Glaukos director Weisner gifts 2,382 shares

The director reported 15,801 directly held shares and indirect holdings of 31,887 and 2,000 shares through two family trusts after the transfer.

Available on EDGAR 11/03/2026 - 09:53 PM EST Accepted by SEC EDGAR 11/03/2026 - 09:53 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

GLAUKOS Corp director Aimee S. Weisner reported a gift transfer of 2,382 shares of Common Stock on October 30, 2026, from her direct ownership to the Saeman-Weisner Family Trust. After the transfer, she reported 15,801 shares held directly and 31,887 shares through that trust. She also reported 2,000 shares through the Weisner Saeman Family Irrevocable Trust.

Insider Trade Summary

4,764 shares gifted

Gift 2 txns

Insider WEISNER AIMEE S

Role Director

Type	Security	Shares	Price	Value
Gift	Common Stock F1	2,382	$0.00	$0.00
Gift	Common Stock	2,382	$0.00	$0.00
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 15,801 shares (Direct); Common Stock — 31,887 shares (Indirect, Through the Saeman-Weisner Family Trust); Common Stock — 2,000 shares (Indirect, Through the Weisner Saeman Family Irrevocable Trust)

Footnotes (1)

1. F1. The transaction reflects shares transferred from the Reporting Person's direct ownership to the Saeman-Weisner Family Trust.

Key Figures

Shares transferred as a gift: 2,382 shares Direct shares held after transfer: 15,801 shares Shares held through Saeman-Weisner Family Trust: 31,887 shares +1 more

4 metrics

Shares transferred as a gift 2,382 shares October 30, 2026; from direct ownership to the Saeman-Weisner Family Trust

Direct shares held after transfer 15,801 shares Reported after the October 30, 2026 transfer

Shares held through Saeman-Weisner Family Trust 31,887 shares Reported after the October 30, 2026 transfer

Shares held through Weisner Saeman Family Irrevocable Trust 2,000 shares Reported on October 30, 2026

Key Terms

Bona fide gift, Common Stock, direct ownership

3 terms

Bona fide gift financial

"Bona fide gift"

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

Common Stock financial

"2,382 shares of Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

direct ownership financial

"transferred from the Reporting Person's direct ownership"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many GKOS shares did Aimee S. Weisner transfer as a gift?

Aimee S. Weisner reported transferring 2,382 shares from her direct ownership to the Saeman-Weisner Family Trust on October 30, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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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^*

WEISNER AIMEE S

(Last) (First) (Middle)

C/O GLAUKOS CORPORATION

229 AVENIDA FABRICANTE

(Street)

SAN CLEMENTE CALIFORNIA 92672

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/30/2026

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	10/30/2026		G		2,382(1)	D	$0	15,801	D
Common Stock	10/30/2026		G		2,382	A	$0	31,887	I	Through the Saeman-Weisner Family Trust
Common Stock								2,000	I	Through the Weisner Saeman Family 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

Explanation of Responses:

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

	/s/ Robert Davis, Attorney-in-Fact	11/03/2026
	** 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)