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Viant Technology ($DSP) Insider Trading & Smart Money Activity

Viant Technology Inc. · Software - Application · Latest filing Oct 13, 2026

Viant Technology Inc. ($DSP) has 18 insider trades on file. In the last 12 months on the open market, no insider bought and 4 insiders sold ($2.10M), net -$2.10M.

Insider buyers (12 mo)
0
Insider sellers (12 mo)
4
Net insider $ (12 mo)
-$2.10M
Congress trades (12 mo)
0
13F moves on file
0
Analyst ratings on file
0

DSP insider buying and selling by quarter

QuarterInsider buysInsider salesCongress buys / sales13F added / cut
Q1 2026 0 0 0 / 0 0 / 0
Q2 2026 0 13 · $1.44M 0 / 0 0 / 0
Q3 2026 0 2 · $390.02K 0 / 0 0 / 0
Q4 2026 0 1 · $272.06K 0 / 0 0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All DSP insider, congress, 13F and analyst activity

DateSourceWhoActionSharesValue / amount ΔOwn1W1M6MFilingStory
Insider Larry MaddenChief Financial Officer Sell (Open-market sale) 10b5-1 20.71K sh $272.06K Read
Insider Larry MaddenChief Financial Officer Sell (Open-market sale) 10b5-1 14.60K sh $176.74K +2.6% —
Insider Larry MaddenChief Financial Officer Sell (Open-market sale) 10b5-1 17.04K sh $213.28K -0.6%+2.2% —
Insider Timothy VanderhookCEO and Chairman Sell (Open-market sale) 10b5-1 2.50K sh $27.40K -2.2%+5.9% Read
Insider Christopher VanderhookChief Operating Officer Sell (Open-market sale) 10b5-1 2.50K sh $27.40K -2.2%+5.9% Read
Insider Capital LLC Sell (Open-market sale) 10b5-1 7.50K sh $82.20K -2.2%+5.9% Read
Insider Timothy VanderhookCEO and Chairman Sell (Open-market sale) 10b5-1 5K sh $55.45K +1.5%+4.8% Read
Insider Christopher VanderhookChief Operating Officer Sell (Open-market sale) 10b5-1 5K sh $55.45K +1.5%+4.8% Read
Insider Capital LLC Sell (Open-market sale) 10b5-1 15K sh $166.35K +1.5%+4.8% Read
Insider Timothy VanderhookCEO and Chairman Sell (Open-market sale) 10b5-1 5K sh $55.85K -2.5%+9.1% Read
Insider Christopher VanderhookChief Operating Officer Buy (Option exercise) 12.50K sh -2.5%+9.1% Read
Insider Capital LLC Sell (Disposition to issuer) 37.50K sh -2.5%+9.1% Read
Insider Timothy VanderhookCEO and Chairman Sell (Open-market sale) 9.12K sh $101.29K -3.4%+16.9% —
Insider Timothy VanderhookCEO and Chairman Sell (Open-market sale) 9.12K sh $101.29K -3.4%+16.9% Read
Insider Christopher VanderhookChief Operating Officer Sell (Open-market sale) 9.12K sh $101.29K -3.4%+16.9% —
Insider Christopher VanderhookChief Operating Officer Sell (Open-market sale) 9.12K sh $101.29K -3.4%+16.9% Read
Insider Larry MaddenChief Financial Officer Sell (Open-market sale) 25.38K sh $281.67K -3.4%+16.9% —
Insider Larry MaddenChief Financial Officer Sell (Open-market sale) 25.38K sh $281.67K -3.4%+16.9% Read

1W / 1M / 6M = how DSP moved from the trade or filing date.

Insider trading in DSP: who is buying and selling

InsiderRoleTradesOpen-market netShares heldLast trade
Larry Madden Chief Financial Officer 5 -$1.23M Oct 13, 2026
Timothy Vanderhook CEO and Chairman 5 -$341.27K Jun 18, 2026
Christopher Vanderhook Chief Operating Officer 5 -$285.43K Jun 18, 2026
Capital LLC 3 -$248.55K Jun 18, 2026

Frequently asked questions

Are DSP insiders buying or selling?

Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 4 insiders made 16 open-market sales worth $2.10M, a net -$2.10M.

What is the latest insider trade in DSP?

Larry Madden, Chief Financial Officer filed a sell (open-market sale) of 20.71K sh worth $272.06K on Oct 13, 2026.

Other software - application stocks

All stocks Insider cluster buys Top insider purchases Congress 13F institutions

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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