Hudbay Minerals (NYSE: HBM) files Form 6-K on Canadian exempt distribution

Rhea-AI Filing Summary

Hudbay Minerals Inc. submitted a Form 6-K as a foreign private issuer to furnish a Canadian securities filing to the SEC. The company states that on December 15, 2025, it filed a Form 45-106F1 - Report of Exempt Distribution on the Canadian Securities Administrators’ SEDAR+ website at www.sedarplus.ca.

The same Form 45-106F1 is attached to this submission as Exhibit 99.1 and incorporated by reference. The report is signed on behalf of Hudbay by Mark Haber, Vice President, Legal and Corporate Secretary, and dated December 16, 2025.

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 December 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 December 15, 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: December 16, 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 (HBM) disclose in its December 2025 Form 6-K?

Hudbay Minerals Inc. reports that on December 15, 2025 it filed a Form 45-106F1 - Report of Exempt Distribution on the Canadian SEDAR+ system and is furnishing that report to the SEC.

What is Exhibit 99.1 in Hudbay Minerals' (HBM) Form 6-K?

Exhibit 99.1 is identified as Form 45-106F1 - Report of Exempt Distribution, which Hudbay filed with the Canadian Securities Administrators and has attached to this Form 6-K.

When did Hudbay Minerals file its Canadian Report of Exempt Distribution?

Hudbay states that it filed the Form 45-106F1 - Report of Exempt Distribution on December 15, 2025 on the Canadian Securities Administrators’ SEDAR+ website.

Where can investors find Hudbay Minerals' exempt distribution report?

The company notes that the report was filed on the Canadian Securities Administrators’ SEDAR+ website at www.sedarplus.ca and is also attached as Exhibit 99.1 to this Form 6-K.

Who signed Hudbay Minerals' December 2025 Form 6-K submission?

The Form 6-K is signed on behalf of Hudbay Minerals Inc. by Mark Haber, who is identified as Vice President, Legal and Corporate Secretary, dated December 16, 2025.

Is Hudbay Minerals classified as a Form 40-F or Form 20-F filer?

The cover page indicates that Hudbay Minerals Inc. files its annual reports under cover of Form 40-F, not Form 20-F.