BIEBER MICHAEL A 内部人交易：近期 SEC Form 4 交易
过去 18 个月，BIEBER MICHAEL A（CIK 1270606）在 1 家公司共报告 22 笔 SEC Form 4 内部人交易（最近一笔 2026-05-15）。
| 日期 | 公司 | 身份 | 类型 | 股数 | 市值 |
|---|---|---|---|---|---|
| 2026-05-15 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 买入 | 40,009 | $650,946 |
| 2026-05-15 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 买入 | 16,667 | $469,843 |
| 2026-05-15 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 25,429 | $2.3M |
| 2026-05-15 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 23,015 | $2.1M |
| 2026-05-15 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 7,956 | $737,123 |
| 2026-05-15 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 276 | $25,872 |
| 2026-05-14 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 买入 | 9,991 | $162,554 |
| 2026-05-14 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 9,991 | $925,666 |
| 2026-03-26 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 买入 | 15,750 | $0 |
| 2026-03-26 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 6,444 | $533,563 |
| 2026-03-23 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 2,387 | $180,266 |
| 2026-03-19 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 2,625 | $205,511 |
| 2026-03-17 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 买入 | 17,326 | $0 |
| 2026-03-17 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 7,090 | $557,345 |
| 2026-03-12 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 买入 | 18,810 | $0 |
| 2026-03-12 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 7,697 | $646,394 |
| 2026-03-11 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 1,814 | $150,526 |
| 2026-03-05 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 买入 | 18,000 | $0 |
| 2025-08-20 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 买入 | 12,963 | $0 |
| 2025-08-20 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 6,788 | $743,490 |
| 2025-05-20 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 买入 | 25,000 | $347,750 |
| 2025-05-20 | Willdan Group, Inc. (WLDN) | PRESIDENT AND CEO | 卖出 | 25,000 | $1.2M |
来源：SEC Form 4 申报文件 · 截至 2026-05-15