Thomas William Burns - 23 Sep 2025 Form 4 Insider Report for GLAUKOS Corp (GKOS)

Role
CHAIRMAN & CEO, Director
Signature
Diana Scherer, Attorney-in-Fact
Issuer symbol
GKOS
Transactions as of
23 Sep 2025
Transactions value $
-$343,757
Form type
4
Filing time
24 Sep 2025, 18:52:52 UTC
Previous filing
22 Sep 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Burns Thomas William CHAIRMAN & CEO, Director C/O GLAUKOS CORPORATION, ONE GLAUKOS WAY, ALISO VIEJO Diana Scherer, Attorney-in-Fact 24 Sep 2025 0001644557

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GKOS Common Stock Tax liability -$343,756 -4,059 -2.62% $84.69 150,705 23 Sep 2025 Direct F1, F2
holding GKOS Common Stock 893,932 23 Sep 2025 Through the Burns Family Trust
holding GKOS Common Stock 238,107 23 Sep 2025 Through the Burns Annuity Trust
holding GKOS Common Stock 120,000 23 Sep 2025 Through the Burns Charitable Remainder Trust
holding GKOS Common Stock 100,000 23 Sep 2025 Through the Thomas W. Burns Irrevocable Trust
holding GKOS Common Stock 100,000 23 Sep 2025 Through the Janet M. Burns Irrevocable Trust
* 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 18, 2021.
F2 Includes 87,537 restricted stock units that have not yet vested or been delivered to the Reporting Person.