Glaukos holder plans $475K stock sale in 2026

GLAUKOS Corp (GKOS) is the issuer for a planned resale of its common stock under Rule 144 by shareholder Gilbert H. Kliman.

Rhea-AI Filing Summary

GLAUKOS Corp (GKOS) is the issuer for a planned resale of its common stock under Rule 144 by shareholder Gilbert H. Kliman. The notice covers the potential sale of 2,500 shares of Glaukos common stock through Fidelity Brokerage Services LLC on or after 08/19/2026 on the NYSE.

The shares to be sold are tied to a stock option exercise for cash, with an aggregate market value listed as $475,000.00. Fidelity signed the notice as attorney-in-fact for Kliman.

Key Figures

Shares to be sold: 2,500 shares Aggregate market value: $475,000.00 Planned sale date: 08/19/2026

3 metrics

Shares to be sold 2,500 shares Common stock covered by the Rule 144 notice

Aggregate market value $475,000.00 Market value of the 2,500 shares listed in the notice

Planned sale date 08/19/2026 Effective date for stock option exercise and intended sale

Key Terms

Rule 144, stock option exercise, attorney-in-fact

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

stock option exercise financial

"Common | 08/19/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

attorney-in-fact regulatory

"as attorney-in-fact for Gilbert H. Kliman"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

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

What does the Form 144 filing mean for GLAUKOS Corp (GKOS)?

The filing reports a planned resale of 2,500 shares of Glaukos common stock by shareholder Gilbert H. Kliman under Rule 144. It is a disclosure of potential sales, not an issuance of new shares by the company.

How many GLAUKOS Corp (GKOS) shares are covered by this Form 144?

The notice covers up to 2,500 shares of Glaukos common stock. These shares may be sold on or after 08/19/2026 through Fidelity Brokerage Services LLC on the NYSE, subject to Rule 144 conditions.

What is the aggregate market value of the GLAUKOS Corp (GKOS) shares in this Form 144?

The Form 144 lists an aggregate market value of $475,000.00 for the 2,500 shares of Glaukos common stock. This figure is based on the filer’s stated market value at the time of the notice.

Who is selling GLAUKOS Corp (GKOS) shares according to this Form 144?

The planned sale is for the account of Gilbert H. Kliman. Fidelity Brokerage Services LLC is identified as the broker, and the form is signed by Wade Moss as attorney-in-fact for Kliman.

How will the GLAUKOS Corp (GKOS) shares be obtained for the Form 144 sale?

The 2,500 shares to be sold are associated with a stock option exercise for cash from the issuer, effective on 08/19/2026. After exercise, the shares may be resold under Rule 144.

On which market are the GLAUKOS Corp (GKOS) shares intended to be sold?

The Form 144 specifies that the 2,500 shares of Glaukos common stock may be sold on the NYSE. Fidelity Brokerage Services LLC is listed as the broker handling the potential transactions.

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

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Available on EDGAR 08/19/2026 - 04:22 PM Accepted by SEC EDGAR 08/19/2026 - 04:22 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001293171
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	GLAUKOS Corp
SEC File Number	001-37463
Address of Issuer	1 GLAUKOS WAY ALISO VIEJO CALIFORNIA 92656
Phone	949-367-9600
Name of Person for Whose Account the Securities are To Be Sold	Kliman Gilbert H
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	2500	475000.00	58983937	08/19/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/19/2026	Stock Option Exercise	Issuer			2500	08/19/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	08/19/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Gilbert H. Kliman
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)