X0407 4 2023-04-24 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 2023-04-24 4 A 0 213092 0.00 A 911764 D Class A Common Stock 1209360 I See Footnote Class A Common Stock 708216 I See Footnote Employee Stock Option (Right to Buy) 61.46 2023-04-24 4 A 0 345113 0.00 A 2033-04-24 Class A Common Stock 345113 345113 D Represents a restricted stock award with a Vesting Commencement Date ("VCD") of April 24, 2023. One-sixteenth (1/16th) of the granted shares vest on August 15, 2023 and the remainder of the granted shares vest ratably over 15 quarters on each quarterly anniversary thereafter, subject to continued employment with the Issuer through the applicable vesting dates. 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. The option was granted on April 24, 2023, the VCD. One forty-eigth (1/48) of the shares subject to the option vest on each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates. /s/ Kelli Faerber, Attorney-in-Fact for Jeffrey Terry Green 2023-04-26