Zhong Yuan BioTechnology Holdings Ltd (PK) (ZHYBF) Actualités

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

Securities Registration (foreign Private Issuer) (f-1/a)

0001672886 true FY 2022 Amendment No. 4

Securities Registration (foreign Private Issuer) (f-1/a)

0001672886 true FY 2022 Amendment No. 2

Securities Registration (foreign Private Issuer) (f-1/a)

0001672886 true FY 2022 Amendment No. 1

Securities Registration (foreign Private Issuer) (f-1)

0001672886 false FY 2022

Annual and Transition Report (foreign Private Issuer) (20-f)

0001672886 false FY 2022

Notification That Form 20-f Will Be Submitted Late (nt 20-f)

  UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549       FORM 12b-25...

Prospectus Filed Pursuant to Rule 424(b)(3) (424b3)

Filed pursuant to Rule 424(b)(3) Registration No. 333-235983   PROSPECTUS   ZHONG YUAN...

Notice of Effectiveness (effect)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 NOTICE OF EFFECTIVENESSEffective Date:July 20, 2022...

Post-effective Amendment to Registration Statement (pos Am)

  As filed with the Securities and Exchange Commission on June 27, 2022   Registration...

Post-effective Amendment to Registration Statement (pos Am)

  As filed with the Securities and Exchange Commission on March 3, 2022   Registration...

Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16 (6-k)

    UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549     FORM 6-K...

Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16 (6-k)

    UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549     FORM...

Post-effective Amendment to Registration Statement (pos Am)

  As filed with the Securities and Exchange Commission on January 4, 2022   Regist...

Post-effective Amendment to Registration Statement (pos Am)

  As filed with the Securities and Exchange Commission on November 11, 2021   Regi...