Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0002121945-26-000001
Filing Date
2026-03-18
Accepted
2026-03-18 17:28:43
Documents
4
Period of Report
2025-12-09

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 3  
1 PRIMARY DOCUMENT primary_doc.xml 3 1721
2 POWER OF ATTORNEY martinez.htm EX-24 325
3 martinez1.jpg GRAPHIC 376753
4 martinez2.jpg GRAPHIC 387122
  Complete submission text file 0002121945-26-000001.txt   1056038
Mailing Address BRIGADEIRO FARIA LIMA AVENUE, 3400 ITAIM BIBI - 19/20 FLOOR SAO PAULO SAO PAULO Brazil 04538-132
Business Address BRIGADEIRO FARIA LIMA AVENUE, 3400 ITAIM BIBI - 19/20 FLOOR SAO PAULO SAO PAULO Brazil 04538-132 55 11 3049-7585
NATIONAL STEEL CO (Issuer) CIK: 0001049659 (see all company filings)

EIN.: 000000000 | State of Incorp.: D5 | Fiscal Year End: 1231
SIC: 3310 Steel Works, Blast Furnaces & Rolling & Finishing Mills
(CF Office: 04 Manufacturing)

Mailing Address AVENIDA BRIGADEIRO FARIA LIMA, 3400 20 ANDAR SAO PAULO SAO PAULO Brazil 04538-132
Business Address
Barbosa Martinez Luis Fernando (Reporting) CIK: 0002121945 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-14732 | Film No.: 26770618