Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * Green Jeffrey Terry 2. Issuer Name and Ticker or Trading Symbol Trade Desk, Inc. [TTD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) C/O THE TRADE DESK, INC., 42 NORTH CHESTNUT STREET 3. Date of Earliest Transaction (Month/Day/Year) 03/02/2026 (Street) VENTURA, CA 93001 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 03/02/2026 P 527,324 A $23.49(1) 527,324 I By Limited Partnership Class A Common Stock 03/02/2026 P 1,472,676 A $24.16(2) 2,000,000 I By Limited Partnership Class A Common Stock 03/03/2026 P 1,685,696 A $24.97(3) 3,685,696 I By Limited Partnership Class A Common Stock 03/03/2026 A 398,089(4) A $ 0 655,917 D Class A Common Stock 03/04/2026 P 2,314,304 A $25.08(5) 6,000,000 I By Limited Partnership Class A Common Stock 31,729 I See Footnote(6) Class A Common Stock 920,901 I See Footnote(7)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee Stock Option (Right to Buy)

$25

03/03/2026

A

737,028

(8)

03/03/2036

Class A Common Stock

737,028

$ 0

737,028

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Green Jeffrey Terry C/O THE TRADE DESK, INC. 42 NORTH CHESTNUT STREET VENTURA, CA 93001	X	X	President and CEO

Signatures

/s/ Kelli Faerber, Attorney-in-Fact for Jeffrey Terry Green		03/04/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $22.93 to $23.92, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.
(2)	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $23.93 to $24.34, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.
(3)	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $24.81 to $24.99, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.
(4)	Represents a restricted stock award with a Vesting Commencement Date ("VCD") of March 3, 2026. One-sixteenth (1/16th) of the granted shares vest on May 15, 2026 and the remainder of the granted shares vest ratably over 15 quarters on each quarterly anniversary thereafter, subject to continued employment with the Issuer through the applicable vesting dates.
(5)	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $24.59 to $25.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.
(6)	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.
(7)	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.
(8)	The option was granted on March 3, 2026, the VCD. One forty-eighth (1/48th) 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.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.