Nangeng Zhang - 31 Dec 2025 SCHEDULE 13G/A Report for Canaan Inc. Class A ordinary shares, par value US$0.00000005 per share (CAN)

Filing Manager: Nangeng Zhang
Reporting Manager: Zhang Nangeng
Security: Canaan Inc. Class A ordinary shares, par value US$0.00000005 per share
Symbol: CAN
Shares outstanding: 9,932,177,052 shares
Disclosed Ownership: 576,066,269 shares
Ownership: 5.8%
Form type: SCHEDULE 13G/A
Filing time: 13 Feb 2026, 16:10:04 UTC
Date of event: 31 Dec 2025
Previous filing: 14 Feb 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Zhang Nangeng	5.8%	576,066,269	576,066,269	0	/s/ Nangeng Zhang	Nangeng Zhang
Flueqel Ltd.	3.1%	311,624,444	311,624,444	0	/s/ Nangeng Zhang	Nangeng Zhang/Authorized Signatory