SLUITER MICHAEL (CIK 1761731) reported 12 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-01). Recent activity: Buy GPOR (1,307 shares), Sell GPOR (2,055 shares), Buy GPOR (2,397 shares), Sell GPOR (838 shares), Sell GPOR (9,933 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-01 | GULFPORT ENERGY CORP (GPOR) | SVP of Reservoir Engineering | Buy | 1,307 | $0 |
| 2026-03-06 | GULFPORT ENERGY CORP (GPOR) | SVP of Reservoir Engineering | Sell | 2,055 | $437,920 |
| 2026-03-03 | GULFPORT ENERGY CORP (GPOR) | SVP of Reservoir Engineering | Buy | 2,397 | $0 |
| 2026-03-03 | GULFPORT ENERGY CORP (GPOR) | SVP of Reservoir Engineering | Sell | 838 | $174,857 |
| 2026-03-03 | GULFPORT ENERGY CORP (GPOR) | SVP of Reservoir Engineering | Sell | 9,933 | $2.1M |
| 2026-03-03 | GULFPORT ENERGY CORP (GPOR) | SVP of Reservoir Engineering | Sell | 894 | $186,962 |
| 2026-01-06 | GULFPORT ENERGY CORP (GPOR) | SVP of Reservoir Engineering | Buy | 17,847 | $0 |
| 2026-01-06 | GULFPORT ENERGY CORP (GPOR) | SVP of Reservoir Engineering | Sell | 7,914 | $1.6M |
| 2025-05-14 | GULFPORT ENERGY CORP (GPOR) | SVP of Reservoir Engineering | Sell | 2,571 | $509,058 |
| 2025-03-04 | GULFPORT ENERGY CORP (GPOR) | SVP of Reservoir Engineering | Buy | 2,592 | $0 |
| 2025-03-04 | GULFPORT ENERGY CORP (GPOR) | SVP of Reservoir Engineering | Sell | 485 | $82,353 |
| 2025-03-04 | GULFPORT ENERGY CORP (GPOR) | SVP of Reservoir Engineering | Sell | 895 | $151,971 |
Source: SEC Form 4 filings · as of 2026-06-01