WLDN

Willdan Group, Inc.

Services-Engineering ServicesNasdaqAccelerated filer

Total Trades

Buys

Sells

Largest Trade

N/A

Insiders

Institutional Funds

210

Inst. Value

$1M+

Activist Filings

Insider Trades

Insider	Title	Type	Value	Shares	Price	Date
Brisbin Thomas Donald	CHIEF EXECUTIVE OF…	SELL	$50K–$100K	2K	$24.36	Aug 28, 2023
BIEBER MICHAEL A	PRESIDENT	SELL	$50K–$100K	2K	$23.16	Aug 24, 2023
Brisbin Thomas Donald	CHIEF EXECUTIVE OF…	SELL	$100K–$500K	5K	$23.16	Aug 24, 2023
CHEN MICAH	GENERAL COUNSEL	SELL	$1K–$15K	600	$23.16	Aug 24, 2023
EARLY CREIGHTON K	VICE PRESIDENT AND…	SELL	$1K–$15K	636	$23.16	Aug 24, 2023
Forager Fund, L.P.	10% Owner	SELL	$1M+	386K	$20.11	Aug 7, 2023
Forager Fund, L.P.	10% Owner	BUY	$1M+	386K	$20.11	Aug 7, 2023
Brisbin Thomas Donald	CHIEF EXECUTIVE OF…	SELL	$15K–$50K	3K	$16.39	Mar 15, 2023
BIEBER MICHAEL A	PRESIDENT	SELL	$15K–$50K	3K	$16.39	Mar 15, 2023
CHEN MICAH	GENERAL COUNSEL	SELL	$1K–$15K	765	$16.39	Mar 15, 2023
EARLY CREIGHTON K	VICE PRESIDENT AND…	SELL	$1K–$15K	805	$16.39	Mar 15, 2023
BIEBER MICHAEL A	PRESIDENT	SELL	$15K–$50K	3K	$15.62	Mar 13, 2023
EARLY CREIGHTON K	VICE PRESIDENT AND…	SELL	$1K–$15K	770	$15.62	Mar 13, 2023
Brisbin Thomas Donald	CHIEF EXECUTIVE OF…	SELL	$15K–$50K	2K	$15.62	Mar 13, 2023
CHEN MICAH	GENERAL COUNSEL	SELL	$1K–$15K	730	$15.62	Mar 13, 2023
Brisbin Thomas Donald	CHIEF EXECUTIVE OF…	SELL	$15K–$50K	3K	$17.03	Mar 10, 2023
BIEBER MICHAEL A	PRESIDENT	SELL	$15K–$50K	3K	$17.03	Mar 10, 2023
CHEN MICAH	GENERAL COUNSEL	SELL	$1K–$15K	786	$17.03	Mar 10, 2023
EARLY CREIGHTON K	VICE PRESIDENT AND…	SELL	$1K–$15K	828	$17.03	Mar 10, 2023
Forager Fund, L.P.	10% Owner	BUY	$100K–$500K	11K	$18.23	Jan 30, 2023
Forager Fund, L.P.	10% Owner	BUY	$500K+	52K	$17.92	Jan 26, 2023
EARLY CREIGHTON K	VICE PRESIDENT AND…	SELL	$1K–$15K	653	$16.64	Dec 16, 2022
EARLY CREIGHTON K	VICE PRESIDENT AND…	SELL	$1K–$15K	294	$16.25	Dec 14, 2022
Forager Fund, L.P.	10% Owner	BUY	$1M+	83K	$16.02	Dec 14, 2022
Shahidehpour Mohammad	Director	SELL	$15K–$50K	2K	$20.48	Sep 13, 2022
BIEBER MICHAEL A	PRESIDENT	SELL	$500K+	27K	$27.65	Aug 12, 2022
BIEBER MICHAEL A	PRESIDENT	EXERCISE	$100K–$500K	25K	$9.13	Aug 12, 2022
BIEBER MICHAEL A	PRESIDENT	SELL	$1K–$15K	456	$28.00	Aug 11, 2022
BIEBER MICHAEL A	PRESIDENT	EXERCISE	$1K–$15K	334	$9.13	Aug 11, 2022
McGinn Dennis V	Director	SELL	$50K–$100K	3K	$26.81	Jun 7, 2022
WHITELAW PAUL MILTON	SVP	SELL	$100K–$500K	7K	$28.04	Mar 17, 2022
CHEN MICAH	GENERAL COUNSEL	SELL	$100K–$500K	4K	$28.04	Mar 17, 2022
EARLY CREIGHTON K	VICE PRESIDENT AND…	SELL	$100K–$500K	8K	$28.04	Mar 17, 2022
Brisbin Thomas Donald	CHIEF EXECUTIVE OF…	SELL	$500K+	32K	$28.04	Mar 17, 2022
BIEBER MICHAEL A	PRESIDENT	SELL	$500K+	25K	$28.04	Mar 17, 2022
Brisbin Thomas Donald	CHIEF EXECUTIVE OF…	GRANT	N/A	24K	—	Mar 11, 2022
Brisbin Thomas Donald	CHIEF EXECUTIVE OF…	SELL	$100K–$500K	3K	$31.76	Mar 11, 2022

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Institutional Ownership

13F filings as of Dec 31, 2025 · 210 funds holding

Fund	Shares	Value	Type
VANGUARD GROUP INC	1.1M	$1M+	SH
STATE STREET CORP	306K	$1M+	SH
GEODE CAPITAL MANAGEMENT, LLC	298K	$1M+	SH
DIMENSIONAL FUND ADVISORS LP	266K	$1M+	SH
WASATCH ADVISORS LP	261K	$1M+	SH
FIRST TRUST ADVISORS LP	238K	$1M+	SH
Handelsbanken Fonder AB	200K	$1M+	SH
Swedbank AB	175K	$1M+	SH
Swedbank AB	175K	$1M+	SH
Summit Creek Advisors LLC	169K	$1M+	SH
Allspring Global Investments Holdings, LLC	157K	$1M+	SH
ACADIAN ASSET MANAGEMENT LLC	146K	$1M+	SH
LORD, ABBETT & CO. LLC	146K	$1M+	SH
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	126K	$1M+	SH
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	108K	$1M+	SH
TUDOR INVESTMENT CORP ET AL	89K	$1M+	SH
Asset Management One Co., Ltd.	80K	$1M+	SH
KENNEDY CAPITAL MANAGEMENT LLC	83K	$1M+	SH
ESSEX INVESTMENT MANAGEMENT CO LLC	77K	$1M+	SH
BARD ASSOCIATES INC	73K	$1M+	SH