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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13D/A 0001284309 XXXXXXXX LIVE 5 Class A common stock, par value $0.001 per share 01/09/2026 false 0001828791 92557A101 Viant Technology Inc. 2722 Michelson Drive Suite 100 Irvine CA 92612 Larry Madden 9498618888 2722 Michelson Drive Suite 100 Irvine CA 92612 0001284309 N Larry Madden OO N X1 1401423.00 0.00 1401423.00 0.00 1401423.00 N 7.8 IN Class A common stock, par value $0.001 per share Viant Technology Inc. 2722 Michelson Drive Suite 100 Irvine CA 92612 This Amendment No. 5 to Schedule 13D (this "Amendment No. 5") amends and supplements the statement on Schedule 13D filed with the United States Securities and Exchange Commission on June 12, 2024 (as amended to date, the "Schedule 13D"), relating to the Class A common stock, par value $0.001 per share (the "Class A Common Stock"), of Viant Technology Inc., a Delaware corporation (the "Issuer"). Capitalized terms used herein without definition shall have the meaning set forth in the Schedule 13D. On January 9, 2026, the Reporting Person acquired an aggregate of 221,631 shares of Class A Common Stock underlying stock options and 65,408 shares of Class A Common Stock underlying RSUs, each of which vest within 60 days of January 9, 2026. The stock options and RSUs were awarded to the Reporting Person by the Issuer in consideration for services rendered to the Issuer. The Reporting Person may be deemed to beneficially own 1,401,423 shares of Class A Common Stock, which consists of (i) 194,940 shares of Class A Common Stock held of record by the Reporting Person, (ii) 666,719 shares of Class A Common Stock underlying stock options that are exercisable or will become exercisable within 60 days of the date hereof, (iii) 65,408 shares of Class A Common Stock underlying RSUs that will vest within 60 days of the date hereof, and (iv) 474,356 shares of Class A Common Stock underlying Class B Units that are currently convertible on a one-to-one basis. Based upon 16,678,890 shares of Class A Common Stock outstanding as of November 7, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 10, 2025, the Reporting Person may be deemed to beneficially own 7.8% of the Class A Common Stock. The ownership information assumes (i) the redemption of the Class B Units indirectly held by the Reporting Person for shares of the Issuer's Class A Common Stock on a one-to-one basis, (ii) the exercise of stock options held of record by the Reporting Person that are currently exercisable or will become exercisable within 60 days of the date hereof and (iii) the vesting of RSUs held by the Reporting Person, if any, within 60 days of the date hereof. Sole power to vote or direct the vote: 1,401,423 Shared power to vote: 0 Sole power to dispose or direct the disposition of: 1,401,423 Shared power to dispose or direct the disposition of: 0 Since the filing of Amendment No. 4, the Reporting Person did not effect any transactions in the Class A Common Stock. None. Not applicable. Larry Madden Larry Madden Larry Madden / Chief Financial Officer 01/13/2026