[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_96":97},"routes/item",{"_9":10},"item",{"_11":12,"_13":14,"_15":16,"_17":18,"_19":20,"_21":-5,"_22":23,"_24":25,"_26":27,"_28":29,"_30":29,"_31":32,"_33":34,"_35":36,"_37":38,"_39":40,"_41":42,"_43":44,"_45":-5,"_46":47,"_48":-5,"_49":-5,"_50":51,"_52":53,"_54":55,"_56":40,"_57":40,"_58":59,"_60":40,"_61":62},"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",{"_11":86,"_87":88,"_89":90,"_91":40,"_92":93,"_94":95},"links",{"_83":84,"_76":85},"publishedAt","2026-10-26T21:19:23.000Z","discoveredAt","2026-10-27T02:19:41.084Z","timelineAt","category","ai-products","tags",[81,82],"stockSymbols",[80],"score",17,"selected",true,"channel","news","story",{"_71":72,"_15":73},"x","readingMode","full","author","language","body",{"_62":75,"_76":-5,"_77":78,"_79":40},"outline",[],"relatedStories",[74],"indexable","markdownAvailable","group",{"_63":64,"_43":65,"_66":67,"_68":69,"_70":69},"hasTranslation","bodyLanguage","zh","factId","f7e3YQcbVR04",{"_71":72,"_15":73},"reportCount",1,"additionalSourceCount",0,"developmentCount","publicId","93e54b8a-c843-40d2-89a6-fb79e5c9e11f","Gerdau提交2026年第三季度业绩材料",{"_71":72,"_15":73},"

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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