Navratil Tomas 4

What Happened

• Tomas Navratil, Chief Development Officer of Glaukos Corp (GKOS), had 396 shares withheld by the company to satisfy tax withholding obligations related to the vesting/delivery of previously granted restricted stock units (RSUs). The withheld shares were recorded at $119.17 per share for a total value of $47,191 on February 24, 2026. This is a tax-withholding disposition (transaction code F), not an open-market sale.

Key Details

• Transaction date and price: 2026-02-24; 396 shares @ $119.17 each.
• Total value of shares withheld: $47,191.
• Shares owned after transaction: Not specified in the provided filing excerpt.
• Footnote F1: The disposition consists of shares withheld by the issuer to cover tax withholding upon vesting/delivery of RSUs originally granted on March 18, 2021.
• Footnote F2: The filing notes there remain 42,588 RSUs that have not yet vested or been delivered to the reporting person.
• Filing timing: Form 4 was filed on 2026-02-26 for a 2026-02-24 transaction — appears to be filed within the standard two-business-day window.

Context

• This transaction is a routine tax-withholding event tied to RSU vesting (a common disposition that doesn’t indicate a discretionary sale). It’s not an active purchase or a market sale signaling insider sentiment; the company withheld shares to satisfy tax obligations on behalf of the insider.