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Steel Dynamics Inc. SEC filings

In the twelve months since 23 September 2025 Steel Dynamics Inc. filed 31 documents with the SEC of the kinds listed here: 22 current reports (8-K), about 8 regulation fd disclosure; 7 other events; 4 officer or director change; 4 results of operations; 2 material agreement; 3 quarterly reports (10-Q), 1 conflict minerals report (SD), 1 annual report to shareholders (ARS), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A), 1 annual report (10-K). The latest, filed 18 September 2026: 8-K, regulation fd disclosure.

FiledFormWhat it was aboutPeriod or event dateFiling
18 September 20268-KRegulation FD disclosure17 September 2026EDGAR
18 August 20268-K/AOfficer or director change3 August 2026EDGAR
14 August 20268-KOther events14 August 2026EDGAR
4 August 20268-KOfficer or director change, Regulation FD disclosure3 August 2026EDGAR
28 July 202610-Qquarterly report30 June 2026EDGAR
21 July 20268-KResults of operations20 July 2026EDGAR
18 June 20268-KRegulation FD disclosure17 June 2026EDGAR
1 June 2026SDconflict minerals reportEDGAR
8 May 20268-KShareholder vote, Other events6 May 2026EDGAR
27 April 202610-Qquarterly report31 March 2026EDGAR
21 April 20268-KResults of operations20 April 2026EDGAR
27 March 20268-KOfficer or director change, Regulation FD disclosure25 March 2026EDGAR
27 March 2026ARSannual report to shareholders31 December 2025EDGAR
27 March 2026DEFA14Aadditional proxy materialEDGAR
27 March 2026DEF 14Aproxy statement6 May 2026EDGAR
18 March 20268-KRegulation FD disclosure17 March 2026EDGAR
27 February 202610-Kannual report31 December 2025EDGAR
23 February 20268-KOther events20 February 2026EDGAR
17 February 20268-KRegulation FD disclosure17 February 2026EDGAR
27 January 20268-KResults of operations26 January 2026EDGAR
6 January 20268-KRegulation FD disclosure5 January 2026EDGAR
23 December 20258-KMaterial agreement21 December 2025EDGAR
17 December 20258-KRegulation FD disclosure17 December 2025EDGAR
12 December 2025S-3ASRshelf registrationEDGAR
2 December 20258-KOther events1 December 2025EDGAR
21 November 20258-KMaterial agreement, New financial obligation, Other events18 November 2025EDGAR
12 November 20258-KOther events11 November 2025EDGAR
10 November 20258-KOther events7 November 2025EDGAR
24 October 202510-Qquarterly report30 September 2025EDGAR
21 October 20258-KResults of operations20 October 2025EDGAR
30 September 20258-K/AOfficer or director change9 May 2025EDGAR

An 8-K is what a company files within four business days of a material event; the SEC numbers the events, and the words here are the SEC's own headings, shortened. Form 4, Form 144, 13F and Schedule 13D and 13G have their own pages. Prospectus supplements and correspondence are not listed.

Source

The company's filing index on EDGAR, read from the SEC's submissions feed.

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