144 0001920061 XXXXXXXX LIVE 0001192448 GLAUKOS Corp 001-37463 1 GLAUKOS WAY ALISO VIEJO CA 92656 949-367-9600 Thurman Alex R. Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

1521 160070.04 58078812 03/24/2026 NYSE Common 03/22/2026 Restricted Stock Vesting Issuer N 1521 03/22/2026 Compensation N Alex Thurman

One Glaukos Way Aliso Viejo CA 92656

Common 03/17/2026 625 61968.75 03/24/2026 12/15/2025 /s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Alex R. Thurman