Hudbay Minerals (HBM) files Form 6-K with exempt distribution report

Rhea-AI Filing Summary

Hudbay Minerals Inc. submitted a Form 6-K as a foreign private issuer, indicating it files its annual reports on Form 40-F and is not relying on the Rule 12g3-2(b) exemption. The submission primarily forwards a Canadian securities filing.

On October 6, 2025, Hudbay filed a Form 45-106F1 Report of Exempt Distribution with Canadian regulators, and has furnished that report to U.S. investors as Exhibit 99.1 to this Form 6-K. The filing is signed by Vice President, Legal and Corporate Secretary Mark Haber.

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 OF
THE SECURITIES EXCHANGE ACT OF 1934

For the month of October 2025

Commission File Number: 001-34244

HUDBAY MINERALS INC.
(Translation of registrant’s name into English)

25 York Street, Suite 800
Toronto, Ontario
M5J 2V5, Canada
(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 [   ]                    Form 40-F [X]

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes [   ]                     No [X]

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- _____________________________

EXPLANATORY NOTE

On October 6, 2025, Hudbay Minerals Inc. (“Hudbay”) filed on the Canadian Securities Administrators’ System for Electronic Document Analysis and Retrieval (SEDAR) website at www.sedarplus.ca the following documents: (1) Form 45-106F1 Report of Exempt Distribution.

Copies of the filings are attached to this Form 6-K and incorporated herein by reference, as follows:

• Exhibit 99.1 — Form 45-106F1 Report of Exempt Distribution

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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.

	HUDBAY MINERALS INC.
	(registrant)
	By:	/s/ Mark Haber
	Name:	Mark Haber
	Title:	Vice President, Legal and Corporate Secretary

Date: October 7, 2025

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EXHIBIT INDEX

The following exhibits are furnished as part of this Form 6-K:

Exhibit		Description
99.1		Form 45-106F1 - Report of Exempt Distribution

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FAQ

What does Hudbay Minerals Inc. (HBM) report in this Form 6-K?

Hudbay Minerals Inc. reports that it has furnished a Canadian Form 45-106F1 Report of Exempt Distribution as Exhibit 99.1 to this Form 6-K, making that Canadian securities filing available to U.S. investors.

Which annual report form does Hudbay Minerals Inc. (HBM) use with the SEC?

Hudbay Minerals Inc. indicates that it files its annual reports with the SEC on Form 40-F, which is the standard form used by certain Canadian issuers qualifying as foreign private issuers.

Is Hudbay Minerals Inc. (HBM) relying on SEC Rule 12g3-2(b) in this filing?

No. Hudbay Minerals Inc. checks the box indicating it is not furnishing information pursuant to Rule 12g3-2(b), meaning this Form 6-K is not being used to claim that specific reporting exemption.

What is attached as Exhibit 99.1 to Hudbay Minerals Inc.’s (HBM) Form 6-K?

Exhibit 99.1 contains a Form 45-106F1 Report of Exempt Distribution, which Hudbay previously filed on the Canadian SEDAR+ system and is now furnishing as part of this U.S. Form 6-K.

Who signed Hudbay Minerals Inc.’s (HBM) October 2025 Form 6-K?

The Form 6-K is signed on behalf of Hudbay Minerals Inc. by Mark Haber, who is identified as the company’s Vice President, Legal and Corporate Secretary, acting as an authorized signatory.