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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(D) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): July 17, 2026 (May 29, 2026)

SOUTHERN COPPER CORPORATION

(Exact name of registrant as specified in its charter)

Delaware

  ​ ​ ​

1-14066

  ​ ​ ​

13-3849074

(State or Other Jurisdiction
of Incorporation)

(Commission File Number)

(IRS Employer
Identification Number)

7310 North 16th St. Suite 135, Phoenix, AZ 85020

(Address of principal executive offices, including zip code)

(602) 264-1375

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class:

  ​ ​ ​

Trading Symbol

  ​ ​ ​

Name of each exchange on which registered:

Common stock, par value $0.01 per share

SCCO

New York Stock Exchange
Lima Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. 

ITEM 5.07 Submission of Matters to a Vote of Security Holders

On May 29, 2026, Southern Copper Corporation, (the “Corporation”) held its 2026 Annual Meeting of Stockholders. The total outstanding voting securities eligible to vote were 826,065,041 shares of Common Stock. 804,192,988 shares, constituting approximately 97.35 % of the total outstanding shares eligible to vote at the meeting, were voted.  The stockholders were asked to take the following actions:

1.To elect our eight directors, who will serve until the 2027 annual meeting.
2.To ratify the selection by the Audit Committee of the Board of Directors of Galaz, Yamazaki, Ruiz Urquiza S.C., a member firm of Deloitte Touche Tohmatsu Limited, as our independent accountants for calendar year 2026.
3.To approve, by non-binding advisory vote, our executive compensation.

PROPOSAL 1 — ELECTION OF DIRECTORS

The results of the vote were as follows:

Number of Shares

Name

  ​ ​ ​

For

  ​ ​ ​

Withheld

  ​ ​ ​

Broker Non-Votes

Germán Larrea Mota-Velasco

764,004,407

25,081,322

15,107,259

Leonardo Contreras Lerdo de Tejada

761,141,385

27,944,344

15,107,259

Vicente Ariztegui Andreve

787,452,909

1,632,820

15,107,259

Javier Arrigunaga Gomez del Campo

774,289,565

14,796,164

15,107,259

Enrique Castillo Sánchez Mejorada

774,403,740

14,681,989

15,107,259

Luis Miguel Palomino Bonilla

763,514,064

25,571,665

15,107,259

Carlos Ruiz Sacristán

762,958,886

26,126,843

15,107,259

Jose Pedro Valenzuela Rionda

788,083,538

1,002,191

15,107,259

PROPOSAL 2 — APPROVAL OF THE APPOINTMENT OF THE CORPORATION’S INDEPENDENT PUBLIC ACCOUNTANTS

The results of the vote were as follows:

Number of Votes (1 vote per share)

In Favor

  ​ ​ ​

Against

  ​ ​ ​

Abstain

  ​ ​ ​

Broker Non-Votes

803,321,862

751,278

119,848

0

PROPOSAL 3 — APPROVAL, BY NON-BINDING VOTE, OF SCC’s EXECUTIVE COMPENSATION

The results of the vote were as follows:

Number of Votes (1 vote per share)

In Favor of
Adoption

  ​ ​ ​

Against
Adoption

  ​ ​ ​

Abstain

  ​ ​ ​

Broker Non-Votes

785,220,671

3,578,467

286,591

15,107,259

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

SOUTHERN COPPER CORPORATION

By:

/s/ Andres C. Ferrero

Name:

Andres C. Ferrero

Title:

General Counsel

Date: July 17, 2026

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ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

EX-101.SCH

EX-101.LAB

EX-101.PRE

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