The following discussion and analysis of our financial condition and results of
operations should be read in conjunction with our consolidated financial
statements and related notes included elsewhere in this Annual Report. This
discussion contains forward-looking statements that involve risks and
uncertainties. Our actual results could differ materially from those discussed
below. Factors that could cause or contribute to such differences include, but
are not limited to, those identified below and those discussed in "Risk Factors"
included elsewhere in this Annual Report. As used in this report, unless the
context suggests otherwise, "we," "us," our" or "the Company" refer to SAB
Biotherapeutics, Inc. and its subsidiaries.



Overview



We are a clinical-stage, biopharmaceutical company focused on the development of
powerful and proprietary immunotherapeutic polyclonal human antibodies to treat
and prevent infectious diseases and immune and autoimmune disorders, including
infectious diseases resulting from outbreaks and pandemics as well as
immunology, gastroenterology, and respiratory diseases that have significant
mortality and health impacts on immunocompromised patients. We have applied
advanced genetic engineering and antibody science to develop transchromosomic
(Tc) Bovine™. Our versatile DiversitAb™ platform is applicable to a wide range
of serious unmet needs in human diseases. It produces natural, specifically
targeted, high-potency, fully-human polyclonal immunotherapies without the need
for human donors. We currently have multiple drug development programs underway
and collaborations with the US government and global pharmaceutical companies.



The platform has been expanded and validated through funding awarded from U.S.
government emerging disease and medical countermeasures programs with cumulative
grant award totals of approximately $203.6 million. We are advancing clinical
programs in two indications, and preclinical development in three indications.
In addition, we are executing on two research collaborations with global
pharmaceutical companies, including CSL Behring and an undisclosed
collaboration.



We generated total revenue of $23.9 million and $60.9 million for the years
ended December 31, 2022 and 2021, respectively (60.7% decline). Our revenue to
date has been primarily derived from government grants. As of December 31, 2022,
$0.4 million in funding remains for our current government grants, with an
additional $0.4 million remaining for our current government grants pending
approval of extensions on the funding for two of the grants.



We plan to focus a substantial portion of our resources on continued research
and development efforts towards deepening our technology and expertise with our
platform and as well as indications in infectious disease
and autoimmune indications. As a result, we expect to continue to make
significant investments in these areas for the foreseeable future. We incurred
research and development expenses of $36.4 million and $57.2 million for the
years ended December 31, 2022 and 2021, respectively, and general and
administrative expenses of $16.4 million and $17.1 million for the years ended
December 31, 2022 and 2021, respectively. We expect to continue to incur
significant expenses, and we expect such expenses to increase substantially in
connection with our ongoing activities, including as we:



? invest in research and development activities to optimize and expand our

DiversitAb platform;

? develop new and advance preclinical and clinical progress of pipeline programs;

? market to and secure partners to commercialize our products;

? expand and enhance operations to deliver products, including investments in

manufacturing;

? acquire businesses or technologies to support the growth of our business;

? continue to establish, protect and defend our intellectual property and patent


     portfolio;
   ? operate as a public company.



To date, we have primarily financed our operations from government agreements and the issuance and sale of common stock.





Our net loss for the year ended December 31, 2022 was $18.7 million and our net
loss for the year ended December 31, 2021 was $17.1 million. As of December 31,
2022, we had an accumulated deficit of $47.9 million, and cash and cash
equivalents totaling $15.0 million.



Recent Developments



Private Placement



On December 7, 2022, we consummated a private placement with certain
institutional and accredited investors, whereby we issued an aggregate of
7,363,377 shares of common stock and warrants to purchase up to 7,363,377 shares
of common stock (the "PIPE Warrants"), each share and PIPE Warrant sold at a
combined purchase price of $1.08. The PIPE Warrants become exercisable on the
six-month anniversary of the date of grant for a price of $1.08 per share and
are exercisable for five years from the date of issuance. The issuance of shares
of common stock upon exercise of the PIPE Warrants may result in material
dilution to existing stockholders.



Termination of Contract with US Department of Defense





On August 3, 2022, we received notice from the DoD to terminate the Department
of Defense, JPEO Rapid Response contract, dated as of August 7, 2019 with the
DoD most recently amended as of September 14, 2021, relating to prototype
research and development of a Rapid Response Antibody Program and advanced
clinical development through licensure and commercial manufacturing for SAB-185
(the "JPEO Rapid Response Contract Termination"). No termination penalties have
been or will be incurred by us in connection therewith.



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Business Combination



On October 22, 2021, we consummated the Business Combination pursuant to that
certain Agreement and Plan of Merger, dated June 21, 2021 ("Business Combination
Agreement"), by and among BCYP, Big Cypress Merger Sub Inc., a Delaware
corporation and a direct wholly owned subsidiary of BCYP, and SAB
Biotherapeutics, Inc., which changed its name to SAB Sciences, Inc. and became
our wholly-owned subsidiary in connection with the Business Combination (and
which we refer to now as Legacy SAB). Upon completion of the Business
Combination, and pursuant to the terms of the Business Combination Agreement,
the stockholders of Legacy SAB exchanged their Legacy SAB shares for our shares
of common stock, and options to purchase shares of Legacy SAB were converted
into options to purchase our shares of common stock. Additionally, (i) we issued
10,491,937 shares of common stock to the former stockholders of Legacy SAB,
which are being held in escrow and which will be released if certain conditions
are met prior to October 22, 2026, and (ii) we granted 1,508,063 contingently
issuable restricted stock units to the holders of Legacy SAB options, which
restricted stock units will be settled in our shares of common stock if the same
conditions are met prior to October 22, 2026. For more information, see Note 1
to the Company's consolidated financial statements, Nature of Business.



Key Factors Affecting Our Results of Operations and Future Performance





We believe that our financial performance has been, and in the foreseeable
future will continue to be, primarily driven by multiple factors as described
below, each of which presents growth opportunities for our business. These
factors also pose important challenges that we must successfully address in
order to sustain our growth and improve our results of operations. Our ability
to successfully address these challenges is subject to various risks and
uncertainties, including those described in Part I, Item 1A of this Annual
Report.



Components of Results of Operations





Revenue



Our revenue has historically been generated through grants from government and
other (non-government) organizations. We currently have no commercially-approved
products.



Grant revenue is recognized for the period that the research and development
services occur, as qualifying expenses are incurred or conditions of the grants
are met. We concluded that payments received under these grants represent
conditional, nonreciprocal contributions, as described in ASC 958,
Not-for-Profit Entities, and that the grants are not within the scope of ASC
606, Revenue from Contracts with Customers, as the organizations providing the
grants do not meet the definition of a customer. Expenses for grants are tracked
by using a project code specific to the grant, and the employees also track
hours worked by using the project code.



For the years ended December 31, 2022 and 2021, we worked on the following grants:





Government grants



The total revenue for government grants was approximately $23.9 million and $60.9 million, respectively, for the years ended December 31, 2022 and 2021.

National Institute of Health - National Institute of Allergy and Infectious
Disease ("NIH-NIAID") (Federal Award #1R44AI117976-01A1) - this grant was for
$1.4 million and started in September 2019 through August 2021. The grant was
subsequently amended to extend the date through August 2022. For the years ended
December 31, 2022 and 2021, there was approximately $182,000 and $518,000,
respectively, in grant income recognized from this grant. This grant was
completed in 2022.



NIH-NIAID (Federal Award #1R41AI131823-02) - this grant was for approximately
$1.5 million and started in April 2019 through March 2021. The grant was
subsequently amended to extend the date through March 2023. For the years ended
December 31, 2022 and 2021, approximately $328,000 and $51,000, respectively, in
grant income was recognized from this grant. Approximately $429,000 in funding
remains for this grant as of December 31, 2022.



NIH-NIAID through Geneva Foundation (Federal Award #1R01AI132313-01, Subaward
#S-10511-01) - this grant was for approximately $2.7 million and started in
August 2017 through July 2021. The grant was subsequently amended to extend the
date through July 2023. For the years ended December 31, 2022 and 2021, there
was approximately $1,052,000 and $94,000, respectively, in grant income
recognized from this grant. Approximately $0.4 million in funding remaining for
this grant as of December 31, 2022.



DoD, JPEO through Advanced Technology International - this grant was for a
potential of $25 million, awarded in stages starting in August 2019 and with
potential stages running through February 2023. Additional contract
modifications were added to this agreement in 2020 for work on a COVID
therapeutic, bringing the agreement total to approximately $143 million. In
September 2021, an additional modification for $60.5 million was added to the
agreement for advanced clinical development through licensure and commercial
manufacturing, bringing the agreement total to approximately $203.6 million. For
the years ended December 31, 2022 and 2021, approximately $22.2 million and
$60.2 million, respectively, in grant income was recognized from this grant.
This grant was terminated in 2022.



The grants for JPEO Rapid Response contract are cost reimbursement agreements,
with reimbursement of our direct research and development expense (labor and
consumables) with an overhead charge (based on actual, reviewed quarterly) and a
fixed fee (9%).



On August 3, 2022, we received noticed from the DoD to terminate the JPEO Rapid
Response contract, dated as of August 7, 2019 with the DoD most recently amended
as of September 14, 2021, relating to a prototype research and development of
Rapid Response Antibody Program and advanced clinical development through
licensure and commercial manufacturing for SAB-185 (the "JPEO Rapid Response
Contract Termination").  We engaged in negotiations with the DoD to compensate
us for services provided prior to the JPEO Rapid Response Contract Termination
and costs we would be expected to bear in future periods.





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Operating Expenses


Research and Development Expenses





Research and development expenses primarily consist of salaries, benefits,
incentive compensation, stock-based compensation, laboratory supplies and
materials for employees and contractors engaged in research and product
development, licensing fees to use certain technology in our research and
development projects, fees paid to consultants and various entities that perform
certain research and testing on our behalf. Research and development expenses
are tracked by target/project code. Indirect general and administrative costs
are allocated based upon a percentage of direct costs. We expense all research
and development costs in the period in which they are incurred.



Research and development activities consist of discovery research for our platform development and the various indications we are working on. We have not historically tracked our research and development expenses on a product candidate-by-product candidate basis.





For the years ended December 31, 2022 and 2021, we had contracts with multiple
CRO to conduct and complete clinical studies. In the case of SAB-185, the CRO
has been contracted and paid by the US government - as of December 31, 2022,
there is no active CRO engaged by us in work on the SAB-185. For SAB-176, PPD
Development, LP, acting as CRO oversaw the Phase 1 safety study. The terms of
that agreement are subject to confidentiality, and the status of the agreement
is that it is current, in good standing and approximately 95% of the contract
has been paid through December 31, 2022. SAB has also contracted with hVIVO
Services Limited to conduct the Phase 2a influenza study on SAB-176. The terms
of that agreement are subject to confidentiality, and the status of the
agreement is that it is current, in good standing and approximately 95% of the
contract has been paid through December 31, 2022.



We expect to continue to incur substantial research and development expenses as
we conduct discovery research to enhance our platform and work on our
indications. We expect to hire additional employees and continue research and
development and manufacturing activities. As a result, we expect that our
research and development expenses will continue to increase in future periods
and vary from period to period as a percentage of revenue.



Major components within our research and development expenses are salaries and
benefits (laboratory & farm), laboratory supplies, animal care, contract
manufacturing, clinical trial expense, outside laboratory services, project
consulting, and facility expense. Our platform allows us to work on multiple
projects with the same resources, as the research and development process of
each product is very similar (with minimal differences in the manufacturing
process). Research and development expenses by component for the years
ended December 31, 2022 and 2021 were as follows:



                                             Year Ended December 31,
                                              2022             2021
Salaries & benefits                       $ 12,032,720     $  9,944,717
Laboratory supplies                          6,441,181       14,471,878
Animal care                                  1,560,099        4,636,515
Contract manufacturing                       5,256,518       12,665,794
Clinical trial expense                         271,283        5,299,817
Outside laboratory services                  4,561,696        4,735,373
Project consulting                             805,994        1,812,292
Facility expense                             5,354,356        3,415,518
Other expenses                                 154,666          201,685

Total research and development expenses $ 36,438,513 $ 57,183,589

General and Administrative Expenses





General and administrative expenses primarily consist of salaries, benefits and
stock-based compensation costs for employees in our executive, accounting and
finance, project management, corporate development, office administration, legal
and human resources functions as well as professional services fees, such as
consulting, audit, tax and legal fees, general corporate costs and allocated
overhead expenses. We expect that our general and administrative expenses will
continue to increase in future periods, primarily due to increased headcount to
support anticipated growth in the business and due to incremental costs
associated with operating as a public company, including costs to comply with
the rules and regulations applicable to companies listed on a securities
exchange and costs related to compliance and reporting obligations pursuant to
the rules and regulations of the SEC and stock exchange listing standards,
public relations, insurance and professional services. We expect these expenses
to vary from period to period in absolute terms and as a percentage of revenue.



Nonoperating (Expense) Income

Gain on change in fair value of warrant liabilities

Gain on change in fair value of warrant liabilities consists of the changes in the fair value of the warrant liabilities.

Gain on debt extinguishment of Paycheck Protection Program SBA Loan

Gain on extinguishment of debt consists of the forgiveness of the PPP Loan, plus accrued interest.





Other income


Other income consists of primarily of gains on disposals of fixed assets.





Interest income


Interest income consists of interest earned on cash balances in our bank accounts.





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Interest expense


Interest expense consists primarily of interest related to borrowings under notes payable for equipment.





Income Tax Expense


Income tax expense consists primarily of domestic federal and state income taxes.





Results of Operations



The following tables set forth our results of operations for the years ended
December 31, 2022 and 2021:



                                                           Year Ended December 31,
                                                           2022              2021
Revenue
Grant revenue                                          $  23,904,181     $  60,876,078
Total revenue                                             23,904,181        60,876,078
Operating expenses
Research and development                                  36,438,513        57,183,589
General and administrative                                16,383,285        17,085,692
Total operating expenses                                  52,821,798        74,269,281
Loss from operations                                     (28,917,617 )     (13,393,203 )
Other income (expense)
Changes in fair value of warrant liabilities              10,399,200        (4,151,068 )
Gain on debt extinguishment of Paycheck Protection
Program SBA Loan                                                   -           665,596
Other income                                                  33,754             5,488
Interest expense                                            (301,584 )        (294,459 )
Interest income                                               71,072            23,115
Total other income                                        10,202,442        (3,751,328 )
Loss before income taxes                                 (18,715,175 )     (17,144,531 )
Income tax expense                                            25,629                 -
Net loss                                               $ (18,740,804 )   $ (17,144,531 )

Comparison of the Years Ended December 31, 2022 and 2021





Revenue



                   Year Ended December 31,
                    2022             2021            Change          % Change
Revenue         $ 23,904,181     $ 60,876,078     $ (36,971,897 )        (60.7 )%
Total revenue   $ 23,904,181     $ 60,876,078




Revenue decreased by $37.0  million, or 60.7%, in 2022, primarily due to the
JPEO Rapid Response Contract Termination (year-over-year decrease of
$38 million, (63.1)%). Included in revenues for the year ended December 31,
2022 are $5.3 million for contract manufacturing, $3.1 million for labor, and
$5.4 million for supplies as compared to $12.7 million for contract
manufacturing, $3.9 million for fixed asset reimbursement, $6.1 million for
labor, and $16.7 million for supplies for the year ended December 31, 2021.



We anticipate future revenues will be substantially derived from current period
directly reimbursable expenses such as laboratory supplies, labor costs, and
consulting fees plus, when applicable, an overhead charge and a flat-rate fixed
fee. As a result of the JPEO Rapid Response Contract Termination, we expect
future revenues to be lower as our primary pipeline development targets of
Clostridioides difficile Infection, influenza, and immune system disorders
remain independently financed as we explore potential partnerships,
co-development opportunities, and licensing arrangements



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Research and Development



                                              Year Ended December 31,
                                               2022             2021            Change          % Change
Research and development                   $ 36,438,513     $ 57,183,589     $ (20,745,076 )        (36.3 )%
Total research and development expenses    $ 36,438,513     $ 57,183,589




Research and development expenses decreased by $20.7 million, or (36.3)%, in
2022, primarily due to decrease in laboratory supplies (year-over-year decrease
of $8.2 million, (42.7)%) , contract manufacturing costs (year-over-year
decrease of $7.4 million, (58.3)%), clinical trial and project consulting
expense (year-over-year decrease of $6.0 million, (84.5)%), and animal care
costs (year-over-year decrease of $3.1 million, (65.2)%), offset by an increase
in salaries and benefits (year-over-year increase of $2.1 million, 21.2%), and
facility costs (year-over-year increase of $1.9 million, 52.8%). Please refer to
the research and development expenses by component for the years ended December
31, 2022 and 2021 table above for additional information.



As a result of the JPEO Rapid Response Contract Termination and in tandem with
our focus on primary pipeline development targets, future period research and
development expenses will decrease as we no longer expect to incur costs of
contract manufacturing, outside laboratory services, project consulting, and
facilities costs related to the production of SABS-185.



General and Administrative



                                               Year Ended December 31,
                                                2022             2021           Change        % Change
General and administrative                  $ 16,383,285     $ 17,085,692     $ (702,407 )         (4.1 )%
Total general and administrative expenses   $ 16,383,285     $ 17,085,692




General and administrative expenses decreased by $0.7 million, or (4.1)%, in
2022, primarily due to decreased administrative salaries and benefits
(year-over-year decrease of $2.3 million), decreases in business, regulatory and
marketing consulting (year-over-year decrease of $0.7 million), offset by an
increase in insurance costs (year-over-year increase of $2.0 million), and
public reporting expenses (year-over-year increase of $0.3 million).





Non-operating (Expense) Income





                                   Year Ended December 31,
                                    2022             2021            Change         % Change
Changes in fair value of
warrant liabilities             $ 10,399,200     $ (4,151,068 )   $ 14,550,268         (350.5 )%
Gain on debt extinguishment
of Paycheck Protection
Program SBA Loan                           -          665,596     $   (665,596 )       (100.0 )%
Other income                          33,754            5,488     $     28,266          515.1 %
Total non-operating (expense)
income                          $ 10,432,954     $ (3,479,984 )




Total non-operating (expense) income changed by $13.9 million in 2022, primarily
due to changes in the fair value of the warrant liabilities, partially offset by
the forgiveness of the PPP Loan, plus accrued interest, in the first quarter of
2021.



Interest Expense



                           Year Ended December 31,
                             2022             2021        Change      % Change
Interest expense         $    301,584       $ 294,459     $ 7,125           2.4 %
Total interest expense   $    301,584       $ 294,459




Interest expense remained largely unchanged in 2022, driven by adding no new
Finance Leases or other interest-bearing debt. We expect interest expense to
increase in future periods as the accrued interest payable under the 8%
Unsecured Convertible Note is realized over a full year.



Interest Income



                          Year Ended December 31,
                            2022             2021         Change       % Change
Interest income         $     71,072       $  23,115     $ 47,957          207.5 %
Total interest income   $     71,072       $  23,115

Interest income increased by $47,957 in 2022, primarily due to higher average cash balances and higher interest rates on cash deposits.


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Liquidity and Capital Resources





As of December 31, 2022 and December 31, 2021, we had $15.0 million and
$33.2 million, respectively, of cash and cash equivalents. Additionally, as of
December 31, 2021  we had $6.3 million in restricted cash held in escrow pending
the final settlement of the Forward Share Purchase Agreement. Upon final
settlement of the Forward Share Purchase Agreement during the first quarter of
2022, $817,060 in cash was released to us and the remaining $5.5 million was
delivered to Radcliffe for the repurchase of 546,658 shares of our common stock.
To date, we have primarily relied on grant revenue in the form of government
grants and the sale of preferred stock.



Our standard repayment terms for accounts receivable are thirty days from the
invoice date. As a majority of our accounts receivable is from work performed
under government grants, we have not had an uncollectible accounts receivable
amount in over 5 years. As of the date this annual report has been made
available for issuance, our entire $5.6 million balance of accounts receivables
as of December 31, 2022 has been fully collected.



We intend to continue to invest in our business and, as a result, may incur
operating losses in future periods. We expect to continue to invest in research
and development efforts towards expanding our capabilities and expertise along
our platform and the primary pipeline development targets we are working on, as
well as building our business development team and marketing our solutions to
partners in support of the growth of the business.



We anticipate that we will continue to generate losses for the foreseeable future, and we expect the losses to increase as we continue the development of, and seek regulatory approvals for, our product candidates, and begin commercialization of our products. As a result, we will require additional capital to fund our operations in order to support our long-term plans, in particular, following the JPEO Rapid Response Contract Termination.





We have incurred operating losses for the past several years. While we intend to
continue to keep operating expenses at a reduced level there can be no assurance
that our current level of operating expenses will not increase or that other
uses of cash will not be necessary. Based on our current level of operating
expenses, existing cash and cash equivalents may not be sufficient to cover
operating cash needs through the twelve months following the date these
financials are  made available for issuance. We intend to seek additional
capital through equity and/or debt financings, collaborative or other funding
arrangements. Should we seek additional financing from outside sources, we may
not be able to raise such financing on terms acceptable to us or at all. If we
are unable to raise additional capital when required or on acceptable terms, we
may be required to scale back or discontinue the advancement of product
candidates, reduce headcount, liquidate our assets, file for bankruptcy,
reorganize, merge with another entity, or cease operations.



Sources of Liquidity


Since our inception, we have financed our operations primarily from revenue in the form of government grants and from equity financings.

Equity Financings and Option Exercises





As of December 31, 2022, we have raised approximately $90.2 million since our
inception from the issuance and sale of convertible preferred shares, net of
issuance costs associated with such financings, the Business Combination with
BCYP, and exercises of employee stock options.



Notes payable and Convertible Debt

As of December 31, 2022 and 2021 we had total debt balances of $1,314,309 and $1,796,724, respectively.





8% Unsecured Convertible Note

Pursuant to the Fourth Amendment to our lease with Sanford Health, we agreed to
a period of Abated Rent from October 1, 2022 to September 30, 2023 pertaining to
our leased laboratory bay at the Sanford Research Center. In exchange for the
Abated Rent, effective as of October 1, 2022, we issued to Sanford Health an 8%
unsecured, convertible promissory note (the "8% Unsecured Convertible Note").

Pursuant to the 8% Unsecured Convertible Note, we shall pay the sum of $541,644
(the "Principal") plus accrued and unpaid interest thereon on September 31, 2024
(the "Maturity Date"). Simple interest shall accrue on the outstanding Principal
from and after the date of the October Note, and shall be payable on the
Maturity Date. Sanford Health shall have the right, but not the obligation, to
convert all or any part of the outstanding Principal of the 8% Unsecured
Convertible Note, together with any accrued and unpaid interest thereon to the
date of such conversion, into such number of fully paid and non-assessable
shares of the Company's common stock, at any time and from time to time, prior
to the later of the Maturity Date and the date on which the 8% Unsecured
Convertible Note is paid in full, subject to certain restrictions, at a
conversion price per share of Common Stock equal to greater of (x) $1.50 and (y)
the price at which the Company sells shares of common stock in any bona fide
private or public equity financing prior to the Maturity Date.



Other Notes Payable



On March 27, 2020, President Trump signed into law the "Coronavirus Aid, Relief
and Economic Security Act ("CARES Act"). In April 2020, we entered into the PPP
Loan with First Premier Bank under the PPP, which is part of the CARES Act
administered by the SBA. As part of the application for these funds, we, in good
faith, certified that the current economic uncertainty made the loan request
necessary to support our ongoing operations. The certification further requires
us to take into account our current business activity and our ability to access
other sources of liquidity sufficient to support ongoing operations in a manner
that is not significantly detrimental to the business. Under the PPP, we
received proceeds of approximately $661,612. In accordance with the requirements
of the PPP, we utilized the proceeds from the PPP Loan primarily for payroll
costs. The PPP Loan has a 1.00% interest rate per annum, matures in April 2022
and is subject to the terms and conditions applicable to loans administered by
the SBA under the PPP. Under the terms of PPP, all or certain amounts of the PPP
Loan may be forgiven if they are used for qualifying expenses, as described in
the CARES Act. We recorded the entire amount of the PPP Loan as debt. Under the
terms of the PPP Loan, monthly payments of principal and interest were due to
commence November 1, 2020, however, the SBA is deferring loan payments for
borrowers who apply for loan forgiveness until the SBA remits the borrower's
loan forgiveness amount to the lender. An application for forgiveness of the PPP
Loan was completed in February 2021. In March 2021, the SBA approved the
forgiveness of the PPP Loan, plus accrued interest. We recorded a gain on
extinguishment of PPP Loan of $665,596 for the forgiveness of the PPP Loan and
accrued interest within gain on debt extinguishment of Paycheck Protection
Program SBA Loan on the consolidated statement of operations for the year ended
December 31, 2021.



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Insurance Financing



We obtained financing for certain Director & Officer liability insurance policy
premiums. The agreement assigns First Insurance Funding (Lender) a first
priority lien on and security interest in the financed policies and any
additional premium required in the financed policies including (a) all returned
or unearned premiums, (b) all additional cash contributions or collateral
amounts assessed by the insurance companies in relation to the financed policies
and financed by Lender, (c) any credits generated by the financed policies, (d)
dividend payments, and (e) loss payments which reduce unearned premiums. If any
circumstances exist in which premiums related to any Financed Policy could
become fully earned in the event of loss, Lender shall be named a loss-payee
with respect to such policy.



The total premiums, taxes and fees financed is approximately $1,236,000 with an
annual interest rate of 5.47%. In consideration of the premium payment by Lender
to the insurance companies or the Agent or Broker, we unconditionally promise to
pay Lender the amount Financed plus interest and other charges permitted under
the Agreement. At December 31, 2022 and 2021 we recognized approximately
$773,000 and $1,772,000, respectively, as insurance financing note payable in
its consolidated balance sheet. We will pay the insurance financing through
installment payments with the last payment being on September 22, 2023.



In December 2017, we entered into a loan agreement with a financial institution
for the purchase of a tractor for $116,661 at 3.6%. The loan included annual
payments of $25,913 for the next five years starting in December 2018. The
tractor was paid off in full in November 2022.



Please refer to Note 11 in our consolidated financial statements, Notes Payable, for additional information on our debt.





Cash Flows



The following table summarizes our cash flows for the years ended December 31,
2022 and 2021:



                                                         2022               2021

Net cash provided (used) by operating activities $ (23,459,511 ) $ 1,986,873 Net cash used in investing activities

                   (2,090,024 )      (10,943,657 )
Net cash provided by financing activities                1,051,411         

35,891,419


Net decrease in cash, cash equivalents, and
restricted cash                                     $  (24,498,124 )   $   26,934,635




Operating Activities



Net cash provided (used) by operating activities decreased by $25.4 million in
2022, primarily due to a $15.5 million decrease in operating income, an $11.9
million increase in non-cash working capital, offset by an increase of $2.7
million in non-cash expenses. Year-over-year changes in cash provided (used) by
operating activities is explained by shifts in the company's non-cash working
capital balances as we continue to advance our lead programs after the JPEO
Rapid Response Contract Termination.



Investing Activities



Net cash used in investing activities increased by $8.9 million in 2022,
primarily due to a decrease in purchases of equipment as new equipment purchases
under the JPEO Rapid Response Contract were substantially completed in 2021.
Capital asset purchases completed in 2022 relate substantially to leasehold
improvements at the Corporate Headquarters and completion of the clinical
manufacturing facility at the Sanford Research Center.



Financing Activities



Net cash provided by financing activities decreased by $34.8 million in 2022,
primarily due to $34.4 million in proceeds from the Business Combination being
fully realized in 2021. In 2022, we received $7.7 million of funds (net of
issuance costs) from the issuance of common stock in a private placement, offset
by utilizing $6.3 million of restricted cash to settle the Forward Share
Purchase Agreement.



Contractual Obligations and Commitments





The following table summarizes our contractual obligations and commitments as of
December 31, 2022:



                                                              Payments Due by Period
                                                  Less than 1
                                     Total            year          1-3 years      3-5 years       Over 5 years
Notes payable                     $ 1,314,309     $    772,665     $   541,644     $        -     $            -

Operating lease liabilities (1) 896,838 528,520 368,318

              -                  -
Finance lease liabilities (1)       6,395,321          406,339         802,992        802,992          4,382,998
Total                             $ 8,606,468     $  1,707,524     $ 1,712,954     $  802,992     $    4,382,998

(1) We are party to certain contractual arrangements for equipment, lab space,

and an animal facility, which meet the definition of leases under FASB ASC


    Topic 842, Leases ("ASC 842").




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We enter into contracts in the normal course of business with third parties, including CROs. These payments are not included in the table above, as the amount and timing of such payments are not known.

As of December 31, 2022, there were no material changes outside of the ordinary course of business to our commitments and contractual obligations.





Income Taxes



We had $22.0 million of federal net operating loss carryforwards as of December
31, 2022. Our carryforwards are subject to review and possible adjustment by the
appropriate taxing authorities.



These carryforwards may generally be utilized in any future period but may be
subject to limitations based upon changes in the ownership of our shares in a
prior or future period. We have not quantified the amount of such limitations,
if any.



Going Concern


A fundamental principle of the preparation of financial statements in accordance with GAAP is the assumption that we will continue in existence as a going concern, which contemplates continuity of operations and the realization of assets and settlement of liabilities occurring in the ordinary course of business.





As of December 31, 2022, we have experienced net losses, negative cash flows
from operations and had an accumulated deficit of $47.9 million. We anticipate
we will continue to generate losses for the foreseeable future, and expects the
losses to increase as we continue the development of, and seek regulatory
approvals for, product candidates, and begin commercialization of products. As a
result, we will require additional capital to fund operations in order to
support long-term plans, in particular, following the JPEO Rapid Response
Contract Termination. These factors raise substantial doubt about our ability to
continue as a going concern for the one-year period following the date that
these financial statements were issued.



To continue as a going concern, we will need, among other things, to raise
additional capital resources. We plan to seek additional funding through a
combination of equity or debt financings, or other third-party financing,
collaborative or other funding arrangements. Should we seek additional financing
from outside sources, we may not be able to raise such financing on terms
acceptable to us or at all. If we are unable to raise additional capital when
required or on acceptable terms, we may be required to scale back or discontinue
the advancement of product candidates, reduce headcount, liquidate our assets,
file for bankruptcy, reorganize, merge with another entity, or cease operations.



The consolidated financial statements for December 31, 2022, have been prepared
on the basis that we will continue as a going concern, and does not include any
adjustments to reflect the possible future effects on the recoverability and
classification of assets or the amounts and classification of liabilities that
may result from the possible inability for us to continue as a going concern.



Off-Balance Sheet Arrangements





We did not have, for the periods presented, and we do not currently have, any
off-balance sheet financing arrangements or any relationships with
unconsolidated entities or financial partnerships, including entities sometimes
referred to as structured finance or special purpose entities, that were
established for the purpose of facilitating off-balance sheet arrangements or
other contractually narrow or limited purposes.



Critical Accounting Policies and Estimates





We have prepared our consolidated financial statements in accordance with U.S.
GAAP. Our preparation of these consolidated financial statements requires us to
make estimates, assumptions and judgments that affect the reported amounts of
assets, liabilities, revenue, expenses and related disclosures. We evaluate our
estimates and judgments on an ongoing basis. We base our estimates on historical
experience and on various other factors that we believe are reasonable under the
circumstances, the results of which form the basis for making judgments about
the carrying value of assets and liabilities that are not readily apparent from
other sources. Actual results could therefore differ materially from these
estimates under different assumptions or conditions.



While our significant accounting policies are described in more detail in Note
3 in our consolidated financial statements, Summary of Significant Accounting
Policies, we believe the following accounting policies to be critical to the
judgments and estimates used in the preparation of our consolidated financial
statements.



Revenue Recognition


Our revenue is primarily generated through grants from government and other (non-government) organizations.





Grant revenue is recognized for the period that the research and development
services occur, as qualifying expenses are incurred or conditions of the grants
are met. We concluded that payments received under these grants represent
conditional, nonreciprocal contributions, as described in ASC 958,
Not-for-Profit Entities, and that the grants are not within the scope of ASC
606, Revenue from Contracts with Customers, as the organizations providing the
grants do not meet the definition of a customer. Expenses for grants are tracked
by using a project code specific to the grant, and the employees also track
hours worked by using the project code.



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Stock-Based Compensation



We recognize compensation cost relating to stock-based payment transactions
using a fair-value measurement method, which requires all stock-based payments
to employees, directors, and non-employee consultants, including grants of stock
options, to be recognized in operating results as compensation expense based on
fair value over the requisite service period of the awards. Prior to the
Business Combination, the grant date fair value of our common stock was
typically determined by our board of directors with the assistance of management
and a third-party valuation specialist. Subsequent to the Business Combination,
the board of directors elected to determine the fair value of our post-merger
common stock based on the closing market price at closing on the date of grant.
In determining the fair value of our stock-based awards, we utilize the
Black-Scholes option-pricing model, which uses both historical and current
market data to estimate fair value. The Black-Scholes option-pricing model
incorporates various assumptions, such as the value of the underlying common
stock, the risk-free interest rate, expected volatility, expected dividend yield
and expected life of the options. For awards with performance-based vesting
criteria, we estimate the probability of achievement of the performance criteria
and recognize compensation expense related to those awards expected to vest. No
awards may have a term in excess of ten years. Forfeitures are recorded when
they occur. Stock-based compensation expense is classified in our consolidated
statements of operations based on the function to which the related services are
provided. We recognize stock-based compensation expense over the expected term.



In addition to considering the results of the independent third-party
valuations, our board of directors considered various objective and subjective
factors to determine the fair value of our common shares as of each grant date,
which may be a date other than the most recent independent third-party valuation
date, including:


? the prices at which we most-recently sold preferred shares and the superior

rights and preferences of the preferred shares relative to our common shares

at the time of each grant;

? the lack of liquidity of our equity as a private company;

? our stage of development and business strategy and the material risks related

to our business and industry;

? our financial condition and operating results, including our levels of

available capital resources and forecasted results;

? developments in our business, including the achievement of milestones such as

entering into partnering agreements;

? the valuation of publicly traded companies in the life sciences,

biopharmaceutical and healthcare technology sectors, as well as recently

completed mergers and acquisitions of peer companies;

? any external market conditions affecting our industry, and trends within our

industry;

? the likelihood of achieving a liquidity event for the holders of our preferred

shares and holders of our common shares, such as an initial public offering,

or IPO, or a sale of our company, given prevailing market conditions; and

? the analysis of IPOs and the market performance of similar companies in our


    industry.




The assumptions underlying these valuations represented management's best
estimates, which involved inherent uncertainties and the application of
management's judgment. As a result, if factors or expected outcomes change and
we use significantly different assumptions or estimates, the fair value of our
common shares and our stock-based compensation expense could be materially
different.



See Note 13 in our consolidated financial statements, Stock Option Plan, for
information concerning certain specific assumptions we used in applying the
Black-Scholes option pricing model to determine the estimated fair value of our
stock options granted for the years ended December 31, 2022 and 2021.



Stock-based compensation expense was $2.7 million and $2.3 million for the years
ended December 31, 2022 and 2021, respectively. As of December 31, 2022 we
had $4.2 million of total unrecognized stock-based compensation cost related to
non-vested options, which we expect to recognize in future operating results
over a weighted-average period of 3.17 years. Total unrecognized compensation
cost related to non-vested stock awards as of December 31, 2022, was
approximately $0.5 million and is expected to be recognized within future
operating results over a weighted-average period of 3.46 years.



Warrant Valuations



Liability Classified Warrants



We are required to periodically estimate the fair value of our Private Placement
Warrant liabilities with the assistance of an independent third-party valuation
firm. The assumptions underlying these valuations represented our best
estimates, which involved inherent uncertainties and the application of
significant levels of our judgment. The fair value of our Public Warrant
liabilities is determined by reference to the quoted market price.



The warrants are accounted for as liabilities in accordance with ASC 815-40,
Derivatives and Hedging-Contracts in Entity's Own Equity, and were presented
within warrant liabilities on the consolidated balance sheet as of December 31,
2022. The initial fair value of the warrant liabilities was measured at fair
value on the Closing Date, and changes in the fair value of the warrant
liabilities were presented within changes in fair value of warrant liabilities
in the consolidated statement of operations for the year ended December 31,
2022.



On the Closing Date, we established the fair value of the Private Placement
Warrants utilizing both the Black-Scholes Merton formula and a Monte Carlo
Simulation ("MCS") analysis. Specifically, we considered a MCS to derive the
implied volatility in the publicly-listed price of the Public Warrants. We then
considered this implied volatility in selecting the volatility for the
application of a Black-Scholes Merton model for the Private Placement Warrants.
We determined the fair value of the Public Warrants by reference to the quoted
market price.



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The Public Warrants were classified as a Level 1 fair value measurement, due to
the use of the quoted market price, and the Private Placement Warrants held
privately by Big Cypress Holdings LLC, a Delaware limited liability company
which acted as our sponsor in connection with the IPO (the "Sponsor"), were
classified as a Level 3 fair value measurement, due to the use of unobservable
inputs.


The measurement as of December 31, 2021 for the Public Warrant liability was approximately $428,000 and the change in fair value of the Public Warrant liability was approximately $417,000 for the year ended December 31, 2022.





The key inputs into the valuations as of the Closing Date and December 31, 2022
were as follows:



                                                       December 31,         December 31,
                                                           2022                 2021
Risk-free interest rate                                          4.00 %               1.24 %
Expected term remaining (years)                                  3.81       

4.81


Implied volatility                                               82.0 %               43.0 %
Closing common stock price on the measurement date   $           0.59     $           7.81




Equity Classified Warrants



On December 7, 2022, as a part of our 2022 Private Placement, the Company issued
PIPE Private Placement Warrants to investors to purchase up to 7,363,377 shares
of Common Stock. The PIPE Private Placement Warrants, including those purchased
by the participating directors of SAB are exercisable beginning six months from
the date of issuance at an exercise price equal to $1.08 per share, and are
exercisable for five years from the date of issuance. We also issued our
placement agent, Brookline Capital Markets, PIPE Placement Agent Warrants to
purchase up to an aggregate of 210,913 shares of Common Stock The Placement
Agent Warrants have an exercise price equal to $1.35 per share and are
exercisable six months from the date of issuance and expires five years from the
date of issuance.



The PIPE Private Placement Warrants and PIPE Placement Agent Warrants met all
necessary criteria to be accounted for as equity in accordance with ASC 815-40,
Derivatives and Hedging-Contracts in Entity's Own Equity. As such, they are
presented within additional paid-in capital within Company's Consolidated
Statements of Changes in Stockholders' Equity (Deficit) and consolidated balance
sheets as of December 31, 2022.



Warrants classified as equity are initially measured at fair value. Subsequent
changes in fair value are not recognized as long as the warrants continue to be
classified as equity. The initial fair value of each PIPE Private Placement
Warrant and PIPE Placement Agent Warrant issued has been determined using the
Black-Scholes option-pricing model. All relevant terms and conditions for
the PIPE Private Placement Warrant and PIPE Placement Agent Warrant are
identical with the exception of the exercise prices of $1.08 and $1.35,
respectively; the key inputs into the valuations as of the initial measurement
date were as follows:



                                                                       Initial
                                                                     Measurement
Risk-free interest rate                                                        3.62 %
Expected term remaining (years)                                             

5.00


Implied volatility                                                          

89.0 % Closing common stock price on the measurement date, less discount for lack of marketability (1)

                             $           0.66




        As the underlying shares are restricted from sale for a period of 180
        days from the date of the 2022 Private Placement, the fair value of the

warrants were estimated using the Black-Scholes option pricing model that


    (1) uses several inputs, including market price of our common shares at the
        end of each reporting period (a level one input), less a discount for
        lack of marketability (a level two input). The discount for lack of
        marketability was estimated upon consideration of volatility and the
        length of the lock-up period.




See Note 14 in our consolidated financial statements, Fair Value Measurements,
for information concerning certain specific assumptions we used in applying the
Black-Scholes Merton formula and MCS to determine the estimated fair value of
the Private Placement Warrants, PIPE Private Placement Warrants, and PIPE
Placement Agent Warrants outstanding for the year ended December 31, 2022.



Common Stock Valuations



Prior to becoming a public company, we were required to periodically estimate
the fair value of our common stock with the assistance of an independent
third-party valuation firm, as discussed above, when issuing stock options and
computing our estimated stock-based compensation expense. The assumptions
underlying these valuations represented our best estimates, which involved
inherent uncertainties and the application of significant levels of our
judgment. In order to determine the fair value of our common stock, we
considered, among other items, previous transactions involving the sale of our
securities, our business, financial condition and results of operations,
economic and industry trends, the market performance of comparable publicly
traded companies, and the lack of marketability of our common stock.



Subsequent to the Business Combination, we now determine the fair value of our common stock based on the closing market price at closing on the date of grant.





Compensation expense related to stock-based transactions is measured and
recognized in the financial statements at fair value of our post-merger common
stock based on the closing market price at closing on the date of grant.
Stock-based compensation expense is measured at the grant date based on the fair
value of the equity award and is recognized as expense over the requisite
service period, which is generally the vesting period, on the straight-line
method. We estimate the fair value of each stock option award on the date of
grant using the Black-Scholes option-pricing model. Determining the fair value
of stock option awards at the grant date requires judgment, including estimating
the expected volatility, expected term, risk-free interest rate, and expected
dividends.



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Lease Liabilities and Right-of-Use Assets





We are party to certain contractual arrangements for equipment, lab space, and
an animal facility, which meet the definition of leases under ASC 842. In
accordance with ASC 842, we, as of January 1, 2018 (the date of adoption),
recorded right-of-use assets and related lease liabilities for the present value
of the lease payments over the lease terms. We utilized the practical expedient
regarding lease and non-lease components and have combined such items into a
single combined component. Our incremental borrowing rate was used in the
calculation of our right-of-use assets and lease liabilities.



Recently Issued Accounting Pronouncements





A description of recently issued accounting pronouncements that may potentially
impact our financial position and results of operations is disclosed in Note
4 in our consolidated financial statements, New Accounting Standards.



Impact of the COVID-19 Pandemic





In March 2020, the World Health Organization declared the outbreak of a novel
coronavirus, or COVID-19, as a pandemic, which continues to spread throughout
the U.S. and worldwide. As with many companies around the world, our day-to-day
operations were disrupted with the imposition of work from home policies and
requirements for physical distancing for any personnel present in our offices
and laboratories. The pandemic has also disrupted our activities as
shelter-in-place orders, quarantines, supply chain disruptions, travel
restrictions and other public health safety measures have impacted our ability
to interact with our existing and potential partners for our activities.
However, the COVID-19 pandemic did not materially impact our business, operating
results or financial condition. There is significant uncertainty as to the
trajectory of the pandemic and its impacts on our business in the future. We
could be materially and adversely affected by the risks, or the public
perception of the risks, related to the COVID-19 pandemic or similar public
health crises. Such crises could adversely impact our ability to conduct on-site
laboratory activities, expand our laboratory facilities, secure critical
supplies such as reagents, laboratory tools or immunized animals required for
discovery research activities, and hire and retain key personnel. The ultimate
extent of the impact of any epidemic, pandemic, outbreak, or other public health
crisis on our business, financial condition and results of operations will
depend on future developments, which are highly uncertain and cannot be
predicted, including new information that may emerge concerning the severity of
such epidemic, pandemic, outbreak, or other public health crisis and actions
taken to contain or prevent the further spread, among others. Accordingly, we
cannot predict the extent to which our business, financial condition and results
of operations will be affected. We remain focused on maintaining our operations,
liquidity and financial flexibility and continue to monitor developments as we
deal with the disruptions and uncertainties from the COVID-19 pandemic.



JOBS Act Accounting Election





We qualify as an "emerging growth company" as defined in the JOBS Act. An
emerging growth company may take advantage of reduced reporting requirements
that are not otherwise applicable to public companies. These provisions include,
but are not limited to:


? being permitted to present only two years of audited financial statements and

only two years of related Management's Discussion and Analysis of Financial

Condition and Results of Operations in this Annual Report;

? not being required to comply with the auditor attestation requirements on the

effectiveness of our internal controls over financial reporting;

? not being required to comply with any requirement that may be adopted by the

PCAOB regarding mandatory audit firm rotation or a supplement to the auditor's

report providing additional information about the audit and the financial

statements (auditor discussion and analysis);

? reduced disclosure obligations regarding executive compensation arrangements;

and

? exemptions from the requirements of holding a nonbinding advisory vote on


    executive compensation and stockholder approval of any golden parachute
    payments not previously approved.




We may use these provisions until the last day of our fiscal year in which the
fifth anniversary of the completion of our initial public offering occurred.
However, if certain events occur prior to the end of such five-year period,
including if we become a "large accelerated filer," our annual gross revenue
exceeds $1.235 billion, or we issue more than $1.0 billion of non-convertible
debt in any three-year period, we will cease to be an emerging growth company
prior to the end of such five-year period.



We have elected to take advantage of certain of the reduced disclosure
obligations in this Annual Report and may elect to take advantage of other
reduced reporting requirements in future filings. As a result, the information
that we provide to our shareholders may be different than the information you
receive from other public companies in which you hold stock.



The JOBS Act provides that an emerging growth company can take advantage of an
extended transition period for complying with new or revised accounting
standards, until those standards apply to private companies. We have elected to
take advantage of the benefits of this extended transition period and,
therefore, we will not be subject to the same new or revised accounting
standards as other public companies that are not emerging growth companies. Our
financial statements may therefore not be comparable to those of companies that
comply with such new or revised accounting standards. Until the date that we are
no longer an emerging growth company or affirmatively and irrevocably opt out of
the exemption provided by Section 7(a)(2)(B) of the Securities Act upon issuance
of a new or revised accounting standard that applies to our financial statements
and that has a different effective date for public and private companies, we
will disclose the date on which we will adopt the recently issued accounting
standard.



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