Nexa Resources (NEXA) smelting operations officer files initial Form 3

Rhea-AI Filing Summary

Nexa Resources S.A. officer Da Silva Fernando Demuner filed an initial statement of beneficial ownership on Form 3. He is identified as the company’s Smelting Operations Officer and is not listed as a director or 10% owner. The filing reports no transactions or derivative holdings.

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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^*

Da Silva Fernando Demuner

(Last) (First) (Middle)

37A AVENUE J.F. KENNEDY

(Street)

LUXEMBOURG GRAND DUCHY OF LUXEMBOURG L-1855

(City) (State) (Zip)

LUXEMBOURG

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Nexa Resources S.A. [ NEXA ]

3a. Foreign Trading Symbol

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

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

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

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:

No securities are beneficially owned.

	/s/ Felipe da Silva Azevedo, attorney-in-fact for Fernando Demuner da Silva	03/18/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Nexa Resources (NEXA) Form 3 filing by Da Silva Fernando Demuner show?

The Form 3 shows that Da Silva Fernando Demuner is a Smelting Operations Officer of Nexa Resources S.A. and not a director or 10% owner. The filing reports no transactions and no derivative holdings in this disclosure.

Did Da Silva Fernando Demuner buy or sell Nexa Resources (NEXA) shares in this Form 3?

No, this Form 3 reports no buy or sell transactions by Da Silva Fernando Demuner. The transaction summary lists zero purchases, sales, exercises, gifts, tax withholdings, or restructurings, indicating only an initial ownership disclosure.

What role does Da Silva Fernando Demuner hold at Nexa Resources (NEXA)?

Da Silva Fernando Demuner is identified as Smelting Operations Officer of Nexa Resources S.A. in the Form 3. He is not reported as a director or a 10% owner, which helps clarify his status as an officer-level insider at the company.

Are any derivative securities reported for Da Silva Fernando Demuner in Nexa Resources (NEXA) Form 3?

No derivative securities are reported for Da Silva Fernando Demuner. The derivativeSummary is empty and derivativeTransactionCount is zero, indicating no listed options, warrants, or other derivative positions in this particular ownership statement.

Does the Nexa Resources (NEXA) Form 3 for Da Silva Fernando Demuner indicate net buying or selling?

The Form 3 indicates a neutral net buy/sell direction. NetBuySellShares is zero and netBuySellDirection is labeled neutral, consistent with the absence of any reported purchase, sale, or exercise transactions in this filing.