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 |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Sep 1, 2026 | Aug 31, 2026 |
| 6-K | Current report (foreign issuer) | Aug 5, 2026 | Aug 4, 2026 |
| D | Filing | Jul 30, 2026 | — |
| 6-K | Current report (foreign issuer) | Jul 15, 2026 | Jul 9, 2026 |
| 6-K | Current report (foreign issuer) | Jul 15, 2026 | Jun 30, 2026 |
| 6-K/A | Filing | Jun 30, 2026 | Jun 30, 2026 |
| 6-K | Current report (foreign issuer) | Jun 11, 2026 | Jun 9, 2026 |
| 6-K | Current report (foreign issuer) | Jun 11, 2026 | May 4, 2026 |
| 6-K | Current report (foreign issuer) | Jun 11, 2026 | Jun 4, 2026 |
| 6-K | Current report (foreign issuer) | Jun 11, 2026 | May 26, 2026 |
| 6-K | Current report (foreign issuer) | Jun 11, 2026 | May 21, 2026 |
| 6-K | Current report (foreign issuer) | Jun 11, 2026 | May 15, 2026 |
| 6-K | Current report (foreign issuer) | Jun 1, 2026 | May 31, 2026 |
| 20-F | Annual report (foreign issuer) | May 27, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | May 11, 2026 | May 4, 2026 |
| 6-K | Current report (foreign issuer) | May 11, 2026 | May 1, 2026 |
| 6-K | Current report (foreign issuer) | May 11, 2026 | Apr 27, 2026 |
| NT 20-F | Filing | May 4, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Apr 24, 2026 | Apr 21, 2026 |
| 6-K | Current report (foreign issuer) | Apr 24, 2026 | Apr 17, 2026 |
| 6-K | Current report (foreign issuer) | Apr 14, 2026 | Apr 14, 2026 |
| 6-K | Current report (foreign issuer) | Apr 13, 2026 | Apr 10, 2026 |
| 6-K | Current report (foreign issuer) | Apr 1, 2026 | Mar 31, 2026 |
| 6-K | Current report (foreign issuer) | Mar 30, 2026 | Mar 27, 2026 |
| 6-K | Current report (foreign issuer) | Dec 1, 2025 | Dec 1, 2025 |
| 6-K | Current report (foreign issuer) | Nov 17, 2025 | Nov 14, 2025 |
| 6-K | Current report (foreign issuer) | Aug 29, 2025 | Aug 28, 2025 |
| 6-K | Current report (foreign issuer) | May 30, 2025 | May 30, 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 |
| NT 20-F | Filing | May 1, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Apr 28, 2025 | Apr 25, 2025 |
| 6-K | Current report (foreign issuer) | Apr 25, 2025 | Apr 25, 2025 |
| 6-K | Current report (foreign issuer) | Mar 18, 2025 | Mar 18, 2025 |
| 6-K | Current report (foreign issuer) | Feb 27, 2025 | Feb 27, 2025 |
| 6-K | Current report (foreign issuer) | Feb 13, 2025 | Feb 13, 2025 |
| 6-K | Current report (foreign issuer) | Jan 6, 2025 | Jan 6, 2025 |
| 6-K | Current report (foreign issuer) | Jan 6, 2025 | Jan 3, 2025 |
| 6-K | Current report (foreign issuer) | Jan 3, 2025 | Jan 2, 2025 |
| UPLOAD | Letter from the SEC | Dec 11, 2024 | — |
| 20-F/A | Amended annual report (foreign issuer) | Dec 9, 2024 | Dec 31, 2023 |
| CORRESP | Letter to the SEC | Dec 3, 2024 | — |
| 6-K | Current report (foreign issuer) | Nov 29, 2024 | Nov 27, 2024 |
| CORRESP | Letter to the SEC | Nov 15, 2024 | — |
| 6-K | Current report (foreign issuer) | Nov 4, 2024 | Nov 4, 2024 |
| CORRESP | Letter to the SEC | Oct 23, 2024 | — |
| CORRESP | Letter to the SEC | Oct 22, 2024 | — |
| 6-K | Current report (foreign issuer) | Oct 7, 2024 | Oct 7, 2024 |
| 6-K | Current report (foreign issuer) | Oct 3, 2024 | Apr 30, 2024 |
| UPLOAD | Letter from the SEC | Oct 2, 2024 | — |
| CORRESP | Letter to the SEC | Sep 10, 2024 | — |
| 6-K | Current report (foreign issuer) | Sep 10, 2024 | Sep 10, 2024 |
| 6-K | Current report (foreign issuer) | Aug 29, 2024 | Aug 29, 2024 |
| 6-K | Current report (foreign issuer) | Aug 27, 2024 | Aug 26, 2024 |
| UPLOAD | Letter from the SEC | Aug 20, 2024 | — |
| 6-K | Current report (foreign issuer) | Jul 3, 2024 | May 31, 2024 |
| 6-K | Current report (foreign issuer) | May 30, 2024 | May 29, 2024 |
| 20-F | Annual report (foreign issuer) | May 7, 2024 | Dec 31, 2023 |
| NT 20-F | Filing | May 1, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Mar 15, 2024 | Mar 14, 2024 |
| 6-K | Current report (foreign issuer) | Jan 25, 2024 | Jan 24, 2024 |
| 6-K | Current report (foreign issuer) | Dec 12, 2023 | Dec 12, 2023 |
| 6-K | Current report (foreign issuer) | Nov 30, 2023 | Nov 29, 2023 |
| 6-K | Current report (foreign issuer) | Oct 6, 2023 | Oct 5, 2023 |
| 6-K | Current report (foreign issuer) | Aug 25, 2023 | Jun 30, 2023 |
| 6-K | Current report (foreign issuer) | Aug 23, 2023 | Aug 23, 2023 |
| 6-K | Current report (foreign issuer) | Aug 2, 2023 | Jul 31, 2023 |
| 6-K | Current report (foreign issuer) | Aug 2, 2023 | Aug 2, 2023 |
| 20-F/A | Amended annual report (foreign issuer) | Jun 6, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | May 30, 2023 | Mar 31, 2023 |
| 20-F | Annual report (foreign issuer) | May 2, 2023 | Dec 31, 2022 |
| NT 20-F | Filing | May 2, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Apr 6, 2023 | Apr 6, 2023 |
| 6-K | Current report (foreign issuer) | Mar 27, 2023 | Mar 24, 2023 |
| 6-K | Current report (foreign issuer) | Mar 27, 2023 | Mar 24, 2023 |
| 6-K | Current report (foreign issuer) | Feb 3, 2023 | Feb 2, 2023 |
| 6-K | Current report (foreign issuer) | Feb 2, 2023 | Jan 31, 2023 |
| 6-K | Current report (foreign issuer) | Jan 25, 2023 | Jan 25, 2023 |
| 6-K | Current report (foreign issuer) | Jan 10, 2023 | Jan 10, 2023 |
| 6-K | Current report (foreign issuer) | Dec 20, 2022 | Dec 20, 2022 |
| 6-K | Current report (foreign issuer) | Dec 12, 2022 | Dec 12, 2022 |
| 6-K | Current report (foreign issuer) | Nov 29, 2022 | Sep 30, 2022 |
| 6-K | Current report (foreign issuer) | Nov 28, 2022 | Nov 28, 2022 |
| 6-K | Current report (foreign issuer) | Nov 23, 2022 | Nov 23, 2022 |
| 6-K | Current report (foreign issuer) | Oct 27, 2022 | Oct 26, 2022 |
| 6-K | Current report (foreign issuer) | Oct 21, 2022 | Oct 21, 2022 |
| 6-K | Current report (foreign issuer) | Oct 4, 2022 | Oct 4, 2022 |
| 6-K | Current report (foreign issuer) | Sep 7, 2022 | Sep 7, 2022 |
| 6-K | Current report (foreign issuer) | Aug 24, 2022 | Aug 24, 2022 |
| 6-K | Current report (foreign issuer) | Aug 24, 2022 | Jun 30, 2022 |
| 6-K | Current report (foreign issuer) | Aug 15, 2022 | Aug 12, 2022 |
| 6-K | Current report (foreign issuer) | Jul 8, 2022 | Jul 6, 2022 |
| D | Filing | Jul 8, 2022 | — |
| 6-K | Current report (foreign issuer) | Jun 30, 2022 | Jun 29, 2022 |
| 6-K/A | Filing | Jun 21, 2022 | Mar 31, 2022 |
| 6-K | Current report (foreign issuer) | May 31, 2022 | Mar 31, 2022 |
| 6-K | Current report (foreign issuer) | May 26, 2022 | May 26, 2022 |
| 20-F | Annual report (foreign issuer) | May 2, 2022 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Apr 5, 2022 | Apr 5, 2022 |
| D | Filing | Apr 1, 2022 | — |
| 6-K | Current report (foreign issuer) | Jan 31, 2022 | Jan 31, 2022 |
| 8-K |
Current report
Unregistered share sale
|
Nov 18, 2021 | Nov 10, 2021 |
| 10-Q | Quarterly report | Nov 15, 2021 | Sep 30, 2021 |
| DEF 14A | Proxy statement | Nov 12, 2021 | Nov 10, 2021 |
| 424B5 | Prospectus supplement | Nov 10, 2021 | — |
| EFFECT | Filing | Nov 4, 2021 | — |
| CORRESP | Letter to the SEC | Nov 2, 2021 | — |
| UPLOAD | Letter from the SEC | Nov 1, 2021 | — |
| S-4/A | Filing | Oct 27, 2021 | — |
| S-4 | Registration for a merger or exchange | Oct 25, 2021 | — |
| 8-K |
Current report
Unregistered share sale
|
Aug 27, 2021 | Aug 6, 2021 |
| 10-Q | Quarterly report | Aug 17, 2021 | Jun 30, 2021 |
| NT 10-Q | Filing | Aug 17, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jul 22, 2021 | Jul 21, 2021 |
| DEFA14A | Additional proxy material | Jul 14, 2021 | — |
| 8-K |
Current report
Other events
|
Jul 14, 2021 | Jul 14, 2021 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jul 13, 2021 | Jul 7, 2021 |
| 8-K |
Current report
Unregistered share sale
|
Jul 8, 2021 | Jun 28, 2021 |
| DEF 14A | Proxy statement | Jun 8, 2021 | Jun 8, 2021 |
| PRE 14A | Preliminary proxy statement | May 24, 2021 | May 24, 2021 |
| 10-Q | Quarterly report | May 17, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Unregistered share sale
|
Apr 28, 2021 | Apr 23, 2021 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Apr 26, 2021 | Mar 31, 2021 |
| NT 10-K | Filing | Apr 1, 2021 | Dec 31, 2020 |
| 10-K | Annual report | Apr 1, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Mar 12, 2021 | Mar 8, 2021 |
| 8-K |
Current report
Unregistered share sale
|
Jan 20, 2021 | Dec 17, 2020 |
| 10-Q | Quarterly report | Nov 16, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Unregistered share sale
|
Sep 10, 2020 | Sep 4, 2020 |
| 10-Q | Quarterly report | Aug 14, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Unregistered share sale
|
Aug 7, 2020 | Aug 3, 2020 |
| 10-Q/A | Amended quarterly report | Jul 10, 2020 | Mar 31, 2020 |
| 10-Q | Quarterly report | Jun 29, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Unregistered share sale
|
Jun 25, 2020 | Jun 19, 2020 |
| 10-K | Annual report | May 15, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Other events
|
May 15, 2020 | May 14, 2020 |
| 8-K |
Current report
Other events
|
Apr 14, 2020 | Apr 14, 2020 |
| NT 10-K | Filing | Mar 27, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Other events
|
Feb 11, 2020 | Feb 3, 2020 |
| 10-Q | Quarterly report | Nov 25, 2019 | Sep 30, 2019 |
| NT 10-Q | Filing | Nov 18, 2019 | Sep 30, 2019 |
| 8-K/A |
Amended current report
Material agreement, Unregistered share sale, Officer or director change, Other events
|
Oct 18, 2019 | Sep 20, 2019 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Officer or director change, Other events
|
Oct 16, 2019 | Sep 20, 2019 |
| 10-Q | Quarterly report | Aug 29, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Auditor change
|
Aug 16, 2019 | Aug 16, 2019 |
| 10-Q/A | Amended quarterly report | Jun 28, 2019 | Mar 31, 2019 |
| 10-Q | Quarterly report | Jun 25, 2019 | Mar 31, 2019 |
| NT 10-Q | Filing | May 16, 2019 | Mar 31, 2019 |
| 10-K | Annual report | Apr 16, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Bylaw or fiscal year change, Regulation FD disclosure, Other events
|
Apr 11, 2019 | Apr 10, 2019 |
| NT 10-K | Form nt 10-k | Apr 2, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Jan 15, 2019 | Dec 31, 2018 |
| 10-Q | Quarterly report | Nov 15, 2018 | Sep 30, 2018 |
| NT 10-Q | Filing | Nov 15, 2018 | Sep 30, 2018 |
| 10-Q | Quarterly report | Oct 9, 2018 | Jun 30, 2018 |
| 10-Q | Quarterly report | Sep 18, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Unregistered share sale
|
Sep 11, 2018 | Aug 20, 2018 |
| 10-K | Annual report | Aug 10, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Unregistered share sale
|
Jun 26, 2018 | Jun 20, 2018 |
| 8-K |
Current report
Unregistered share sale
|
Mar 15, 2018 | Feb 28, 2018 |
| 8-K |
Current report
Acquisition or sale of assets, Unregistered share sale
|
Feb 21, 2018 | Feb 8, 2018 |
| 10-Q | Quarterly report | Jan 18, 2018 | Sep 30, 2017 |
| NT 10-Q | Filing | Nov 15, 2017 | Sep 30, 2017 |
| 10-Q/A | Amended quarterly report | Oct 10, 2017 | Jun 30, 2017 |
| 10-Q | Quarterly report | Oct 4, 2017 | Jun 30, 2017 |
| NT 10-Q | Filing | Aug 17, 2017 | Jun 30, 2017 |
| 8-K |
Current report
Officer or director change
|
Jul 31, 2017 | Jul 31, 2017 |
| 10-Q | Quarterly report | Jun 13, 2017 | Mar 31, 2017 |
| NT 10-Q | Filing | May 15, 2017 | Mar 31, 2017 |
| 10-K/A | Amended annual report | Apr 10, 2017 | Dec 31, 2016 |
| 10-K | Annual report | Mar 30, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale
|
Jan 23, 2017 | Jan 17, 2017 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Jan 20, 2017 | Nov 3, 2016 |
| 10-Q | Quarterly report | Dec 12, 2016 | Sep 30, 2016 |
| 8-K |
Current report
Material agreement
|
Nov 29, 2016 | Nov 21, 2016 |
| NT 10-Q | Filing | Nov 14, 2016 | Sep 30, 2016 |
| 10-Q | Quarterly report | Aug 19, 2016 | Jun 30, 2016 |
| NT 10-Q | Filing | Aug 15, 2016 | Jun 30, 2016 |
| 10-Q | Quarterly report | May 13, 2016 | Mar 31, 2016 |
| 10-K | Annual report | Apr 14, 2016 | Dec 31, 2015 |
| NT 10-K | Filing | Mar 30, 2016 | Dec 31, 2015 |
| 8-K |
Current report
Material agreement
|
Dec 23, 2015 | Dec 22, 2015 |
| 8-A12G | Filing | Nov 13, 2015 | — |
| EFFECT | Filing | Oct 23, 2015 | — |
| 424B3 | Prospectus | 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 | — |
| S-4/A | Filing | 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 | — |
| S-4/A | Filing | Sep 18, 2015 | — |
| UPLOAD | Letter from the SEC | Aug 12, 2015 | — |
| S-4 | Registration for a merger or exchange | Jul 21, 2015 | — |
Showing 195 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.