144 0001844767 XXXXXXXX LIVE 0001828791 Viant Technology Inc. 001-40015 2722 Michelson Drive Suite 100 Irvine CA 92612 1-949-861-8888 Capital V LLC 10% Stockholder Class A Common Stock Goldman Sachs & Co. LLC 200 West Street New York NY 10282 75000 852750 20021706 06/16/2026 NASD Class A Common Stock 06/16/2026 Acquired Class B common shares from Issuer in private transaction; Class B common shares to be converted to Class A common shares in connection with any sales Issuer N 75000 06/16/2026 None N Capital V LLC 2722 Michelson Drive Suite 100 Irvine CA 92612 Class A Common Stock 03/17/2026 15000 176938.5 Capital V LLC 2722 Michelson Drive Suite 100 Irvine CA 92612 Class A Common Stock 03/18/2026 15000 179979 Capital V LLC 2722 Michelson Drive Suite 100 Irvine CA 92612 Class A Common Stock 05/20/2026 15000 158934 Capital V LLC 2722 Michelson Drive Suite 100 Irvine CA 92612 Class A Common Stock 05/19/2026 15000 163308 Capital V LLC 2722 Michelson Drive Suite 100 Irvine CA 92612 Class A Common Stock 04/22/2026 8389 90128.06 Capital V LLC 2722 Michelson Drive Suite 100 Irvine CA 92612 Class A Common Stock 04/21/2026 14111 154017.33 Capital V LLC 2722 Michelson Drive Suite 100 Irvine CA 92612 Class A Common Stock 04/20/2026 15000 166797 Capital V LLC 2722 Michelson Drive Suite 100 Irvine CA 92612 Class A Common Stock 03/19/2026 8760 100064.6 Timothy Vanderhook 2722 Michelson Drive Suite 100 Irvine CA 92612 Class A Common Stock 06/15/2026 9125 101287.5 Christopher Vanderhook 2722 Michelson Drive Suite 100 Irvine CA 92612 Class A Common Stock 06/15/2026 9125 101287.5 Capital V LLC 2722 Michelson Drive Suite 100 Irvine CA 92612 Class A Common Stock 05/21/2026 7500 80913.75 The sales of shares set forth herein are made in connection with a selling plan dated 3/18/2025, as amended on 9/17/2025, that is intended to comply with Rule 10b5-1(c). 06/16/2026 03/18/2025 Goldman Sachs & Co. LLC on behalf of Capital V LLC