GLAUKOS Corp — Director's Dealing 2026

Jan 26, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GLAUKOS Corp (GKOS)
CIK: 0001192448
Period of Report: 2026-01-22

Reporting Person: Stapley Marc (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-22	Common Stock	M	15000	$24.69	Acquired	52449	Direct
2026-01-22	Common Stock	S	3812	$126.07	Disposed	48637	Direct
2026-01-22	Common Stock	S	3892	$126.96	Disposed	44745	Direct
2026-01-22	Common Stock	S	1671	$127.92	Disposed	43074	Direct
2026-01-22	Common Stock	S	4325	$129.11	Disposed	38749	Direct
2026-01-22	Common Stock	S	1300	$129.78	Disposed	37449	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-22	Stock Option (Right to Buy)	$24.69	M	15000	Disposed	2026-06-02	Common Stock (15000)	Direct

Footnotes

F1: Includes 2,835 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person.

F2: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2025.

F3: This transaction was executed in multiple trades at prices ranging from $125.59 to $126.55. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4: This transaction was executed in multiple trades at prices ranging from $126.756 to $127.56. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5: This transaction was executed in multiple trades at prices ranging from $127.58 to $128.30. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6: This transaction was executed in multiple trades at prices ranging from $128.59 to $129.59. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7: This transaction was executed in multiple trades at prices ranging from $129.62 to $130.00. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8: The option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2025.