Michael A. Bieber
CIK: 0001270606
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Willdan Group, Inc.
Discretionary Trading P&L
Holdings
Transaction History (33 total)
- May 14, 2026WLDN
Willdan Group, Inc.
Sale(S)Direct23K shares at avg. $91.95$2.1M - May 14, 2026WLDN
Willdan Group, Inc.
Sale(S)Direct276 shares at avg. $93.74$26K - May 14, 2026WLDN
Willdan Group, Inc.
Sale(S)Direct25.4K shares at avg. $90.88$2.3M - May 14, 2026WLDN
Willdan Group, Inc.
Sale(S)Direct8K shares at avg. $92.65$737K - May 14, 2026WLDN
Willdan Group, Inc.
Exercise(M)Direct40K shares at avg. $16.27$651K - May 14, 2026WLDN
Willdan Group, Inc.
Exercise(M)Direct16.7K shares at avg. $28.19$470K - May 13, 2026WLDN
Willdan Group, Inc.
Exercise(M)Direct10K shares at avg. $16.27$163K - May 13, 2026WLDN
Willdan Group, Inc.
Sale(S)Direct10K shares at avg. $92.65$926K - Mar 25, 2026WLDN
Willdan Group, Inc.
Award(A)Direct15.8K shares- - Mar 25, 2026WLDN
Willdan Group, Inc.
Tax Payment(F)Direct6.4K shares at avg. $82.80$534K - Mar 20, 2026WLDN
Willdan Group, Inc.
Tax Payment(F)Direct2.4K shares at avg. $75.52$180K - Mar 17, 2026WLDN
Willdan Group, Inc.
Tax Payment(F)Direct2.6K shares at avg. $78.29$206K - Mar 16, 2026WLDN
Willdan Group, Inc.
Award(A)Direct17.3K shares- - Mar 16, 2026WLDN
Willdan Group, Inc.
Tax Payment(F)Direct7.1K shares at avg. $78.61$557K - Mar 11, 2026WLDN
Willdan Group, Inc.
Award(A)Direct18.8K shares- - Mar 11, 2026WLDN
Willdan Group, Inc.
Tax Payment(F)Direct7.7K shares at avg. $83.98$646K - Mar 9, 2026WLDN
Willdan Group, Inc.
Tax Payment(F)Direct1.8K shares at avg. $82.98$151K - Mar 3, 2026WLDN
Willdan Group, Inc.
Award(A)Direct18K shares- - Aug 18, 2025WLDN
Willdan Group, Inc.
Tax Payment(F)Direct6.8K shares at avg. $109.53$743K - Aug 18, 2025WLDN
Willdan Group, Inc.
Award(A)Direct13K shares- - May 16, 2025WLDN
Willdan Group, Inc.
Sale(S)Direct25K shares at avg. $48.11$1.2M - May 16, 2025WLDN
Willdan Group, Inc.
Exercise(M)Direct25K shares at avg. $13.91$348K - Mar 24, 2025WLDN
Willdan Group, Inc.
Tax Payment(F)Direct8.2K shares at avg. $42.53$351K - Mar 24, 2025WLDN
Willdan Group, Inc.
Award(A)Direct15.8K shares- - Mar 20, 2025WLDN
Willdan Group, Inc.
Tax Payment(F)Direct3.1K shares at avg. $43.06$132K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 14, 2026 | WLDN Willdan Group, Inc. | Sale(S) | 23,015 | $91.95 | $2,116,229 | Direct |
| May 14, 2026 | WLDN Willdan Group, Inc. | Sale(S) | 276 | $93.74 | $25,872 | Direct |
| May 14, 2026 | WLDN Willdan Group, Inc. | Sale(S) | 25,429 | $90.88 | $2,310,988 | Direct |
| May 14, 2026 | WLDN Willdan Group, Inc. | Sale(S) | 7,956 | $92.65 | $737,123 | Direct |
| May 14, 2026 | WLDN Willdan Group, Inc. | Exercise(M) | 40,009 | $16.27 | $650,946 | Direct |
| May 14, 2026 | WLDN Willdan Group, Inc. | Exercise(M) | 16,667 | $28.19 | $469,843 | Direct |
| May 13, 2026 | WLDN Willdan Group, Inc. | Exercise(M) | 9,991 | $16.27 | $162,554 | Direct |
| May 13, 2026 | WLDN Willdan Group, Inc. | Sale(S) | 9,991 | $92.65 | $925,666 | Direct |
| Mar 25, 2026 | WLDN Willdan Group, Inc. | Award(A) | 15,750 | - | $0 | Direct |
| Mar 25, 2026 | WLDN Willdan Group, Inc. | Tax Payment(F) | 6,444 | $82.80 | $533,563 | Direct |
| Mar 20, 2026 | WLDN Willdan Group, Inc. | Tax Payment(F) | 2,387 | $75.52 | $180,266 | Direct |
| Mar 17, 2026 | WLDN Willdan Group, Inc. | Tax Payment(F) | 2,625 | $78.29 | $205,511 | Direct |
| Mar 16, 2026 | WLDN Willdan Group, Inc. | Award(A) | 17,326 | - | $0 | Direct |
| Mar 16, 2026 | WLDN Willdan Group, Inc. | Tax Payment(F) | 7,090 | $78.61 | $557,345 | Direct |
| Mar 11, 2026 | WLDN Willdan Group, Inc. | Award(A) | 18,810 | - | $0 | Direct |
| Mar 11, 2026 | WLDN Willdan Group, Inc. | Tax Payment(F) | 7,697 | $83.98 | $646,394 | Direct |
| Mar 9, 2026 | WLDN Willdan Group, Inc. | Tax Payment(F) | 1,814 | $82.98 | $150,526 | Direct |
| Mar 3, 2026 | WLDN Willdan Group, Inc. | Award(A) | 18,000 | - | $0 | Direct |
| Aug 18, 2025 | WLDN Willdan Group, Inc. | Tax Payment(F) | 6,788 | $109.53 | $743,490 | Direct |
| Aug 18, 2025 | WLDN Willdan Group, Inc. | Award(A) | 12,963 | - | - | Direct |
| May 16, 2025 | WLDN Willdan Group, Inc. | Sale(S) | 25,000 | $48.11 | $1,202,750 | Direct |
| May 16, 2025 | WLDN Willdan Group, Inc. | Exercise(M) | 25,000 | $13.91 | $347,750 | Direct |
| Mar 24, 2025 | WLDN Willdan Group, Inc. | Tax Payment(F) | 8,246 | $42.53 | $350,702 | Direct |
| Mar 24, 2025 | WLDN Willdan Group, Inc. | Award(A) | 15,750 | - | - | Direct |
| Mar 20, 2025 | WLDN Willdan Group, Inc. | Tax Payment(F) | 3,054 | $43.06 | $131,505 | Direct |
1-25 of 33 transactions
About BIEBER MICHAEL A
BIEBER MICHAEL A (SEC CIK 0001270606) files insider reports with the SEC as PRESIDENT AND CEO of Willdan Group, Inc. (WLDN).
Signal8 holds 18 ownership filings by BIEBER MICHAEL A, all Form 4s, filed between Nov 8, 2024 and May 15, 2026. Those filings report 33 transactions, from Nov 6, 2024 to May 14, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on BIEBER MICHAEL A's filings is in ANAHEIM, CA.
Recent filings by BIEBER MICHAEL A
- May 14, 2026: Open-market sales of WLDN shares (4 lines, Form 4, code S).
- May 14, 2026: Option exercises of WLDN shares (2 lines, Form 4, code M).
- May 13, 2026: Option exercise of WLDN shares (Form 4, code M).
- May 13, 2026: Open-market sale of WLDN shares (Form 4, code S).
- Mar 25, 2026: Grant or award of WLDN shares (Form 4, code A).
Other insiders filing for Willdan Group, Inc. (WLDN)
- Brisbin Thomas Donald, Director
- Shahidehpour Mohammad, Director
- Downes Cynthia, Director
- REDER WANDA KAY, Director
- McGinn Dennis V, Director
- Cohen Steven A, Director