Tomas Navratil - 30 Dec 2025 Form 4 Insider Report for GLAUKOS Corp (GKOS)

Signature
Diana Scherer, Attorney-in-Fact
Issuer symbol
GKOS
Transactions as of
30 Dec 2025
Net transactions value
-$58,262
Form type
4
Filing time
31 Dec 2025, 18:40:11 UTC
Previous filing
15 Dec 2025
Next filing
26 Feb 2026

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 31 Dec 2025 0001920053

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GKOS Common Stock Tax liability $58,262 -510 -0.65% $114.24 77,451 30 Dec 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 Includes 43,562 restricted stock units that have not yet vested or been delivered to the Reporting Person.