CN Energy (CNEY) files Form 6-K with six-month 2025 interim results

Rhea-AI Filing Summary

CN Energy Group Inc. filed a Form 6-K as a foreign private issuer to furnish its unaudited condensed consolidated financial statements for the six months ended March 31, 2025. These interim financial statements, together with related management discussion and analysis, give an update on the company’s financial position and operations over that half-year period.

The company also states that this Form 6-K is incorporated by reference into its existing shelf registration statement on Form F-3 (File Number 333-264579) and the related prospectus. This means investors relying on that registration statement can treat the new interim financial information as part of the offering documents.

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

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 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 September 2025

Commission File Number: 001-39978

CN ENERGY GROUP. INC.

Building 2-B, Room 206, No. 268 Shiniu Road

Liandu District, Lishui City, Zhejiang Province

The People’s Republic of China

(Address of principal executive office)

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 ☒      Form 40-F ☐

EXPLANATORY NOTE

CN Energy Group. Inc. (the “Company”) is furnishing this report of foreign private issuer on Form 6-K to provide the six-month interim financial statements for the period ended March 31, 2025 and incorporate such financial statements into the Company’s registration statement referenced below.

This report of foreign private issuer on Form 6-K is hereby incorporated by reference into the registration statement on Form F-3 of the Company (File Number 333-264579), as amended, and into the prospectus outstanding under the foregoing registration statement, to the extent not superseded by documents or reports subsequently filed or furnished by the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.

Forward Looking Statements

This Report on Form 6-K includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. Our actual results may differ from their expectations, estimates and projections and consequently, you should not rely on these forward-looking statements as predictions of future events. Words such as “expect,” “estimate,” “project,” “budget,” “forecast,” “anticipate,” “intend,” “plan,” “may,” “will,” “could,” “should,” “believes,” “predicts,” “potential,” “continue,” and similar expressions are intended to identify such forward-looking statements. These forward-looking statements include, without limitation, our expectations with respect to future performance and anticipated financial impacts. These forward-looking statements involve significant risks and uncertainties that could cause the actual results to differ materially from the expected results. Most of these factors are outside our control and are difficult to predict. Factors that may cause such differences include, but are not limited to risks and uncertainties incorporated by reference under “Risk Factors” in the Registrant’s Form 20-F (001-39978) filed with the Securities and Exchange Commission (the “SEC”) on February 15, 2024 (the “Form 20-F”) and in the Registrant’s other filings with the SEC. The Registrant cautions that the foregoing factors are not exclusive. The Registrant cautions readers not to place undue reliance upon any forward-looking statements, which speak only as of the date made. The Registrant does not undertake or accept any obligation or undertaking to release publicly any updates or revisions to any forward-looking statements to reflect any change in its expectations or any change in events, conditions or circumstances on which any such statement is based.

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SIGNATURES

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.

	CN Energy Group. Inc.
Date: September 29, 2025	By:	/s/ Wenhua Liu
	Name:	Wenhua Liu
	Title:	Interim Chief Executive Officer

3

EXHIBIT INDEX
Exhibit
No.		Description
99.1		Unaudited Condensed Consolidated Financial Statements for the Six Months Ended March 31, 2025 and 2024
99.2		Management’s Discussion and Analysis Of Financial Condition and Results of Operations
101		Interactive Data Files (formatted as Inline XBRL)
104		Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

4

FAQ

What does CN Energy Group Inc. (CNEY) report in this Form 6-K?

The Form 6-K furnishes unaudited condensed consolidated financial statements for CN Energy Group Inc. for the six months ended March 31, 2025, along with related management discussion and analysis.

How is this CN Energy (CNEY) Form 6-K used with the company’s Form F-3?

The company states that this Form 6-K is incorporated by reference into its existing Form F-3 registration statement (File No. 333-264579) and the related prospectus, so the interim financials become part of the offering documents.

What period do CN Energy’s interim financial statements on this Form 6-K cover?

The unaudited interim financial statements furnished on this Form 6-K cover the six-month period ended March 31, 2025, with comparative information for the same period in 2024.

What exhibits are included with CN Energy’s (CNEY) September 2025 Form 6-K?

The filing lists exhibits including 99.1 (unaudited condensed consolidated financial statements for the six months ended March 31, 2025 and 2024), 99.2 (management’s discussion and analysis), and 101/104 (Inline XBRL data files).

Who signed CN Energy Group Inc.’s Form 6-K for September 2025?

The Form 6-K is signed on behalf of CN Energy Group Inc. by Wenhua Liu, identified as the company’s Interim Chief Executive Officer.

Does CN Energy (CNEY) include forward-looking statements in this Form 6-K?

Yes. The company includes a forward-looking statements section citing the U.S. Private Securities Litigation Reform Act of 1995 and referring investors to risk factors in its Form 20-F and other SEC filings.