The following discussion and analysis and the unaudited interim financial
statements included in this Quarterly Report on Form 10-Q should be read in
conjunction with the financial statements and notes thereto for the year ended
December 31, 2021 and the related Management's Discussion and Analysis of
Financial Condition and Results of Operations, both of which are contained in
the Annual Report on Form 10-K for the year ended December 31, 2021 (the 2021
Annual Report).

Forward-Looking Statements

This Quarterly Report on Form 10-Q (Quarterly Report) contains forward-looking
statements within the meaning of Section 27A of the Securities Act of 1933, as
amended, and Section 21E of the Securities Exchange Act of 1934, as amended (the
Exchange Act). All statements other than statements of historical facts
contained in this Quarterly Report, including statements regarding our future
results of operations and financial position, business strategy, research and
development plans, the anticipated timing, costs, design and conduct of our
ongoing and planned preclinical studies and planned clinical trials for our
product candidates, the timing and likelihood of regulatory filings and
approvals for our product candidates, our ability to commercialize our product
candidates, if approved, the impact on our business from the COVID-19 pandemic,
geopolitical instability, inflation, rising interest rates or other factors and
from resulting adverse effects on financial markets, the global economy, and the
supply chain, plans and objectives of management for future operations and
future results of anticipated product development efforts, are forward-looking
statements. These statements involve known and unknown risks, uncertainties and
other important factors that may cause our actual results, performance or
achievements to be materially different from any future results, performance or
achievements expressed or implied by the forward-looking statements.

In some cases, you can identify forward-looking statements by terms such as
"anticipate," "believe," "contemplate," "continue" "could," "estimate,"
"expect," "intend," "may," "plan," "potential," "predict," "project," "should,"
"target" "will" or "would" or the negative of these terms or other similar
expressions. The forward-looking statements in this Quarterly Report are only
predictions. We have based these forward-looking statements largely on our
current expectations and projections about future events and financial trends
that we believe may affect our business, financial condition and results of
operations. These forward-looking statements speak only as of the date of this
Quarterly Report and are subject to a number of risks, uncertainties and
assumptions, including, without limitation, the risk factors described in Part
II, Item 1A, "Risk Factors" of this Quarterly Report. The events and
circumstances reflected in our forward-looking statements may not be achieved or
occur and actual results could differ materially from those projected in the
forward-looking statements. Moreover, we operate in an evolving environment. New
risk factors and uncertainties may emerge from time to time, and it is not
possible for management to predict all risk factors and uncertainties. Except as
required by applicable law, we do not plan to publicly update or revise any
forward-looking statements contained herein, whether as a result of any new
information, future events, changed circumstances or otherwise. All
forward-looking statements are qualified in their entirety by this cautionary
statement, which is made under the safe harbor provisions of the Private
Securities Litigation Reform Act of 1995.

Overview



We are a precision oncology company focused on developing purpose-built
therapies to overcome tumor resistance and improve outcomes for patients with
cancer. We are using our proprietary SNÅP platform, which is optimized to enable
rapid and precise refinement of structural design through iterative molecular
SNÅPshots, in order to generate next-generation product candidates that are
specifically designed to address acquired drug resistance and provide
alternative treatment options. We are initially focused on developing a pipeline
of selective inhibitors of the Fibroblast Growth Factor Receptor (FGFR) family
members, which are altered in approximately 7% of all cancers. We are advancing
multiple product candidates toward the clinic including our lead product
candidate TYRA-300, an FGFR3 inhibitor with an initial focus on patients with
metastatic urothelial carcinoma of the bladder and urinary tract. Our second
product candidate, TYRA-200 is an FGFR1/2/3 inhibitor with potency against FGFR2
fusions, molecular brake mutations and gatekeeper resistance that TYRA is
developing initially in intrahepatic cholangiocarcinoma. We submitted an
Investigational New Drug application (IND) with the U.S. Food and Drug
Administration (FDA) for TYRA-300 in June 2022 and received clearance in July
2022 to proceed with our Phase 1/2 clinical trial of TYRA-300 (SURF301), a
two-part study designed to determine the optimal and maximum tolerated doses
(MTD) and the recommended Phase 2 dose (RP2D) of TYRA-300, as well as to
evaluate the preliminary antitumor activity of TYRA-300. We anticipate
submitting an IND with the FDA for TYRA-200 in the fourth quarter of 2022. In
addition, we have pipeline development programs targeting FGFR3-related
achondroplasia and other FGFR3-related skeletal dysplasias, FGFR4 driven
cancers, and RET (REarranged during Transfection kinase) driven cancers.
                                       15
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Since the commencement of our operations in 2018, we have devoted substantially
all of our resources to organizing and staffing the company, business planning,
raising capital, developing our proprietary SNÅP platform, undertaking research
and development activities for our development programs, establishing our
intellectual property portfolio, and providing general and administrative
support for our operations. We have not generated any revenue to date and have
funded our operations primarily from our initial public offering (IPO), private
placements of our convertible preferred stock, and the issuance of Simple
Agreements for Future Equity. Our net losses for the nine months ended September
30, 2022 and 2021 were $42.4 million and $16.4 million, respectively. As of
September 30, 2022, we had an accumulated deficit of $82.8 million. As of
September 30, 2022, we had cash and cash equivalents of $263.2 million.

We have incurred significant operating losses since inception. Our net losses
may fluctuate significantly from quarter-to-quarter and year-to-year, depending
on the timing of our clinical development activities, other research and
development activities and capital expenditures. We expect to continue to incur
significant expenses and increasing operating losses for the foreseeable future
particularly if and as we conduct preclinical studies and planned clinical
trials, continue our research and development activities, utilize third parties
to manufacture our product candidates and related raw materials, hire additional
personnel, expand and protect our intellectual property, and incur additional
costs associated with being a public company.

Based on our current operating plan, we believe that our existing cash and cash
equivalents will be sufficient to fund our operating expenses and capital
expenditures through at least 2024. We have never generated any revenue and do
not expect to generate any revenues from product sales unless and until we
successfully complete development of and obtain regulatory approval for our
product candidates, which will not be for several years, if ever. In addition,
if we obtain regulatory approval for any of our product candidates, we expect to
incur significant commercialization expenses related to product sales,
marketing, manufacturing and distribution. Accordingly, until such time as we
can generate significant revenue from sales of our product candidates, if ever,
we expect to finance our cash needs through equity offerings, debt financings or
other capital sources, including potential collaborations, licenses and other
similar arrangements. However, we may not be able to raise additional funds or
enter into such other arrangements when needed or on favorable terms, or at all.
If we are unable to raise additional capital or enter into such arrangements
when needed, we could be forced to delay, limit, reduce or terminate our
research and development programs or future commercialization efforts, or grant
rights to develop and market our product candidates even if we would otherwise
prefer to develop and market such product candidates ourselves.

The global COVID-19 pandemic continues to evolve, and we will continue to
monitor the COVID-19 situation closely. The extent of the impact of the COVID-19
pandemic on our business, operations and development timelines and plans remains
uncertain, and will depend on certain developments, including the duration and
spread of the pandemic and its impact on our development activities, contract
research organizations (CROs), third-party manufacturers and other third parties
with whom we do business, as well as its impact on regulatory authorities and
our key scientific and management personnel.

Components of Results of Operations

Operating Expenses

Research and Development Expenses



To date, our research and development expenses consist primarily of external and
internal costs related to the development of our SNÅP platform and our product
candidates and development programs. Our research and development expenses
primarily include:

•
external costs, including:

•
expenses incurred in connection with conducting clinical trials, including
investigator grants and site payments for time and pass-through expenses and
expenses incurred under agreements with CROs, central laboratories and other
vendors and service providers engaged to conduct our trials;


expenses incurred in connection with the discovery and preclinical development
of our product candidates, including under agreements with third parties, such
as consultants and CROs;

costs associated with consultants for chemistry, manufacturing and controls, or CMC development, and other services; and

the cost of manufacturing compounds for use in our preclinical studies, including under agreements with third parties, such as consultants and third-party manufacturers; and


                                       16
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•
internal costs, including:

•

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

the costs of laboratory supplies and acquiring, developing and manufacturing preclinical study materials; and

facilities, depreciation and other expenses, which include allocated expenses for rent and maintenance of facilities, and supplies.



We expense research and development expenses in the periods in which they are
incurred. External expenses are recognized based on an evaluation of the
progress to completion of specific tasks using information provided to us by our
service providers or our estimate of the level of service that has been
performed at each reporting date. We track external expenses on a development
program and other program specific basis. However, we do not track internal
costs on a program specific basis because these costs primarily relate to
compensation, early research and consumable costs, which are deployed across
multiple programs under development.

Research and development activities are central to our business model. There are
numerous factors associated with the successful development of any of our
product candidates, including future trial design and various regulatory
requirements, many of which cannot be determined with accuracy at this time
based on our stage of development. In addition, future regulatory factors beyond
our control may impact our clinical development programs. Product candidates in
later stages of development generally have higher development costs than those
in earlier stages of development. As a result, we expect that our research and
development expenses will increase substantially over the next several years as
we advance our product candidates through preclinical studies into and through
clinical trials, continue to discover and develop additional product candidates
and expand our pipeline, maintain, expand, protect and enforce our intellectual
property portfolio, and hire additional personnel.

Our future research and development expenses may vary significantly based on a wide variety of factors such as:

the number and scope, rate of progress, expense and results of our discovery and preclinical development activities and clinical trials;

the number of trials required for approval;

the number of sites included in the trials;

the countries in which the trials are conducted;

the length of time required to enroll eligible patients;

the number of patients that participate in the trials;

the number of doses that patients receive;

the drop-out or discontinuation rates of patients;

potential additional safety monitoring requested by regulatory agencies;

the duration of patient participation in the trials and follow-up;

the phase of development of the product candidate;

the efficacy and safety profile of the product candidate;

the timing, receipt, and terms of any approvals from applicable regulatory authorities including the FDA and non-U.S. regulators;

maintaining a continued acceptable safety profile of our product candidates following approval, if any;

the cost and timing of manufacturing our product candidates;


                                       17
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significant and changing government regulation and regulatory guidance;


the impact of any business interruptions to our operations or to those of the
third parties with whom we work, particularly in light of the COVID-19 pandemic
environment;

geopolitical instability, such as the military conflict in the Ukraine;

adverse effects on the financial markets, the global economy, the supply chain and our expenses due to the COVID-19 pandemic, geopolitical instability, inflation, rising interest rates and other factors; and

the extent to which we establish additional strategic collaborations or other arrangements.

A change in the outcome of any of these variables with respect to the development of any of our product candidates could significantly change the costs and timing associated with the development of that product candidate.



The process of conducting the necessary preclinical and clinical research to
obtain regulatory approval is costly and time-consuming. The actual probability
of success for our product candidates or any future candidates may be affected
by a variety of factors. We may never succeed in achieving regulatory approval
for any of our product candidates or any future candidates.

General and Administrative Expenses



General and administrative expenses consist primarily of personnel-related
expenses, including employee salaries, bonuses, benefits, and stock-based
compensation charges, for personnel in executive and administrative functions.
Other significant general and administrative expenses include legal fees
relating to intellectual property and corporate matters, professional fees for
accounting, tax and consulting services and insurance costs. We expect our
general and administrative expenses will increase for the foreseeable future to
support our increased research and development activities, manufacturing
activities, and the increased costs associated with operating as a public
company. These increased costs will likely include increased expenses related to
hiring of additional personnel, audit, legal, regulatory and tax-related
services associated with maintaining compliance with exchange listing and SEC,
requirements, director and officer insurance costs, and investor and public
relations costs.

Results of Operations

Comparison of the Three Months Ended September 30, 2022 and 2021



The following table summarizes our results of operations for the periods
indicated (in thousands):

                                     Three Months Ended September 30,
                                        2022                   2021            Change
Operating expenses:
Research and development          $          10,915       $         5,484     $  5,431
General and administrative                    2,730                 1,154        1,576
Total operating expenses                     13,645                 6,638        7,007
Loss from operations                        (13,645 )              (6,638 )     (7,007 )
Other income (expense):
Interest income                               1,131                     2        1,129
Other income (expense)                            5                    (7 )         12
Total other income (expense)                  1,136                    (5 )      1,141

Net loss and comprehensive loss $ (12,509 ) $ (6,643 )

$ (5,866 )



                                       18

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Research and Development Expenses



Research and development expenses were $10.9 million and $5.5 million for the
three months ended September 30, 2022 and 2021, respectively. The increase of
$5.4 million was primarily due to additional spend to support the advancement of
TYRA-300, TYRA-200 and our SNÅP platform, including $1.3 million of higher
personnel-related costs, which included $0.4 million of non-cash stock-based
compensation costs.

The following table summarizes our research and development expenses by
development program for the three months ended September 30, 2022 and 2021 (in
thousands):

                                                       Three Months Ended September 30,
                                                        2022                      2021

External research and development expense by


  program
TYRA-300                                          $           2,844         $           1,786
TYRA-200                                                      1,770                       601
FGFR3 ACH                                                       816                        95
RET                                                             966                       984
FGFR4                                                           463                       558
Other development programs                                      831                        16
Unallocated research and development expense
Other research and development                                  923                       411
Personnel-related expenses                                    1,651                       823
Stock-based compensation                                        651                       210
Total research and development expense            $          10,915         $           5,484



General and Administrative Expenses



General and administrative expenses were $2.7 million and $1.2 million for the
three months ended September 30, 2022 and 2021, respectively. The increase of
$1.5 million was primarily due to increases of $0.5 million in personnel-related
expenses, including $0.1 million in non-cash stock-based compensation costs,
$0.6 million in other operating expenses and $0.4 million in professional
services related to legal, accounting, and other consulting fees.

Comparison of the Nine Months Ended September 30, 2022 and 2021



The following table summarizes our results of operations for the periods
indicated (in thousands):

                                      Nine Months Ended September 30,
                                        2022                   2021            Change
Operating expenses:
Research and development          $         32,608       $         13,386     $  19,222
General and administrative                  11,301                  2,970         8,331
Total operating expenses                    43,909                 16,356        27,553
Loss from operations                       (43,909 )              (16,356 )     (27,553 )
Other income (expense):
Interest income                              1,496                      8         1,488
Other income (expense)                         (17 )                  (16 )          (1 )
Total other income (expense)                 1,479                     (8 )       1,487

Net loss and comprehensive loss $ (42,430 ) $ (16,364 )

$ (26,066 )



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Research and Development Expenses



Research and development expenses were $32.6 million and $13.4 million for the
nine months ended September 30, 2022 and 2021, respectively. The increase of
$19.2 million was primarily due to additional spend to support the advancement
of TYRA-300, TYRA-200 and our SNÅP platform, including $5.9 million of higher
personnel-related costs, which included $3.3 million of non-cash stock-based
compensation costs.

The following table summarizes our research and development expenses by
development program for the nine months ended September 30, 2022 and 2021 (in
thousands):

                                                  Nine Months Ended September 30,
                                                    2022                  2021

External research and development expense by


  program
TYRA-300                                       $         8,195       $         4,604
TYRA-200                                                 4,634                 1,991
FGFR3 ACH                                                2,208                    95
RET                                                      3,555                 1,801
FGFR4                                                    1,547                   914
Other development programs                               1,302                    23
Unallocated research and development expense
Other research and development                           2,218                   931
Personnel-related expenses                               5,217                 2,585
Stock-based compensation                                 3,732                   442

Total research and development expense $ 32,608 $

13,386

General and Administrative Expenses



General and administrative expenses were $11.3 million and $3.0 million for the
nine months ended September 30, 2022 and 2021, respectively. The increase of
$8.3 million was primarily due to increases of $5.0 million in personnel-related
expenses, including $0.7 million in non-cash stock-based compensation costs,
$1.4 million in professional services related to legal, accounting, and other
consulting fees and $1.9 million in other operating expenses.

Liquidity and Capital Resources

Sources of Liquidity

On September 17, 2021, we completed our IPO and issued 12,420,000 shares of common stock for net proceeds of approximately $181.2 million. Prior to our initial public offering, we funded our operations primarily through private placements of our convertible preferred stock with aggregate gross proceeds of $157.2 million.



Our primary uses of cash to date have been to fund our research and development
activities, including with respect to TYRA-300 and TYRA-200 and other research
programs, business planning, establishing and maintaining our intellectual
property portfolio, hiring personnel, raising capital, and providing general and
administrative support for these operations.

Cash Flows



The following table sets forth a summary of our cash flows for the periods
indicated (in thousands):

                                                  Nine Months Ended September 30,
                                                    2022                   2021

Net cash used in operating activities $ (38,305 ) $

   (14,717 )
Net cash used in investing activities                     (538 )                 (540 )
Net cash provided by financing activities                  629              

312,856

Net cash (decrease) increase for the period $ (38,214 ) $


  297,599



                                       20

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Operating Activities



Net cash used in operating activities for the nine months ended September 30,
2022 was $38.3 million, consisting primarily of our net loss of $42.4 million
and net changes in operating assets and liabilities of $3.8 million, adjusted
for $7.9 million of non-cash charges related to stock-based compensation expense
and depreciation and amortization.

Net cash used in operating activities for the nine months ended September 30,
2021 was $14.7 million, consisting primarily of our net loss of $16.4 million,
adjusted for $1.1 million of non-cash charges and $0.6 million for net changes
in operating assets and liabilities. Non-cash charges consisted primarily of
stock-based compensation expense and depreciation and amortization.

Investing Activities



Net cash used in investing activities for the nine months ended September 30,
2022 and 2021 was $0.5 million and $0.5 million, respectively, consisting of
purchases of property and equipment.

Financing Activities



Net cash provided by financing activities was $0.6 million for the nine months
ended September 30, 2022, due to proceeds received from the issuance of common
stock under benefit plans.

Net cash provided by financing activities was $312.9 million for the nine months
ended September 30, 2021, primarily due to net proceeds of $182.7 million from
our IPO, in addition to net proceeds of $23.5 million from the second closing of
our Series A convertible preferred stock, $106.1 million in net proceeds from
the issuance of our Series B convertible preferred stock, and $0.6 million from
the issuance of common stock under benefit plans.

Future Funding Requirements



Based on our current operating plan, we believe that our existing cash and cash
equivalents will be sufficient to meet our anticipated operating expenses and
capital expenditures through at least 2024. However, our forecast of the period
of time through which our financial resources will be adequate to support our
operations is a forward-looking statement that involves risks and uncertainties,
and actual results could vary materially. We have based this estimate on
assumptions that may prove to be wrong, and we could deplete our capital
resources sooner than we expect. Additionally, the process of conducting
preclinical studies and testing product candidates in clinical trials is costly,
and the timing of progress and expenses in these studies and trials is
uncertain.

Our future capital requirements will depend on many factors, including:

the initiation, type, number, scope, results, costs and timing of, our ongoing and planned preclinical studies and clinical trials of existing product candidates or clinical trials of other potential product candidates we may choose to pursue in the future, including based on feedback received from regulatory authorities;

the costs and timing of manufacturing for current or future product candidates, including commercial scale manufacturing if any product candidate is approved;

the costs, timing and outcome of regulatory review of current or future product candidates;

the costs of obtaining, maintaining and enforcing our patents and other intellectual property rights;

our efforts to enhance operational systems and hire additional personnel to satisfy our obligations as a public company, including enhanced internal controls over financial reporting;


the costs associated with hiring additional personnel and consultants as our
business grows, including additional executive officers and clinical development
personnel;

the costs and timing of establishing or securing sales and marketing capabilities if any current or future product candidate is approved;

our ability to achieve sufficient market acceptance, coverage and adequate reimbursement from third-party payors and adequate market share and revenue for any approved products;


                                       21
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costs associated with any products or technologies that we may in-license or acquire; and

delays or issues with any of the above, including the risk of each of which may be exacerbated by the ongoing COVID-19 pandemic, potential geopolitical instability, inflation or rising interest rates.



Until such time, if ever, as we can generate substantial product revenues to
support our cost structure, we expect to finance our cash needs through equity
offerings, debt financings or other capital sources, including potential
collaborations, licenses and other similar arrangements. However, we may be
unable to raise additional funds or enter into such other arrangements when
needed on favorable terms or at all. To the extent that we raise additional
capital through the sale of equity or convertible debt securities, the ownership
interest of our stockholders could be diluted, and the terms of these securities
may include liquidation or other preferences that adversely affect the rights of
our common stockholders. Debt financing and equity financing, if available, may
involve agreements that include covenants limiting or restricting our ability to
take specific actions, such as incurring additional debt, making capital
expenditures or declaring dividends. If we raise funds through collaborations,
or other similar arrangements with third parties, we may have to relinquish
valuable rights to our technologies, future revenue streams, research programs
or product candidates or grant licenses on terms that may not be favorable to us
and/or may reduce the value of our common stock. If we are unable to raise
additional funds through equity or debt financings when needed, we may be
required to delay, limit, reduce or terminate our product development or future
commercialization efforts or grant rights to develop and market our product
candidates even if we would otherwise prefer to develop and market such product
candidates ourselves.

On October 3, 2022, we entered into an ATM Sales Agreement (the Sales Agreement)
with Virtu Americas LLC (the Agent), under which we may, from time to time, sell
shares of our common stock having an aggregate offering price of up to $150.0
million in "at the market" offerings through the Agent. Sales of the shares of
common stock, if any, will be made at prevailing market prices at the time of
sale, or as otherwise agreed with the Agent. The Agent will receive a commission
from us of up to 3.0% of the gross proceeds of any shares of common stock sold
under the Sales Agreement.

We are not obligated to sell, and the Agent is not obligated to buy or sell, any
shares of common stock under the Sales Agreement. No assurance can be given that
we will sell any shares of common stock under the Sales Agreement, or, if we do,
as to the price or amount of shares of common stock that we may sell or the
dates when such sales will take place.

Contractual Obligations and Commitments



Other than disclosed below, there were no material changes outside the ordinary
course of our business during the nine months ended September 30, 2022 to the
information regarding our contractual obligations that was disclosed in
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" included in the 2021 Annual Report.

In March 2022, we entered into the Expansion Lease for additional office and
laboratory space. The Expansion Lease is expected to commence in the second half
of 2023 and projected lease payments over the life of the lease are expected to
be $5.5 million with a lease expiration of 120 months after the commencement of
the Expansion Lease. These obligations are further described in Note 10 to our
audited financial statements and Note 9 to our unaudited interim financial
statements.

The following table summarizes our contractual obligations and commitments as of
September 30, 2022, including the executed but not yet commenced, Expansion
Lease (in thousands):

                                                         Payments Due by Period
                                             Remainder of
                                Total            2022           2023-2024       2025-2026       Thereafter
Operating lease obligations   $   9,133     $           73     $     1,326

$ 1,649 $ 6,085

Critical Accounting Policies and Estimates



There have been no material changes to our critical accounting policies and
estimates during the three and nine months ended September 30, 2022, as compared
to the critical accounting policies and estimates disclosed in "Management's
Discussion and Analysis of Financial Condition and Results of Operations"
included in the 2021 Annual Report.

Recently Adopted Accounting Pronouncements

See Note 2 to our financial statements included elsewhere in this Quarterly Report on Form 10-Q for recently issued accounting pronouncements that may potentially impact our financial position and results of operations.


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