GKOS CFO reports Rule 10b5-1 sale and holds 50,488 shares

Rhea-AI Filing Summary

GLAUKOS Corp (GKOS) senior executive stock sale disclosed. The company’s Senior Vice President and Chief Financial Officer reported selling 315 shares of common stock on 11/25/2025 at a price of $105 per share. After this transaction, the executive beneficially owns 50,488 shares of GLAUKOS common stock.

The filing notes that these sales were carried out under a Rule 10b5-1 trading plan adopted on June 11, 2025, which is a pre-arranged plan designed to allow insiders to sell stock over time according to set instructions. The reported holdings include 13,751 restricted stock units that have not yet vested or been delivered and 167 stock units acquired through the company’s employee stock purchase plan.

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).

X

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^*

Thurman Alex R.

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP & CHIEF FINANCIAL OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
11/25/2025

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	11/25/2025		S(1)		315	D	$105	50,488(2)	D

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

Explanation of Responses:

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2025.

2. Includes 13,751 restricted stock units that have not yet vested or been delivered to the Reporting Person and 167 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan

	Diana Scherer, Attorney-in-Fact	11/26/2025
	** 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 transaction did GLAUKOS Corp (GKOS) report on this Form 4?

The Senior Vice President and Chief Financial Officer of GLAUKOS Corp (GKOS) reported selling 315 shares of common stock on 11/25/2025 at a price of $105 per share.

How many GLAUKOS (GKOS) shares does the reporting person own after the sale?

Following the reported sale, the executive beneficially owns 50,488 shares of GLAUKOS common stock.

Was the GLAUKOS (GKOS) insider sale made under a Rule 10b5-1 trading plan?

Yes. The filing states the sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 11, 2025.

What portion of the GLAUKOS (GKOS) holdings are restricted stock units (RSUs)?

The beneficial ownership includes 13,751 restricted stock units that have not yet vested or been delivered to the reporting person.

Does the GLAUKOS (GKOS) Form 4 mention stock acquired through an employee plan?

Yes. The reported holdings also include 167 stock units purchased through the issuer’s Employee Stock Purchase Plan.

What is the role of the reporting person in GLAUKOS Corp (GKOS)?

The reporting person is identified as an Officer of GLAUKOS Corp, serving as SVP & Chief Financial Officer.