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From March 31,2026 to June 30,2026 Amounts reclassified from deposit liabilities upon the vesting of early-exercised stock options previously subject to repurchase Exercise of stock options Issuance of common stock related to ATM Program, net of fees and offering costs of $1,424 Issuance of common stock upon vesting and settlement of restricted stock units

From December 31,2025 to March 31,2026 Exercise of stock options Issuance of common stock upon vesting and settlement of restricted stock units Issuance of common stock upon exercise of common warrants Amounts reclassified from deposit liabilities upon the vesting of early-exercised stock options previously subject to repurchase Issuance of common stock under 2023 ESPP

From December 31, 2024 to December 31, 2025 Exercise of stock options Issuance of common stock upon vesting and settlement of restricted stock units Issuance of common stock upon vesting and settlement of performance restricted stock units Issuance of common stock under 2023 ESPP Amounts reclassified from deposit liabilities upon the vesting of early-exercised stock options previously subject to repurchase Issuance of common stock, pre-funded warrants and warrants to purchase common stock upon May 2025 Private Placement, net of commissions and offering costs of $6,917 Issuance of common stock and pre-funded warrants to purchase common stock upon October 2025 Financing Transactions, net of commissions and offering costs of $9,833 Issuance of common stock upon exercise of pre-funded warrants

Common Stock offered 15,625,000 shares by the company

From June 30, 2025 to September 30, 2025 Exercise of stock options Issuance of common stock upon vesting and settlement of restricted stock units Issuance of common stock upon exercise of pre-funded warrants Issuance of common stock under 2023 ESPP Amounts reclassified from deposit liabilities upon the vesting of early-exercised stock options previously subject to repurchase

From March 31, 2025 to June 30, 2025 Amounts reclassified from deposit liabilities upon the vesting of early-exercised stock options previously subject to repurchase Issuance of common stock upon vesting and settlement of restricted stock units Issuance of common stock, pre-funded warrants and warrants to purchase common stock upon May 2025 Private Placement Offering, net of commissions and offering costs of $6,917

From December 31, 2024 to March 31, 2025 Amounts reclassified from deposit liabilities upon the vesting of early-exercised stock options previously subject to repurchase Issuance of common stock under 2023 ESPP Issuance of common stock upon vesting and settlement of restricted stock units

From December 31, 2023 to December 31, 2024 Issuance of common stock upon private placement offering, net of commissions and offering costs of $6,288 Exercise of stock options Amounts reclassified from deposit liabilities upon the vesting of early-exercised stock options previously subject to repurchase Treasury stock repurchases

From June 30, 2024 to September 30, 2024 Amounts reclassified from deposit liabilities upon the vesting of early-exercised stock options previously subject to repurchase Exercise of stock options

From March 31, 2024 to June 30, 2024 Exercise of stock options Amounts reclassified from deposit liabilities upon the vesting of early-exercised stock options previously subject to repurchase Treasury stock repurchase

From December 31, 2023 to March 31, 2024 Exercise of stock options Amounts reclassified from deposit liabilities upon the vesting of early-exercised stock options previously subject to repurchase, net of proceeds received from early exercise of unvested stock options subject to repurchase and recorded as deposit liabilities Issuance of common stock upon private placement offering, net of commissions and offering costs of $6,246

From December 31,2022 to December 31,2023 Exercise of stock options Amounts reclassified from deposit liabilities upon the vesting of early-exercised stock options previously subject to repurchase, net of proceeds received from early exercise of unvested stock options subject to repurchase and recorded as deposit liabilities Conversion of SAFE Note into common stock in connection with initial public offering, net of issuance costs of $113 Issuance of common stock upon initial public offering and subsequent partial exercise of underwriters' option to purchase additional shares, net of underwriting discounts, commissions and offering costs of $11,285 Conversion of convertible preferred stock into common stock in connection with initial public offering, net of issuance costs of $519

1.Common stock offered 9,090,910 shares. 2.The number of shares of common stock to be outstanding after this offering is based on 16,078,418 shares of common stock outstanding as of June 30, 2023.