GKOS insider files Form 144 to sell 5,142 vested shares on NYSE

Rhea-AI Filing Summary

Glaukos Corporation (GKOS) filed a Form 144 reporting a proposed sale of 5,142 common shares, acquired through restricted stock vesting as compensation during March–July 2024. The filing lists an aggregate market value of $453,607.98 for the shares and reports 57,349,987 shares outstanding. The proposed sale date is 09/11/2025 and the broker is listed as Fidelity Brokerage Services LLC on the NYSE. The filer reports no securities sold during the past three months and attests not to possess undisclosed material information.

Positive

• Full disclosure of sale specifics: number of shares (5,142), aggregate market value ($453,607.98), broker (Fidelity) and planned sale date (09/11/2025) are provided
• Origins of shares documented: all shares were acquired via restricted stock vesting and listed with acquisition dates and quantities
• No recent sales reported: filer states "Nothing to Report" for securities sold during the past three months

Negative

• None.

Insights

Securities Analyst

TL;DR: Routine insider sale notice for vested compensation shares; not a material corporate event on its face.

The Form 144 discloses a proposed sale of 5,142 common shares acquired via restricted stock vesting across multiple dates in 2024, with a stated aggregate market value of $453,607.98 and a slated sale date of 09/11/2025 via Fidelity on the NYSE. The filing explicitly states no sales in the prior three months and includes the standard attestation regarding material nonpublic information. As a securities filing, this documents an insider liquidity intent rather than operational or financial performance changes.

Corporate Governance Expert

TL;DR: Disclosure aligns with Rule 144 requirements; it documents planned compliance with resale rules for vested compensation.

The notice properly identifies that the shares were acquired through restricted stock vesting and classifies the payment nature as compensation. It names the broker and exchange, provides acquisition dates and quantities, and affirms absence of undisclosed material information. This is a standard transparency disclosure for executive or insider liquidity and supports governance expectations for timely reporting of proposed sales.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	5142	453607.98	57349987	09/11/2025	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	03/22/2024	Restricted Stock Vesting	Issuer			1371	03/22/2024	Compensation
Common	03/24/2024	Restricted Stock Vesting	Issuer			2532	03/24/2024	Compensation
Common	03/27/2024	Restricted Stock Vesting	Issuer			253	03/27/2024	Compensation
Common	04/01/2024	Restricted Stock Vesting	Issuer			480	04/01/2024	Compensation
Common	07/19/2024	Restricted Stock Vesting	Issuer			506	07/19/2024	Compensation

* 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

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filed by Glaukos (GKOS) report?

The filing reports a proposed sale of 5,142 common shares with an aggregate market value of $453,607.98, to be sold on 09/11/2025 via Fidelity on the NYSE.

How were the shares being sold by the GKOS filer acquired?

All shares were acquired through restricted stock vesting on dates in 2024 (03/22, 03/24, 03/27, 04/01, 07/19) and were paid as compensation.

Does the Form 144 indicate any securities sold by the filer in the past three months?

No. The filing explicitly states "Nothing to Report" for securities sold during the past three months.

Which broker and exchange are listed for the proposed sale in the GKOS Form 144?

The broker listed is Fidelity Brokerage Services LLC and the securities exchange listed is the NYSE.

Does the filer assert they possess any undisclosed material information in the Form 144?

The filer represents by signing the notice that they do not know any material adverse information about the issuer that has not been publicly disclosed.