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KOD US Equity

Kodiak Sciences Inc.Health Care · Biological Products, (No Diagnostic Substances) · CIK 1468748 · FY ends Dec 31
$40.07
-0.58 (-1.43%)
USD · as of 2026-08-19 · marketstack

KOD · 10-K · period ended 2024-12-31

← all KOD documents
filed 2025-03-27 · EDGAR original ↗

Our rendering of the filing — original pagination and typography are not reproduced, and tables are reduced to their short label cells (the figures live on FA). Nothing is summarized: every line below is the filing's own text.

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10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-K

(Mark One)

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

For the fiscal year ended December 31, 2024

OR

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

For the transition period from __________ to _________

Commission File Number: 001-38682

KODIAK SCIENCES INC.

(Exact Name of Registrant as Specified in its Charter)

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (650) 281-0850

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

Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, par value $0.0001 KOD The Nasdaq Stock Market LLC

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☐No☒

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

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

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

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

Large accelerated filer ☐ Accelerated filer ☐

Non-accelerated filer ☒ Smaller reporting company ☒

Emerging growth company ☐

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

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☐

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to § 240.10D-1(b). ☐

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

The aggregate market value of the common stock held by non-affiliates of the registrant, based on the closing price of a share of the registrant’s common stock on June 28, 2024, the last business day of the registrant’s most recently completed second fiscal quarter, as reported by the Nasdaq Global Market on such date, was approximately $76.1 million. Shares of common stock held by each executive officer and director and by each other person who may be deemed to be an affiliate of the registrant, have been excluded from this computation. The determination of affiliate status for this purpose is not necessarily a conclusive determination for other purposes.

As of February 28, 2025, the registrant had 52,748,343 shares of common stock, $0.0001 par value per share, outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant’s definitive Proxy Statement relating to the 2025 Annual Meeting of Stockholders are incorporated herein by reference in Part III of this Annual Report on Form 10-K to the extent stated herein. The proxy statement will be filed with the Securities and Exchange Commission within 120 days of the registrant’s fiscal year ended December 31, 2024.

Table of Contents

Kodiak Sciences Inc.

Annual Report on Form 10-K for the Fiscal Year Ended December 31, 2024

Page

Special Note Regarding Forward-Looking Statements ii

Risk Factor Summary iv

PART I.

Item 1. Business 1

Item 1A. Risk Factors 22

Item 1B. Unresolved Staff Comments 68

Item 1C. Cybersecurity 68

Item 2. Properties 69

Item 3. Legal Proceedings 69

Item 4. Mine Safety Disclosures 69

PART II.

Item 6. Reserved 70

Item 7A. Quantitative and Qualitative Disclosures About Market Risk 82

Item 8. Financial Statements and Supplementary Data 82

Item 9A. Controls and Procedures 107

Item 9B. Other Information 107

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections 107

PART III.

Item 10. Directors, Executive Officers and Corporate Governance 108

Item 11. Executive Compensation 108

Item 14. Principal Accountant Fees and Services 108

PART IV.

Item 15. Exhibits and Financial Statement Schedules 109

i

SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Annual Report on Form 10-K contains “forward-looking statements” within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, or Exchange Act. We have based these forward-looking statements largely on our current expectations and projections about future events and financial trends affecting the financial condition of our business. Forward-looking statements should not be read as a guarantee of future performance or results and will not necessarily be accurate indications of the times at, or by, which such performance or results will be achieved. Forward-looking statements are based on information available at the time those statements are made and/or management’s good faith beliefs as of that time with respect to future events, and are subject to risks and uncertainties that could cause actual performance or results to differ materially from those expressed in or suggested by the forward-looking statements.

Forward-looking statements include all statements that are not historical facts. In some cases, you can identify forward-looking statements by terms such as “may,” “might,” “will,” “objective,” “intend,” “should,” “could,” “can,” “would,” “expect,” “believe,” “anticipate,” “project,” “target,” “design,” “estimate,” “predict,” “potential,” “plan”, “hope” or the negative of these terms, or similar expressions and comparable terminology intended to identify forward-looking statements. These statements reflect our current views with respect to future events and are based on assumptions and subject to risks and uncertainties, including those set forth under the section of this Annual Report on Form 10-K titled “Part I, Item 1A — Risk Factors” and elsewhere in this Annual Report. Forward-looking statements include, but are not limited to, statements about:

the success, cost and timing of our development activities, preclinical studies, clinical trials and regulatory filings;

our ability to obtain funding for our operations, including funding necessary to develop, manufacture and commercialize our product candidates;

the translation of our preclinical results and data and early clinical trial results in particular relating to safety, efficacy and durability into future clinical trials in humans;

the continued durability, efficacy and safety of our product candidates;

the portfolio of clinical trials planned for submission in our Biologics License Application, or BLA, of tarcocimab tedromer (formerly KSI-301, also known as tarcocimab);

the scope, progress, results and costs of developing any product candidates we have or may develop, and conducting preclinical studies and clinical trials;

the number, size and design of clinical trials that regulatory authorities may require to obtain marketing approval, including the order and number of clinical studies required to support a BLA in retinal vein occlusion, or RVO, diabetic retinopathy, or DR, and wet age-related macular degeneration, or wet AMD, or any of our current or future product candidates, including the sufficiency of a single additional pivotal study of tarcocimab tedromer and a single BLA for wet AMD, RVO and DR together;

our and Lonza’s ability to successfully execute on our manufacturing development plan;

our expectations regarding chemistry manufacturing and controls, or CMC, requirements of the United States Food and Drug Administration, or FDA, and other regulatory bodies to support any BLA submission and potential commercial launch;

our expectations regarding enhancements and benefits of new formulations of tarcocimab, KSI-501, KSI-101 or other ABC Platform derived molecules;

the timing or likelihood of regulatory filings and approvals, including the potential to achieve FDA approval of any product candidates;

our ability to obtain and maintain regulatory approval of our product candidates, and any related restrictions, limitations and/or warnings in the label of any approved product candidate;

the rate and degree of market acceptance of our product candidates;

the size and growth potential of the markets for our product candidates, if approved for commercial use, and our ability to serve those markets;

the pricing and reimbursement of our product candidates, if approved;

the success of competing products or platform technologies that are or may become available;

our plans and ability to establish sales, marketing and distribution infrastructure to commercialize any product candidates for which we obtain approval;

ii

our expectation as to the concentration of retinal specialists in the United States and its impact on our sales and marketing plans;

our expectations regarding our ability to enter into manufacturing-related commitments, and the timing thereof;

future agreements with third parties in connection with the commercialization of our product candidates;

our ability to contract with third-party suppliers and manufacturers and their ability to perform adequately;

the expected potential benefits of strategic collaboration agreements and our ability to attract collaborators with development, regulatory and commercialization expertise;

the scope of protection we are able to establish and maintain for intellectual property rights covering our product candidates and technology;

potential claims relating to our intellectual property and third-party intellectual property;

existing regulations and regulatory developments in the United States and foreign countries;

the impact of the unfavorable U.S. and global economic conditions on our business and operations, the business and operations of our collaborators, and on the global economy;

the accuracy of our estimates regarding the sufficiency of our cash resources, expenses, future revenue, capital requirements and needs for additional financing, as well as, our ability to continue as a going concern;

our financial performance;

our aspirational goals and objectives related to our human capital resources and workforce objectives; and

our ability to attract and retain key managerial, scientific and medical personnel.

All forward-looking statements are based on information available to us on the date of this Annual Report on Form 10-K and we will not update any of the forward-looking statements after the date of this Annual Report on Form 10-K, except as required by law. Our actual results could differ materially from those discussed in this Annual Report on Form 10-K. The forward-looking statements contained in this Annual Report on Form 10-K, and other written and oral forward-looking statements made by us from time to time, are subject to certain risks and uncertainties that could cause actual results to differ materially from those anticipated in the forward-looking statements, and you should not regard these statements as a representation or warranty by us or any other person that we will achieve our objectives and plans in any specified time frame, or at all. Factors that might cause such a difference include, but are not limited to, those discussed in the following discussion and within the section of this Annual Report on Form 10-K titled “Part I, Item 1A — Risk Factors”.

In addition, statements that “we believe” and similar statements reflect our beliefs and opinions on the relevant subject. These statements are based upon information available to us as of the date of this Annual Report on Form 10-K, and although we believe such information forms a reasonable basis for such statements, such information may be limited or incomplete, and our statements should not be read to indicate that we have conducted a thorough inquiry into, or review of, all potentially available relevant information. These statements are inherently uncertain and investors are cautioned not to unduly rely upon these statements.

All brand names or trademarks appearing in this Annual Report are the property of their respective holders. Unless the context requires otherwise, references in this Annual Report to “Kodiak” the “Company,” “we,” “us,” and “our” refer to Kodiak Sciences Inc. and its subsidiaries.

Kodiak®, Kodiak Sciences®, ABC®, ABC PlatformTM, ABCDTM and the Kodiak logo are registered trademarks or trademarks of Kodiak Sciences Inc. in various global jurisdictions.

iii

RISK FACTOR SUMMARY

Investing in our common stock involves numerous risks, including the risks described in “Part I, Item 1A — Risk Factors” of this Annual Report on Form 10-K, any one of which could materially adversely affect our business, financial condition, results of operations, and prospects. These risks include, among others, the following:

We are in the clinical stage of drug development and have a very limited operating history and no products approved for commercial sale, which may make it difficult to evaluate our current business and predict our future success and viability.

We have incurred significant net losses in each period since our inception and anticipate that we will continue to incur significant and increasing net losses for the foreseeable future.

Our financial condition raises substantial doubt about our ability to continue as a going concern.

If we fail to obtain additional financing, we may be unable to complete the development and, if approved, commercialization of our product candidates.

Drug development is a highly uncertain undertaking and involves a substantial degree of risk. We have never generated any revenue from product sales, and we may never generate revenue or be profitable.

Our prospects are heavily dependent on our tarcocimab, KSI-501 and KSI-101 product candidates, which are currently in clinical development for multiple indications.

The failure of pivotal studies of tarcocimab to meet their primary efficacy endpoints may lead us to pause, change or discontinue development of other product candidates based on our ABC Platform.

Our plan for the development of tarcocimab, KSI-501 or KSI-101 may be unsuccessful.

Research and development of biopharmaceutical products is inherently risky. We cannot give any assurance that any of our product candidates will receive regulatory, including marketing, approval, which is necessary before they can be commercialized.

Due to the significant resources required for the development of our product candidates, and depending on our ability to access capital, we must prioritize development of certain product candidates. Moreover, we may expend our limited resources on product candidates that do not yield a successful product and fail to capitalize on product candidates or indications that may be more profitable or for which there is a greater likelihood of success.

We may encounter substantial delays in our clinical trials, or may not be able to conduct or complete our clinical trials on the timelines we expect, if at all.

Our clinical trials may fail to demonstrate substantial evidence of the durability, efficacy and safety of our product candidates, which would prevent, delay or limit the scope of regulatory approval and commercialization.

We face significant competition in an environment of rapid technological and scientific change, and there is a possibility that our competitors may retain their market share with existing drugs, or achieve regulatory approval before us or develop therapies that are safer, more advanced or more effective than ours, which may negatively impact our ability to successfully market or commercialize any product candidates we may develop and ultimately harm our financial condition.

The regulatory approval processes of the FDA, EMA and comparable foreign regulatory authorities are lengthy, time consuming, and inherently unpredictable. If we are ultimately unable to obtain regulatory approval for our product candidates, we will be unable to generate product revenue and our business will be substantially harmed.

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

We contract with third parties for the manufacture of materials for our product candidates and preclinical studies and clinical trials and for commercialization of any product candidates that we may develop. This reliance on third parties carries and may increase the risk that we will not have sufficient quantities of such materials, product candidates or any medicines that we may develop and commercialize, or that such supply will not be available to us at an acceptable cost, which could delay, prevent or impair our development or commercialization efforts.

iv

If we are unable to obtain and maintain patent protection for any product candidates we develop or for our ABC Platform, our competitors could develop and commercialize products or technology similar or identical to ours, and our ability to successfully commercialize any product candidates we may develop, and our technology may be adversely affected.

We are highly dependent on our key personnel, and if we are not successful in attracting, motivating and retaining highly qualified personnel, we may not be able to successfully implement our business strategy.

v

PART I

ITEM 1. BUSINESS

Overview

Since its founding in 2009, Kodiak Sciences Inc. (“Kodiak,” the “Company,” “we” or “our”) has developed a new technology platform, the Antibody Biopolymer Conjugate (“ABC”) Platform, for retinal medicines. Our goal is to prevent and treat the major causes of blindness by developing and commercializing next-generation therapeutics to address multiple unmet needs on the spectrum of retinal diseases.

Kodiak has developed three clinical programs based on its internal discovery and development engine. The lead investigational medicine, tarcocimab tedromer (“KSI-301” or “tarcocimab”), is built from Kodiak’s ABC Platform and to date, has completed three successful Phase 3 pivotal clinical studies across three high prevalence retinal vascular diseases. Tarcocimab is intended to be a mainstay intravitreal biologic that provides high immediacy, driven by the enhanced formulation, and high durability, driven by the ABC Platform and our science of durability, with the ultimate objective of providing, once approved, a flexible 1-month through 6-month label for all patients who may benefit from anti-vascular endothelial growth factor (“anti-VEGF”) therapy. Tarcocimab is currently being studied in two Phase 3 clinical studies, the GLOW2 study in diabetic retinopathy (“DR”) and the DAYBREAK study in wet age-related macular degeneration (“AMD”). GLOW2 has completed enrollment, and DAYBREAK is actively enrolling. Kodiak anticipates to be in a position to announce topline data for the primary endpoint for GLOW2 in 1Q 2026 and for the primary endpoint for DAYBREAK in 2Q 2026. If both are successful, we intend to file a single Biologics License Application (“BLA”) in 2026 in the three large indications of wet AMD, retinal vein occlusion (“RVO”) and DR.

Kodiak’s second investigational medicine, KSI-501, is a first-in-class bispecific antibody biopolymer conjugate designed to inhibit interleukin-6 (“IL-6”)-mediated inflammation and VEGF-mediated vascular permeability. KSI-501 is being developed for the treatment of high prevalence retinal diseases to address the leading unmet needs targeting multiple disease biologies beyond VEGF for differentiated efficacy together with extended durability. KSI-501 is designed to provide high immediacy/efficacy, driven by the enhanced formulation, and high durability, driven by the ABC Platform and our science of durability. A Phase 1 study was conducted to evaluate KSI-501’s safety, tolerability and bioactivity. Based on the positive results from this study, Kodiak has advanced KSI-501 into the Phase 3 DAYBREAK study to evaluate its efficacy and safety in wet AMD. DAYBREAK is actively enrolling patients.

Additionally, Kodiak is developing a third investigational medicine, KSI-101, an unconjugated bispecific protein targeting IL-6 and VEGF. KSI-101 is being developed for patients who have retinal fluid and inflammation, a new market segment separate from the established anti-VEGF market. KSI-101 is a clinical program with opportunities and risks uncoupled from the ABC Platform, and as such we believe it is an important part of our portfolio. We initiated the Phase 1b study APEX to evaluate KSI-101’s safety and tolerability and to identify two dose levels to progress into Phase 2b/3 pivotal studies (PEAK and PINNACLE). We expect to initiate our pivotal program in 2Q 2025. In January 2025, we presented early APEX data in patients with macular edema secondary to inflammation (“MESI”) that demonstrated strong treatment response at all KSI-101 dose levels. We expect to present additional APEX data at an Investor R&D update in June 2025.

Beyond its clinical pipeline, Kodiak is advancing its platform technology to embed small molecules and other active pharmaceutical ingredients (“API”), into Kodiak’s proprietary biopolymer backbone to enable high drug-antibody ratio (“DAR”) medicines. The diverse APIs are designed to be released over time to achieve targeted, multi-specific and tailored modulation of biological pathways. We believe this unique combination of high DAR and extended therapeutic benefit offers potential for broad and important utility for multifactorial ophthalmic and systemic diseases. We call this platform extension our Antibody Biopolymer Conjugate Drug ("ABCD") Platform because we are extending our platform capabilities to include the conjugation of small molecule drugs whereas historically we primarily conjugated biologics such as antibodies. Our ABCD platform is advancing a next set of investigational therapies for high prevalence retinal diseases, including our novel “duet” technology for glaucoma and geographic atrophy.

In addition to advancing our pipeline, we have made progress in process development and commercial scale manufacturing, including the commissioning and regulatory approval of Ursus, our dedicated commercial-scale drug substance manufacturing facility that was custom-designed and built in collaboration with Lonza. We believe these manufacturing efforts could position Kodiak well for potential market share capture if tarcocimab and KSI-501 are approved.

1

Notably, up to this point, Kodiak has retained all global rights to make, use and sell its product candidates, which we believe preserves future value and allows for agile decision-making.

While engaged in these research and development efforts, we believe we have demonstrated a disciplined and creative approach to building and financing the Company. As of December 31, 2024, we had $168.1 million in cash and cash equivalents.

Our objective is to develop our retina-focused product candidates, seek FDA approval, and ultimately commercialize our product candidates.

Following from these efforts, we believe Kodiak has the potential to achieve our ambition of becoming an important retinal development and commercialization franchise, but we recognize there are substantial risks to realizing this potential.

Tarcocimab Clinical Program Summary and Update

Kodiak’s lead clinical program tarcocimab is an investigational anti-VEGF therapy built on Kodiak’s ABC Platform and is designed to maintain potent and effective drug levels in ocular tissues for longer than existing available agents. It is being developed as a mainstay intravitreal biologic monotherapy intended to provide high immediacy, driven by the enhanced formulation, and high durability, driven by the ABC Platform and our science of durability, with the ultimate objective of providing, once approved, a flexible 1-month through 6-month label. Kodiak’s objective with tarcocimab is to enable earlier treatment and prevention of vision loss for patients with diabetic retinopathy and to develop a new high immediacy and high durability agent to improve outcomes for patients with retinal vascular diseases.

To date, tarcocimab has been studied in six pivotal clinical studies: Phase 3 GLOW1 study in diabetic retinopathy (“DR”), Phase 3 BEACON study in retinal vein occlusion (“RVO”), Phase 3 DAYLIGHT study in wet AMD, Phase 3 GLEAM and GLIMMER studies with identical study design in diabetic macular edema (“DME”), and Phase 2/3 DAZZLE study in wet AMD. Of the six registrational studies, GLOW1, BEACON and DAYLIGHT successfully met the primary endpoint. Tarcocimab is currently being studied in two Phase 3 clinical trials, the GLOW2 study in DR and the DAYBREAK study in wet AMD. GLOW2 has completed enrollment, and DAYBREAK is actively enrolling. Kodiak anticipates to be in a position to announce topline data for the primary endpoint for GLOW2 in 1Q 2026 and for the primary endpoint for DAYBREAK in 2Q 2026. Kodiak plans to wait for DAYBREAK topline data expected 2Q 2026 in order to file a single Biologics License Application (“BLA”) for tarcocimab in wet AMD, DR and RVO.

Both GLOW2 and DAYBREAK use tarcocimab’s enhanced 50 mg/mL formulation containing both conjugated and unconjugated antibody that is intended to deliver high immediacy and high durability.

More information about study design and results, if completed, from each individual pivotal study are summarized below:

Ongoing Phase 3 Studies:

GLOW2 – Phase 3 Study in Patients with Diabetic Retinopathy

The Phase 3 GLOW2 study is the second registrational trial of tarcocimab in DR. GLOW2 has a similar design as GLOW1 in which all patients randomized to investigational therapy will receive tarcocimab on extended, 6-month dosing. GLOW2 features the benefit of an additional, third monthly loading dose (baseline, Week 4, Week 8) to explore even further benefits with tarcocimab in diabetic retinopathy patients.

GLOW2 study is a prospective, randomized, double-masked, multi-center pivotal superiority study designed to evaluate the efficacy and safety of tarcocimab in treatment-naïve patients with DR. Patients are randomized 1:1 and receive either sham injections or tarcocimab via intravitreal injection at baseline, Week 4, Week 8, Week 20 and Week 44. The primary endpoint is the proportion of eyes improving ≥2 steps on Diabetic Retinopathy Severity Scale ("DRSS") from baseline at Week 48. Additional outcome measures include the proportion of eyes developing a sight threatening complication of diabetic retinopathy and the proportion of eyes improving ≥3 steps on DRSS from baseline at Week 48.

On March 10, 2025, Kodiak announced that GLOW2 completed enrollment, randomizing more than 250 patients. Kodiak expects to be in a position to announce topline data in 1Q 2026.

2

DAYBREAK – Phase 3 Study in Patients with Wet Age-Related Macular Degeneration

The Phase 3 DAYBREAK study is a non-inferiority study evaluating parallel investigational arms of tarcocimab and KSI-501 against active comparator aflibercept. Patients randomized to tarcocimab will receive individualized dosing every 4 to 24 weeks on an as needed basis following four monthly loading doses. Patients randomized to aflibercept will be dosed per its label. The individualized dosing of tarcocimab is determined by a treat-to-dryness proactive approach, using presence of retinal fluid as a disease activity marker, instead of a combination of central subfield thickness ("CST") and vision loss, which resembles retina specialists' practice and optimizes each patient's treatment. The objectives for tarcocimab in DAYBREAK are to assess its 6-month durability potential, strengthen its competitive position in wet AMD and bolster the regulatory application package for the program.

DAYBREAK is actively enrolling patients, and Kodiak anticipates to be in a position to announce topline data for the primary endpoint in 2Q 2026.

Completed Studies:

GLOW1 – Phase 3 Study in Patients with Non-Proliferative Diabetic Retinopathy without DME

The Phase 3 GLOW1 study was a global, multi-center, randomized pivotal superiority study designed to evaluate the efficacy and safety of tarcocimab in treatment-naïve patients with moderately severe to severe DR. Patients were randomized to receive either tarcocimab every six months after initiating doses given at baseline, 8 weeks and 20 weeks into the study, or to receive sham injections. The primary endpoint was at one year.

On November 6, 2023, Kodiak announced that GLOW1 met its primary endpoint of the proportion of patients with at least a 2-step improvement on the Diabetic Retinopathy Severity Scale (DRSS) score, a grading system measuring the degree of retinopathy. Tarcocimab achieved a 29-fold increased response rate ratio, with 41.1% of evaluable patients on tarcocimab demonstrating at least 2-step improvement versus 1.4% of evaluable patients in the sham group (p-value less than 0.0001). Visual acuity and retinal anatomy were improved and stable with tarcocimab on its extended-dosing intervals. At one year, GLOW1 also met its key secondary endpoint of greater reductions in the proportion of patients developing sight-threatening complications (such as diabetic macular edema and proliferative diabetic retinopathy), versus sham, demonstrating an 89% decreased risk, achieving 21.0% versus 2.3% (p-value less than 0.0001). Tarcocimab also showed a 95% risk reduction in the development of DME, versus sham, from 13.7% on sham versus 0.7% on tarcocimab. The rates of serious ocular adverse events and intraocular inflammation in patients treated with tarcocimab and sham were similar.

BEACON – Phase 3 Study in Patients with Treatment-Naïve Retinal Vein Occlusion

The Phase 3 BEACON study was a randomized, double-masked, multicenter, active comparator-controlled study in treatment naïve patients with vision loss and macular edema due to retinal vein occlusion, including both branch ("BRVO") and central ("CRVO") subtypes. In the initial six months of the study, patients received tarcocimab on a fixed every-8-week dosing regimen following 2 monthly loading doses or aflibercept 2mg on a fixed monthly dosing regimen per its label. In the second six months of the study, tarcocimab and aflibercept were tested head-to-head according to a pro re nata (“PRN") protocol in which patients in both groups were treated only when disease reactivated according to matched predefined disease activity criteria.

In August 2022, Kodiak announced that the BEACON study met the primary efficacy endpoint of non-inferior visual acuity change from baseline at week 24 for subjects given tarcocimab every two months after 2 monthly loading doses compared to subjects given monthly aflibercept.

3

On September 7, 2023, Kodiak announced new one-year results from the BEACON study. Tarcocimab demonstrated matched efficacy with differentiated durability versus aflibercept in the head-to-head comparison. After 4 initiating doses in the first 6 months, 47% of tarcocimab-treated patients required no additional injections in the second 6 months while matching the vision and anatomic outcomes of aflibercept-treated patients. Despite receiving 6 initiating monthly doses, only 37% of aflibercept patients were injection free in the second half of the study. 77% of tarcocimab treated patients received 5 or fewer doses in year one, while 93% of aflibercept treated patients received 6 or more doses. BRVO patients received a median of 4.0 injections on tarcocimab versus 7.0 injections of aflibercept. Despite materially fewer injections in tarcocimab treated patients, vision outcomes favored tarcocimab-treated patients achieving an observed mean of 76.6 letters versus 75.6 letters for aflibercept treated patients. All RVO patients received a median of 5.0 injections on tarcocimab versus 7.0 injections of aflibercept. Despite materially fewer injections in tarcocimab treated patients, vision outcomes favored tarcocimab-treated patients achieving an observed mean of 74.6 letters versus 74.3 letters for aflibercept treated patients.

Safety and tolerability were comparable between tarcocimab and aflibercept. Intraocular inflammation (IOI) rate was comparable between groups (tarcocimab 2.5% vs aflibercept 0.7%). No cases of inflammation associated with vascular occlusion or vasculitis were reported.

DAYLIGHT – Phase 3 Study in Patients with Treatment-Naïve Wet AMD

The DAYLIGHT study was a randomized, double-masked, active comparator-controlled study evaluating the efficacy and safety of a high intensity dosing regimen of tarcocimab in 557 treatment-naïve subjects with wet AMD. On July 24, 2023, Kodiak announced that the DAYLIGHT study met the primary endpoint of non-inferior visual acuity gains at year 1 for tarcocimab dosed monthly compared to aflibercept dosed every 8 weeks following 3 monthly loading doses. Intraocular inflammation occurred in 3.3% of patients treated with monthly tarcocimab and 0.4% of patients treated with aflibercept with no vasculitis or occlusion.

GLEAM / GLIMMER – Paired Phase 3 Studies in Patients with Treatment-Naïve Diabetic Macular Edema

The GLEAM and GLIMMER studies were identically designed, randomized, double-masked, active comparator-controlled studies evaluating the efficacy, durability and safety of tarcocimab in 460 and 457 treatment-naïve subjects with DME, respectively, run in parallel.

On July 24, 2023, Kodiak announced that although high proportions of patients on meaningfully longer treatment intervals were observed with tarcocimab, with half of patients on every 24-week dosing at the primary endpoint, the GLEAM and GLIMMER studies did not meet their primary efficacy endpoints of showing non-inferior visual acuity gains for tarcocimab dosed every 8 to 24 weeks after 3 monthly loading doses compared to aflibercept given every 8 weeks after 5 monthly loading doses. At the primary efficacy endpoint of the GLEAM study, patients treated with tarcocimab gained an observed average of 6.4 eye chart letters (to 73.1 letters), compared with 10.3 letters for patients treated with aflibercept (to 76.5 letters). In GLIMMER, patients treated with tarcocimab gained an observed average of 7.4 eye chart letters at the primary endpoint (to 72.5 letters) compared with 12.2 letters (to 76.4 letters) for patients treated with aflibercept.

An unexpected increase in cataract adverse events was reported over time in the tarcocimab arms of both GLEAM and GLIMMER, with 19% on tarcocimab versus 9% on aflibercept at the primary endpoint based on the pooled safety population. Kodiak’s evaluation suggested that the decline in visual acuity associated with cataracts likely contributed meaningfully to the failure of each study.

Half of tarcocimab treated patients in the GLEAM and GLIMMER studies were on every 24-week dosing at the primary endpoint, two-thirds achieved at least one 6-month dosing interval during the studies, and three-quarters achieved at least one 5-month or longer treatment interval. Intraocular inflammation was rare, occurring in 1.3% and 0.2% of tarcocimab and aflibercept treated patients, respectively. No cases of intraocular inflammation with vasculitis or vascular occlusion were observed.

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DAZZLE – Phase 2b/3 Study in Patients with Treatment-Naïve Wet AMD

The DAZZLE study was a global, multi-center, randomized pivotal study designed to evaluate the durability, efficacy and safety of tarcocimab in patients with treatment-naïve wet AMD. In February 2022 Kodiak announced that this initial pivotal study did not meet its primary efficacy endpoint of non-inferior visual acuity gains for subjects dosed on extended regimens every 12-, 16- or 20 weeks with tarcocimab compared to subjects given aflibercept every 8 weeks. Following this announcement, Kodiak discontinued the study and concluded remaining trial-associated activities.

Antibody Biopolymer Conjugate Drug Substance Manufacturing

In August 2020, we entered into a manufacturing agreement with Lonza Ltd (“Lonza”) for the clinical and commercial supply of the Company’s antibody biopolymer conjugate drug substance which included a custom-built manufacturing facility. The manufacturing agreement has an initial term of 8 years, and the Company has the right to extend the term up to a total of 16 years. The Company and Lonza each have the ability to terminate this agreement upon the occurrence of certain events.

In April 2021, the agreement was amended to provide for greater manufacturing flexibility, to define a comprehensive mandate as an antibody biopolymer conjugates manufacturing facility to be used for the Company’s antibody biopolymer conjugates pipeline, at clinical as well as commercial scales, across a broad capacity range under the tight quality controls required for ophthalmology and retinal medicines, and to allow for future process and equipment changes as needed.

Under the agreement, Kodiak and Lonza planned a custom-built facility (“Ursus”) dedicated to the commercial-scale manufacturing of Kodiak’s drug substance. In January 2023, the custom-built manufacturing suite Ursus was commissioned as a cGMP facility. Kodiak worked together with Lonza and regulatory authorities to obtain approval for Ursus, and we released our first commercial scale cGMP batch of tarcocimab in July 2023. In October 2023, Kodiak made a final payment of $26.8 million to Lonza for final activation of Ursus. Separately, tarcocimab drug product based on our enhanced formulation was released in March 2024 and is being used in the GLOW2 and DAYBREAK pivotal studies.

KSI-501 Clinical Program Update

KSI-501 is an anti-IL-6, VEGF-trap bispecific antibody biopolymer conjugate built on the ABC Platform and is being developed for high prevalence retinal vascular diseases to address the unmet needs of extended durability and targeting disease biology beyond VEGF for differentiated efficacy. KSI-501 is designed to provide high immediacy/efficacy, driven by the enhanced formulation, and high durability, driven by the ABC Platform and our science of durability.

Higher intraocular levels of IL-6 are correlated with poorer BCVA outcomes over time in wet AMD patients treated with anti-VEGF monotherapy, which suggests that IL-6 inhibition in combination with anti-VEGF therapy could lead to improved outcomes. In preclinical models, KSI-501 was shown to be a potent inhibitor of VEGF and IL-6 and, further, was shown to normalize the blood retinal barrier, opening up the possibility that KSI-501 may be a disease-modifying therapy for retinal vascular diseases. A completed Phase 1 multiple ascending dose study demonstrated that repeated monthly dosing of KSI-501 was well tolerated and achieved clinically meaningful and sustained improvement in visual acuity and fluid reduction in patients with diabetic macular edema.

Kodiak has advanced KSI-501 into a Phase 3 study DAYBREAK to evaluate its efficacy and safety in wet AMD. The DAYBREAK study is a non-inferiority study evaluating parallel investigational arms of KSI-501 and tarcocimab against active comparator aflibercept. Patients randomized to KSI-501 will receive fixed every 8-week dosing with additional individualized dosing (up to monthly dosing) on an as needed basis after 4 monthly loading doses. Patients randomized to aflibercept will be dosed per its label. The primary endpoint is non-inferiority in change in visual acuity from baseline to the average of Week 40, 44 and 48. DAYBREAK uses KSI-501's enhanced 50 mg/mL formulation containing both conjugated and unconjugated antibody that is intended to deliver high immediacy and high durability. The objective for KSI-501 in DAYBREAK is to explore the efficacy potential of bispecific VEGF and IL-6 inhibition in a broad treatment-naïve wet AMD population. DAYBREAK is now actively enrolling patients.

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KSI-101 Clinical Program Update

KSI-101 is a novel, potent and high strength (100 mg/mL) bispecific protein targeting IL-6 and VEGF. We are developing KSI-101 for patients who have retinal fluid and inflammation. Currently there are no available intravitreal biologic therapies addressing the spectrum of inflammatory conditions of the retina. We believe that retinal inflammatory conditions represent a new market segment separate from the established anti-VEGF market. KSI-101 is a clinical prospect with opportunities and risks uncoupled from the ABC Platform, and as such is an important part of our late-phase portfolio. We have initiated a dose-finding Phase 1b study APEX. The APEX study evaluates KSI-101 in two cohorts, Cohort 1 in patients with diabetic macular edema ("DME") and Cohort 2 in patients with macular edema secondary to inflammation ("MESI"). The goal of the APEX study is to evaluate the safety and tolerability of KSI-101 and to identify two dose levels to progress into dual Phase 2b/3 studies (PEAK and PINNACLE) in MESI. In January 2025, we presented early APEX data in patients with MESI that demonstrated strong treatment response at all KSI-101 dose levels.

APEX is continuing to actively enroll patients. Kodiak intends to present new APEX clinical trial data for KSI-101 in an Investor R&D Update to be scheduled for June 2025.

KSI-501 and KSI-101 Manufacturing

We have been progressing the manufacturing of KSI-501 and KSI-101 in preparation for the anticipated clinical studies. Clinical material for both KSI-501 (50 mg/mL strength in our enhanced formulation) and KSI-101 (100 mg/mL strength) were successfully manufactured in the first quarter of 2024.

ABC Platform Development

Kodiak is advancing its platform technology to embed small molecules and other active pharmaceutical ingredients ("API") into Kodiak's proprietary biopolymer backbone to enable high drug-antibody-ratio ("DAR") medicines. The diverse APIs are designed to be released over time to achieve targeted, multi-specific and tailored modulation of biological pathways. The unique combination of high DAR and tailored therapeutic benefit offers potential for broad application to multifactorial systemic and ocular diseases and builds directly from our Antibody Biopolymer Conjugate technology and its 15 years of design, development and manufacturing experience. We call this platform extension our Antibody Biopolymer Conjugate Drug ("ABCD") Platform because we are extending our platform capabilities to include the conjugation of small molecule drugs whereas historically we primarily conjugated biologics such as antibodies.

One program is for the treatment of glaucoma, embedding in the biopolymer backbone (i) an NLRP3 small molecule inhibitor, and (ii) a second small molecule that lowers intraocular pressure ("IOP"). The NLRP3 inflammasome is an intracellular complex that drives inflammation and cell death and is known to play a key role in glaucoma progression. The goal of this duet program is to create an intravitreally injected therapy that delivers two mechanisms of action ("MOA") in a sustained release fashion, to fulfill the unmet needs in the glaucoma field for non-topical, long-durability therapy that delivers MOAs beyond IOP lowering and has the potential of quarterly dosing.

The second program is for the treatment of geographic atrophy (“GA”). There are two approved therapies, both complement inhibitors, and they require monthly or every other month intravitreal injections and neither sufficiently halts disease progression. This program at Kodiak explores the potential to embed in the biopolymer backbone (i) a macrocyclic peptide inhibitor of the complement pathway, and (ii) an NLRP3 small molecule inhibitor. The NLRP3 inflammasome is known to play a key role in AMD disease biology. The objective of this duet program is to create an intravitreally injected ABCD platform-enabled therapy with a dual mechanism of action to achieve better efficacy and extended durability, for quarterly dosing, as compared to currently approved therapies for GA.

Digital Health Platform Development

Kodiak also continues to advance its VETi (Visual Engagement Technology and imager) program. VETi is built on Kodiak’s suite of proprietary LiDAR (Light Detection and Ranging) sensor technologies. VETi is an autonomous AI- and machine-learning-enabled headset that engages directly into the eye. Kodiak’s goal is to commercialize VETi together with Kodiak’s emerging portfolio of retinal medicines using apps that apply AI-enabled tools. Kodiak also believes VETi has future potential to be used to build correlations between VETi data and many human diseases outside of retina and then to be used to diagnose disease and monitor treatment. VETi may also have future potential as an AI-enabled device with similarities to a consumer smartwatch but with direct access into the body and the brain through the eye rather than through the skin.

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Competition

The current standard of care for DR (including DME), RVO and wet AMD is intravitreal administration of anti-VEGF therapies, principally Avastin, Lucentis and Eylea, which are well-established therapies and are widely accepted by physicians, patients and third-party payors.

In addition, newer competitors have received FDA approval in recent years, such as Vabysmo (faricimab) from Roche. Vabysmo is a bispecific antibody targeting VEGF and angiopoietin-2 (Ang-2) and received FDA approval for the treatment of wet AMD and DME in January 2022 and received FDA approval for RVO in October 2023. Vabysmo demonstrated non-inferiority in visual acuity gains to Eylea in wet AMD and DME, with extended dosing of up to once every 16 weeks for slightly less than half of patients in Phase 3 trials at the Year 1 primary endpoint. Vabysmo also demonstrated non-inferiority in visual acuity gains to Eylea in Phase 3 studies in RVO with monthly dosing regimen for both therapies. We believe Vabysmo may be perceived to offer better anatomical improvement (drying the retina) and, secondarily, incremental benefit in durability over currently established therapies such as Lucentis and Eylea. Vabysmo has been gaining adoption since launch and we believe it has become an important product in the marketplace.

In August 2023, Regeneron’s product, Eylea HD (high dose aflibercept) gained FDA approval for the treatment of wet AMD, DME and DR. High dose aflibercept demonstrated non-inferior visual acuity gains to Eylea in Phase 3 studies in wet AMD and DME while dosing a majority of patients on an every 3 or 4 month interval compared to Eylea dosed every 8 weeks per its label. We believe Eylea HD may become an important therapy in the marketplace given Regeneron’s incumbent position in retinal diseases.

There are also other companies and research organizations developing treatments targeting other molecular targets, potential gene therapy treatments, stem cell transplant treatments, medical devices as well as biosimilars for the treatment of DR, RVO and wet AMD. We believe the therapeutic space of retinal diseases may become increasingly competitive in the future.

Government Regulation

Government authorities in the United States at the federal, state and local level and in other countries regulate, among other things, the research, development, testing, manufacture, quality control, approval, labeling, packaging, storage, record-keeping, promotion, advertising, distribution, post-approval monitoring and reporting, marketing and export and import of drug and biological products. Generally, before a new drug or biologic can be marketed, considerable data demonstrating its quality, safety and efficacy must be obtained, organized into a format specific for each regulatory authority, submitted for review and approved by the regulatory authority.

U.S. Drug Development

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

Any future product candidates must be approved by the FDA through either a new drug application, or NDA, or a biologics license application, or BLA, process before they may be legally marketed in the United States. The process generally involves the following:

completion of extensive preclinical studies in accordance with applicable regulations, including studies conducted in accordance with good laboratory practice, or GLP, requirements;

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

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

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performance of adequate and well-controlled human clinical trials in accordance with applicable IND regulations, good clinical practice, or GCP, requirements and other clinical trial-related regulations to establish the safety and efficacy of the investigational product for each proposed indication;

submission to the FDA of an NDA or BLA;

a determination by the FDA within 60 days of its receipt of an NDA or BLA to accept the filing for review;

satisfactory completion of FDA pre-approval inspection of the manufacturing facility or facilities where the drug or biologic will be produced to assess compliance with current good manufacturing practices, or cGMP, requirements to assure that the facilities, methods and controls are adequate to preserve the drug or biologic’s identity, strength, quality and purity;

potential FDA audit of the preclinical and/or clinical trial sites that generated the data in support of the NDA or BLA;

FDA review and approval of the NDA or BLA, including consideration of the views of any FDA advisory committee, prior to any commercial marketing or sale of the drug or biologic in the United States; and

compliance with any post-approval requirements, including the potential requirement to implement a Risk Evaluation and Mitigation Strategy, or REMS, and the potential requirement to conduct post-approval studies.

The data required to support an NDA or BLA are generated in two distinct developmental stages: preclinical and clinical. The preclinical and clinical testing and approval process requires substantial time, effort and financial resources, and we cannot be certain that any approvals for any future product candidates will be granted on a timely basis, or at all.

Preclinical Studies and IND

The preclinical developmental stage generally involves laboratory evaluations of drug chemistry, formulation and stability, as well as studies to evaluate toxicity in animals, which support subsequent clinical testing. The sponsor must submit the results of the preclinical studies, together with manufacturing information, analytical data, any available clinical data or literature and a proposed clinical protocol, to the FDA as part of the IND. An IND is a request for authorization from the FDA to administer an investigational product to humans, and must become effective before human clinical trials may begin.

Preclinical studies include laboratory evaluation of product chemistry and formulation, as well as in vitro and animal studies to assess the potential for adverse events and in some cases to establish a rationale for therapeutic use. The conduct of preclinical studies is subject to federal regulations and requirements, including GLP regulations for safety/toxicology studies. An IND sponsor must submit the results of the preclinical tests, together with manufacturing information, analytical data, any available clinical data or literature and plans for clinical studies, among other things, to the FDA as part of an IND. Some long-term preclinical testing, such as animal tests of reproductive adverse events and carcinogenicity, may continue after the IND is submitted. An IND automatically becomes effective 30 days after receipt by the FDA, unless before that time, the FDA raises concerns or questions related to one or more proposed clinical trials and places the trial on clinical hold. In such a case, the IND sponsor and the FDA must resolve any outstanding concerns before the clinical trial can begin. As a result, submission of an IND may not result in the FDA allowing clinical trials to commence.

Clinical Trials

The clinical stage of development involves the administration of the investigational product to healthy volunteers or patients under the supervision of qualified investigators, generally physicians not employed by or under the trial sponsor’s control, in accordance with GCP requirements, which include the requirement that all research subjects provide their informed consent for their participation in any clinical trial. Clinical trials are conducted under protocols detailing, among other things, the objectives of the clinical trial, dosing procedures, subject selection and exclusion criteria and the parameters to be used to monitor subject safety and assess efficacy. Each protocol, and any subsequent amendments to the protocol, must be submitted to the FDA as part of the IND. Furthermore, each clinical trial must be reviewed and approved by an IRB for each institution at which the clinical trial will be conducted to ensure that the risks to individuals participating in the clinical trials are minimized and are reasonable in relation to anticipated benefits. The IRB also approves the informed consent form that must be provided to each clinical trial subject or his or her legal representative, and must monitor the clinical trial until completed. There also are requirements governing the reporting of on-going clinical trials and completed clinical trial results to public registries.

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A sponsor who wishes to conduct a clinical trial outside of the United States may, but need not, obtain FDA authorization to conduct the clinical trial under an IND. If a foreign clinical trial is not conducted under an IND, the sponsor may submit data from the clinical trial to the FDA in support of an NDA or BLA. The FDA will accept a well-designed and well-conducted foreign clinical study not conducted under an IND if the study was conducted in accordance with GCP requirements and the FDA is able to validate the data through an onsite inspection if deemed necessary.

Clinical trials in the United States generally are conducted in three sequential phases, known as Phase 1, Phase 2 and Phase 3, and may overlap.

Phase 1 clinical trials generally involve a small number of healthy volunteers or disease-affected patients who are initially exposed to a single dose and then multiple doses of the product candidate. The primary purpose of these clinical trials is to assess the metabolism, pharmacologic action, side effect tolerability and safety of the drug.

Phase 2 clinical trials involve studies in disease-affected patients to determine the dose required to produce the desired benefits. At the same time, safety and further pharmacokinetic and pharmacodynamic information is collected, possible adverse effects and safety risks are identified and a preliminary evaluation of efficacy is conducted.

Phase 3 clinical trials generally involve a large number of patients at multiple sites and are designed to provide the data necessary to demonstrate the effectiveness of the product for its intended use, its safety in use and to establish the overall benefit/risk relationship of the product and provide an adequate basis for product approval. These trials may include comparisons with placebo and/or other comparator treatments. The duration of treatment is often extended to mimic the actual use of a product during marketing.

Post-approval trials, sometimes referred to as Phase 4 clinical trials, may be conducted after initial marketing approval. These trials are used to gain additional experience from the treatment of patients in the intended therapeutic indication. In certain instances, the FDA may mandate the performance of Phase 4 clinical trials as a condition of approval of an NDA or BLA.

Progress reports detailing the results of the clinical trials, among other information, must be submitted at least annually to the FDA and written IND safety reports must be submitted to the FDA and the investigators for serious and unexpected suspected adverse events, findings from other studies suggesting a significant risk to humans exposed to the drug, findings from animal or in vitro testing that suggest a significant risk for human subjects and any clinically important increase in the rate of a serious suspected adverse reaction over that listed in the protocol or investigator brochure.

Phase 1, Phase 2 and Phase 3 clinical trials may not be completed successfully within any specified period, if at all. The FDA or the sponsor may suspend or terminate a clinical trial at any time on various grounds, including a finding that the research subjects or patients are being exposed to an unacceptable health risk. Similarly, an IRB can suspend or terminate approval of a clinical trial at its institution if the clinical trial is not being conducted in accordance with the IRB’s requirements or if the drug or biologic has been associated with unexpected serious harm to patients. Additionally, some clinical trials are overseen by an independent group of qualified experts organized by the clinical trial sponsor, known as a data safety monitoring board or committee. This group provides authorization for whether a trial may move forward at designated check points based on access to certain data from the trial. Concurrent with clinical trials, companies usually complete additional animal studies and also must develop additional information about the chemistry and physical characteristics of the drug or biologic as well as finalize a process for manufacturing the product in commercial quantities in accordance with cGMP requirements. The manufacturing process must be capable of consistently producing quality batches of the product and, among other things, companies must develop methods for testing the identity, strength, quality and purity of the final product. Additionally, appropriate packaging must be selected and tested and stability studies must be conducted to demonstrate that our product candidates do not undergo unacceptable deterioration over their shelf life.

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NDA/BLA Review Process

Following completion of the clinical trials, data are analyzed to assess whether the investigational product is safe and effective for the proposed indicated use or uses. The results of preclinical studies and clinical trials are then submitted to the FDA as part of an NDA or BLA, along with proposed labeling, chemistry and manufacturing information to ensure product quality and other relevant data. In short, the NDA or BLA is a request for approval to market the drug or biologic for one or more specified indications and must contain proof of safety and efficacy for a drug or safety, purity and potency for a biologic. The application may include both negative and ambiguous results of preclinical studies and clinical trials, as well as positive findings. Data may come from company-sponsored clinical trials intended to test the safety and efficacy of a product’s use or from a number of alternative sources, including studies initiated by investigators. To support marketing approval, the data submitted must be sufficient in quality and quantity to establish the safety and efficacy of the investigational product to the satisfaction of FDA. FDA approval of an NDA or BLA must be obtained before a drug or biologic may be marketed in the United States.

Under the Prescription Drug User Fee Act, or PDUFA, as amended, each NDA or BLA must be accompanied by a user fee. The FDA adjusts the PDUFA user fees on an annual basis. PDUFA also imposes an annual program fee for approved human drugs and biologics. Fee waivers or reductions are available in certain circumstances, including a waiver of the application fee for the first application filed by a small business. Additionally, no user fees are assessed on NDAs or BLAs for products designated as orphan drugs, unless the product also includes a non-orphan indication.

The FDA reviews all submitted NDAs and BLAs before it accepts them for filing, and may request additional information rather than accepting the NDA or BLA for filing. The FDA must make a decision on accepting an NDA or BLA for filing within 60 days of receipt. Once the submission is accepted for filing, the FDA begins an in-depth review of the NDA or BLA. Under the goals and policies agreed to by the FDA under PDUFA, the FDA has ten months, from the filing date, in which to complete its initial review of a new molecular-entity NDA or original BLA and respond to the applicant, and six months from the filing date of a new molecular-entity NDA or original BLA designated for priority review. The FDA does not always meet its PDUFA goal dates for standard and priority NDAs or BLAs, and the review process is often extended by FDA requests for additional information or clarification.

Before approving an NDA or BLA, the FDA will conduct a pre-approval inspection of the manufacturing facilities for the new product to determine whether they comply with cGMP requirements. The FDA will not approve the product unless it determines that the manufacturing processes and facilities are in compliance with cGMP requirements and adequate to assure consistent production of the product within required specifications. The FDA also may audit data from clinical trials to ensure compliance with GCP requirements. Additionally, the FDA may refer applications for novel drug products or drug products which present difficult questions of safety or efficacy to an advisory committee, typically a panel that includes clinicians and other experts, for review, evaluation and a recommendation as to whether the application should be approved and under what conditions, if any. The FDA is not bound by recommendations of an advisory committee, but it considers such recommendations when making decisions on approval. The FDA likely will reanalyze the clinical trial data, which could result in extensive discussions between the FDA and the applicant during the review process. After the FDA evaluates an NDA or BLA, it will issue an approval letter or a Complete Response Letter. An approval letter authorizes commercial marketing of the drug with specific prescribing information for specific indications. A Complete Response Letter indicates that the review cycle of the application is complete and the application will not be approved in its present form. A Complete Response Letter usually describes all of the specific deficiencies in the NDA or BLA identified by the FDA. The Complete Response Letter may require additional clinical data, additional pivotal Phase 3 clinical trial(s) and/or other significant and time-consuming requirements related to clinical trials, preclinical studies or manufacturing. If a Complete Response Letter is issued, the applicant may either resubmit the NDA or BLA, addressing all of the deficiencies identified in the letter, or withdraw the application. Even if such data and information are submitted, the FDA may decide that the NDA or BLA does not satisfy the criteria for approval. Data obtained from clinical trials are not always conclusive and the FDA may interpret data differently than we interpret the same data.

Expedited Development and Review Programs

The FDA has a fast track program that is intended to expedite or facilitate the process for reviewing new drugs and biologics that meet certain criteria. Specifically, new drugs and biologics are eligible for fast track designation if they are intended to treat a serious or life threatening condition and preclinical or clinical data demonstrate the potential to address unmet medical needs for the condition. Fast track designation applies to both the product and the specific indication for which it is being studied. The sponsor can request the FDA to designate the product for fast track status any time before receiving NDA or BLA approval, but ideally no later than the pre-NDA or pre-BLA meeting.

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Any product submitted to the FDA for marketing, including under a fast track program, may be eligible for other types of FDA programs intended to expedite development and review, such as priority review and accelerated approval. Any product is eligible for priority review if it treats a serious or life-threatening condition and, if approved, would provide a significant improvement in safety and effectiveness compared to available therapies.

A product may also be eligible for accelerated approval, if it treats a serious or life-threatening condition and generally provides a meaningful advantage over available therapies. In addition, it must demonstrate an effect on a surrogate endpoint that is reasonably likely to predict clinical benefit or on a clinical endpoint that can be measured earlier than irreversible morbidity or mortality, or IMM, that is reasonably likely to predict an effect on IMM or other clinical benefit. As a condition of approval, the FDA may require that a sponsor of a drug or biologic receiving accelerated approval perform adequate and well-controlled post-marketing clinical trials. If the FDA concludes that a drug or biologic shown to be effective can be safely used only if distribution or use is restricted, it may require such post-marketing restrictions, as it deems necessary to assure safe use of the product.

Additionally, a drug or biologic may be eligible for designation as a breakthrough therapy if the product is intended, alone or in combination with one or more other drugs or biologics, to treat a serious or life-threatening condition and preliminary clinical evidence indicates that the product may demonstrate substantial improvement over currently approved therapies on one or more clinically significant endpoints. The benefits of breakthrough therapy designation include the same benefits as fast track designation, plus intensive guidance from the FDA to ensure an efficient drug development program. Fast track designation, priority review, accelerated approval and breakthrough therapy designation do not change the standards for approval, but may expedite the development or approval process.

Abbreviated Licensure Pathway of Biological Products as Biosimilar or Interchangeable

The Biologics Price Competition and Innovation Act of 2009, or BPCIA, created an abbreviated approval pathway for biological products shown to be highly similar to an FDA-licensed reference biological product. An application for licensure of a biosimilar product must include information demonstrating biosimilarity based upon the following, unless the FDA determines otherwise:

analytical studies demonstrating that the proposed biosimilar product is highly similar to the approved product notwithstanding minor differences in clinically inactive components;

animal studies (including the assessment of toxicity); and

a clinical study or studies (including the assessment of immunogenicity and pharmacokinetics or pharmacodynamics) sufficient to demonstrate safety, purity and potency in one or more conditions for which the reference product is licensed and intended to be used.

In addition, an application must include information demonstrating that:

the proposed biosimilar product and reference product utilize the same mechanism of action for the condition(s) of use prescribed, recommended, or suggested in the proposed labeling, but only to the extent the mechanism(s) of action are known for the reference product;

the condition or conditions of use prescribed, recommended, or suggested in the labeling for the proposed biosimilar product have been previously approved for the reference product;

the route of administration, the dosage form, and the strength of the proposed biosimilar product are the same as those for the reference product; and

the facility in which the biological product is manufactured, processed, packed or held meets standards designed to assure that the biological product continues to be safe, pure, and potent.

Biosimilarity means that the biological product is highly similar to the reference product notwithstanding minor differences in clinically inactive components; and that there are no clinically meaningful differences between the biological product and the reference product in terms of the safety, purity, and potency of the product. In addition, the law provides for a designation of “interchangeability” between the reference and biosimilar products, whereby the biosimilar may be substituted for the reference product without the intervention of the health care provider who prescribed the reference product. The higher standard of interchangeability must be demonstrated by information sufficient to show that:

the proposed product is biosimilar to the reference product;

the proposed product is expected to produce the same clinical result as the reference product in any given patient; and

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for a product that is administered more than once to an individual, the risk to the patient in terms of safety or diminished efficacy of alternating or switching between the biosimilar and the reference product is no greater than the risk of using the reference product without such alternation or switch.

FDA approval is required before a biosimilar may be marketed in the United States. In addition, as with BLAs, biosimilar product applications will not be approved unless the product is manufactured in facilities designed to assure and preserve the biological product’s safety, purity and potency.

The timing of final FDA approval of a biosimilar for commercial distribution depends on a variety of factors, including whether the manufacturer of the branded product is entitled to one or more statutory exclusivity periods, during which time the FDA is prohibited from approving any products that are biosimilar to the branded product. The FDA cannot approve a biosimilar application for twelve years from the date of first licensure of the reference product. Additionally, a biosimilar product sponsor may not submit an application for four years from the date of first licensure of the reference product. A reference product may also be entitled to exclusivity under other statutory provisions. For example, a reference product designated for a rare disease or condition (an “orphan drug”) may be entitled to seven years of exclusivity, in which case no product that is biosimilar to the reference product may be approved until either the end of the twelve-year period provided under the biosimilarity statute or the end of the seven-year orphan drug exclusivity period, whichever occurs later. In certain circumstances, a regulatory exclusivity period can extend beyond the life of a patent, and thus block biosimilarity applications from being approved on or after the patent expiration date. In addition, the FDA may under certain circumstances extend the exclusivity period for the reference product by an additional six months if the FDA requests, and the manufacturer undertakes, studies on the effect of its product in children, a so-called pediatric extension.

Post-Approval Requirements

Following approval of a new product, the manufacturer and the approved product are subject to continuing regulation by the FDA, including, among other things, monitoring and record-keeping requirements, requirements to report adverse experiences, and comply with promotion and advertising requirements, which include restrictions on promoting drugs for unapproved uses or patient populations (known as “off-label use”) and limitations on industry-sponsored scientific and educational activities. Although physicians may prescribe legally available drugs for off-label uses, manufacturers may not market or promote such uses. Prescription drug promotional materials must be submitted to the FDA in conjunction with their first use. Further, if there are any modifications to the drug or biologic, including changes in indications, labeling or manufacturing processes or facilities, the applicant may be required to submit and obtain FDA approval of a new NDA/BLA or NDA/BLA supplement, which may require the development of additional data or preclinical studies and clinical trials.

The FDA may also place other conditions on approvals including the requirement for a Risk Evaluation and Mitigation Strategy, or REMS, to assure the safe use of the product. A REMS could include medication guides, physician communication plans or elements to assure safe use, such as restricted distribution methods, patient registries and other risk minimization tools. Any of these limitations on approval or marketing could restrict the commercial promotion, distribution, prescription or dispensing of products. Product approvals may be withdrawn for non-compliance with regulatory standards or if problems occur following initial marketing.

The FDA may withdraw approval if compliance with regulatory requirements and standards is not maintained or if problems occur after the product reaches the market. Later discovery of previously unknown problems with a product, including adverse events of unanticipated severity or frequency, or with manufacturing processes, or failure to comply with regulatory requirements, may result in revisions to the approved labeling to add new safety information; imposition of post-market studies or clinical studies to assess new safety risks; or imposition of distribution restrictions or other restrictions under a REMS program. Other potential consequences include, among other things:

the restrictions on the marketing or manufacturing of the product, complete withdrawal of the product from the market or product recalls;

fines, warning letters or holds on post-approval clinical studies;

refusal of the FDA to approve pending applications or supplements to approved applications;

applications, or suspension or revocation of product license approvals;

product seizure or detention, or refusal to permit the import or export of products; or

injunctions or the imposition of civil or criminal penalties.

The FDA strictly regulates marketing, labeling, advertising, and promotion of products that are placed on the market. Drugs and biologics may be promoted only for the approved indications and in accordance with the provisions of the approved label. The FDA and other agencies actively enforce the laws and regulations prohibiting the promotion of off-label uses, and a company that is found to have improperly promoted off-label uses may be subject to significant liability.

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Other U.S. Regulatory Laws

Manufacturing, sales, promotion and other activities following product approval are also subject to regulation by numerous regulatory authorities in the United States in addition to the FDA, including the Centers for Medicare & Medicaid Services, or CMS, other divisions of the Department of Health and Human Services, or HHS, the Department of Justice, the Drug Enforcement Administration, the Consumer Product Safety Commission, the Federal Trade Commission, the Occupational Safety & Health Administration, the Environmental Protection Agency and state and local governments.

For example, in the United States, our business operations, including any sales, marketing and scientific and educational programs, also must comply with state and federal fraud and abuse laws, including the federal Anti-Kickback Statue and false claims laws; federal data privacy and security laws; and federal transparency laws related to payments and/or other transfers of value made to physicians and other healthcare professionals and teaching hospitals. The federal Anti-Kickback Statute makes it illegal for any person, including a prescription drug manufacturer (or a party acting on its behalf), to knowingly and willfully solicit, receive, offer or pay any remuneration that is intended to induce or reward referrals, including the purchase, recommendation, order or prescription of a particular drug, for which payment may be made under a federal healthcare program, such as Medicare or Medicaid. Moreover, the Patient Protection and Affordable Health Care Act, as amended by the Health Care and Education Reconciliation Act, or collectively the ACA, provides that the government may assert that a claim including items or services resulting from a violation of the federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the False Claims Act. Federal false claims laws, including the False Claims Act, prohibit individuals or entities from, among other things, knowingly presenting, or causing to be presented, false or fraudulent claims for payment of federal funds, and knowingly making, or causing to be made, a false record or statement material to a false or fraudulent claim to avoid, decrease or conceal an obligation to pay money to the federal government.

The federal Health Insurance Portability and Accountability Act of 1996, or HIPAA, prohibits, among other things, knowingly and willfully executing, or attempting to execute, a scheme or artifice to defraud any healthcare benefit program or obtain, by means of false or fraudulent pretenses, representations, or promises, any of the money or property owned by, or under the custody or control of, any healthcare benefit program, regardless of the payor (e.g., public or private), and knowingly and willfully falsifying, concealing or covering up by any trick or device a material fact or making any materially false, fictitious or fraudulent statements in connection with the delivery of, or payment for, healthcare benefits, items or services relating to healthcare matters. Similar to the federal Anti-Kickback Statute, a person or entity does not need to have actual knowledge of the statute or specific intent to violate it in order to have committed a violation.

Many states have similar laws and regulations that may differ from federal law in significant ways, thus complicating compliance efforts. For example, states have anti-kickback and false claims laws that may be broader in scope than analogous federal laws and may apply regardless of payor. In addition, the federal physician payment transparency requirements, sometimes referred to as the “Physician Payments Sunshine Act,” created under the ACA and its implementing regulations, require certain manufacturers of drugs, devices, biologics and medical supplies for which payment is available under Medicare, Medicaid or the Children’s Health Insurance Program (with certain exceptions) to report annually to CMS information related to payments or other transfers of value made to physicians (defined to include doctors, dentists, optometrists, podiatrists and chiropractors), other healthcare professionals (such as physician assistants and nurse practitioners) and teaching hospitals, as well as ownership and investment interests held by physicians and their immediate family members.

HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act of 2009, or HITECH, and their respective implementing regulations, impose requirements on certain covered healthcare providers, health plans, and healthcare clearinghouses and their respective business associates that perform services for them that involve the use, or disclosure of, individually identifiable health information as well as their covered subcontractors, relating to the privacy, security, and transmission of such individually identifiable health information. In addition, state data privacy laws that protect the security of health information may differ from each other and may not be preempted by federal law.

Moreover, several states and local jurisdictions have enacted legislation requiring pharmaceutical manufacturers to, among other things, establish marketing compliance programs, file periodic reports with the state, make periodic public disclosures on sales and marketing activities, report information related to drug pricing, require the registration of sales representatives, and prohibit certain other sales and marketing practices. In addition, the approval and commercialization of any of our product candidates outside the United States will also likely subject us to foreign equivalents of the healthcare laws mentioned above.

Pricing and rebate programs must comply with the Medicaid rebate requirements of the U.S. Omnibus Budget Reconciliation Act of 1990 and more recent requirements in the ACA. If products are made available to authorized users of the Federal Supply Schedule of the General Services Administration, additional laws and requirements apply. Products must meet applicable child-resistant packaging requirements under the U.S. Poison Prevention Packaging Act. Manufacturing, sales, promotion and other activities also are potentially subject to federal and state consumer protection and unfair competition laws.

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

Failure to maintain compliance with these healthcare laws could result in the imposition of significant civil, criminal and administrative penalties, damages, disgorgement, monetary fines, imprisonment, possible exclusion from participation in Medicare, Medicaid and other federal healthcare programs, contractual damages, reputational harm, diminished profits and future earnings and curtailment of our operations, any of which could adversely affect our ability to operate our business and our results of operations.

Data Privacy and Security

Data privacy and security laws in the U.S. are also increasingly complex and changing rapidly. Numerous U.S. states have enacted comprehensive privacy laws that impose certain obligations on covered businesses, including providing specific disclosures in privacy notices and affording residents with certain rights concerning their personal data. These state laws allow for statutory fines for noncompliance.

In addition, the processing of personal data in connection with clinical trials in the EU must comply with the EU’s General Data Protection Regulation, or EU GDPR. The EU GDPR imposes stringent data protection requirements and provides for penalties for noncompliance that can include bans on processing personal data and fines of up to the greater of 20 million euros or four percent of worldwide annual revenues. The EU GDPR requires organizations to give detailed disclosures about how they collect, use and share personal data; under certain conditions, obtain explicit consent to process sensitive personal data, such as health or genetic information; contractually require vendors to meet data protection requirements; maintain adequate data security measures; notify regulators and affected individuals of certain data breaches; meet extensive privacy governance and documentation requirements; and afford individuals’ data protection rights, including their rights to access, correct and delete their personal data.

European data protection laws generally restrict the transfer of personal data from Europe, including from the European Economic Area, the United Kingdom and Switzerland, to the U.S. and most other countries unless the parties to the transfer have implemented specific safeguards to protect the transferred personal data. Legal challenges have in the past and may in the future be successful in limiting the mechanisms available to transfer personal data across national borders.

The failure to comply with any of these laws, regulatory, or other legal requirements may result in legal and regulatory actions. Depending on the circumstances, failure to meet applicable obligations can result in significant penalties, including administrative, civil, and criminal penalties, fines, imprisonment, disgorgement, injunctions, exclusion from participation in federal healthcare programs, integrity oversight and reporting obligations, requests for recall, seizure of products, total or partial suspension of production, denial or withdrawal of product approvals or refusal to allow a firm to enter into supply contracts, including government contracts. Any action against us for violation of these obligations, even if we successfully defend against it, could cause us to incur significant legal expenses and divert our management’s attention from the operation of our business. Prohibitions or restrictions on sales or withdrawal of future products marketed by us could materially affect our business in an adverse way.

U.S. Health Care Reform

Changes in regulations, statutes or the interpretation of existing regulations could impact our business in the future by requiring, for example: (1) changes to our manufacturing arrangements; (2) additions or modifications to product labeling; (3) the recall or discontinuation of our products; or (4) additional record-keeping requirements. If any such changes were to be imposed, they could adversely affect the operation of our business. Further, the United States, there have been and continue to be a number of healthcare-related legislative initiatives that have significantly affected the healthcare industry. For example, on August 16, 2022, the Inflation Reduction Act of 2022, or IRA, was signed into law, which among other things, extends enhanced subsidies for individuals purchasing health insurance coverage in ACA marketplaces through plan year 2025. The IRA also eliminates the “donut hole” under the Medicare Part D program beginning in 2025 by significantly lowering the beneficiary maximum out-of-pocket cost and creating a new manufacturer discount program. It is unclear how any additional challenges and healthcare form measures of the second Trump administration will impact the ACA and our business.

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Moreover, there has recently been heightened governmental scrutiny over the manner in which manufacturers set prices for their marketed products, which has resulted in several Congressional inquiries and proposed and enacted federal and state legislation designed to, among other things, bring more transparency to product pricing, review the relationship between pricing and manufacturer patient programs, and reform government program reimbursement methodologies for drug products. For example, the IRA, among other things, (i) directs HHS to negotiate the price of certain high-expenditure, single-source drugs that have been on the market for at least 7 years and biologics that have been on the market for at least 11 years covered under Medicare, and subject drug manufacturers to civil monetary penalties and a potential excise tax by offering a price that is not equal to or less than the negotiated “maximum fair price” for such drugs and biologics under the law, or the Medicare Drug Price Negotiation Program, and (ii) imposes rebates with respect to certain drugs and biologics covered under Medicare Part B or Medicare Part D to penalize price increases that outpace inflation. The IRA permits HHS to implement many of these provisions through guidance, as opposed to regulation, for the initial years. These provisions began to take effect progressively starting in fiscal year 2023. On August 15, 2024, HHS announced the agreed-upon reimbursement prices of the first ten drugs that were subject to price negotiations, although the Medicare Drug Price Negotiation Program is currently subject to legal challenges. On January 17, 2025, HHS selected fifteen additional products covered under Part D for price negotiation in 2025. Each year thereafter more Part B and Part D products will become subject to the Medicare Drug Price Negotiation Program. Further, on December 7, 2023, an initiative to control the price of prescription drugs through the use of march-in rights under the Bayh-Dole Act was announced. On December 8, 2023, the National Institute of Standards and Technology published for comment a Draft Interagency Guidance Framework for Considering the Exercise of March-In Rights which for the first time includes the price of a product as one factor an agency can use when deciding to exercise march-in rights. While march-in rights have not previously been exercised, it is uncertain if that will continue under the new framework.

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

U.S. Patent-Term Restoration and Marketing Exclusivity

Depending upon the timing, duration and specifics of FDA approval of any future product candidates, some of our U.S. patents may be eligible for limited patent term extension under the Drug Price Competition and Patent Term Restoration Act of 1984, commonly referred to as the Hatch-Waxman Act. The Hatch-Waxman Act permits restoration of the patent term of up to five years as compensation for patent term lost during product development and FDA regulatory review process. Patent-term restoration, however, cannot extend the remaining term of a patent beyond a total of 14 years from the product’s approval date. The patent-term restoration period is generally one-half the time between the effective date of an IND and the submission date of an NDA or BLA plus the time between the submission date of an NDA or BLA and the approval of that application, except that the review period is reduced by any time during which the applicant failed to exercise due diligence. Only one patent applicable to an approved drug is eligible for the extension and the application for the extension must be submitted prior to the expiration of the patent. The USPTO, in consultation with the FDA, reviews and approves the application for any patent term extension or restoration. In the future, we may apply for restoration of patent term for our currently owned or licensed patents to add patent life beyond its current expiration date, depending on the expected length of the clinical trials and other factors involved in the filing of the relevant NDA or BLA.

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

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A reference biological product is granted twelve years of data exclusivity from the time of first licensure of the product, and the FDA will not accept an application for a biosimilar or interchangeable product based on the reference biological product until four years after the date of first licensure of the reference product. “First licensure” typically means the initial date the particular product at issue was licensed in the United States. Date of first licensure does not include the date of licensure of (and a new period of exclusivity is not available for) a biological product if the licensure is for a supplement for the biological product or for a subsequent application by the same sponsor or manufacturer of the biological product (or licensor, predecessor in interest, or other related entity) for a change (not including a modification to the structure of the biological product) that results in a new indication, route of administration, dosing schedule, dosage form, delivery system, delivery device or strength, or for a modification to the structure of the biological product that does not result in a change in safety, purity, or potency. Therefore, one must determine whether a new product includes a modification to the structure of a previously licensed product that results in a change in safety, purity, or potency to assess whether the licensure of the new product is a first licensure that triggers its own period of exclusivity. Whether a subsequent application, if approved, warrants exclusivity as the “first licensure” of a biological product is determined on a case-by-case basis with data submitted by the sponsor.

European Union Drug Development

As in the United States, medicinal products can be marketed only if a marketing authorization from the competent regulatory agencies has been obtained.

Similar to the United States, the various phases of preclinical and clinical research in the European Union are subject to significant regulatory controls. Although the EU Clinical Trials Directive 2001/20/EC has sought to harmonize the EU clinical trials regulatory framework, setting out common rules for the control and authorization of clinical trials in the EU, the EU Member States have transposed and applied the provisions of the Directive differently. This has led to significant variations in the member state regimes. Under the current regime, before a clinical trial can be initiated it must be approved in each of the EU countries where the trial is to be conducted by two distinct bodies: the National Competent Authority, or NCA, and one or more Ethics Committees, or ECs. Under the current regime all suspected unexpected serious adverse reactions to the investigated drug that occur during the clinical trial have to be reported to the NCA and ECs of the Member State where they occurred.

The EU clinical trials legislation currently is undergoing a transition process mainly aimed at harmonizing and streamlining clinical-trial authorization, simplifying adverse-event reporting procedures, improving the supervision of clinical trials and increasing their transparency. Recently enacted Clinical Trials Regulation EU No 536/2014 ensures that the rules for conducting clinical trials in the EU will be identical. In the meantime, Clinical Trials Directive 2001/20/EC continues to govern all clinical trials performed in the EU.

European Union Drug Review and Approval

In the European Economic Area, or EEA, which is comprised of the 27 Member States of the European Union (including Norway and excluding Croatia), Iceland and Liechtenstein, medicinal products can only be commercialized after obtaining a Marketing Authorization, or MA. There are two types of marketing authorizations.

The Community MA is issued by the European Commission through the Centralized Procedure, based on the opinion of the Committee for Medicinal Products for Human Use, or CHMP, of the European Medicines Agency, or EMA, and is valid throughout the entire territory of the EEA. The Centralized Procedure is mandatory for certain types of products, such as biotechnology medicinal products, orphan medicinal products, advanced-therapy medicines such as gene-therapy, somatic cell-therapy or tissue-engineered medicines and medicinal products containing a new active substance indicated for the treatment of HIV, AIDS, cancer, neurodegenerative disorders, diabetes, auto-immune and other immune dysfunctions and viral diseases. The Centralized Procedure is optional for products containing a new active substance not yet authorized in the EEA, or for products that constitute a significant therapeutic, scientific or technical innovation or which are in the interest of public health in the EU.

National MAs, which are issued by the competent authorities of the Member States of the EEA and only cover their respective territory, are available for products not falling within the mandatory scope of the Centralized Procedure. Where a product has already been authorized for marketing in a Member State of the EEA, this National MA can be recognized in another Member States through the Mutual Recognition Procedure. If the product has not received a National MA in any Member State at the time of application, it can be approved simultaneously in various Member States through the Decentralized Procedure. Under the Decentralized Procedure an identical dossier is submitted to the competent authorities of each of the Member States in which the MA is sought, one of which is selected by the applicant as the Reference Member State, or RMS. The competent authority of the RMS prepares a draft assessment report, a draft summary of the product characteristics, or SPC, and a draft of the labeling and package leaflet, which are sent to the other Member States (referred to as the Member States Concerned) for their approval. If the Member States Concerned raise no objections, based on a potential serious risk to public health, to the assessment, SPC, labeling, or packaging proposed by the RMS, the product is subsequently granted a national MA in all the Member States (i.e., in the RMS and the Member States Concerned).

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Under the above described procedures, before granting the MA, the EMA or the competent authorities of the Member States of the EEA make an assessment of the risk-benefit balance of the product on the basis of scientific criteria concerning its quality, safety and efficacy.

Coverage and Reimbursement

Sales of our products will depend, in part, on the extent to which our products will be covered by third-party payors, such as government health programs, commercial insurance and managed healthcare organizations. In the United States no uniform policy of coverage and reimbursement for drug or biological products exists. Accordingly, decisions regarding the extent of coverage and amount of reimbursement to be provided for any of our products will be made on a payor-by-payor basis. As a result, the coverage determination process is often a time-consuming and costly process that will require us to provide scientific and clinical support for the use of our products to each payor separately, with no assurance that coverage and adequate reimbursement will be obtained.

The U.S. government, state legislatures and foreign governments have shown significant interest in implementing cost containment programs to limit the growth of government-paid health care costs, including price-controls, restrictions on reimbursement and requirements for substitution of generic products for branded prescription drugs. For example, the ACA contains provisions that may reduce the profitability of drug products through increased rebates for drugs reimbursed by Medicaid programs, extension of Medicaid rebates to Medicaid managed care plans, mandatory discounts for certain Medicare Part D beneficiaries and annual fees based on pharmaceutical companies’ share of sales to federal health care programs. Adoption of general controls and measures, coupled with the tightening of restrictive policies in jurisdictions with existing controls and measures, could limit payments for pharmaceutical drugs.

The Medicaid Drug Rebate Program requires pharmaceutical manufacturers to enter into and have in effect a national rebate agreement with the Secretary of HHS as a condition for states to receive federal matching funds for the manufacturer’s outpatient drugs furnished to Medicaid patients. The ACA made several changes to the Medicaid Drug Rebate Program, including increasing pharmaceutical manufacturers’ rebate liability by raising the minimum basic Medicaid rebate on most branded prescription drugs from 15.1% of average manufacturer price, or AMP, to 23.1% of AMP and adding a new rebate calculation for “line extensions” (i.e., new formulations, such as extended release formulations) of solid oral dosage forms of branded products, as well as potentially impacting their rebate liability by modifying the statutory definition of AMP. The ACA also expanded the universe of Medicaid utilization subject to drug rebates by requiring pharmaceutical manufacturers to pay rebates on Medicaid managed care utilization and by enlarging the population potentially eligible for Medicaid drug benefits. CMS has proposed to expand Medicaid rebate liability to the territories of the United States as well.

The Medicare Prescription Drug, Improvement, and Modernization Act of 2003, or the MMA, established the Medicare Part D program to provide a voluntary prescription drug benefit to Medicare beneficiaries. Under Part D, Medicare beneficiaries may enroll in prescription drug plans offered by private entities that provide coverage of outpatient prescription drugs. Unlike Medicare Part A and B, Part D coverage is not standardized. While all Medicare drug plans must give at least a standard level of coverage set by Medicare, Part D prescription drug plan sponsors are not required to pay for all covered Part D drugs, and each drug plan can develop its own drug formulary that identifies which drugs it will cover and at what tier or level. However, Part D prescription drug formularies must include drugs within each therapeutic category and class of covered Part D drugs, though not necessarily all the drugs in each category or class. Any formulary used by a Part D prescription drug plan must be developed and reviewed by a pharmacy and therapeutic committee. Government payment for some of the costs of prescription drugs may increase demand for products for which we receive marketing approval. However, any negotiated prices for our products covered by a Part D prescription drug plan likely will be lower than the prices we might otherwise obtain. Moreover, while the MMA applies only to drug benefits for Medicare beneficiaries, private payors often follow Medicare coverage policy and payment limitations in setting their own payment rates. Any reduction in payment that results from the MMA may result in a similar reduction in payments from non-governmental payors.

For a drug product to receive federal reimbursement under the Medicaid or Medicare Part B programs or to be sold directly to U.S. government agencies, the manufacturer must extend discounts to entities eligible to participate in the 340B drug pricing program. The required 340B discount on a given product is calculated based on the AMP and Medicaid rebate amounts reported by the manufacturer. In 2010, the ACA expanded the types of entities eligible to receive discounted 340B pricing, although, under the current state of the law, with the exception of children’s hospitals, these newly eligible entities will not be eligible to receive discounted 340B pricing on orphan drugs. In addition, as 340B drug prices are determined based on AMP and Medicaid rebate data, the revisions to the Medicaid rebate formula and AMP definition described above could cause the required 340B discount to increase.

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As noted above, the marketability of any products for which we receive regulatory approval for commercial sale may suffer if the government and third-party payors fail to provide adequate coverage and reimbursement. An increasing emphasis on cost containment measures in the United States has increased and we expect will continue to increase the pressure on pharmaceutical pricing. Coverage policies and third-party reimbursement rates may change at any time. Even if favorable coverage and reimbursement status is attained for one or more products for which we receive regulatory approval, less favorable coverage policies and reimbursement rates may be implemented in the future.

In addition, in most foreign countries, the proposed pricing for a drug must be approved before it may be lawfully marketed. The requirements governing drug pricing and reimbursement vary widely from country to country. For example, the European Union provides options for its member states to restrict the range of medicinal products for which their national health insurance systems provide reimbursement and to control the prices of medicinal products for human use. A member state may approve a specific price for the medicinal product or it may instead adopt a system of direct or indirect controls on the profitability of the company placing the medicinal product on the market. There can be no assurance that any country that has price controls or reimbursement limitations for pharmaceutical products will allow favorable reimbursement and pricing arrangements for any of our products. Historically, products launched in the European Union do not follow price structures of the United States and generally prices tend to be significantly lower.

Intellectual Property

We strive to protect and enhance the proprietary technology, inventions, and improvements that are commercially important to our business, including seeking, maintaining, and defending patent rights. We seek to protect our proprietary position by, among other methods, filing patent applications in the United States and in jurisdictions outside of the United States related to our proprietary technology, inventions, improvements, and product candidates that are important to the development and implementation of our business. We also rely on trade secrets and know-how relating to our proprietary technology and product candidates and continuing innovation to develop, strengthen, and maintain our proprietary position in the field. Although we are not party to any material in-license agreements as of the date of this Annual Report on Form 10-K, we may in the future pursue in-licensing opportunities to strengthen our proprietary position in the field. We additionally rely on data exclusivity, market exclusivity, and patent term extensions when available, and may seek and rely on regulatory protection afforded through orphan drug designations. Our commercial success may depend in part on our ability to obtain and maintain patent and other proprietary protection for our technology, inventions, and improvements; to preserve the confidentiality of our trade secrets; to defend and enforce our proprietary rights, including our patents; and to operate without infringing the valid and enforceable patents and other proprietary rights of third parties.

We have prosecuted numerous patents and patent applications and possess know-how and trade secrets relating to the development and commercialization of our ABC Platform and product candidates, including related manufacturing processes and technology. As of December 31, 2024, we were the assignee of record for approximately 14 U.S. issued patents, and the applicant for approximately 18 U.S. pending patent applications and 9 pending PCT applications directed to certain of our proprietary technology, inventions, and improvements and our most advanced product candidates, as well as 49 patents issued in jurisdictions outside of the United States and 63 patent applications pending in jurisdictions outside of the United States that, in many cases, are counterparts to the foregoing U.S. patents and patent applications. For example, these patents and patent applications include claims directed to:

therapeutic proteins and biologically active agents conjugated to a biopolymer;

specific therapeutics; and

components of our therapeutics.

The following patents and patent applications (including anticipated 20-year expiration dates, which could be altered by, for example, a disclaimer, patent term adjustment or patent term extension) relate to tarcocimab, KSI-501, KSI-101 and/or ABC Platform:

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In the normal course of business, we intend to pursue, when possible, composition, method of use, dosing and formulation patent protection, as well as manufacturing and drug development processes and technology. The patents and patent applications we have filed outside of the United States are in Europe, Japan, and various other jurisdictions.

Individual patents extend for varying periods of time, depending upon the date of filing of the patent application, the date of patent issuance, and the legal term of patents in the countries in which they are obtained. Generally, patents issued for applications filed in the United States are effective for 20 years from the earliest effective filing date. In addition, in certain instances, a patent term can be extended to recapture a portion of the term effectively lost as a result of the FDA regulatory review period. The restoration period cannot be longer than five years and the total patent term, including the restoration period, must not exceed 14 years following FDA approval. The duration of patents outside of the United States varies in accordance with provisions of applicable local law, but typically is also 20 years from the earliest effective filing date.

Our issued U.S. patents will expire on dates ranging from 2027 to 2040. If patents are issued on our pending patent applications, the resulting patents are projected to expire on dates ranging from 2030 to 2044. However, the actual protection afforded by a patent varies on a product-by-product basis, from country-to-country, and depends upon many factors, including the type of patent, the scope of its coverage, the availability of regulatory-related extensions, the availability of legal remedies in a particular country, and the validity and enforceability of the patent.

As of December 31, 2024, we have a total of 33 pending trademark applications and issued trademark registrations. These include two trademark registrations and three pending trademark applications in the United States, and 27 trademark registrations and one pending trademark application in jurisdictions outside of the United States. Of the trademark registrations in jurisdictions outside of the United States, 17 are in China, 2 are in each of the European Union, Japan and the United Kingdom, and one is in each of Canada, India, Singapore and Switzerland. The pending trademark application in a jurisdiction outside of the United States is in Canada. We also may rely, in some circumstances, on trade secrets to protect our technology. However, trade secrets are difficult to protect. We seek to protect our technology and product candidates, in part, by entering into confidentiality agreements with those who have access to our confidential information, including our employees, contractors, consultants, collaborators, and advisors. We also seek to preserve the integrity and confidentiality of our proprietary technology and processes by maintaining physical security of our premises and physical and electronic security of our information technology systems. Although we have confidence in these individuals, organizations, and systems, agreements or security measures may be breached and we may not have adequate remedies for any breach. In addition, our trade secrets may otherwise become known or may be independently discovered by competitors. To the extent that our employees, contractors, consultants, collaborators, and advisors use intellectual property owned by others in their work for us, disputes may arise as to the rights in related or resulting know-how and inventions. For this and more comprehensive risks related to our proprietary technology, inventions, improvements and products, please refer to the section on “Part I, Item 1A — Risk Factors—Risks Related to Our Intellectual Property.”

Human Capital Management

As of December 31, 2024, we had 109 employees worldwide, of whom 10 were based outside of the United States. Of these employees, 74 employees were engaged in or support research, development and clinical activities, 29 of whom hold a Ph.D. degree or M.D. (or equivalent) degree. None of our employees is subject to a collective bargaining agreement. We continually assess employee turnover, recruitment initiatives, compensation and benefits programs, safety in performing critical laboratory work, diversity and other matters relevant to human capital management, and we review results with our Board of Directors on a periodic basis. We aim to offer competitive compensation (including salary, incentive bonus, and equity) and benefits packages in each of our locations and in each of employee groups at each level around the globe as assessed with internal and external benchmarking data.

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Additional Information

We were formed as a limited liability company on June 22, 2009 under the name Oligasis LLC, and subsequently changed our name to Kodiak Sciences Inc. and converted into a corporation which was incorporated in the state of Delaware on September 8, 2015. Our principal executive office is located at 1250 Page Mill Road, Palo Alto, California 94304. Our telephone number is (650) 281-0850.

We maintain an internet website at the following address: https://kodiak.com. The information on our website is not incorporated by reference in this Annual Report on Form 10-K or in any other filings we make with the Securities and Exchange Commission, or SEC.

We make available on or through our website certain reports and amendments to those reports that we file with or furnish to the SEC in accordance with the Securities Exchange Act of 1934, as amended, or the Exchange Act. These include our annual reports on Form 10-K, our quarterly reports on Form 10-Q, and our current reports on Form 8-K, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act. We make this information available on or through our website free of charge as soon as reasonably practicable after we electronically file the information with, or furnish it to, the SEC. In addition, the SEC maintains a website at www.sec.gov that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC.

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ITEM 1A. RISK FACTORS

You should consider carefully the following risk factors, together with all the other information in this report, including the section of this report titled “Part II, Item 7 — Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our consolidated financial statements and notes thereto. The occurrence of any events described in the following risk factors and the risks described elsewhere in this report could harm our business, operating results, financial condition, and/or growth prospects or cause our actual results to differ materially from those contained in forward-looking statements that we have made in this report and those may make from time to time. You should consider all of the risk factors described when evaluating our business.

Risks Related to the Discovery, Development and Commercialization of Our Product Candidates

We are in the clinical stage of drug development and have a very limited operating history and no products approved for commercial sale, which may make it difficult to evaluate our current business and predict our future success and viability.

We are a clinical stage biopharmaceutical company committed to researching, developing and commercializing transformative therapeutics to treat a broad spectrum of retinal diseases. We commenced operations in June 2009, have no products approved for commercial sale and have not generated any revenue. Drug development is a highly uncertain undertaking and involves a substantial degree of risk. We have conducted clinical trials, including Phase 3 pivotal clinical trials, of tarcocimab in patients with wet AMD, DME, DR and RVO. We completed enrollment for the Phase 3 GLOW2 clinical trial of tarcocimab in patients with DR and continued enrollment for the on-going Phase 3 DAYBREAK clinical trial of tarcocimab and KSI-501 in patients with wet AMD and Phase 1b APEX clinical trial of KSI-101 in patients with DME and patients with MESI.

To date, we have not obtained marketing approval for any of our product candidates, manufactured a commercial scale product, or conducted sales and marketing activities necessary for successful product commercialization. Our limited operating history as a company and stage of drug development make any assessment of our future success and viability subject to significant uncertainty. We will encounter risks and difficulties frequently experienced by biopharmaceutical companies in rapidly evolving fields, and we have not yet demonstrated an ability to successfully overcome such risks and difficulties. If we do not address these risks and difficulties successfully, our business will suffer.

Our prospects are heavily dependent on our tarcocimab, KSI-501 and KSI-101 product candidates, which are currently in clinical development for multiple indications.

Our prospects will be heavily dependent on our tarcocimab, KSI-501 and KSI-101 product candidates and the results of planned or pending clinical studies. We cannot be certain that our product candidates will be successful in any of the planned or pending clinical trials.

Our previous clinical trial results are not necessarily predictive of the results of our on-going or future discovery programs or any future preclinical or clinical studies. Our ability to demonstrate efficacy, safety and clinical durability in pivotal studies may be affected by the patient populations sampled and the design of our pivotal studies. Many companies in the pharmaceutical and biotechnology industries have suffered significant setbacks in late-stage clinical studies after achieving positive results in previous clinical studies, and we cannot be certain that we will not face similar setbacks. These setbacks have been caused by, among other things, preclinical findings made while clinical studies were underway or safety or efficacy observations made in preclinical studies and clinical studies, including previously unreported or unobserved adverse events as more patients are treated and followed for longer periods of time.

For example, in our Phase 2b/3 DAZZLE clinical trial evaluating the efficacy, durability and safety of tarcocimab in treatment-naïve subjects with neovascular wet AMD and in our Phase 3 GLEAM and GLIMMER studies, tarcocimab did not meet the primary efficacy endpoint of showing non-inferior visual acuity gains.

There can be significant variability in safety or efficacy results between different clinical studies of the same product candidate due to numerous factors, including changes in study procedures set forth in protocols, differences in the size and type of the patient populations, changes in and adherence to the clinical study protocols and the rate of dropout among clinical study participants. Moreover, preclinical and clinical data are often susceptible to varying interpretations and analyses, and many companies that believed their product candidates performed satisfactorily in preclinical studies and clinical studies nonetheless failed to obtain FDA approval. If approved, clinical study designs and data are not necessarily predictive of the final marketed product label. FDA may not approve a label for a particular dosing frequency, even if we believe the data demonstrate support for that dosing.

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We have conducted a Phase 1 study of KSI-501 to evaluate the safety, tolerability and bioactivity of KSI-501 in DME. Although we have continued enrolling patients in the Phase 3 DAYBREAK study for patients with wet AMD, it could take years before a registrational-type trial is completed, if at all. In addition, we initiated a dose-finding Phase 1b APEX study in 2024 and may initiate dual Phase 2b/3 studies, PEAK and PINNACLE. We may in the future develop other product candidates, advance additional product candidates into clinical trials and terminate such trials prior to their completion. It will take additional investment and time for such programs to reach the same stage of development as tarcocimab, KSI-501 and KSI-101.

The failure of pivotal studies of tarcocimab to meet their primary efficacy endpoints may lead us to pause, change or discontinue development of other product candidates based on our ABC Platform.

In July 2023, we announced that the Phase 3 GLEAM and GLIMMER clinical trials of tarcocimab did not meet their primary efficacy endpoints and, as a result, we paused further development of tarcocimab pending review of Year 1 data from the Phase 3 BEACON study in patients with RVO and the Phase 3 GLOW1 study patients with DR. Although we resumed the development of tarcocimab in November 2023, we may again determine to discontinue development of tarcocimab or our ABC Platform or other product candidates based on future information or trials results, which could prevent us from, or significantly delay, achieving profitability and could result in disruptions to our business including potential impairment charges, restructuring costs, or costs that are greater than expected.

Our plan for the development of tarcocimab, KSI-501 or KSI-101 may be unsuccessful.

We resumed further development of tarcocimab in November 2023 following the outcomes of two other trials that were then underway. While we have previous trials with favorable results and we have since resumed development of tarcocimab, further development of tarcocimab may ultimately not be successful. In connection with our development program, we developed an enhanced, commercial formulation of tarcocimab. While the FDA has advised that the additional clinical studies to be conducted with the revised formulation should be sufficient to bridge the former material to the go-to-market material, we cannot be sure that the FDA, EMA or comparable foreign regulatory authorities would agree or accept our planned BLA even if our planned additional trials are successful.

Research and development of biopharmaceutical products is inherently risky. We cannot give any assurance that any of our product candidates will receive regulatory, including marketing, approval, which is necessary before they can be commercialized.

We are at an early stage of development of our product candidates. Our future success is dependent on our ability to successfully develop, obtain regulatory approval for, and then successfully commercialize our product candidates, and we may fail to do so for many reasons, including the following:

our product candidates have in the past and may in the future not successfully complete preclinical studies or clinical trials;

if a product candidate obtains regulatory approval, approval may be for indications, dosage and administration or patient populations that are not as broad as intended or desired;

a product candidate may, on further study, be shown to have harmful side effects or other characteristics that indicate it is unlikely to be effective or otherwise does not meet applicable regulatory criteria, for example a positive benefit-risk profile;

our competitors may develop therapeutics that render our product candidates obsolete or less attractive;

our competitors may develop platform technologies that render our ABC Platform obsolete or less attractive;

the product candidates and ABC Platform that we develop may not be sufficiently covered by intellectual property for which we hold exclusive rights or may be covered by third party patents or other intellectual property or exclusive rights;

the market for a product candidate may change so that the continued development of that product candidate is no longer reasonable or commercially attractive;

a product candidate may not be capable of being produced in commercial quantities at an acceptable cost, or at all;

if a product candidate obtains regulatory approval, we may be unable to establish sales and marketing capabilities, or successfully market such approved product candidate, to gain market acceptance; and

a product candidate may not be accepted as safe and effective by patients, the medical community or third-party payors, if applicable.

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If any of these events occurs, we may be forced to abandon our development efforts for a product candidate or candidates, which would have a material adverse effect on our business and could potentially cause us to cease operations. Failure of a product candidate may occur at any stage of preclinical or clinical development, and, because our product candidates and our ABC Platform are in development, there is a relatively higher risk of failure and we may never succeed in developing marketable products or generating product revenue.

Further, we may not be successful in our efforts to further develop our product candidates and our ABC Platform in time to meet the current and identified market opportunity. We are not permitted to market or promote any of our product candidates before we receive regulatory approval from the FDA or comparable foreign regulatory authorities, and we may never receive such regulatory approval for any of our product candidates. Each of our product candidates is in various stages of development and will require significant additional clinical development, management of preclinical, clinical, and manufacturing activities, regulatory approval, adequate manufacturing supply, a commercial organization, and significant marketing efforts before we generate any revenue from product sales, if at all. Any clinical studies that we may conduct may not demonstrate the efficacy and safety necessary to obtain regulatory approval to market our product candidates. If the results of our on-going or future clinical studies are inconclusive with respect to the efficacy of our product candidates or if we do not meet the clinical endpoints with statistical significance or if there are safety concerns or adverse events associated with our product candidates, we may be prevented or delayed in obtaining marketing approval for our product candidates.

If any of our product candidates successfully completes clinical trials, we generally plan to seek regulatory approval to market our product candidates in the United States, the EU, and in additional foreign countries where we believe there is a viable commercial opportunity. We have never commenced, compiled or submitted an application seeking regulatory approval to market any product candidate in any jurisdiction. We may never receive regulatory approval to market any product candidates even if such product candidates successfully complete clinical trials, which would adversely affect our viability. To obtain regulatory approval in countries outside the United States, we must comply with numerous and varying regulatory requirements of such other countries regarding safety, efficacy, chemistry, manufacturing and controls, clinical trials, commercial sales, pricing, and distribution of our product candidates. We may also rely on our collaborators or partners to conduct the required activities to support an application for regulatory approval, and to seek approval, for one or more of our product candidates. We cannot be sure that our collaborators or partners will conduct these activities successfully or do so within the timeframe we desire. Even if we (or our collaborators or partners) are successful in obtaining approval in one jurisdiction, we cannot ensure that we will obtain approval in any other jurisdictions. If we are unable to obtain approval for our product candidates in multiple jurisdictions, our revenue and results of operations could be negatively affected.

Even if we receive regulatory approval to market any of our product candidates, we cannot assure you that any such product candidate will be successfully commercialized, widely accepted in the marketplace or more effective than other commercially available alternatives. That approval may be for indications, dosage and administration or patient populations that are not as broad as intended or desired or may require labeling that includes significant use or distribution restrictions or safety warnings. We may also be required to perform additional or unanticipated clinical studies to obtain approval or be subject to additional post-marketing testing requirements to maintain regulatory approval. In addition, regulatory authorities may withdraw their approval of a product or impose restrictions on its distribution, such as in the form of a modified Risk Evaluation and Mitigation Strategy, or REMS. The failure to obtain timely regulatory approval of product candidates, any product marketing limitations or a product withdrawal would negatively impact our business, results of operations and financial condition.

Investment in biopharmaceutical product development involves significant risk that any product candidate will fail to demonstrate adequate efficacy or an acceptable safety profile, gain regulatory approval, and become commercially viable. We cannot provide any assurance that we will be able to successfully advance any of our product candidates through the development process or, if approved, successfully commercialize any of our product candidates.

We may encounter substantial delays in our clinical trials, or may not be able to conduct or complete our clinical trials on the timelines we expect, if at all.

Clinical testing is expensive, time consuming, and subject to uncertainty. We cannot guarantee that any clinical trials will be conducted as planned or completed on schedule, if at all. We cannot be sure that submission of an IND application or a clinical trial application, or CTA, will result in the FDA, European Medicines Agency, or EMA, or any other regulatory authority as applicable, allowing clinical trials to begin in a timely manner, if at all. Moreover, even if these trials begin, issues may arise that could suspend or terminate such clinical trials. A failure of one or more clinical trials can occur at any stage of testing, and our future clinical trials may not be successful. Events that may prevent successful or timely initiation or completion of clinical trials include:

inability to generate sufficient preclinical, toxicology, or other in vivo or in vitro data to support the initiation or continuation of clinical trials;

delays in reaching a consensus with regulatory agencies on study design;

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the determination by the reviewing regulatory authority to require more costly or lengthy clinical trials than we currently anticipate;

delays in reaching agreement on acceptable terms with clinical trial sites or other third-party vendors, the terms of which can be subject to extensive negotiation and may vary significantly among different clinical trial sites or vendors;

delays in identifying, recruiting and training suitable clinical investigators;

delays in obtaining required Institutional Review Board, or IRB, approval at each clinical trial site;

imposition of a temporary or permanent clinical hold by regulatory agencies for a number of reasons, including after review of an IND or amendment, CTA or amendment, or equivalent application or amendment; as a result of a new safety finding that presents unreasonable risk to clinical trial participants; a negative finding from an inspection of our clinical trial operations or study sites; developments on trials conducted by competitors for related technology that raises FDA, EMA or any other regulatory authority concerns about risk to patients of the technology broadly; or if the FDA, EMA or any other regulatory authority finds that the investigational protocol or plan is clearly deficient to meet its stated objectives;

delays in identifying, recruiting and enrolling suitable patients to participate in our clinical trials, and delays caused by patients withdrawing from clinical trials or failing to return for post-treatment follow-up;

difficulty collaborating with patient groups and investigators;

failure by third parties or us to adhere to clinical trial requirements;

failure to perform in accordance with the FDA’s or any other regulatory authority’s good clinical practices, or GCPs, requirements, or applicable EMA or other regulatory guidelines in other countries;

occurrence of adverse events associated with the product candidate that are viewed to outweigh its potential benefits;

changes in regulatory requirements and guidance that require amending or submitting new clinical protocols;

changes in the standard of care on which a clinical development plan was based, which may require new or additional trials;

the cost of clinical trials of our product candidates being greater than we anticipate;

clinical trials of our product candidates producing negative or inconclusive results, which may result in our deciding, or regulators requiring us, to conduct additional clinical trials or abandon development of such product candidates;

transfer of manufacturing processes to larger-scale facilities operated by CMOs or by us, and delays or failure by our CMOs or us to make any necessary changes to such manufacturing process; and

delays in manufacturing, testing, releasing, validating, or importing/exporting sufficient stable quantities of our product candidates for use in clinical trials and for use in regulatory filings or the inability to do any of the foregoing.

Any inability to successfully initiate or complete clinical trials could result in additional costs to us or impair our ability to generate revenue. In addition, if we make manufacturing or formulation changes to our product candidates, we may be required to or we may elect to conduct additional studies to bridge our modified product candidates to earlier versions. Clinical trial delays could also shorten any periods during which our products have patent protection and may allow our competitors to bring products to market before we do, which could impair our ability to successfully commercialize our product candidates and may harm our business and results of operations.

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We could also encounter delays if a clinical trial is suspended or terminated by us, by the data safety monitoring board for such trial or by the FDA, EMA or any other regulatory authority, or if the IRBs of the institutions in which such trials are being conducted suspend or terminate the participation of their clinical investigators and sites subject to their review. Regulatory authorities may suspend or terminate a clinical trial due to a number of factors, including failure to conduct the clinical trial in accordance with regulatory requirements or our clinical protocols, inspection of the clinical trial operations or trial site by the FDA, EMA or other regulatory authorities resulting in the imposition of a clinical hold, unforeseen safety issues or adverse side effects, failure to demonstrate a benefit from using a product candidate, changes in governmental regulations or administrative actions or lack of adequate funding to continue the clinical trial. We may also face delays if we are unable to reach agreement with the FDA, EMA or other regulatory authorities regarding CMC matters, including methodologies for, and assessment of, comparability of manufacturing procedures and lots.

Delays in the commencement, conduct or completion of any clinical trial of our product candidates will increase our costs, slow down our product candidate development and approval process and delay or potentially jeopardize our ability to commence product sales and generate revenue. In addition, many of the factors that cause, or lead to, a delay in the commencement or completion of clinical trials may also ultimately lead to the denial of regulatory approval of our product candidates.

Our product candidates may cause undesirable side effects or have other properties that could halt their clinical development, prevent their regulatory approval, limit their commercial potential or result in significant negative consequences.

Adverse events or other undesirable side effects caused by our product candidates could cause us or regulatory authorities to interrupt, delay or halt clinical trials and could result in a more restrictive label or the delay or denial of regulatory approval by the FDA, EMA or other comparable foreign regulatory authorities.

During the conduct of clinical trials, patients report changes in their health, including illnesses, injuries, and discomforts, to their study doctor. Often, it is not possible to determine whether or not the product candidate being studied caused these conditions. It is possible that as we test our product candidates in larger, longer and more extensive clinical trials, or as use of these product candidates becomes more widespread if they receive regulatory approval, illnesses, injuries, discomforts and other adverse events that were not observed in earlier trials, as well as conditions that did not occur or went undetected in previous trials, will be reported by patients. Many times, side effects are only detectable after investigational products are tested in large-scale Phase 3 clinical trials or, in some cases, after they are made available to patients on a commercial scale after approval. If additional clinical experience indicates that any of our product candidates has side effects or causes serious or life-threatening side effects, the development of the product candidate may fail or be delayed, or, if the product candidate has received regulatory approval, such approval may be revoked, which would severely harm our business, prospects, operating results and financial condition. For example, in the tarcocimab arms of our completed GLEAM and GLIMMER clinical trials, we observed an unexpected increase in cataracts, which we believe may have contributed meaningfully to the failure of each study to meet its primary efficacy endpoint.

Our most advanced product candidate, tarcocimab, is an anti-VEGF biologic that we have studied in wet AMD, DME, DR and RVO. Our KSI-501 product candidate is a first-in-class bispecific antibody conjugate designed to inhibit two mechanisms implicated in retinal diseases: IL-6 and VEGF. Our KSI-101 product candidate is the unconjugated protein portion of KSI-501 and is a novel bispecific protein targeting IL-6 and VEGF. There are some potential side effects associated with intravitreal anti-VEGF therapies such as intraocular hemorrhage, intraocular pressure elevation, retinal detachment, inflammation, vasculitis, artery occlusion or infection inside the eye, progression of cataract, and over-inhibition of VEGF, as well as the potential for potential systemic side effects such as heart attack, stroke, wound healing problems and high blood pressure. Recent trends in the development of anti-VEGF therapies have favored increased molar dosages, as compared to currently marketed treatments. To date these heightened dosages have not exhibited a safety profile significantly worse than that of current treatments, as attributable to molar dose. However, anti-VEGF product candidates featuring higher molar dosages, including tarcocimab, KSI-501 and KSI-101 may heighten the risk of adverse effects associated with anti-VEGF treatments generally, both in the eye and in the rest of the body. There are risks inherent in the intravitreal injection procedure of drugs like tarcocimab, KSI-501 and KSI-101 which can cause injury to the eye and other complications including conjunctival hemorrhage, punctate keratitis, eye pain, conjunctival hyperemia, intra-ocular inflammation and endophthalmitis. Any additional toxicology signal observed, be it real or perceived, may negatively impact perceptions of utilization of tarcocimab, KSI-501 and KSI-101 in broader populations and impact clinical trial enrollment, regulatory approval and commercial success.

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Drug-related side effects could affect patient recruitment, the ability of enrolled patients to complete the study and/or result in potential product liability claims. We may not be able to maintain insurance coverage at a reasonable cost or in sufficient amounts to protect us against losses due to liability. A successful product liability claim or series of claims brought against us could cause our stock price to decline and, if judgments exceed our insurance coverage, could adversely affect our results of operations and business. In addition, regardless of merit or eventual outcome, product liability claims may result in impairment of our business reputation, withdrawal of clinical trial participants, costs due to related litigation, distraction of management’s attention from our primary business, initiation of investigations by regulators, substantial monetary awards to patients or other claimants, the inability to commercialize our product candidates and decreased demand for our product candidates, if approved for commercial sale.

Additionally, if one or more of our product candidates receives marketing approval, and we or others later identify undesirable side effects or adverse events caused by such products, a number of potentially significant negative consequences could result, including but not limited to:

regulatory authorities may withdraw approvals of such product;

regulatory authorities may require additional warnings on the label;

we may be required to change the way the product is administered or conduct additional clinical trials or post-approval studies;

we may be required to create a REMS plan, which could include a medication guide outlining the risks of such side effects for distribution to patients, a communication plan for healthcare providers and/or other elements to assure safe use;

we could be sued and held liable for harm caused to patients; and

our reputation may suffer.

Any of these events could prevent us from achieving or maintaining market acceptance of the particular product candidate, if approved, and could significantly harm our business, results of operations, and prospects.

We may encounter difficulties enrolling patients in our clinical trials, and our clinical development activities could thereby be delayed or otherwise adversely affected.

The timely completion of clinical trials in accordance with their protocols depends, among other things, on our ability to enroll a sufficient number of patients who remain in the trial until its conclusion. We may experience difficulties in patient enrollment in our clinical trials for a variety of reasons, including:

the size and nature of the patient population;

the patient eligibility criteria defined in the protocol, including certain highly-specific criteria related to stage of disease progression, which may limit the patient populations eligible for our clinical trials to a greater extent than competing clinical trials for the same indication that do not have such patient eligibility criteria;

the size of the study population required for analysis of the trial’s primary endpoints;

the proximity of patients to a trial site;

the effects of health epidemics, including the resulting shelter-in-place, travel or similar restrictions;

the design of the trial;

new safety events may cause physicians to decrease patient enrollment in our current or planned studies;

our ability to recruit clinical trial investigators with the appropriate competencies and experience;

competing clinical trials for similar therapies or targeting patient populations meeting our patient eligibility criteria;

clinicians’ and patients’ perceptions as to the potential advantages and side effects of the product candidate being studied in relation to other available therapies and product candidates;

our ability to obtain and maintain patient consents; and

the risk that patients enrolled in clinical trials will not complete such trials, for any reason.

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Our inability to enroll a sufficient number of patients for our clinical trials could result in significant delays or may require us to abandon one or more clinical trials altogether. Enrollment delays in our clinical trials may result in increased development costs for our product candidates, delay or halt the development of and approval processes for our product candidates and jeopardize our ability to commence sales of and generate revenues from our product candidates, which may harm our business and results of operation.

Our clinical trials may fail to demonstrate substantial evidence of the durability, efficacy and safety of our product candidates, which would prevent, delay or limit the scope of regulatory approval and commercialization.

Before obtaining regulatory approvals for the commercial sale of any of our product candidates, we must demonstrate through lengthy, complex and expensive preclinical studies and clinical trials that our product candidates are both safe and effective for use in each target indication. For those product candidates that are subject to regulation as biological drug products, we will need to demonstrate that they are safe, pure, and potent for use in their target indications. Each product candidate must demonstrate an adequate risk versus benefit profile in its intended patient population and for its intended use, which is especially true for anti-VEGF biologic agents, where available marketed therapies are well-established products with accepted safety profiles.

Source: SEC EDGAR (public domain) · 10-K for the period ended 2024-12-31, filed 2025-03-27 · accession 0000950170-25-046098

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