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: Burns Thomas William (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-13	Common Stock	A	15418	—	Acquired	101276	Direct
2025-03-13	Common Stock	A	14183	—	Acquired	115459	Direct
2025-03-13	Common Stock	A	15113	—	Acquired	130572	Direct
2025-03-13	Common Stock	A	39596	—	Acquired	170168	Direct
2025-03-17	Common Stock	F	2013	$102.19	Disposed	168155	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-13	Stock Option (Right to Buy)	$96.60	A	24102	Acquired	2035-03-13	Common Stock (24102)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	893932	Indirect
Common Stock	238107	Indirect
Common Stock	120000	Indirect
Common Stock	100000	Indirect
Common Stock	100000	Indirect

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 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. 50% of the number of shares of common stock reported herein will vest and be delivered in May 2025 and the remaining 50% will vest and be delivered in February 2026.

F2: Includes 72,431 restricted stock units that have not yet vested or been delivered to the Reporting Person.

F3: 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 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.

F4: Includes 86,614 restricted stock units that have not yet vested or been delivered to the Reporting Person.

F5: 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.

F6: Includes 87,544 restricted stock units that have not yet vested or been delivered to the Reporting Person.

F7: Granted by the Issuer in the form of restricted stock units which vest over a four-year period, with 25% to vest on each anniversary of the grant date

F8: Includes 127,140 restricted stock units that have not yet vested or delivery of which has been deferred by the Reporting Person.

F9: 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.

F10: Includes 121,822 restricted stock units that have not yet vested or delivery of which has been deferred by the Reporting Person.

F11: 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