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: 2026-04-29 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Trade Desk, Inc. (TTD) CIK: 0001671933 --- Reporting Owner --- Name: Green Jeffrey Terry CIK: 0001671445 Role: Director, Officer (President and CEO), 10%+ Owner --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-05-15 | Code: G (Gift) Shares: -52,909 | Price: $0.00 Shares Owned After: 603,008 | Ownership: D (Direct) Footnotes: [F1] Represents a transfer of shares from the Reporting Person to a trust held by the Reporting Person. [Transaction #2] Security: Class A Common Stock Date: 2026-05-15 | Code: G (Gift) Shares: +52,909 | Price: $0.00 Shares Owned After: 84,638 | Ownership: I (Indirect) | Nature: See Footnote Footnotes: [F1] Represents a transfer of shares from the Reporting Person to a trust held by the Reporting Person. [F2] 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. --- Derivative Transactions --- [Transaction #1] Security: Employee Stock Option Exercise (Right to Buy) Date: 2026-04-29 | Code: E Shares: -1,330 | Price: $0.00 Exercisable: N/A | Expires: 2026-04-29 Shares Owned After: 0 | Ownership: D (Direct) Footnotes: [F4] This option was previously reported as covering 133 shares at an exercise price of $823.88 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021. [F5] The option was granted on April 29, 2021, with a Vesting Commencement Date ("VCD") of December 29, 2024. One-fourth (1/4th) 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. [F4] This option was previously reported as covering 133 shares at an exercise price of $823.88 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021. --- Holdings --- [Holding #1] Security: Class A Common Stock Ownership: I (Indirect) Footnotes: [F3] 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. [Holding #2] Security: Class A Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Represents a transfer of shares from the Reporting Person to a trust held by the Reporting Person. F2: 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. F3: 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. F4: This option was previously reported as covering 133 shares at an exercise price of $823.88 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021. F5: The option was granted on April 29, 2021, with a Vesting Commencement Date ("VCD") of December 29, 2024. One-fourth (1/4th) 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. --- Signature --- /s/ /s/ Kelli Faerber, Attorney-in-Fact for Jeffrey Terry Green (2026-05-19)