DIMENSIONAL FUND ADVISORS LP 13D and 13G filings for Geospace Technologies Corporation:
- 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 |
| 2025-01-23 3:55 pm Purchase | 2024-12-31 | 13G | Geospace Technologies Corporation GEOS | DIMENSIONAL FUND ADVISORS LP | 649,933 5.100% | 105,293 (+19.33%) | Filing |
| 2023-02-10 2:34 pm Sale | 2023-02-14 | 13G | Geospace Technologies Corporation GEOS | DIMENSIONAL FUND ADVISORS LP | 544,640 4.200% | -124,287 (-18.58%) | Filing |
| 2022-02-08 3:52 pm Sale | 2022-02-14 | 13G | Geospace Technologies Corporation GEOS | DIMENSIONAL FUND ADVISORS LP | 668,927 5.200% | -84,889 (-11.26%) | Filing |
| 2021-02-12 3:21 pm Sale | 2021-02-16 | 13G | Geospace Technologies Corporation GEOS | DIMENSIONAL FUND ADVISORS LP | 753,816 5.500% | -41,810 (-5.25%) | Filing |