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 |
|---|---|---|---|
| S-8 | Employee stock plan registration | Jun 28, 2021 | — |
| S-8 | Employee stock plan registration | Jul 18, 2016 | — |
| S-8 | Employee stock plan registration | Jun 2, 2015 | — |
| S-8 POS | Post-effective amendment to a s-8 registration statement | Feb 12, 2015 | — |
| S-8 | Employee stock plan registration | Feb 6, 2015 | — |
| 424B3 | Prospectus | Dec 31, 2014 | — |
| S-4/A | Filing | Dec 30, 2014 | — |
| S-4/A | Filing | Dec 16, 2014 | — |
| S-4 | Registration for a merger or exchange | Nov 6, 2014 | — |
| S-8 | Employee stock plan registration | Apr 19, 2007 | — |
| 424B4 | Prospectus | Oct 6, 2005 | — |
Showing 11 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)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.