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Day One Biopharmaceuticals pany(DAWN) - 2023 Q1 - Quarterly Report

PART I. FINANCIAL INFORMATION Details unaudited interim financial statements and management's discussion and analysis for the period Item 1. Interim Condensed Consolidated Financial Statements (Unaudited) Presents Day One Biopharmaceuticals' unaudited condensed consolidated financial statements and notes for Q1 2023 and 2022 Condensed Consolidated Balance Sheets Details the company's financial position, including assets, liabilities, and equity, at specific reporting dates Condensed Consolidated Balance Sheets (in thousands) | Assets (in thousands) | March 31, 2023 | December 31, 2022 | | :-------------------- | :------------- | :---------------- | | Cash and cash equivalents | $49,268 | $85,262 | | Short-term investments | $268,911 | $257,007 | | Total current assets | $322,388 | $347,874 | | Total assets | $323,563 | $349,062 | | Total current liabilities | $22,848 | $16,615 | | Total liabilities | $23,148 | $17,023 | | Total stockholders' equity | $300,415 | $332,039 | - The company's total assets decreased from $349.1 million at December 31, 2022, to $323.6 million at March 31, 2023, primarily due to a decrease in cash and cash equivalents15 - Total liabilities increased from $17.0 million at December 31, 2022, to $23.1 million at March 31, 2023, driven by an increase in accounts payable and accrued expenses15 Condensed Consolidated Statements of Operations Presents the company's revenues, expenses, and net loss for the three-month periods Condensed Consolidated Statements of Operations (in thousands) | Operating Expenses (in thousands) | Three Months Ended March 31, 2023 | Three Months Ended March 31, 2022 | | :-------------------------------- | :-------------------------------- | :-------------------------------- | | Research and development | $27,828 | $15,003 | | General and administrative | $18,027 | $12,745 | | Total operating expenses | $45,855 | $27,748 | | Loss from operations | $(45,855) | $(27,748) | | Investment income, net | $3,466 | $2 | | Net loss attributable to common stockholders | $(42,393) | $(27,747) | | Net loss per share, basic and diluted | $(0.59) | $(0.48) | - Net loss attributable to common stockholders increased by 52.8% to $42.4 million for the three months ended March 31, 2023, compared to $27.7 million for the same period in 202218 - Research and development expenses significantly increased by 85.5% to $27.8 million in Q1 2023 from $15.0 million in Q1 2022, reflecting increased clinical trial and product development activities18 Condensed Consolidated Statements of Comprehensive Loss Outlines the net loss and other comprehensive income/loss components for the reporting periods Condensed Consolidated Statements of Comprehensive Loss (in thousands) | (in thousands) | Three Months Ended March 31, 2023 | Three Months Ended March 31, 2022 | | :------------- | :-------------------------------- | :-------------------------------- | | Net loss | $(42,393) | $(27,747) | | Other comprehensive loss: | | | | Unrealized gain on available-for-sale securities | $138 | — | | Total comprehensive loss | $(42,255) | $(27,747) | - Total comprehensive loss increased to $42.3 million for the three months ended March 31, 2023, from $27.7 million in the prior year, primarily driven by the higher net loss21 Condensed Consolidated Statements of Stockholders' Equity Details changes in stockholders' equity, including net loss, share-based compensation, and stock issuances Condensed Consolidated Statements of Stockholders' Equity (in thousands, except share amounts) | (in thousands, except share amounts) | Balance at Dec 31, 2022 | Issuance of common stock upon exercise of stock options | Share-based compensation expenses | Unrealized gain on available-for-sale securities | Net loss attributable to common stockholders | Balance at Mar 31, 2023 | | :----------------------------------- | :---------------------- | :-------------------------------------- | :-------------------------------- | :--------------------------------------------- | :------------------------------------------- | :---------------------- | | Common Shares | 73,458,176 | 75,184 | — | — | — | 73,572,633 | | Common Stock, $0.0001 par value | $7 | — | — | — | — | $7 | | Additional Paid-In Capital | $601,771 | $1,184 | $9,447 | — | — | $612,402 | | Accumulated Other Comprehensive Income (Loss) | $(71) | — | — | $138 | — | $67 | | Accumulated Deficit | $(269,668) | — | — | — | $(42,393) | $(312,061) | | Total Stockholders' Equity | $332,039 | $1,184 | $9,447 | $138 | $(42,393) | $300,415 | - Total stockholders' equity decreased from $332.0 million at December 31, 2022, to $300.4 million at March 31, 2023, primarily due to a net loss of $42.4 million, partially offset by share-based compensation expenses and stock option exercises24 - Accumulated deficit increased to $312.1 million as of March 31, 2023, from $269.7 million at December 31, 2022, reflecting ongoing operating losses24 Condensed Consolidated Statements of Cash Flows Summarizes cash inflows and outflows from operating, investing, and financing activities Condensed Consolidated Statements of Cash Flows (in thousands) | Cash Flows (in thousands) | Three Months Ended March 31, 2023 | Three Months Ended March 31, 2022 | | :------------------------ | :-------------------------------- | :-------------------------------- | | Net cash used in operating activities | $(25,985) | $(21,563) | | Net cash used in investing activities | $(11,193) | $(15) | | Net cash provided by financing activities | $1,184 | — | | Net decrease in cash and cash equivalents | $(35,994) | $(21,578) | | Cash and cash equivalents, end of period | $49,268 | $262,731 | - Net cash used in operating activities increased to $26.0 million in Q1 2023 from $21.6 million in Q1 2022, driven by a higher net loss and changes in operating assets and liabilities28158159 - Net cash used in investing activities significantly increased to $11.2 million in Q1 2023, primarily due to net purchases of short-term investments28160 Notes to Condensed Consolidated Financial Statements Provides detailed explanations and disclosures supporting the condensed consolidated financial statements 1. Description of Business and Organization Describes Day One Biopharmaceuticals' core business as a clinical-stage biopharmaceutical company - Day One Biopharmaceuticals, Inc. is a clinical-stage biopharmaceutical company focused on developing targeted therapies for life-threatening diseases, particularly in pediatric oncology31 2. Summary of Significant Accounting Policies Outlines the key accounting principles and policies applied in preparing the financial statements - The company's significant accounting policies remain consistent with those disclosed in its 2022 Annual Report on Form 10-K, with interim financial statements prepared in accordance with U.S. GAAP for interim reporting3334 - The company operates as a single reporting segment focused on identifying and advancing targeted therapies for genomically defined cancers38 - As an emerging growth company (EGC), Day One Biopharmaceuticals has elected to use the extended transition period for complying with new or revised accounting standards42 3. Recurring Fair Value Measurements Details the fair value hierarchy and measurements for financial assets, primarily investments Financial Assets Measured at Fair Value (in thousands) | Financial Assets (in thousands) | March 31, 2023 (Total Fair Value) | December 31, 2022 (Total Fair Value) | | :------------------------------ | :-------------------------------- | :----------------------------------- | | Money market funds | $33,059 | $18,765 | | U.S. treasury securities | $37,817 | $145,785 | | U.S. government agency securities | $234,087 | $136,022 | | Total assets measured at fair value | $304,963 | $300,572 | - The company's financial instruments measured at fair value primarily consist of money market funds (Level 1) and U.S. treasury and government agency securities (Level 2)4647 - As of March 31, 2023, there were no securities in an unrealized loss position for more than 12 months, and unrealized losses were primarily due to interest rate increases50 4. Balance Sheet Items Provides detailed breakdowns of specific balance sheet accounts, such as prepaid and accrued expenses Prepaid Expenses and Other Current Assets (in thousands) | Prepaid Expenses and Other Current Assets (in thousands) | March 31, 2023 | December 31, 2022 | | :--------------------------------------- | :------------- | :---------------- | | Prepaid research and development expenses | $2,753 | $3,007 | | Prepaid insurance | $674 | $1,592 | | Other prepaid expenses and other assets | $782 | $1,006 | | Total | $4,209 | $5,605 | Accrued Expenses and Other Current Liabilities (in thousands) | Accrued Expenses and Other Current Liabilities (in thousands) | March 31, 2023 | December 31, 2022 | | :-------------------------------------------- | :------------- | :---------------- | | Accrued research and development expenses | $11,283 | $7,554 | | Accrued payroll related expenses | $2,814 | $6,129 | | Accrued professional service expenses | $3,162 | $2,088 | | Other | $515 | $179 | | Total | $17,774 | $15,950 | - Accrued research and development expenses increased significantly from $7.6 million at December 31, 2022, to $11.3 million at March 31, 2023, reflecting increased R&D activities54 5. Significant Agreements Summarizes key licensing and asset acquisition agreements for product candidates - The company holds an exclusive worldwide license for pimasertib and MSC2015103B compounds from Merck KGaA, with potential milestone payments up to $364.5 million and high single-digit royalties on net sales5557 - Day One acquired technology rights for tovorafenib (DAY101) from Takeda, involving an upfront cash payment and issuance of Series A preferred stock, which was later exchanged for common stock6263 - The company has an exclusive worldwide license from Viracta Therapeutics for compounds binding the RAF protein family, with potential milestone payments up to $54.0 million and mid-single-digit tiered royalties on net sales6667 6. Commitments and Contingencies Discloses future lease obligations and potential contingent payments from various agreements Future Lease Obligations (in thousands) | Future Lease Obligations (in thousands) | March 31, 2023 | | :------------------------------------ | :------------- | | Remaining in 2023 | $345 | | 2024 | $424 | | Total future minimum lease payments | $769 | | Present value of operating lease liabilities | $717 | - The company has an operating lease for office space in Brisbane, California, with total base rent payments of approximately $1.1 million over a 31-month term commencing May 202271 - The company is party to various research and development agreements and license agreements that include contingent milestone and royalty payments, with no royalties due as of March 31, 2023, as all products are in development7678 7. Common Stock Details information regarding authorized, issued, and outstanding common stock and share reserves - As of March 31, 2023, Day One Biopharmaceuticals had 73,572,633 shares of common stock issued and outstanding, out of 500 million authorized shares81 - The company has reserved 15,710,481 shares of common stock for future issuances, including options, future grants, ESPP, and restricted stock units84 - No sales were made under the $150.0 million at-the-market offering program during the three months ended March 31, 202382 8. Share-based Compensation Reports on share-based compensation expenses and unrecognized compensation costs for equity awards Share-based Compensation Expense (in thousands) | Share-based Compensation Expense (in thousands) | Three Months Ended March 31, 2023 | Three Months Ended March 31, 2022 | | :---------------------------------------------- | :-------------------------------- | :-------------------------------- | | Research and development expense | $3,380 | $2,147 | | General and administrative expense | $6,067 | $4,055 | | Total share-based compensation expense | $9,447 | $6,202 | - Total share-based compensation expense increased by 52.3% to $9.4 million for the three months ended March 31, 2023, compared to $6.2 million for the same period in 2022105 - As of March 31, 2023, there was $96.6 million of unrecognized compensation cost related to unvested awards, expected to be recognized over approximately 3.0 years105 9. Net Loss Per Share Presents basic and diluted net loss per share calculations and related weighted-average shares Net Loss Per Share (in thousands except share and per share amounts) | (in thousands except share and per share amounts) | Three Months Ended March 31, 2023 | Three Months Ended March 31, 2022 | | :------------------------------------------------ | :-------------------------------- | :-------------------------------- | | Net loss attributable to common stockholders | $(42,393) | $(27,747) | | Net loss per share, basic and diluted | $(0.59) | $(0.48) | | Weighted-average number of common shares | 71,972,888 | 58,382,444 | - Basic and diluted net loss per share increased to $(0.59) for the three months ended March 31, 2023, from $(0.48) in the prior year, reflecting the higher net loss and increased weighted-average shares outstanding108 - Potentially dilutive securities, including stock options, unvested common shares, restricted stock units, and ESPP shares, totaling 11.8 million in Q1 2023, were excluded from diluted EPS calculation as their effect was anti-dilutive108 10. Defined Contribution Plan Details the company's matching contributions to its 401(k) defined contribution plan Defined Contribution Plan (in thousands) | (in thousands) | Three Months Ended March 31, 2023 | Three Months Ended March 31, 2022 | | :------------- | :-------------------------------- | :-------------------------------- | | Matching contributions | $800 | $200 | - The company's matching contributions to its 401(k) plan increased significantly to $0.8 million for the three months ended March 31, 2023, compared to $0.2 million for the same period in 2022109 Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations Analyzes Day One Biopharmaceuticals' financial condition, results of operations, liquidity, and capital resources Overview Provides a business overview, lead product candidates, and strategic focus on pediatric oncology - Day One Biopharmaceuticals is a clinical-stage biopharmaceutical company focused on developing targeted therapies for life-threatening diseases, particularly in pediatric cancer, with a mission to re-envision cancer drug development111112 - Tovorafenib (DAY101), the lead product candidate, is an oral, brain-penetrant, highly-selective pan-RAF kinase inhibitor, which has received Breakthrough Therapy, Orphan Drug, and Rare Pediatric Disease designations for pediatric low-grade glioma (pLGG)113114 - The company reported initial data from the pivotal Phase 2 FIREFLY-1 trial in January 2023, showing an overall response rate (ORR) of 64% and a clinical benefit rate of 91% in pLGG patients, with an NDA submission anticipated as early as Q2 2023115 - Pimasertib, the second product candidate, is an oral MEK inhibitor being evaluated in combination with tovorafenib in the FIRELIGHT-1 trial for MAPK-altered solid tumors117118 Inflation Reduction Act Assesses the anticipated impact of the Inflation Reduction Act of 2022 on the company's financials - The company does not anticipate a material impact on its income tax provision and cash taxes from the Inflation Reduction Act of 2022, based on initial evaluation126 Significant Agreements Summarizes key licensing and asset acquisition agreements for product candidates - The MRKDG License Agreement grants Day One exclusive worldwide rights to pimasertib and MSC2015103B, with potential milestone payments up to $364.5 million and high single-digit royalties127129 - The Takeda Asset Agreement involved the purchase of technology rights for tovorafenib (DAY101) and an exclusive license, with an upfront payment and equity issuance132133 - The Viracta License Agreement provides an exclusive worldwide license for RAF protein family compounds, requiring potential milestone payments up to $54.0 million and tiered mid-single-digit royalties on net sales136137 Components of Results of Operations Explains primary drivers and expected trends for R&D and general and administrative expenses - Research and development expenses include external costs for CROs, CMOs, and intellectual property licenses, as well as internal employee-related costs140141 - General and administrative expenses primarily consist of employee-related costs, professional services (legal, accounting, consulting), and other operational costs (rent, travel, IT)144 - Both R&D and G&A expenses are expected to increase substantially as the company advances product candidates, expands research, and builds commercial capabilities142145 Results of operations Compares operating expenses and net loss for the three months ended March 31, 2023 and 2022 Operating Expenses (in thousands) | Operating Expenses (in thousands) | March 31, 2023 | March 31, 2022 | $ Change | % Change | | :-------------------------------- | :------------- | :------------- | :------- | :------- | | Research and development | $27,828 | $15,003 | $12,825 | 85.5% | | General and administrative | $18,027 | $12,745 | $5,282 | 41.4% | | Total operating expenses | $45,855 | $27,748 | $18,107 | 65.3% | | Net Loss attributable to common stockholders | $(42,393) | $(27,747) | $(14,646) | 52.8% | - Research and development expenses increased by $12.8 million (85.5%) due to higher third-party clinical trial, manufacturing, and product development costs, and increased employee-related expenses147148 - General and administrative expenses rose by $5.3 million (41.4%), primarily driven by headcount growth and increased professional services for commercial capabilities and business expansion149 Liquidity and Capital Resources Discusses the company's cash position, funding sources, and future capital requirements - As of March 31, 2023, the company had $318.2 million in cash, cash equivalents, and short-term investments, which management believes is sufficient to fund operations into 2025124152 - The company has funded operations through IPO, follow-on offerings, and sales of redeemable convertible preferred shares and convertible notes, but expects to require substantial additional financing for future operations123152164 Cash Flows (in thousands) | Cash Flows (in thousands) | Three Months Ended March 31, 2023 | Three Months Ended March 31, 2022 | | :------------------------ | :-------------------------------- | :-------------------------------- | | Net cash used in operating activities | $(25,985) | $(21,563) | | Net cash used in investing activities | $(11,193) | $(15) | | Net cash provided by financing activities | $1,184 | — | Off-balance sheet arrangements Confirms the absence of material off-balance sheet arrangements, excluding indemnification agreements - The company does not have any off-balance sheet arrangements, as defined by SEC rules, other than indemnification agreements168 Critical accounting policies and use of estimates States that critical accounting policies remain consistent with the prior annual report - The company's critical accounting policies are consistent with those disclosed in its 2022 Annual Report on Form 10-K169 New Accounting Pronouncements Refers to Note 2 for details on recently issued and adopted accounting pronouncements - Information regarding recently issued and adopted accounting pronouncements is summarized in Note 2 of the Notes to Consolidated Financial Statements170 Emerging Growth Company Status Explains the benefits and upcoming loss of Emerging Growth Company status for the company - As an emerging growth company (EGC), Day One Biopharmaceuticals benefits from an extended transition period for adopting new or revised accounting standards171 - The company will lose its EGC status as of December 31, 2023, and will no longer be able to use these exemptions starting with its 2023 annual report171 Item 3. Quantitative and Qualitative Disclosures About Market Risk As a smaller reporting company, Day One Biopharmaceuticals is not required to provide market risk disclosures - The company is a smaller reporting company and is not required to provide quantitative and qualitative disclosures about market risk172 Item 4. Controls and Procedures Details the evaluation of disclosure controls and procedures and changes in internal control over financial reporting Evaluation of Disclosure Controls and Procedures Reports on the effectiveness of the company's disclosure controls and procedures as of March 31, 2023 - As of March 31, 2023, management concluded that the company's disclosure controls and procedures were effective at a reasonable assurance level173 Changes in Internal Control over Financial Reporting Confirms no material changes in internal control over financial reporting during Q1 2023 - There were no changes in internal control over financial reporting during Q1 2023 that materially affected, or are reasonably likely to materially affect, the company's internal control over financial reporting174 PART II. OTHER INFORMATION Presents other required information, including legal proceedings, risk factors, and equity sales Item 1. Legal Proceedings States that Day One Biopharmaceuticals is not currently a party to any material legal proceedings - The company is not subject to any material legal proceedings, nor are any currently pending or threatened177 Item 1A. Risk Factors Outlines significant risks impacting the business, including financial, operational, and regulatory challenges Summary of Risk Factors Highlights key risks such as limited operating history, capital needs, and clinical trial uncertainties - Key risks include a limited operating history, significant net losses, dependence on lead product candidate tovorafenib (DAY101), need for substantial additional capital, and uncertainties in clinical trials and regulatory approvals180 - Other risks involve manufacturing complexities, ability to retain key personnel, intellectual property protection, and competition in the biopharmaceutical industry180181 Risks Related to Our Financial Position and Need for Additional Capital Addresses risks associated with limited operating history, ongoing losses, and the need for future financing - The company has a limited operating history, no approved products, and has incurred significant net losses, making it difficult for investors to evaluate its viability and increasing the risk of never achieving profitability182186 - Substantial additional capital will be required to fund operations and achieve goals, with existing cash projected to last into 2025, but there's no assurance of obtaining adequate financing on acceptable terms198200 - Failure to raise capital could force delays, reductions, or elimination of research, product development, or commercialization efforts, and may result in dilution for stockholders199202203 Risks Related to Development and Commercialization of Our Product Candidates Covers risks in clinical trials, regulatory approvals, market competition, and product safety - Clinical trials are expensive, time-consuming, and have uncertain outcomes; earlier results may not predict later success, and product candidates may fail to demonstrate safety and efficacy, delaying or preventing regulatory approval205206212 - The company relies on investigator-initiated Phase 1 trial data for tovorafenib (DAY101) but does not control its operations or reporting, and additional data may not show similar results208209 - Adverse side effects or safety risks could delay or preclude approval, limit commercial potential, or lead to significant negative consequences post-approval, including withdrawal from the market233235239 - The market opportunities for product candidates may be smaller than estimated, limited to specific patient subsets, and subject to intense competition from existing and developing therapies, including other BRAF and MEK inhibitors222225244 Risks related to Government Regulation Details regulatory approval uncertainties, post-marketing requirements, and compliance with healthcare laws - The development and commercialization of pharmaceutical products are subject to extensive regulation, and there is no guarantee of timely regulatory approvals for tovorafenib (DAY101), pimasertib, or future product candidates256257 - Accelerated approval pathways may not lead to faster development or approval and do not increase the likelihood of marketing approval, with post-marketing confirmatory trials required and potential for withdrawal of approval263264 - Breakthrough Therapy designation for tovorafenib (DAY101) does not guarantee faster development or approval, nor does it change approval standards, and the designation can be withdrawn266267 - Failure to comply with ongoing post-marketing requirements, including promotion restrictions and cGMPs, could lead to substantial penalties, withdrawal of products, or limitations on marketing283284288289 - The company's relationships with healthcare providers and payors are subject to anti-kickback, fraud and abuse, transparency, and health privacy laws, with potential for significant penalties for non-compliance293295 - Recently enacted and future legislation, such as the Inflation Reduction Act, may increase the difficulty and cost of obtaining marketing approval and commercializing products, and could decrease prices296301303 Risks Related to Our Reliance on Third Parties Examines risks from dependence on third-party CROs, CMOs, and suppliers for development and manufacturing - The company relies heavily on third parties (CROs, CMOs, investigators) to conduct clinical trials and manufacturing, which introduces risks of delays, increased costs, non-compliance, or substandard performance323324327 - Manufacturing product candidates is complex and relies on third-party manufacturers, primarily in China, exposing the company to supply disruptions, increased costs, and geopolitical risks328 - Reliance on a limited number of sole suppliers for raw materials creates risks of capacity constraints, price increases, and supply chain disruptions due to various factors including natural disasters or economic conditions337 - Future collaborations for product development and commercialization may not be successful, leading to limited control over resources, potential competition from collaborators, and disputes over intellectual property338339 Risks Related to Employee Matters and Our Operations Discusses risks related to personnel retention, operational growth, misconduct, and cybersecurity - Future success depends on retaining executive officers and key employees and attracting qualified personnel in a highly competitive industry, particularly in the San Francisco Bay Area342344 - The company expects significant growth in employees and operations, which may be difficult to manage effectively due to limited financial resources and management experience in scaling a commercial enterprise345347 - The company is exposed to risks of misconduct by employees, clinical trial investigators, and third-party partners, which could lead to regulatory sanctions, reputational harm, and significant penalties348349 - Security breaches, cyber-attacks, or failures in information technology systems could disrupt development programs, compromise sensitive information, and expose the company to liability and reputational damage350351355 - Compliance with stringent and changing privacy, data protection, and data security laws (e.g., GDPR, CCPA) is costly and complex, with potential for government enforcement actions, fines, and litigation360362364 - Natural disasters, power outages, or other unforeseen events could disrupt operations, damage critical infrastructure, and adversely affect the business, with existing disaster recovery plans potentially inadequate371 Risks Related to Our Intellectual Property Highlights challenges in obtaining and maintaining patent protection and avoiding infringement claims - The company's commercial success depends on obtaining and maintaining patent protection, but the patent position in biopharmaceuticals is highly uncertain, with no assurance that patent applications will issue or provide sufficient competitive advantage377379381 - Operating without infringing third-party patents is crucial, but claims of infringement may arise, leading to costly litigation, development delays, or the need for expensive licensing agreements392394395 - Reliance on licensed intellectual property from third parties (e.g., Viracta, Takeda, Merck KGaA) means that termination or narrow interpretation of these agreements could materially adversely affect the ability to develop and commercialize product candidates398400404 - Patent terms may be inadequate to protect competitive position, and failure to obtain patent term extensions could allow competitors to launch products earlier427428 - Protecting intellectual property rights globally is challenging and expensive, with varying levels of protection in different countries, potentially allowing competitors to use technologies where patent protection is weak429430 Risks Related to Our Common Stock Addresses stock price volatility, lack of dividends, potential dilution, and anti-takeover provisions - An active and liquid trading market for common stock may not be sustained, potentially making it difficult for investors to resell shares at or above the purchase price445 - Quarterly operating results are expected to fluctuate significantly, and falling below investor or analyst expectations could cause the stock price to decline substantially447 - The market price of common stock is highly volatile due to various factors, including clinical trial results, regulatory developments, competition, and general economic conditions, which could lead to substantial losses for investors448451453 - The company does not intend to pay dividends, so investment return depends solely on stock price appreciation454 - Sales of a substantial number of shares by existing stockholders or future capital raises could dilute ownership interests and cause the stock price to decline455458 - Anti-takeover provisions in charter documents and Delaware law could prevent or delay an acquisition, even if beneficial to stockholders, and may hinder attempts to replace management465466 General Risk Factors Covers increased costs of public company operations, internal control effectiveness, and economic conditions - Operating as a public company incurs increased costs and requires substantial management time for compliance with regulations like Sarbanes-Oxley, especially after losing emerging growth company status474 - Failure to maintain effective internal controls over financial reporting could impair the ability to produce accurate financial statements, leading to loss of investor confidence and potential sanctions475476 - Unfavorable global economic conditions, including inflation, rising interest rates, and instability in the global banking system, could adversely affect the business, financial condition, and stock price480 Item 2. Unregistered Sales of Equity Securities and Use of Proceeds Confirms no unregistered equity sales and details the use of proceeds from the initial public offering Unregistered Sales of Equity Securities States that there were no unregistered sales of equity securities during the reported period - There were no unregistered sales of equity securities during the reported period481 Use of Proceeds Details the net proceeds from the IPO and confirms no material change in their planned use - The company completed its IPO on June 1, 2021, selling 11,500,000 shares at $16.00 per share, generating net proceeds of approximately $167.0 million482483 - There has been no material change in the planned use of proceeds from the IPO as described in the prospectus484 Item 3. Defaults Upon Senior Securities States that there were no defaults upon senior securities - There were no defaults upon senior securities485 Item 4. Mine Safety Disclosures This item is not applicable to Day One Biopharmaceuticals - This item is not applicable to the company486 Item 5. Other Information This section indicates that there is no other information to report - There is no other information to report under this item487 Item 6. Exhibits Lists the exhibits filed as part of this Quarterly Report on Form 10-Q, including certifications - The report includes certifications from the Principal Executive Officer and Principal Financial Officer, as well as Inline XBRL documents488489 SIGNATURES Confirms the official signing of the report by the company's principal executive and financial officers - The report is signed by Jeremy Bender, Ph.D., M.B.A., Chief Executive Officer and President, and Charles N. York II, M.B.A., Chief Operating Officer and Chief Financial Officer, on May 1, 2023492493