| Filed | Form | Filer | Stake | Shares | |
|---|---|---|---|---|---|
| 2018-01-12 | SC | Wilks Brothers, LLC | — | — | view → |
| Filed | Form | Issuer | Stake | Shares | |
|---|---|---|---|---|---|
| 2022-01-14 | SC | DAWSON GEOPHYSICAL CO DWSN | — | — | view → |
| 2021-10-25 | SC | DAWSON GEOPHYSICAL CO DWSN | — | — | view → |
| 2019-07-09 | SC | CARBO CERAMICS INC | — | — | view → |
| 2018-01-12 | SC | Approach Resources Inc | — | — | view → |
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