<SEC-DOCUMENT>0001104659-21-150376-index.html : 20211216 <SEC-HEADER>0001104659-21-150376.hdr.sgml : 20211216 <ACCEPTANCE-DATETIME>20211216120746 ACCESSION NUMBER: 0001104659-21-150376 CONFORMED SUBMISSION TYPE: 6-K PUBLIC DOCUMENT COUNT: 3 CONFORMED PERIOD OF REPORT: 20211216 FILED AS OF DATE: 20211216 DATE AS OF CHANGE: 20211216 FILER: COMPANY DATA: COMPANY CONFORMED NAME: GERDAU S.A. CENTRAL INDEX KEY: 0001073404 STANDARD INDUSTRIAL CLASSIFICATION: STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310] IRS NUMBER: 000000000 STATE OF INCORPORATION: D5 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 6-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-14878 FILM NUMBER: 211496704 BUSINESS ADDRESS: STREET 1: AV DOUTORA RUTH CARDOSO, 8,501 STREET 2: 8TH FLOOR CITY: SAO PAULO, SP STATE: D5 ZIP: 05425-070 BUSINESS PHONE: 011-55-51-3323-2703 MAIL ADDRESS: STREET 1: AV DOUTORA RUTH CARDOSO, 8,501 STREET 2: 8TH FLOOR CITY: SAO PAULO, SP STATE: D5 ZIP: 05425-070 FORMER COMPANY: FORMER CONFORMED NAME: GERDAU SA DATE OF NAME CHANGE: 19981112 </SEC-HEADER> <DOCUMENT> <TYPE>6-K <SEQUENCE>1 <FILENAME>tm2135652d1_6k.htm <DESCRIPTION>FORM 6-K <TEXT> Document 1 - file: tm2135652d1_6k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>tm2135652d1_ex99-1.htm <DESCRIPTION>EXHIBIT 99.1 <TEXT> Document 2 - file: tm2135652d1_ex99-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>tm2135652d1_ex99-1img001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: tm2135652d1_ex99-1img001.jpg
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