Nathan Olmstead - 19 Oct 2026 Form 4 Insider Report for Trade Desk, Inc. (TTD)

Reporting relationship: Chief Financial Officer
Issuer ticker: TTD
Reported as of: 19 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 Oct 2026, 17:48:37 UTC
Prior SEC filing: 14 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Kelli Faerber, Attorney-in-Fact for Nathan Olmstead

Filing notes and source

Key filing fact

Nathan Olmstead filed Form 4 for Trade Desk, Inc. (TTD) on 21 Oct 2026.

Key facts

This page summarizes Nathan Olmstead's Form 4 filing for Trade Desk, Inc. (TTD).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 21 Oct 2026, 17:48.

Change

Previous filing in this sequence was filed on 14 Sep 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001776828 Primary reporting owner

Olmstead Nathan

Relationship: Chief Financial Officer
Address: C/O THE TRADE DESK, INC., 42 NORTH CHESTNUT STREET, VENTURA
Signature: /s/ Kelli Faerber, Attorney-in-Fact for Nathan Olmstead
Signature date: 21 Oct 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

TTD transaction Derivative

Employee Stock Option (Right to Buy)

Disposed to Issuer

Transaction value
Shares: -439,753
Change %: -100%
Price
Shares after: 0
Date: 19 Oct 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 439,753
Exercise price: $19.75
Footnotes: F1, F2

TTD transaction Derivative

Employee Stock Option (Right to Buy)

Award

Transaction value
Shares: +439,753
Change %
Price
Shares after: 439,753
Date: 19 Oct 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 439,753
Exercise price: $12.26
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The option was granted on July 9, 2026, the Vesting Commencement Date ("VCD"). 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 option vesting on each monthly anniversary thereafter, subject to continued employment with the Issuer through the applicable vesting dates.

Footnote F2

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.