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Viant Technology Inc.

DSP
Exchange
Nasdaq
Industry
Services-Computer Programming, Data Processing, Etc.
SEC CIK
0001828791

In the last 90 days, Viant Technology Inc. insiders filed 0 open-market purchases and 6 sales; 120 institutions reported holding it in 13F filings for Q2 2026, worth $154.9M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Viant Technology Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
6 filings
3 insiders, $1.72M in total
Insiders trading
3
Net value
−$1.72M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Viant Technology Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Viant Technology Inc.
NameTitleLast reported holdingLast filingFilings, past year
Madden LarryChief Financial Officer342,711Sep 18, 202615
Vanderhook ChristopherChief Operating Officer285,244Sep 14, 202613
Vanderhook TimothyCEO and Chairman200,244Sep 14, 202613
Abrahams Craig JustinDirector39,109Aug 12, 20261
Capital V LLC10% Owner0Jul 23, 20269
Valdes Max ODirector29,449Jun 10, 20262
Wilson BrettDirector50,463Jun 10, 20261
Yang VivianDirector108,457Jun 10, 20261
Williams Elizabeth GoodmanDirector87,137Jun 4, 20240

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 18, 2026 (view filing)8:37 PM ETSep 16-182 daysMadden LarryChief Financial OfficerSSaleClass A Common Stock−31.6K$12.33−$390.0K−8.5%342.7K after2 lots10b5-1
Aug 13, 2026 (view filing)6:25 PM ETAug 112 daysMadden LarryChief Financial OfficerSSaleClass A Common Stock−27.5K$13.06−$358.5K−6.4%398.4K after2 lots10b5-1
Jul 27, 2026 (view filing)7:23 PM ETJul 234 daysMadden LarryChief Financial OfficerSSaleClass A Common Stock−2.81K$10.69−$30.1K−0.7%425.8K after10b5-1
Jul 23, 2026 (view filing)9:54 PM ETJul 21-232 daysVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−12.5K$11.01−$137.6K−100.0%0 after3 lots10b5-1Duplicate filing
Jul 23, 2026 (view filing)9:54 PM ETJul 21-232 daysVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−12.5K$11.01−$137.6K−100.0%0 after3 lots10b5-1
Jul 23, 2026 (view filing)9:53 PM ETJul 21-232 daysCapital V LLC10% OwnerSSaleClass A Common Stock−37.5K$11.01−$412.9K−100.0%0 after3 lots10b5-1
Jul 8, 2026 (view filing)8:41 PM ETJul 6-82 daysMadden LarryChief Financial OfficerSSaleClass A Common Stock−30.5K$12.77−$389.8K−6.6%428.6K after3 lots10b5-1
Jun 18, 2026 (view filing)Jun 16-182 daysCapital V LLC10% OwnerSSaleClass A Common Stock−37.5K$11.10−$416.1K−100.0%0 after3 lots10b5-1
Jun 18, 2026 (view filing)Jun 16-182 daysVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−12.5K$11.10−$138.7K−100.0%0 after3 lots10b5-1Duplicate filing
Jun 18, 2026 (view filing)Jun 16-182 daysVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−12.5K$11.10−$138.7K−100.0%0 after3 lots10b5-1
Jun 15, 2026 (view filing)Jun 15Same dayMadden LarryChief Financial OfficerSSaleClass A Common Stock−25.4K$11.10−$281.7K−5.2%459.2K after
Jun 15, 2026 (view filing)Jun 15Same dayVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−9.13K$11.10−$101.3K−3.0%293.9K after
Jun 15, 2026 (view filing)Jun 15Same dayVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−9.13K$11.10−$101.3K−4.2%208.9K after
Jun 10, 2026 (view filing)Jun 8-92 daysValdes Max ODirectorSSaleClass A Common Stock−6.69K$12.03−$80.5K−18.5%29.4K after2 lots
Jun 8, 2026 (view filing)Jun 5-83 daysMadden LarryChief Financial OfficerSSaleClass A Common Stock−33.3K$12.18−$405.9K−6.4%484.5K after2 lots10b5-1
May 21, 2026 (view filing)May 19-212 daysVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−12.5K$10.75−$134.4K−100.0%0 after3 lots10b5-1Duplicate filing
May 21, 2026 (view filing)May 19-212 daysVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−12.5K$10.75−$134.4K−100.0%0 after3 lots10b5-1
May 21, 2026 (view filing)May 19-212 daysCapital V LLC10% OwnerSSaleClass A Common Stock−37.5K$10.75−$403.3K−100.0%0 after3 lots10b5-1
May 12, 2026 (view filing)May 8-114 daysMadden LarryChief Financial OfficerSSaleClass A Common Stock−35.8K$11.64−$417.2K−6.5%517.9K after3 lots10b5-1
Apr 23, 2026 (view filing)Apr 21-232 daysMadden LarryChief Financial OfficerSSaleClass A Common Stock−39.3K$10.61−$417.2K−6.6%553.7K after3 lots10b5-1
Apr 22, 2026 (view filing)Apr 20-222 daysCapital V LLC10% OwnerSSaleClass A Common Stock−37.5K$10.96−$410.8K−100.0%0 after3 lots10b5-1
Apr 22, 2026 (view filing)Apr 20-222 daysVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−12.5K$10.96−$136.9K−100.0%0 after3 lots10b5-1Duplicate filing
Apr 22, 2026 (view filing)Apr 20-222 daysVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−12.5K$10.96−$136.9K−100.0%0 after3 lots10b5-1
Apr 7, 2026 (view filing)Apr 61 dayMadden LarryChief Financial OfficerSSaleClass A Common Stock−7.30K$11.31−$82.5K−1.2%593.0K after10b5-1
Apr 3, 2026 (view filing)Apr 1-22 daysMadden LarryChief Financial OfficerSSaleClass A Common Stock−17.5K$11.08−$194.3K−2.8%600.3K after2 lots10b5-1
Mar 19, 2026 (view filing)Mar 17-192 daysCapital V LLC10% OwnerSSaleClass A Common Stock−38.8K$11.79−$457.0K−100.0%0 after3 lots10b5-1
Mar 19, 2026 (view filing)Mar 17-192 daysVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−12.9K$11.79−$152.3K−100.0%0 after3 lots10b5-1Duplicate filing
Mar 19, 2026 (view filing)Mar 17-192 daysVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−12.9K$11.79−$152.3K−100.0%0 after3 lots10b5-1
Mar 17, 2026 (view filing)Mar 134 daysMadden LarryChief Financial OfficerSSaleClass A Common Stock−1.66K$13.03−$21.6K−0.4%368.6K after10b5-1
Feb 19, 2026 (view filing)Feb 17-192 daysCapital V LLC10% OwnerSSaleClass A Common Stock−36.2K$9.21−$333.7K−96.6%1.26K after3 lots10b5-1
Feb 19, 2026 (view filing)Feb 17-192 daysVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−12.1K$9.21−$111.2K−96.6%420 after3 lots10b5-1Duplicate filing
Feb 19, 2026 (view filing)Feb 17-192 daysVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−12.1K$9.21−$111.2K−96.6%420 after3 lots10b5-1
Jan 26, 2026 (view filing)Jan 224 daysMadden LarryChief Financial OfficerSSaleClass A Common Stock−4.22K$13.09−$55.3K−1.0%405.6K after10b5-1
Jan 22, 2026 (view filing)Jan 20-222 daysCapital V LLC10% OwnerSSaleClass A Common Stock−37.5K$12.25−$459.4K−100.0%0 after3 lots10b5-1
Jan 22, 2026 (view filing)Jan 20-222 daysVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−12.5K$12.25−$153.1K−100.0%0 after3 lots10b5-1Duplicate filing
Jan 22, 2026 (view filing)Jan 20-222 daysVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−12.5K$12.25−$153.1K−100.0%0 after3 lots10b5-1
Dec 19, 2025 (view filing)Dec 19Same dayCapital V LLC10% OwnerSSaleClass A Common Stock−7.50K$11.79−$88.4K−100.0%0 after10b5-1
Dec 19, 2025 (view filing)Dec 19Same dayVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−2.50K$11.79−$29.5K−100.0%0 after10b5-1Duplicate filing
Dec 19, 2025 (view filing)Dec 19Same dayVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−2.50K$11.79−$29.5K−100.0%0 after10b5-1
Dec 18, 2025 (view filing)Dec 17-181 dayCapital V LLC10% OwnerSSaleClass A Common Stock−30.0K$11.84−$355.1K−80.0%7.50K after2 lots10b5-1
Dec 18, 2025 (view filing)Dec 171 dayVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−9.10K$11.70−$106.5K−2.6%347.2K after10b5-1
Dec 18, 2025 (view filing)Dec 17-181 dayVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−10.0K$11.84−$118.3K−80.0%2.50K after2 lots10b5-1Duplicate filing
Dec 18, 2025 (view filing)Dec 171 dayVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−9.10K$11.70−$106.5K−2.6%347.2K after10b5-1
Dec 18, 2025 (view filing)Dec 17-181 dayVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−10.0K$11.84−$118.3K−80.0%2.50K after2 lots10b5-1
Dec 18, 2025 (view filing)Dec 171 dayMadden LarryChief Financial OfficerSSaleClass A Common Stock−13.5K$11.70−$157.7K−3.2%409.8K after
Sep 17, 2025 (view filing)Sep 152 daysVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−8.78K$9.73−$85.4K−2.4%356.3K after
Sep 17, 2025 (view filing)Sep 152 daysVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−8.78K$9.73−$85.4K−2.4%356.3K after
Sep 17, 2025 (view filing)Sep 152 daysMadden LarryChief Financial OfficerSSaleClass A Common Stock−13.0K$9.73−$126.5K−3.0%423.3K after
Jun 13, 2025 (view filing)Jun 13Same dayVanderhook TimothyCEO and ChairmanSSaleClass A Common Stock−8.96K$13.08−$117.2K−2.4%365.1K after
Jun 13, 2025 (view filing)Jun 13Same dayVanderhook ChristopherChief Operating OfficerSSaleClass A Common Stock−8.96K$13.08−$117.2K−2.4%365.1K after