Willdan Group, Inc.
Total Trades
87
Buys
4
Sells
62
Largest Trade
N/A
Insiders
8
Institutional Funds
210
Inst. Value
$1M+
Activist Filings
20
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| CHEN MICAH | EXECUTIVE VP & GEN… | EXERCISE | $100K–$500K | 10K | $32.79 | Sep 22, 2025 |
| CHEN MICAH | EXECUTIVE VP & GEN… | SELL | $1M+ | 10K | $106.00 | Sep 22, 2025 |
| McGinn Dennis V | Director | SELL | $500K+ | 7K | $106.32 | Sep 22, 2025 |
| Brisbin Thomas Donald | Director | SELL | $500K+ | 5K | $118.15 | Aug 26, 2025 |
| Brisbin Thomas Donald | Director | EXERCISE | $50K–$100K | 5K | $16.27 | Aug 26, 2025 |
| Brisbin Thomas Donald | Director | SELL | $1M+ | 118K | $108.72 | Aug 26, 2025 |
| Brisbin Thomas Donald | Director | SELL | $1M+ | 125K | $104.42 | Aug 25, 2025 |
| EARLY CREIGHTON K | EXECUTIVE VP AND CFO | EXERCISE | $15K–$50K | 5K | $9.08 | May 29, 2025 |
| EARLY CREIGHTON K | EXECUTIVE VP AND CFO | SELL | $100K–$500K | 5K | $53.28 | May 29, 2025 |
| Brisbin Thomas Donald | Director | EXERCISE | $100K–$500K | 22K | $13.91 | May 29, 2025 |
| Brisbin Thomas Donald | Director | SELL | $1M+ | 22K | $52.34 | May 29, 2025 |
| Brisbin Thomas Donald | Director | EXERCISE | $15K–$50K | 2K | $13.91 | May 28, 2025 |
| Brisbin Thomas Donald | Director | SELL | $50K–$100K | 2K | $51.54 | May 28, 2025 |
| Brisbin Thomas Donald | Director | SELL | $100K–$500K | 6K | $52.04 | May 27, 2025 |
| Brisbin Thomas Donald | Director | EXERCISE | $50K–$100K | 6K | $13.91 | May 27, 2025 |
| CHEN MICAH | EXECUTIVE VP & GEN… | EXERCISE | $100K–$500K | 10K | $32.79 | May 21, 2025 |
| CHEN MICAH | EXECUTIVE VP & GEN… | SELL | $500K+ | 10K | $50.50 | May 21, 2025 |
| CHEN MICAH | EXECUTIVE VP & GEN… | SELL | $100K–$500K | 10K | $48.20 | May 20, 2025 |
| CHEN MICAH | EXECUTIVE VP & GEN… | EXERCISE | $100K–$500K | 10K | $32.79 | May 20, 2025 |
| Brisbin Thomas Donald | Director | EXERCISE | $100K–$500K | 20K | $13.91 | May 20, 2025 |
| Brisbin Thomas Donald | Director | SELL | $500K+ | 20K | $48.54 | May 20, 2025 |
| BIEBER MICHAEL A | PRESIDENT AND CEO | EXERCISE | $100K–$500K | 25K | $13.91 | May 20, 2025 |
| BIEBER MICHAEL A | PRESIDENT AND CEO | SELL | $1M+ | 25K | $48.11 | May 20, 2025 |
| Shahidehpour Mohammad | Director | SELL | $50K–$100K | 2K | $39.20 | Mar 13, 2025 |
| BIEBER MICHAEL A | PRESIDENT AND CEO | SELL | $100K–$500K | 11K | $45.67 | Nov 12, 2024 |
| BIEBER MICHAEL A | PRESIDENT AND CEO | EXERCISE | $100K–$500K | 11K | $13.49 | Nov 12, 2024 |
| BIEBER MICHAEL A | PRESIDENT AND CEO | EXERCISE | $15K–$50K | 2K | $13.49 | Nov 8, 2024 |
| BIEBER MICHAEL A | PRESIDENT AND CEO | SELL | $50K–$100K | 2K | $45.86 | Nov 8, 2024 |
| Forager Fund, L.P. | 10% Owner | SELL | $1K–$15K | 460 | $29.28 | Jun 24, 2024 |
| Forager Fund, L.P. | 10% Owner | SELL | $100K–$500K | 12K | $29.64 | Jun 18, 2024 |
| BIEBER MICHAEL A | PRESIDENT AND CEO | SELL | $100K–$500K | 4K | $30.32 | Jun 14, 2024 |
| BIEBER MICHAEL A | PRESIDENT AND CEO | EXERCISE | $50K–$100K | 6K | $13.49 | Jun 14, 2024 |
| BIEBER MICHAEL A | PRESIDENT AND CEO | SELL | $100K–$500K | 9K | $30.61 | Jun 13, 2024 |
| BIEBER MICHAEL A | PRESIDENT AND CEO | EXERCISE | $100K–$500K | 12K | $13.49 | Jun 13, 2024 |
| Forager Fund, L.P. | 10% Owner | SELL | $500K+ | 19K | $30.70 | Jun 13, 2024 |
| Shahidehpour Mohammad | Director | SELL | $50K–$100K | 3K | $30.83 | Jun 12, 2024 |
| BIEBER MICHAEL A | PRESIDENT AND CEO | SELL | $100K–$500K | 3K | $31.03 | Jun 12, 2024 |
| BIEBER MICHAEL A | PRESIDENT AND CEO | EXERCISE | $50K–$100K | 5K | $13.49 | Jun 12, 2024 |
| Forager Fund, L.P. | 10% Owner | SELL | $1M+ | 35K | $31.53 | Jun 10, 2024 |
| Brisbin Thomas Donald | Director | SELL | $500K+ | 20K | $32.01 | May 30, 2024 |
| Brisbin Thomas Donald | Director | EXERCISE | $100K–$500K | 20K | $7.13 | May 30, 2024 |
| Brisbin Thomas Donald | Director | SELL | $1K–$15K | 397 | $31.90 | May 28, 2024 |
| Brisbin Thomas Donald | Director | EXERCISE | $1K–$15K | 397 | $7.13 | May 28, 2024 |
| Brisbin Thomas Donald | Director | SELL | $100K–$500K | 8K | $32.15 | May 23, 2024 |
| Brisbin Thomas Donald | Director | EXERCISE | $50K–$100K | 8K | $7.13 | May 23, 2024 |
| Forager Fund, L.P. | 10% Owner | SELL | $1M+ | 157K | $30.13 | May 3, 2024 |
| Forager Fund, L.P. | 10% Owner | SELL | $500K+ | 33K | $29.44 | Mar 28, 2024 |
| EARLY CREIGHTON K | VICE PRESIDENT AND… | SELL | $1K–$15K | 272 | $24.36 | Aug 28, 2023 |
| CHEN MICAH | GENERAL COUNSEL | SELL | $1K–$15K | 258 | $24.36 | Aug 28, 2023 |
| BIEBER MICHAEL A | PRESIDENT | SELL | $15K–$50K | 1K | $24.36 | Aug 28, 2023 |
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 |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Oct 31, 2025
7.3%
1.1M shares
SC 13G/A · Apr 17, 2025
6.3%
914K shares
SC 13G/A · Feb 5, 2025
8.0%
1.1M shares
SC 13G/A · Jan 8, 2025
0.0%
0 shares
SC 13G/A · Nov 12, 2024
5.0%
702K shares
SC 13G/A · Nov 7, 2024
3.4%
475K shares
SC 13G/A · Nov 4, 2024
5.0%
702K shares
</div> </div> <div><br> </div> <div>Amundi</div> <div><br> </div> <div>2.
SC 13G/A · Oct 3, 2024
6.1%
847K shares
SC 13G · Jul 15, 2024
9.1%
1.3M shares
SC 13D/A · Jul 11, 2024
9.1%
1.3M shares
SC 13D/A · May 3, 2024
11.9%
1.6M shares
SC 13G/A · Jan 29, 2024
6.5%
889K shares
SC 13G/A · Jan 24, 2024
3.5%
478K shares
SC 13D · Jun 6, 2023
11.3%
1.5M shares
SC 13G/A · Feb 15, 2023
7.4%
945K shares
SC 13G/A · Feb 1, 2023
5.7%
760K shares
SC 13G/A · Jan 23, 2023
560.0%
745K shares
SC 13G/A · Feb 14, 2022
7.4%
945K shares
Rice Hall James & Associates, LLC
SC 13G/A · Feb 14, 2022
4.3%
544K shares
SC 13G/A · Jan 10, 2022
0.1%
13K shares