Viant (DSP) COO Christopher Vanderhook Sells 9,125 Shares

What Happened Christopher Vanderhook, Chief Operating Officer of Viant Technology Inc. (DSP), sold 9,125 shares on 2026-06-15 at $11.10 per share, for total proceeds of $101,288. The sale was executed to cover estimated taxes related to the vesting and settlement of restricted stock units (RSUs), so it is a routine tax-withholding sale rather than a discretionary market-timing trade.

Key Details

• Transaction date and price: 2026-06-15, 9,125 shares at $11.10 per share.
• Gross proceeds: $101,288.
• Transaction type: Sale (S); sale was instituted by the issuer to cover tax withholding on RSU vesting (footnote F1).
• Shares owned after transaction: Not disclosed in the provided filing.
• Filing timeliness: Report filed with an accession date of 2026-06-15 (same day as the transaction), indicating a timely report.

Context Tax-withholding sales associated with RSU vesting are common and typically not interpreted as a directional bet on the company’s stock. This was not an option exercise or a gift; it was an issuer-conducted sale to satisfy tax obligations tied to vested RSUs.