[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_96":97},"en-item",{"_9":10,"_10":11},"kind","item",{"_12":13,"_14":15,"_16":17,"_18":19,"_20":21,"_22":-5,"_23":24,"_25":26,"_27":28,"_29":30,"_31":30,"_32":33,"_34":35,"_36":37,"_38":39,"_40":41,"_42":43,"_44":45,"_46":-5,"_47":48,"_49":-5,"_50":-5,"_51":52,"_53":54,"_55":56,"_57":41,"_58":41,"_59":60,"_61":41,"_62":63},"id","j3rv454jeolv9jb5jrh8sv58y","revision",2,"title","Gerdau S.A. 提交 6-K 文件，附 2026 年第三季度业绩材料","originalTitle","6-K - GERDAU S.A. (0001073404) (Filer)","summary","Gerdau S.A. 于 10 月 26 日向美国证券交易委员会提交 6-K 文件，附件为 3Q26 季度业绩材料。公司在文件中勾选将提交 Form 20-F 年报。","reason","source",{"_12":87,"_88":89,"_9":90,"_91":41,"_92":93,"_94":95},"links",{"_84":85,"_77":86},"publishedAt","2026-10-26T21:19:23.000Z","discoveredAt","2026-10-27T02:19:41.084Z","timelineAt","category","ai-products","tags",[82,83],"stockSymbols",[81],"score",17,"selected",true,"channel","news","story",{"_72":73,"_16":74},"x","readingMode","full","author","language","body",{"_63":76,"_77":-5,"_78":79,"_80":41},"outline",[],"relatedStories",[75],"indexable","markdownAvailable","group",{"_64":65,"_44":66,"_67":68,"_69":70,"_71":70},"hasTranslation","bodyLanguage","zh","factId","f7e3YQcbVR04",{"_72":73,"_16":74},"reportCount",1,"additionalSourceCount",0,"developmentCount","publicId","93e54b8a-c843-40d2-89a6-fb79e5c9e11f","Gerdau提交2026年第三季度业绩材料",{"_72":73,"_16":74},"

美国证券交易委员会

华盛顿特区 20549

6-K 表

外国私人发行人报告

根据《证券交易法》第 13a-16 条或第 15d-16 条

1934 年《证券\n交易法》

日期：2026 年 10 月 26 日

委员会档案编号 1-14878

GERDAU S.A.

（注册人名称英译）

Av. Dra. Ruth Cardoso, 8,501 – 8° andar

São Paulo, São Paulo - Brazil CEP\n05425-070

（主要行政办公室地址）

请勾选说明注册人是否以 20-F 表或 40-F 表提交或将提交年度报告。

20-F 表 x \n40-F 表 ¨

附件索引

\n \n \n \n \n \n \n \n \n \n \n \n \n

附件		附件说明

99.1		Gerdau S.A. 2026 年第三季度业绩

签名

根据 1934 年《证券交易法》的要求，注册人已正式授权下列签署人代表其签署本报告。

日期： 2026 年 10 月 26 日

\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n

	GERDAU S.A.

	签署人：	/s/ Rafael Dorneles Japur
	姓名：	Rafael Dorneles Japur
	职务：	副总裁兼投资者关系主管

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