Zhong Yuan Bio-Technology Holdings Ltd

Entity
Company
Industry
Medicinal Chemicals & Botanical Products (Office Of Life Sciences)
Business address
Suite 901, Tesbury Centre,, 28 Queen's Road East, 00000 Wanchai, Hong Kong
Phone
011 852 2919-8916
State of incorporation
Cayman Islands
Fiscal year end
March 31
Category
Non-accelerated filer
Emerging growth company
Former names
CHINA BIOTECH HOLDINGS Ltd (del) (to 10/25/2018), CHINA BIOTECH Co CORP (to 3/16/2017), Agate Island Acquisition Corp (to 3/2/2017)
All SEC filings
View on sec.gov
Zhong Yuan Bio-Technology Holdings Ltd has filed 118 SEC EDGAR filings since 5/2/2016

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
NT 20-F Open Document Open Filing NOTIFICATION OF LATE FILING Jul 31, 2025 Mar 31, 2025 001-41851
20-F Open Document | Data Open Filing FORM 20-F Nov 7, 2024 Mar 31, 2024 001-41851
NT 20-F Open Document Open Filing NOTIFICATION OF LATE FILING Aug 1, 2024 Mar 31, 2024 001-41851
6-K Open Document Open Filing FORM 6-K Jun 14, 2024 Jun 4, 2024 001-41851
F-1/A Open Document | Data Open Filing FORM F-1/A May 20, 2024 333-268025
F-1/A Open Document | Data Open Filing FORM F-1/A Mar 26, 2024 333-268025
6-K Open Document Open Filing FORM 6-K Mar 25, 2024 Mar 25, 2024 001-41851
SC 13D Open Document Open Filing SCHEDULE 13D Mar 7, 2024 005-89500
SC 13D Open Document Open Filing SCHEDULE 13D Mar 7, 2024 005-89500
SC 13D/A Open Document Open Filing SCHEDULE 13D/A Jan 25, 2024 005-89500
SC 13D/A Open Document Open Filing SCHEDULE 13D/A Jan 25, 2024 005-89500
SC 13D/A Open Document Open Filing SCHEDULE 13D/A Jan 24, 2024 005-89500
SC 13D Open Document Open Filing SCHEDULE 13D Jan 24, 2024 005-89500
SC 13D Open Document Open Filing SCHEDULE 13D Jan 24, 2024 005-89500
SC 13D Open Document Open Filing SCHEDULE 13D Jan 24, 2024 005-89500
SC 13D Open Document Open Filing SCHEDULE 13D Jan 24, 2024 005-89500
F-1/A Open Document | Data Open Filing FORM F-1/A Nov 13, 2023 333-268025
8-A12B Open Document Open Filing FORM 8-A12B Oct 26, 2023 001-41851
F-1/A Open Document | Data Open Filing FORM F-1/A Oct 6, 2023 333-268025
6-K Open Document Open Filing FORM 6-K Sep 14, 2023 Sep 14, 2023 000-55631
F-1/A Open Document | Data Open Filing FORM F-1/A Aug 22, 2023 333-268025
20-F Open Document | Data Open Filing FORM 20-F Jul 27, 2023 Mar 31, 2023 000-55631
6-K Open Document Open Filing FORM 6-K Jun 28, 2023 Jun 16, 2023 000-55631
6-K Open Document Open Filing FORM 6-K May 11, 2023 May 4, 2023 000-55631
F-1/A Open Document | Data Open Filing FORM F-1/A Apr 4, 2023 333-268025
F-1/A Open Document | Data Open Filing FORM F-1/A Mar 20, 2023 333-268025
F-1/A Open Document | Data Open Filing FORM F-1/A Mar 1, 2023 333-268025
6-K Open Document Open Filing FORM 6-K Feb 13, 2023 Feb 10, 2023 000-55631
F-1/A Open Document | Data Open Filing FORM F-1 Dec 13, 2022 333-268025
F-1/A Open Document | Data Open Filing FORM F-1 Nov 25, 2022 333-268025
F-1 Open Document | Data Open Filing FORM F-1 Oct 27, 2022 333-268025
20-F/A Open Document | Data Open Filing FORM 20-F Oct 5, 2022 Mar 31, 2022 000-55631
20-F Open Document | Data Open Filing FORM 20-F Sep 26, 2022 Mar 31, 2022 000-55631
6-K Open Document Open Filing FORM 6-K Aug 4, 2022 Aug 2, 2022 000-55631
NT 20-F Open Document Open Filing NOTIFICATION OF LATE FILING Aug 2, 2022 Mar 31, 2022 000-55631
424B3 Open Document Open Filing 424B3 Jul 26, 2022 333-235983
EFFECT Open Document Open Filing Jul 20, 2022 333-235983
CORRESP Open Document Open Filing Jul 18, 2022
CORRESP Open Document Open Filing Jun 27, 2022
POS AM Open Document Open Filing POS AM Jun 27, 2022 333-235983
UPLOAD Open Document Open Filing Jun 23, 2022
CORRESP Open Document Open Filing May 19, 2022
POS AM Open Document Open Filing POST EFFECTIVE AMENDMENT NO 7 May 19, 2022 333-235983
UPLOAD Open Document Open Filing May 5, 2022
CORRESP Open Document Open Filing Apr 22, 2022
POS AM Open Document Open Filing POST EFFECTIVE AMENDMENT NO 6 Apr 22, 2022 333-235983
UPLOAD Open Document Open Filing Apr 18, 2022
CORRESP Open Document Open Filing Mar 3, 2022
POS AM Open Document Open Filing POST-EFFECTIVE AMENDMENT NO. 5 Mar 3, 2022 333-235983
6-K Open Document Open Filing FORM 6-K Feb 28, 2022 Feb 28, 2022 000-55631
UPLOAD Open Document Open Filing Feb 22, 2022
6-K Open Document Open Filing FORM 6-K Feb 14, 2022 Feb 14, 2022 000-55631
CORRESP Open Document Open Filing Jan 4, 2022
POS AM Open Document | Data Open Filing POST-EFFECTIVE AMENDMENT NO 4 Jan 4, 2022 333-235983
UPLOAD Open Document Open Filing Dec 9, 2021
POS AM Open Document | Data Open Filing POS AM Nov 12, 2021 333-235983
20-F Open Document | Data Open Filing FORM 20-F Aug 16, 2021 Mar 31, 2021 000-55631
NT 20-F Open Document Open Filing NOTIFICATION OF LATE FILING Aug 2, 2021 Mar 31, 2021 000-55631
EFFECT Open Document Open Filing Jun 10, 2021 333-235983
POS AM Open Document | Data Open Filing POST EFFECTIVE AMENMDENT #2 Jun 2, 2021 333-235983
POS AM Open Document Open Filing Jun 1, 2021 333-235983
6-K Open Document Open Filing FORM 6-K Mar 31, 2021 Mar 31, 2021 000-55631
20-F Open Document | Data Open Filing FORM 20-F Aug 17, 2020 Mar 31, 2020 000-55631
NT 20-F Open Document Open Filing NOTIFICATION OF LATE FILING Jul 31, 2020 Mar 31, 2020 000-55631
6-K Open Document Open Filing FORM 6-K Jul 27, 2020 Jul 27, 2020 000-55631
424B3 Open Document Open Filing 424B3 Jul 6, 2020 333-235983
EFFECT Open Document Open Filing Jun 29, 2020 333-235983
CORRESP Open Document Open Filing Jun 26, 2020
F-1/A Open Document Open Filing FORM F-1/A Jun 11, 2020 333-235983
UPLOAD Open Document Open Filing May 13, 2020
F-1/A Open Document Open Filing FORM F-1/A Apr 28, 2020 333-235983
6-K Open Document Open Filing FORM 6-K Mar 31, 2020 Mar 31, 2020 000-55631
UPLOAD Open Document Open Filing Feb 13, 2020
F-1 Open Document Open Filing FORM F-1 Jan 17, 2020 333-235983
6-K Open Document Open Filing FORM 6-K Jan 14, 2020 Dec 30, 2019 000-55631
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER Sep 5, 2019 Aug 31, 2019 000-55631
6-K Open Document Open Filing FORM 6-K Aug 2, 2019 Jul 30, 2019 000-55631
20-F Open Document Open Filing FORM 20-F May 14, 2019 Dec 31, 2018 000-55631
NT 20-F Open Document Open Filing Apr 30, 2019 Dec 31, 2018 000-55631
10-Q/A Open Document | Data Open Filing FORM 10-Q/A Mar 5, 2019 Jun 30, 2018 000-55631
6-K Open Document Open Filing FORM 6-K Dec 17, 2018 Aug 28, 2018 000-55631
10-Q Open Document Open Filing FORM 10-Q Oct 25, 2018 Jun 30, 2018 000-55631
8-K Open Document Open Filing FORM 8-K Aug 28, 2018 Aug 21, 2018 000-55631
10-Q Open Document Open Filing FORM 10-Q May 15, 2018 Mar 31, 2018 000-55631
8-K Open Document Open Filing FORM 8-K May 9, 2018 May 3, 2018 000-55631
10-K Open Document Open Filing FORM 10-K Apr 17, 2018 Dec 31, 2017 000-55631
NT 10-K Open Document Open Filing NOTIFICATION OF LATE FILING Apr 2, 2018 Dec 31, 2017 000-55631
8-K Open Document Open Filing FORM 8-K Feb 9, 2018 Feb 1, 2018 000-55631
DEF 14C Open Document Open Filing DEFINITIVE 14C Jan 16, 2018 Jan 16, 2018 000-55631
UPLOAD Open Document Open Filing Jan 12, 2018
PRER14C Open Document Open Filing PRELIMINARY 14C Jan 8, 2018 000-55631
UPLOAD Open Document Open Filing Dec 6, 2017
PRE 14C Open Document Open Filing PRELIMINARY 14C Nov 27, 2017 Nov 27, 2017 000-55631
10-Q Open Document Open Filing FORM 10-Q Nov 20, 2017 Sep 30, 2017 000-55631
10-Q/A Open Document Open Filing Nov 20, 2017 Jun 30, 2017 000-55631
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING Nov 14, 2017 Sep 30, 2017 000-55631
8-K Open Document Open Filing FORM 8-K Oct 2, 2017 Sep 22, 2017 000-55631
10-Q Open Document Open Filing FORM 10-Q Aug 15, 2017 Jun 30, 2017 000-55631
SC 13D Open Document Open Filing Jun 12, 2017 005-89500
3 Open Document Open Filing PRIMARY DOCUMENT Jun 6, 2017 May 4, 2017
10-Q Open Document Open Filing May 23, 2017 Mar 31, 2017 000-55631
NT 10-Q Open Document Open Filing May 15, 2017 Mar 31, 2017 000-55631
SC 13G/A Open Document Open Filing May 5, 2017 005-89500
SC 13G/A Open Document Open Filing May 5, 2017 005-89500
4 Open Document Open Filing PRIMARY DOCUMENT May 5, 2017 May 3, 2017
4 Open Document Open Filing PRIMARY DOCUMENT May 5, 2017 May 3, 2017
8-K Open Document Open Filing May 4, 2017 May 3, 2017 000-55631
10-K Open Document Open Filing Apr 11, 2017 Dec 31, 2016 000-55631
NT 10-K Open Document Open Filing Mar 27, 2017 Dec 31, 2016 000-55631
8-K Open Document Open Filing Mar 16, 2017 Mar 13, 2017 000-55631
8-K Open Document Open Filing Mar 2, 2017 Feb 23, 2017 000-55631
10-Q Open Document Open Filing Nov 14, 2016 Sep 30, 2016 000-55631
10-Q Open Document Open Filing Aug 15, 2016 Jun 30, 2016 000-55631
SC 13G Open Document Open Filing May 20, 2016 005-89500
SC 13G Open Document Open Filing May 20, 2016 005-89500
3 Open Document Open Filing PRIMARY DOCUMENT May 17, 2016 May 2, 2016
3 Open Document Open Filing PRIMARY DOCUMENT May 17, 2016 May 2, 2016
10-12G Open Document Open Filing May 2, 2016 000-55631