Michael A Bieber Insider Trading Activity
Michael A Bieber has been net-selling over the last 12 months with 0 purchases and 5 sales across 1 company.
WLDN is the most-traded position with 5 trades. The largest single transaction was a sale of WLDN for $2.3M on May 14, 2026.
Performance Scorecard
Forward stock performance after each transaction by Michael A Bieber. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -3.6% | 0% | 5 |
| 90 days | — | — | — | — |
| 120 days | — | — | — | — |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersWLDN · Willdan Group, Inc.
🔒 Subscribe to see trade entries
Pro members see exactly when Michael A Bieber bought and sold WLDN.
Upgrade to ProRecent Trades
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| WLDN | Willdan Group, Inc. | 5 | $6.1M |
Other insiders at Willdan Group, Inc.
1 other tracked filer at WLDN.