X0202 SCHEDULE 13G/A 0001671445 XXXXXXXX LIVE 2 Class A Common Stock 03/31/2026 0001671933 The Trade Desk, Inc. 88339J105 42 N. Chestnut Street Ventura CA 93001 Rule 13d-1(d) Jeffrey T. Green X1 53571829 0 53571829 0 53571829 N 11.3 IN The Trade Desk, Inc. 42 North Chestnut Street, Ventura, CA 93001 This statement is filed on behalf of Jeffrey T. Green (the "Reporting Person"). The business address of the Reporting Person is c/o The Trade Desk, Inc., 42 North Chestnut Street, Ventura, CA 93001. The Reporting Person is a citizen of the United States. Y The ownership information presented below represents beneficial ownership of Class A Common Stock of the Issuer as of March 31, 2026, based upon 427,890,120 shares of Class A Common Stock outstanding, as provided by the Issuer. Mr. Green is the beneficial owner of 53,571,829 shares of Class A Common Stock, which consists of: (a) 655,917 shares of Class A Common Stock held of record by Mr. Green, (b) 31,729 shares of Class A Common Stock and 29,405,209 shares of Class B Common Stock held by the Jeff Green Trust, of which Mr. Green is the trustee, (c) 920,901 shares of Class A Common Stock held by the Jeff T. Green Family Foundation with respect to which Mr. Green has investment and voting control, (d) 6,000,000 shares of Class A Common Stock held by a limited partnership held by the Jeff Green Trust, (e) 12,666,670 shares of Class B Common Stock held by various family trusts over which Mr. Green exercises investment and voting control, and (f) 3,891,403 shares of Class A Common Stock issuable upon the exercise of options currently exercisable or exercisable within 60 days of March 31, 2026. The Class B Common Stock is convertible into Class A Common Stock on a one-for-one basis at the election of the holder. 11.3% 53,571,829 0 53,571,829 0 Y Y Y Y Y Y Jeffrey T. Green /s/ Jeffrey T. Green 05/15/2026