Who
John M. Gellert
President and CEO
Company insider
Files Form 4 as: President and CEO, SEACOR Marine Holdings; Chief Operating Officer, Seacor Holdings Inc /new/.
In numbers
- Trades disclosed
- 194
- Buys
- 9
- Sells
- 18
- Bought
- $1.9M
- Sold
- $7.2M
- Companies
- 2
- Companies where not an officer
- 0
- First trade
- 1 Mar 2006
- Last trade
- 7 Mar 2026
- Last filed
- 10 Mar 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 7 Mar 2026filed 10 Mar 2026 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code M | —9,562 | filing |
| 7 Mar 2026filed 10 Mar 2026 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code F | $31K4,193 at $7.31 | filing |
| 7 Mar 2026filed 10 Mar 2026 | SMHI SEACOR Marine Holdingsoption or derivative · Marine Shipping | SEC FORM 4 Code M | —9,562 at $0.00 | filing |
| 7 Mar 2026filed 10 Mar 2026 | SMHI SEACOR Marine Holdingsoption or derivative · Marine Shipping | SEC FORM 4 Code M | —9,562 at $0.00 | filing |
| 7 Mar 2026filed 10 Mar 2026 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code M | —9,562 | filing |
| 7 Mar 2026filed 10 Mar 2026 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code F | $31K4,193 at $7.31 | filing |
| 4 Mar 2026filed 5 Mar 2026 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code F | $503K65,932 at $7.63 | filing |
| 4 Mar 2026filed 5 Mar 2026 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code F | $503K65,932 at $7.63 | filing |
| 27 Feb 2026filed 2 Mar 2026 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code A | —87,965 at $0.00 | filing |
| 27 Feb 2026filed 2 Mar 2026 | SMHI SEACOR Marine Holdingsoption or derivative · Marine Shipping | SEC FORM 4 Code A | —42,220 at $0.00 | filing |
| 27 Feb 2026filed 2 Mar 2026 | SMHI SEACOR Marine Holdingsoption or derivative · Marine Shipping | SEC FORM 4 Code A | —42,220 at $0.00 | filing |
| 27 Feb 2026filed 2 Mar 2026 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code A | —87,965 at $0.00 | filing |
| 11 Mar 2025filed 12 Mar 2025 | SMHI SEACOR Marine Holdingsoption or derivative · Marine Shipping | SEC FORM 4 Code M | —58,905 at $0.00 | filing |
| 11 Mar 2025filed 12 Mar 2025 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code G | —10,153 at $0.00 | filing |
| 11 Mar 2025filed 12 Mar 2025 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code M | —58,905 | filing |
| 11 Mar 2025filed 12 Mar 2025 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code F | $131K25,860 at $5.08 | filing |
| 7 Mar 2025filed 12 Mar 2025 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code G | —7,027 at $0.00 | filing |
| 4 Mar 2025filed 5 Mar 2025 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code F | $343K65,205 at $5.26 | filing |
| 28 Feb 2025filed 4 Mar 2025 | SMHI SEACOR Marine Holdingsoption or derivative · Marine Shipping | SEC FORM 4 Code A | —80,285 at $0.00 | filing |
| 28 Feb 2025filed 4 Mar 2025 | SMHI SEACOR Marine HoldingsMarine Shipping | SEC FORM 4 Code A | —183,084 at $0.00 | filing |
News
Reviewing SEACOR Marine (NYSE:SMHI) & Mammoth Energy Services (NASDAQ:TUSK)SMHI · themarketsdaily.com · 21 Oct 2026SEACOR Marine (NYSE:SMHI) and Mammoth Energy Services (NASDAQ:TUSK) Financial ReviewSMHI · tickerreport.com · 15 Oct 2026
0 headlines in the last 90 days name John M. Gellert; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.