GLAUKOS Corp — Director's Dealing 2025

Dec 15, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GLAUKOS Corp (GKOS)
CIK: 0001192448
Period of Report: 2025-12-11

Reporting Person: Navratil Tomas (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-11	Common Stock	A	2054	—	Acquired	77961	Direct

Footnotes

F1: Represents shares of common stock underlying a portion of an award of restricted stock units 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 and 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 reported herein consists of the portion of the
award that was earned based upon the achievement of the operational targets. 50% of the number of shares of common stock reported herein will vest and be delivered in March 2026, and the remaining 50% will vest and be delivered in December 2026.

F2: Includes 44,589 restricted stock units that have not yet vested or been delivered to the Reporting Person.