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

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1. Name and Address of Reporting Person * Davis Tahnil R. 2. Issuer Name and Ticker or Trading Symbol Trade Desk, Inc. [TTD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Accounting Officer & EVP (Last) (First) (Middle) C/O THE TRADE DESK, INC., 42 NORTH CHESTNUT STREET 3. Date of Earliest Transaction (Month/Day/Year) 10/19/2026 (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

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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)	$74.637	10/19/2026		D			8,430	(1)	04/28/2031	Class A Common Stock	8,430	(2)	0	D
Employee Stock Option (Right to Buy)	$12.26	10/19/2026		A		8,430		(1)	04/28/2031	Class A Common Stock	8,430	(2)	8,430	D
Employee Stock Option (Right to Buy)	$59.57	10/19/2026		D			7,073	(1)	04/26/2032	Class A Common Stock	7,073	(2)	0	D
Employee Stock Option (Right to Buy)	$12.26	10/19/2026		A		7,073		(1)	04/26/2032	Class A Common Stock	7,073	(2)	7,073	D
Employee Stock Option (Right to Buy)	$61.46	10/19/2026		D			38,825	(3)	04/24/2033	Class A Common Stock	38,825	(2)	0	D
Employee Stock Option (Right to Buy)	$12.26	10/19/2026		A		38,825		(3)	04/24/2033	Class A Common Stock	38,825	(2)	38,825	D
Employee Stock Option (Right to Buy)	$81.07	10/19/2026		D			66,926	(4)	04/23/2034	Class A Common Stock	66,926	(2)	0	D
Employee Stock Option (Right to Buy)	$12.26	10/19/2026		A		66,926		(4)	04/23/2034	Class A Common Stock	66,926	(2)	66,926	D
Employee Stock Option (Right to Buy)	$49.24	10/19/2026		D			82,508	(5)	04/15/2035	Class A Common Stock	82,508	(2)	0	D
Employee Stock Option (Right to Buy)	$12.26	10/19/2026		A		82,508		(5)	04/15/2035	Class A Common Stock	82,508	(2)	82,508	D
Employee Stock Option (Right to Buy)	$25	10/19/2026		D			309,551	(6)	03/03/2036	Class A Common Stock	309,551	(2)	0	D
Employee Stock Option (Right to Buy)	$12.26	10/19/2026		A		309,551		(6)	03/03/2036	Class A Common Stock	309,551	(2)	309,551	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Davis Tahnil R. C/O THE TRADE DESK, INC. 42 NORTH CHESTNUT STREET VENTURA, CA 93001			Chief Accounting Officer & EVP

Signatures

/s/ Kelli Faerber, Attorney-in Fact for Tahnil R. Davis		10/21/2026
**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 option is fully vested and exercisable.
(2)	The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") under the Issuer's 2025 Incentive Award Plan effective on October 19, 2026 (the "Repricing Date"). Pursuant to the Option Repricing, the exercise price of the repriced options has been amended to reduce the exercise price to $12.26 per share, the closing price of the Issuer's Class A Common Stock on the Repricing Date. There is no change to the number of shares, the expiration dates or the vesting schedule of the repriced options. The Option Repricing was approved by the Issuer's stockholders on October 19, 2026. In order to exercise the repriced options at the new exercise price, the Reporting Person is required to remain in service with the Issuer through April 19, 2027, except for a termination by the Issuer without cause.
(3)	The option was granted on April 24, 2023, the Vesting Commencement Date ("VCD"). One forty-eighth (1/48th) of the shares subject to the option vest on each monthly anniversary thereafter, subject to continued employment with the Issuer through the applicable vesting dates.
(4)	The option was granted on April 23, 2024, the VCD. One forty-eighth (1/48th) of the shares subject to the option vest on each monthly anniversary thereafter, subject to continued employment with the Issuer through the applicable vesting dates.
(5)	The option was granted on April 15, 2025, the VCD. One forty-eighth (1/48th) of the shares subject to the option vest on each monthly anniversary thereafter, subject to continued employment with the Issuer through the applicable vesting dates.
(6)	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 thereafter, subject to continued employment with the Issuer through the applicable vesting dates.

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