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WLDN

Willdan Group (WLDN) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $75.12 +0.5% on the day -19.8% over 12 months 52-week range $66.91 – $134.94

Share price and insider trades

WLDN closeInsider buyInsider sale
6080100120140NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $303,285 on 2026-09-08 · Thomas Donald BrisbinSold $389,254 on 2026-09-15 · Thomas Donald BrisbinSold $490,920 on 2026-03-06 · Steven A CohenSold $925,666 on 2026-05-13 · Michael A BieberSold $5,178,842 on 2026-09-03 · Thomas Donald BrisbinSold $5,190,212 on 2026-05-14 · Michael A Bieber
Bought, 12 months$0
Sold, 12 months$12.5M
Insiders buying0
Insiders selling3

Willdan Group insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 3 sold $12.5M of WLDN stock on the open market.

WLDN insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q1 2026: $491K sold (1 trades)Q1 2026Q2 2026: $6.1M sold (5 trades)Q2 2026Q3 2026: $5.9M sold (4 trades)Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0$5.9M4
Q2 2026—0$6.1M5
Q1 2026—0$491K1

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.9×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 Willdan Group, Inc. insiders reported open-market purchases totaling $0, while 3 insiders reported sales totaling $12.5M. 0 of 10 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Sep 16SEC Thomas Donald BrisbinDirector Sell 4,00597,587 held (−4%) $79.01 $316K -4.9% —
Sep 16SEC Thomas Donald BrisbinDirector Sell 90096,687 held (−1%) $80.91 $73K -7.2% —
Sep 9SEC Thomas Donald BrisbinDirector Sell 3,43996,687 held (−3%) $88.19 $303K -14.8% —
Sep 4SEC Thomas Donald BrisbinDirector Sell 58,75796,687 held (−38%) $88.14 $5.2M -14.8% —
May 15SEC Michael A BieberCEO, President Sell 25,429280,772 held (−8%) $90.88 $2.3M -17.3% —
May 15SEC Michael A BieberCEO, President Sell 23,015257,757 held (−8%) $91.95 $2.1M -18.3% —
May 15SEC Michael A BieberCEO, President Sell 7,956249,801 held (−3%) $92.65 $737K -18.9% —
May 15SEC Michael A BieberCEO, President Sell 276249,525 held (−0%) $93.74 $26K -19.9% —
May 14SEC Michael A BieberCEO, President Sell 9,991249,525 held (−4%) $92.65 $926K -18.9% —
Mar 10SEC Steven A CohenDirector Sell 6,00020,849 held (−22%) $81.82 $491K -8.2% —

Insiders at Willdan Group, Inc.

InsiderBoughtSoldLast filingScore
Michael A BieberCEO, President — $6.1M May 15, 2026 —
Thomas Donald BrisbinDirector — $5.9M Sep 16, 2026 —
Steven A CohenDirector — $491K Mar 10, 2026 —

WLDN stock: common questions

Are Willdan Group, Inc. insiders buying WLDN stock?

In the past 12 months, 0 insiders reported open-market purchases of WLDN worth $0.

Are Willdan Group, Inc. insiders selling WLDN stock?

3 insiders reported sales worth $12.5M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is WLDN's 52-week range?

Over the past year WLDN has traded between $66.91 and $134.94. It last closed at $75.12 on Oct 9, 2026.