Steel Dynamics Inc

On October 19, 2026, Steel Dynamics, Inc. issued a press release titled "Steel Dynamics Announces Leadership Promotions." A copy of that press release is attached hereto as Exhibit 99.1 and incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

The following exhibit is filed with this report:

99.1 A press release dated October 19, 2026, titled "Steel Dynamics Announces Leadership Promotions."

104 Cover Page Interactive Data File - the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.