GLAUKOS Corp — Director's Dealing 2025

Sep 22, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GLAUKOS Corp (GKOS)
CIK: 0001192448
Period of Report: 2025-09-18

Reporting Person: Navratil Tomas (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-18	Common Stock	A	1948	—	Acquired	77417	Direct
2025-09-19	Common Stock	F	510	$83.47	Disposed	76907	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 18, 2021, 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 on September 18, 2025 that two of the operational targets had been achieved. The number of shares reported herein consists of the portion of the award that was deemed 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 on September 23, 2025 and the remaining 50% will vest and be delivered in June 2026.

F2: Includes 44,537 restricted stock units that have not yet vested or been delivered to the Reporting Person.

F3: 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 24, 2022.

F4: Includes 43,509 restricted stock units that have not yet vested or been delivered to the Reporting Person.