Joseph E. Gilliam - 25 Jun 2026 Form 4 Insider Report for GLAUKOS Corp (GKOS)

Reporting relationship: PRESIDENT & COO
Issuer ticker: GKOS
Reported as of: 25 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 29 Jun 2026, 18:06:16 UTC
Prior SEC filing: 04 May 2026
Source filing: View source filing
Reporting owner signature: Diana Scherer, Attorney-in-Fact

Key filing fact

Joseph E. Gilliam filed Form 4 for GLAUKOS Corp (GKOS) on 29 Jun 2026.

Key facts

This page summarizes Joseph E. Gilliam's Form 4 filing for GLAUKOS Corp (GKOS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 29 Jun 2026, 18:06.

Change

Previous filing in this sequence was filed on 04 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001705850 Primary reporting owner

Gilliam Joseph E

Relationship: PRESIDENT & COO
Address: C/O GLAUKOS CORPORATION, ONE GLAUKOS WAY, ALISO VIEJO
Signature: Diana Scherer, Attorney-in-Fact
Signature date: 29 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GKOS transaction

Common Stock

Tax liability

Transaction value
Shares: -1,056
Change %: -1.4%
Price: $142.57^*
Shares after: 72,363
Date: 25 Jun 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote 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.

Footnote F2

Includes 41,983 restricted stock units that have not yet vested or been delivered to the Reporting Person.