Figures computed from official regulatory filings — .
Analysttarget 137.5 USD (+87%) · consensus 5/5 · 2 buy · 0 hold · 0 sell
Ownershipinsiders 3.38% · institutions 93.51% · short 13.8% of float
In USD · as of Oct 5, 2026
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Willdan Group, Inc., a technical services company, focuses on the provision of energy and infrastructure solutions in the United States and Canada. The company operates in two segments: Energy, and Engineering and Consulting. The Energy segment offers in-depth energy planning studies, economic analysis, modeling and forecasting software, decarbonization, program design and implementation, energy efficiency, turnkey energy and infrastructure projects, grid modernization, and utility-scale electrical engineering and construction management services. It serves investor-owned and municipal utilities, as well as investors and hyperscalers, and state and local governments. The Engineering and Consulting segment provides municipal and civil engineering, building and safety, code enforcement, fire plan and inspection, city engineering, construction management, design engineering, planning, and financial and municipal advisory services. It serves state and local governments, school districts, and utility districts. The company was founded in 1964 and is headquartered in Anaheim, California.
Market information source · Oct 5, 2026
SEC company identity · Oct 5, 2026
Open-market timeline · full history
393 buys482 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Brisbin Thomas Donaldtrack record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) |
| Brisbin Thomas Donaldtrack record | Exercise | $368.3K | SEC |
| Brisbin Thomas Donaldtrack record | Sell | $316.4K | SEC |
| Brisbin Thomas Donaldtrack record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Brisbin Thomas Donaldtrack record | Sell | $72.8K | SEC |
| Brisbin Thomas Donaldtrack record | Exercise | $79.8K | SEC |
| Brisbin Thomas Donaldtrack record | Exercise | $56K | SEC |
| Brisbin Thomas Donaldtrack record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Brisbin Thomas Donaldtrack record | Sell | $303.3K | SEC |
| Brisbin Thomas Donaldtrack record | Exercise | $956K | Unusual size | SEC |
| Brisbin Thomas Donaldtrack record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Brisbin Thomas Donaldtrack record | Sell | $5.2M | SEC |
| Cohen Steven A | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Shahidehpour Mohammad | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| McGinn Dennis V | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Brisbin Thomas Donaldtrack record | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| REDER WANDA KAY | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Downes Cynthia | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| BIEBER MICHAEL A | Sell | $2.3M | Unusual size | SEC |
| BIEBER MICHAEL A | Sell | $2.1M | Unusual size | SEC |
| BIEBER MICHAEL A | Exercise | $469.8K | Unusual size | SEC |
| BIEBER MICHAEL A | Sell | $737.1K | SEC |
| BIEBER MICHAEL A | Exercise | $650.9K | Unusual size | SEC |
| BIEBER MICHAEL A | Sell | $25.9K | SEC |
| BIEBER MICHAEL A | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |