WLDN
Willdan Group, Inc.$75.81+2.22 (+3.02%)Prev Close$73.59·MCap$1.11B·P/E18.13·Vol8.5K·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
6
$12.48M
◆
Net Activity
Net Seller
$12.48M
●
Active Insiders
3
last 12 mo
Over the past 12 months, insider activity at Willdan Group, Inc. (WLDN) has been exclusively selling, with 0 insider purchases totaling $0.00 and 6 insider sales totaling $12.48M. The most recent insider transaction was by Brisbin Thomas Donald (director), who sold $389.3K worth of shares on Sep 16, 2026. Willdan Group, Inc. operates in the Industrials sector, within the Engineering & Construction industry, with a market cap of $1.11B.
WLDN Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 16, 2026 | Brisbin Thomas Donald | director | Sell | 4,905 | $79.36 | $389.3K | 97,587 |
| Sep 9, 2026 | Brisbin Thomas Donald | director | Sell | 3,439 | $88.19 | $303.3K | 96,687 |
| Sep 4, 2026 | Brisbin Thomas Donald | director | Sell | 58,757 | $88.14 | $5.18M | 96,687-38% |
| May 15, 2026 | BIEBER MICHAEL A | director, officer: PRESIDENT AND CEO | Sell | 56,676 | $91.58 | $5.19M | 280,772 |
| May 14, 2026 | BIEBER MICHAEL A | director, officer: PRESIDENT AND CEO | Sell | 9,991 | $92.65 | $925.7K | 249,525 |
| Mar 10, 2026 | Cohen Steven A | director | Sell | 6,000 | $81.82 | $490.9K | 20,849 |
| Sep 18, 2025 | McGinn Dennis V | Director | Sell | 7,298 | $106.32 | $775.9K | 0 |
| Aug 22, 2025 | Brisbin Thomas Donald | Director | Sell | 117,595 | $108.72 | $12.78M0.8% OS | 0 |
| Aug 20, 2025 | Brisbin Thomas Donald | Director | Sell | 7,405 | $104.19 | $771.5K | 0 |
| Aug 18, 2025 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 6,788 | $109.53 | $743.5K | 0 |
| Aug 18, 2025 | Brisbin Thomas Donald | Director | Sell | 130,082 | $109.69 | $14.27M0.9% OS | 0 |
| Aug 14, 2025 | REDER WANDA KAY | Director | Sell | 850 | $119.46 | $101.5K | 0 |
| Aug 12, 2025 | Cohen Steven A | Director | Sell | 2,500 | $116.34 | $290.9K | 0 |
| May 27, 2025 | Brisbin Thomas Donald | Director | Sell | 22,459 | $52.34 | $1.18M | 0 |
| May 22, 2025 | Brisbin Thomas Donald | Director | Sell | 5,915 | $52.04 | $307.8K | 0 |
| May 16, 2025 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 25,000 | $48.11 | $1.20M | 0 |
| May 16, 2025 | CHEN MICAH | EXECUTIVE VP & GENERAL COUNSEL | Sell | 10,000 | $48.20 | $482.0K | 0 |
| Mar 24, 2025 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 8,246 | $42.53 | $350.7K | 0 |
| Mar 20, 2025 | CHEN MICAH | EXECUTIVE VP & GENERAL COUNSEL | Sell | 613 | $43.06 | $26.4K | 0 |
| Mar 20, 2025 | EARLY CREIGHTON K | EXECUTIVE VP AND CFO | Sell | 753 | $43.06 | $32.4K | 0 |
| Mar 11, 2025 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 6,268 | $40.11 | $251.4K | 0 |
| Mar 7, 2025 | EARLY CREIGHTON K | EXECUTIVE VP AND CFO | Sell | 4,224 | $41.80 | $176.6K | 0 |
| Dec 16, 2024 | Brisbin Thomas Donald | Sell | 23,100 | $42.49 | $981.6K | 422,104 | |
| Dec 10, 2024 | EARLY CREIGHTON K | EXECUTIVE VP AND CFO | Sell | 4,583 | $43.15 | $197.8K | 69,146 |
| Nov 12, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 10,868 | $45.67 | $496.3K | 173,654 |
| Nov 8, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 1,804 | $45.86 | $82.7K | 173,654 |
| Aug 14, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 750 | $36.46 | $27.3K | 169,726 |
| Aug 12, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 19,482 | $36.40 | $709.1K | 169,726 |
| Aug 8, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 22,346 | $36.59 | $817.7K | 169,726 |
| Aug 8, 2024 | EARLY CREIGHTON K | EXECUTIVE VP AND CFO | Sell | 10,000 | $36.45 | $364.5K | 68,538 |
| Jul 11, 2024 | Forager Fund, L.P. | Sell | 188,230 | $29.93 | $5.63M1.3% OS | 1,255,765 | |
| Jun 24, 2024 | Forager Fund, L.P. | Sell | 460 | $29.28 | $13.5K | 144,995 | |
| Jun 18, 2024 | Forager Fund, L.P. | Sell | 12,341 | $29.64 | $365.7K | 1,456,097 | |
| Jun 14, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 4,460 | $30.32 | $135.2K | 169,043 |
| Jun 13, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 8,858 | $30.61 | $271.2K | 167,503 |
| Jun 13, 2024 | Forager Fund, L.P. | Sell | 19,041 | $30.70 | $584.6K | 1,465,837 | |
| Jun 12, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 3,333 | $31.03 | $103.4K | 164,361 |
| Jun 12, 2024 | Shahidehpour Mohammad | Sell | 3,000 | $30.83 | $92.5K | 12,792 | |
| Jun 10, 2024 | Forager Fund, L.P. | Sell | 34,593 | $31.53 | $1.09M | 1,497,590 | |
| May 30, 2024 | Brisbin Thomas Donald | Sell | 19,821 | $32.01 | $634.4K | 413,908 | |
| May 28, 2024 | Brisbin Thomas Donald | Sell | 397 | $31.90 | $12.7K | 413,908 | |
| May 23, 2024 | Brisbin Thomas Donald | Sell | 8,009 | $32.15 | $257.5K | 413,908 | |
| May 21, 2024 | Brisbin Thomas Donald | Sell | 14,426 | $32.06 | $462.5K | 413,908 | |
| May 20, 2024 | Brisbin Thomas Donald | Sell | 7,347 | $32.01 | $235.2K | 413,908 | |
| May 16, 2024 | Forager Fund, L.P. | Sell | 12,465 | $32.30 | $402.6K | 1,516,995 | |
| May 13, 2024 | Forager Fund, L.P. | Sell | 90,346 | $33.48 | $3.02M0.6% OS | 1,550,405 | |
| May 8, 2024 | Forager Fund, L.P. | Sell | 28,017 | $33.03 | $925.4K | 1,630,428 | |
| May 3, 2024 | Forager Fund, L.P. | Sell | 157,366 | $30.13 | $4.74M1.1% OS | 1,748,416 | |
| Mar 28, 2024 | Forager Fund, L.P. | Sell | 32,903 | $29.44 | $968.5K | 1,900,057 | |
| Aug 28, 2023 | BIEBER MICHAEL A | PRESIDENT | Sell | 1,026 | $24.36 | $25.0K | 140,738 |
Showing 1–50 of 114
1 / 3
WLDN Insider Buying Activity
The following table shows recent insider purchases of Willdan Group, Inc. (WLDN) stock reported via SEC Form 4 filings.
No insider buying activity found for WLDN in the last 12 months.
WLDN Insider Selling Activity
The following table shows recent insider sales of Willdan Group, Inc. (WLDN) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 16, 2026 | Brisbin Thomas Donald | director | Sell | 4,905 | $79.36 | $389.3K | 97,587 |
| Sep 9, 2026 | Brisbin Thomas Donald | director | Sell | 3,439 | $88.19 | $303.3K | 96,687 |
| Sep 4, 2026 | Brisbin Thomas Donald | director | Sell | 58,757 | $88.14 | $5.18M | 96,687-38% |
| May 15, 2026 | BIEBER MICHAEL A | director, officer: PRESIDENT AND CEO | Sell | 56,676 | $91.58 | $5.19M | 280,772 |
| May 14, 2026 | BIEBER MICHAEL A | director, officer: PRESIDENT AND CEO | Sell | 9,991 | $92.65 | $925.7K | 249,525 |
| Mar 10, 2026 | Cohen Steven A | director | Sell | 6,000 | $81.82 | $490.9K | 20,849 |
| Sep 18, 2025 | McGinn Dennis V | Director | Sell | 7,298 | $106.32 | $775.9K | 0 |
| Aug 22, 2025 | Brisbin Thomas Donald | Director | Sell | 117,595 | $108.72 | $12.78M0.8% OS | 0 |
| Aug 20, 2025 | Brisbin Thomas Donald | Director | Sell | 7,405 | $104.19 | $771.5K | 0 |
| Aug 18, 2025 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 6,788 | $109.53 | $743.5K | 0 |
| Aug 18, 2025 | Brisbin Thomas Donald | Director | Sell | 130,082 | $109.69 | $14.27M0.9% OS | 0 |
| Aug 14, 2025 | REDER WANDA KAY | Director | Sell | 850 | $119.46 | $101.5K | 0 |
| Aug 12, 2025 | Cohen Steven A | Director | Sell | 2,500 | $116.34 | $290.9K | 0 |
| May 27, 2025 | Brisbin Thomas Donald | Director | Sell | 22,459 | $52.34 | $1.18M | 0 |
| May 22, 2025 | Brisbin Thomas Donald | Director | Sell | 5,915 | $52.04 | $307.8K | 0 |
| May 16, 2025 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 25,000 | $48.11 | $1.20M | 0 |
| May 16, 2025 | CHEN MICAH | EXECUTIVE VP & GENERAL COUNSEL | Sell | 10,000 | $48.20 | $482.0K | 0 |
| Mar 24, 2025 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 8,246 | $42.53 | $350.7K | 0 |
| Mar 20, 2025 | CHEN MICAH | EXECUTIVE VP & GENERAL COUNSEL | Sell | 613 | $43.06 | $26.4K | 0 |
| Mar 20, 2025 | EARLY CREIGHTON K | EXECUTIVE VP AND CFO | Sell | 753 | $43.06 | $32.4K | 0 |
| Mar 11, 2025 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 6,268 | $40.11 | $251.4K | 0 |
| Mar 7, 2025 | EARLY CREIGHTON K | EXECUTIVE VP AND CFO | Sell | 4,224 | $41.80 | $176.6K | 0 |
| Dec 16, 2024 | Brisbin Thomas Donald | Sell | 23,100 | $42.49 | $981.6K | 422,104 | |
| Dec 10, 2024 | EARLY CREIGHTON K | EXECUTIVE VP AND CFO | Sell | 4,583 | $43.15 | $197.8K | 69,146 |
| Nov 12, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 10,868 | $45.67 | $496.3K | 173,654 |
| Nov 8, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 1,804 | $45.86 | $82.7K | 173,654 |
| Aug 14, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 750 | $36.46 | $27.3K | 169,726 |
| Aug 12, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 19,482 | $36.40 | $709.1K | 169,726 |
| Aug 8, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 22,346 | $36.59 | $817.7K | 169,726 |
| Aug 8, 2024 | EARLY CREIGHTON K | EXECUTIVE VP AND CFO | Sell | 10,000 | $36.45 | $364.5K | 68,538 |
| Jul 11, 2024 | Forager Fund, L.P. | Sell | 188,230 | $29.93 | $5.63M1.3% OS | 1,255,765 | |
| Jun 24, 2024 | Forager Fund, L.P. | Sell | 460 | $29.28 | $13.5K | 144,995 | |
| Jun 18, 2024 | Forager Fund, L.P. | Sell | 12,341 | $29.64 | $365.7K | 1,456,097 | |
| Jun 14, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 4,460 | $30.32 | $135.2K | 169,043 |
| Jun 13, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 8,858 | $30.61 | $271.2K | 167,503 |
| Jun 13, 2024 | Forager Fund, L.P. | Sell | 19,041 | $30.70 | $584.6K | 1,465,837 | |
| Jun 12, 2024 | BIEBER MICHAEL A | PRESIDENT AND CEO | Sell | 3,333 | $31.03 | $103.4K | 164,361 |
| Jun 12, 2024 | Shahidehpour Mohammad | Sell | 3,000 | $30.83 | $92.5K | 12,792 | |
| Jun 10, 2024 | Forager Fund, L.P. | Sell | 34,593 | $31.53 | $1.09M | 1,497,590 | |
| May 30, 2024 | Brisbin Thomas Donald | Sell | 19,821 | $32.01 | $634.4K | 413,908 | |
| May 28, 2024 | Brisbin Thomas Donald | Sell | 397 | $31.90 | $12.7K | 413,908 | |
| May 23, 2024 | Brisbin Thomas Donald | Sell | 8,009 | $32.15 | $257.5K | 413,908 | |
| May 21, 2024 | Brisbin Thomas Donald | Sell | 14,426 | $32.06 | $462.5K | 413,908 | |
| May 20, 2024 | Brisbin Thomas Donald | Sell | 7,347 | $32.01 | $235.2K | 413,908 | |
| May 16, 2024 | Forager Fund, L.P. | Sell | 12,465 | $32.30 | $402.6K | 1,516,995 | |
| May 13, 2024 | Forager Fund, L.P. | Sell | 90,346 | $33.48 | $3.02M0.6% OS | 1,550,405 | |
| May 8, 2024 | Forager Fund, L.P. | Sell | 28,017 | $33.03 | $925.4K | 1,630,428 | |
| May 3, 2024 | Forager Fund, L.P. | Sell | 157,366 | $30.13 | $4.74M1.1% OS | 1,748,416 | |
| Mar 28, 2024 | Forager Fund, L.P. | Sell | 32,903 | $29.44 | $968.5K | 1,900,057 | |
| Aug 28, 2023 | BIEBER MICHAEL A | PRESIDENT | Sell | 1,026 | $24.36 | $25.0K | 140,738 |
WLDN Insiders
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