CN ENERGY GROUP. INC. SEC EDGAR Filings (CIK 0001780785)

SEC EDGAR filings, ownership reports, and insider transactions for CN ENERGY GROUP. INC..

Symbol
CNEY on Nasdaq
Industry
Industrial Organic Chemicals (Industrial Applications And Services)
Business address
Building 2 B, Room 206, No. 268 Shiniu Road, Liandu District, Lishui City, China, 323010
State of incorporation
Virgin Islands, British
Fiscal year end
30 September
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CN ENERGY GROUP. INC. has filed 119 SEC EDGAR filings since 30 Sep 2019

Latest Filings

Recent SEC filings for CN ENERGY GROUP. INC. including 20-F, 6-K, F-3 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F FORM 20-F 30 Jan 2026 30 Sep 2025 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 23 Jan 2026 23 Jan 2026 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 22 Jan 2026 22 Jan 2026 001-39978
F-3 Open F-3 document | Open XBRL data View SEC filing for F-3 FORM F-3 22 Dec 2025 333-292319
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 01 Dec 2025 005-93277
SCHEDULE 13D Open SCHEDULE 13D document View SEC filing for SCHEDULE 13D 25 Nov 2025 005-93277
F-1/A Open F-1/A document | Open XBRL data View SEC filing for F-1/A FORM F-1/A 29 Oct 2025 333-288429
6-K Open 6-K document | Open XBRL data View SEC filing for 6-K FORM 6-K 29 Sep 2025 31 Mar 2025 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Aug 2025 14 Aug 2025 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 11 Aug 2025 08 Aug 2025 001-39978
F-3 Open F-3 document View SEC filing for F-3 F-3 30 Jun 2025 333-288429
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 20 Jun 2025 20 Jun 2025 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 06 Jun 2025 06 Jun 2025 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 19 May 2025 19 May 2025 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 15 May 2025 15 May 2025 001-39978
6-K/A Open 6-K/A document View SEC filing for 6-K/A FORM 6-K/A 30 Apr 2025 30 Apr 2025 001-39978
6-K/A Open 6-K/A document View SEC filing for 6-K/A FORM 6-K/A 29 Apr 2025 02 Apr 2025 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 10 Apr 2025 09 Apr 2025 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 02 Apr 2025 02 Apr 2025 001-39978
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F FORM 20-F 18 Feb 2025 30 Sep 2024 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 05 Feb 2025 05 Feb 2025 001-39978
NT 20-F Open NT 20-F document View SEC filing for NT 20-F NT 20-F 31 Jan 2025 30 Sep 2024 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 10 Jan 2025 08 Jan 2025 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 08 Jan 2025 07 Jan 2025 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 19 Dec 2024 19 Dec 2024 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 05 Dec 2024 05 Dec 2024 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 04 Dec 2024 04 Dec 2024 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 17 Oct 2024 11 Oct 2024 001-39978
424B5 Open 424B5 document View SEC filing for 424B5 424B5 11 Oct 2024 333-264579
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 11 Oct 2024 11 Oct 2024 001-39978
6-K Open 6-K document | Open XBRL data View SEC filing for 6-K FORM 6-K 30 Sep 2024 31 Mar 2024 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 26 Sep 2024 26 Sep 2024 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 19 Sep 2024 19 Sep 2024 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 12 Sep 2024 11 Sep 2024 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 30 May 2024 29 May 2024 001-39978
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 20 May 2024 005-93277
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 16 May 2024 16 May 2024 001-39978
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 26 Apr 2024 005-93277
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 25 Apr 2024 005-93277
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 16 Feb 2024 16 Feb 2024 001-39978
20-F/A Open 20-F/A document View SEC filing for 20-F/A FORM 20-F/A 16 Feb 2024 30 Sep 2023 001-39978
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F FORM 20-F 15 Feb 2024 30 Sep 2023 001-39978
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D-A 14 Feb 2024 005-93277
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 02 Feb 2024 02 Feb 2024 001-39978
NT 20-F Open NT 20-F document View SEC filing for NT 20-F NT 20-F 31 Jan 2024 30 Sep 2023 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 17 Jan 2024 17 Jan 2024 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 03 Jan 2024 03 Jan 2024 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 04 Dec 2023 04 Dec 2023 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Sep 2023 15 Sep 2023 001-39978
6-K Open 6-K document | Open XBRL data View SEC filing for 6-K FORM 6-K 28 Aug 2023 31 Mar 2023 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 11 Aug 2023 11 Aug 2023 001-39978
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 01 Aug 2023 005-93277
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 21 Jul 2023 21 Jul 2023 001-39978
SC 13G Open SC 13G document View SEC filing for SC 13G NONE 03 May 2023 005-93277
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 10 Mar 2023 10 Mar 2023 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 03 Mar 2023 03 Mar 2023 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 16 Feb 2023 16 Feb 2023 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 01 Feb 2023 01 Feb 2023 001-39978
424B5 Open 424B5 document View SEC filing for 424B5 424B5 31 Jan 2023 333-264579
424B5 Open 424B5 document View SEC filing for 424B5 424B5 30 Jan 2023 333-264579
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 27 Jan 2023 27 Jan 2023 001-39978
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 27 Jan 2023 30 Sep 2022 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 03 Jan 2023 03 Jan 2023 001-39978
424B5 Open 424B5 document View SEC filing for 424B5 424B5 30 Dec 2022 333-264579
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Nov 2022 18 Nov 2022 001-39978
424B5 Open 424B5 document View SEC filing for 424B5 424B5 13 Oct 2022 333-264579
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 06 Oct 2022 06 Oct 2022 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 03 Oct 2022 03 Oct 2022 001-39978
424B5 Open 424B5 document View SEC filing for 424B5 424B5 03 Oct 2022 333-264579
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 26 Sep 2022 26 Sep 2022 001-39978
6-K Open 6-K document | Open XBRL data View SEC filing for 6-K 6-K 31 Aug 2022 31 Mar 2022 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 25 Jul 2022 25 Jul 2022 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 01 Jul 2022 01 Jul 2022 001-39978
EFFECT Open EFFECT document View SEC filing for EFFECT 13 Jun 2022 333-264579
CORRESP Open CORRESP document View SEC filing for CORRESP 09 Jun 2022
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 06 Jun 2022 06 Jun 2022 001-39978
CORRESP Open CORRESP document View SEC filing for CORRESP 31 May 2022
F-3/A Open F-3/A document View SEC filing for F-3/A F-3/A 31 May 2022 333-264579
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 13 May 2022
F-3 Open F-3 document View SEC filing for F-3 FORM F-3 29 Apr 2022 333-264579
SC 13D Open SC 13D document View SEC filing for SC 13D 20 Apr 2022 005-93277
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 11 Apr 2022 11 Apr 2022 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 04 Apr 2022 04 Apr 2022 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 17 Mar 2022 17 Mar 2022 001-39978
SC 13G Open SC 13G document View SEC filing for SC 13G 18 Feb 2022 005-93277
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 15 Feb 2022 30 Sep 2021 001-39978
NT 20-F Open NT 20-F document View SEC filing for NT 20-F NT 20-F 28 Jan 2022 30 Sep 2021 001-39978
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 26 Jan 2022 005-93277
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 26 Jan 2022 005-93277
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 26 Jan 2022 005-93277
RW Open RW document View SEC filing for RW REGISTRATION WITHDRAWAL 29 Dec 2021 333-259451
F-1/A Open F-1/A document View SEC filing for F-1/A F-1/A 13 Oct 2021 333-259451
F-1 Open F-1 document View SEC filing for F-1 F-1 10 Sep 2021 333-259451
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 27 Aug 2021 27 Aug 2021 001-39978
DRS Open DRS document View SEC filing for DRS 30 Jun 2021 377-05119
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 11 Jun 2021 11 Jun 2021 001-39978
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 May 2021 14 May 2021 001-39978
6-K Open 6-K document View SEC filing for 6-K 6-K 17 Feb 2021 17 Feb 2021 001-39978
6-K Open 6-K document View SEC filing for 6-K 6-K 09 Feb 2021 09 Feb 2021 001-39978
424B4 Open 424B4 document View SEC filing for 424B4 424B4 05 Feb 2021 333-239659
EFFECT Open EFFECT document View SEC filing for EFFECT 04 Feb 2021 333-239659
CERT Open CERT document View SEC filing for CERT 8A CERT 03 Feb 2021 001-39978
CORRESP Open CORRESP document View SEC filing for CORRESP 01 Feb 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 01 Feb 2021
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 01 Feb 2021 001-39978
CORRESP Open CORRESP document View SEC filing for CORRESP 25 Jan 2021
F-1/A Open F-1/A document View SEC filing for F-1/A F-1/A 25 Jan 2021 333-239659
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 25 Jan 2021
F-1/A Open F-1/A document View SEC filing for F-1/A F-1/A 15 Jan 2021 333-239659
FWP Open FWP document View SEC filing for FWP FREE WRITING PROSPECTUS 18 Dec 2020 333-239659
F-1/A Open F-1/A document View SEC filing for F-1/A F-1/A 25 Nov 2020 333-239659
F-1 Open F-1 document View SEC filing for F-1 F-1 02 Jul 2020 333-239659
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 01 May 2020
DRS/A Open DRS/A document View SEC filing for DRS/A 01 May 2020 377-02852
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 04 Feb 2020
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 21 Jan 2020
DRS/A Open DRS/A document View SEC filing for DRS/A 21 Jan 2020 377-02852
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 30 Oct 2019
DRS Open DRS document View SEC filing for DRS 30 Sep 2019 377-02852

About this filer

CN ENERGY GROUP. INC. files with the SEC under CIK 0001780785. This page aggregates EDGAR filings and related ownership activity.

Industry: Industrial Organic Chemicals.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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