Nexa Resources details Otavi Project sale closing in SEC filing

Nexa Resources S.A., a foreign private issuer based in Luxembourg, has furnished a Form 6-K report for December 2025.

Accepted by SEC EDGAR 12/22/2025 - 04:22 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Nexa Resources S.A., a foreign private issuer based in Luxembourg, has furnished a Form 6-K report for December 2025. The report is signed by the Senior Vice President of Finance and Group Chief Financial Officer, José Carlos del Valle. An attached exhibit, labeled 99.1, is titled "Nexa Resources Announces Closing of Otavi Project Sale to Midnab Resources," indicating that the company has announced the closing of a transaction involving the Otavi Project and Midnab Resources.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Nexa Resources S.A. (NEXA) report in its December 2025 Form 6-K?

The report shows that Nexa Resources S.A. furnished a Form 6-K as a foreign private issuer, signed by its Senior Vice President of Finance and Group Chief Financial Officer, José Carlos del Valle.

What key transaction is referenced in Nexa Resources S.A. (NEXA) December 2025 Form 6-K?

The exhibit index lists Exhibit 99.1 titled "Nexa Resources Announces Closing of Otavi Project Sale to Midnab Resources," indicating an announced closing of that project sale.

Who signed the December 2025 Form 6-K for Nexa Resources S.A. (NEXA)?

The Form 6-K was signed on behalf of Nexa Resources S.A. by José Carlos del Valle, Senior Vice President of Finance and Group Chief Financial Officer.

What is Exhibit 99.1 in Nexa Resources S.A. (NEXA) December 2025 Form 6-K?

Exhibit 99.1 is described as "Nexa Resources Announces Closing of Otavi Project Sale to Midnab Resources."

What type of issuer is Nexa Resources S.A. (NEXA) in this SEC report?

Nexa Resources S.A. is identified as a foreign private issuer filing a Form 6-K under the Securities Exchange Act of 1934.

When was the Nexa Resources S.A. (NEXA) Form 6-K signed?

The Form 6-K was signed on December 22, 2025.

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U.S. SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE

SECURITIES EXCHANGE ACT OF 1934

For the Month of December 2025

Nexa Resources S.A.

(Exact Name as Specified in its Charter)

       N/A       

(Translation of Registrant’s Name)

37A, Avenue J.F. Kennedy
L-1855, Luxembourg
Grand Duchy of Luxembourg
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F    X   Form 40-F      

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 by furnishing the information contained in this Form, the registrant 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): Not applicable.

SIGNATURES

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.

Date: December 22, 2025.

Nexa Resources S.A.

By:/s/ José Carlos del Valle

Name: José Carlos del Valle

Title:  Senior Vice President of Finance and Group Chief Financial Officer

EXHIBIT INDEX

Exhibit	Description of Exhibit
99.1	Nexa Resources Announces Closing of Otavi Project Sale to Midnab Resources