<SEC-DOCUMENT>0001292814-25-004311-index.html : 20251217 <SEC-HEADER>0001292814-25-004311.hdr.sgml : 20251217 <ACCEPTANCE-DATETIME>20251217163102 ACCESSION NUMBER: 0001292814-25-004311 CONFORMED SUBMISSION TYPE: 6-K PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20251231 FILED AS OF DATE: 20251217 DATE AS OF CHANGE: 20251217 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NATIONAL STEEL CO CENTRAL INDEX KEY: 0001049659 STANDARD INDUSTRIAL CLASSIFICATION: STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310] ORGANIZATION NAME: 04 Manufacturing EIN: 000000000 STATE OF INCORPORATION: D5 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 6-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-14732 FILM NUMBER: 251579713 BUSINESS ADDRESS: ADDRESS IS A NON US LOCATION: YES STREET 1: BRIGADEIRO FARIA LIMA AVENUE, 3400 STREET 2: ITAIM BIBI - 19/20 FLOOR CITY: SAO PAULO NON US STATE TERRITORY: SAO PAULO PROVINCE COUNTRY: D5 ZIP: 04538-132 BUSINESS PHONE: 55 11 3049-7585 MAIL ADDRESS: ADDRESS IS A NON US LOCATION: YES STREET 1: BRIGADEIRO FARIA LIMA AVENUE, 3400 STREET 2: ITAIM BIBI - 19/20 FLOOR CITY: SAO PAULO NON US STATE TERRITORY: SAO PAULO PROVINCE COUNTRY: D5 ZIP: 04538-132 </SEC-HEADER> <DOCUMENT> <TYPE>6-K <SEQUENCE>1 <FILENAME>sid20251217_6k.htm <DESCRIPTION>6-K <TEXT> Document 1 - file: sid20251217_6k.htm
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