GEOSPACE TECHNOLOGIES CORP — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
10-K/A
10-K405
10-Q
10-Q/A
144
3
3/A
4
4/A
424B1
424B3
424B4
8-A12B
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
EFFECT
FWP
NT 10-Q
PRE 14A
S-1
S-1/A
S-3
S-3/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | FORM 8-K | 0001437749-25-000808 | Jan 10, 2025 | Jan 3, 2025 |
| DEF 14A | FORM DEF 14A | 0001437749-24-038442 | Dec 27, 2024 | Feb 6, 2025 |
| DEFA14A | FORM DEFA14A | 0001437749-24-038443 | Dec 27, 2024 | — |
| 3 | FORM 3 | 0001437749-24-037179 | Dec 11, 2024 | Dec 2, 2024 |
| 8-K | FORM 8-K | 0001437749-24-036219 | Nov 26, 2024 | Nov 21, 2024 |
| 4 | FORM 4 | 0001437749-24-036068 | Nov 22, 2024 | Nov 21, 2024 |
| 4 | FORM 4 | 0001437749-24-036067 | Nov 22, 2024 | Nov 21, 2024 |
| 4 | FORM 4 | 0001437749-24-036069 | Nov 22, 2024 | Nov 21, 2024 |
| 10-K | FORM 10-K | 0001437749-24-036050 | Nov 22, 2024 | Sep 30, 2024 |
| 8-K | FORM 8-K | 0001437749-24-035981 | Nov 21, 2024 | — |
| SCHEDULE 13G/A | — | 0001050442-24-000022 | Nov 14, 2024 | — |
| SC 13G | — | 0002012383-24-003670 | Nov 8, 2024 | — |
| SC 13G | — | 0002012383-24-001631 | Oct 22, 2024 | — |
| 4 | FORM 4 | 0001437749-24-030413 | Oct 2, 2024 | Oct 1, 2024 |
| 8-K | FORM 8-K | 0001437749-24-029612 | Sep 19, 2024 | — |
| 10-Q | FORM 10-Q | 0001437749-24-025790 | Aug 9, 2024 | Jun 30, 2024 |
| 8-K | FORM 8-K | 0001437749-24-025605 | Aug 8, 2024 | — |
| 10-K/A | FORM 10-K/A | 0001437749-24-021939 | Jul 2, 2024 | Sep 30, 2022 |
| 10-K/A | FORM 10-K/A | 0001437749-24-021940 | Jul 2, 2024 | Sep 30, 2023 |
| SD | FORM SD | 0001437749-24-017758 | May 21, 2024 | — |
| 10-Q | FORM 10-Q | 0001437749-24-015905 | May 10, 2024 | Mar 31, 2024 |
| 3/A | FORM 3/A | 0001437749-24-015786 | May 9, 2024 | Apr 29, 2024 |
| 8-K | FORM 8-K | 0001437749-24-015735 | May 9, 2024 | — |
| 3 | FORM 3 | 0001437749-24-015748 | May 9, 2024 | Apr 29, 2024 |
| 4 | FORM 4 | 0001437749-24-005699 | Feb 27, 2024 | Feb 22, 2024 |
| 4 | FORM 4 | 0001437749-24-005483 | Feb 26, 2024 | Feb 22, 2024 |
| 4 | FORM 4 | 0001437749-24-004964 | Feb 21, 2024 | Feb 14, 2024 |
| 4/A | FORM 4/A | 0001437749-24-004988 | Feb 21, 2024 | Feb 14, 2024 |
| 144 | — | 0001959173-24-001254 | Feb 21, 2024 | — |
| 144 | — | 0001959173-24-000997 | Feb 14, 2024 | — |
| SC 13G/A | FORM 13G/A GEOS 12-31-23 | 0001050442-24-000006 | Feb 14, 2024 | — |
| SC 13G | SCHEDULE 13G | 0001104659-24-021013 | Feb 13, 2024 | — |
| SC 13G/A | — | 0001398344-24-002392 | Feb 9, 2024 | — |
| 10-Q | FORM 10-Q | 0001437749-24-003520 | Feb 8, 2024 | Dec 31, 2023 |
| 4 | DAVIS 02-07-24 | 0001437749-24-003485 | Feb 8, 2024 | Feb 7, 2024 |
| 4 | MILES 02-07-24 | 0001437749-24-003491 | Feb 8, 2024 | Feb 7, 2024 |
| 4 | GIESINGER 02-07-24 | 0001437749-24-003492 | Feb 8, 2024 | Feb 7, 2024 |
| 4 | ASHWORTH 02-07-24 | 0001437749-24-003493 | Feb 8, 2024 | Feb 7, 2024 |
| 8-K | FORM 8-K | 0001437749-24-003502 | Feb 8, 2024 | — |
| 4 | ASHWORTH 02-07-24 | 0001437749-24-003503 | Feb 8, 2024 | Feb 7, 2024 |
| 4 | OWENS 02-07-24 | 0001437749-24-003519 | Feb 8, 2024 | Feb 7, 2024 |
| 8-K | FORM 8-K | 0001437749-24-003391 | Feb 7, 2024 | — |
| SC 13G/A | TIETON CAPITAL MANAGEMENT 13G/A | 0001381954-24-000004 | Feb 1, 2024 | — |
| DEF 14A | FORM DEF 14A | 0001437749-24-000325 | Jan 3, 2024 | Feb 8, 2024 |
| 3 | FORM 3 | 0001437749-23-035189 | Dec 22, 2023 | Dec 21, 2023 |
| 8-K | FORM 8-K | 0001437749-23-035115 | Dec 21, 2023 | — |
| 4 | FORM 4 SUBMISSION | 0001209191-23-055680 | Nov 17, 2023 | Nov 16, 2023 |
| 4 | FORM 4 SUBMISSION | 0001209191-23-055681 | Nov 17, 2023 | Nov 16, 2023 |
| 4 | FORM 4 SUBMISSION | 0001209191-23-055682 | Nov 17, 2023 | Nov 16, 2023 |
| 8-K | FORM 8-K | 0001437749-23-032405 | Nov 17, 2023 | Nov 16, 2023 |