Costanzo Brian J. 内部人交易：近期 SEC Form 4 交易
过去 18 个月，Costanzo Brian J.（CIK 1873434）在 1 家公司共报告 9 笔 SEC Form 4 内部人交易（最近一笔 2026-07-16）。
| 日期 | 公司 | 身份 | 类型 | 股数 | 市值 |
|---|---|---|---|---|---|
| 2026-07-16 | MARKEL GROUP INC. (MKL) | Chief Financial Officer | 买入 | 2 | $3,500 |
| 2026-05-19 | MARKEL GROUP INC. (MKL) | Chief Financial Officer | 卖出 | 13 | $24,120 |
| 2026-05-19 | MARKEL GROUP INC. (MKL) | Chief Financial Officer | 买入 | 30 | $50,004 |
| 2026-04-15 | MARKEL GROUP INC. (MKL) | Chief Financial Officer | 买入 | 2 | $2,994 |
| 2026-02-26 | MARKEL GROUP INC. (MKL) | Chief Financial Officer | 买入 | 655 | $0 |
| 2026-01-20 | MARKEL GROUP INC. (MKL) | Chief Financial Officer | 买入 | 2 | $3,494 |
| 2025-12-03 | MARKEL GROUP INC. (MKL) | Chief Financial Officer | 卖出 | 22 | $44,761 |
| 2025-10-16 | MARKEL GROUP INC. (MKL) | Chief Financial Officer | 买入 | 2 | $3,006 |
| 2025-07-16 | MARKEL GROUP INC. (MKL) | Chief Financial Officer | 买入 | 2 | $3,494 |
来源：SEC Form 4 申报文件 · 截至 2026-07-16