144 0001920053 XXXXXXXX LIVE 0001192448 GLAUKOS Corp 001-37463 1 GLAUKOS WAY ALISO VIEJO CA 92656 949-367-9600 Navratil Tomas Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

13744 2483097.96 58983937 08/28/2026 NYSE Common 01/01/2022 Restricted Stock Vesting Issuer N 1895 01/01/2022 Compensation Common 04/01/2022 Restricted Stock Vesting Issuer N 637 04/01/2022 Compensation Common 04/06/2022 Restricted Stock Vesting Issuer N 637 04/06/2022 Compensation Common 11/02/2022 Restricted Stock Vesting Issuer N 637 11/02/2022 Compensation Common 01/11/2023 Restricted Stock Vesting Issuer N 636 01/11/2023 Compensation Common 02/11/2023 Restricted Stock Vesting Issuer N 671 02/11/2023 Compensation Common 03/01/2023 Restricted Stock Vesting Issuer N 336 03/01/2023 Compensation Common 03/24/2023 Restricted Stock Vesting Issuer N 3358 03/24/2023 Compensation Common 04/01/2023 Restricted Stock Vesting Issuer N 637 04/01/2023 Compensation Common 04/10/2023 Restricted Stock Vesting Issuer N 839 04/10/2023 Compensation Common 04/20/2023 Restricted Stock Vesting Issuer N 335 04/20/2023 Compensation Common 10/17/2023 Restricted Stock Vesting Issuer N 517 10/17/2023 Compensation Common 02/24/2026 Restricted Stock Vesting Issuer N 578 02/24/2026 Compensation Common 03/13/2026 Restricted Stock Vesting Issuer N 2031 03/13/2026 Compensation N Tomas Navratil

1 Glaukos Way Aliso Viejo CA 92656

Common 06/16/2026 1537 200855.16 Tomas Navratil

1 Glaukos Way Aliso Viejo CA 92656

Common 07/01/2026 716 99566.96 08/28/2026 /s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Tomas Navratil