Zhong Yuan Bio-Technology Holdings Ltd SEC EDGAR Filings (CIK 0001672886)

SEC EDGAR filings, ownership reports, and insider transactions for Zhong Yuan Bio-Technology Holdings Ltd.

Industry
Medicinal Chemicals & Botanical Products (Office Of Life Sciences)
Business address
Suite 901, Tesbury Centre,, 28 Queen's Road East, Wanchai, Hong Kong, 00000
State of incorporation
Cayman Islands
Fiscal year end
31 March
Former names
CHINA BIOTECH HOLDINGS Ltd (del) (to 25 Oct 2018), CHINA BIOTECH Co CORP (to 16 Mar 2017), Agate Island Acquisition Corp (to 02 Mar 2017)
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Zhong Yuan Bio-Technology Holdings Ltd has filed 118 SEC EDGAR filings since 02 May 2016

Latest Filings

Recent SEC filings for Zhong Yuan Bio-Technology Holdings Ltd including NT 20-F, 20-F, 6-K and more.

Form type Document Filing Description Filing date Reporting date File number(s)
NT 20-F Open NT 20-F document View SEC filing for NT 20-F NOTIFICATION OF LATE FILING 31 Jul 2025 31 Mar 2025 001-41851
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F FORM 20-F 07 Nov 2024 31 Mar 2024 001-41851
NT 20-F Open NT 20-F document View SEC filing for NT 20-F NOTIFICATION OF LATE FILING 01 Aug 2024 31 Mar 2024 001-41851
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Jun 2024 04 Jun 2024 001-41851
F-1/A Open F-1/A document | Open XBRL data View SEC filing for F-1/A FORM F-1/A 20 May 2024 333-268025
F-1/A Open F-1/A document | Open XBRL data View SEC filing for F-1/A FORM F-1/A 26 Mar 2024 333-268025
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 25 Mar 2024 25 Mar 2024 001-41851
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 07 Mar 2024 005-89500
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 07 Mar 2024 005-89500
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 25 Jan 2024 005-89500
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 25 Jan 2024 005-89500
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 24 Jan 2024 005-89500
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 24 Jan 2024 005-89500
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 24 Jan 2024 005-89500
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 24 Jan 2024 005-89500
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 24 Jan 2024 005-89500
F-1/A Open F-1/A document | Open XBRL data View SEC filing for F-1/A FORM F-1/A 13 Nov 2023 333-268025
8-A12B Open 8-A12B document View SEC filing for 8-A12B FORM 8-A12B 26 Oct 2023 001-41851
F-1/A Open F-1/A document | Open XBRL data View SEC filing for F-1/A FORM F-1/A 06 Oct 2023 333-268025
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Sep 2023 14 Sep 2023 000-55631
F-1/A Open F-1/A document | Open XBRL data View SEC filing for F-1/A FORM F-1/A 22 Aug 2023 333-268025
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F FORM 20-F 27 Jul 2023 31 Mar 2023 000-55631
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 28 Jun 2023 16 Jun 2023 000-55631
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 11 May 2023 04 May 2023 000-55631
F-1/A Open F-1/A document | Open XBRL data View SEC filing for F-1/A FORM F-1/A 04 Apr 2023 333-268025
F-1/A Open F-1/A document | Open XBRL data View SEC filing for F-1/A FORM F-1/A 20 Mar 2023 333-268025
F-1/A Open F-1/A document | Open XBRL data View SEC filing for F-1/A FORM F-1/A 01 Mar 2023 333-268025
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 13 Feb 2023 10 Feb 2023 000-55631
F-1/A Open F-1/A document | Open XBRL data View SEC filing for F-1/A FORM F-1 13 Dec 2022 333-268025
F-1/A Open F-1/A document | Open XBRL data View SEC filing for F-1/A FORM F-1 25 Nov 2022 333-268025
F-1 Open F-1 document | Open XBRL data View SEC filing for F-1 FORM F-1 27 Oct 2022 333-268025
20-F/A Open 20-F/A document | Open XBRL data View SEC filing for 20-F/A FORM 20-F 05 Oct 2022 31 Mar 2022 000-55631
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F FORM 20-F 26 Sep 2022 31 Mar 2022 000-55631
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 04 Aug 2022 02 Aug 2022 000-55631
NT 20-F Open NT 20-F document View SEC filing for NT 20-F NOTIFICATION OF LATE FILING 02 Aug 2022 31 Mar 2022 000-55631
424B3 Open 424B3 document View SEC filing for 424B3 424B3 26 Jul 2022 333-235983
EFFECT Open EFFECT document View SEC filing for EFFECT 20 Jul 2022 333-235983
CORRESP Open CORRESP document View SEC filing for CORRESP 18 Jul 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Jun 2022
POS AM Open POS AM document View SEC filing for POS AM POS AM 27 Jun 2022 333-235983
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 23 Jun 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 19 May 2022
POS AM Open POS AM document View SEC filing for POS AM POST EFFECTIVE AMENDMENT NO 7 19 May 2022 333-235983
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 05 May 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 22 Apr 2022
POS AM Open POS AM document View SEC filing for POS AM POST EFFECTIVE AMENDMENT NO 6 22 Apr 2022 333-235983
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 18 Apr 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 03 Mar 2022
POS AM Open POS AM document View SEC filing for POS AM POST-EFFECTIVE AMENDMENT NO. 5 03 Mar 2022 333-235983
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 28 Feb 2022 28 Feb 2022 000-55631
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 22 Feb 2022
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Feb 2022 14 Feb 2022 000-55631
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Jan 2022
POS AM Open POS AM document | Open XBRL data View SEC filing for POS AM POST-EFFECTIVE AMENDMENT NO 4 04 Jan 2022 333-235983
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 09 Dec 2021
POS AM Open POS AM document | Open XBRL data View SEC filing for POS AM POS AM 12 Nov 2021 333-235983
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F FORM 20-F 16 Aug 2021 31 Mar 2021 000-55631
NT 20-F Open NT 20-F document View SEC filing for NT 20-F NOTIFICATION OF LATE FILING 02 Aug 2021 31 Mar 2021 000-55631
EFFECT Open EFFECT document View SEC filing for EFFECT 10 Jun 2021 333-235983
POS AM Open POS AM document | Open XBRL data View SEC filing for POS AM POST EFFECTIVE AMENMDENT #2 02 Jun 2021 333-235983
POS AM Open POS AM document View SEC filing for POS AM 01 Jun 2021 333-235983
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 31 Mar 2021 31 Mar 2021 000-55631
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F FORM 20-F 17 Aug 2020 31 Mar 2020 000-55631
NT 20-F Open NT 20-F document View SEC filing for NT 20-F NOTIFICATION OF LATE FILING 31 Jul 2020 31 Mar 2020 000-55631
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 27 Jul 2020 27 Jul 2020 000-55631
424B3 Open 424B3 document View SEC filing for 424B3 424B3 06 Jul 2020 333-235983
EFFECT Open EFFECT document View SEC filing for EFFECT 29 Jun 2020 333-235983
CORRESP Open CORRESP document View SEC filing for CORRESP 26 Jun 2020
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A 11 Jun 2020 333-235983
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 13 May 2020
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A 28 Apr 2020 333-235983
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 31 Mar 2020 31 Mar 2020 000-55631
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 13 Feb 2020
F-1 Open F-1 document View SEC filing for F-1 FORM F-1 17 Jan 2020 333-235983
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Jan 2020 30 Dec 2019 000-55631
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 05 Sep 2019 31 Aug 2019 000-55631
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 02 Aug 2019 30 Jul 2019 000-55631
20-F Open 20-F document View SEC filing for 20-F FORM 20-F 14 May 2019 31 Dec 2018 000-55631
NT 20-F Open NT 20-F document View SEC filing for NT 20-F 30 Apr 2019 31 Dec 2018 000-55631
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A FORM 10-Q/A 05 Mar 2019 30 Jun 2018 000-55631
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 17 Dec 2018 28 Aug 2018 000-55631
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q 25 Oct 2018 30 Jun 2018 000-55631
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 28 Aug 2018 21 Aug 2018 000-55631
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q 15 May 2018 31 Mar 2018 000-55631
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 09 May 2018 03 May 2018 000-55631
10-K Open 10-K document View SEC filing for 10-K FORM 10-K 17 Apr 2018 31 Dec 2017 000-55631
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NOTIFICATION OF LATE FILING 02 Apr 2018 31 Dec 2017 000-55631
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 09 Feb 2018 01 Feb 2018 000-55631
DEF 14C Open DEF 14C document View SEC filing for DEF 14C DEFINITIVE 14C 16 Jan 2018 16 Jan 2018 000-55631
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 12 Jan 2018
PRER14C Open PRER14C document View SEC filing for PRER14C PRELIMINARY 14C 08 Jan 2018 000-55631
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 06 Dec 2017
PRE 14C Open PRE 14C document View SEC filing for PRE 14C PRELIMINARY 14C 27 Nov 2017 27 Nov 2017 000-55631
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q 20 Nov 2017 30 Sep 2017 000-55631
10-Q/A Open 10-Q/A document View SEC filing for 10-Q/A 20 Nov 2017 30 Jun 2017 000-55631
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 14 Nov 2017 30 Sep 2017 000-55631
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 02 Oct 2017 22 Sep 2017 000-55631
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q 15 Aug 2017 30 Jun 2017 000-55631
SC 13D Open SC 13D document View SEC filing for SC 13D 12 Jun 2017 005-89500
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 06 Jun 2017 04 May 2017
10-Q Open 10-Q document View SEC filing for 10-Q 23 May 2017 31 Mar 2017 000-55631
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q 15 May 2017 31 Mar 2017 000-55631
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 05 May 2017 005-89500
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 05 May 2017 005-89500
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2017 03 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2017 03 May 2017
8-K Open 8-K document View SEC filing for 8-K 04 May 2017 03 May 2017 000-55631
10-K Open 10-K document View SEC filing for 10-K 11 Apr 2017 31 Dec 2016 000-55631
NT 10-K Open NT 10-K document View SEC filing for NT 10-K 27 Mar 2017 31 Dec 2016 000-55631
8-K Open 8-K document View SEC filing for 8-K 16 Mar 2017 13 Mar 2017 000-55631
8-K Open 8-K document View SEC filing for 8-K 02 Mar 2017 23 Feb 2017 000-55631
10-Q Open 10-Q document View SEC filing for 10-Q 14 Nov 2016 30 Sep 2016 000-55631
10-Q Open 10-Q document View SEC filing for 10-Q 15 Aug 2016 30 Jun 2016 000-55631
SC 13G Open SC 13G document View SEC filing for SC 13G 20 May 2016 005-89500
SC 13G Open SC 13G document View SEC filing for SC 13G 20 May 2016 005-89500
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 17 May 2016 02 May 2016
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 17 May 2016 02 May 2016
10-12G Open 10-12G document View SEC filing for 10-12G 02 May 2016 000-55631

About this filer

Zhong Yuan Bio-Technology Holdings Ltd files with the SEC under CIK 0001672886. This page aggregates EDGAR filings and related ownership activity.

Industry: Medicinal Chemicals & Botanical Products.

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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