Skip to content
sellWeak cluster of 3

Timothy Vanderhook sold $85k of DSP

CEO and Chairman at Viant Technology Inc.. 8,782 shares at an average of $9.73, traded Sep 15, 2025, filed Sep 17, 2025.

Warning score
34
Value
$85k
8,782 shares
Holdings after
356,284
-2% from before
From 52-week low
+0%
low $9.29, close $9.30
From 52-week high
-64%
high $25.95, as of Sep 15, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $85k at market
    +9
  • Share of holdings sold
    Sold 2.4% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -12.9%, 3m +23.2%, 6m +25.7%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

DSPOct 12, 2026 · close 13.17
Since filing Sep 17, 2025: +40.6%SPY +19.6% · excess +20.9%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001843103-25-000007, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 15, 2025SOpen-market sale
Class A Common Stock
-8,782$9.73$85k356,284Sep 17, 2025
Sep 16, 2025MOption exercise
Class A Common Stockindirect: By Capital V LLC
+313,926$0.00$0313,926Sep 17, 2025
Sep 16, 2025DDisposition to issuer
Class B Common Stockindirect: By Capital V LLC
-313,926$0.00$09,169,775Sep 17, 2025
Sep 17, 2025DDisposition to issuer
Class A Common Stockindirect: By Capital V LLC
-313,926$9.56$3.0M0Sep 17, 2025
Sep 16, 2025MOption exercise
Class B Unitsderivativeindirect: By Capital V LLC
-313,926$0.00$09,169,775Sep 17, 2025

Related signals

Other insiders at Viant Technology Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
18Weak
DSPsell10b5-1
Viant Technology Inc.
Larry Madden
Chief Financial Officer
$390k
31,644 shares
-8%
17Weak
DSPsell10b5-1
Viant Technology Inc.
Larry Madden
Chief Financial Officer
$359k
27,451 shares
-6%
22Weak
DSPsell 410b5-1
Viant Technology Inc.
Larry Madden
Chief Financial Officer
$30k
2,814 shares
-1%
28Weak
DSPsell 410b5-1
Viant Technology Inc.
Capital V LLC
owner
$413k
37,500 shares
-100%
31Weak
DSPsell 410b5-1
Viant Technology Inc.
Christopher Vanderhook
Chief Operating Officer
$138k
12,500 shares
-100%
36Weak
DSPsell 410b5-1
Viant Technology Inc.
Timothy Vanderhook
CEO and Chairman
$138k
12,500 shares
-100%
18Weak
DSPsell10b5-1
Viant Technology Inc.
Larry Madden
Chief Financial Officer
$390k
30,519 shares
-7%
28Weak
DSPsell 510b5-1
Viant Technology Inc.
Capital V LLC
owner
$416k
37,500 shares
-100%
31Weak
DSPsell 510b5-1
Viant Technology Inc.
Christopher Vanderhook
Chief Operating Officer
$139k
12,500 shares
-100%
36Weak
DSPsell 510b5-1
Viant Technology Inc.
Timothy Vanderhook
CEO and Chairman
$139k
12,500 shares
-100%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Timothy Vanderhook sold $85k of DSP | InsiderTell