Navratil Tomas 4

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.