Dawson Geophysical Co SEC filings DWSN
Dawson Geophysical Co has 1,000 filings in SEC EDGAR's recent list, going back to Nov 29, 2004. Its latest annual report, Form 10-K, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 13, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEF 14A | Proxy statement | Apr 30, 2025 | Jun 17, 2025 |
| DEFA14A | Additional proxy material | May 16, 2024 | — |
| DEF 14A | Proxy statement | Apr 29, 2024 | Jun 18, 2024 |
| DEF 14A | Proxy statement | Nov 8, 2023 | Nov 30, 2023 |
| PRE 14A | Preliminary proxy statement | Oct 27, 2023 | Oct 27, 2023 |
| DEF 14A | Proxy statement | Aug 28, 2023 | Sep 13, 2023 |
| PRE 14A | Preliminary proxy statement | Jun 29, 2023 | Jun 29, 2023 |
| DEF 14A | Proxy statement | Dec 9, 2022 | Dec 20, 2022 |
| DEFM14A | Filing | Feb 22, 2022 | — |
| PREM14A | Filing | Nov 23, 2021 | Nov 23, 2021 |
| DEF 14A | Proxy statement | Apr 1, 2021 | May 11, 2021 |
| DEF 14A | Proxy statement | Apr 24, 2020 | Jun 9, 2020 |
| DEF 14A | Proxy statement | Mar 18, 2019 | Apr 30, 2019 |
| DEF 14A | Proxy statement | Mar 22, 2018 | May 1, 2018 |
| DEF 14A | Proxy statement | Mar 22, 2017 | May 2, 2017 |
| DEF 14A | Proxy statement | Mar 25, 2016 | May 5, 2016 |
| DEF 14A | Proxy statement | Apr 30, 2015 | Jun 2, 2015 |
| DEFA14A | Additional proxy material | Jan 15, 2015 | — |
| DEF 14A | Proxy statement | Apr 30, 2014 | Jun 3, 2014 |
| DEF 14A | Proxy statement | Apr 30, 2013 | Jun 4, 2013 |
| PRE 14A | Preliminary proxy statement | Apr 19, 2013 | Jun 4, 2013 |
| DEF 14A | Proxy statement | Apr 24, 2012 | Jun 5, 2012 |
| DEF 14A | Proxy statement | Nov 18, 2011 | Dec 16, 2011 |
| DEF 14A | Proxy statement | Apr 23, 2010 | Jun 11, 2010 |
| DEF 14A | Proxy statement | Apr 28, 2009 | Jun 2, 2009 |
| DEF 14A | Proxy statement | Apr 25, 2008 | Jun 3, 2008 |
| DEF 14A | Proxy statement | Apr 30, 2007 | Jun 5, 2007 |
| DEF 14A | Proxy statement | Apr 21, 2006 | Jun 6, 2006 |
| DEF 14A | Proxy statement | Apr 29, 2005 | Jun 7, 2005 |
Showing 29 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
- Oil & Gas Field Exploration Services (SIC 1382)
- Listed as
- DWSN (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- TX
- Headquarters
- Midland, TX
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 799165
- Former names
- TGC INDUSTRIES INC (until Feb 11, 2015)
Other Oil & Gas Field Exploration Services companies
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- ReoStar Energy CORP REOS
Source: SEC EDGAR filings. This is company-reported data, not investment advice.