Glaukos (NYSE: GKOS) CEO reports new performance-based RSUs and options

Rhea-AI Filing Summary

Glaukos Corporation’s chairman and CEO reported earning 4,168 shares of common stock tied to a performance-based restricted stock unit award granted on March 24, 2022. The board’s Compensation, Nominating and Governance Committee determined certain operational targets were achieved, so this portion of the award was earned at a reported price of $0 per share.

Half of these 4,168 shares are scheduled to vest and be delivered in March 2026 and the other half in December 2026. Following this transaction, 154,873 shares are beneficially owned directly, including 91,705 restricted stock units that have not yet vested or been delivered, and additional indirect holdings are reported through several Burns family and charitable trusts. The CEO also acquired 8,416 stock options at an exercise price of $55.18 per share from the same 2022 performance award, which will vest 50% in March 2026 and 50% in December 2026 and are part of 86,262 stock options held directly, expiring on March 24, 2032.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Burns Thomas William

(Last) (First) (Middle)

C/O GLAUKOS CORPORATION

ONE GLAUKOS WAY

(Street)

ALISO VIEJO CA 92656

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
GLAUKOS Corp [ GKOS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHAIRMAN & CEO

3. Date of Earliest Transaction (Month/Day/Year)
12/11/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/11/2025		A		4,168(1)	A	$0	154,873(2)	D
Common Stock								893,932	I	Through the Burns Family Trust
Common Stock								238,107	I	Through the Burns Annuity Trust
Common Stock								120,000	I	Through the Burns Charitable Remainder Trust
Common Stock								100,000	I	Through the Thomas W. Burns Irrevocable Trust
Common Stock								100,000	I	Through the Janet M. Burns Irrevocable Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$55.18	12/11/2025		A		8,416(3)		(4)	03/24/2032	Common Stock	8,416	$0	86,262	D

Explanation of Responses:

1. 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 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.

2. Includes 91,705 restricted stock units that have not yet vested or been delivered to the Reporting Person.

3. 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 & Governance Committee determined 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.

4. 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.

	Diana Scherer, Attorney-in-Fact	12/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did Glaukos (GKOS) report for its CEO?

The chairman and CEO of Glaukos Corporation (GKOS) reported earning 4,168 shares of common stock from a performance-based restricted stock unit award granted on March 24, 2022, and 8,416 stock options from a related performance-based option grant.

When will the 4,168 performance-based RSUs for Glaukos CEO vest?

For the CEOs 4,168 performance-based RSUs, 50% of the shares are scheduled to vest and be delivered in March 2026, and the remaining 50% in December 2026, based on the Compensation, Nominating and Governance Committees determination that certain operational targets were achieved.

What stock options did the Glaukos CEO report in this Form 4?

The CEO reported acquiring 8,416 stock options with an exercise price of $55.18 per share, linked to a March 24, 2022 performance-based grant. These options vest 50% in March 2026 and 50% in December 2026 and are part of 86,262 stock options beneficially owned directly, with an expiration date of March 24, 2032.

How many Glaukos shares does the CEO own directly after this transaction?

After the reported transaction, the CEO beneficially owns 154,873 shares of Glaukos common stock directly, which includes 91,705 restricted stock units that have not yet vested or been delivered.

What indirect Glaukos share holdings are reported for the CEO on this Form 4?

In addition to direct holdings, the CEO reports indirect ownership of Glaukos common stock through several trusts, including 893,932 shares through the Burns Family Trust, 238,107 shares through the Burns Annuity Trust, 120,000 shares through the Burns Charitable Remainder Trust, and 100,000 shares each through the Thomas W. Burns Irrevocable Trust and the Janet M. Burns Irrevocable Trust.

What performance conditions were tied to the Glaukos CEOs 2022 equity awards?

The reported RSUs and stock options stem from March 24, 2022 equity awards whose vesting depended on pre-determined operational targets over a multi-year performance period. The Compensation, Nominating and Governance Committee determined that certain of these operational targets had been achieved, resulting in the 4,168 shares and 8,416 options being earned.