Geospace Technologies Corp SEC filings GEOS
Geospace Technologies Corp has 1,000 filings in SEC EDGAR's recent list, going back to Feb 6, 1998. Its latest annual report, Form 10-K, was filed on Nov 21, 2025 for the period ended Sep 30, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (material agreement, agreement ended, new debt). The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEF 14A | Proxy statement | Dec 23, 2025 | Feb 5, 2026 |
| DEFA14A | Additional proxy material | Dec 23, 2025 | — |
| DEFA14A | Additional proxy material | Dec 27, 2024 | — |
| DEF 14A | Proxy statement | Dec 27, 2024 | Feb 6, 2025 |
| DEF 14A | Proxy statement | Jan 3, 2024 | Feb 8, 2024 |
| DEF 14A | Proxy statement | Jan 4, 2023 | Feb 9, 2023 |
| DEF 14A | Proxy statement | Jan 3, 2022 | Feb 2, 2022 |
| DEF 14A | Proxy statement | Dec 30, 2020 | Feb 4, 2021 |
| DEF 14A | Proxy statement | Jan 6, 2020 | Feb 6, 2020 |
| DEF 14A | Proxy statement | Jan 4, 2019 | Feb 6, 2019 |
| DEF 14A | Proxy statement | Jan 3, 2018 | Feb 7, 2018 |
| DEF 14A | Proxy statement | Dec 28, 2016 | Feb 9, 2017 |
| DEF 14A | Proxy statement | Dec 23, 2015 | Feb 4, 2016 |
| DEF 14A | Proxy statement | Dec 30, 2014 | Feb 12, 2015 |
| PRE 14A | Preliminary proxy statement | Dec 12, 2014 | Feb 12, 2015 |
| DEF 14A | Proxy statement | Dec 11, 2013 | Dec 11, 2013 |
| DEF 14A | Proxy statement | Jul 22, 2013 | Aug 20, 2013 |
| PRE 14A | Preliminary proxy statement | Jul 11, 2013 | Jul 11, 2013 |
| DEFA14A | Additional proxy material | Jul 11, 2013 | — |
| DEF 14A | Proxy statement | Jun 14, 2013 | Jul 16, 2013 |
| PRE 14A | Preliminary proxy statement | Jun 3, 2013 | Jul 9, 2013 |
| DEFA14A | Additional proxy material | Feb 4, 2013 | — |
| DEF 14A | Proxy statement | Jan 4, 2013 | Feb 21, 2013 |
| DEF 14A | Proxy statement | Feb 23, 2012 | Apr 10, 2012 |
| DEF 14A | Proxy statement | Jan 4, 2011 | Feb 24, 2011 |
| DEF 14A | Proxy statement | Jan 5, 2010 | Feb 25, 2010 |
| DEF 14A | Proxy statement | Jan 5, 2009 | Feb 23, 2009 |
| DEF 14A | Proxy statement | Jan 4, 2008 | Feb 28, 2008 |
| DEF 14A | Proxy statement | Jan 5, 2007 | Feb 21, 2007 |
| DEF 14A | Proxy statement | Dec 29, 2005 | Feb 8, 2006 |
| DEF 14A | Proxy statement | Dec 15, 2004 | Feb 8, 2005 |
| DEF 14A | Proxy statement | Dec 3, 2003 | Jan 8, 2004 |
| DEF 14A | Proxy statement | Jan 21, 2003 | Feb 28, 2003 |
| DEF 14A | Proxy statement | Jan 22, 2002 | Feb 27, 2002 |
| DEF 14A | Proxy statement | Dec 29, 2000 | Jan 25, 2001 |
| DEF 14A | Proxy statement | Dec 30, 1999 | Dec 28, 1999 |
| DEF 14A | Proxy statement | Jan 28, 1999 | Mar 1, 1999 |
| PRE 14A | Preliminary proxy statement | Jan 13, 1999 | Mar 1, 1999 |
Showing 38 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Measuring & Controlling Devices, NEC (SIC 3829)
- Listed as
- GEOS (Nasdaq)
- Fiscal year ends
- September 30
- Incorporated in
- TX
- Headquarters
- Houston, TX
- SEC filer status
- Accelerated filer, Smaller reporting company
- SEC CIK
- 1001115
- Former names
- OYO GEOSPACE CORP (until Oct 1, 2012)
Other Measuring & Controlling Devices, NEC companies
- Thermo Fisher Scientific Inc. TMO
- Rockwell Automation, Inc ROK
- Trimble Inc. TRMB
- Onto Innovation Inc. ONTO
- Mirion Technologies, Inc. MIR
- Quantum-Si Inc QSI
- Owlet, Inc. OWLT
- Birchtech Corp. BCHT
Source: SEC EDGAR filings. This is company-reported data, not investment advice.