The following discussion and analysis should be read in conjunction with the
unaudited condensed consolidated financial statements and related notes included
elsewhere in this Quarterly Report on Form
10-Q
and our audited
consolidated
financial statements and related notes thereto for the year ended December
 31, 2021 included in our 2021 Annual Report on Form
10-K.
This discussion and analysis and other parts of this Quarterly Report on Form
10-Q
contain forward-looking statements based upon current beliefs, plans and
expectations that involve risks, uncertainties and assumptions, such as
statements regarding our plans, objectives, expectations, intentions and
projections. Our actual results and the timing of selected events could differ
materially from those anticipated in these forward-looking statements as a
result of several factors, including those set forth in the "Risk Factors"
section of this Quarterly Report on Form
10-Q
and in other filings with the SEC. Please also see the section entitled "Note
Regarding Forward-Looking Statements" contained in the Quarterly Report on Form
10-Q.

Pending Transaction with Regeneron Pharmaceuticals, Inc.

On April 18, 2022, we entered into an Agreement and Plan of Merger ("Merger Agreement") with Regeneron Pharmaceuticals, Inc., a New York corporation ("Parent"), and Scandinavian Acquisition Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent ("Purchaser"). Pursuant to the Merger Agreement, and upon the terms and subject to the conditions therein, Purchaser filed a tender offer on May 2, 2022, (the "Offer") to acquire all of the issued and outstanding shares of the common stock of the Company at a price per share of $10.50, to be paid to the seller in cash, without interest and subject to reduction for any applicable withholding of taxes required by applicable law. The Offer will initially remain open for 20 business days, subject to extension under certain circumstances. If successful, upon terms and conditions set forth in the Merger Agreement, Purchaser will merge with and into the Company, with the Company as the surviving corporation and as a direct wholly owned subsidiary of Parent (the "Merger"), after which the Company will cease being a standalone entity.

The Merger and related transactions are currently expected to close in the mid-2022, subject to the satisfaction or waiver of customary closing conditions. Additional information about the Merger and related transactions is set forth in our filings with the Securities and Exchange Commission ("SEC").

Overview



We are a clinical-stage biotechnology company focused on developing and
commercializing our proprietary technology to harness the power of the immune
system to combat cancer. Our product candidate, vidutolimod (formerly
CMP-001),
is a differentiated Toll-like receptor 9 ("TLR9"), agonist delivered as a
noninfectious biologic virus-like particle ("VLP"), utilizing a
CpG-A
oligonucleotide as a key component. When injected into a tumor, vidutolimod is
designed to trigger the body's innate immune system, thereby altering the tumor
microenvironment and directing activated anti-tumor T cells to attack both the
injected tumor and also tumors throughout the body. In a clinical trial of
vidutolimod in combination with a systemic checkpoint inhibitor ("CPI"), in
patients whose tumors were unresponsive or no longer responsive to a CPI, we
have observed a best objective response rate ("ORR"), of 28% (27/98), including
post-progression responders. We are evaluating vidutolimod across multiple tumor
types in combination with other immunotherapy agents. Our founder, Art Krieg,
first reported the discovery of immunostimulatory cytosine-phosphate-guanine
("CpG"), DNA in 1995, which, combined with the discovery of TLR9, led to the
recognition that synthetic
CpG-A
oligonucleotides have the potential to stimulate the TLR9 receptor for
therapeutic purposes. Our goal is to establish vidutolimod as a foundational
immuno-oncology therapy that engages the innate immune system to fight cancer
and improve outcomes for patients with a broad range of solid tumors.

Since our inception, we have devoted substantially all of our efforts and financial resources to the research and development activities related to our technology and our vidutolimod program, and the administrative support for such activities including raising capital, business planning, undertaking pre-clinical studies and clinical trials and other support activities. We do not have any products approved for sale and have not generated any revenue from product sales or any other sources and do not expect to generate any revenue for the next several years. We have not yet successfully completed any registrational clinical trials, obtained any regulatory approvals, manufactured a commercial-scale drug, or conducted sales and marketing activities.

We have funded our operations to date primarily with proceeds from the sale of preferred stock, convertible debt and common stock. Since inception, we have received net cash proceeds of $241.7 million from sales of our preferred stock, convertible debt and common stock.



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We have incurred recurring losses and had negative operating cash flows since inception and our ability to generate product revenue sufficient to achieve profitability will depend heavily on the successful development and eventual commercialization of vidutolimod or any other products we acquire or develop. Our net losses were $36.9 million and $61.4 million for the years ended December 31, 2020 and 2021, respectively, and $15.9 million for the three months ended March 31, 2022. We expect to continue to incur significant expenses and to increase operating losses for at least the next several years.

Going forward, if the Merger does not occur, we expect our expenses and capital requirements will increase substantially in connection with our ongoing activities, particularly as we:



     •    conduct our current and any additional clinical trials of vidutolimod,
          including, among others, our current Phase 2 trial in
          anti-PD-1
          refractory melanoma, our current randomized Phase 2/3 trial in first-line
          melanoma, our current Phase 2 proof of concept trial in head and neck
          squamous cell carcinoma, and our currently anticipated Phase 2 proof of
          concept trial with patient cohorts in
          anti-PD-1
          naïve and
          anti-PD-1
          refractory CSCC and MCC;



     •    conduct the necessary
          scale-up
          activities to support the potential commercialization of vidutolimod, if
          approved;



     •    conduct research and preclinical development of any future product
          candidates;



     •    hire additional clinical and scientific personnel to support our ongoing
          preclinical activities and clinical trials of vidutolimod and any other
          product candidates we choose to develop;



     •    seek marketing approval for vidutolimod and any other product candidates
          that successfully complete clinical development;



  •   acquire or
      in-license
      additional product candidates;



  •   maintain compliance with applicable regulatory requirements;



  •   maintain, expand, protect and enforce our intellectual property portfolio;



     •    develop and expand our sales, marketing and distribution capabilities for
          vidutolimod and any other product candidates for which we obtain
          marketing approval;



     •    expand our operational, financial and management systems and increase
          administrative personnel, including to support our clinical development
          and commercialization efforts and our operations as a public company;



     •    encounter continued delays or interruptions related to current
          development activities, our supply chain, or the third-parties on whom we
          rely due to the ongoing
          COVID-19
          pandemic and otherwise; and



     •    expand our infrastructure and facilities to accommodate the planned
          growth of our employee base;

As a result, if the Merger does not occur, we will need substantial additional funding to support our continuing operations and pursue our growth strategy. Until such time as we can generate significant revenue from product sales, if ever, we expect to finance our operations through a combination of equity offerings, debt financings, collaborations, strategic alliances and marketing and distribution or licensing arrangements. As a result, in the event the Merger and related transactions do not close and we remain a stand-alone company, we may be unable to raise additional funds or enter into such other agreements or arrangements when needed on favorable terms, or at all. If we fail to raise capital or enter into such agreements as, and when, needed, we may have to significantly delay, scale back or discontinue the development and commercialization of vidutolimod or any of our future product candidates.



Since our inception in 2015, through venture funding and our IPO in August 2020,
we have raised $241.7 million. Our private rounds included prominent
biotechnology institutional investors including Sofinnova Investments, venBio
Partners,
F-Prime
Capital, Decheng Capital, Longitude Capital, Novo Holdings, Medixci, Omega
Funds, Clough Capital Partners, Sectoral Asset Management, and BrightEdge, the
venture investment fund of the American Cancer Society.

Risks and Uncertainties



We are subject to risks and uncertainties common to early-stage companies in the
biotechnology industry, including, but not limited to, the outcome of clinical
trials, development by competitors of new therapeutics and technological
innovations, dependence on key personnel, protection of proprietary technology,
compliance with government regulations, ability to secure additional capital to
fund operations, and risks associated with the
ongoing COVID-19 global
pandemic or future pandemics, including known and potential additional delays
associated with our ability to enroll our ongoing trials. We are also subject to
risks related to the Merger, including our ability consummate the Merger and the
timing of the closing of the Merger, the risks that a condition to closing would
not be satisfied within the expected timeframe or at all or that the closing of
the Merger will not occur; the outcome of any legal proceedings that may be
instituted against the parties and others related to the Merger Agreement; the
occurrence of any event, change or other circumstance or condition that could
give rise to the termination of the Merger Agreement; unanticipated difficulties
or

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expenditures relating to the Merger, the response of our collaborators or other third parties to the announcement of the Merger, and/or potential difficulties in employee retention as a result of the announcement and pendency of the Merger; and the response of our stockholders to the Merger Agreement. If the Merger does not occur, there can be no assurance that we will be able to successfully raise sufficient additional capital or complete in a timely manner the development of, or receive regulatory approval for, any products developed, and if approved, that any products will be commercially viable. Any products resulting from our current research and development efforts will require significant additional research and development, including extensive preclinical and clinical testing and regulatory approval prior to commercialization. These efforts will require significant amounts of additional capital, adequate personnel, infrastructure and extensive compliance reporting capabilities. We have not generated any revenues from the sale of any products to date. Even if our product development efforts are successful, it is uncertain when, if ever, we will realize significant revenue from product sales.

If the Merger does not occur, we will need to obtain significant additional funding and may seek additional funding through private or public equity financings, debt financings, collaborations, strategic alliances and marketing, distribution or licensing agreements. If we are unable to obtain additional funding, we may be forced to delay, reduce or eliminate some or all of our research and development programs, which could adversely affect our business prospects, or we may be unable to continue operations. There is no assurance that we will be successful in obtaining sufficient funding on terms acceptable to the Company to fund continuing operations, if at all.



If the Merger does not occur, we believe that our existing cash, cash
equivalents and
available-for-sale
investments of $60.1 million as of March 31, 2022 will enable us to fund our
operating expenses and capital expenditure requirements through the end of 2022.
Because we do not have sufficient resources for our current operating plan, we
require additional external sources of capital to complete our planned clinical
programs for vidutolimod, including completing our ongoing clinical trials. We
have based this estimate on assumptions that may prove to be wrong, and we could
use our capital resources sooner than we currently expect. Because of the
uncertainty in securing additional capital, we have concluded that substantial
doubt exists with respect to our ability to continue as a going concern within
one year after the date of the filing of this Quarterly Report on
Form 10-Q.

Because of the numerous risks and uncertainties associated with pharmaceutical product development, we are unable to accurately predict the timing or amount of increased expenses or when or if we will be able to achieve or maintain profitability. Even if we are able to generate product sales, we may not become profitable. If we fail to become profitable or are unable to sustain profitability on a continuing basis, then we may be unable to continue our operations at planned levels and be forced to reduce or terminate our operations. To the extent that we raise additional capital through the sale of equity or convertible debt securities, your ownership interest will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect your rights as a common stockholder.

Inflation generally affects us by increasing our cost of labor and clinical trial costs. We do not believe that inflation had a material effect on our results of operations during the quarter ended March 31, 2022.

COVID-19



In March 2020 the World Health Organization declared the global novel
coronavirus disease 2019
("COVID-19")
a pandemic. Despite progress with distribution and administration of vaccines,
COVID-19
and its effects continue to evolve, particularly in light of emerging variants,
such as the Delta and Omicron variants. Although we have experienced some impact
of the ongoing
COVID-19
pandemic on our business and operations, including delays in initiation of study
sites and enrolling patients, we cannot currently predict the scope and severity
of any potential business shutdowns or disruptions or the resulting impact on
clinical trials as the pandemic evolves. Our clinical trials that commenced
during the
COVID-19
pandemic have been and continue to be adversely affected by the
COVID-19
pandemic, resulting in patient enrollment delays. As a result, in December 2021,
we revised our expectations with respect to the anticipated timing of clinical
data milestones in our Phase 2 clinical trial
in anti-PD-1 refractory
melanoma patients, our Phase 2/3 trial in first-line melanoma and our Phase 2
clinical trial in head and neck cancer. We are continuing to monitor the latest
developments regarding the
COVID-19
pandemic, including the emergence of new and potentially more contagious strains
of the virus, and the resulting impact on our ability to enroll our clinical
trials. The financial impact of the
COVID-19
pandemic cannot be reasonably estimated at this time and the pandemic may
continue to have a material adverse impact on our business, financial condition
and results of operations.

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Components of Our Results of Operations

Revenue

To date, we have not generated any revenue from any sources and do not expect to generate any revenue from the sale of products for the next several years. If the Merger does not occur and our development efforts for vidutolimod or any future product candidates are successful and result in regulatory approval, we may generate revenue in the future from product sales. However, we cannot predict whether, when, or to what extent we will generate revenue from the commercialization and sale of vidutolimod or any future product candidates as we may never succeed in obtaining regulatory approval for any of our product candidates. If we enter into license or collaboration agreements for any of our product candidates or intellectual property, we may generate revenue in the future from payments as a result of such license or collaboration agreements, however there can be no assurance that we will be able to enter into any license or collaboration agreements.

Operating Expenses

Research and Development Expenses

Research and development expenses consist primarily of costs incurred for our research activities and the development of our VLP technology and our vidutolimod program and include:



     •    expenses incurred in connection with the preclinical and clinical
          development of our technology and vidutolimod, including clinical trials
          under agreements with contract research organizations ("CROs"), clinical
          investigators and consultants;



     •    employee-related expenses, including salaries, benefits and travel and
          stock-based compensation expense, for employees engaged in research and
          development functions;



     •    the cost of contract manufacturing organizations ("CMOs"), that
          manufacture drug product for use in our preclinical studies and clinical
          trials and perform analytical testing,
          scale-up
          and other services in connection with our development activities;



  •   costs related to compliance with regulatory requirements;



     •    payments made under third-party licensing agreements, such as the
          exclusive license agreement we entered into in 2015 with Cytos
          Biotechnology LTD (now Kuros Biosciences AG, or "Kuros") (the "Kuros
          License Agreement");



     •    facilities and other expenses, which include direct and allocated
          expenses for facilities, insurance and supplies; and



  •   costs related to compliance with regulatory requirements.

We recognize external development costs based on an evaluation of the progress to completion of specific tasks using information provided to us by our service providers. This process involves reviewing open contracts, 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. Any nonrefundable advance payments that we make for goods or services to be received in the future for use in research and development activities are recorded as prepaid expenses. Such amounts are expensed as the related goods are delivered or the related services are performed, or until it is no longer expected that the goods will be delivered or the services rendered.

Upfront payments under license agreements are expensed upon receipt of the license, and any annual maintenance fees under license agreements are expensed in the period in which they are incurred. Milestone payments under license agreements are accrued and a corresponding expense is recognized in the period in which the milestone is determined to be probable of achievement and the related amount is reasonably estimable.

We do not track our research and development expenses by indication. Our direct external research and development expenses consist primarily of external costs, such as fees paid to CROs, CMOs, research/testing laboratories and outside consultants in connection with our preclinical development, process development, manufacturing and clinical development activities. Our direct research and development expenses also include fees incurred under licensing agreements. We do not allocate these costs to specific indications because they are deployed across the entire the vidutolimod development program and, as such, are not separately classified. We use internal resources primarily to manage our preclinical development, outsourced clinical trials, process development, manufacturing and clinical development activities. These employees work across the entire the vidutolimod development program and, therefore, we do not track their costs by indication.

Research and development activities have been central to our business model. Product candidates in later stages of clinical development generally have higher development costs than those in earlier stages of clinical development, primarily due to the



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increased size and duration of later-stage clinical trials. As a result, if the Merger does not occur, we expect that our research and development expenses will continue to increase substantially over the next several years as we advance vidutolimod into later stages of clinical development toward potential regulatory approval, advance vidutolimod for additional indications, as well as conduct translational research efforts and other preclinical and clinical development, including submitting regulatory filings for any other product candidates we may acquire or develop. In addition to the expected increase in third-party costs, we expect our personnel costs, including costs associated with stock-based compensation, will also increase substantially in the future. In addition, if and as we advance vidutolimod into potentially registrational clinical trials and, subject to positive data and regulatory approvals, potentially commercialize vidutolimod, we expect to incur additional expenses from milestone and royalty payments related to the Kuros License Agreement.

We do not believe that it is possible at this time to accurately project total program-specific expenses through commercialization of vidutolimod or any other product candidates we may acquire or develop. This is due to numerous factors, some of which are beyond our control, that are associated with the successful development and commercialization of vidutolimod and any other product candidates we may acquire or develop, including the following:



     •    the scope, progress, outcome and costs of our preclinical studies and
          clinical trials for vidutolimod or any other product candidates we may
          acquire or develop;



     •    making arrangements with third-party manufacturers for both clinical and
          commercial supplies of vidutolimod or any other product candidates;



     •    successful patient enrollment in, and the initiation and completion of
          clinical trials in a timely manner;



     •    raising additional funds necessary to complete clinical development and
          the potential commercialization, of vidutolimod or any other product
          candidates;



     •    receipt, timing and related terms of marketing approvals from applicable
          regulatory authorities;



     •    the extent of any required post-marketing approval commitments to
          applicable regulatory authorities;



  •   developing and implementing marketing and reimbursement strategies;



     •    establishing sales, marketing and distribution capabilities and launching
          commercial sales of vidutolimod or any other products, if approved,
          whether alone or in collaboration with others;



     •    acceptance of vidutolimod or any other products, if approved, by
          patients, the medical community and third-party payors;



     •    effectively competing with other therapies and/or changes in standard of
          care;



  •   obtaining and maintaining third-party coverage and adequate reimbursement;



     •    obtaining and maintaining patent, trade secret and other intellectual
          property protection and regulatory exclusivity for our product
          candidates;



  •   protecting and enforcing our rights in our intellectual property portfolio;



  •   significant and changing government regulations; and



     •    maintaining an acceptable tolerability profile of the products following
          approval, if any.


A change in the outcome of any of these variables with respect to the development of vidutolimod or any future product candidates would significantly change the costs and timing associated with the development of that product candidate. We may never succeed in obtaining regulatory approval for any product candidate.

General and Administrative Expenses

General and administrative expenses consist primarily of salaries and benefits, stock-based compensation and travel expense for personnel in executive, business development, finance, human resources, legal and support functions. General and administrative expenses also include direct and allocated facility-related costs as well as insurance costs and professional fees for legal, patent, consulting, accounting and audit services, investor and public relations services and outsourced information technology services.

If the Merger does occur, we anticipate that our general and administrative expenses will continue to increase in the future as we increase our headcount to support the continued advancement of vidutolimod toward potential commercialization and the future development of any other product candidates that we may pursue. Additionally, if we believe a regulatory approval of vidutolimod or any other product candidate appears likely, we anticipate an increase in payroll and other employee-related expenses as a result of our preparation for commercial operations to market and sell that product candidate.



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Interest Income

Interest income consists of interest earned on our cash, cash equivalent and available-for-sale investments balances. We expect that our interest income will fluctuate based on prevailing interest rates, our ability to raise additional funds, as well as the amount of expenditures for our clinical development of vidutolimod and ongoing business operations

Income Taxes

There were no provisions for income taxes for the quarters ended March 31, 2021 and 2022 because we have historically incurred operating losses and we maintain a full valuation allowance against our net deferred tax assets.

Results of operations

Comparison of the quarters ("Q1") ended March 31, 2022 and 2021



The following table summarizes our results of operations for the quarters ended
March 31, 2022 and 2021:


                                    Quarters ended               Increase
                                      March 31,
                                2022             2021           (Decrease)
                                             (in thousands)
Operating expenses:
Research and development     $    11,648      $    10,378      $      1,270
General and administrative         4,238            3,803               435

Total operating expenses          15,886           14,181             1,705
Loss from operations             (15,886 )        (14,181 )           1,705
Interest income                       19               53               (34 )

Total other income                    19               53               (34 )

Net loss                     $  (15,867)      $  (14,128)      $      1,739

Research and Development Expenses

Research and development expenses were $11.6 million in Q1 2022 compared to $10.4 million in Q1 2021. The increase of approximately $1.3 million was primarily driven by increased clinical trial cost of $1.5 million on the Company's ongoing clinical trials, increased personnel and consulting costs of $0.6 million, increased third-party spending on early stage research of $0.5 million, increased stock-based compensation costs of $0.3 million and recruiting costs of $0.1 million. These increases were partially offset by the impact of the $2.0 million milestone payment incurred and paid to Kuros in March 2021, which became payable upon initiating dosing of the first patient in a Phase 2 clinical trial and was expensed in Q1 2021, with no corresponding expense in Q1 2022.

General and Administrative Expenses

General and administrative expenses were $4.2 million in Q1 2022 compared to $3.8 million in Q1 2021. The increase of $0.4 million was primarily related to $0.3 million of professional fees incurred in Q1 2022 in connection with the aforementioned Merger and $0.2 million recruiting costs associated hiring a chief executive officer in March 2022.

Interest Income

Interest income was $19,000 for Q1 2022 compared to $0.1 million for Q1 2021. The quarter-over-quarter decrease reflects the lower investment balance in the 2022 period resulting from the funding of operational expenses.



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Liquidity and capital resources

Overview

We have funded our operations to date primarily with proceeds from the sale of preferred stock, convertible debt and common stock. Since inception and through March 31, 2022, we have received net cash proceeds of $241.7 million from sales of our preferred stock, convertible debt and common stock.



On September 7, 2021, we filed a shelf registration statement on Form
S-3
(File
No. 333-259353),
which was declared effective by the SEC on September 15, 2021 (the "Shelf
Registration Statement"). Under the Shelf Registration Statement, we may offer
and sell, from time to time, various securities in an aggregate amount of up to
$150 million. In connection with filing the Registration Statement, we entered
into an Open Market Sale Agreement
SM
(the "2021 Sales Agreement"), with Jefferies LLC ("Jefferies"), pursuant to
which we may offer and sell, from time to time, shares of our common stock
having an aggregate offering of up to $50.0 million through Jefferies as our
sales agent. As of March 31, 2022, no shares of common stock have been sold and
no net proceeds have been received by us pursuant to the 2021 Sales Agreement.

As of the date of this Quarterly Report on
Form 10-Q,
we have not generated any product sales. We do not know when, or if, we will
generate revenue from product sales. We will not generate significant revenue
from product sales unless and until we obtain regulatory approval and
commercialize one of our current or future product candidates. Our primary uses
of capital are, and, if the Merger does not occur, we expect will continue to
be, compensation and related expenses, third-party clinical and contract
manufacturing costs, legal and other regulatory expenses, and general overhead
costs. We expect 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 to
commercialize any approved products. We are subject to risks in the development
of our products, and we may encounter unforeseen expenses, difficulties,
complications, delays and other unknown factors that may adversely affect our
business. If the Merger does not occur, we expect that we will need substantial
additional funding to support our continuing operations.

As of March 31, 2022, we had an accumulated deficit of $217.3 million. If the Merger does not occur, we anticipate operating losses to continue for the foreseeable future due to, among other things, costs related conducting clinical trials and our administrative organization. We would require substantial additional financing to fund our operations and to continue to execute our strategy, and we would pursue a range of options to secure additional capital.

If we raise additional funds through collaborations, strategic alliances or marketing, distribution or licensing arrangements with third parties, we may be required to relinquish valuable rights to our technologies, future revenue streams, research programs or product candidates or to grant licenses on terms that may not be favorable to us. If we are unable to raise capital when needed or on acceptable terms, we could be forced to delay, reduce or eliminate our research and development programs or future commercialization efforts.

We believe that our existing cash, cash equivalents, and investments of $60.1 million as of March 31, 2022 will enable us to fund our operating expenses and capital expenditure requirements through the end of 2022. Because our current operating plan does not contain sufficient resources, we will require additional external sources of capital to complete the planned clinical programs for vidutolimod, including completing our ongoing clinical trials. We have based this estimate on assumptions that may prove to be wrong, and we could use our capital resources sooner than we currently expect. Because of the uncertainty in securing additional capital, we have concluded that substantial doubt exists with respect to our ability to continue as a going concern within one year after the date of the filing of this Quarterly Report on Form 10-Q.

Cash Flows



The following table summarizes our sources and uses of cash for each of the
periods presented:


                                                      Quarter Ended March 31          Increase

                                                       2022             2021         (Decrease)
                                                                  ( in thousands)
Net cash used in operating activities              $   (10,670)      $ (14,307)      $   (3,637)
Net cash provided by (used in) investing
activities                                                (527)          10,261         (10,788)
Net cash provided by financing activities                    -              118            (118)

Net decrease in cash, cash equivalents and
restricted cash                                    $   (11,197)      $  (3,928)      $     7,269




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Operating Activities

During Q1 2022, net cash used in operating activities was $10.7 million, resulting from our net loss of $15.9 million, offset by non-cash charges of $1.6 million, a reduction in prepaid assets of $1.0 million due to the amortization of prepaid directors and officers insurance costs and an increase in accounts payables and accrued expenses of $2.6 million.



During Q1 2021, net cash used in operating activities was $14.3 million,
resulting from our net loss of $14.1 million, an increase in prepaid assets of
$1.0 million due to upfront payments associated with clinical trial initiations
and reductions in accounts payables and accrued expenses of $0.6 million, which
were partially offset by
non-cash
charges of $1.4 million.

Investing Activities

Net cash used in investing activities of $0.5 million in Q1 2022 and provided by
investing activities of $10.3 million in Q1 2021 reflect net purchases and
maturities of
available-for-sale
investments.

Financing Activities

There were no cash flows from financing activities in Q1 2022.

Net cash provided by financing activities in Q1 2021 was $0.1 million and consisted of proceeds from the exercise of stock options.

Funding Requirements

If the Merger does not occur, we expect our expenses to increase substantially in connection with our ongoing activities, particularly as we advance the preclinical activities and clinical trials for vidutolimod and any other product candidates that we may develop or acquire in the future. The timing and amount of our operating expenditures will depend largely on:



  •   our ability to complete the Merger and the timing thereof;



     •    the extent to which we experience delays or interruptions to preclinical
          studies and clinical trials, to our third-party service providers on whom
          we rely, or to our supply chain due to the ongoing
          COVID-19
          pandemic or otherwise;



     •    the initiation, progress, timing, costs and results of current and future
          preclinical studies and clinical trials for vidutolimod and any other
          product candidates we may develop or acquire in the future;



     •    the cost and timing of the manufacture of additional clinical trial
          materials and the completion of commercial-scale outsourced manufacturing
          activities;



     •    the costs and timing to seek and obtain regulatory approvals for any
          product candidates that successfully complete clinical trials;



     •    the need to hire additional clinical, quality assurance, quality control
          and other scientific personnel;



  •   the number and characteristics of product candidates that we develop or may
      in-license;



     •    the outcome, timing and cost of meeting and maintaining compliance with
          regulatory requirements established by the U.S. Food and Drug
          Administration (the "FDA"), the European Medical Agency (the "EMA") and
          other comparable foreign regulatory authorities;



     •    the cost of filing, prosecuting, defending and enforcing our patent
          claims and other intellectual property rights;



  •   the terms of any collaboration agreements we may choose to enter into;



     •    the cost associated with the expansion of our operational, financial and
          management systems and increased personnel, including personnel to
          support our operations as a public company; and



     •    the cost of establishing sales, marketing and distribution capabilities
          for any product candidates for which we may receive regulatory approval
          in regions where we choose to commercialize our products, if approved, on
          our own.

Until such time, if ever, as we can generate substantial product revenue, we expect to finance our operations through a combination of equity offerings, debt financings, collaborations, strategic alliances and marketing, distribution or licensing arrangements. We do not currently have any committed external source of funds. To the extent that we raise additional capital through



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the sale of equity or convertible debt securities, ownership interests may be materially diluted, and the terms of such securities could include liquidation or other preferences that adversely affect your rights as a common stockholder. Debt financing and preferred equity financing, if available, may involve agreements that include restrictive covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures or declaring dividends. In addition, debt financing would result in fixed payment obligations. If we raise additional funds through collaborations, strategic alliances or marketing, distribution or licensing arrangements with third parties, we may have to relinquish valuable rights to our future revenue streams, research programs or product candidates or grant licenses on terms that may not be favorable to us. If we are unable to raise additional funds through equity or debt financings or other arrangements when needed, we may be required to delay, limit, reduce or terminate our research, product development or future commercialization efforts or grant rights to develop and market product candidates that we would otherwise prefer to develop and market ourselves.

Contractual obligations and other commitments

We enter into contracts in the normal course of business with CROs, CMOs and other third parties for clinical trials, preclinical research studies and testing and manufacturing services. These contracts are cancelable by us upon prior written notice. Payments due upon cancellation consist only of payments for services provided or expenses incurred, including noncancelable obligations of our service providers, up to the date of cancellation. The amount and timing of such payments are not known.

We have also entered into license and collaboration agreements with third parties, which are in the normal course of business. We have not included future payments under these agreements since obligations under these agreements are contingent upon future events such as our achievement of specified development, regulatory, and commercial milestones, or royalties on net product sales.



Pursuant to the Kuros License Agreement, we are required to make payments to
Kuros for each product that achieves certain development and regulatory
milestones. We may be obligated to make up to $56.0 million in milestone
payments to Kuros related to vidutolimod. We are also required to pay royalties
on sales of future products, if any. Through March 31, 2022, the Company has
incurred license fees and milestone payments totaling $8.3 million, including
$6.0 million in 2021. Cost incurred in 2021 relate to: (i) a $2.0 million
milestone payment in connection with the dosing of the first patient in the
Phase 2/3 first-line melanoma trial for vidutolimod, which was recognized in the
condensed consolidated statement of operations for the three months ended
March 31, 2021 and (ii) a $4.0 million milestone payment in connection with the
dosing of a first patient in a Phase 2 trial of vidutolimod in combination with
nivolumab for the treatment of patients with
anti-PD-1
refractory melanoma and to potentially support a Biologics License Application
("BLA") and marketing approval of vidutolimod, which was entirely recognized in
the condensed consolidated statements of operations for the three months ended
June 30, 2021. Future milestone payments will be due upon filing for regulatory
approval in each of the United States, Europe and the Far East and for ultimate
approval in each of those regions.

We do not currently have any long-term leases. We rent our office space in
Cambridge, Massachusetts based on a
month-to-month
license agreement with the landlord.

The Merger Agreement provides that we will be required to pay Parent a termination fee in the amount of $8.8 million if, among other reasons: (i) we elect to terminate the Merger Agreement in accordance therewith; (ii) we fail to include a favorable recommendation of the Board in the Schedule 14D-9 or in the preliminary proxy statement filed with the SEC related to the stockholder meeting approving and adopting the Merger Agreement; or (iii) the Merger Agreement is terminated by either us or Parent resulting from the failure of the parties to consummate the closing of the Merger in the timetable specified in the Merger Agreement.

Assuming successful completion of the Merger, we will incur approximately $10.0 million of closing costs to third-party advisors in accordance with contractual obligations tied to the successful closing of the transaction.

Critical Accounting Policies and Significant Judgments and Estimates

Our unaudited condensed consolidated financial statements are prepared in accordance with GAAP. The preparation of our unaudited condensed consolidated financial statements and related disclosures requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, costs and expenses. We base our estimates on historical experience, known trends and



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events and various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. We evaluate our estimates and assumptions on an ongoing basis. Our actual results may differ from these estimates under different assumptions or conditions.



Our critical accounting policies are described under the heading "Management's
Discussion and Analysis of Financial Condition and Results of Operations-
Critical Accounting Policies and Use of Estimates" in our 2021 Annual Report on
Form
10-K.
There have been no changes to the critical accounting policies during the
quarter ended March 31, 2022.

Recent accounting pronouncements

A description of recently issued and recently adopted accounting pronouncements that may potentially impact our financial position and results of operations is disclosed in Note 2 to our condensed consolidated financial statements included elsewhere in this Quarterly Report on Form 10-Q.

Emerging Growth Company and Smaller Reporting Company Status



The Jumpstart Our Business Startups Act of 2012 (the "JOBS Act"), permits an
"emerging growth company" such as us to take advantage of an extended transition
period to comply with new or revised accounting standards applicable to public
companies until those standards would otherwise apply to private companies. We
have elected to not "opt out" of this provision and, as a result, we will adopt
new or revised accounting standards at the time private companies adopt the new
or revised accounting standard and will do so until such time that we either
(i) irrevocably elect to "opt out" of such extended transition period or (ii) no
longer qualify as an emerging growth company. Other exemptions and reduced
reporting requirements under the JOBS Act for emerging growth companies include
presentation of only two years of audited consolidated financial statements in a
registration statement for an initial public offering, an exemption from the
requirement to provide an auditor's report on internal controls over financial
reporting pursuant to the Sarbanes-Oxley Act of 2012, an exemption from any
requirement that may be adopted by the Public Company Accounting Oversight Board
regarding mandatory audit firm rotation, and less extensive disclosure about our
executive compensation arrangements. We would cease to be an emerging growth
company upon the earliest of: (1) the last day of the fiscal year ending after
the fifth anniversary of our initial public offering; (2) the last day of the
fiscal year in which we have more than $1.07 billion in annual revenue; (3) the
last day of the fiscal year in which we qualify as a "large accelerated filer,"
with at least $700.0 million of equity securities held by
non-affiliates
as of the prior June 30th; or (4) the issuance, in any three-year period, by our
company of more than $1.0 billion in
non-convertible
debt securities held by
non-affiliates.

We are also a "smaller reporting company" and we may take advantage of certain
of the scaled disclosures available to smaller reporting companies until the
fiscal year following the determination that (i) the market value of our stock
held by
non-affiliates
is more than $250 million or (ii) our annual revenue was more than $100 million
during the most recently completed fiscal year and the market value of our stock
held by
non-affiliates
is more than $700 million measured on the last business day of our second fiscal
quarter. If we are a smaller reporting company at the time we cease to be an
emerging growth company, we may continue to rely on exemptions from certain
disclosure requirements that are available to smaller reporting companies.
Specifically, as a smaller reporting company we may choose to present only the
two most recent fiscal years of audited consolidated financial statements in our
Annual Report on Form
10-K
and, similar to emerging growth companies, smaller reporting companies have
reduced disclosure obligations regarding executive compensation.

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