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

Filing Manager: Yefang Zhang
Reporting Manager: Yefang Zhang
Security: CN ENERGY GROUP. INC. Class B Ordinary Shares, no par value
Symbol: CNEY
Shares outstanding: 635,419 shares
Disclosed Ownership: 635,419 shares
Ownership: 100%
Form type: SCHEDULE 13D
Filing time: 25 Nov 2025, 16:05:07 UTC
Date of event: 16 Sep 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%	635,419	635,419	0	/s/ Yefang Zhang	Yefang Zhang	0001667258
Weastfinace Group Inc	99%	631,391	0	0	/s/ Xinyang Wang	Xinyang Wang/Manager