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 |
2022-11-11 Sale | 2022-11-14 4:23 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | SMITH ARTHUR L Director | 20,000 | $7.0662 | $141,324 | 163,368 (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 |
2022-03-10 Sale | 2022-03-11 4:31 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | Layton Mark E. CFO and Secretary | 40,417 | $2.0369 | $82,325 | 455,360 (Direct) | View |
2021-12-13 Purchase | 2021-12-14 4:07 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | SMITH ARTHUR L Director | 25,000 | $2 | $50,000 | 180,326 (Direct) | View |
2021-03-11 Sale | 2021-03-11 5:44 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | Layton Mark E. CFO and Secretary | 55,789 | $5.2158 | $290,984 | 495,777 (Direct) | View |
2021-03-09 Sale | 2021-03-11 5:43 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | Straehla Arty Chief Executive Officer | 148,990 | $5.3432 | $796,077 | 1,333,119 (Indirect Direct) | View |
2020-11-10 Sale | 2020-11-13 4:10 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | Straehla Arty Chief Executive Officer | 5,000 | $1.7759 | $8,880 | 1,482,109 (Indirect Direct) | View |
2020-09-04 Purchase | 2020-09-08 4:08 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | SMITH ARTHUR L Director | 20,000 | $1.29 | $25,800 | 129,685 (Direct) | View |
2019-11-20 Purchase | 2019-11-22 5:35 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | WEXFORD CAPITAL LP Wexford Catalyst Trading LTD Wexford Spectrum Trading LTD MEH SUB LLC Wexford GP LLC DAVIDSON CHARLES E JACOBS JOSEPH Director 10% Owner | 16,692 | $1.3281 | $22,169 | 22,045,273 (Indirect) | View |
2019-11-21 Sale | 2019-11-22 4:07 pm | MAMMOTH ENERGY SERVICES INC. | TUSK | Ross Matthew Director | 2,913 | $1.4402 | $4,195 | 19,815 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2023-06-07 Option Award | 2023-06-08 5:06 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Amron Arthur H Director | 23,810 | $0 | 23,810 (Direct) | View |
2023-06-07 Option Award | 2023-06-08 5:05 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Jacobi Paul M. Director | 23,810 | $0 | 23,810 (Direct) | View |
2023-06-07 Option Award | 2023-06-08 5:04 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Booker Corey J. Director | 23,810 | $0 | 148,731 (Direct) | View |
2023-06-07 Option Award | 2023-06-08 5:03 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Palm James D Director | 23,810 | $0 | 212,288 (Direct) | View |
2023-06-07 Option Award | 2023-06-08 5:03 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | SMITH ARTHUR L Director | 23,810 | $0 | 187,178 (Direct) | View |
2023-03-03 Tax Withholding | 2023-03-07 4:03 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Straehla Arty Chief Executive Officer | 129,220 | $5.55 | 1,203,899 (Direct) | View |
2023-03-03 Tax Withholding | 2023-03-07 4:01 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Layton Mark E. CFO and Secretary | 36,375 | $5.55 | 418,985 (Direct) | View |
2022-06-29 Option Award | 2022-06-30 4:15 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | SMITH ARTHUR L Director | 45,662 | $0 | 183,368 (Direct) | View |
2022-06-29 Option Award | 2022-06-30 4:15 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Palm James D Director | 45,662 | $0 | 188,478 (Direct) | View |
2022-06-29 Option Award | 2022-06-30 4:14 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Jacobi Paul M. Director | 45,662 | $0 | 45,662 (Direct) | View |
2022-06-29 Option Award | 2022-06-30 4:13 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Booker Corey J. Director | 45,662 | $0 | 124,921 (Direct) | View |
2022-06-29 Option Award | 2022-06-30 4:12 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Amron Arthur H Director | 45,662 | $0 | 45,662 (Direct) | View |
2021-08-12 Ownership | 2022-02-14 4:07 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | SMITH ARTHUR L Director | 42,620 | $0 | 137,706 (Direct) | View |
Ownership | 2021-07-12 4:04 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | GPOR Distribution Trust 10% Owner | 0 | $0 | 9,829,548 (Direct) | View |
2021-06-02 Option Award | 2021-06-04 4:55 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | SMITH ARTHUR L Director | 25,641 | $0 | 155,326 (Direct) | View |
2021-06-02 Option Award | 2021-06-04 4:54 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Booker Corey J. Director | 25,641 | $0 | 79,259 (Direct) | View |
2021-06-02 Option Award | 2021-06-04 4:53 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Jacobi Paul M. Director | 25,641 | $0 | 25,641 (Direct) | View |
2021-06-02 Option Award | 2021-06-04 4:52 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Palm James D Director | 25,641 | $0 | 142,816 (Direct) | View |
2021-06-02 Option Award | 2021-06-04 4:50 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | AMRON ARTHUR H Director | 25,641 | $0 | 25,641 (Direct) | View |
2020-08-17 Option Award | 2020-08-19 4:26 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Booker Corey J. Director | 53,618 | $0 | 53,618 (Direct) | View |
2020-07-02 Option Award | 2020-07-07 4:30 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Jacobi Paul M. Director | 86,957 | $0 | 86,957 (Direct) | View |
2020-07-02 Option Award | 2020-07-07 4:28 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | AMRON ARTHUR H Director | 86,957 | $0 | 86,957 (Direct) | View |
2020-07-02 Option Award | 2020-07-07 4:02 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | SMITH ARTHUR L Director | 86,957 | $0 | 109,685 (Direct) | View |
2020-07-02 Option Award | 2020-07-07 4:01 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Palm James D Director | 86,957 | $0 | 117,175 (Direct) | View |
2020-03-03 Option Award | 2020-03-04 4:24 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Straehla Arty Chief Executive Officer | 1,300,000 | $0 | 1,487,109 (Direct) | View |
2020-03-03 Option Award | 2020-03-04 4:21 pm | N/A N/A | MAMMOTH ENERGY SERVICES INC. | TUSK | Layton Mark E. CFO and Secretary | 500,000 | $0 | 551,566 (Direct) | View |