Herndon Mark 内部人交易：近期 SEC Form 4 交易
过去 18 个月，Herndon Mark（CIK 1754318）在 1 家公司共报告 6 笔 SEC Form 4 内部人交易（最近一笔 2026-08-20）。
| 日期 | 公司 | 身份 | 类型 | 股数 | 市值 |
|---|---|---|---|---|---|
| 2026-08-20 | Horizon Kinetics Holding Corp (HKHC) | Chief Financial Officer | 买入 | 50 | $1,325 |
| 2026-08-20 | Horizon Kinetics Holding Corp (HKHC) | Chief Financial Officer | 买入 | 200 | $5,350 |
| 2026-05-21 | Horizon Kinetics Holding Corp (HKHC) | Chief Financial Officer | 买入 | 100 | $2,785 |
| 2026-03-19 | Horizon Kinetics Holding Corp (HKHC) | Chief Financial Officer | 买入 | 80 | $2,642 |
| 2025-11-21 | Horizon Kinetics Holding Corp (HKHC) | Chief Financial Officer | 买入 | 100 | $2,900 |
| 2025-06-05 | Horizon Kinetics Holding Corp (HKHC) | Chief Financial Officer | 买入 | 20 | $804 |
来源：SEC Form 4 申报文件 · 截至 2026-08-20