| $348M | ||
| $250M | ||
| $109M | ||
| $56M | ||
| $40M | ||
| $29M |
Buys | $0 | 0 | 0 |
Sells | $52,746,304 | 22 | 100 |
| Shahidehpour Mohammad | director | 0 | $0 | 1 | $89,102 | $-89,102 |
| REDER WANDA KAY | director | 0 | $0 | 1 | $101,541 | $-101,541 |
| Cohen Steven A | director | 0 | $0 | 1 | $290,850 | $-290,850 |
| Downes Cynthia | director | 0 | $0 | 1 | $302,355 | $-302,355 |
| McGinn Dennis V | director | 0 | $0 | 1 | $775,923 | $-775,923 |
| EARLY CREIGHTON K | EXECUTIVE VP AND CFO | 0 | $0 | 2 | $1.17M | $-1.17M |
| BIEBER MICHAEL A | PRESIDENT AND CEO | 0 | $0 | 1 | $1.2M | $-1.2M |
| CHEN MICAH | EXECUTIVE VP & GENERAL COUNSEL | 0 | $0 | 3 | $2.05M | $-2.05M |
| Brisbin Thomas Donald | director | 0 | $0 | 11 | $46.77M | $-46.77M |
Willdan Group, Inc., together with its subsidiaries, provides professional, technical and consulting services primarily in the United States. It operates in two segments, Energy, and Engineering and Consulting. The Energy segment offers comprehensive audit and surveys, program design, master planning, demand reduction, grid optimization, benchmarking analyses, design engineering, construction management, performance contracting, installation, alternative financing, and measurement and verification services, as well as software and data analytics. The Engineering and Consulting segment provides building and safety, city engineering and code enforcement, development plan review and inspection, disaster recovery, geotechnical and earthquake engineering, planning and surveying, contract staff support, program and construction management, structural engineering, transportation and traffic engineering, and water resources services. This segment also offers district administration, financial consulting, and federal compliance services; and communications and technology services. It serves public and governmental agencies, including cities, counties, redevelopment agencies, water districts, school districts, and universities; investor and municipal owned energy utilities; state and federal agencies; and commercial and industrial firms, as well as various other special districts and agencies. The company was founded in 1964 and is headquartered in Anaheim, California.
Over the last 12 months, insiders at Willdan Group, Inc. have bought $0 and sold $52.75M worth of Willdan Group, Inc. stock.
On average, over the past 5 years, insiders at Willdan Group, Inc. have bought $5.11M and sold $19.27M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 385,537 shares for transaction amount of $7.75M was made by Forager Fund, L.P. (10 percent owner) on 2023‑08‑03.
| 2025-09-18 | Sale | CHEN MICAH | EXECUTIVE VP & GENERAL COUNSEL | 10,000 0.0684% | $106.00 | $1.06M | -2.35% | |
| 2025-09-18 | Sale | McGinn Dennis V | director | 7,298 0.05% | $106.32 | $775,923 | -2.35% | |
| 2025-08-25 | Sale | Brisbin Thomas Donald | director | 5,182 0.0376% | $118.15 | $612,253 | -11.03% | |
| 2025-08-22 | Sale | Brisbin Thomas Donald | director | 10,615 0.0681% | $104.58 | $1.11M | -7.07% | |
| 2025-08-22 | Sale | Brisbin Thomas Donald | director | 15,525 0.0999% | $104.83 | $1.63M | -7.07% | |
| 2025-08-22 | Sale | Brisbin Thomas Donald | director | 117,595 0.7846% | $108.72 | $12.78M | -7.07% | |
| 2025-08-21 | Sale | Brisbin Thomas Donald | director | 125,000 0.8375% | $104.42 | $13.05M | -2.77% | |
| 2025-08-20 | Sale | Brisbin Thomas Donald | director | 7,405 0.051% | $104.19 | $771,527 | +0.23% | |
| 2025-08-18 | Sale | Brisbin Thomas Donald | director | 130,082 0.8883% | $109.69 | $14.27M | -5.58% | |
| 2025-08-15 | Sale | Downes Cynthia | director | 2,763 0.0182% | $109.43 | $302,355 | -8.41% | |
| 2025-08-14 | Sale | REDER WANDA KAY | director | 850 0.0058% | $119.46 | $101,541 | -13.97% | |
| 2025-08-13 | Sale | EARLY CREIGHTON K | EXECUTIVE VP AND CFO | 7,764 0.0521% | $116.54 | $904,817 | -12.47% | |
| 2025-08-12 | Sale | Cohen Steven A | director | 2,500 0.0178% | $116.34 | $290,850 | -12.66% | |
| 2025-05-28 | Sale | EARLY CREIGHTON K | EXECUTIVE VP AND CFO | 5,000 0.034% | $53.28 | $266,400 | +80.82% | |
| 2025-05-27 | Sale | Brisbin Thomas Donald | director | 22,459 0.1508% | $52.34 | $1.18M | +81.57% | |
| 2025-05-23 | Sale | Brisbin Thomas Donald | director | 1,626 0.0112% | $51.54 | $83,804 | +89.74% | |
| 2025-05-22 | Sale | Brisbin Thomas Donald | director | 5,915 0.0413% | $52.04 | $307,817 | +89.97% | |
| 2025-05-19 | Sale | CHEN MICAH | EXECUTIVE VP & GENERAL COUNSEL | 10,000 0.069% | $50.50 | $505,000 | +92.49% | |
| 2025-05-16 | Sale | Brisbin Thomas Donald | director | 20,000 0.1377% | $48.54 | $970,800 | +99.69% | |
| 2025-05-16 | Sale | BIEBER MICHAEL A | PRESIDENT AND CEO | 25,000 0.1706% | $48.11 | $1.2M | +99.69% |
| BIEBER MICHAEL A | PRESIDENT AND CEO | 200981 1.3626% | $16.86M | 1 | 32 | <0.0001% |
| EARLY CREIGHTON K | EXECUTIVE VP AND CFO | 72071 0.4886% | $6.04M | 0 | 16 | |
| Brisbin Thomas Donald | director | 70696 0.4793% | $5.93M | 4 | 52 | |
| CHEN MICAH | EXECUTIVE VP & GENERAL COUNSEL | 40423 0.2741% | $3.39M | 0 | 23 | |
| Cohen Steven A | director | 26849 0.182% | $2.25M | 0 | 1 | |
| Shahidehpour Mohammad | director | 12767 0.0866% | $1.07M | 0 | 4 | |
| McGinn Dennis V | director | 11330 0.0768% | $950,247.10 | 0 | 2 | |
| REDER WANDA KAY | director | 10676 0.0724% | $895,396.12 | 0 | 1 | |
| Downes Cynthia | director | 8909 0.0604% | $747,197.83 | 0 | 1 | |
| Forager Fund, L.P. | 10 percent owner | 1255765 8.5137% | $105.32M | 5 | 27 | +7.12% |
| Wedbush Opportunity Capital, LLC | 10 percent owner | 728598 4.9397% | $61.11M | 0 | 7 | |
| PHRONESIS PARTNERS L P | 10 percent owner | 699608 4.7431% | $58.68M | 14 | 10 | <0.0001% |
| Heil Linda L | director | 644417 4.369% | $54.05M | 0 | 37 | |
| Lenocker W Tracy | director | 135000 0.9153% | $11.32M | 7 | 8 | <0.0001% |
| Tripepi Frank | SVP, Business Development | 108000 0.7322% | $9.06M | 0 | 3 | |
| RENKEN KEITH | director | 85400 0.579% | $7.16M | 23 | 0 | +43.59% |
| McEachern Douglas James | director | 78543 0.5325% | $6.59M | 37 | 0 | +37.94% |
| Chow Daniel | Chief Operating Officer | 55233 0.3745% | $4.63M | 0 | 9 | |
| Tipermas Marc | President of National Programs | 42500 0.2881% | $3.56M | 1 | 21 | <0.0001% |
| Holdsworth Raymond W Jr | director | 35122 0.2381% | $2.95M | 15 | 0 | +45.39% |
| McCamant Mallory | Chief Operations Officer | 25000 0.1695% | $2.1M | 6 | 0 | <0.0001% |
| WHITELAW PAUL MILTON | SVP, BUSINESS DEVELOPMENT | 24305 0.1648% | $2.04M | 0 | 17 | |
| TOUPS JOHN M | director | 24000 0.1627% | $2.01M | 10 | 0 | |
| Shelton Wayne | director | 20000 0.1356% | $1.68M | 3 | 0 | |
| McLaughlin Stacy B. | Chief Financial Officer | 19411 0.1316% | $1.63M | 0 | 9 | |
| Procell Adam C | CHIEF STRATEGY OFFICER | 17490 0.1186% | $1.47M | 0 | 6 | |
| COY DEBRA | director | 8504 0.0577% | $713,230.48 | 1 | 1 | +14.55% |
| Westfall Win | Chairman | 2000 0.0136% | $167,740.00 | 1 | 0 | <0.0001% |
| Smith Ann Rochelle | director | 1000 0.0068% | $83,870.00 | 1 | 0 | <0.0001% |
$23,571,619 | 158 | -3.62% | $1.48B | |
$54,584,357 | 95 | 9.54% | $1.15B | |
$44,603,696 | 84 | 4.82% | $67.18M | |
$68,553,210 | 71 | 40.45% | $1.01B | |
$696,667 | 55 | -19.37% | $60.61M | |
Willdan Group, Inc. (WLDN) | $11,389,125 | 53 | 29.05% | $1.24B |
$5,568,930 | 52 | 20.81% | $7.82B | |
$19,979,299 | 49 | -1.76% | $3.89B | |
$5,380,723 | 42 | 11.83% | $7.06B | |
$1,509,485 | 41 | 53.89% | $535.07M | |
$6,189,813 | 34 | 7.83% | $5.78B | |
$582,660 | 33 | 26.78% | $249.05M | |
$5,768,238 | 28 | 9.67% | $6.44B | |
$11,573,028 | 23 | 17.43% | $317.85M | |
$50,423,393 | 18 | 16.07% | $5.15B | |
$1,188,679 | 15 | 244.42% | $70.95M | |
$13,174,893 | 12 | 0.85% | $361.35M | |
$3,993,326 | 11 | 41.16% | $7.69B | |
$662,257 | 10 | 24.36% | $4.26B |
| Increased Positions | 157 | +58.58% | 2M | +15.54% |
| Decreased Positions | 118 | -44.03% | 1M | -13.06% |
| New Positions | 54 | New | 385,361 | New |
| Sold Out Positions | 42 | Sold Out | 393,173 | Sold Out |
| Total Postitions | 307 | +14.55% | 11M | +2.48% |
| Blackrock, Inc. | $135,790.00 | 8.49% | 1.27M | +102,390 | +8.75% | 2025-09-30 |
| Vanguard Group Inc | $114,688.00 | 7.17% | 1.08M | +229,357 | +27.11% | 2025-09-30 |
| Geode Capital Management, Llc | $36,351.00 | 2.27% | 340,815 | +4,063 | +1.21% | 2025-09-30 |
| Two Sigma Investments, Lp | $32,252.00 | 2.02% | 302,380 | +203,912 | +207.09% | 2025-09-30 |
| State Street Corp | $31,926.00 | 2% | 299,322 | +22,357 | +8.07% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $30,313.00 | 1.9% | 284,201 | -146,244 | -33.98% | 2025-09-30 |
| Divisadero Street Capital Management, Lp | $26,998.00 | 1.69% | 253,121 | -25,834 | -9.26% | 2025-09-30 |
| Qube Research & Technologies Ltd | $21,320.00 | 1.33% | 199,883 | +46,180 | +30.05% | 2025-09-30 |
| Wells Fargo & Company/Mn | $20,987.00 | 1.31% | 196,762 | +47,427 | +31.76% | 2025-09-30 |
| Trexquant Investment Lp | $20,021.00 | 1.25% | 187,709 | +120,787 | +180.49% | 2025-09-30 |