Trade Desk, Inc. — Director's Dealing 2021

May 18, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Trade Desk, Inc. (TTD)
CIK: 0001671933
Period of Report: 2021-05-15

Reporting Person: GRAYSON BLAKE JEFFREY (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-15	Class A Common Stock	F	133	$517.49	Disposed	21386	Direct
2021-05-18	Class A Common Stock	M	522	$272.35	Acquired	21908	Direct
2021-05-18	Class A Common Stock	S	522	$507.20	Disposed	21386	Direct
2021-05-18	Class A Common Stock	M	136	$272.35	Acquired	21522	Direct
2021-05-18	Class A Common Stock	S	136	$507.20	Disposed	21386	Direct
2021-05-18	Class A Common Stock	M	146	$300.01	Acquired	21532	Direct
2021-05-18	Class A Common Stock	S	146	$507.20	Disposed	21386	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-18	Employee Stock Option (Right to Buy)	$272.35	M	522	Disposed	2029-12-27	Class A Common Stock (522)	Direct
2021-05-18	Employee Stock Option (Right to Buy)	$272.35	M	136	Disposed	2029-12-27	Class A Common Stock (136)	Direct
2021-05-18	Employee Stock Option (Right to Buy)	$300.01	M	146	Disposed	2030-05-15	Class A Common Stock (146)	Direct

Footnotes

F1: The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a restricted stock award granted May 15, 2020.

F2: Includes 84 shares acquired through the Employee Stock Purchase Plan on May 15, 2021.

F3: 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 and Exchange Act of 1934, as amended.

F4: The option was granted on December 27, 2019. The Vesting Commencement Date ("VCD") was December 16, 2019. One-fourth (1/4th) of the shares subject to the option vest on the first anniversary of the VCD, with one forty-eighth (1/48th) of the shares subject to the original grant vesting on each monthly anniversary thereafter, subject to continued employment with the Issuer through the applicable vesting dates.

F5: The option was granted on December 27, 2019. The VCD was December 16, 2019. One forty-eighth (1/48th) of the shares subject to the option vest each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.

F6: The option was granted on May 15, 2020, the VCD. One forty-eighth (1/48th) of the shares subject to the option vest each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.