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: 2026-07-09 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Trade Desk, Inc. (TTD) CIK: 0001671933 --- Reporting Owner --- Name: Olmstead Nathan CIK: 0001776828 Role: Officer (Chief Financial Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-07-09 | Code: A (Grant or award) Shares: +246,062 | Price: $0.00 Shares Owned After: 246,062 | Ownership: D (Direct) Footnotes: [F1] Represents a restricted stock award with a Vesting Commencement Date ("VCD") of July 9, 2026. One-fourth (1/4th) of the granted shares vest on August 15, 2027, and the remainder of the granted shares vest ratably over 12 quarters on each quarterly anniversary thereafter, subject to continued employment with the Issuer through the applicable vesting dates. --- Derivative Transactions --- [Transaction #1] Security: Employee Stock Option (Right to Buy) Date: 2026-07-09 | Code: A (Grant or award) Shares: +439,753 | Price: $0.00 Exercisable: N/A | Expires: 2036-07-09 Shares Owned After: 439,753 | Ownership: D (Direct) Footnotes: [F2] The option was granted on July 9, 2026, the VCD. One-fourth (1/4th) of the shares subject to the option vest on the first anniversary of the VCD, with one forty-eighth (1/48th) of the shares subject to the original grant vesting on each monthly anniversary thereafter, subject to continued employment with the Issuer through the applicable vesting dates. --- Footnotes (Complete Index) --- F1: Represents a restricted stock award with a Vesting Commencement Date ("VCD") of July 9, 2026. One-fourth (1/4th) of the granted shares vest on August 15, 2027, and the remainder of the granted shares vest ratably over 12 quarters on each quarterly anniversary thereafter, subject to continued employment with the Issuer through the applicable vesting dates. F2: The option was granted on July 9, 2026, the VCD. One-fourth (1/4th) of the shares subject to the option vest on the first anniversary of the VCD, with one forty-eighth (1/48th) of the shares subject to the original grant vesting on each monthly anniversary thereafter, subject to continued employment with the Issuer through the applicable vesting dates. --- Signature --- /s/ /s/ Kelli Faerber, Attorney-in-Fact for Nathan Olmstead (2026-07-13)