Glaukos (GKOS) director Mark J. Foley reports 1,168 RSU grant, 58,389 shares owned

Rhea-AI Filing Summary

Glaukos Corporation director Mark J. Foley reported an equity award in the form of restricted stock units. On 01/02/2026, he received 1,168 restricted stock units of Glaukos common stock at a stated price of $0 per share under the company’s Director Compensation Policy. These units will vest in full on the one-year anniversary of the grant date and are then payable in an equivalent number of Glaukos common shares.

Following this grant, Foley beneficially owns 58,389 shares of common stock, which the disclosure notes includes 3,276 restricted stock units that have not yet vested or been delivered.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Foley Mark J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,168	$0.00	--

Holdings After Transaction: Common Stock — 58,389 shares (Direct)

Footnotes (1)

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. Includes 3,276 restricted stock units that have not yet vested or been delivered to the Reporting Person.

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
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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^*

Foley Mark J

(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		1,168(1)	A	$0	58,389(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 3,276 restricted stock units that have not yet vested or been delivered to 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

Who is the insider reporting this Form 4 transaction for GLAUKOS (GKOS)?

The Form 4 is filed by Mark J. Foley, who is identified as a director of Glaukos Corporation and is not listed as an officer or 10% owner.

What transaction did Mark J. Foley report in this Glaukos (GKOS) Form 4?

He reported an acquisition (Code A) of 1,168 shares of Glaukos common stock in the form of a grant of restricted stock units on 01/02/2026 at a stated price of $0 per share.

How do the restricted stock units granted to Mark J. Foley vest?

The filing states that the 1,168 restricted stock units will vest in full on the one-year anniversary of the grant date and are then payable in an equivalent number of shares of Glaukos common stock.

How many Glaukos (GKOS) shares does Mark J. Foley beneficially own after this transaction?

After the reported grant, Mark J. Foley is shown as beneficially owning 58,389 shares of Glaukos common stock, including 3,276 restricted stock units that have not yet vested or been delivered.

Was this Glaukos (GKOS) Form 4 filed for multiple insiders or a single reporting person?

The filing indicates that it is a Form filed by one reporting person, namely director Mark J. Foley, rather than a joint or group filing.

Does the Form 4 indicate that the Glaukos (GKOS) transaction was made under a Rule 10b5-1 trading plan?

The form includes a checkbox for transactions made under a Rule 10b5-1(c) plan, but the provided excerpt does not show this transaction as being designated under such a plan.