4D Molecular Therapeutics Officer Ashoo Gupta's Stock Transactions and RSU Vesting

This Form 4 filing reports equity transactions by Ashoo Gupta, VP of Finance and Controller at 4D Molecular Therapeutics (FDMT), on December 20, 2025. The filing details the vesting of restricted stock units (RSUs) and related stock sales to cover tax obligations. Specifically, 866 RSUs vested and converted to common stock, with 310 shares automatically sold at $8.68 per share to satisfy tax withholding requirements. Additionally, 220 RSUs vested and converted to common stock, with 79 shares automatically sold at the same price for tax purposes. Following these transactions, Gupta's total common stock holdings increased to 46,359 shares. The filing notes that these sales were mandatory "sell to cover" transactions for tax obligations and not discretionary trades. The RSUs vest quarterly based on service requirements, with different vesting schedules for the two awards.