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| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 03/31/2020 | DAWSON GEOPHYSICAL CO | DWSN | 0 | -365,216 | 0 | -877,000 | |
| 12/31/2019 | DAWSON GEOPHYSICAL CO | DWSN | 365,216 | -181,382 | 877,000 | -293,000 | $2.40 |
| 09/30/2019 | DAWSON GEOPHYSICAL CO | DWSN | 546,598 | -286,271 | 1,170,000 | -912,000 | $2.14 |
| 06/30/2019 | DAWSON GEOPHYSICAL CO | DWSN | 832,869 | 0 | 2,082,000 | -358,000 | $2.50 |
| 03/31/2019 | DAWSON GEOPHYSICAL CO | DWSN | 832,869 | 0 | 2,440,000 | -375,000 | $2.93 |
| 12/31/2018 | DAWSON GEOPHYSICAL CO | DWSN | 832,869 | 0 | 2,815,000 | -2,340,000 | $3.38 |
| 09/30/2018 | DAWSON GEOPHYSICAL CO | DWSN | 832,869 | 0 | 5,155,000 | -1,425,000 | $6.19 |
| 06/30/2018 | DAWSON GEOPHYSICAL CO | DWSN | 832,869 | 39,655 | 6,580,000 | 1,234,000 | $7.90 |
| 03/31/2018 | DAWSON GEOPHYSICAL CO | DWSN | 793,214 | -209,515 | 5,346,000 | 362,000 | $6.74 |
| 12/31/2017 | DAWSON GEOPHYSICAL CO | DWSN | 1,002,729 | 194,298 | 4,984,000 | 1,322,000 | $4.97 |
| 09/30/2017 | DAWSON GEOPHYSICAL CO | DWSN | 808,431 | 7,200 | 3,662,000 | 521,000 | $4.53 |
| 06/30/2017 | DAWSON GEOPHYSICAL CO | DWSN | 801,231 | 21,235 | 3,141,000 | -1,196,000 | $3.92 |
| 03/31/2017 | DAWSON GEOPHYSICAL CO | DWSN | 779,996 | 0 | 4,337,000 | -1,934,000 | $5.56 |
| 12/31/2016 | DAWSON GEOPHYSICAL CO | DWSN | 779,996 | 0 | 6,271,000 | 320,000 | $8.04 |
| 09/30/2016 | DAWSON GEOPHYSICAL CO | DWSN | 779,996 | 779,996 | 5,951,000 | 5,951,000 | $7.63 |
| 06/30/2016 | DAWSON GEOPHYSICAL CO | DWSN | 782,856 | 319,260 | 6,380,000 | 4,261,000 | $8.15 |
| 03/31/2016 | DAWSON GEOPHYSICAL CO | DWSN | 463,596 | 463,596 | 2,119,000 | 2,119,000 | $4.57 |
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