Larry Madden - 10 Sep 2026 Form 4 Insider Report for Viant Technology Inc. (DSP)

Reporting relationship: Chief Financial Officer
Issuer ticker: DSP
Reported as of: 10 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 14 Sep 2026, 19:27:32 UTC
Prior SEC filing: 13 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Larry Madden

Key filing fact

Larry Madden filed Form 4 for Viant Technology Inc. (DSP) on 14 Sep 2026.

Key facts

This page summarizes Larry Madden's Form 4 filing for Viant Technology Inc. (DSP).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 14 Sep 2026, 19:27.

Change

Previous filing in this sequence was filed on 13 Aug 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 0001284309 Primary reporting owner

MADDEN LARRY

Relationship: Chief Financial Officer
Address: C/O VIANT TECHNOLOGY INC., 2722 MICHELSON DRIVE, SUITE 100, IRVINE
Signature: /s/ Larry Madden
Signature date: 14 Sep 2026

Reported non-derivative transactions

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

DSP transaction

Class A Common Stock

Tax liability

Transaction value
Shares: -24,016
Change %: -6%
Price: $12.74^*
Shares after: 374,355
Date: 10 Sep 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 withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of 44,513 restricted stock units on September 10, 2026. These shares were neither issued to nor sold by the Reporting Person.