| Insider Name | Buy/Sell | Company Name | Ticker | Amount | Shares Change | |||
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2020 | Sep 17, 2020 | Tobias C Ray EVP COO | Sell | Dawson Geophysical Co | DWSN | $1.75 | $29,055 | -13.65% |
| Mar 10, 2014 | Mar 11, 2014 | Tobias C Ray EVP COO | Sell | Dawson Geophysical Co | DWSN | $28.96 | $72,390 | -7.97% |
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