X0407 4 2023-04-24 0 0001671933 Trade Desk, Inc. TTD 0001826731 GRANT JAY R C/O THE TRADE DESK, INC. 42 NORTH CHESTNUT STREET VENTURA CA 93001 0 1 0 0 Chief Legal Officer 0 Class A Common Stock 2023-04-24 4 A 0 76713 0.00 A 171356 D Employee Stock Option (Right to Buy) 61.46 2023-04-24 4 A 0 124240 0.00 A 2033-04-24 Class A Common Stock 124240 124240 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. The option was granted on April 24, 2023, the VCD. One forty-eighth (1/48th) 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 Jay R. Grant 2023-04-26