Fidelity files notice to sell 19,573 common shares

Fidelity Brokerage Services LLC submitted a Form 144 notifying an intent to sell 19,573 shares of Common Stock of GKOS as reported on 05/01/2026.

Rhea-AI Filing Summary

Fidelity Brokerage Services LLC submitted a Form 144 notifying an intent to sell 19,573 shares of Common Stock of GKOS as reported on 05/01/2026. The shares arise from multiple restricted stock vesting events dated 12/13/2024 through 04/01/2025, with individual vesting amounts listed in the filing.

Key Figures

Filed shares: 19,573 shares Vesting 12/13/2024: 980 shares Vesting 03/13/2025: 2,674 shares +2 more

5 metrics

Filed shares 19,573 shares Form 144 notice listed on 05/01/2026

Vesting 12/13/2024 980 shares Restricted Stock Vesting, Compensation

Vesting 03/13/2025 2,674 shares Restricted Stock Vesting, Compensation

Vesting 03/24/2025 10,487 shares Restricted Stock Vesting, Compensation

Filing date 05/01/2026 Form 144 reference date

Key Terms

Form 144, Restricted Stock Vesting, Fidelity Brokerage Services LLC

3 terms

Form 144 regulatory

"submitted a Form 144 notifying an intent to sell"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Restricted Stock Vesting | Issuer | Compensation"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Fidelity Brokerage Services LLC other

"Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI"

FAQ

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

What does the GKOS Form 144 disclose?

The filing notifies intent to sell 19,573 common shares of GKOS. It lists multiple restricted stock vesting events dated 12/13/2024–04/01/2025 as the source of the shares, and names Fidelity Brokerage Services LLC as the filer.

Who is the filer on the GKOS Form 144?

The filer is Fidelity Brokerage Services LLC. The filing identifies Fidelity as the brokerage firm associated with the proposed sale of the listed common shares on behalf of the holder.

How many shares and what vesting dates are shown in the filing?

The filing shows an aggregate of 19,573 shares and lists vesting events including 12/13/2024 (980), 03/13/2025 (2,674), 03/14/2025 (1,053), 03/22/2025 (2,602), 03/24/2025 (10,487), and 04/01/2025 (1,777).

Does the Form 144 state when the sales will occur?

The filing provides a notice of proposed sale but does not specify exact trade execution dates. It lists the filing date as 05/01/2026 and the vesting dates that generated the shares.

Are the securities described as compensation-related?

Yes. The listed items are labeled Restricted Stock Vesting with the designation Compensation, indicating the shares arose from compensation vesting events.

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

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Accepted by SEC EDGAR 05/01/2026 - 12:18 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	0001705850
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	Gilliam Joseph E
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	Officer

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	19573	2809508.42	58733911	05/01/2026	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	12/13/2024	Restricted Stock Vesting	Issuer			980	12/13/2024	Compensation
Common	03/13/2025	Restricted Stock Vesting	Issuer			2674	03/13/2025	Compensation
Common	03/14/2025	Restricted Stock Vesting	Issuer			1053	03/14/2025	Compensation
Common	03/22/2025	Restricted Stock Vesting	Issuer			2602	03/22/2025	Compensation
Common	03/24/2025	Restricted Stock Vesting	Issuer			10487	03/24/2025	Compensation
Common	04/01/2025	Restricted Stock Vesting	Issuer			1777	04/01/2025	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	05/01/2026
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/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Joseph Gilliam
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)