Glaukos (GKOS) affiliate files to sell 1,521 shares after vesting

Rhea-AI Filing Summary

Glaukos Corp. notified proposed affiliate sales of Common Stock tied to recent compensation vesting. The notice lists 1,521 shares of Common Stock eligible for sale following a restricted stock vesting on 03/22/2026 and shows a prior sale by Alex Thurman of 625 shares on 03/17/2026 for $61,968.75.

The filing identifies the sales as compensation-related and lists Fidelity Brokerage Services LLC as the broker. This is a routine affiliate disclosure of proposed and recent transactions under applicable resale rules.

Insights

Corporate Governance Analyst

Routine affiliate resale notice showing compensation vesting and a recent small sale.

The filing documents 1,521 shares from a restricted stock vesting on 03/22/2026 as the securities to be sold and records a prior sale of 625 shares on 03/17/2026 producing $61,968.75. The broker is listed as Fidelity Brokerage Services LLC.

These items are administrative disclosures of insider activity; cash‑flow treatment and any limits on resale are not detailed in the provided excerpt.

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	1521	160070.04	58078812	03/24/2026	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	03/22/2026	Restricted Stock Vesting	Issuer			1521	03/22/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Alex Thurman One Glaukos Way Aliso Viejo CA 92656	Common	03/17/2026	625	61968.75

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 filing for GKOS disclose?

It discloses a proposed sale of 1,521 Common shares tied to a restricted stock vesting on 03/22/2026 and a recent sale of 625 shares on 03/17/2026 for $61,968.75.

Who is listed as the broker for the GKOS transactions?

The filing lists Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI as the broker associated with the transactions disclosed in the Form 144 excerpt.

Was the 1,521-share sale in GKOS completed or tied to vesting?

The 1,521 Common shares are shown as securities to be sold following a restricted stock vesting on 03/22/2026, indicating the shares become available because of compensation vesting.

What recent insider sale is recorded in the GKOS excerpt?

The excerpt records Alex Thurman selling 625 Common shares on 03/17/2026, with an aggregate amount shown as $61,968.75 in the provided filing lines.

Does the Form 144 excerpt state who receives proceeds from the GKOS sale?

The excerpt ties the securities to compensation (issuer) vesting but does not specify the recipient of proceeds or additional cash‑flow details in the provided lines.