DISCIPLINED GROWTH INVESTORS INC 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 |
| 2025-02-14 2:59 pm Sale |
2024-12-31 | 13G | Geospace Technologies Corporation GEOS |
DISCIPLINED GROWTH INVESTORS INC | 1,425,514 11.200% |
-130,526 (-8.39%) |
Filing |
| 2024-11-14 4:24 pm Purchase |
2024-09-30 | 13G | Geospace Technologies Corporation GEOS |
DISCIPLINED GROWTH INVESTORS INC | 1,556,040 12.100% |
65,905 (+4.42%) |
Filing |
| 2024-02-14 12:10 pm Sale |
2023-12-31 | 13G | Geospace Technologies Corporation GEOS |
DISCIPLINED GROWTH INVESTORS INC | 1,490,135 11.190% |
-43,655 (-2.85%) |
Filing |
| 2023-02-14 3:36 pm Purchase |
2022-12-31 | 13G | Geospace Technologies Corporation GEOS |
DISCIPLINED GROWTH INVESTORS INC | 1,533,790 11.780% |
40,878 (+2.74%) |
Filing |
| 2022-02-14 5:34 pm Purchase |
2021-12-31 | 13G | Geospace Technologies Corporation GEOS |
DISCIPLINED GROWTH INVESTORS INC | 1,492,912 11.500% |
136,231 (+10.04%) |
Filing |
| 2021-02-16 5:28 pm Purchase |
2020-12-31 | 13G | Geospace Technologies Corporation GEOS |
DISCIPLINED GROWTH INVESTORS INC | 1,356,681 9.920% |
1,356,681 (New Position) |
Filing |