Glaukos (GKOS) CEO gains RSUs and options after targets met

Rhea-AI Filing Summary

Glaukos Corp Chairman and CEO Thomas William Burns reported multiple equity compensation awards tied to performance goals. He received stock options covering 18,933 shares of common stock at an exercise price of $55.18 per share and 110,254 shares at $48.46 per share, reflecting portions of earlier performance-based grants that were earned after the board determined certain operational targets were achieved on March 25, 2026. He was also granted a new option for 98,474 shares at an exercise price of $109.60 per share, which vests over four years. In addition, he acquired 9,380 and 14,184 shares of common stock from performance-based restricted stock unit awards, with specified vesting in March and December 2026. Following these awards, he holds 263,271 common shares directly and maintains significant indirect holdings through various Burns family trusts.

Insider Trade Summary

10 transactions reported

Mixed 10 txns

Insider Burns Thomas William

Role CHAIRMAN & CEO

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	18,933	$18,933.00	$358.46M
Grant/Award	Stock Option (Right to Buy)	110,254	$110,254.00	$12.16B
Grant/Award	Stock Option (Right to Buy)	98,474	$98,474.00	$9.70B
Grant/Award	Common Stock	9,380	$0.00	--
Grant/Award	Common Stock	14,184	$0.00	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Option (Right to Buy) — 105,195 shares (Direct); Common Stock — 249,087 shares (Direct); Common Stock — 961,285 shares (Indirect, Through the Burns Family Trust)

Footnotes (1)

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

Form 4 Insider Transactions: What Each Field Means →

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 CALIFORNIA 92656

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/25/2026

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

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

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

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	03/25/2026		A		9,380(1)	A	$0	249,087(2)	D
Common Stock	03/25/2026		A		14,184(3)	A	$0	263,271(4)	D
Common Stock								961,285	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	03/25/2026		A		18,933(5)		(6)	03/24/2032	Common Stock	18,933	$18,933	105,195	D
Stock Option (Right to Buy)	$48.46	03/25/2026		A		110,254(7)		03/25/2026	03/22/2033	Common Stock	110,254	$110,254	110,254	D
Stock Option (Right to Buy)	$109.6	03/25/2026		A		98,474		(8)	03/25/2036	Common Stock	98,474	$98,474	98,474	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 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.

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

3. 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.

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

5. 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.

6. 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.

7. 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.

8. 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.

	Diana Scherer, Attorney-in-Fact	03/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did Glaukos (GKOS) CEO Thomas Burns report in this Form 4?

Thomas Burns reported equity compensation awards, including stock options and performance-based restricted stock units. These awards were earned or granted after Glaukos met certain operational targets determined by the board’s compensation committee on March 25, 2026.

How many Glaukos (GKOS) stock options were awarded to the CEO?

The CEO reported options for 18,933 shares at $55.18, 110,254 shares at $48.46, and a new grant for 98,474 shares at $109.60. These option awards are part of long-term, performance-linked and time-vested compensation packages.

What performance-based stock awards did the Glaukos (GKOS) CEO earn?

He earned 9,380 and 14,184 shares of common stock from restricted stock unit awards granted in 2022 and 2024. These were based on Glaukos achieving pre-determined operational targets over multi-year performance periods, as confirmed by the board committee on March 25, 2026.

How do the new Glaukos (GKOS) CEO options vest over time?

The option for 98,474 shares granted on March 25, 2026 vests over four years. Twenty-five percent vests on the first anniversary, and the remaining shares vest in equal monthly installments over the next 36 months, fully vesting on the fourth anniversary.

How many Glaukos (GKOS) shares does the CEO own directly after these awards?

After these transactions, Thomas Burns directly holds 263,271 shares of Glaukos common stock. This direct ownership is in addition to his option holdings and substantial indirect interests through several Burns family-related trusts.

What indirect Glaukos (GKOS) holdings are reported for the CEO?

Indirect holdings include 961,285 shares through the Burns Family Trust, 238,107 shares through the Burns Annuity Trust, 120,000 shares via the Burns Charitable Remainder Trust, and two irrevocable trusts each reporting 100,000 shares, providing substantial additional exposure.