2020 and for each of the two years in the period ended December 31, 2021, which report is
included in this Annual Report on Form 10-K of Xenetic Biosciences, Inc. for the year ended December 31, 2021.

/s/ Marcum LLP

Marcum LLP
Boston, Massachusetts
March 22, 2022

 
 
 
 
 
 
 
 
Exhibit 31.1

I, Jeffrey F Eisenberg, certify that:

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
PURSUANT TO EXCHANGE ACT RULES 13a-14(a) AND 15d-14(a),
AS ADOPTED PURSUANT TO
SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

1.

2.

3.

4.

I have reviewed this annual report on Form 10-K of Xenetic Biosciences, Inc.;

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in
light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition,
results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules
13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)

(b)

(c)

(d)

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that
material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the
period in which this report is being prepared;

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide
reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with
generally accepted accounting principles;

Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the
disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the
registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal
control over financial reporting; and

5.

The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s
auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)

(b)

All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to
adversely affect the registrant’s ability to record, process, summarize and report financial information; and

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial
reporting.

Dated: March 22, 2022

By: /s/ Jeffrey F Eisenberg

       Jeffrey F. Eisenberg
       Principal Executive Officer

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit 31.2

I, James Parslow, certify that:

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER
PURSUANT TO EXCHANGE ACT RULES 13a-14(a) AND 15d-14(a),
AS ADOPTED PURSUANT TO
SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

1.

2.

3.

4.

I have reviewed this annual report on Form 10-K of Xenetic Biosciences, Inc.;

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in
light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition,
results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules
13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)

(b)

(c)

(d)

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that
material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the
period in which this report is being prepared;

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide
reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with
generally accepted accounting principles;

Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the
disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the
registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal
control over financial reporting; and

5.

The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s
auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)

(b)

All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to
adversely affect the registrant’s ability to record, process, summarize and report financial information; and

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial
reporting.

Dated: March 22, 2022

By: /s/ James Parslow

       James Parslow
       Principal Financial Officer

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit 32.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report on Form 10-K of Xenetic Biosciences, Inc. (the “Company”) for the fiscal year ended December 31, 2021, as filed with the

Securities and Exchange Commission on the date hereof (the “Report”), we, the undersigned officers of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:

1.

2.

The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: March 22, 2022

/s/ Jeffrey F. Eisenberg            
Jeffrey F. Eisenberg
Chief Executive Officer
(Principal Executive Officer)

/s/James Parslow            
James Parslow
Chief Financial Officer
(Principal Financial Officer)