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sellModerate cluster of 5

Thomas Donald Brisbin sold $14M of WLDN

director at Willdan Group, Inc.. 130,082 shares at an average of $109.69, traded Aug 18, 2025, filed Aug 20, 2025.

Warning score
50
Value
$14M
130,082 shares
Holdings after
320,696
-29% from before
From 52-week low
+255%
low $30.88, close $109.53
From 52-week high
-9%
high $120.35, as of Aug 18, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $14.3M at market
    +25
  • Share of holdings sold
    Sold 29% of holdings
    +10
  • Cluster
    5 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 +0.1%, 3m -7.5%, 6m +12.7%.

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.

WLDNOct 9, 2026 · close 75.12
Since filing Aug 20, 2025: -27.2%SPY +23.6% · excess -50.8%

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 0001415889-25-022512, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 18, 2025AGrant or award
Common Stock
+21,461$0.00$0445,696Aug 20, 2025
Aug 18, 2025MOption exercise
Common Stock
+5,082$16.27$83k450,778Aug 20, 2025
Aug 18, 2025SOpen-market sale
Common Stock
-4,782$112.30$537k445,996Aug 20, 2025
Aug 18, 2025SOpen-market sale
Common Stock
-300$113.01$34k445,696Aug 20, 2025
Aug 18, 2025SOpen-market sale
Common Stock
-33,233$108.63$3.6M412,463Aug 20, 2025
Aug 18, 2025SOpen-market sale
Common Stock
-58,303$109.51$6.4M354,160Aug 20, 2025
Aug 18, 2025SOpen-market sale
Common Stock
-26,258$110.51$2.9M327,902Aug 20, 2025
Aug 18, 2025SOpen-market sale
Common Stock
-7,206$111.21$801k320,696Aug 20, 2025
Aug 18, 2025MOption exercise
Stock Options (Right to Buy)derivative
-5,082$0.00$094,918Aug 20, 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%
75Notable
WLDNsell 5
Willdan Group, Inc.
Thomas Donald Brisbin
director
$13M
117,595 shares
-62%
35Weak
WLDNsell 5
Willdan Group, Inc.
Thomas Donald Brisbin
director
$612k
5,182 shares
-7%

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 $14M of WLDN | InsiderTell