X0508 4 2023-08-15 0 0001671933 Trade Desk, Inc. TTD 0001671445 Green Jeffrey Terry C/O THE TRADE DESK, INC. 42 NORTH CHESTNUT STREET VENTURA CA 93001 1 1 1 0 President and CEO 0 Class A Common Stock 2023-08-15 4 G 0 26778 0.00 D 884986 D Class A Common Stock 2023-08-15 4 G 0 26778 0.00 A 1236138 I See Footnote Class A Common Stock 708216 I See Footnote Represents a transfer of shares from the Reporting Person to a trust held by the Reporting Person. Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust. Represents securities held by the Jeff T. Green Family Foundation (the "Foundation"). Mr. Green is the sole member and director of the Foundation and has investment and voting control over the shares held by the Foundation, and may be deemed to indirectly beneficially own the shares held by the Foundation. /s/ Kelli Faerber, Attorney-in-Fact for Jeffrey Terry Green 2023-08-17