GEOSPACE TECHNOLOGIES CORP - GEOS
All tracked SEC files for this issuer. Showing up to 200 latest records.
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Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 15
Latest filed: May 15, 2026
| Form | Count |
|---|---|
| 4 | 6 |
| 8-K | 4 |
| SCHEDULE 13G/A | 3 |
| SCHEDULE 13G | 2 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| May 15, 2026 | SCHEDULE 13G/A | — | 0001050442-26-000015 | View |
| May 07, 2026 | 8-K | May 07, 2026 | 0001437749-26-015666 | View |
| Apr 29, 2026 | SCHEDULE 13G | — | 0002100119-26-000533 | View |
| Apr 06, 2026 | 8-K | Apr 02, 2026 | 0001437749-26-011402 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | — | 0000102909-26-001309 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | — | 0001050442-26-000005 | View |
| Feb 09, 2026 | 4 | Feb 09, 2026 | 0001437749-26-003429 | View |
| Feb 09, 2026 | 4 | Feb 09, 2026 | 0001437749-26-003430 | View |
| Feb 09, 2026 | 4 | Feb 09, 2026 | 0001437749-26-003431 | View |
| Feb 09, 2026 | 4 | Feb 09, 2026 | 0001437749-26-003433 | View |
| Feb 09, 2026 | 4 | Feb 09, 2026 | 0001437749-26-003435 | View |
| Feb 09, 2026 | 4 | Feb 09, 2026 | 0001437749-26-003437 | View |
| Feb 05, 2026 | 8-K | Feb 05, 2026 | 0001437749-26-003153 | View |
| Feb 04, 2026 | 8-K | Feb 04, 2026 | 0001437749-26-003016 | View |
| Jan 30, 2026 | SCHEDULE 13G | — | 0000102909-26-000214 | View |