The largest purchase of all time was on 2019-03-13 and amounted to 13000 shares of Dawson Geophysical Company for $40,526.
The largest sale of all time was on 2016-06-03 and amounted to 10386 shares of Dawson Geophysical Company for $77,687.
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| 2019-03-13 | Dawson Geophysical Company DWSN | EVP, Chief Technical Officer | 13,000 0.0562% | $3.12 | $40,526 | -23.1% | ||
| 2016-11-15 | Sale | Dawson Geophysical Company DWSN | EVP, Chief Technical Officer | 6,696 0.0288% | $7.65 | $51,224 | -37.63% | |
| 2016-11-14 | Sale | Dawson Geophysical Company DWSN | EVP, Chief Technical Officer | 3,304 0.0149% | $7.65 | $25,276 | -34.8% | |
| 2016-06-03 | Sale | Dawson Geophysical Company DWSN | EVP, Chief Technical Officer | 10,386 0.0471% | $7.48 | $77,687 | +2.34% | |
| 2016-06-02 | Sale | Dawson Geophysical Company DWSN | EVP, Chief Technical Officer | 276 0.0012% | $7.48 | $2,064 | -0.13% |