Glaukos (GKOS) insider files to sell 5,000 common shares in $536K Rule 144 trade

Rhea-AI Filing Summary

Glaukos Corporation insider has filed notice of a planned sale of common stock under Rule 144. The seller plans to sell 5,000 shares of Glaukos common stock through Fidelity Brokerage Services LLC on the NYSE, with an indicated aggregate market value of $536,368.18. The filing notes that 57,434,740 shares of Glaukos common stock were outstanding at the time referenced. The shares to be sold were acquired on 12/09/2025 through an option granted on 06/02/2016, with cash as the form of payment. By signing the notice, the seller represents that they are not aware of any undisclosed material adverse information about Glaukos’ current or prospective operations.

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	5000	536368.18	57434740	12/09/2025	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	12/09/2025	Option Granted - 06/02/2016	Issuer			5000	12/09/2025	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

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 Glaukos (GKOS) Form 144 filing disclose?

The notice discloses a planned Rule 144 sale of 5,000 shares of Glaukos common stock on the NYSE through Fidelity Brokerage Services LLC, with an indicated aggregate market value of $536,368.18.

How many Glaukos (GKOS) shares are planned to be sold and at what value?

The seller plans to sell 5,000 Glaukos common shares, with an aggregate market value stated as $536,368.18 in the filing.

When is the planned sale date for the Glaukos (GKOS) shares under Rule 144?

The filing lists an approximate sale date of 12/09/2025 for the 5,000 Glaukos common shares to be sold on the NYSE.

How were the Glaukos (GKOS) shares being sold under Rule 144 acquired?

The 5,000 shares are described as common stock acquired on 12/09/2025 via an option granted on 06/02/2016, with the nature of payment indicated as cash.

How many Glaukos (GKOS) shares were outstanding in this Form 144 notice?

The filing states that 57,434,740 shares of Glaukos common stock were outstanding at the time referenced.

Does the Glaukos (GKOS) Form 144 seller make any representation about inside information?

Yes. By signing, the seller represents that they do not know of any material adverse information about Glaukos’ current or prospective operations that has not been publicly disclosed.