WLDN

WLDN · Willdan Group Inc. Common Stock

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September 25, 2026

Willdan Group to Acquire Mantis Innovation for $285M. Willdan Group has agreed to acquire Mantis Innovation for $285 million in cash. This deal is expected to strengthen the company's position in energy management and infrastructure services. Analysts maintain a positive outlook, with Wedbush reiterating an Outperform rating and a $130 price target.

this person other insiders at WLDN

Insiders & Stakes

Forager Fund, L.P.
10% Owner
1,255,765
Shares held
BIEBER MICHAEL A
PRESIDENT
249,525
Shares held
Brisbin Thomas Donald
CHIEF EXECUTIVE OFFICER
119,322
Shares held
EARLY CREIGHTON K
VICE PRESIDENT AND CFO
78,664
Shares held
RENKEN KEITH61,320
Shares held
RENKEN KEITH W57,735
Shares held
CHEN MICAH
GENERAL COUNSEL
50,050
Shares held
WHITELAW PAUL MILTON
SVP, BUSINESS DEVELOPMENT
25,533
Shares held
Cohen Steven A22,090
Shares held
Procell Adam C
CHIEF STRATEGY OFFICER
17,490
Shares held
Shahidehpour Mohammad15,789
Shares held
McGinn Dennis V12,571
Shares held
REDER WANDA KAY11,917
Shares held
Downes Cynthia10,150
Shares held

Transaction History

Brisbin Thomas Donald▲ Buy$368K
Brisbin Thomas Donald▲ Buy$80K
Brisbin Thomas Donald▼ Sell$316K
Brisbin Thomas Donald▼ Sell$73K
Brisbin Thomas Donald▲ Buy$56K
Brisbin Thomas Donald▼ Sell$303K
Brisbin Thomas Donald▲ Buy$956K
Brisbin Thomas Donald▼ Sell$5.2M
Cohen Steven A▲ Buy$0
Downes Cynthia▲ Buy$0
REDER WANDA KAY▲ Buy$0
McGinn Dennis V▲ Buy$0
Brisbin Thomas Donald▲ Buy$0
Shahidehpour Mohammad▲ Buy$0
BIEBER MICHAEL A▲ Buy$470K
BIEBER MICHAEL A▲ Buy$651K
BIEBER MICHAEL A▼ Sell$26K
BIEBER MICHAEL A▼ Sell$2.3M
BIEBER MICHAEL A▼ Sell$2.1M
BIEBER MICHAEL A▼ Sell$737K
BIEBER MICHAEL A▲ Buy$163K
BIEBER MICHAEL A▼ Sell$926K
CHEN MICAH▼ Sell$137K
BIEBER MICHAEL A▼ Sell$534K
EARLY CREIGHTON K▼ Sell$177K
EARLY CREIGHTON K▲ Buy$0
BIEBER MICHAEL A▲ Buy$0
CHEN MICAH▲ Buy$0
CHEN MICAH▼ Sell$46K
BIEBER MICHAEL A▼ Sell$180K
EARLY CREIGHTON K▼ Sell$60K
EARLY CREIGHTON K▼ Sell$68K
BIEBER MICHAEL A▼ Sell$206K
CHEN MICAH▼ Sell$53K
EARLY CREIGHTON K▼ Sell$185K
CHEN MICAH▼ Sell$144K
BIEBER MICHAEL A▼ Sell$557K
EARLY CREIGHTON K▲ Buy$0
BIEBER MICHAEL A▲ Buy$0
CHEN MICAH▲ Buy$0
CHEN MICAH▼ Sell$146K
EARLY CREIGHTON K▼ Sell$188K
EARLY CREIGHTON K▲ Buy$0
BIEBER MICHAEL A▲ Buy$0
CHEN MICAH▲ Buy$0
BIEBER MICHAEL A▼ Sell$646K
Brisbin Thomas Donald▲ Buy$0
BIEBER MICHAEL A▼ Sell$151K
CHEN MICAH▼ Sell$34K
EARLY CREIGHTON K▼ Sell$357K
Cohen Steven A▼ Sell$491K
CHEN MICAH▲ Buy$0
EARLY CREIGHTON K▲ Buy$0
BIEBER MICHAEL A▲ Buy$0
CHEN MICAH▲ Buy$328K
McGinn Dennis V▼ Sell$776K
CHEN MICAH▼ Sell$1.1M
Brisbin Thomas Donald▲ Buy$84K
Brisbin Thomas Donald▼ Sell$612K
Brisbin Thomas Donald▼ Sell$517K
Brisbin Thomas Donald▼ Sell$1.1M
Brisbin Thomas Donald▼ Sell$802K
Brisbin Thomas Donald▼ Sell$966K
Brisbin Thomas Donald▼ Sell$3.6M
Brisbin Thomas Donald▼ Sell$3.0M
Brisbin Thomas Donald▼ Sell$2.7M
Brisbin Thomas Donald▼ Sell$1.8M
Brisbin Thomas Donald▼ Sell$11K
Brisbin Thomas Donald▼ Sell$713K
Brisbin Thomas Donald▼ Sell$3.5M
Brisbin Thomas Donald▼ Sell$3.5M
Brisbin Thomas Donald▼ Sell$3.6M
Brisbin Thomas Donald▼ Sell$772K
BIEBER MICHAEL A▼ Sell$743K
CHEN MICAH▲ Buy$0
CHEN MICAH▼ Sell$131K
Brisbin Thomas Donald▲ Buy$0
Brisbin Thomas Donald▲ Buy$83K
Brisbin Thomas Donald▼ Sell$537K
Brisbin Thomas Donald▼ Sell$3.6M
Brisbin Thomas Donald▼ Sell$2.9M
Brisbin Thomas Donald▼ Sell$801K
EARLY CREIGHTON K▼ Sell$161K
BIEBER MICHAEL A▲ Buy$0
EARLY CREIGHTON K▲ Buy$0
Brisbin Thomas Donald▼ Sell$6.4M
Brisbin Thomas Donald▼ Sell$34K
Downes Cynthia▼ Sell$302K
REDER WANDA KAY▼ Sell$102K
EARLY CREIGHTON K▲ Buy$70K
EARLY CREIGHTON K▼ Sell$905K
Cohen Steven A▼ Sell$291K
Brisbin Thomas Donald▲ Buy$0
Shahidehpour Mohammad▲ Buy$0
Downes Cynthia▲ Buy$0
Cohen Steven A▲ Buy$0
McGinn Dennis V▲ Buy$0
REDER WANDA KAY▲ Buy$0
EARLY CREIGHTON K▲ Buy$45K
EARLY CREIGHTON K▼ Sell$266K
Brisbin Thomas Donald▲ Buy$312K
Brisbin Thomas Donald▼ Sell$1.2M
Brisbin Thomas Donald▲ Buy$23K
Brisbin Thomas Donald▼ Sell$84K
Brisbin Thomas Donald▲ Buy$82K
Brisbin Thomas Donald▼ Sell$308K
CHEN MICAH▲ Buy$328K
CHEN MICAH▼ Sell$505K
CHEN MICAH▲ Buy$328K
Brisbin Thomas Donald▲ Buy$278K
Brisbin Thomas Donald▼ Sell$971K
CHEN MICAH▼ Sell$482K
BIEBER MICHAEL A▲ Buy$348K
BIEBER MICHAEL A▼ Sell$1.2M
CHEN MICAH▲ Buy$0
CHEN MICAH▼ Sell$70K
BIEBER MICHAEL A▲ Buy$0
BIEBER MICHAEL A▼ Sell$351K
EARLY CREIGHTON K▲ Buy$0
EARLY CREIGHTON K▼ Sell$87K
EARLY CREIGHTON K▼ Sell$32K
CHEN MICAH▼ Sell$26K
BIEBER MICHAEL A▼ Sell$132K
EARLY CREIGHTON K▲ Buy$0
CHEN MICAH▲ Buy$0
BIEBER MICHAEL A▲ Buy$0
Shahidehpour Mohammad▼ Sell$89K
BIEBER MICHAEL A▼ Sell$251K
CHEN MICAH▼ Sell$48K
EARLY CREIGHTON K▲ Buy$0
EARLY CREIGHTON K▼ Sell$54K
Brisbin Thomas Donald▲ Buy$0
CHEN MICAH▲ Buy$0
BIEBER MICHAEL A▲ Buy$0
BIEBER MICHAEL A▼ Sell$102K
EARLY CREIGHTON K▼ Sell$177K
CHEN MICAH▼ Sell$19K
EARLY CREIGHTON K▲ Buy$39K
EARLY CREIGHTON K▼ Sell$188K
EARLY CREIGHTON K▲ Buy$2K
EARLY CREIGHTON K▼ Sell$10K
Brisbin Thomas Donald▼ Sell$335K
Brisbin Thomas Donald▼ Sell$326K
Brisbin Thomas Donald▼ Sell$321K
BIEBER MICHAEL A▼ Sell$496K
BIEBER MICHAEL A▲ Buy$147K
BIEBER MICHAEL A▲ Buy$24K
BIEBER MICHAEL A▼ Sell$83K
EARLY CREIGHTON K▼ Sell$35K
CHEN MICAH▼ Sell$28K
CHEN MICAH▲ Buy$0
EARLY CREIGHTON K▲ Buy$0
Brisbin Thomas Donald▲ Buy$0
BIEBER MICHAEL A▲ Buy$0
BIEBER MICHAEL A▼ Sell$161K
BIEBER MICHAEL A▲ Buy$10K
BIEBER MICHAEL A▼ Sell$27K
BIEBER MICHAEL A▲ Buy$124K
BIEBER MICHAEL A▼ Sell$335K
BIEBER MICHAEL A▲ Buy$139K
BIEBER MICHAEL A▼ Sell$374K
EARLY CREIGHTON K▲ Buy$91K
EARLY CREIGHTON K▼ Sell$357K
EARLY CREIGHTON K▼ Sell$7K
BIEBER MICHAEL A▲ Buy$140K
BIEBER MICHAEL A▼ Sell$379K
BIEBER MICHAEL A▲ Buy$162K
BIEBER MICHAEL A▼ Sell$439K
Forager Fund, L.P.▼ Sell$5.6M
Forager Fund, L.P.▼ Sell$13K
Forager Fund, L.P.▼ Sell$149K
Forager Fund, L.P.▼ Sell$195K
Forager Fund, L.P.▼ Sell$21K
BIEBER MICHAEL A▲ Buy$81K
BIEBER MICHAEL A▼ Sell$135K
Forager Fund, L.P.▼ Sell$34K
BIEBER MICHAEL A▼ Sell$136K
Forager Fund, L.P.▼ Sell$249K
Cohen Steven A▲ Buy$0
BIEBER MICHAEL A▲ Buy$81K
Shahidehpour Mohammad▲ Buy$0
Brisbin Thomas Donald▲ Buy$0
Downes Cynthia▲ Buy$0
McGinn Dennis V▲ Buy$0
REDER WANDA KAY▲ Buy$0
Forager Fund, L.P.▼ Sell$302K
BIEBER MICHAEL A▲ Buy$81K
BIEBER MICHAEL A▼ Sell$135K
Shahidehpour Mohammad▼ Sell$92K
BIEBER MICHAEL A▲ Buy$61K
BIEBER MICHAEL A▼ Sell$103K
Forager Fund, L.P.▼ Sell$341K
Forager Fund, L.P.▼ Sell$338K
Forager Fund, L.P.▼ Sell$411K
Brisbin Thomas Donald▼ Sell$49K
Brisbin Thomas Donald▲ Buy$11K
Brisbin Thomas Donald▲ Buy$130K
Brisbin Thomas Donald▼ Sell$585K
Brisbin Thomas Donald▲ Buy$3K
Brisbin Thomas Donald▼ Sell$13K

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