Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-06-17 Purchase | 2026-06-22 4:26 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | WEXFORD CAPITAL LP Wexford GP LLC DAVIDSON CHARLES E JACOBS JOSEPH Chief Business Officer 10% Owner | 4,019,574 | $2.6043 | $10,468,177 | 19,499,386 (Indirect Direct) | View |
| 2022-06-16 Purchase | 2022-06-21 4:32 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | WEXFORD CAPITAL LP Wexford GP LLC DAVIDSON CHARLES E JACOBS JOSEPH Director 10% Owner | 45,382 | $2.1369 | $96,977 | 22,434,125 (Indirect) | View |
| 2022-06-13 Purchase | 2022-06-15 4:37 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | WEXFORD CAPITAL LP Wexford GP LLC DAVIDSON CHARLES E JACOBS JOSEPH Director 10% Owner | 50,802 | $2.3099 | $117,346 | 22,388,743 (Indirect) | View |
| 2022-06-08 Purchase | 2022-06-10 4:34 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | WEXFORD CAPITAL LP Wexford GP LLC DAVIDSON CHARLES E JACOBS JOSEPH Director 10% Owner | 97,768 | $2.4689 | $241,381 | 22,337,941 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-06-17 Other | 2026-06-22 4:26 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | WEXFORD CAPITAL LP Wexford GP LLC DAVIDSON CHARLES E JACOBS JOSEPH Chief Business Officer 10% Owner | 7,427,563 | $0 | 19,499,386 (Direct) | View |
| 2026-06-17 Other | 2026-06-22 4:18 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | DAVIDSON CHARLES E CD Holding Company LLC 10% Owner | 6,470,441 | $0 | 12,940,882 (Direct) | View |
| 2024-03-13 Other | 2024-03-14 4:43 pm | N/A N/A | NEPHROS INC | NEPH | WEXFORD CAPITAL LP Wexford GP LLC DAVIDSON CHARLES E JACOBS JOSEPH 10% Owner | 91,463 | $0 | 3,692,015 (Direct) | View |
| 2024-03-12 Other | 2024-03-14 4:22 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | WEXFORD CAPITAL LP Wexford GP LLC DAVIDSON CHARLES E JACOBS JOSEPH Director 10% Owner | 535,366 | $0 | 22,566,238 (Indirect) | View |