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  4. [144] GLAUKOS Corp SEC Filing

Glaukos (NYSE: GKOS) insider eyes multimillion-dollar stock sale

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
144

Rhea-AI Filing Summary

GLAUKOS Corp (GKOS) insider Tomas Navratil, identified as an officer, filed a notice of proposed sale of 13,744 shares of common stock under Rule 144 through Fidelity Brokerage Services LLC. The shares have an aggregate market value of $2,483,097.96. Common shares outstanding were 58,983,937 as of August 28, 2026.

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Shares proposed to be sold 13,744 shares Common stock under Rule 144 through Fidelity Brokerage Services LLC
Aggregate market value of shares to be sold $2,483,097.96 Proposed Rule 144 sale of 13,744 GLAUKOS Corp common shares
Shares outstanding 58,983,937 shares GLAUKOS Corp common shares outstanding as referenced in the Form 144
Shares sold on June 16, 2026 1,537 shares Common stock sale by Tomas Navratil during past three months
Proceeds from June 16, 2026 sale $200,855.16 Sale of 1,537 GLAUKOS Corp common shares
Shares sold on July 1, 2026 716 shares Common stock sale by Tomas Navratil during past three months
Proceeds from July 1, 2026 sale $99,566.96 Sale of 716 GLAUKOS Corp common shares
Rule 144 regulatory
"See the definition of "person" in paragraph (a) of Rule 144."
Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.
Restricted Stock Vesting financial
"Common | 01/01/2022 | Restricted Stock Vesting | Issuer"
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.
attorney-in-fact regulatory
"as attorney-in-fact for Tomas Navratil"
An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

What does the Form 144 filing disclose for GLAUKOS Corp (GKOS)?
It discloses that officer Tomas Navratil has filed notice to sell 13,744 shares of GLAUKOS Corp common stock under Rule 144 through Fidelity Brokerage Services LLC, with an aggregate market value of $2,483,097.96.

How many GLAUKOS Corp (GKOS) shares are proposed to be sold under this Form 144?
The filing lists 13,744 shares of GLAUKOS Corp common stock proposed to be sold, with an aggregate market value of $2,483,097.96, to be sold on the NYSE through Fidelity Brokerage Services LLC.

How many GLAUKOS Corp (GKOS) shares were sold by Tomas Navratil in the past three months?
The filing reports sales of 1,537 shares on June 16, 2026 for $200,855.16 and 716 shares on July 1, 2026 for $99,566.96 of GLAUKOS Corp common stock.

What is the reported number of GLAUKOS Corp (GKOS) shares outstanding?
The notice states that GLAUKOS Corp had 58,983,937 common shares outstanding, with the figure tied to the Form 144 securities information as of August 28, 2026.

What is the source of the GLAUKOS Corp (GKOS) shares to be sold?
The shares listed arise from Restricted Stock Vesting granted by the issuer as compensation, with multiple vesting dates between 2022 and 2026 shown in the acquisition history section.

Who is executing the sale for Tomas Navratil in the GLAUKOS Corp (GKOS) Form 144?
The filing identifies Fidelity Brokerage Services LLC as the broker for the proposed sale, and it is signed by Daniel Tucci as a duly authorized representative and attorney-in-fact for Tomas Navratil.

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144: Filer Information

144: Issuer Information

144: Securities Information



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


* 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

144: Remarks and Signature

Source: View Original Filing on SEC EDGAR