National Steel (NYSE: SID) executive reports initial Form 3 ownership

Rhea-AI Filing Summary

NATIONAL STEEL CO executive officer Teixeira de Freitas Pedro Van Langendonck filed an initial ownership report on Form 3. This filing lists him as an executive officer of the company but does not report any transactions or holdings in the excerpt provided.

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^*

Teixeira de Freitas Pedro Van Langendonck

(Last) (First) (Middle)

AVENIDA BRIGADEIRO FARIA LIMA, 3400

20 ANDAR

(Street)

SAO PAULO SAO PAULO 04538-132

(City) (State) (Zip)

BRAZIL

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
12/09/2025

3. Issuer Name and Ticker or Trading Symbol
NATIONAL STEEL CO [ SID ]

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)
	Executive 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/ Mayra Favero Celleguin, Attorney-in-Fact for Pedro Van Langendonck Teixeira de Freitas	03/26/2026
	** 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 NATIONAL STEEL CO (SID) Form 3 filing show?

The Form 3 shows that Teixeira de Freitas Pedro Van Langendonck is an Executive Officer of NATIONAL STEEL CO. The summarized data reports no share purchases, sales, gifts, or derivative exercises in this excerpt, indicating only an initial ownership status filing.

Who is the reporting person in the NATIONAL STEEL CO (SID) Form 3?

The reporting person is Teixeira de Freitas Pedro Van Langendonck, identified as an Executive Officer of NATIONAL STEEL CO. The filing classifies him as an officer, not a director or ten percent owner, based on the structured data provided.

Are there any share transactions reported in this NATIONAL STEEL CO (SID) Form 3?

No transactions are reported in this Form 3 excerpt. The transaction summary shows zero buys, zero sells, zero gifts, and zero derivative exercises, indicating no trading activity was disclosed with this initial ownership statement for the executive officer.

Does the NATIONAL STEEL CO (SID) Form 3 indicate option or derivative positions?

The derivative section in this Form 3 excerpt is empty. The derivativeSummary shows no remaining options, warrants, or other derivatives reported for the executive officer, and derivative transaction counts and shares are all listed as zero in the summary data.

What is the net trading direction in the NATIONAL STEEL CO (SID) Form 3?

The net trading direction is classified as neutral. The transactionSummary shows no buy or sell shares and reports a netBuySellShares value of zero, indicating no net acquisition or disposition activity associated with this Form 3 excerpt.