Aetherion Technologies Inc. SEC filings AETR

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.

Aetherion Technologies Inc. SEC filings
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.

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.