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sellNotable cluster of 5

Thomas Donald Brisbin sold $13M of WLDN

director at Willdan Group, Inc.. 117,595 shares at an average of $108.72, traded Aug 22, 2025, filed Aug 26, 2025.

Warning score
75
Value
$13M
117,595 shares
Holdings after
70,696
-62% from before
From 52-week low
+260%
low $30.88, close $111.11
From 52-week high
-8%
high $120.35, as of Aug 22, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $12.8M at market
    +25
  • Share of holdings sold
    Sold 62% of holdings
    +20
  • Cluster
    5 insiders selling within 14 days
    +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 -16.7%, 3m -14.8%, 6m -4.2%.

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.

WLDNOct 9, 2026 · close 75.12
Since filing Aug 26, 2025: -35.6%SPY +22.2% · excess -57.8%

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 0001415889-25-023043, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 22, 2025SOpen-market sale
Common Stock
-10,615$104.58$1.1M177,676Aug 26, 2025
Aug 22, 2025SOpen-market sale
Common Stock
-4,910$105.36$517k172,766Aug 26, 2025
Aug 22, 2025SOpen-market sale
Common Stock
-7,520$106.68$802k165,246Aug 26, 2025
Aug 22, 2025SOpen-market sale
Common Stock
-8,974$107.65$966k156,272Aug 26, 2025
Aug 22, 2025SOpen-market sale
Common Stock
-24,988$108.90$2.7M131,284Aug 26, 2025
Aug 22, 2025SOpen-market sale
Common Stock
-33,096$109.39$3.6M98,188Aug 26, 2025
Aug 22, 2025SOpen-market sale
Common Stock
-27,492$110.84$3.0M70,696Aug 26, 2025

Related signals

Other insiders at Willdan Group, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
16Weak
WLDNsell
Willdan Group, Inc.
Thomas Donald Brisbin
director
$389k
4,905 shares
-5%
14Weak
WLDNsell
Willdan Group, Inc.
Thomas Donald Brisbin
director
$303k
3,439 shares
-3%
35Weak
WLDNsell
Willdan Group, Inc.
Thomas Donald Brisbin
director
$5.2M
58,757 shares
-38%
40Moderate
WLDNsell
Willdan Group, Inc.
Michael A Bieber
PRESIDENT AND CEO
$5.2M
56,676 shares
-19%
34Weak
WLDNsell
Willdan Group, Inc.
Michael A Bieber
PRESIDENT AND CEO
$926k
9,991 shares
-4%
38Weak
WLDNsell
Willdan Group, Inc.
Steven A Cohen
director
$491k
6,000 shares
-22%
38Weak
WLDNsell 2
Willdan Group, Inc.
Micah Chen
EXECUTIVE VP & GENERAL COUNSEL
$1.1M
10,000 shares
-20%
55Moderate
WLDNsell 2
Willdan Group, Inc.
Dennis McGinn V
director
$776k
7,298 shares
-39%
35Weak
WLDNsell 5
Willdan Group, Inc.
Thomas Donald Brisbin
director
$612k
5,182 shares
-7%
65Notable
WLDNsell 5
Willdan Group, Inc.
Thomas Donald Brisbin
director
$13M
125,000 shares
-40%

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.

Thomas Donald Brisbin sold $13M of WLDN | InsiderTell