GLAUKOS Corp — Director's Dealing 2025

Mar 17, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GLAUKOS Corp (GKOS)
CIK: 0001192448
Period of Report: 2025-03-13

Reporting Person: Thurman Alex R. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-13	Common Stock	A	3303	—	Acquired	55274	Direct
2025-03-13	Common Stock	A	5010	—	Acquired	60284	Direct
2025-03-17	Common Stock	F	489	$102.19	Disposed	59795	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-13	Stock Option (Right to Buy)	$96.6	A	19849	Acquired	2035-03-13	Common Stock (19849)	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 14, 2024, the earning and 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 ("Compensation Committee") determined on March 13, 2025 that one 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 target. 100% of the number of shares of common stock reported herein were vested and delivered on March 13, 2025.

F2: Includes 26,201 restricted stock units that have not yet vested or been delivered to the Reporting Person and 324 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan

F3: Represents shares of common stock underlying an award of restricted stock units previously granted by the Issuer on April 1, 2024 pursuant to the Reporting Person's election to receive a portion of his annual bonus for 2024 in the form of restricted stock units rather than cash (the "Bonus Election"). The Compensation Committee determined on March 13, 2025 the annual bonus payable to the Reporting Person pursuant to the Issuer's 2024 executive bonus plan and the number of shares of common
stock earned by the Reporting Person in accordance with the Bonus Election, subject to continued employment through the vesting date.

F4: Includes 27,908 restricted stock units that have not yet vested or been delivered to the Reporting Person.

F5: 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 14, 2024.

F6: Includes 26,670 restricted stock units that have not yet vested or been delivered to the Reporting Person.

F7: This option was granted on March 13, 2025 and has a four-year vesting schedule in which 25% vests on the first anniversary of the grant date and the remainder vests in equal monthly installments for 36 months thereafter, such that the stock option vests in full on the four-year anniversary of the grant date