Tomas Navratil - 18 Sep 2025 Form 4 Insider Report for GLAUKOS Corp (GKOS)

Signature
Diana Scherer, Attorney-in-Fact
Issuer symbol
GKOS
Transactions as of
18 Sep 2025
Transactions value $
-$42,570
Form type
4
Filing time
22 Sep 2025, 19:08:05 UTC
Previous filing
12 Sep 2025
Next filing
24 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Navratil Tomas CHIEF DEVELOPMENT OFFICER C/O GLAUKOS CORPORATION, ONE GLAUKOS WAY, ALISO VIEJO Diana Scherer, Attorney-in-Fact 22 Sep 2025 0001920053

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GKOS Common Stock Award $0 +1.95K +2.58% $0.00 77.4K 18 Sep 2025 Direct F1, F2
transaction GKOS Common Stock Tax liability -$42.6K -510 -0.66% $83.47 76.9K 19 Sep 2025 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.