Aetherion Technologies Inc. SEC filings WPRT
Aetherion Technologies Inc. has 865 filings in SEC EDGAR's recent list, going back to Jun 27, 2006. Its latest annual report, Form 20-F, was filed on Apr 23, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 30, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Oct 30, 2026 | Oct 29, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 29, 2026 | — |
| 424B3 | Prospectus | Oct 16, 2026 | — |
| 424B3 | Prospectus | Oct 16, 2026 | — |
| 6-K | Current report (foreign issuer) | Oct 16, 2026 | Oct 15, 2026 |
| 6-K | Current report (foreign issuer) | Oct 15, 2026 | Oct 15, 2026 |
| D | Filing | Sep 29, 2026 | — |
| 424B3 | Prospectus | Sep 28, 2026 | — |
| EFFECT | Filing | Sep 25, 2026 | — |
| F-1 | Registration statement (foreign issuer) | Sep 18, 2026 | — |
| 424B3 | Prospectus | Sep 16, 2026 | — |
| 6-K | Current report (foreign issuer) | Sep 16, 2026 | Sep 30, 2026 |
| 6-K | Current report (foreign issuer) | Sep 15, 2026 | Sep 14, 2026 |
| EFFECT | Filing | Aug 26, 2026 | — |
| POS AM | Filing | Aug 20, 2026 | — |
| 6-K | Current report (foreign issuer) | Aug 12, 2026 | Aug 11, 2026 |
| 6-K | Current report (foreign issuer) | Aug 11, 2026 | Jun 30, 2026 |
| 6-K | Current report (foreign issuer) | Jul 29, 2026 | Jul 28, 2026 |
| EFFECT | Filing | Jul 27, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 22, 2026 | — |
| F-1 | Registration statement (foreign issuer) | Jul 21, 2026 | — |
| 6-K | Current report (foreign issuer) | Jul 15, 2026 | Jul 15, 2026 |
| 6-K | Current report (foreign issuer) | Jul 2, 2026 | Jun 30, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 29, 2026 | — |
| 6-K | Current report (foreign issuer) | Jun 23, 2026 | Jun 23, 2026 |
| 424B5 | Prospectus supplement | Jun 23, 2026 | — |
| 6-K | Current report (foreign issuer) | Jun 18, 2026 | Jun 18, 2026 |
| 6-K | Current report (foreign issuer) | Jun 4, 2026 | Jun 3, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2026 | — |
| 6-K | Current report (foreign issuer) | May 27, 2026 | May 27, 2026 |
| 6-K | Current report (foreign issuer) | May 21, 2026 | May 21, 2026 |
| 6-K | Current report (foreign issuer) | May 14, 2026 | Mar 31, 2026 |
| 6-K | Current report (foreign issuer) | May 14, 2026 | May 14, 2026 |
| 6-K | Current report (foreign issuer) | May 8, 2026 | May 7, 2026 |
| 6-K | Current report (foreign issuer) | Apr 30, 2026 | Apr 30, 2026 |
| 6-K | Current report (foreign issuer) | Apr 24, 2026 | Apr 23, 2026 |
| 20-F | Annual report (foreign issuer) | Apr 23, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Apr 21, 2026 | Apr 20, 2026 |
| 6-K | Current report (foreign issuer) | Apr 16, 2026 | Apr 15, 2026 |
| 6-K | Current report (foreign issuer) | Apr 2, 2026 | Apr 1, 2026 |
| 6-K | Current report (foreign issuer) | Apr 1, 2026 | Apr 1, 2026 |
| 6-K | Current report (foreign issuer) | Mar 27, 2026 | Mar 27, 2026 |
| 6-K | Current report (foreign issuer) | Mar 20, 2026 | Mar 20, 2026 |
| 6-K | Current report (foreign issuer) | Mar 13, 2026 | Mar 12, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 6, 2026 | — |
| 6-K | Current report (foreign issuer) | Feb 4, 2026 | Feb 4, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 27, 2026 | — |
| 6-K | Current report (foreign issuer) | Jan 20, 2026 | Jan 19, 2026 |
| 6-K | Current report (foreign issuer) | Jan 14, 2026 | Jan 14, 2026 |
| 6-K | Current report (foreign issuer) | Jan 2, 2026 | Jan 2, 2026 |
| 6-K | Current report (foreign issuer) | Nov 21, 2025 | Nov 20, 2025 |
| 6-K | Current report (foreign issuer) | Nov 12, 2025 | Nov 10, 2025 |
| 6-K | Current report (foreign issuer) | Nov 10, 2025 | Sep 30, 2025 |
| 6-K | Current report (foreign issuer) | Nov 6, 2025 | Nov 6, 2025 |
| 6-K | Current report (foreign issuer) | Oct 22, 2025 | Oct 22, 2025 |
| 6-K | Current report (foreign issuer) | Oct 14, 2025 | Oct 14, 2025 |
| 6-K/A | Filing | Oct 1, 2025 | Jun 30, 2025 |
| 144 | Notice of proposed sale | Sep 16, 2025 | — |
| 6-K | Current report (foreign issuer) | Aug 27, 2025 | Aug 26, 2025 |
| EFFECT | Filing | Aug 22, 2025 | — |
| CORRESP | Letter to the SEC | Aug 20, 2025 | — |
| UPLOAD | Letter from the SEC | Aug 20, 2025 | — |
| 6-K | Current report (foreign issuer) | Aug 18, 2025 | Aug 15, 2025 |
| F-3 | Shelf registration (foreign issuer) | Aug 15, 2025 | — |
| 6-K | Current report (foreign issuer) | Aug 12, 2025 | Aug 11, 2025 |
| 6-K | Current report (foreign issuer) | Aug 11, 2025 | Jun 30, 2025 |
| 6-K | Current report (foreign issuer) | Jul 29, 2025 | Jul 29, 2025 |
| 6-K | Current report (foreign issuer) | Jun 26, 2025 | Jun 26, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2025 | — |
| 6-K | Current report (foreign issuer) | May 16, 2025 | May 15, 2025 |
| 6-K | Current report (foreign issuer) | May 13, 2025 | Mar 31, 2025 |
| 6-K | Current report (foreign issuer) | May 13, 2025 | May 13, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 1, 2025 | — |
| 6-K | Current report (foreign issuer) | May 1, 2025 | May 1, 2025 |
| 6-K | Current report (foreign issuer) | May 1, 2025 | Apr 30, 2025 |
| 6-K | Current report (foreign issuer) | Apr 18, 2025 | Apr 17, 2025 |
| 6-K | Current report (foreign issuer) | Apr 10, 2025 | Apr 10, 2025 |
| 6-K | Current report (foreign issuer) | Apr 4, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 31, 2025 | Dec 31, 2024 |
| 40-F | Annual report (Canadian issuer) | Mar 31, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 31, 2025 | Mar 31, 2025 |
| 6-K | Current report (foreign issuer) | Mar 31, 2025 | Mar 31, 2025 |
| 6-K | Current report (foreign issuer) | Mar 19, 2025 | Mar 19, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 11, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 5, 2025 | — |
| 6-K | Current report (foreign issuer) | Jan 22, 2025 | Jan 22, 2025 |
| 6-K | Current report (foreign issuer) | Jan 13, 2025 | Jan 13, 2025 |
| 6-K | Current report (foreign issuer) | Nov 13, 2024 | Nov 12, 2024 |
| 6-K | Current report (foreign issuer) | Nov 12, 2024 | Sep 30, 2024 |
| 6-K | Current report (foreign issuer) | Oct 23, 2024 | Oct 23, 2024 |
| 6-K | Current report (foreign issuer) | Sep 13, 2024 | Sep 13, 2024 |
| SUPPL | Filing | Sep 13, 2024 | — |
| 6-K | Current report (foreign issuer) | Aug 13, 2024 | Aug 13, 2024 |
| 6-K | Current report (foreign issuer) | Aug 13, 2024 | Jun 30, 2024 |
| 6-K | Current report (foreign issuer) | Jul 26, 2024 | Jul 25, 2024 |
| 6-K | Current report (foreign issuer) | Jul 5, 2024 | Jul 5, 2024 |
| 6-K | Current report (foreign issuer) | Jun 26, 2024 | Jun 25, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 17, 2024 | — |
| 6-K | Current report (foreign issuer) | Jun 14, 2024 | Jun 13, 2024 |
| 6-K | Current report (foreign issuer) | Jun 4, 2024 | Jun 3, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 22, 2024 | — |
| 6-K | Current report (foreign issuer) | May 9, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | May 9, 2024 | May 8, 2024 |
| 6-K | Current report (foreign issuer) | May 8, 2024 | Mar 31, 2024 |
| 6-K | Current report (foreign issuer) | Apr 23, 2024 | Apr 23, 2024 |
| 6-K | Current report (foreign issuer) | Apr 11, 2024 | Apr 11, 2024 |
| 6-K | Current report (foreign issuer) | Mar 26, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Mar 26, 2024 | Mar 25, 2024 |
| 40-F | Annual report (Canadian issuer) | Mar 25, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Mar 13, 2024 | Mar 11, 2024 |
| 6-K | Current report (foreign issuer) | Mar 11, 2024 | Mar 11, 2024 |
| 6-K | Current report (foreign issuer) | Mar 5, 2024 | Mar 4, 2024 |
| 6-K | Current report (foreign issuer) | Feb 26, 2024 | Feb 26, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 25, 2024 | — |
| 6-K | Current report (foreign issuer) | Jan 16, 2024 | Jan 16, 2024 |
| 6-K | Current report (foreign issuer) | Dec 19, 2023 | Dec 19, 2023 |
| 6-K | Current report (foreign issuer) | Dec 12, 2023 | Dec 12, 2023 |
| 6-K | Current report (foreign issuer) | Nov 8, 2023 | Nov 7, 2023 |
| 6-K | Current report (foreign issuer) | Nov 7, 2023 | Nov 6, 2023 |
| 6-K | Current report (foreign issuer) | Nov 7, 2023 | Sep 30, 2023 |
| 6-K | Current report (foreign issuer) | Oct 17, 2023 | Oct 17, 2023 |
| 6-K | Current report (foreign issuer) | Oct 10, 2023 | Oct 10, 2023 |
| 6-K | Current report (foreign issuer) | Aug 22, 2023 | Aug 22, 2023 |
| 6-K | Current report (foreign issuer) | Aug 9, 2023 | Aug 8, 2023 |
| 6-K | Current report (foreign issuer) | Aug 8, 2023 | Jun 30, 2023 |
| 6-K | Current report (foreign issuer) | Aug 8, 2023 | Aug 8, 2023 |
| 6-K | Current report (foreign issuer) | Jul 19, 2023 | Jul 19, 2023 |
| 6-K | Current report (foreign issuer) | Jul 17, 2023 | Jul 17, 2023 |
| 6-K | Current report (foreign issuer) | Jun 29, 2023 | Jun 29, 2023 |
| 6-K | Current report (foreign issuer) | Jun 21, 2023 | Jun 21, 2023 |
| 6-K | Current report (foreign issuer) | Jun 8, 2023 | Jun 1, 2023 |
| 6-K | Current report (foreign issuer) | Jun 1, 2023 | Jun 1, 2023 |
| EFFECT | Filing | May 26, 2023 | — |
| F-10/A | Filing | May 18, 2023 | — |
| SD | Specialized disclosure (conflict minerals) | May 11, 2023 | — |
| 6-K | Current report (foreign issuer) | May 8, 2023 | Mar 31, 2023 |
| 6-K | Current report (foreign issuer) | May 8, 2023 | May 8, 2023 |
| 6-K | Current report (foreign issuer) | May 3, 2023 | May 2, 2023 |
| 6-K | Current report (foreign issuer) | May 1, 2023 | May 1, 2023 |
| 6-K | Current report (foreign issuer) | Apr 27, 2023 | Apr 26, 2023 |
| 6-K | Current report (foreign issuer) | Apr 19, 2023 | Apr 19, 2023 |
| 6-K | Current report (foreign issuer) | Apr 17, 2023 | Apr 14, 2023 |
| F-X | Form f-x | Apr 14, 2023 | — |
| F-10 | Form f-10 | Apr 14, 2023 | — |
| 6-K | Current report (foreign issuer) | Apr 6, 2023 | Apr 6, 2023 |
| 6-K/A | Filing | Mar 14, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Mar 13, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Mar 13, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Mar 13, 2023 | Dec 31, 2022 |
| 40-F | Annual report (Canadian issuer) | Mar 13, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Mar 13, 2023 | Mar 13, 2023 |
| 6-K | Current report (foreign issuer) | Mar 6, 2023 | Mar 6, 2023 |
| 6-K | Current report (foreign issuer) | Feb 27, 2023 | Feb 27, 2023 |
| 6-K | Current report (foreign issuer) | Feb 22, 2023 | Feb 22, 2023 |
| 6-K | Current report (foreign issuer) | Feb 15, 2023 | Feb 15, 2023 |
| 6-K | Current report (foreign issuer) | Dec 13, 2022 | Dec 13, 2022 |
| 6-K | Current report (foreign issuer) | Dec 7, 2022 | Dec 7, 2022 |
| 6-K | Current report (foreign issuer) | Nov 29, 2022 | Nov 29, 2022 |
| 6-K | Current report (foreign issuer) | Nov 7, 2022 | Sep 30, 2022 |
| 6-K | Current report (foreign issuer) | Nov 7, 2022 | Nov 7, 2022 |
| 6-K | Current report (foreign issuer) | Nov 7, 2022 | Nov 7, 2022 |
| 6-K | Current report (foreign issuer) | Oct 26, 2022 | Oct 26, 2022 |
| 6-K | Current report (foreign issuer) | Oct 17, 2022 | Oct 17, 2022 |
| 6-K | Current report (foreign issuer) | Sep 30, 2022 | Sep 30, 2022 |
| 6-K | Current report (foreign issuer) | Sep 29, 2022 | Sep 28, 2022 |
| 6-K | Current report (foreign issuer) | Sep 19, 2022 | Sep 16, 2022 |
| 6-K | Current report (foreign issuer) | Aug 29, 2022 | Aug 29, 2022 |
| 6-K | Current report (foreign issuer) | Aug 8, 2022 | Jun 30, 2022 |
| 6-K | Current report (foreign issuer) | Aug 8, 2022 | Aug 8, 2022 |
| 6-K | Current report (foreign issuer) | Jul 18, 2022 | Jul 18, 2022 |
| 6-K | Current report (foreign issuer) | Jul 11, 2022 | Jul 11, 2022 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2022 | — |
| 6-K | Current report (foreign issuer) | May 16, 2022 | May 16, 2022 |
| 6-K | Current report (foreign issuer) | May 6, 2022 | Mar 31, 2022 |
| 6-K | Current report (foreign issuer) | May 6, 2022 | May 6, 2022 |
| 6-K | Current report (foreign issuer) | May 5, 2022 | May 5, 2022 |
| 6-K | Current report (foreign issuer) | Apr 20, 2022 | Apr 20, 2022 |
| 6-K | Current report (foreign issuer) | Mar 30, 2022 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Mar 30, 2022 | Dec 31, 2021 |
| 40-F | Annual report (Canadian issuer) | Mar 14, 2022 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Mar 14, 2022 | Mar 14, 2022 |
| 6-K | Current report (foreign issuer) | Feb 22, 2022 | Feb 22, 2022 |
| 6-K | Current report (foreign issuer) | Feb 17, 2022 | Feb 17, 2022 |
| 6-K | Current report (foreign issuer) | Feb 7, 2022 | Feb 7, 2022 |
| 6-K | Current report (foreign issuer) | Jan 27, 2022 | Jan 27, 2022 |
| 6-K | Current report (foreign issuer) | Jan 25, 2022 | Jan 25, 2022 |
| 6-K | Current report (foreign issuer) | Dec 16, 2021 | Dec 16, 2021 |
| 6-K | Current report (foreign issuer) | Nov 9, 2021 | Nov 8, 2021 |
| 6-K | Current report (foreign issuer) | Nov 8, 2021 | Sep 30, 2021 |
| 6-K | Current report (foreign issuer) | Nov 2, 2021 | Nov 2, 2021 |
| 6-K | Current report (foreign issuer) | Oct 25, 2021 | Oct 25, 2021 |
| 6-K | Current report (foreign issuer) | Sep 20, 2021 | Sep 20, 2021 |
| 6-K/A | Filing | Sep 17, 2021 | Jun 30, 2021 |
| 6-K | Current report (foreign issuer) | Sep 17, 2021 | Sep 17, 2021 |
| 6-K | Current report (foreign issuer) | Aug 6, 2021 | Aug 5, 2021 |
| 6-K | Current report (foreign issuer) | Aug 5, 2021 | Jun 30, 2021 |
| 6-K | Current report (foreign issuer) | Jul 22, 2021 | Jul 22, 2021 |
| 6-K | Current report (foreign issuer) | Jul 7, 2021 | Jul 7, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 9, 2021 | — |
Showing 200 filings, the most recent 200. 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
- Engines & Turbines (SIC 3510)
- Listed as
- AETR (Nasdaq), WPRT (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Alberta, Canada
- Headquarters
- Vancouver
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1370416
- Former names
- WESTPORT FUEL SYSTEMS INC. (until Oct 16, 2026); WESTPORT INNOVATIONS INC (until Jun 1, 2016)
Other Engines & Turbines companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.