Amendment No. 4 to Schedule 13D for Viant Technology Inc.

This filing is an amendment to a Schedule 13D, originally filed on June 12, 2024, concerning the Class A common stock of Viant Technology Inc. The amendment details the entry into a new 10b5-1 trading plan on December 15, 2025. This plan allows for the periodic sale of up to 200,000 shares of Class A Common Stock by the Reporting Person, Larry Madden, through a broker, with sales occurring through August 31, 2026. The plan aims to comply with Rule 10b5-1 under the Securities Exchange Act of 1934. The filing also reports that on December 17, 2025, 13,477 shares were sold on behalf of the Reporting Person to cover withholding taxes associated with RSU vesting. As of the filing date, the Reporting Person beneficially owns 1,114,384 shares of Class A Common Stock, representing 6.33% of the outstanding shares, which includes shares held directly, underlying stock options, and convertible Class B Units.