🕵️ Willdan Group, Inc. ($WLDN)
SEC insider & ownership activity, last 12 months · CIK 1370450 · every row links its SEC filing
Over the last 12 months insiders sold $14.3M with no open-market buying against it. Michael Bieber sold $6.1M (May). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 5 sellers, $14.3M (12 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Michael Bieber | 0 | – | 5 | $6.1M | May 14, 2026 |
| Brisbin Thomas Donald | 0 | – | 4 | $5.9M | Sep 15, 2026 |
| Micah Chen | 0 | – | 1 | $1.1M | Sep 18, 2025 |
| Dennis V. McGinn | 0 | – | 1 | $776K | Sep 18, 2025 |
| Steven A. Cohen | 0 | – | 1 | $491K | Mar 6, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Divisadero Street Capital Management, LP | 8.9% | 13G | May 19, 2026 | filing ↗ | |
| William Zolezzi | 8.9% | 13G | May 19, 2026 | filing ↗ | |
| Divisadero Street Capital, LLC | 8.9% | 13G | May 19, 2026 | filing ↗ | |
| BlackRock, Inc. | 8.0% | 13G | Jul 30, 2026 | filing ↗ | |
| Divisadero Street Partners, L.P. | 7.2% | 13G | May 19, 2026 | filing ↗ | |
| Divisadero Street Partners GP, LLC | 7.2% | 13G | May 19, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Thomas Brisbin | $389K | Sep 15, 2026 | filing ↗ |
| Thomas Brisbin | $303K | Sep 8, 2026 | filing ↗ |
| Thomas Brisbin | $5.2M | Sep 3, 2026 | filing ↗ |
| Michael Bieber | $5.2M | May 14, 2026 | filing ↗ |
| Michael Bieber | $926K | May 13, 2026 | filing ↗ |
| Steven A. Cohen | $491K | Mar 6, 2026 | filing ↗ |
| Dennis McGinn | $776K | Sep 18, 2025 | filing ↗ |
| Micah Chen | $1.1M | Sep 18, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 17, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 17, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Earnings (2.02) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Earnings (2.02) | Nov 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 6, 2025 | filing ↗ |