Steel Dynamics Inc SEC filings STLD

Steel Dynamics Inc has 1,003 filings in SEC EDGAR's recent list, going back to Jun 5, 2019. Its latest annual report, Form ARS, was filed on Mar 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 23, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 20, 2026 (results of operations). The company's fiscal year ends on December 31.

Steel Dynamics Inc SEC filings
Form Description Filed Period
4 Insider transaction Nov 4, 2026 Nov 3, 2026
144 Notice of proposed sale Nov 3, 2026 —
10-Q Quarterly report Oct 23, 2026 Sep 30, 2026
8-K Current report
Results of operations
Oct 20, 2026 Oct 19, 2026
8-K Current report
Other events
Oct 19, 2026 Oct 19, 2026
4 Insider transaction Oct 9, 2026 Oct 9, 2026
4 Insider transaction Oct 9, 2026 Oct 9, 2026
4 Insider transaction Oct 9, 2026 Oct 9, 2026
4 Insider transaction Oct 9, 2026 Oct 9, 2026
4 Insider transaction Oct 9, 2026 Oct 9, 2026
4 Insider transaction Oct 9, 2026 Oct 9, 2026
8-K Current report
Regulation FD disclosure
Sep 18, 2026 Sep 17, 2026
8-K/A Amended current report
Officer or director change
Aug 18, 2026 Aug 3, 2026
4 Insider transaction Aug 14, 2026 Aug 13, 2026
8-K Current report
Other events
Aug 14, 2026 Aug 14, 2026
SCHEDULE 13G Ownership over 5% (passive) Aug 6, 2026 —
8-K Current report
Officer or director change, Regulation FD disclosure
Aug 4, 2026 Aug 3, 2026
4 Insider transaction Jul 28, 2026 Jul 28, 2026
10-Q Quarterly report Jul 28, 2026 Jun 30, 2026
8-K Current report
Results of operations
Jul 21, 2026 Jul 20, 2026
4 Insider transaction Jul 14, 2026 Jul 10, 2026
4 Insider transaction Jul 14, 2026 Jul 10, 2026
4 Insider transaction Jul 14, 2026 Jul 10, 2026
4 Insider transaction Jul 14, 2026 Jul 10, 2026
4 Insider transaction Jul 14, 2026 Jul 10, 2026
4 Insider transaction Jul 14, 2026 Jul 10, 2026
8-K Current report
Regulation FD disclosure
Jun 18, 2026 Jun 17, 2026
4 Insider transaction Jun 8, 2026 Jun 5, 2026
144 Notice of proposed sale Jun 5, 2026 —
144 Notice of proposed sale Jun 2, 2026 —
4 Insider transaction Jun 1, 2026 Jun 1, 2026
4 Insider transaction Jun 1, 2026 Jun 1, 2026
4 Insider transaction Jun 1, 2026 Jun 1, 2026
4 Insider transaction Jun 1, 2026 Jun 1, 2026
4 Insider transaction Jun 1, 2026 Jun 1, 2026
4 Insider transaction Jun 1, 2026 Jun 1, 2026
144 Notice of proposed sale Jun 1, 2026 —
SD Specialized disclosure (conflict minerals) Jun 1, 2026 —
4 Insider transaction May 15, 2026 May 13, 2026
4 Insider transaction May 15, 2026 May 14, 2026
4 Insider transaction May 14, 2026 May 12, 2026
144 Notice of proposed sale May 13, 2026 —
144 Notice of proposed sale May 12, 2026 —
SCHEDULE 13G Ownership over 5% (passive) May 12, 2026 —
8-K Current report
Shareholder vote results, Other events
May 8, 2026 May 6, 2026
4 Insider transaction May 7, 2026 May 6, 2026
4 Insider transaction May 7, 2026 May 6, 2026
4 Insider transaction May 7, 2026 May 6, 2026
4 Insider transaction May 4, 2026 May 1, 2026
SCHEDULE 13G Ownership over 5% (passive) Apr 30, 2026 —
10-Q Quarterly report Apr 27, 2026 Mar 31, 2026
4 Insider transaction Apr 24, 2026 Apr 23, 2026
4 Insider transaction Apr 24, 2026 Apr 23, 2026
144 Notice of proposed sale Apr 23, 2026 —
144 Notice of proposed sale Apr 23, 2026 —
8-K Current report
Results of operations
Apr 21, 2026 Apr 20, 2026
4 Insider transaction Apr 13, 2026 Apr 10, 2026
4 Insider transaction Apr 13, 2026 Apr 10, 2026
4 Insider transaction Apr 13, 2026 Apr 10, 2026
4 Insider transaction Apr 13, 2026 Apr 10, 2026
4 Insider transaction Apr 13, 2026 Apr 10, 2026
4 Insider transaction Apr 13, 2026 Apr 10, 2026
4 Insider transaction Apr 13, 2026 Apr 10, 2026
4 Insider transaction Apr 13, 2026 Apr 10, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 27, 2026 —
8-K Current report
Officer or director change, Regulation FD disclosure
Mar 27, 2026 Mar 25, 2026
ARS Annual report to shareholders Mar 27, 2026 Dec 31, 2025
DEFA14A Additional proxy material Mar 27, 2026 —
DEF 14A Proxy statement Mar 27, 2026 May 6, 2026
8-K Current report
Regulation FD disclosure
Mar 18, 2026 Mar 17, 2026
4 Insider transaction Mar 13, 2026 Mar 13, 2026
4 Insider transaction Mar 13, 2026 Mar 13, 2026
4 Insider transaction Mar 13, 2026 Mar 13, 2026
4 Insider transaction Mar 13, 2026 Mar 13, 2026
4 Insider transaction Mar 13, 2026 Mar 13, 2026
4 Insider transaction Mar 13, 2026 Mar 13, 2026
4 Insider transaction Mar 13, 2026 Mar 13, 2026
4 Insider transaction Mar 2, 2026 Mar 2, 2026
10-K Annual report Feb 27, 2026 Dec 31, 2025
4 Insider transaction Feb 25, 2026 Feb 23, 2026
4 Insider transaction Feb 25, 2026 Feb 23, 2026
4 Insider transaction Feb 25, 2026 Feb 23, 2026
4 Insider transaction Feb 25, 2026 Feb 23, 2026
4 Insider transaction Feb 25, 2026 Feb 23, 2026
4 Insider transaction Feb 25, 2026 Feb 23, 2026
4 Insider transaction Feb 25, 2026 Feb 23, 2026
4 Insider transaction Feb 24, 2026 Feb 20, 2026
4 Insider transaction Feb 24, 2026 Feb 20, 2026
4 Insider transaction Feb 24, 2026 Feb 20, 2026
4 Insider transaction Feb 24, 2026 Feb 20, 2026
4 Insider transaction Feb 24, 2026 Feb 20, 2026
4 Insider transaction Feb 24, 2026 Feb 20, 2026
4 Insider transaction Feb 24, 2026 Feb 20, 2026
4 Insider transaction Feb 24, 2026 Feb 20, 2026
4 Insider transaction Feb 24, 2026 Feb 20, 2026
4 Insider transaction Feb 23, 2026 Feb 20, 2026
4 Insider transaction Feb 23, 2026 Feb 20, 2026
4 Insider transaction Feb 23, 2026 Feb 20, 2026
8-K Current report
Other events
Feb 23, 2026 Feb 20, 2026
8-K Current report
Regulation FD disclosure
Feb 17, 2026 Feb 17, 2026
4 Insider transaction Feb 3, 2026 Feb 2, 2026
4 Insider transaction Feb 3, 2026 Feb 2, 2026
4 Insider transaction Feb 3, 2026 Feb 2, 2026
8-K Current report
Results of operations
Jan 27, 2026 Jan 26, 2026
4 Insider transaction Jan 12, 2026 Jan 9, 2026
4 Insider transaction Jan 12, 2026 Jan 9, 2026
4 Insider transaction Jan 12, 2026 Jan 9, 2026
4 Insider transaction Jan 12, 2026 Jan 9, 2026
4 Insider transaction Jan 12, 2026 Jan 9, 2026
4 Insider transaction Jan 12, 2026 Jan 9, 2026
4 Insider transaction Jan 12, 2026 Jan 9, 2026
4 Insider transaction Jan 12, 2026 Jan 9, 2026
4 Insider transaction Jan 12, 2026 Jan 9, 2026
8-K Current report
Regulation FD disclosure
Jan 6, 2026 Jan 5, 2026
8-K Current report
Material agreement
Dec 23, 2025 Dec 21, 2025
8-K Current report
Regulation FD disclosure
Dec 17, 2025 Dec 17, 2025
S-3ASR Automatic shelf registration Dec 12, 2025 —
4 Insider transaction Dec 10, 2025 Dec 9, 2025
8-K Current report
Other events
Dec 2, 2025 Dec 1, 2025
4 Insider transaction Nov 25, 2025 Nov 21, 2025
4 Insider transaction Nov 25, 2025 Nov 21, 2025
4 Insider transaction Nov 25, 2025 Nov 21, 2025
4 Insider transaction Nov 25, 2025 Nov 21, 2025
4 Insider transaction Nov 25, 2025 Nov 21, 2025
4 Insider transaction Nov 25, 2025 Nov 21, 2025
4 Insider transaction Nov 25, 2025 Nov 21, 2025
4 Insider transaction Nov 25, 2025 Nov 21, 2025
4 Insider transaction Nov 25, 2025 Nov 21, 2025
4 Insider transaction Nov 25, 2025 Nov 21, 2025
3 Initial insider ownership Nov 24, 2025 Nov 10, 2025
8-K Current report
Material agreement, New debt, Other events
Nov 21, 2025 Nov 18, 2025
424B2 Prospectus Nov 19, 2025 —
FWP Free writing prospectus Nov 19, 2025 —
FWP Free writing prospectus Nov 18, 2025 —
424B5 Prospectus supplement Nov 18, 2025 —
8-K Current report
Other events
Nov 12, 2025 Nov 11, 2025
8-K Current report
Other events
Nov 10, 2025 Nov 7, 2025
4 Insider transaction Nov 6, 2025 Nov 6, 2025
4 Insider transaction Nov 6, 2025 Nov 6, 2025
4 Insider transaction Nov 6, 2025 Nov 6, 2025
4 Insider transaction Oct 30, 2025 Oct 29, 2025
144 Notice of proposed sale Oct 29, 2025 —
10-Q Quarterly report Oct 24, 2025 Sep 30, 2025
8-K Current report
Results of operations
Oct 21, 2025 Oct 20, 2025
4 Insider transaction Oct 14, 2025 Oct 10, 2025
4 Insider transaction Oct 14, 2025 Oct 10, 2025
4 Insider transaction Oct 14, 2025 Oct 10, 2025
4 Insider transaction Oct 14, 2025 Oct 10, 2025
4 Insider transaction Oct 14, 2025 Oct 10, 2025
4 Insider transaction Oct 14, 2025 Oct 10, 2025
4 Insider transaction Oct 14, 2025 Oct 10, 2025
4 Insider transaction Oct 14, 2025 Oct 10, 2025
8-K/A Amended current report
Officer or director change
Sep 30, 2025 May 9, 2025
4 Insider transaction Sep 18, 2025 Sep 18, 2025
8-K Current report
Regulation FD disclosure
Sep 15, 2025 Sep 15, 2025
4 Insider transaction Sep 15, 2025 Sep 12, 2025
8-K Current report
Other events
Aug 19, 2025 Aug 19, 2025
4 Insider transaction Aug 15, 2025 Aug 14, 2025
4 Insider transaction Aug 15, 2025 Aug 14, 2025
4 Insider transaction Aug 15, 2025 Aug 14, 2025
8-K Current report
Other events
Aug 15, 2025 Aug 14, 2025
10-Q Quarterly report Aug 11, 2025 Jun 30, 2025
4 Insider transaction Jul 31, 2025 Jul 30, 2025
144 Notice of proposed sale Jul 29, 2025 —
8-K Current report
Results of operations
Jul 22, 2025 Jul 21, 2025
4 Insider transaction Jul 14, 2025 Jul 11, 2025
4 Insider transaction Jul 14, 2025 Jul 11, 2025
4 Insider transaction Jul 14, 2025 Jul 11, 2025
4 Insider transaction Jul 14, 2025 Jul 11, 2025
4 Insider transaction Jul 14, 2025 Jul 11, 2025
4 Insider transaction Jul 14, 2025 Jul 11, 2025
4 Insider transaction Jul 14, 2025 Jul 11, 2025
4 Insider transaction Jul 14, 2025 Jul 11, 2025
8-K Current report
Regulation FD disclosure
Jun 18, 2025 Jun 18, 2025
4 Insider transaction Jun 9, 2025 Jun 6, 2025
144 Notice of proposed sale Jun 6, 2025 —
4 Insider transaction Jun 3, 2025 Jun 2, 2025
4 Insider transaction Jun 3, 2025 Jun 2, 2025
4 Insider transaction Jun 3, 2025 Jun 2, 2025
4 Insider transaction Jun 3, 2025 Jun 2, 2025
4 Insider transaction Jun 3, 2025 Jun 2, 2025
4 Insider transaction Jun 3, 2025 Jun 2, 2025
4 Insider transaction Jun 3, 2025 Jun 2, 2025
4 Insider transaction Jun 3, 2025 Jun 2, 2025
SD Specialized disclosure (conflict minerals) May 30, 2025 —
4 Insider transaction May 20, 2025 May 20, 2025
144 Notice of proposed sale May 20, 2025 —
4 Insider transaction May 20, 2025 May 19, 2025
4 Insider transaction May 14, 2025 May 9, 2025
10-Q Quarterly report May 12, 2025 Mar 31, 2025
8-K Current report
Officer or director change, Other events
May 12, 2025 May 9, 2025
8-K Current report
Other events
Apr 30, 2025 Apr 28, 2025
8-K Current report
Shareholder vote results
Apr 29, 2025 Apr 25, 2025
4 Insider transaction Apr 25, 2025 Apr 25, 2025
4 Insider transaction Apr 25, 2025 Apr 25, 2025
8-K Current report
Results of operations
Apr 23, 2025 Apr 22, 2025
4 Insider transaction Apr 14, 2025 Apr 11, 2025
4 Insider transaction Apr 14, 2025 Apr 11, 2025
4 Insider transaction Apr 14, 2025 Apr 11, 2025
4 Insider transaction Apr 14, 2025 Apr 11, 2025

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) (SIC 3312)
Listed as
STLD (Nasdaq)
Fiscal year ends
December 31
Incorporated in
IN
Headquarters
Fort Wayne, IN
SEC filer status
Large accelerated filer
SEC CIK
1022671
Former names
STEEL DYNAMICS INC (until Nov 4, 2026)

Other Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.