Mark J. Foley - 28 May 2026 Form 4 Insider Report for GLAUKOS Corp (GKOS)

Reporting relationship: Director
Issuer ticker: GKOS
Reported as of: 28 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 Jun 2026, 18:18:48 UTC
Prior SEC filing: 07 Jan 2026
Source filing: View source filing
Reporting owner signature: Diana Scherer, Attorney-in-Fact

Key filing fact

Mark J. Foley filed Form 4 for GLAUKOS Corp (GKOS) on 01 Jun 2026.

Key facts

This page summarizes Mark J. Foley's Form 4 filing for GLAUKOS Corp (GKOS).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 01 Jun 2026, 18:18.

Change

Previous filing in this sequence was filed on 07 Jan 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 0001529196 Primary reporting owner

Foley Mark J

Relationship: Director
Address: C/O GLAUKOS CORPORATION, ONE GLAUKOS WAY, ALISO VIEJO
Signature: Diana Scherer, Attorney-in-Fact
Signature date: 01 Jun 2026

This filing has been restated. Open the amended filing.

Reported non-derivative transactions

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

GKOS transaction

Common Stock

Award

Transaction value
Shares: +1,878
Change %: +3.2%
Price: $0.000000^*
Shares after: 60,267
Date: 28 May 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GKOS transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +2,987
Change %
Price: $0.000000^*
Shares after: 2,987
Date: 28 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,987
Exercise price: $53.57
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common stock.

Footnote F2

Includes 5,154 restricted stock units that have not yet vested or been delivered to the Reporting Person.

Footnote F3

Granted pursuant to the Issuer's Director Compensation Policy. Vests in full on the one-year anniversary of grant date.