Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]:
SEC Accession No. 0001292814-25-004323
Filing Date
2025-12-19
Accepted
2025-12-18 19:20:27
Documents
1
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 6-K sid20251218_6k.htm 6-K 13762
  Complete submission text file 0001292814-25-004323.txt   15090
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 (Filer) CIK: 0001049659 (see all company filings)

EIN.: 000000000 | State of Incorp.: D5 | Fiscal Year End: 1231
Type: 6-K | Act: 34 | File No.: 001-14732 | Film No.: 251584635
SIC: 3310 Steel Works, Blast Furnaces & Rolling & Finishing Mills
(CF Office: 04 Manufacturing)