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sellWeak cluster of 410b5-1 plan

Timothy Vanderhook sold $225k of DSP

CEO and Chairman at Viant Technology Inc.. 19,102 shares at an average of $11.77, traded Dec 17, 2025, filed Dec 18, 2025.

Warning score
17
Value
$225k
19,102 shares
Holdings after
2,500
-5% from before
From 52-week low
+42%
low $8.14, close $11.54
From 52-week high
-56%
high $25.95, as of Dec 17, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $225k at market
    +12
  • Share of holdings sold
    Sold 5.4% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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 +5.3%, 3m -2.5%, 6m -5.6%.

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 9, 2026 · close 13.13
Since filing Dec 18, 2025: +10.2%SPY +16.3% · excess -6.1%

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 0001828791-25-000101, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 16, 2025MOption exercise
Class A Common Stockindirect: By Capital V LLC10b5-1
+12,500$0.00$012,500Dec 18, 2025
Dec 16, 2025DDisposition to issuer
Class B Common Stockindirect: By Capital V LLC10b5-1
-12,500$0.00$09,157,275Dec 18, 2025
Dec 17, 2025SOpen-market sale
Class A Common Stock10b5-1
-9,102$11.70$107k347,182Dec 18, 2025
Dec 17, 2025SOpen-market sale
Class A Common Stockindirect: By Capital V LLC10b5-1
-5,000$11.74$59k7,500Dec 18, 2025
Dec 18, 2025SOpen-market sale
Class A Common Stockindirect: By Capital V LLC10b5-1
-5,000$11.93$60k2,500Dec 18, 2025
Dec 18, 2025GGift
Class A Common Stock10b5-1
-85,000$0.00$0262,182Dec 18, 2025
Dec 16, 2025MOption exercise
Class B Unitsderivativeindirect: By Capital V LLC10b5-1
-12,500--9,157,275Dec 18, 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%
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%
51Moderate
DSPsell 5
Viant Technology Inc.
Larry Madden
Chief Financial Officer
$282k
25,376 shares
-5%
45Moderate
DSPsell 5
Viant Technology Inc.
Christopher Vanderhook
Chief Operating Officer
$101k
9,125 shares
-3%
50Moderate
DSPsell 5
Viant Technology Inc.
Timothy Vanderhook
CEO and Chairman
$101k
9,125 shares
-4%
44Moderate
DSPsell 5
Viant Technology Inc.
Max O Valdes
director
$80k
6,686 shares
-19%
33Weak
DSPsell 510b5-1
Viant Technology Inc.
Larry Madden
Chief Financial Officer
$406k
33,333 shares
-6%
28Weak
DSPsell 410b5-1
Viant Technology Inc.
Capital V LLC
owner
$403k
37,500 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.