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Steel Dynamics Inc

STLD
Exchange
Nasdaq
Industry
Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
SEC CIK
0001022671

In the last 90 days, Steel Dynamics Inc insiders filed 0 open-market purchases and 1 sale; 1,026 institutions reported holding it in 13F filings for Q2 2026, worth $27.3B in total; no superinvestor holds it.

SEC filings

10-K, 10-Q, 8-K, 20-F and 40-F reports Steel Dynamics Inc filed with the SEC, newest first.

Livermore lists each filing's form, 8-K items and dates only. To read a filing, open it on SEC.gov; an 8-K's press release or other attachments, such as exhibit 99.1 for Item 2.02, are in the filing index.

SEC filings by Steel Dynamics Inc
FiledForm8-K itemsPeriodDocumentFiling index
Nov 10, 20268-K8.019.01Nov 9, 2026SECIndex
Oct 23, 202610-Q–Sep 30, 2026SECIndex
Oct 20, 20268-K2.029.01Oct 19, 2026SECIndex
Oct 19, 20268-K8.019.01Oct 19, 2026SECIndex
Sep 18, 20268-K7.019.01Sep 17, 2026SECIndex
Aug 18, 20268-K/A5.02Aug 3, 2026SECIndex
Aug 14, 20268-K8.019.01Aug 14, 2026SECIndex
Aug 4, 20268-K5.027.019.01Aug 3, 2026SECIndex
Jul 28, 202610-Q–Jun 30, 2026SECIndex
Jul 21, 20268-K2.029.01Jul 20, 2026SECIndex
Jun 18, 20268-K7.019.01Jun 17, 2026SECIndex
May 8, 20268-K5.078.019.01May 6, 2026SECIndex
Apr 27, 202610-Q–Mar 31, 2026SECIndex
Apr 21, 20268-K2.029.01Apr 20, 2026SECIndex
Mar 27, 20268-K5.027.019.01Mar 25, 2026SECIndex
Mar 18, 20268-K7.019.01Mar 17, 2026SECIndex
Feb 27, 202610-K–Dec 31, 2025SECIndex
Feb 23, 20268-K8.019.01Feb 20, 2026SECIndex
Feb 17, 20268-K7.019.01Feb 17, 2026SECIndex
Jan 27, 20268-K2.029.01Jan 26, 2026SECIndex
Jan 6, 20268-K7.019.01Jan 5, 2026SECIndex
Dec 23, 20258-K1.01Dec 21, 2025SECIndex
Dec 17, 20258-K7.019.01Dec 17, 2025SECIndex
Dec 2, 20258-K8.019.01Dec 1, 2025SECIndex
Nov 21, 20258-K1.012.038.019.01Nov 18, 2025SECIndex
Nov 12, 20258-K8.019.01Nov 11, 2025SECIndex
Nov 10, 20258-K8.019.01Nov 7, 2025SECIndex
Oct 24, 202510-Q–Sep 30, 2025SECIndex
Oct 21, 20258-K2.029.01Oct 20, 2025SECIndex
Sep 30, 20258-K/A5.02May 9, 2025SECIndex
Sep 15, 20258-K7.019.01Sep 15, 2025SECIndex
Aug 19, 20258-K8.019.01Aug 19, 2025SECIndex
Aug 15, 20258-K8.019.01Aug 14, 2025SECIndex
Aug 11, 202510-Q–Jun 30, 2025SECIndex
Jul 22, 20258-K2.029.01Jul 21, 2025SECIndex
Jun 18, 20258-K7.019.01Jun 18, 2025SECIndex
May 12, 202510-Q–Mar 31, 2025SECIndex
May 12, 20258-K5.028.019.01May 9, 2025SECIndex
Apr 30, 20258-K8.019.01Apr 28, 2025SECIndex
Apr 29, 20258-K5.07Apr 25, 2025SECIndex
Apr 23, 20258-K2.029.01Apr 22, 2025SECIndex
Mar 18, 20258-K7.019.01Mar 17, 2025SECIndex
Mar 12, 20258-K1.012.038.019.01Mar 10, 2025SECIndex
Feb 28, 202510-K–Dec 31, 2024SECIndex
Feb 25, 20258-K8.019.01Feb 24, 2025SECIndex
Jan 23, 20258-K2.029.01Jan 22, 2025SECIndex
Dec 17, 20248-K7.019.01Dec 16, 2024SECIndex
Nov 8, 202410-Q–Sep 30, 2024SECIndex
Nov 8, 20248-K8.019.01Nov 8, 2024SECIndex
Nov 7, 20248-K5.029.01Nov 4, 2024SECIndex