Canaan Inc. (CAN) files Form 6-K on at-the-market program updates

Rhea-AI Filing Summary

Canaan Inc. submitted a Form 6-K as a foreign private issuer for October 2025. The report references an exhibit titled “Canaan Inc. Provides Updates to At-the-Market Offering Program,” indicating the company has provided new information related to its existing at-the-market share offering program.

Form 6-K: How Foreign Companies Report to the SEC →

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 October 2025

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. Provides Updates to At-the-Market Offering Program

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: October 31, 2025

FAQ

What did Canaan Inc. (CAN) file in this October 2025 report?

Canaan Inc. filed a Form 6-K as a foreign private issuer. The report covers information for October 2025 and includes an exhibit describing updates to its at-the-market offering program.

What key exhibit is included in Canaan Inc. (CAN) October 2025 Form 6-K?

The Form 6-K includes Exhibit 99.1 titled “Canaan Inc. Provides Updates to At-the-Market Offering Program.” This exhibit contains the company’s latest information about its ongoing at-the-market share offering program.

Who signed Canaan Inc.’s (CAN) October 2025 Form 6-K?

The Form 6-K was signed on behalf of Canaan Inc. by Nangeng Zhang. He is identified in the report as the company’s Chairman and Chief Executive Officer, acting as the duly authorized signatory.

When was Canaan Inc.’s (CAN) October 2025 Form 6-K dated?

The Form 6-K is dated October 31, 2025. This date reflects when Canaan Inc., through its authorized officer, finalized and signed the report covering its October 2025 disclosure to investors.

Where are Canaan Inc.’s (CAN) principal executive offices located?

Canaan Inc.’s principal executive offices are located at 28 Ayer Rajah Crescent #06-08, Singapore 139959. This address is provided in the Form 6-K as the official location of the company’s main executive operations.

Under which form does Canaan Inc. (CAN) file its annual reports?

Canaan Inc. indicates that it files its annual reports under Form 20-F. This classification confirms its status as a foreign private issuer using the Form 20-F framework for full-year financial and corporate reporting.