| 2018-07-30 | Sale | Mammoth Energy Services, Inc. TUSK | director | 118,974 0.2787% | $38.01 | $4.52M | -40.07% | |
| 2018-06-29 | Sale | Mammoth Energy Services, Inc. TUSK | 1.24M 3.0913% | $38.01 | $46.97M | -31.63% | ||
| 2016-10-19 | Sale | Mammoth Energy Services, Inc. TUSK | 76,250 0.2076% | $14.06 | $1.07M | +17.54% | ||
| 2014-06-27 | Sale | Diamondback Energy, Inc. FANG | 2M 3.9579% | $89.12 | $178.24M | -15.24% | ||
| 2013-11-18 | Sale | Diamondback Energy, Inc. FANG | 600,000 1.4615% | $51.39 | $30.83M | +37.77% | ||
| 2013-11-13 | Sale | Diamondback Energy, Inc. FANG | 4M 9.2049% | $51.39 | $205.55M | +30.15% | ||
| 2013-07-05 | Sale | Diamondback Energy, Inc. FANG | 565,510 1.1843% | $33.36 | $18.87M | +44.94% | ||
| 2013-06-24 | Sale | Diamondback Energy, Inc. FANG | 3.9M 10.3215% | $33.36 | $130.22M | +60.68% |