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 |
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 |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
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 |