Yefang Zhang - Sep 16, 2025 SCHEDULE 13D Report for CN ENERGY GROUP. INC. Class B Ordinary Shares, no par value

Filing Manager: Zhang Yefang
Reporting Manager: Yefang Zhang
Security: CN ENERGY GROUP. INC. Class B Ordinary Shares, no par value
Shares outstanding: 635K shares
Disclosed Ownership: 635K shares
Ownership: 100%
Form type: SCHEDULE 13D
Date filed: 11/25/2025, 04:05 PM
Date of event: Sep 16, 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Yefang Zhang	100%	635K	635K	0	/s/ Yefang Zhang	Yefang Zhang	0001667258
Weastfinace Group Inc	99.37%	631K	0	0	/s/ Xinyang Wang	Xinyang Wang/Manager