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Willdan Group, Inc.

WLDN
Exchange
Nasdaq
Industry
Services-Engineering Services
SEC CIK
0001370450

In the last 90 days, Willdan Group, Inc. insiders filed 0 open-market purchases and 3 sales; 245 institutions reported holding it in 13F filings for Q2 2026, worth $1.07B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Willdan Group, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
3 filings
1 insider, $5.87M in total
Insiders trading
1
Net value
−$5.87M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Willdan Group, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Willdan Group, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Brisbin Thomas DonaldDirector119,322Sep 17, 20266
Downes CynthiaDirector10,150Jun 18, 20261
Cohen Steven ADirector22,090Jun 18, 20262
Shahidehpour MohammadDirector15,789Jun 18, 20261
McGinn Dennis VDirector12,571Jun 18, 20261
Reder Wanda KayDirector11,917Jun 18, 20261
Bieber Michael APRESIDENT AND CEO249,525May 15, 20269
Early Creighton KEXECUTIVE VP AND CFO78,664Mar 26, 20267
Chen MicahEXECUTIVE VP & GENERAL COUNSEL50,050Mar 26, 20267
Forager Fund, L.P.10% Owner1,255,765Jul 11, 20240
Kissel Edward Urban10% Owner1,255,765Jul 11, 20240
MacArthur Robert Symmes10% Owner1,255,765Jul 11, 20240
Renken KeithDirector61,320Jun 9, 20230
Renken Keith WDirector57,735Jun 10, 20220
Whitelaw Paul MiltonSVP, BUSINESS DEVELOPMENT25,533Mar 30, 20220
Procell Adam CCHIEF STRATEGY OFFICER17,490Sep 9, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 16, 2026 (view filing)5:32 PM ETSep 151 dayBrisbin Thomas DonaldDirectorSSale−4.91K$79.36−$389.3K−4.8%96.7K after2 lots
Sep 9, 2026 (view filing)6:01 PM ETSep 81 dayBrisbin Thomas DonaldDirectorSSale−3.44K$88.19−$303.3K−3.4%96.7K after
Sep 4, 2026 (view filing)5:41 PM ETSep 31 dayBrisbin Thomas DonaldDirectorSSale−58.8K$88.14−$5.18M−37.8%96.7K after
May 15, 2026 (view filing)May 141 dayBieber Michael APRESIDENT AND CEOSSale−56.7K$91.58−$5.19M−18.5%249.5K after4 lots
May 14, 2026 (view filing)May 131 dayBieber Michael APRESIDENT AND CEOSSale−9.99K$92.65−$925.7K−3.8%249.5K after
Mar 10, 2026 (view filing)Mar 64 daysCohen Steven ADirectorSSale−6.00K$81.82−$490.9K−22.3%20.8K after
Sep 22, 2025 (view filing)Sep 184 daysChen MicahEXECUTIVE VP & GENERAL COUNSELSSale−10.0K$106.00−$1.06M−19.8%40.4K after
Sep 22, 2025 (view filing)Sep 184 daysMcGinn Dennis VDirectorSSale−7.30K$106.32−$775.9K−39.2%11.3K after
Aug 26, 2025 (view filing)Aug 251 dayBrisbin Thomas DonaldDirectorSSale−5.18K$118.15−$612.3K−6.8%70.7K after
Aug 26, 2025 (view filing)Aug 224 daysBrisbin Thomas DonaldDirectorSSale−117.6K$108.72−$12.8M−62.5%70.7K after7 lots
Aug 25, 2025 (view filing)Aug 214 daysBrisbin Thomas DonaldDirectorSSale−125.0K$104.42−$13.1M−39.9%188.3K after6 lots
Aug 21, 2025 (view filing)Aug 201 dayBrisbin Thomas DonaldDirectorSSale−7.41K$104.19−$771.5K−2.3%313.3K after
Aug 20, 2025 (view filing)Aug 182 daysBrisbin Thomas DonaldDirectorSSale−130.1K$109.69−$14.3M−28.9%320.7K after6 lots
Aug 18, 2025 (view filing)Aug 153 daysDownes CynthiaDirectorSSale−2.76K$109.43−$302.4K−23.7%8.91K after
Aug 18, 2025 (view filing)Aug 144 daysReder Wanda KayDirectorSSale−850$119.46−$101.5K−7.4%10.7K after
Aug 15, 2025 (view filing)Aug 132 daysEarly Creighton KEXECUTIVE VP AND CFOSSale−7.76K$116.54−$904.8K−9.7%72.1K after
Aug 14, 2025 (view filing)Aug 122 daysCohen Steven ADirectorSSale−2.50K$116.34−$290.9K−8.5%26.8K after
May 29, 2025 (view filing)May 281 dayEarly Creighton KEXECUTIVE VP AND CFOSSale−5.00K$53.28−$266.4K−6.5%72.1K after
May 29, 2025 (view filing)May 272 daysBrisbin Thomas DonaldDirectorSSale−22.5K$52.34−$1.18M−5.0%422.5K after
May 28, 2025 (view filing)May 235 daysBrisbin Thomas DonaldDirectorSSale−1.63K$51.54−$83.8K−0.4%422.5K after
May 27, 2025 (view filing)May 225 daysBrisbin Thomas DonaldDirectorSSale−5.92K$52.04−$307.8K−1.4%422.5K after
May 21, 2025 (view filing)May 192 daysChen MicahEXECUTIVE VP & GENERAL COUNSELSSale−10.0K$50.50−$505.0K−20.6%38.5K after
May 20, 2025 (view filing)May 164 daysChen MicahEXECUTIVE VP & GENERAL COUNSELSSale−10.0K$48.20−$482.0K−20.6%38.5K after
May 20, 2025 (view filing)May 164 daysBrisbin Thomas DonaldDirectorSSale−20.0K$48.54−$970.8K−4.5%422.5K after
May 20, 2025 (view filing)May 164 daysBieber Michael APRESIDENT AND CEOSSale−25.0K$48.11−$1.20M−11.1%201.0K after
Mar 13, 2025 (view filing)Mar 121 dayShahidehpour MohammadDirectorSSale−2.27K$39.20−$89.1K−15.1%12.8K after
Dec 16, 2024 (view filing)Nov 21-2525 daysLateBrisbin Thomas DonaldDirectorSSale−23.1K$42.49−$981.6K−5.4%406.7K after3 lots
Dec 10, 2024 (view filing)Dec 6-94 daysEarly Creighton KEXECUTIVE VP AND CFOSSale−4.58K$43.15−$197.8K−6.2%69.1K after2 lots
Nov 12, 2024 (view filing)Nov 111 dayBieber Michael APRESIDENT AND CEOSSale−10.9K$45.67−$496.3K−5.9%173.7K after
Nov 8, 2024 (view filing)Nov 62 daysBieber Michael APRESIDENT AND CEOSSale−1.80K$45.86−$82.7K−1.0%173.7K after
Aug 14, 2024 (view filing)Aug 122 daysBieber Michael APRESIDENT AND CEOSSale−750$36.46−$27.3K−0.4%169.7K after
Aug 12, 2024 (view filing)Aug 8-94 daysBieber Michael APRESIDENT AND CEOSSale−19.5K$36.40−$709.1K−10.3%169.7K after2 lots
Aug 8, 2024 (view filing)Aug 71 dayEarly Creighton KEXECUTIVE VP AND CFOSSale−10.0K$36.45−$364.5K−12.8%68.3K after2 lots
Aug 8, 2024 (view filing)Aug 6-72 daysBieber Michael APRESIDENT AND CEOSSale−22.3K$36.59−$817.7K−11.6%169.7K after2 lots
Jul 11, 2024 (view filing)2:31 PM ETJul 92 daysForager Fund, L.P. and 2 others10% OwnerSSaleCommon Stock, par value $0.01 per share−188.2K$29.93−$5.63M−13.0%1.26M after
Jun 25, 2024 (view filing)2:49 PM ETJun 205 daysForager Fund, L.P. and 2 others10% OwnerSSaleCommon Stock, par value $0.01 per share−460$29.28−$13.5K0.0%1.44M afterAmended
Jun 18, 2024 (view filing)4:53 PM ETJun 14-184 daysForager Fund, L.P. and 2 others10% OwnerSSaleCommon Stock, par value $0.01 per share−12.3K$29.64−$365.7K−0.8%1.44M after3 lots
Jun 14, 2024 (view filing)Jun 131 dayBieber Michael APRESIDENT AND CEOSSale−4.46K$30.32−$135.2K−2.6%169.0K after
Jun 13, 2024 (view filing)4:51 PM ETJun 11-132 daysForager Fund, L.P. and 2 others10% OwnerSSaleCommon Stock, par value $0.01 per share−19.0K$30.70−$584.6K−1.3%1.46M after3 lots
Jun 13, 2024 (view filing)Jun 11-122 daysBieber Michael APRESIDENT AND CEOSSale−8.86K$30.61−$271.2K−5.0%167.5K after2 lots
Jun 12, 2024 (view filing)Jun 102 daysShahidehpour MohammadDirectorSSale−3.00K$30.83−$92.5K−19.0%12.8K after
Jun 12, 2024 (view filing)Jun 102 daysBieber Michael APRESIDENT AND CEOSSale−3.33K$31.03−$103.4K−2.0%164.4K after
Jun 10, 2024 (view filing)4:48 PM ETJun 6-104 daysForager Fund, L.P. and 2 others10% OwnerSSaleCommon Stock, par value $0.01 per share−34.6K$31.53−$1.09M−2.3%1.48M after3 lots
May 30, 2024 (view filing)May 28-292 daysBrisbin Thomas DonaldDirectorSSale−19.8K$32.01−$634.4K−4.6%413.9K after2 lots
May 28, 2024 (view filing)May 244 daysBrisbin Thomas DonaldDirectorSSale−397$31.90−$12.7K−0.1%413.9K after
May 23, 2024 (view filing)May 21-222 daysBrisbin Thomas DonaldDirectorSSale−8.01K$32.15−$257.5K−1.9%413.9K after2 lots
May 21, 2024 (view filing)May 201 dayBrisbin Thomas DonaldDirectorSSale−14.4K$32.06−$462.5K−3.4%413.9K after
May 20, 2024 (view filing)May 164 daysBrisbin Thomas DonaldDirectorSSale−7.35K$32.01−$235.2K−1.7%413.9K after
May 16, 2024 (view filing)May 14-162 daysForager Fund, L.P.10% OwnerSSaleCommon Stock, par value $0.01 per share−12.5K$32.30−$402.6K−0.8%1.51M after3 lots
May 13, 2024 (view filing)4:58 PM ETMay 9-134 daysForager Fund, L.P. and 2 others10% OwnerSSaleCommon Stock, par value $0.01 per share−90.3K$33.48−$3.02M−5.6%1.52M after6 lots