| 2022-04-11 | Sale | Natural Gas Services Group, Inc. NGS | 500 0.004% | $11.79 | $5,895 | -7.09% | ||
| 2022-04-01 | Sale | Natural Gas Services Group, Inc. NGS | 1,500 0.011% | $10.68 | $16,020 | -6.36% | ||
| 2022-03-29 | Sale | Natural Gas Services Group, Inc. NGS | 2,300 0.0186% | $12.01 | $27,623 | -6.75% | ||
| 2021-09-14 | Sale | Natural Gas Services Group, Inc. NGS | director | 7,000 0.0533% | $9.97 | $69,790 | +14.43% | |
| 2021-08-27 | Sale | Natural Gas Services Group, Inc. NGS | director | 2,515 0.0192% | $9.56 | $24,043 | +19.6% | |
| 2021-08-26 | Sale | Natural Gas Services Group, Inc. NGS | director | 3,485 0.0265% | $9.24 | $32,201 | +23.22% | |
| 2019-12-10 | Sale | Flotek Industries, Inc. FTK | Director, President and CEO | 25,000 0.0431% | $1.78 | $44,500 | -4% | |
| 2019-10-29 | Sale | Flotek Industries, Inc. FTK | Director, President and CEO | 25,000 0.0426% | $2.04 | $51,000 | -19.21% | |
| 2019-08-29 | Sale | Flotek Industries, Inc. FTK | Director, President and CEO | 25,000 0.0416% | $2.18 | $54,500 | -26.13% | |
| 2019-07-02 | Sale | Flotek Industries, Inc. FTK | Director, President and CEO | 24,200 0.0411% | $3.21 | $77,682 | -43.44% | |
| 2019-07-01 | Sale | Flotek Industries, Inc. FTK | Director, President and CEO | 45,800 0.0769% | $3.31 | $151,598 | -45.81% | |
| 2019-01-08 | Sale | Natural Gas Services Group, Inc. NGS | director | 2,500 0.0191% | $18.20 | $45,500 | -15.26% | |
| 2018-05-15 | Flotek Industries, Inc. FTK | Chairman, President and CEO | 33,600 0.0584% | $3.41 | $114,552 | -19.76% | ||
| 2018-03-28 | Sale | Natural Gas Services Group, Inc. NGS | director | 4,511 0.0348% | $23.20 | $104,655 | -9.44% | |
| 2018-03-27 | Sale | Natural Gas Services Group, Inc. NGS | director | 9,569 0.0762% | $24.07 | $230,326 | -9.83% | |
| 2018-03-26 | Sale | Natural Gas Services Group, Inc. NGS | director | 4,110 0.0319% | $24.13 | $99,174 | -12.45% | |
| 2018-03-23 | Sale | Natural Gas Services Group, Inc. NGS | director | 2,750 0.0217% | $24.35 | $66,963 | -11.3% | |
| 2017-12-27 | Sale | Natural Gas Services Group, Inc. NGS | director | 3,900 0.0305% | $26.05 | $101,595 | -12.14% | |
| 2016-12-29 | Sale | Natural Gas Services Group, Inc. NGS | director | 1,100 0.0084% | $31.76 | $34,936 | -18.73% | |
| 2015-08-10 | Sale | Flotek Industries, Inc. FTK | Chairman, President and CEO | 112,000 0.2038% | $18.47 | $2.07M | -37.47% |