Dune Oil Corp. SEC filings TRLEF
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 |
|---|---|---|---|
| 20-F | Annual report (foreign issuer) | May 27, 2026 | Dec 31, 2025 |
| 20-F/A | Amended annual report (foreign issuer) | May 15, 2025 | Dec 31, 2024 |
| 20-F | Annual report (foreign issuer) | May 1, 2025 | Dec 31, 2024 |
| 20-F/A | Amended annual report (foreign issuer) | Dec 9, 2024 | Dec 31, 2023 |
| 20-F | Annual report (foreign issuer) | May 7, 2024 | Dec 31, 2023 |
| 20-F/A | Amended annual report (foreign issuer) | Jun 6, 2023 | Dec 31, 2022 |
| 20-F | Annual report (foreign issuer) | May 2, 2023 | Dec 31, 2022 |
| 20-F | Annual report (foreign issuer) | May 2, 2022 | Dec 31, 2021 |
| 10-K | Annual report | Apr 1, 2021 | Dec 31, 2020 |
| 10-K | Annual report | May 15, 2020 | Dec 31, 2019 |
| 10-K | Annual report | Apr 16, 2019 | Dec 31, 2018 |
| 10-K | Annual report | Aug 10, 2018 | Dec 31, 2017 |
| 10-K/A | Amended annual report | Apr 10, 2017 | Dec 31, 2016 |
| 10-K | Annual report | Mar 30, 2017 | Dec 31, 2016 |
| 10-K | Annual report | Apr 14, 2016 | Dec 31, 2015 |
Showing 15 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.