UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE

SECURITIES EXCHANGE ACT OF 1934

For the month of June 2026

Commission File Number: 001-39127

Canaan Inc.

28 Ayer Rajah Crescent

#06-08

Singapore 139959

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F x Form 40-F ¨

EXHIBITS

Exhibit No.		Description
Exhibit 99.1		Canaan Inc. Announces Open Market Share Purchases by Chief Executive Officer and Chief Financial Officer

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	Canaan Inc.

	By:	/s/ Nangeng Zhang
	Name:	Nangeng Zhang
	Title:	Chairman and Chief Executive Officer

Date: June 24, 2026

Canaan Inc. 6-K