Ternium S.A. (TX) director Mondolo files initial insider Form 3

Rhea-AI Filing Summary

Ternium S.A. director Alicia Lucia Mondolo filed an initial statement of beneficial ownership on Form 3. This filing identifies her as a director of the company and confirms her status as an insider under securities rules. The Form 3 does not report any share purchases, sales, or other transactions; it serves only to register her insider position and related ownership disclosure starting point.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Mondolo Alicia Lucia

(Last) (First) (Middle)

26, BOULEVARD ROYAL, 4TH FLOOR

(Street)

LUXEMBOURG N4 00000

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/03/2026

3. Issuer Name and Ticker or Trading Symbol
Ternium S.A. [ TX ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

No securities are beneficially owned.

	/s/ Bruno Antenucci by Power of Attorney	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What does the Form 3 filing by Mondolo Alicia Lucia for TX mean?

The Form 3 shows Alicia Lucia Mondolo becoming a reportable insider of Ternium S.A. as a director. It establishes her initial beneficial ownership disclosure baseline without reporting any stock purchases, sales, or other transactions in this filing.

Did Mondolo Alicia Lucia buy or sell Ternium (TX) shares in this Form 3?

No transactions are reported in this Form 3 for Ternium S.A. The filing lists no purchases, sales, acquisitions, or dispositions of TX securities; it only records Alicia Lucia Mondolo’s status as a director and initial beneficial ownership reporting position.

What insider role does Mondolo Alicia Lucia hold at Ternium S.A. (TX)?

Alicia Lucia Mondolo is identified as a director of Ternium S.A. in the Form 3. Being a director makes her an insider for reporting purposes, requiring disclosure of her beneficial ownership and future transactions in the company’s securities under applicable regulations.

Why is a Form 3 important for Ternium (TX) investors?

Form 3 establishes an insider’s initial ownership disclosure when they become reportable at Ternium S.A. It helps investors track future Form 4 or Form 5 filings by the same insider, giving transparency into subsequent trading activity relative to this baseline status.

Does the Ternium (TX) Form 3 include any beneficial ownership footnote details?

The Form 3 includes a footnote section, but no specific explanatory text is provided in the excerpt. With no additional detail shown, the key information is the reporting person’s role as director and the absence of any listed transactions in this filing.