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STEEL DYNAMICS INC — Investor Relations & Filings

Ticker · STLD ISIN · US8581191009 LEI · 549300HGGKEL4FYTTQ83 US Manufacturing
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Filings indexed 1,873 across all filing types
Latest filing 2026-06-01 Regulatory Filings
Country US United States of America
Listing US STLD

About STEEL DYNAMICS INC

https://www.steeldynamics.com/

Steel Dynamics Inc. (SDI) is a diversified industrial metals company and one of the largest steel producers and metals recyclers in North America. The company operates on a circular manufacturing model, primarily utilizing recycled scrap metal in its electric arc furnace (EAF) mills to produce steel products with lower carbon emissions. Its operations are organized across several platforms: steel, metals recycling, steel fabrication, and aluminum. The steel platform produces a wide range of products, including flat roll, structural, and long products, serving key markets like construction, automotive, and energy. The steel fabrication division provides value-added products, and the company is actively diversifying its portfolio with investments in aluminum flat-rolled production.

Recent filings

Filing Released Lang Actions
FORM SD
Regulatory Filings Classification · 85% confidence The document is an SEC Form SD (“Specialized Disclosure Report”) filed under Rule 13p-1 for conflict minerals. It is not an Annual Report (10-K), interim report, proxy statement, earnings release, or any of the other more specific categories. Therefore it falls into the catch-all category for miscellaneous regulatory filings (RNS).
2026-06-01 English
8-K - STEEL DYNAMICS INC (0001022671) (Filer)
Declaration of Voting Results & Voting Rights Announcements Classification · 97% confidence The document is a Form 8-K filing reporting the vote results from the Annual Meeting of Shareholders (Item 5.07 Submission of Matters to a Vote of Security Holders), including tallies for election of directors, auditor ratification, executive compensation advisory vote, and a shareholder proposal. This is a Declaration of Voting Results & Voting Rights Announcement.
2026-05-08 English
10-Q - STEEL DYNAMICS INC (0001022671) (Filer)
Interim / Quarterly Report
2026-04-27 English
8-K - STEEL DYNAMICS INC (0001022671) (Filer)
Earnings Release Classification · 95% confidence The document is a Form 8-K filed with the SEC, dated April 20, 2026, by Steel Dynamics, Inc. It reports the issuance of a press release titled 'Steel Dynamics Reports First Quarter 2026 Results.' The document explicitly states that the press release is attached as Exhibit 99.1 and that the information is furnished under Item 2.02 (Results of Operations and Financial Condition). The Form 8-K is a current report used to announce significant events, including earnings releases. The content and context indicate this is an initial announcement of quarterly financial results, which aligns with the definition of an Earnings Release (ER). The document length is 4141 characters, which is relatively short and consistent with an earnings release announcement rather than a full interim report. Therefore, the appropriate classification is Earnings Release (ER).
2026-04-21 English
SCHEDULE 13G/A - STEEL DYNAMICS INC (0001022671) (Subject)
Major Shareholding Notification
2026-03-27 English
8-K - STEEL DYNAMICS INC (0001022671) (Filer)
Regulatory Filings
2026-03-27 English

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