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Viant Technology Inc. (DSP) XNAS SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. Net insider selling (90d)
Latest DSP Insider Trades
About Viant Technology Inc. (DSP) Viant Technology Inc is an advertising technology company engaged in providing a cloud-based demand-side platform (DSP) for programmatic advertising. The company enables marketers and advertising agencies to plan, buy, and measure digital advertising campaigns across multiple channels, including connected TV, streaming audio, mobile, desktop, and digital out-of-home. Its platform leverages data integrations and proprietary identity solutions to deliver targeted advertising, audience insights, and performance measurement.
Headquarters IRVINE, CA
Employees 470
Listed 2021
Exchange XNAS https://www.viantinc.com SEC filings for DSP on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 15 123,284 $1.47M Grant or award 3 51,609 Option exercise 5 112,500
DSP Insider Transactions (Form 4) 115 66 Form 4 filings on record, the earliest from Oct 11, 2024, newest first. Filing history page 1 of 3.
Date Insider Transaction Security Shares Price Value Sep 10, 2026 CV Christopher Vanderhook - Officer Derivative Class A Common Stock 8,636
Recent DSP Form 8-K Filings 5
Recent DSP Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Sep 16, 2026 Lawrence Madden Officer 73,066 $904K View on EDGAR Jul 6, 2026 - -
DSP Insider Trading - FAQ
What is the latest insider trade for DSP? Viant Technology Inc. (DSP) had 10 insider filings in the last 90 days, with the most recent on 2026-09-14. The full record for DSP runs to 66 Form 4 filings, the earliest from 2024-10-11. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying DSP stock? No insider purchases of DSP were filed in the last 90 days.
How many insiders are selling DSP stock? 15 insider sales of DSP were filed in the last 90 days, totaling $1.47M.
Where can I see DSP SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks DSP Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow DSP insider buys? Create a free InsiderAlpha account and press Watch on this page to add DSP to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Information Technology Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track DSP insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free $20K
Market cap $261.44M
P/E ratio 28.80
Dividend yield -
Average volume 287.5K
52 week high $14.80
52 week low $8.11
Today's high $10.67
Today's low $9.51
Open $10.26
Volume 2.19M
Previous close $12.37
Shares outstanding 21.14M Market cap
$261.44M
470 employees
DSP Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 15 sales totaling $1.47M.
Most-Active DSP Insiders - Last 90 Days 8 Tax withholding / forfeiture 1 24,016
Derivative transaction 5 79,772
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Sep 10, 2026 LM Larry Madden - Officer Tax withholding / forfeiture Class A Common Stock 24,016 $12.74 $306K
Aug 11, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 26,020 $13.03 $339K
Aug 11, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 1,431 $13.68 $20K
Jul 23, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 2,814 $10.69 $30K
Jul 21, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 3,196 $11.70 $37K
Jul 22, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 5,000 $11.03 $55K
Jul 23, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 4,304 $10.47 $45K
Jul 21, 2026 Capital V LLC - 10% Owner Option exercise Class A Common Stock 37,500 $0.00 -
Jul 21, 2026 Capital V LLC - 10% Owner Derivative Class B Common Stock 37,500 $0.00 -
Jul 21, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 9,588 $11.70 $112K
Jul 22, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 15,000 $11.03 $166K
Jul 23, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 12,912 $10.47 $135K
Jul 21, 2026 Capital V LLC - 10% Owner Option exercise Class B Units 37,500 $0.00 -
Jul 6, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 10,097 $12.78 $129K
Jul 7, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 9,149 $12.86 $118K
Jul 8, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 11,273 $12.69 $143K
Jun 17, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 5,000 $11.09 $55K
Jun 18, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 2,500 $10.96 $27K
Jun 16, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 5,000 $11.17 $56K
Jun 16, 2026 Capital V LLC - 10% Owner Option exercise Class A Common Stock 37,500 $0.00 -
Jun 16, 2026 Capital V LLC - 10% Owner Derivative Class B Common Stock 37,500 $0.00 -
Jun 16, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 15,000 $11.17 $168K
Jun 17, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 15,000 $11.09 $166K
Jun 18, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 7,500 $10.96 $82K
Jun 16, 2026 Capital V LLC - 10% Owner Option exercise Class B Units 37,500 $0.00 -
Jun 15, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 25,376 $11.10 $282K
Jun 15, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 9,125 $11.10 $101K
Jun 4, 2026 VY Vivian Yang - Director Grant or award Class A Common Stock 14,544 $0.00 -
Jun 4, 2026 BW Brett Wilson - Director Grant or award Class A Common Stock 14,544 $0.00 -
Jun 8, 2026 MV Max O. Valdes - Director Open-market sale Class A Common Stock 3,300 $12.10 $40K
Jun 9, 2026 MV Max O. Valdes - Director Open-market sale Class A Common Stock 3,386 $11.97 $41K
Jun 5, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 18,663 $12.24 $228K
Jun 8, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 14,670 $12.10 $177K
Jun 4, 2026 VY Vivian Yang - Director Grant or award Class A Common Stock 15,948 $0.00 -
Jun 4, 2026 BW Brett Wilson - Director Grant or award Class A Common Stock 15,948 $0.00 -
Jun 4, 2026 MV Max O. Valdes - Director Grant or award Class A Common Stock 15,948 $0.00 -
May 19, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 5,000 $10.89 $54K
May 20, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 5,000 $10.60 $53K
May 21, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 2,500 $10.79 $27K
May 19, 2026 Capital V LLC - 10% Owner Option exercise Class A Common Stock 37,500 $0.00 -
May 19, 2026 Capital V LLC - 10% Owner Derivative Class B Common Stock 37,500 $0.00 -
May 19, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 15,000 $10.89 $163K
May 20, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 15,000 $10.60 $159K
May 21, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 7,500 $10.79 $81K
May 19, 2026 Capital V LLC - 10% Owner Option exercise Class B Units 37,500 $0.00 -
May 8, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 18,538 $11.85 $220K
May 11, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 13,826 $11.29 $156K
May 11, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 3,471 $11.95 $41K
Apr 21, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 13,283 $10.91 $145K
Apr 22, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 13,263 $10.74 $142K
Apr 23, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 12,782 $10.16 $130K
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