| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gilliam Joseph E | PRESIDENT & COO | C/O GLAUKOS CORPORATION, ONE GLAUKOS WAY, ALISO VIEJO | Diana Scherer, Attorney-in-Fact | 26 Feb 2026 | 0001705850 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GKOS | Common Stock | Tax liability | $125,963 | -1,057 | -1.1% | $119.17 | 91,309 | 24 Feb 2026 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Consists of shares withheld by the Issuer with respect to tax withholding obligations of the Reporting Person upon vesting and delivery of shares of common stock underlying restricted stock units previously granted by the Issuer on March 18, 2021. |
| F2 | Includes 60,661 restricted stock units that have not yet vested or been delivered to the Reporting Person. |