SECURITIES AND EXCHANGE COMMISSION

FORM 6-K Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Filing Date: 2021-05-18 | Period of Report: 2021-05-17 SEC Accession No. 0001062993-21-004769

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FILER Hudbay Minerals Inc. Mailing Address Business Address 25 YORK STREET, SUITE 25 YORK STREET, SUITE CIK:1322422| IRS No.: 980485558 | Fiscal Year End: 1231 800 800 Type: 6-K | Act: 34 | File No.: 001-34244 | Film No.: 21933328 TORONTO A6 M5J 2V5 TORONTO A6 M5J 2V5 SIC: 1000 Metal 416-362-8181

Copyright © 2021 www.secdatabase.com. All Rights Reserved. Please Consider the Environment Before Printing This Document 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 May 2021 Commission File Number: 001-34244 HUDBAY MINERALS INC. (Translation of registrant’s name into English) 25 York Street, Suite 800 Toronto, M5J 2V5, (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 if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): [ ] Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): [ ] 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 May 17, 2021, Hudbay Minerals Inc. (“Hudbay”) filed on the Canadian Securities Administrators’ System for Electronic Document Analysis and Retrieval (SEDAR) website at www.sedar.com the following document: (1) Report of Voting Results. Copies of the filings are attached to this Form 6-K and incorporated herein by reference, as follows: • Exhibit 99.1 — Report of Voting Results 2 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/ Patrick Donnelly Name:Patrick Donnelly Title: Vice President and General Counsel Date: May 17, 2021 3 EXHIBIT INDEX The following exhibits are furnished as part of this Form 6-K: Exhibit Description

99.1 Report of Voting Results 4

Copyright © 2021 www.secdatabase.com. All Rights Reserved. Please Consider the Environment Before Printing This Document Hudbay Minerals Inc. Report of Voting Results (Section 11.3 of National Instrument 51-102) The following describes the matters voted upon and the outcome of the votes at the Annual and Special Meeting of Shareholders (the "Meeting') of Hudbay Minerals Inc. (the "Corporation") held on May 17, 2021. All matters voted upon at the Meeting were voted upon by proxy and electronic ballot. Each of the matters voted upon is described in greater detail in the Corporation's Management Information Circular (the "Circular") that was made available to shareholders prior to the Meeting. Item 1: Election of Directors At the Meeting, each of the ten nominees listed in the Circular was elected as a director of the Corporation for the ensuing year or until his or her successor is elected or appointed. The voting results are set forth in the table below: Voting Results

Director Number of Votes FOR Number of Votes Withheld Percentage of Votes FOR

Carol T. Banducci 193,235,851 925,004 99.52% Igor A. Gonzales 190,799,304 3,361,551 98.27% Richard Howes 192,979,327 1,181,528 99.40% Sarah B. Kavanagh 193,643,555 517,300 99.73% Carin S. Knickel 192,892,377 1,268,478 99.35% Peter Kukielski 193,493,754 667,101 99.66% Stephen A. Lang 190,464,899 3,695,956 98.10% Daniel Muñiz Quintanilla 193,645,172 515,683 99.73% Colin Osborne 193,587,734 573,121 99.71% David S. Smith 192,932,000 1,228,855 99.37% Item 2: Appointment of Auditor At the Meeting, Deloitte LLP was re-appointed as auditor of the Corporation and the directors were authorized, upon the recommendation of the Audit Committee, to fix the auditor's remuneration. The voting results are set forth in the table below: Voting Results

Number of Votes FOR Number of Votes Withheld Percentage of Votes FOR

196,599,130 1,803,023 99.09%

Copyright © 2021 www.secdatabase.com. All Rights Reserved. Please Consider the Environment Before Printing This Document Item 3: Say on Pay Advisory Vote At the Meeting, the non-binding advisory resolution to accept the Corporation's approach to executive compensation disclosed in the Circular was approved. The voting results are set forth in the table below. Voting Results

Number of Votes FOR Number of Votes Against Percentage of Votes FOR

184,467,275 9,693,580 95.01% Date: May 17, 2021 HUDBAY MINERALS INC.

(signed) Patrick Donnelly Name: Patrick Donnelly Title: Vice President and General Counsel

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