Glaukos (NYSE: GKOS) discloses insider sales and vesting in Form 144

Rhea-AI Filing Summary

Glaukos Corporation submitted a Form 144 notice regarding proposed sales of Common Stock tied to restricted stock vesting and recent dispositions. The filing lists restricted stock vesting entries of 259 shares (11/15/2024), 153 shares (12/13/2024) and 1,125 shares (03/24/2025). It also records recent sales by Tomas Navratil, including 1,031 shares on 03/16/2026 and 2,093 shares on 04/10/2026.

Insights

Securities Counsel

Routine Form 144 filing recording proposed and recent sales of common stock.

The notice lists restricted stock vesting events and two recorded dispositions by Tomas Navratil: 1,031 shares on 03/16/2026 and 2,093 shares on 04/10/2026. This filing is a regulatory disclosure of intended sales and recent transactions.

Timing and proceeds treatment are not detailed beyond dates and share counts; subsequent transaction confirmations will appear in resale filings or Form 4/5 entries if required.

Key Figures

Restricted stock vesting: 259 shares Restricted stock vesting: 153 shares Restricted stock vesting: 1,125 shares +2 more

5 metrics

Restricted stock vesting 259 shares vesting date 11/15/2024

Restricted stock vesting 153 shares vesting date 12/13/2024

Restricted stock vesting 1,125 shares vesting date 03/24/2025

Reported sale 1,031 shares sold by Tomas Navratil on 03/16/2026

Reported sale 2,093 shares sold by Tomas Navratil on 04/10/2026

Key Terms

Form 144, Restricted Stock Vesting, Securities Sold During The Past 3 Months

3 terms

Form 144 regulatory

"144: Filer Information"

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 | 259 | 11/15/2024"

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.

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months | Tomas Navratil"

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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	1537	200855.16	58733911	06/16/2026	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	11/15/2024	Restricted Stock Vesting	Issuer			259	11/15/2024	Compensation
Common	12/13/2024	Restricted Stock Vesting	Issuer			153	12/13/2024	Compensation
Common	03/24/2025	Restricted Stock Vesting	Issuer			1125	03/24/2025	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Tomas Navratil 1 Glaukos Way Aliso Viejo CA 92656	Common	03/16/2026	1031	101085.67
Tomas Navratil 1 Glaukos Way Aliso Viejo CA 92656	Common	04/10/2026	2093	246177.94

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 Glaukos' Form 144 filing (GKOS) report?

It reports proposed and recent sales of Common Stock tied to restricted stock vesting and past dispositions. The filing lists vesting entries of 259, 153, and 1,125 shares and records sales by Tomas Navratil of 1,031 and 2,093 shares on specific dates.

Who executed recent share sales disclosed in the Form 144 for GKOS?

The filing shows recent sales by Tomas Navratil on two dates: 1,031 shares on 03/16/2026 and 2,093 shares on 04/10/2026. Those transactions are listed under "Securities Sold During The Past 3 Months."

Are the vesting events in the filing part of the shares to be sold?

The filing lists restricted stock vesting entries dated 11/15/2024 (259 shares), 12/13/2024 (153 shares), and 03/24/2025 (1,125 shares). The document connects these vesting events to the securities information section.

Does the Form 144 disclose sale proceeds or destinations for GKOS shares?

No dollar proceeds or purchaser identities are disclosed in the excerpt; the filing provides share counts and dates. Cash‑flow details and purchasers are not shown in the provided content.