SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP 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
 Â	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Buyer Lise J (Last) (First) (Middle) C/O THE TRADE DESK, INC. 42 NORTH CHESTNUT ST. (Street) VENTURA CA 93001 (City) (State) (Zip)	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 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 05/27/2021
	4. If Amendment, Date of 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

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	05/27/2021		A		195(1)	A	$0.00(2)	11,878	D

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 Securities Underlying Derivative Security (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: 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
Stock Option (Right to Buy)	$584.58	05/27/2021		A		349		(3)	05/27/2031	Class A Common Stock	349	$0.00(4)	349	D
Stock Option (Right to Buy)	$584.58	05/27/2021		A		139		(3)	05/27/2031	Class A Common Stock	139	$357.56(5)(6)	139	D
Stock Option (Right to Buy)	$584.58	05/27/2021		A		55		(7)	05/27/2031	Class A Common Stock	55	$357.56(6)(8)	55	D
Stock Option (Right to Buy)	$584.58	05/27/2021		A		27		(9)	05/27/2031	Class A Common Stock	27	$357.56(6)(10)	27	D
Stock Option (Right to Buy)	$584.58	05/27/2021		A		27		(11)	05/27/2031	Class A Common Stock	27	$357.56(6)(10)	27	D

Explanation of Responses:

1. Grant of restricted stock award under the Issuer's 2016 Equity Incentive Plan. The shares vest in four equal installments at the earlier of, for each such installment, (i) the date of the Issuer's applicable regularly scheduled quarterly Corporate Board meeting for the next four quarters from the date of grant or (ii) the date of each of the next four corresponding quarterly anniversaries of the date of grant, provided all then unvested shares shall vest in full on the date of the Issuer's next annual meeting of stockholders, all subject to the Reporting Person's continuous service as a member of the board of directors immediately prior to such date.

2. This restricted stock award was issued to the Reporting Person pursuant to the Issuer's Non-Employee Director Compensation Policy as an annual director equity grant.

3. Grant of option to purchase Class A Common Stock under the Issuer's 2016 Equity Incentive Plan. The shares subject to the option vest in four equal installments at the earlier of, for each such installment, (i) the date of the Issuer's applicable regularly scheduled quarterly Corporate Board meeting for the next four quarters from the date of grant or (ii) the date of each of the next four corresponding quarterly anniversaries of the date of grant, provided all then unvested shares shall vest in full on the date of the Issuer's next annual meeting of stockholders, all subject to the Reporting Person's continuous service as a member of the board of directors immediately prior to such date.

4. This option was issued to the Reporting Person pursuant to the Issuer's Non-Employee Director Compensation Policy as an annual director equity grant.

5. This option was issued to the Reporting Person pursuant to the Issuer's Non-Employee Director Compensation Policy in lieu of director retainer and meeting fees of $50,000.

6. This price represents the Black-Scholes value of an option using the average closing stock price for a share of the Issuer's Class A Common Stock for forty-five consecutive trading days ending on, and including, the grant date. This price was used to calculate the number of shares subject to the option granted.

7. Grant of option to purchase Class A Common Stock under the Issuer's 2016 Equity Incentive Plan. The shares subject to the option vest in four equal installments at the earlier of, for each such installment, (i) the date of the Issuer's applicable regularly scheduled quarterly Corporate Board meeting for the next four quarters from the date of grant or (ii) the date of each of the next four corresponding quarterly anniversaries of the date of grant, provided all then unvested shares shall vest in full on the date of the Issuer's next annual meeting of stockholders, all subject to the Reporting Person's continuous service as lead independent director of the board of directors immediately prior to such date.

8. This option was issued to the Reporting Person pursuant to the Issuer's Non-Employee Director Compensation Policy in lieu of lead independent director retainer and meeting fees of $20,000.

9. Grant of option to purchase Class A Common Stock under the Issuer's 2016 Equity Incentive Plan. The shares subject to the option vest in four equal installments at the earlier of, for each such installment, (i) the date of the Issuer's applicable regularly scheduled quarterly Corporate Board meeting for the next four quarters from the date of grant or (ii) the date of each of the next four corresponding quarterly anniversaries of the date of grant, provided all then unvested shares shall vest in full on the date of the Issuer's next annual meeting of stockholders, all subject to the Reporting Person's continuous service as a member of the audit committee of the board of directors immediately prior to such date.

10. This option was issued to the Reporting Person pursuant to the Issuer's Non-Employee Director Compensation Policy in lieu of director retainer and meeting fees of $10,000

11. Grant of option to purchase Class A Common Stock under the Issuer's 2016 Equity Incentive Plan. The shares subject to the option vest in four equal installments at the earlier of, for each such installment, (i) the date of the Issuer's applicable regularly scheduled quarterly Corporate Board meeting for the next four quarters from the date of grant or (ii) the date of each of the next four corresponding quarterly anniversaries of the date of grant, provided all then unvested shares shall vest in full on the date of the Issuer's next annual meeting of stockholders, all subject to the Reporting Person's continuous service as a member of the nominating and corporate governance committee of the board of directors immediately prior to such date.

Remarks:

	/s/ Alfred Palomino, Attorney-in-Fact for Lise J. Buyer	06/01/2021
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
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