Dimensional Fund Advisors LP 13D and 13G filings for Dawson Geophysical Company:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2023-02-10 2:42 pm Sale | 2023-02-14 | 13G | Dawson Geophysical Company DWSN | Dimensional Fund Advisors LP | 1,940 0.000% | -1,522,001 (-99.87%) | Filing |
| 2022-02-08 3:52 pm Sale | 2022-02-14 | 13G | Dawson Geophysical Company DWSN | Dimensional Fund Advisors LP | 1,523,941 6.400% | -133,773 (-8.07%) | Filing |
| 2021-02-12 4:38 pm Sale | 2021-02-16 | 13G | Dawson Geophysical Company DWSN | Dimensional Fund Advisors LP | 1,657,714 7.100% | -139,519 (-7.76%) | Filing |