SEC Form 4 · Updated Daily
GPOR
— GULFPORT ENERGY CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| REINHART JOHN K. | Director · Officer | 76,164 | 2026-03-01 | F |
| Cutt Timothy J. | Director | 29,513 | 2026-05-28 | A |
| DELL'OSSO DOMENIC J JR | Director · Officer | 24,349 | 2026-08-07 | P |
| HODGES MICHAEL L | Officer | 16,993 | 2026-04-03 | F |
| Rucker Matthew | Officer | 14,447 | 2026-03-03 | F |
| Craine Patrick K. | Officer | 11,060 | 2026-03-05 | S |
| SLUITER MICHAEL | Officer | 10,338 | 2026-05-28 | A |
| Zitkus Lester | Officer | 5,948 | 2026-03-24 | S |
| Wolf David D | Director | 5,490 | 2026-05-28 | A |
| Martinez Jason Joseph | Director | 4,916 | 2026-05-28 | A |
| Shafer-Malicki Mary | Director | 4,164 | 2026-05-28 | A |
| Powers Jean Marie | Director | 4,129 | 2026-05-28 | A |
| Willrath Matthew | Officer | 2,130 | 2026-09-02 | S |
| Secrist Bradley Neil | Officer | 1,900 | 2026-08-07 | F |
| MULE EDWARD A | 10%+ Owner · Director | 1,028 | 2026-05-28 | A |
| Silver Point Capital L.P. | 10%+ Owner · Director | 1,028 | 2026-05-28 | A |
| O'Shea Robert J | 10%+ Owner · Director | 1,028 | 2026-05-28 | A |
| Reganato David A | Director | 1,028 | 2026-05-28 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-02 | Willrath Matthew | Open-market sale | 325 | $182.69 | 2,130 |
| 2026-08-07 | DELL'OSSO DOMENIC J JR | Open-market buy | 1,600 | $160.61 | 24,349 |
| 2026-08-07 | Secrist Bradley Neil | Tax withholding | 132 | $158.45 | 1,900 |
| 2026-05-28 | Wolf David D | Grant / award | 1,028 | $0.00 | 5,490 |
| 2026-05-28 | Shafer-Malicki Mary | Grant / award | 1,028 | $0.00 | 4,164 |
| 2026-05-28 | Powers Jean Marie | Grant / award | 1,028 | $0.00 | 4,129 |
| 2026-05-28 | Martinez Jason Joseph | Grant / award | 1,028 | $0.00 | 4,916 |
| 2026-05-28 | DELL'OSSO DOMENIC J JR | Grant / award | 22,749 | $0.00 | 22,749 |
| 2026-05-28 | SLUITER MICHAEL | Grant / award | 1,307 | $0.00 | 10,338 |
| 2026-05-28 | Cutt Timothy J. | Grant / award | 1,028 | $0.00 | 29,513 |
| 2026-05-28 | Reganato David A | Grant / award | 1,028 | $0.00 | 1,028 |
| 2026-05-28 | O'Shea Robert J | Grant / award | 1,028 | $0.00 | 1,028 |
| 2026-05-28 | MULE EDWARD A | Grant / award | 1,028 | $0.00 | 1,028 |
| 2026-05-28 | Silver Point Capital L.P. | Grant / award | 1,028 | $0.00 | 1,028 |
| 2026-05-26 | Willrath Matthew | Tax withholding | 134 | $178.22 | 2,455 |
| 2026-04-03 | HODGES MICHAEL L | Tax withholding | 1,480 | $207.00 | 16,993 |
| 2026-04-02 | Martinez Jason Joseph | Open-market sale | 400 | $213.40 | 3,888 |
| 2026-03-24 | Zitkus Lester | Open-market sale | 1,873 | $213.90 | 5,948 |
| 2026-03-09 | Cutt Timothy J. | Grant / award | 4,730 | $0.00 | 28,485 |
| 2026-03-05 | SLUITER MICHAEL | Open-market sale | 2,055 | $213.10 | 9,031 |
| 2026-03-05 | Willrath Matthew | Open-market sale | 497 | $215.28 | 2,589 |
| 2026-03-05 | Craine Patrick K. | Open-market sale | 1,000 | $210.25 | 11,060 |
| 2026-03-05 | Craine Patrick K. | Open-market sale | 1,000 | $207.93 | 12,060 |
| 2026-03-04 | Cutt Timothy J. | Open-market sale | 2,500 | $209.13 | 23,755 |
| 2026-03-03 | Rucker Matthew | Tax withholding | 966 | $209.13 | 14,447 |
| 2026-03-03 | Craine Patrick K. | Tax withholding | 1,073 | $209.13 | 13,060 |
| 2026-03-03 | SLUITER MICHAEL | Tax withholding | 894 | $209.13 | 11,086 |
| 2026-03-03 | O'Shea Robert J | Open-market sale | 84,416 | $204.22 | 2,605,729 |
| 2026-03-03 | MULE EDWARD A | Open-market sale | 84,416 | $204.22 | 2,605,729 |
| 2026-03-03 | Silver Point Capital L.P. | Open-market sale | 84,416 | $204.22 | 2,605,729 |
| 2026-03-02 | Cutt Timothy J. | Open-market sale | 500 | $211.05 | 26,255 |
| 2026-03-02 | Cutt Timothy J. | Open-market sale | 2,152 | $209.44 | 26,755 |
| 2026-03-02 | Cutt Timothy J. | Open-market sale | 2,348 | $207.58 | 28,907 |
| 2026-03-02 | HODGES MICHAEL L | Open-market sale | 1,639 | $213.48 | 18,473 |
| 2026-03-02 | HODGES MICHAEL L | Open-market sale | 1,824 | $212.24 | 20,112 |
| 2026-03-02 | HODGES MICHAEL L | Open-market sale | 3,601 | $211.40 | 21,936 |
| 2026-03-02 | HODGES MICHAEL L | Open-market sale | 2,299 | $210.46 | 25,537 |
| 2026-03-02 | HODGES MICHAEL L | Open-market sale | 7,406 | $209.43 | 27,836 |
| 2026-03-02 | SLUITER MICHAEL | Open-market sale | 9,933 | $210.00 | 11,980 |
| 2026-03-02 | O'Shea Robert J | Open-market sale | 759,740 | $204.22 | 2,690,145 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.