DoubleVerify Holdings: CEO Mark Zagorski exercised 13,476 shares

What happened Mark Zagorski, CEO, exercised or converted a derivative into 13,476 shares on Sep 30, 2026 (acquired at $0.00, $0). The filing also reports 6,880 shares disposed at $13.49 for $92,811 to satisfy tax withholding, and a derivative disposition of 13,476 shares reported at $0.00.

Key details

• Transaction date: Sep 30, 2026. Exercise/conversion price reported at $0.00; withholding disposition price $13.49 for a total of $92,811.
• Shares owned after the transaction: not stated in the filing.
• Footnotes:
  • F1: RSUs were granted on Aug 19, 2025; 8.33% vested and were settled on Dec 31, 2025, with the remainder vesting 8.33% on each quarterly anniversary of the 2025 vesting date, subject to continued employment.
  • F2: Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.
  • F3: Restricted stock units convert into common stock on a one-for-one basis.
• Filing date: Oct 2, 2026. Period of report: Sep 30, 2026.

Why it may matter

• The filing shows an exercise or conversion of restricted stock units into common stock and that shares were withheld to satisfy tax withholding (cashless settlement of taxes).
• The filing does not show why the insider traded or why the company acted.