DIMENSIONAL FUND ADVISORS INC 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 INC | 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 INC | 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 INC | 1,657,714 7.100% |
-139,519 (-7.76%) |
Filing |