Michael A Bieber insider trades: Willdan Group (WLDN) stock buys and sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where Michael reports to the SEC
Open-market buys and sales
33 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| May 14, 2026 | WLDN | ↓ Sell | 56,676 | $91.58 | $5.2M | Direct | May 15, 2026 (1d) |
| May 13, 2026 | WLDN | ↓ Sell | 9,991 | $92.65 | $926K | Direct | May 14, 2026 (1d) |
| May 16, 2025 | WLDN | ↓ Sell | 25,000 | $48.11 | $1.2M | Direct | May 20, 2025 (4d) |
| Nov 11, 2024 | WLDN | ↓ Sell | 10,868 | $45.67 | $496K | Direct | Nov 12, 2024 (1d) |
| Nov 6, 2024 | WLDN | ↓ Sell | 1,804 | $45.86 | $83K | Direct | Nov 8, 2024 (2d) |
| Aug 12, 2024 | WLDN | ↓ Sell | 750 | $36.46 | $27K | Direct | Aug 14, 2024 (2d) |
| Aug 9, 2024 | WLDN | ↓ Sell | 19,482 | $36.40 | $709K | Direct | Aug 12, 2024 (3d) |
| Aug 7, 2024 | WLDN | ↓ Sell | 22,346 | $36.59 | $818K | Direct | Aug 8, 2024 (1d) |
| Jun 13, 2024 | WLDN | ↓ Sell | 4,460 | $30.32 | $135K | Direct | Jun 14, 2024 (1d) |
| Jun 12, 2024 | WLDN | ↓ Sell | 8,858 | $30.61 | $271K | Direct | Jun 13, 2024 (1d) |
| Jun 10, 2024 | WLDN | ↓ Sell | 3,333 | $31.03 | $103K | Direct | Jun 12, 2024 (2d) |
| Aug 24, 2023 | WLDN | ↓ Sell | 1,026 | $24.36 | $25K | Direct | Aug 28, 2023 (4d) |
| Aug 23, 2023 | WLDN | ↓ Sell | 2,386 | $23.16 | $55K | Direct | Aug 24, 2023 (1d) |
| Mar 13, 2023 | WLDN | ↓ Sell | 2,852 | $16.39 | $47K | Direct | Mar 14, 2023 (1d) |
| Mar 10, 2023 | WLDN | ↓ Sell | 2,722 | $15.62 | $43K | Direct | Mar 13, 2023 (3d) |
| Mar 9, 2023 | WLDN | ↓ Sell | 2,932 | $17.03 | $50K | Direct | Mar 10, 2023 (1d) |
| Aug 10, 2022 | WLDN | ↓ Sell | 27,277 | $27.65 | $754K | Direct | Aug 12, 2022 (2d) |
| Aug 9, 2022 | WLDN | ↓ Sell | 456 | $28.00 | $13K | Direct | Aug 11, 2022 (2d) |
| Mar 15, 2022 | WLDN | ↓ Sell | 25,402 | $28.04 | $712K | Direct | Mar 17, 2022 (2d) |
| Sep 8, 2021 | WLDN | ↓ Sell | 22,236 | $37.88 | $842K | Direct | Sep 10, 2021 (2d) |
| Mar 24, 2021 | WLDN | ↓ Sell | 13,200 | $37.92 | $501K | Direct | Mar 26, 2021 (2d) |
| Mar 16, 2021 | WLDN | ↓ Sell | 13,348 | $46.91 | $626K | Direct | Mar 23, 2021 (7d) |
| Jun 19, 2020 | WLDN | ↓ Sell | 30,934 | $23.47 | $726K | Direct | Jun 22, 2020 (3d) |
| May 23, 2018 | WLDN | ↓ Sell | 4,000 | $26.99 | $108K | Direct | May 25, 2018 (2d) |
| Jun 12, 2015 | WLDN | ↑ Buy | 4,000 | $13.95 | $56K | Direct | Jun 12, 2015 (0d) |
| Feb 26, 2015 | TTEK | ↓ Sell | 67,813 | $25.21 | $1.7M | Direct | Feb 27, 2015 (1d) |
| Aug 25, 2014 | TTEK | ↓ Sell | 21,500 | $25.69 | $552K | Direct | Aug 26, 2014 (1d) |
| Feb 3, 2014 | TTEK | ↓ Sell | 25,000 | $28.37 | $709K | Direct | Feb 4, 2014 (1d) |
| Nov 18, 2013 | TTEK | ↓ Sell | 10,000 | $28.90 | $289K | Direct | Nov 19, 2013 (1d) |
| Aug 9, 2012 | TTEK | ↓ Sell | 1,966 | $26.27 | $52K | Direct | Aug 10, 2012 (1d) |
| Nov 15, 2011 | TTEK | ↓ Sell | 11,394 | $22.43 | $256K | Direct | Nov 16, 2011 (1d) |
| May 29, 2008 | TTEK | ↓ Sell | 25,000 | $26.75 | $669K | Direct | May 30, 2008 (1d) |
| May 11, 2006 | TTEK | ↓ Sell | 8,718 | $19.22 | $168K | Direct | May 17, 2006 (6d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other WLDN insiders
Open-market trades in the last 12 months
About Michael A Bieber's insider trades
Michael A Bieber is President and CEO at Willdan Group (WLDN). Since May 11, 2006, Michael has reported 1 open-market purchase worth $56K and 32 sales worth $18.9M on SEC Form 4. In the last 12 months: 2 sales ($6.1M).
Their filings also include grants and awards (45 filings), shares withheld for taxes (29 filings), option exercises (23 filings), shares returned to the company (5 filings). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every WLDN insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.