Burns Thomas William 4

4 · GLAUKOS Corp · Filed Mar 27, 2026

Research Summary

AI-generated summary of this filing

Updated Mar 28, 2026

GLAUKOS (GKOS) CEO Thomas Burns Receives Performance-Based Awards

What Happened
Thomas William Burns, Chairman and CEO of GLAUKOS Corp (GKOS), was the recipient of multiple performance-based awards reported on a Form 4 dated 2026-03-27 for transactions on 2026-03-25. The filing shows five award line items totaling 251,225 share-equivalents: 9,380 and 14,184 RSU shares reported at $0.00 (standard restricted stock units), plus three derivative awards covering 18,933, 110,254 and 98,474 share-equivalents (reported as derivative/option-related awards). These awards were granted/recognized because the company’s Compensation, Nominating and Governance Committee determined certain operational performance targets had been met. Portions of the awards vest in March 2026 and December 2026; a new option grant also carries a four‑year vesting schedule.

Key Details

Transaction date(s): 2026-03-25; Form 4 filed 2026-03-27 (timely filing).
Line items reported: 9,380 @ $0.00; 14,184 @ $0.00; 18,933 (derivative); 110,254 (derivative); 98,474 (derivative). Total share-equivalents reported = 251,225.
Shares owned after transaction: Not specified in the provided filing excerpt.
Notable footnotes:
- F1/F3/F7: Portions of prior performance-based RSU awards (granted 2022, 2024, 2023) were deemed earned after hitting operational targets; some portions vest/deliver March 2026 and others December 2026.
- F2/F4: The filing notes 68,779 and 82,963 RSUs, respectively, that remain unvested/not yet delivered.
- F5/F6: Part of a 2022 option award became earned; 50% of that portion vests in March 2026 and 50% in December 2026.
- F8: A new option granted on March 25, 2026 has a four-year schedule (25% after one year, then monthly vesting over 36 months).
Transaction code: A = Award/Grant. These are compensation/performance awards, not open-market purchases or sales.

Context

These are performance-based RSUs and option-related awards recognized after pre-determined operational targets were met — not cash purchases or sales. Awards (RSUs) are typically reported with $0 acquisition price because no cash changed hands at grant. Derivative entries reflect option/award accounting and vesting, not immediate cash proceeds.
For retail investors: awards to executives signal compensation/retention and recognition of achieved targets, but do not directly indicate the insider is buying or selling shares for investment reasons.

Insider Transaction Report

Form 4

Period: 2026-03-25

GLAUKOS CorpGKOS

Burns Thomas William

DirectorCHAIRMAN & CEO

Transactions

Award
Common Stock
[F1][F2]
2026-03-25+9,380→ 249,087 total
Award
Common Stock
[F3][F4]
2026-03-25+14,184→ 263,271 total
Award
Stock Option (Right to Buy)
[F5][F6]
2026-03-25$18933.00/sh+18,933$358,458,489→ 105,195 total
Exercise: $55.18Exp: 2032-03-24→ Common Stock (18,933 underlying)
Award
Stock Option (Right to Buy)
[F7]
2026-03-25$110254.00/sh+110,254$12,155,944,516→ 110,254 total
Exercise: $48.46From: 2026-03-25Exp: 2033-03-22→ Common Stock (110,254 underlying)
Award
Stock Option (Right to Buy)
[F8]
2026-03-25$98474.00/sh+98,474$9,697,128,676→ 98,474 total
Exercise: $109.60Exp: 2036-03-25→ Common Stock (98,474 underlying)

Holdings

Common Stock
(indirect: By Trust)
961,285
Common Stock
(indirect: By Trust)
238,107
Common Stock
(indirect: By Trust)
120,000
Common Stock
(indirect: By Trust)
100,000
Common Stock
(indirect: By Trust)
100,000

Footnotes (8)

[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.
[F2]Includes 68,779 restricted stock units that have not yet vested or been delivered to the Reporting Person.
[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.
[F4]Includes 82,963 restricted stock units that have not yet vested or been delivered to the Reporting Person.
[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.
[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.
[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.
[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.

Signature

Diana Scherer, Attorney-in-Fact|2026-03-27

Documents

1 file

4
form4-03282026_120327.xmlPrimary