TTD: Leadership change

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On May 24, 2026, the Company’s board of directors (the “Board”) approved Samantha Jacobson’s eligibility to participate in the Company’s non-employee director compensation program (the “Program”). Pursuant to the Program, Ms. Jacobson will be entitled to receive annual compensation of $50,000 for her service on the Board. Additionally, pursuant to the Program and under the Company’s 2025 Incentive Award Plan, Ms. Jacobson will be eligible to receive an annual equity grant of $290,000, prorated from May 18, 2026, the effective date of Ms. Jacobson’s resignation as an officer and employee of the Company, to the Company’s next annual meeting of stockholders, which she may elect to receive in the form of restricted stock, restricted stock units, stock options or a mix of one-half restricted stock or restricted stock units and one-half options, which will vest in full on the date of the Company’s next annual meeting of stockholders. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. THE TRADE DESK, INC. Date: May 29, 2026 By: /s/ Jay Grant Jay Grant Chief Legal Officer