Company: SCCO
Filing Date: 2025-10-02
Form Type: S-8 POS
Source: 0001104659-25-096177
Chunk: 0

Company: SOUTHERN COPPER CORP/
Filing Date: 2025-10-02
Form: S-8 POS
Chunk 0
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As filed with the Securities and Exchange Commission on October 2, 2025 Registration Statements No. 333-150982 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 5 TO FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SOUTHERN COPPER CORPORATION (Exact name of registrant as specified in its charter)

| ​                                                              | ​ |                                   ​ |
| Delaware                                                       |   |                          13-3849074 |
| (State or other jurisdiction of incorporation or organization) | ​ | -I.R.S. Employer Identification No. |
| ​                                                              | ​ |                                   ​ |
| 7310 North 16th St. Suite 135                                  
 Phoenix AZ                                                     | ​ |                               85020 |
| (Address of Principal Executive Offices)                       | ​ |                           -Zip Code |

Southern Copper Corporation Directors’ Stock Award Plan (Full title of the plan) Copy to: Julian Jorge Lazalde Secretary Southern Copper Corporation 7310 North 16 thSt. Suite 135 Phoenix AZ 85020 (602) 264-1375 (Name, address, including zip code, and telephone number, including area code, of agent for service) Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):

| ​                       | ​ | ​                         | ​ |
| Large accelerated filer | ☒ | Accelerated filer         | ☐ |
| Non-accelerated filer   | ☐ | Smaller reporting company | ☐ |
| 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 7(a)(2)(B) of the Securities Act. ¨

### EXPLANATORY NOTE
Southern Copper Corporation (the "Registrant") is filing this Post-Effective Amendment No. 5 to the Registration Statement on Form S-8, File No. 333-150982, filed