Trade Desk (TTD)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-15 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Trade Desk, Inc. (TTD) CIK: 0001671933 --- Reporting Owner --- Name: GRANT JAY R CIK: 0001826731 Role: Officer (Chief Legal Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-08-15 | Code: F (Payment of exercise/tax) Shares: -2,652 | Price: $14.14 Total Value: $37,499.28 Shares Owned After: 345,169 | Ownership: D (Direct) Footnotes: [F1] The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a Restricted Stock Award granted April 24, 2023. [Transaction #2] Security: Class A Common Stock Date: 2026-08-15 | Code: F (Payment of exercise/tax) Shares: -2,076 | Price: $14.14 Total Value: $29,354.64 Shares Owned After: 343,093 | Ownership: D (Direct) Footnotes: [F2] The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a Restricted Stock Award granted April 23, 2024. [Transaction #3] Security: Class A Common Stock Date: 2026-08-15 | Code: F (Payment of exercise/tax) Shares: -2,848 | Price: $14.14 Total Value: $40,270.72 Shares Owned After: 340,245 | Ownership: D (Direct) Footnotes: [F3] The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a Restricted Stock Award granted April 15, 2025. [Transaction #4] Security: Class A Common Stock Date: 2026-08-15 | Code: F (Payment of exercise/tax) Shares: -5,779 | Price: $14.14 Total Value: $81,715.06 Shares Owned After: 334,466 | Ownership: D (Direct) Footnotes: [F4] The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a Restricted Stock Award granted March 3, 2026. --- Footnotes (Complete Index) --- F1: The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a Restricted Stock Award granted April 24, 2023. F2: The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a Restricted Stock Award granted April 23, 2024. F3: The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a Restricted Stock Award granted April 15, 2025. F4: The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a Restricted Stock Award granted March 3, 2026. --- Signature --- /s/ /s/ Kelli Faerber, Attorney-in-Fact for Jay R. Grant (2026-08-18)