Gilliam Joseph E 4

What Happened

• Joseph E. Gilliam, President & COO of GLAUKOS Corp (GKOS), had 3,169 shares withheld by the company to satisfy tax withholding obligations tied to vested restricted stock units. The shares were valued at $109.60 each for a total of $347,322. This is a tax-withholding disposition (routine) rather than an open-market sale or new purchase.

Key Details

• Transaction date: 2026-04-02; filing date: 2026-04-03 (no late filing indicated in the report).
• Price per share: $109.60; total value of shares withheld: $347,322.
• Shares owned after transaction: Not specified in the filing.
• Footnote: Shares were withheld by the issuer to cover tax obligations upon vesting and delivery of RSUs granted March 14, 2024.
• Additional footnote: The filing notes 43,925 restricted stock units granted to the reporting person that have not yet vested or been delivered.

Context

• This was a tax-withholding action (transaction code F), common when RSUs vest; the company withholds or retains shares to cover withholding taxes. It is generally procedural and does not necessarily indicate insider sentiment, unlike open-market purchases or voluntary sales.