Viant Technology Inc (DSP) insider trading
Every open-market stock purchase and sale by Viant Technology Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Larry Madden (CFO) and 3 others sold $1.9M in the last 90 days.
- Last insider buy: Elizabeth Goodman Williams (Director), $625K, 5 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $9.3M (43 sales). Last close $11.88 on Sep 18, 2026.
Recent DSP insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 18, 2026 | Larry Madden (CFO) | Sold | $177K |
| Sep 16, 2026 | Larry Madden (CFO) | Sold | $213K |
| Sep 10, 2026 | Larry Madden (CFO) | Sold (not open market) | $306K |
| Sep 10, 2026 | Christopher Vanderhook (COO) | Sold (not open market) | $110K |
| Sep 10, 2026 | Timothy Vanderhook (CEO) | Sold (not open market) | $110K |
| Aug 11, 2026 | Larry Madden (CFO) | Sold | $339K |
| Aug 11, 2026 | Larry Madden (CFO) | Sold | $19.6K |
| Aug 10, 2026 | Craig Justin Abrahams (Director) | Bought (not open market) | — |
| Aug 10, 2026 | Craig Justin Abrahams (Director) | Bought (not open market) | — |
| Jul 23, 2026 | Capital V LLC (10% owner) | Sold | $135K |
| Jul 23, 2026 | Christopher Vanderhook (COO) | Sold | $45.1K |
| Jul 23, 2026 | Timothy Vanderhook (CEO) | Sold | $45.1K |
| Jul 23, 2026 | Larry Madden (CFO) | Sold | $30.1K |
| Jul 22, 2026 | Capital V LLC (10% owner) | Sold | $166K |
| Jul 22, 2026 | Christopher Vanderhook (COO) | Sold | $55.2K |
| Jul 22, 2026 | Timothy Vanderhook (CEO) | Sold | $55.2K |
| Jul 21, 2026 | Capital V LLC (10% owner) | Sold | $112K |
| Jul 21, 2026 | Christopher Vanderhook (COO) | Sold | $37.4K |
| Jul 21, 2026 | Timothy Vanderhook (CEO) | Sold | $37.4K |
| Jul 21, 2026 | Capital V LLC (10% owner) | Sold (not open market) | — |
| Jul 21, 2026 | Christopher Vanderhook (COO) | Sold (not open market) | — |
| Jul 21, 2026 | Timothy Vanderhook (CEO) | Sold (not open market) | — |
| Jul 21, 2026 | Christopher Vanderhook (COO) | Sold (not open market) | — |
| Jul 21, 2026 | Christopher Vanderhook (COO) | Bought (not open market) | — |
| Jul 21, 2026 | Capital V LLC (10% owner) | Bought (not open market) | — |
Who's trading DSP
- Larry Madden, CFO: sold $3.2M (23 sales), last Sep 18, 2026
- Christopher Vanderhook, COO: sold $1.3M (26 sales), last Sep 10, 2026
- Timothy Vanderhook, CEO: sold $1.3M (26 sales), last Sep 10, 2026
- Craig Justin Abrahams, Director: other filings, last Aug 10, 2026
- Capital V LLC, 10% owner: sold $3.3M (24 sales), last Jul 23, 2026
- Max O Valdes, Director: sold $80.5K (2 sales), last Jun 9, 2026
- Brett Wilson, Director: other filings, last Jun 4, 2026
- Vivian Yang, Director: other filings, last Jun 4, 2026
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