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
	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* Perdue Robert David (Last) (First) (Middle) C/O THE TRADE DESK, INC. 42 NORTH CHESTNUT STREET (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 X Officer (give title below) Other (specify below) Chief Operating Officer
	3. Date of Earliest Transaction (Month/Day/Year) 07/02/2018
	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	07/02/2018		C		20,000	A	$0.00	152,093	D
Class A Common Stock	07/02/2018		S(1)		8,927	D	$92.68(2)	143,166	D
Class A Common Stock	07/02/2018		S(1)		10,400	D	$93.6(3)	132,766	D
Class A Common Stock	07/02/2018		S(1)		673	D	$94.14(4)	132,093	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
Employee Stock Option (Right to Buy)	$0.819	07/02/2018		M			6,666	(5)	04/22/2024	Class B Common Stock	6,666	$0.819	0	D
Class B Common Stock	$0.00	07/02/2018		M		6,666		(6)	(6)	Class A Common Stock	6,666	$0.00	6,666	D
Class B Common Stock	$0.00	07/02/2018		C			6,666	(6)	(6)	Class A Common Stock	6,666	$0.00	0	D
Employee Stock Option (Right to Buy)	$0.819	07/02/2018		M			13,334	(7)	01/19/2025	Class B Common Stock	13,334	$0.819	29,999	D
Class B Common Stock	$0.00	07/02/2018		M		13,334		(6)	(6)	Class A Common Stock	13,334	$0.00	13,334	D
Class B Common Stock	$0.00	07/02/2018		C			13,334	(6)	(6)	Class A Common Stock	13,334	$0.00	0	D

Explanation of Responses:

1. The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.11 to $93.09, 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 sold 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 sold in multiple transactions at prices ranging from $93.10 to $94.06, 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 sold at each separate price within the ranges set forth in this footnote.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $94.10 to $94.18, 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 sold at each separate price within the ranges set forth in this footnote.

5. The option was granted on April 23, 2014, the Vesting Commencement Date ("VCD"). The option vests in equal increments on each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.

6. Each share of Class B Common Stock has no expiration date and is convertible for no additional consideration into one (1) share of Class A Common Stock at the option of the holder thereof at any time and upon certain other circumstances.

7. The option was granted on January 20, 2015, the VCD. The option vests in equal increments on each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.

Remarks:

	/s/ Paul E. Ross, Attorney-in-Fact for Robert D. Perdue	07/05/2018
	** 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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