Trade Desk, Inc. (TTD) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-15 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: 2026-05-15 | Code: F (Payment of exercise/tax) Shares: -1,288 | Price: $21.15 Total Value: $27,241.20 Shares Owned After: 359,097 | 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 26, 2022. [F2] Includes 621 shares acquired through the Employee Stock Purchase Plan on May 15, 2026. [Transaction #2] Security: Class A Common Stock Date: 2026-05-15 | Code: F (Payment of exercise/tax) Shares: -1,932 | Price: $21.15 Total Value: $40,861.80 Shares Owned After: 357,165 | 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 24, 2023. [Transaction #3] Security: Class A Common Stock Date: 2026-05-15 | Code: F (Payment of exercise/tax) Shares: -1,514 | Price: $21.15 Total Value: $32,021.10 Shares Owned After: 355,651 | 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 April 23, 2024. [Transaction #4] Security: Class A Common Stock Date: 2026-05-15 | Code: F (Payment of exercise/tax) Shares: -2,076 | Price: $21.15 Total Value: $43,907.40 Shares Owned After: 353,575 | Ownership: D (Direct) Footnotes: [F5] 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 #5] Security: Class A Common Stock Date: 2026-05-15 | Code: F (Payment of exercise/tax) Shares: -5,754 | Price: $21.15 Total Value: $121,697.10 Shares Owned After: 347,821 | Ownership: D (Direct) Footnotes: [F6] 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 26, 2022. F2: Includes 621 shares acquired through the Employee Stock Purchase Plan on May 15, 2026. 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 24, 2023. 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 April 23, 2024. F5: 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. F6: 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 (2026-05-19)