| 2022-06-07 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 3,918 0.0325% | $15.00 | $58,770 | -27.43% | |
| 2019-02-05 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 2,720 0.0199% | $17.00 | $46,240 | -20.7% | |
| 2019-02-04 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 12,771 0.0982% | $17.06 | $217,873 | -15.63% | |
| 2019-01-31 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 18 0.0001% | $17.00 | $306 | -8.63% | |
| 2019-01-30 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 348 0.0027% | $17.00 | $5,916 | -10.75% | |
| 2019-01-29 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 4,905 0.0379% | $17.05 | $83,630 | -10.05% | |
| 2019-01-25 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 1,980 0.0151% | $17.14 | $33,937 | -11.22% | |
| 2019-01-24 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 1,205 0.0092% | $17.00 | $20,485 | -10.06% | |
| 2019-01-23 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 1,846 0.0146% | $17.21 | $31,770 | -7.71% | |
| 2019-01-22 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 1,200 0.0092% | $17.48 | $20,976 | -11.63% | |
| 2019-01-18 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 12,444 0.0956% | $17.89 | $222,623 | -13.64% | |
| 2019-01-17 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 10,311 0.0787% | $17.50 | $180,443 | -12.36% | |
| 2018-08-29 | Sale | Natural Gas Services Group, Inc. NGS | CEO | 13,776 0.1062% | $22.01 | $303,210 | -19.36% | |
| 2018-08-27 | Sale | Natural Gas Services Group, Inc. NGS | CEO | 514 0.004% | $22.04 | $11,329 | -18.95% | |
| 2018-08-24 | Sale | Natural Gas Services Group, Inc. NGS | CEO | 1,500 0.0118% | $22.45 | $33,675 | -19.23% | |
| 2018-08-23 | Sale | Natural Gas Services Group, Inc. NGS | CEO | 1,306 0.0101% | $22.51 | $29,398 | -20.45% | |
| 2018-08-21 | Sale | Natural Gas Services Group, Inc. NGS | CEO | 2,704 0.0211% | $22.02 | $59,542 | -17.88% | |
| 2017-12-19 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 16,212 0.1252% | $25.17 | $408,056 | -9.25% | |
| 2017-10-03 | Sale | Natural Gas Services Group, Inc. NGS | CEO | 3,874 0.0303% | $28.58 | $110,719 | -12.46% | |
| 2017-07-03 | Sale | Natural Gas Services Group, Inc. NGS | Chief Executive Officer | 7,157 0.0552% | $24.99 | $178,853 | 0% |