Michael A Bieber sold $5.2M of WLDN
PRESIDENT AND CEO at Willdan Group, Inc.. 56,676 shares at an average of $91.58, traded May 14, 2026, filed May 15, 2026.
Score components
- +25RoleCEO
- +25Trade size$5.2M at market
- +5Share of holdings soldSold 19% of holdings
- 0ClusterNo other insider selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +4.5%, 3m -6.2%, 6m -.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001270606-26-000017, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 14, 2026 | MOption exercise Common Stock | +40,009 | $16.27 | $651k | 289,534 | May 15, 2026 |
| May 14, 2026 | MOption exercise Common Stock | +16,667 | $28.19 | $470k | 306,201 | May 15, 2026 |
| May 14, 2026 | SOpen-market sale Common Stock | -25,429 | $90.88 | $2.3M | 280,772 | May 15, 2026 |
| May 14, 2026 | SOpen-market sale Common Stock | -23,015 | $91.95 | $2.1M | 257,757 | May 15, 2026 |
| May 14, 2026 | SOpen-market sale Common Stock | -7,956 | $92.65 | $737k | 249,801 | May 15, 2026 |
| May 14, 2026 | SOpen-market sale Common Stock | -276 | $93.74 | $26k | 249,525 | May 15, 2026 |
| May 14, 2026 | MOption exercise Stock Options (Right to Buy)derivative | -40,009 | $0.00 | $0 | 0 | May 15, 2026 |
| May 14, 2026 | MOption exercise Stock Options (Right to Buy)derivative | -16,667 | $0.00 | $0 | 0 | May 15, 2026 |
Related signals
Other insiders at Willdan Group, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 16Weak | WLDNsell Willdan Group, Inc. | Thomas Donald Brisbin director | $389k 4,905 shares | -5% | |
| 14Weak | WLDNsell Willdan Group, Inc. | Thomas Donald Brisbin director | $303k 3,439 shares | -3% | |
| 35Weak | WLDNsell Willdan Group, Inc. | Thomas Donald Brisbin director | $5.2M 58,757 shares | -38% | |
| 34Weak | WLDNsell Willdan Group, Inc. | Michael A Bieber PRESIDENT AND CEO | $926k 9,991 shares | -4% | |
| 38Weak | WLDNsell Willdan Group, Inc. | Steven A Cohen director | $491k 6,000 shares | -22% | |
| 38Weak | Willdan Group, Inc. | Micah Chen EXECUTIVE VP & GENERAL COUNSEL | $1.1M 10,000 shares | -20% | |
| 55Moderate | Willdan Group, Inc. | Dennis McGinn V director | $776k 7,298 shares | -39% | |
| 75Notable | Willdan Group, Inc. | Thomas Donald Brisbin director | $13M 117,595 shares | -62% | |
| 35Weak | Willdan Group, Inc. | Thomas Donald Brisbin director | $612k 5,182 shares | -7% | |
| 65Notable | Willdan Group, Inc. | Thomas Donald Brisbin director | $13M 125,000 shares | -40% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.