Glaukos (GKOS) director Kliman reports 623 restricted stock units granted

Rhea-AI Filing Summary

Glaukos Corp director Gilbert H. Kliman reported an equity grant of 623 restricted stock units on January 2, 2026. The award was made under the company’s Director Compensation Policy at a grant price of $0 per share. These units will vest in full on the one-year anniversary of the grant date and will be settled in the same number of Glaukos common shares. Following this grant, Kliman beneficially owns 35,528 shares of common stock, which includes 2,731 restricted stock units that have not yet vested or been delivered, as well as vested units for which delivery has been deferred.

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^*

Kliman Gilbert H

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/02/2026

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	01/02/2026		A		623(1)	A	$0	35,528(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. Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common stock.

2. Includes 2,731 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person.

	Diana Scherer, Attorney-in-Fact	01/07/2026
	** 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 transaction did Glaukos (GKOS) disclose for Gilbert H. Kliman?

Glaukos disclosed that director Gilbert H. Kliman received a grant of 623 restricted stock units of Glaukos common stock on January 2, 2026, reported as an acquisition at a grant price of $0 per share.

What are the vesting terms of the new restricted stock units granted to the Glaukos (GKOS) director?

The 623 restricted stock units granted to director Gilbert H. Kliman will vest in full on the one-year anniversary of the January 2, 2026 grant date and are payable in an equal number of Glaukos common shares.

How many Glaukos (GKOS) shares does Gilbert H. Kliman beneficially own after this transaction?

After the reported grant, Gilbert H. Kliman beneficially owns 35,528 shares of Glaukos common stock, which includes both vested and unvested restricted stock units as described in the footnotes.

How many unvested or undelivered restricted stock units does the Glaukos (GKOS) director hold?

The total beneficial ownership figure for Gilbert H. Kliman includes 2,731 restricted stock units that have not vested or been delivered, as well as restricted stock units that have vested but whose delivery has been deferred.

Was the Glaukos (GKOS) director’s award a purchase or a compensatory grant?

The 623 restricted stock units were a compensatory grant received under Glaukos’ Director Compensation Policy, not an open-market purchase, and were reported at a grant price of $0 per share.

What type of security was reported in this Glaukos (GKOS) Form 4 filing?

The Form 4 reports non-derivative ownership of Glaukos common stock, with the new award structured as restricted stock units that will convert into common shares upon vesting and settlement.