WLDN
insider transactionsWilldan Group, Inc. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 365d
-72.7K
0 buy · 72.7K sell
Net value · 365d
-$6.6M
$0 in · $6.6M out
Sentiment · 365d
Net selling
0% buying · 100% selling
Open-market trades · 365d
6
0 buy · 72.7K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
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Grant·A
Director
$0
1.2K sh
Own +9%
-
Grant·A
Director
$0
1.2K sh
Own +12%
-
Grant·A
Director
$0
1.2K sh
Own +11%
-
Grant·A
Director
$0
1.2K sh
Own +14%
-
Grant·A
Director
$0
1.2K sh
Own +6%
-
Grant·A
Director
$0
1.2K sh
Own +1%
-
Exercise·M
Michael A Bieber KEY
PRESIDENT AND CEO
$0
16.7K sh
Own New
-
Exercise·M
Michael A Bieber KEY
PRESIDENT AND CEO
$0
40.0K sh
Own New
-
Sell·S
Michael A Bieber KEY
PRESIDENT AND CEO
$25.9K
276 sh · $93.74
Own -0%
-
Sell·S
Michael A Bieber KEY
PRESIDENT AND CEO
$737.1K
8.0K sh · $92.65
Own -3%
-
Sell·S
Michael A Bieber KEY
PRESIDENT AND CEO
$2.1M
23.0K sh · $91.95
Own -8%
-
Sell·S
Michael A Bieber KEY
PRESIDENT AND CEO
$2.3M
25.4K sh · $90.88
Own -8%
-
Exercise·M
Michael A Bieber KEY
PRESIDENT AND CEO
$469.8K
16.7K sh · $28.19
Own +6%
-
Exercise·M
Michael A Bieber KEY
PRESIDENT AND CEO
$650.9K
40.0K sh · $16.27
Own +16%
-
Exercise·M
Michael A Bieber KEY
PRESIDENT AND CEO
$0
10.0K sh
Own +33%
-
Sell·S
Michael A Bieber KEY
PRESIDENT AND CEO
$925.7K
10.0K sh · $92.65
Own -4%
-
Exercise·M
Michael A Bieber KEY
PRESIDENT AND CEO
$162.6K
10.0K sh · $16.27
Own +4%
-
Other·F
EXECUTIVE VP AND CFO
$177.4K
2.1K sh · $82.80
Own -3%
-
Grant·A
EXECUTIVE VP AND CFO
$0
3.8K sh
Own +5%
-
Other·F
EXECUTIVE VP & GENERAL COUNSEL
$137.4K
1.7K sh · $82.80
Own -3%
-
Grant·A
EXECUTIVE VP & GENERAL COUNSEL
$0
3.8K sh
Own +8%
-
Other·F
Michael A Bieber KEY
PRESIDENT AND CEO
$533.6K
6.4K sh · $82.80
Own -3%
-
Grant·A
Michael A Bieber KEY
PRESIDENT AND CEO
$0
15.8K sh
Own +7%
-
Other·F
EXECUTIVE VP AND CFO
$60.0K
794 sh · $75.52
Own -1%
-
Other·F
EXECUTIVE VP & GENERAL COUNSEL
$46.4K
615 sh · $75.52
Own -1%
-
Other·F
Michael A Bieber KEY
PRESIDENT AND CEO
$180.3K
2.4K sh · $75.52
Own -1%
-
Other·F
EXECUTIVE VP AND CFO
$68.3K
873 sh · $78.29
Own -1%
-
Other·F
EXECUTIVE VP & GENERAL COUNSEL
$52.9K
676 sh · $78.29
Own -1%
-
Other·F
Michael A Bieber KEY
PRESIDENT AND CEO
$205.5K
2.6K sh · $78.29
Own -1%
-
Other·F
EXECUTIVE VP AND CFO
$185.2K
2.4K sh · $78.61
Own -3%
-
Grant·A
EXECUTIVE VP AND CFO
$0
4.2K sh
Own +5%
-
Other·F
EXECUTIVE VP & GENERAL COUNSEL
$143.5K
1.8K sh · $78.61
Own -4%
-
Grant·A
EXECUTIVE VP & GENERAL COUNSEL
$0
4.2K sh
Own +9%
-
Other·F
Michael A Bieber KEY
PRESIDENT AND CEO
$557.3K
7.1K sh · $78.61
Own -3%
-
Grant·A
Michael A Bieber KEY
PRESIDENT AND CEO
$0
17.3K sh
Own +7%
-
Other·F
EXECUTIVE VP AND CFO
$188.5K
2.2K sh · $83.98
Own -3%
-
Grant·A
EXECUTIVE VP AND CFO
$0
4.0K sh
Own +5%
-
Other·F
EXECUTIVE VP & GENERAL COUNSEL
$146.0K
1.7K sh · $83.98
Own -4%
-
Grant·A
EXECUTIVE VP & GENERAL COUNSEL
$0
4.0K sh
Own +9%
-
Grant·A
Director
$0
24.8K sh
Own +35%
-
Other·F
Michael A Bieber KEY
PRESIDENT AND CEO
$646.4K
7.7K sh · $83.98
Own -3%
-
Grant·A
Michael A Bieber KEY
PRESIDENT AND CEO
$0
18.8K sh
Own +8%
-
Other·F
EXECUTIVE VP AND CFO
$357.4K
4.3K sh · $82.98
Own -5%
-
Other·F
EXECUTIVE VP & GENERAL COUNSEL
$34.0K
410 sh · $82.98
Own -1%
-
Other·F
Michael A Bieber KEY
PRESIDENT AND CEO
$150.5K
1.8K sh · $82.98
Own -1%
-
Sell·S
Director
$490.9K
6.0K sh · $81.82
Own -22%
-
Grant·A
EXECUTIVE VP AND CFO
$0
5.6K sh
Own +8%
-
Grant·A
EXECUTIVE VP & GENERAL COUNSEL
$0
4.5K sh
Own +11%
-
Grant·A
Michael A Bieber KEY
PRESIDENT AND CEO
$0
18.0K sh
Own +9%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 17, 2026 | Mohammad Shahidehpour | Grant A | 1.2K | $0 |
| Jun 17, 2026 | Wanda Kay Reder | Grant A | 1.2K | $0 |
| Jun 17, 2026 | Dennis V Mcginn | Grant A | 1.2K | $0 |
| Jun 17, 2026 | Cynthia Downes | Grant A | 1.2K | $0 |
| Jun 17, 2026 | Steven A Cohen | Grant A | 1.2K | $0 |
| Jun 17, 2026 | Thomas Donald Brisbin | Grant A | 1.2K | $0 |
| May 14, 2026 | Michael A Bieber KEY | Exercise M | 16.7K | $0 |
| May 14, 2026 | Michael A Bieber KEY | Exercise M | 40.0K | $0 |
| May 14, 2026 | Michael A Bieber KEY | Sell S | 276 | $25.9K |
| May 14, 2026 | Michael A Bieber KEY | Sell S | 8.0K | $737.1K |
| May 14, 2026 | Michael A Bieber KEY | Sell S | 23.0K | $2.1M |
| May 14, 2026 | Michael A Bieber KEY | Sell S | 25.4K | $2.3M |
| May 14, 2026 | Michael A Bieber KEY | Exercise M | 16.7K | $469.8K |
| May 14, 2026 | Michael A Bieber KEY | Exercise M | 40.0K | $650.9K |
| May 13, 2026 | Michael A Bieber KEY | Exercise M | 10.0K | $0 |
| May 13, 2026 | Michael A Bieber KEY | Sell S | 10.0K | $925.7K |
| May 13, 2026 | Michael A Bieber KEY | Exercise M | 10.0K | $162.6K |
| Mar 25, 2026 | Creighton K Early KEY | Other F | 2.1K | $177.4K |
| Mar 25, 2026 | Creighton K Early KEY | Grant A | 3.8K | $0 |
| Mar 25, 2026 | Micah Chen | Other F | 1.7K | $137.4K |
| Mar 25, 2026 | Micah Chen | Grant A | 3.8K | $0 |
| Mar 25, 2026 | Michael A Bieber KEY | Other F | 6.4K | $533.6K |
| Mar 25, 2026 | Michael A Bieber KEY | Grant A | 15.8K | $0 |
| Mar 20, 2026 | Creighton K Early KEY | Other F | 794 | $60.0K |
| Mar 20, 2026 | Micah Chen | Other F | 615 | $46.4K |
| Mar 20, 2026 | Michael A Bieber KEY | Other F | 2.4K | $180.3K |
| Mar 17, 2026 | Creighton K Early KEY | Other F | 873 | $68.3K |
| Mar 17, 2026 | Micah Chen | Other F | 676 | $52.9K |
| Mar 17, 2026 | Michael A Bieber KEY | Other F | 2.6K | $205.5K |
| Mar 16, 2026 | Creighton K Early KEY | Other F | 2.4K | $185.2K |
| Mar 16, 2026 | Creighton K Early KEY | Grant A | 4.2K | $0 |
| Mar 16, 2026 | Micah Chen | Other F | 1.8K | $143.5K |
| Mar 16, 2026 | Micah Chen | Grant A | 4.2K | $0 |
| Mar 16, 2026 | Michael A Bieber KEY | Other F | 7.1K | $557.3K |
| Mar 16, 2026 | Michael A Bieber KEY | Grant A | 17.3K | $0 |
| Mar 11, 2026 | Creighton K Early KEY | Other F | 2.2K | $188.5K |
| Mar 11, 2026 | Creighton K Early KEY | Grant A | 4.0K | $0 |
| Mar 11, 2026 | Micah Chen | Other F | 1.7K | $146.0K |
| Mar 11, 2026 | Micah Chen | Grant A | 4.0K | $0 |
| Mar 11, 2026 | Thomas Donald Brisbin | Grant A | 24.8K | $0 |
| Mar 11, 2026 | Michael A Bieber KEY | Other F | 7.7K | $646.4K |
| Mar 11, 2026 | Michael A Bieber KEY | Grant A | 18.8K | $0 |
| Mar 9, 2026 | Creighton K Early KEY | Other F | 4.3K | $357.4K |
| Mar 9, 2026 | Micah Chen | Other F | 410 | $34.0K |
| Mar 9, 2026 | Michael A Bieber KEY | Other F | 1.8K | $150.5K |
| Mar 6, 2026 | Steven A Cohen | Sell S | 6.0K | $490.9K |
| Mar 3, 2026 | Creighton K Early KEY | Grant A | 5.6K | $0 |
| Mar 3, 2026 | Micah Chen | Grant A | 4.5K | $0 |
| Mar 3, 2026 | Michael A Bieber KEY | Grant A | 18.0K | $0 |
About WLDN insider trading
This page tracks insider transactions for Willdan Group, Inc. (WLDN) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.