Navratil Tomas 4
4 · GLAUKOS Corp · Filed Apr 2, 2026
Research Summary
AI-generated summary of this filing
Glaukos (GKOS) CDO Tomas Navratil Surrenders 5,798 Shares for Taxes
What Happened
- Tomas Navratil, Chief Development Officer at Glaukos (GKOS), had 5,798 shares withheld by the company to satisfy tax withholding obligations upon vesting/delivery of restricted stock units. The shares were valued at $109.60 each for a total of approximately $635,461.
- This transaction is a tax-withholding disposition (transaction code F), not an open-market sale or purchase, and is a routine way companies settle tax obligations when RSUs vest.
Key Details
- Transaction date: 2026-03-31; Filing date: 2026-04-02 (timely Form 4 filing).
- Price: $109.60 per share; Shares withheld/disposed: 5,798; Value: $635,461.
- Footnote: Shares were withheld by the issuer to cover tax withholding on RSUs granted March 22, 2023 (F1).
- Footnote: The filing notes 45,793 restricted stock units that have not yet vested or been delivered (F2).
- Shares owned after the transaction: not specified in the provided excerpt.
Context
- Withholding shares to cover taxes is a common administrative action when RSUs vest and does not necessarily indicate insider sentiment about the stock.
- This was not an exercised-and-sold transaction or an open-market sale; it simply satisfied tax obligations on vested equity.
Insider Transaction Report
Form 4
GLAUKOS CorpGKOS
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Transactions
- Tax Payment
Common Stock
[F1][F2]2026-03-31$109.60/sh−5,798$635,461→ 95,440 total
Footnotes (2)
- [F1]Consists of shares withheld by the Issuer with respect to tax withholding obligations of the Reporting Person upon vesting and delivery of shares of common stock underlying restricted stock units previously granted by the Issuer on March 22, 2023.
- [F2]Includes 45,793 restricted stock units that have not yet vested or been delivered to the Reporting Person.
Signature
Diana Scherer, Attorney-in-Fact|2026-04-02