Gellert John M (CIK 1292966) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-10). Recent activity: Buy SMHI (9,562 shares), Sell SMHI (4,193 shares), Sell SMHI (65,932 shares), Buy SMHI (87,965 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-10 | SEACOR Marine Holdings Inc. (SMHI) | President and CEO | Buy | 9,562 | $0 |
| 2026-03-10 | SEACOR Marine Holdings Inc. (SMHI) | President and CEO | Sell | 4,193 | $30,651 |
| 2026-03-05 | SEACOR Marine Holdings Inc. (SMHI) | President and CEO | Sell | 65,932 | $503,061 |
| 2026-03-02 | SEACOR Marine Holdings Inc. (SMHI) | President and CEO | Buy | 87,965 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-03-10