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 |
|---|---|---|---|
| D | Filing | Jul 30, 2026 | — |
| NT 20-F | Filing | May 4, 2026 | Dec 31, 2025 |
| NT 20-F | Filing | May 1, 2025 | Dec 31, 2024 |
| UPLOAD | Letter from the SEC | Dec 11, 2024 | — |
| CORRESP | Letter to the SEC | Dec 3, 2024 | — |
| CORRESP | Letter to the SEC | Nov 15, 2024 | — |
| CORRESP | Letter to the SEC | Oct 23, 2024 | — |
| CORRESP | Letter to the SEC | Oct 22, 2024 | — |
| UPLOAD | Letter from the SEC | Oct 2, 2024 | — |
| CORRESP | Letter to the SEC | Sep 10, 2024 | — |
| UPLOAD | Letter from the SEC | Aug 20, 2024 | — |
| NT 20-F | Filing | May 1, 2024 | Dec 31, 2023 |
| NT 20-F | Filing | May 2, 2023 | Dec 31, 2022 |
| D | Filing | Jul 8, 2022 | — |
| D | Filing | Apr 1, 2022 | — |
| EFFECT | Filing | Nov 4, 2021 | — |
| CORRESP | Letter to the SEC | Nov 2, 2021 | — |
| UPLOAD | Letter from the SEC | Nov 1, 2021 | — |
| NT 10-Q | Filing | Aug 17, 2021 | Jun 30, 2021 |
| NT 10-K | Filing | Apr 1, 2021 | Dec 31, 2020 |
| NT 10-K | Filing | Mar 27, 2020 | Dec 31, 2019 |
| NT 10-Q | Filing | Nov 18, 2019 | Sep 30, 2019 |
| NT 10-Q | Filing | May 16, 2019 | Mar 31, 2019 |
| NT 10-K | Form nt 10-k | Apr 2, 2019 | Dec 31, 2018 |
| NT 10-Q | Filing | Nov 15, 2018 | Sep 30, 2018 |
| NT 10-Q | Filing | Nov 15, 2017 | Sep 30, 2017 |
| NT 10-Q | Filing | Aug 17, 2017 | Jun 30, 2017 |
| NT 10-Q | Filing | May 15, 2017 | Mar 31, 2017 |
| NT 10-Q | Filing | Nov 14, 2016 | Sep 30, 2016 |
| NT 10-Q | Filing | Aug 15, 2016 | Jun 30, 2016 |
| NT 10-K | Filing | Mar 30, 2016 | Dec 31, 2015 |
| 8-A12G | Filing | Nov 13, 2015 | — |
| EFFECT | Filing | Oct 23, 2015 | — |
| CORRESP | Letter to the SEC | Oct 21, 2015 | — |
| CORRESP | Letter to the SEC | Oct 15, 2015 | — |
| CORRESP | Letter to the SEC | Oct 14, 2015 | — |
| CORRESP | Letter to the SEC | Oct 5, 2015 | — |
| UPLOAD | Letter from the SEC | Sep 30, 2015 | — |
| CORRESP | Letter to the SEC | Sep 18, 2015 | — |
| UPLOAD | Letter from the SEC | Aug 12, 2015 | — |
Showing 40 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.