Real time Form 13D and 13G transaction reports:
- 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.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-05-15 4:15 pm Sale | 2026-03-31 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | DISCIPLINED GROWTH INVESTORS INC /MN | 1,101,426 8.500% | -30,142 (-2.66%) | Filing History |
| 2026-04-29 6:46 pm Purchase | 2026-03-31 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | VANGUARD CAPITAL MANAGEMENT LLC | 658,123 5.100% | 658,123 (New Position) | Filing History |
| 2026-03-26 6:35 pm Sale | 2026-03-13 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | VANGUARD GROUP INC | 0 0.000% | -648,222 (Position Closed) | Filing History |
| 2026-02-17 4:32 pm Sale | 2025-12-31 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | DISCIPLINED GROWTH INVESTORS INC /MN | 1,131,568 8.800% | -22,021 (-1.91%) | Filing History |
| 2026-01-30 2:20 pm Purchase | 2025-12-31 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | VANGUARD GROUP INC | 648,222 5.020% | 13,759 (+2.17%) | Filing History |
| 2025-11-14 3:50 pm Sale | 2025-09-30 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | DISCIPLINED GROWTH INVESTORS INC /MN | 1,153,589 9.000% | -91,180 (-7.33%) | Filing History |
| 2025-10-30 3:19 pm Sale | 2025-09-30 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | VANGUARD GROUP INC | 634,463 4.940% | -31,522 (-4.73%) | Filing History |
| 2025-10-09 1:48 pm Sale | 2025-09-30 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | DIMENSIONAL FUND ADVISORS LP | 628,404 4.900% | -21,529 (-3.31%) | Filing History |
| 2025-08-14 7:20 pm Sale | 2025-06-30 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | DISCIPLINED GROWTH INVESTORS INC /MN | 1,244,769 9.700% | -23,561 (-1.86%) | Filing History |
| 2025-07-17 7:54 pm Sale | 2025-06-30 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | BlackRock, Inc. BLK | 341,602 2.700% | -544,862 (-61.46%) | Filing History |
| 2025-05-15 4:15 pm Sale | 2025-03-31 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | DISCIPLINED GROWTH INVESTORS INC /MN | 1,268,330 9.900% | -157,184 (-11.03%) | Filing History |
| 2025-02-14 2:59 pm Sale | 2024-12-31 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | DISCIPLINED GROWTH INVESTORS INC /MN | 1,425,514 11.200% | -130,526 (-8.39%) | Filing History |
| 2025-02-11 11:44 am Purchase | 2024-12-31 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | Tieton Capital Management, LLC | 885,687 6.900% | 152,805 (+20.85%) | Filing History |
| 2025-01-23 3:55 pm Purchase | 2024-12-31 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | DIMENSIONAL FUND ADVISORS LP | 649,933 5.100% | 105,293 (+19.33%) | Filing History |
| 2024-11-14 4:24 pm Purchase | 2024-09-30 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | DISCIPLINED GROWTH INVESTORS INC /MN | 1,556,040 12.100% | 65,905 (+4.42%) | Filing History |
| 2024-11-08 2:17 pm Unchanged | 2024-09-30 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | BlackRock, Inc. BLK | 886,464 6.900% | 0 (Unchanged) | Filing History |
| 2024-10-22 6:06 pm Purchase | 2024-09-30 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | BlackRock, Inc. BLK | 886,464 6.900% | 590,624 (+199.64%) | Filing History |
| 2024-02-14 12:10 pm Sale | 2023-12-31 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | DISCIPLINED GROWTH INVESTORS INC /MN | 1,490,135 11.190% | -43,655 (-2.85%) | Filing History |
| 2024-02-13 5:06 pm Purchase | 2023-12-29 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | VANGUARD GROUP INC | 665,985 5.050% | 78,289 (+13.32%) | Filing History |
| 2024-02-09 09:00 am Sale | 2024-01-31 | 13G | GEOSPACE TECHNOLOGIES CORP COM GEOS | Gate City Capital Management, LLC | 0 0.000% | -974,158 (Position Closed) | Filing History |