| 2019-10-31 | U.S. Silica Holdings, Inc. SLCA | director | 10,000 0.0137% | $4.46 | $44,624 | -16.99% | ||
| 2017-12-20 | U.S. Silica Holdings, Inc. SLCA | director | 600 0.0007% | $31.16 | $18,696 | -16.3% | ||
| 2014-12-30 | U.S. Silica Holdings, Inc. SLCA | director | 5,000 0.0095% | $25.41 | $127,050 | +1.31% | ||
| 2008-05-08 | Sale | Halliburton Company HAL | Senior VP - BD/Marketing | 11,840 0.0006% | $19.97 | $236,391 | -58.1% | |
| 2008-05-07 | Sale | Halliburton Company HAL | Senior VP - BD/Marketing | 3,000 0.0003% | $46.73 | $140,190 | -56.87% |