Ternium S.A. files Form 6-K with 2025 sustainability report

Ternium S.A., a Luxembourg-based foreign private issuer, has submitted a Form 6-K to the U.S. Securities and Exchange Commission.

Rhea-AI Filing Summary

Ternium S.A., a Luxembourg-based foreign private issuer, has submitted a Form 6-K to the U.S. Securities and Exchange Commission. The filing furnishes the company’s Sustainability Report 2025 under Rule 13a-16 of the Securities Exchange Act of 1934. The company indicates it files its annual reports on Form 20-F and is not relying on Rule 12g3-2(b) for disclosure.

Key Terms

Foreign Private Issuer, Form 6-K, Form 20-F, Rule 13a-16, +2 more

6 terms

Foreign Private Issuer regulatory

"Report of Foreign Private Issuer Pursuant to Rule 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

Form 6-K regulatory

"FORM 6 - K SECURITIES AND EXCHANGE COMMISSION Report of Foreign Private Issuer"

A Form 6-K is a report that companies listed in certain countries file to provide important updates, such as financial results, corporate changes, or other significant information, to regulators and investors. It functions like an official company update or news release, helping investors stay informed about developments that could affect their investment decisions.

Form 20-F regulatory

"whether the registrant files or will file annual reports under cover Form 20-F"

Form 20-F is the standardized annual disclosure that non-U.S. companies must file with the U.S. securities regulator when their shares are traded in the U.S.; it contains audited financial statements, a plain-language description of the business, management discussion, governance details and key risk factors. It matters to investors because it provides a consistent, comparable company “report card” and rulebook, helping buyers assess financial health, governance and risks before investing.

Rule 13a-16 regulatory

"furnished to the Securities and Exchange Commission pursuant to Rule 13a-16"

Rule 12g3-2(b) regulatory

"pursuant to Rule 12G3-2(b) under the Securities Exchange Act of 1934"

Sustainability Report 2025 financial

"This report contains Ternium S.A.’s Sustainability Report 2025."

FAQ

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

What did Ternium S.A. (TX) file with the SEC in this Form 6-K?

Ternium S.A. filed a Form 6-K furnishing its Sustainability Report 2025. The report is submitted under Rule 13a-16 of the Securities Exchange Act of 1934 as supplemental information for investors and regulators.

What type of SEC annual report does Ternium S.A. (TX) use?

Ternium S.A. indicates it files its annual reports on Form 20-F. This classification confirms the company’s status as a foreign private issuer following U.S. disclosure standards for non-U.S. companies listed in the United States.

Does Ternium S.A. (TX) rely on SEC Rule 12g3-2(b) for disclosure?

No, Ternium S.A. states that it is not furnishing information to the Commission pursuant to Rule 12g3-2(b). Instead, it provides disclosures, including this Sustainability Report 2025, through Form 6-K and annual Form 20-F filings.

What document is attached to Ternium S.A.’s (TX) Form 6-K?

The Form 6-K includes an exhibit labeled 99.1 titled “Sustainability Report 2025.” This attached report contains Ternium S.A.’s sustainability-related information for 2025, as referenced in the exhibit index of the submission.

Where is Ternium S.A. (TX) headquartered according to this filing?

The filing lists Ternium S.A.’s principal executive offices at 26, Boulevard Royal, 4th floor, L-2449 Luxembourg, with a contact telephone number of (352) 2668-3152, confirming its base in Luxembourg as a foreign private issuer.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/08/2026 - 05:02 PM EDT Learn about SEC filing dates

FORM 6 - K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Private Issuer

Pursuant to Rule 13a - 16 or 15d - 16 of

the Securities Exchange Act of 1934

As of 07/08/2026

Ternium S.A.

(Translation of Registrant's name into English)

Ternium S.A.

26, Boulevard Royal, 4th floor

L-2449 Luxembourg

(352) 2668-3152

(Address of principal executive offices)

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

Form 20-F Form 40-F __

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

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):

Not applicable

The attached material is being furnished to the Securities and Exchange Commission pursuant to Rule 13a-16 and Form 6-K under the Securities Exchange Act of 1934, as amended.

This report contains Ternium S.A.’s Sustainability Report 2025.

EXHIBIT INDEX

Exhibit No.
99.1		Sustainability Report 2025

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.

TERNIUM S.A.

By: /s/ Guillermo Etchepareborda By: /s/ Sebastián Martí

Name: Guillermo Etchepareborda Name: Sebastián Martí

Title: Attorney in Fact Title: Attorney in Fact

Dated: July 08, 2026

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EX-99.1 26.3 MB