Glaukos (NYSE: GKOS) CEO exercises 166,000 options, shifts 67,353 shares to trust

Rhea-AI Filing Summary

Glaukos chairman and CEO Thomas W. Burns reported an option exercise and related share movements. On February 9, 2026, he exercised 166,000 stock options with a $30.92 exercise price, receiving 166,000 shares of common stock and bringing his directly held common stock to 255,621 shares, including 89,621 restricted stock units that have not yet vested or been delivered.

On February 6, 2026, 67,353 shares were transferred from his direct ownership to the Burns Family Trust, which is reported as indirectly holding 961,285 common shares. Additional indirect holdings are reported through several Burns-related trusts, including 238,107 shares via the Burns Annuity Trust and other irrevocable and charitable remainder trusts.

Insider Trade Summary

166,000 shares exercised/converted

Mixed 8 txns

Insider Burns Thomas William

Role CHAIRMAN & CEO

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	166,000	$0.00	--
Exercise	Common Stock	166,000	$30.92	$5.13M
Gift	Common Stock	67,353	$0.00	--
Gift	Common Stock	67,353	$0.00	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Option (Right to Buy) — 100,000 shares (Direct); Common Stock — 255,621 shares (Direct); Common Stock — 961,285 shares (Indirect, Through the Burns Family Trust)

Footnotes (1)

1. The transaction reflects shares transferred from the Reporting Person's direct ownership to the Burns Family Trust. Includes 89,621 restricted stock units that have not yet vested or been delivered to the Reporting Person. Additionally, the amount reported has been adjusted by 3,199 to correct a clerical error. These options vest over four years from the grant date, with 25% vesting on the first anniversary of the grant date and the remaining amount vesting in equal monthly installments over the following three years.

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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 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)
02/06/2026

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	02/06/2026		G		67,353(1)	D	$0	89,621(2)	D
Common Stock	02/06/2026		G		67,353(1)	A	$0	961,285	I	Through the Burns Family Trust
Common Stock	02/09/2026		M		166,000	A	$30.92	255,621(2)	D
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)	$30.92	02/09/2026		M			166,000	(3)	03/14/2028	Common Stock	166,000	$0	100,000	D

Explanation of Responses:

1. The transaction reflects shares transferred from the Reporting Person's direct ownership to the Burns Family Trust.

2. Includes 89,621 restricted stock units that have not yet vested or been delivered to the Reporting Person. Additionally, the amount reported has been adjusted by 3,199 to correct a clerical error.

3. These options vest over four years from the grant date, with 25% vesting on the first anniversary of the grant date and the remaining amount vesting in equal monthly installments over the following three years.

	Diana Scherer, Attorney-in-Fact	02/10/2026
	** 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.

FAQ

What insider transactions did Glaukos (GKOS) CEO Thomas W. Burns report?

Thomas W. Burns reported exercising 166,000 stock options on February 9, 2026 at a $30.92 exercise price, receiving 166,000 Glaukos common shares. He also reported a February 6, 2026 transfer of 67,353 shares from direct ownership to the Burns Family Trust.

How many Glaukos (GKOS) shares does Thomas W. Burns directly hold after these Form 4 transactions?

After the reported transactions, Thomas W. Burns directly holds 255,621 Glaukos common shares. This figure includes 89,621 restricted stock units that have not yet vested or been delivered and reflects an adjustment of 3,199 shares to correct a clerical error.

What is the exercise price of Thomas W. Burns’s Glaukos stock options?

The exercised Glaukos stock options have an exercise price of $30.92 per share. Burns exercised 166,000 of these options on February 9, 2026, receiving an equal number of common shares. The remaining options vest over four years from the original grant date.

What happened to the 67,353 Glaukos (GKOS) shares reported with transaction code G?

The 67,353 Glaukos shares reported with code G were transferred from Thomas W. Burns’s direct ownership to the Burns Family Trust. The filing describes this as a transfer, and following it, the Burns Family Trust is reported as indirectly holding 961,285 Glaukos common shares.

What indirect Glaukos shareholdings are reported for Thomas W. Burns on this Form 4?

The Form 4 reports indirect Glaukos holdings through several trusts, including 961,285 shares via the Burns Family Trust and 238,107 shares via the Burns Annuity Trust. Additional blocks are held through the Burns Charitable Remainder Trust and two irrevocable trusts for Thomas and Janet Burns.

How do restricted stock units factor into Thomas W. Burns’s Glaukos holdings?

Burns’s directly reported 255,621 Glaukos common shares include 89,621 restricted stock units that have not yet vested or been delivered. The filing notes this RSU component explicitly and also states that the reported amount was adjusted by 3,199 shares to correct a clerical error.