Dune Oil Corp. SEC filings DUNXF
Dune Oil Corp. has 266 filings in SEC EDGAR's recent list, going back to Jul 21, 2015. Its latest annual report, Form 20-F, was filed on May 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 15, 2021, covering the quarter ended Sep 30, 2021. The most recent current report (Form 6-K) was filed on Sep 1, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | Nov 10, 2021 | — |
| S-4/A | Filing | Oct 27, 2021 | — |
| S-4 | Registration for a merger or exchange | Oct 25, 2021 | — |
| 424B3 | Prospectus | Oct 23, 2015 | — |
| S-4/A | Filing | Oct 14, 2015 | — |
| S-4/A | Filing | Sep 18, 2015 | — |
| S-4 | Registration for a merger or exchange | Jul 21, 2015 | — |
Showing 7 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
- Crude Petroleum & Natural Gas (SIC 1311)
- Listed as
- TRLEF (OTC), DUNXF
- Fiscal year ends
- December 31
- Incorporated in
- British Columbia, Canada
- Headquarters
- Oran, Cankaya, Ankara
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1648636
- Former names
- Trillion Energy International Inc. (until Aug 5, 2026); Park Place Energy Inc. (until Apr 2, 2019)
Other Crude Petroleum & Natural Gas companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.