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美国

证券交易委员会

华盛顿特区\n20549

表格 8-K

当前报告

根据1934年证券交易法第 13 或 15(d) 条

报告日期（最早事件报告日期）\n2026年10月19日

钢铁动力公司\n

(注册人章程中指定的准确名称)

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

印第安纳州		0-21719		35-1929476
(州\n 或其他司法管辖区注册地)		(委员会\n 文件编号)		(联邦税务\n 识别号 \n )

7575\n西杰斐逊大道, 印第安纳波利斯,\n印第安纳州 46804

(主要执行办公室地址) (邮政编码)

注册人的电话号码，包括地区代码: 260-969-3500

不适用

(如果自上次报告以来名称或地址有所更改，请填写原名称或原地址)

如果本8-K表格的提交旨在同时满足注册人根据以下任何规定下的提交义务，请在下面适当的框中打勾：

\n\n

¨	根据证券法第425条的书面沟通（17 CFR 230.425）

\n\n

¨	根据交易所法案第14a-12条的征求材料（17 CFR 240.14a-12）

\n\n

¨	根据交易所法案第14d-2(b) 条的开始前沟通（17 CFR 240.14d-2(b)）

\n\n

¨	根据交易所法案第13e-4(c) 条的开始前沟通（17 CFR 240.13e-4(c)）

根据法案第 12(b) 条注册的证券：

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

每类的名称	交易代码	每种证券在其中注册的交易所名称
普通股，有投票权，面值0.0025美元	STLD	纳斯达克全球精选市场

通过勾选方框表明注册人是否是根据1933年证券法第405条（§230.405\n本章）或1934年证券交易法第12b-2条（§240.12b-2本章）定义的新兴成长公司。

新兴成长公司 ¨

如果为新兴成长公司，请通过勾选方框表明注册人是否已选择不使用根据交易所法案第13(a) 条提供的任何新修订的财务会计标准的延长过渡期。 ¨

第2.02项。经营成果和财务状况

2026年10月19日，钢铁动力公司发布了题为“钢铁动力公司公布2026年第三季度业绩”的新闻稿。该新闻稿作为本项2.02项的附件99.1附于此。

附件99.1中包含的信息根据本第2.02项提供，不得视为根据1934年证券交易法（经修订）第18条“提交”或在任何此类提交或根据1933年证券法（经修订）的任何文件中引用，除非在任何此类文件中明确通过具体引用说明。

第9.01项。财务报表和附件

\n\n \n \n \n

(d )

附件。

以下展品随本报告一同提供：

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

	展品编号	描述

	99.1	一份发布于2026年10月19日的新闻稿，标题为“Steel Dynamics 公布2026年第三季度业绩。”

	104	封面页交互数据文件 – 封面页交互数据文件未出现在交互数据文件中，因为其XBRL标签已嵌入内联XBRL文档中。

签名

根据1934年证券交易法的要求，注册人已 duly 促使本报告由此处 duly 授权的人员代表其签署。

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

		STEEL DYNAMICS, INC.

		/s/ Theresa E. Wagler

日期：2026年10月20日	由：	Theresa E. Wagler
	职位：	执行副总裁兼首席财务官

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