GRINDSTAFF NICHOLAS M 内部人交易：近期 SEC Form 4 交易
过去 18 个月，GRINDSTAFF NICHOLAS M（CIK 1134710）在 1 家公司共报告 5 笔 SEC Form 4 内部人交易（最近一笔 2026-07-14）。
| 日期 | 公司 | 身份 | 类型 | 股数 | 市值 |
|---|---|---|---|---|---|
| 2026-07-14 | STERLING INFRASTRUCTURE, INC. (STRL) | Chief Financial Officer (CFO) | 卖出 | 556 | $379,353 |
| 2026-01-05 | STERLING INFRASTRUCTURE, INC. (STRL) | Chief Financial Officer (CFO) | 卖出 | 61 | $18,680 |
| 2026-01-05 | STERLING INFRASTRUCTURE, INC. (STRL) | Chief Financial Officer (CFO) | 买入 | 1,029 | $0 |
| 2025-07-10 | STERLING INFRASTRUCTURE, INC. (STRL) | Chief Financial Officer (CFO) | 买入 | 5,000 | $0 |
| 2025-07-10 | STERLING INFRASTRUCTURE, INC. (STRL) | Chief Financial Officer (CFO) | 买入 | 560 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-07-14