Form 4 Filing for Gray Susannah at 4D Molecular Therapeutics, Inc.

This filing reports a stock option grant to Gray Susannah, a director at 4D Molecular Therapeutics, Inc. The option, for 50,000 shares of common stock, was granted on June 17, 2026, with an exercise price of $9.42 per share. The option vests over three years, with one-third vesting on June 17, 2027, and the remainder vesting monthly thereafter, contingent upon continued service. Full vesting is accelerated upon a Change in Control. The grant was made automatically under the company's non-employee director compensation program.