Thomas W. Burns - 25 Mar 2026 Form 4 Insider Report for GLAUKOS Corp (GKOS)

Reporting relationship: CHAIRMAN & CEO, Director
Issuer ticker: GKOS
Reported as of: 25 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 Mar 2026, 20:33:31 UTC
Prior SEC filing: 25 Mar 2026
Next SEC filing: 03 Apr 2026
Source filing: View source filing
Reporting owner signature: Diana Scherer, Attorney-in-Fact

Key filing fact

Thomas W. Burns filed Form 4 for GLAUKOS Corp (GKOS) on 27 Mar 2026.

Key facts

This page summarizes Thomas W. Burns's Form 4 filing for GLAUKOS Corp (GKOS).
5 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 27 Mar 2026, 20:33.

Change

Previous filing in this sequence was filed on 25 Mar 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 0001644557 Primary reporting owner

Burns Thomas William

Relationship: CHAIRMAN & CEO, Director
Address: C/O GLAUKOS CORPORATION, ONE GLAUKOS WAY, ALISO VIEJO
Signature: Diana Scherer, Attorney-in-Fact
Signature date: 27 Mar 2026

Reported non-derivative transactions

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

GKOS transaction

Common Stock

Award

Transaction value
Shares: +9,380
Change %: +3.9%
Price: $0.000000^*
Shares after: 249,087
Date: 25 Mar 2026
Ownership: Direct
Footnotes: F1, F2

GKOS transaction

Common Stock

Award

Transaction value
Shares: +14,184
Change %: +5.7%
Price: $0.000000^*
Shares after: 263,271
Date: 25 Mar 2026
Ownership: Direct
Footnotes: F3, F4

GKOS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 961,285
Date: 25 Mar 2026
Ownership: Through the Burns Family Trust

GKOS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 238,107
Date: 25 Mar 2026
Ownership: Through the Burns Annuity Trust

GKOS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 120,000
Date: 25 Mar 2026
Ownership: Through the Burns Charitable Remainder Trust

GKOS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 100,000
Date: 25 Mar 2026
Ownership: Through the Thomas W. Burns Irrevocable Trust

GKOS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 100,000
Date: 25 Mar 2026
Ownership: Through the Janet M. Burns Irrevocable Trust

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: +18,933
Change %: +22%
Price: $18933.00^*
Shares after: 105,195
Date: 25 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 18,933
Exercise price: $55.18
Footnotes: F5, F6

GKOS transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +110,254
Change %
Price: $110254.00^*
Shares after: 110,254
Date: 25 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 110,254
Exercise price: $48.46
Footnotes: F7

GKOS transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +98,474
Change %
Price: $98474.00^*
Shares after: 98,474
Date: 25 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 98,474
Exercise price: $109.60
Footnotes: F8

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 8 footnotes

Footnote F1

Represents shares of common stock underlying a portion of an award of restricted stock units previously granted by the Issuer on March 24, 2022, the vesting of which was subject to the Issuer's achievement of certain pre-determined operational targets over a multi-year performance period. The Compensation, Nominating and Governance Committee of the Issuer's Board of Directors determined on March 25, 2026 that certain of the operational targets had been achieved. The number of shares of common stock reported herein consists of the portion of the award that was earned based upon the achievement of the operational targets. 50% of the number of shares of common stock reported herein will vest and be delivered in March 2026, and the remaining 50% will vest and be delivered in December 2026.

Footnote F2

Includes 68,779 restricted stock units that have not yet vested or been delivered to the Reporting Person.

Footnote F3

Represents shares of common stock underlying a portion of an award of restricted stock units previously granted by the Issuer on March 14, 2024, the vesting of which was subject to the Issuer's achievement of certain pre-determined operational targets over a multi-year performance period. The Compensation, Nominating and Governance Committee of the Issuer's Board of Directors determined on March 25, 2026 that certain of the operational targets had been achieved. The number of shares reported herein consists of the portion of the award that was deemed earned based upon the achievement of the operational target. 100% of the number of shares of common stock reported herein will vest and be delivered in March 2026.

Footnote F4

Includes 82,963 restricted stock units that have not yet vested or been delivered to the Reporting Person.

Footnote F5

Represents a portion of an option to purchase shares of common stock previously granted by the Issuer on March 24, 2022, the vesting of which was subject to the Issuer's achievement of certain pre-determined operational targets over a multi-year performance period. The Compensation, Nominating and Governance Committee of the Issuer's Board of Directors determined on March 25, 2026 that certain of the operational targets had been achieved. The number of shares of common stock subject to the stock option as reported herein consists of the portion of the award that was earned based upon the achievement of the operational targets.

Footnote F6

50% of the portion of the option reported herein will vest and become exercisable in March 2026. 50% of the portion of the option reported herein will vest and become exercisable in December 2026.

Footnote F7

Represents shares of common stock underlying a portion of an award of restricted stock units previously granted by the Issuer on March 22, 2023, the vesting of which was subject to the Issuer's achievement of certain pre-determined operational targets over a multi-year performance period. The Compensation, Nominating and Governance Committee of the Issuer's Board of Directors determined on March 25, 2026 that certain of the operational targets had been achieved. The number of shares of common stock subject to the stock option as reported herein consists of the portion of the award that was earned based upon the achievement of the operational targets.

Footnote F8

This option was granted on March 25, 2026 and has a four-year vesting schedule in which 25% vests on the first anniversary of the grant date and the remainder vests in equal monthly installments for 36 months thereafter, such that the stock option vests in full on the four-year anniversary of the grant date.

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