Viant Technology Inc. (DSP) Insider Trading

Viant Technology Inc. (DSP) has 11 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 7 sales totalling $1.9M. Most recent filing: Sept. 18, 2026.

Filings
11
Purchases
0
$0
Sales
7
$1.9M
Insiders
5

Most active DSP insiders

MADDEN LARRY
Chief Financial Officer
0 bought · 4 sold · Sept. 18, 2026
$1.5M
Capital V LLC
10% Owner
0 bought · 1 sold · July 23, 2026
$413K
Vanderhook Christopher
Chief Operating Officer
0 bought · 1 sold · Sept. 14, 2026
$248K
Vanderhook Timothy
CEO and Chairman
0 bought · 1 sold · Sept. 14, 2026
$248K
Abrahams Craig Justin
Director
0 bought · 0 sold · Aug. 12, 2026
$0

Latest DSP Form 4 filings

Date Insider Value Shares Stake Pre-planned Links
Sept. 18, 2026 filed Sept. 16, 2026 MADDEN LARRY Chief Financial Officer −$390,019 31,644 −8% Yes
Sept. 14, 2026 filed Sept. 10, 2026 Vanderhook Christopher Chief Operating Officer $110,023 8,636 −3% No
Sept. 14, 2026 filed Sept. 10, 2026 Vanderhook Timothy CEO and Chairman $110,023 8,636 −4% No
Sept. 14, 2026 filed Sept. 10, 2026 MADDEN LARRY Chief Financial Officer $305,964 24,016 −6% No
Aug. 13, 2026 filed Aug. 11, 2026 MADDEN LARRY Chief Financial Officer −$358,514 27,451 −6% Yes

Showing the 5 most recent of 11 filings in the last 90 days.

About this data

Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.

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Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.

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