Timothy Vanderhook - 15 Jun 2026 Form 4 Insider Report for Viant Technology Inc. (DSP)

Reporting relationship: CEO and Chairman, Director, 10%+ Owner
Issuer ticker: DSP
Reported as of: 15 Jun 2026
Net transaction value: -$101,288
SEC form: 4
Accepted by SEC: 15 Jun 2026, 20:41:47 UTC
Prior SEC filing: 10 Jun 2026
Next SEC filing: 18 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Larry Madden, Attorney-in-Fact for Timothy Vanderhook

Key filing fact

Timothy Vanderhook filed Form 4 for Viant Technology Inc. (DSP) on 15 Jun 2026.

Key facts

This page summarizes Timothy Vanderhook's Form 4 filing for Viant Technology Inc. (DSP).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 15 Jun 2026, 20:41.

Change

Previous filing in this sequence was filed on 10 Jun 2026.
Current net transaction value: -$101,288.

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 0001843103 Primary reporting owner

Vanderhook Timothy

Relationship: CEO and Chairman, Director, 10%+ Owner
Address: C/O VIANT TECHNOLOGY INC., 2722 MICHELSON DRIVE, SUITE 100, IRVINE
Signature: /s/ Larry Madden, Attorney-in-Fact for Timothy Vanderhook
Signature date: 15 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DSP transaction

Class A Common Stock

Sale

Transaction value: $101,288
Shares: -9,125
Change %: -4.2%
Price: $11.10
Shares after: 208,880
Date: 15 Jun 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Shares were sold in a transaction instituted by the Issuer on the Reporting Person's behalf to cover estimated taxes associated with the vesting and settlement of restricted stock units.