X0508 4 2025-12-11 0001192448 GLAUKOS Corp GKOS 0001705850 Gilliam Joseph E C/O GLAUKOS CORPORATION ONE GLAUKOS WAY ALISO VIEJO CA 92656 false true false false PRESIDENT & COO 0 Stock Option (Right to Buy) 55.18 2025-12-11 4 A 0 7316 0 A 2032-03-24 Common Stock 7316 65013 D Represents a portion of an option to purchase shares of common stock previously granted by the Issuer on March 24, 2022, the vesting of which was subject to the Issuer's achievement of certain pre-determined operational targets over a multi-year performance period. The Compensation, Nominating & Governance Committee of the Issuer's Board of Directors determined that certain of the operational targets had been achieved. The number of shares of common stock subject to the stock option as reported herein consists of the portion of the award that was earned based upon the achievement of the operational targets. 50% of the portion of the option reported herein will vest and become exercisable in March 2026. 50% of the portion of the option reported herein will vest and become exercisable in December 2026. Diana Scherer, Attorney-in-Fact 2025-12-15