Company facts
- Headquarters
- Fort Wayne, Indiana
- Most recent report
- 10-Q, filed Oct 23, 2026
- Incorporated
- Indiana
- Filings on record
- 1,005+ filings
- On EDGAR
- CIK 1022671
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 31
News 8 of 141
Prospectuses and Registrations 8 of 22
- S-3ASR Automatic shelf registration Dec 12, 2025
- 424B2 Prospectus supplement for an offering Nov 19, 2025
- FWP Free writing prospectus Nov 19, 2025
- FWP Free writing prospectus Nov 18, 2025
- 424B5 Prospectus supplement for an offering Nov 18, 2025
- 424B2 Prospectus supplement for an offering Mar 11, 2025
- FWP Free writing prospectus Mar 10, 2025
- 424B5 Prospectus supplement for an offering Mar 10, 2025
Proxies 8 of 16
- DEFA14A Extra proxy material Mar 27, 2026
- DEF 14A Proxy statement for a shareholder vote Mar 27, 2026
- DEFA14A Extra proxy material Mar 13, 2025
- DEF 14A Proxy statement for a shareholder vote Mar 13, 2025
- DEFA14A Extra proxy material Mar 28, 2024
- DEF 14A Proxy statement for a shareholder vote Mar 28, 2024
- DEFA14A Extra proxy material May 1, 2023
- DEFA14A Extra proxy material Mar 30, 2023
Ownership 8 of 776
- 4 Insider reported a trade Nov 6, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Nov 5, 2026
- 4 Insider reported a trade Nov 4, 2026
- 144 Notice of a proposed sale of restricted stock Nov 3, 2026
- 4 Insider reported a trade Oct 9, 2026
- 4 Insider reported a trade Oct 9, 2026
- 4 Insider reported a trade Oct 9, 2026
- 4 Insider reported a trade Oct 9, 2026
Other 8 of 19
- SD Conflict minerals disclosure Jun 1, 2026
- ARS Annual report sent to shareholders Mar 27, 2026
- SD Conflict minerals disclosure May 30, 2025
- ARS Annual report sent to shareholders Mar 13, 2025
- SD Conflict minerals disclosure May 29, 2024
- ARS Annual report sent to shareholders Mar 28, 2024
- UPLOAD Comment letter from SEC staff Jul 13, 2023
- CORRESP Reply to SEC staff Jul 7, 2023
What to read: Sep 2026 10-Q
SECSift found 2 of 11 sections worth reading, with 3 positive, 6 notable, and 0 negative flags.
Item 2
Record steel shipments, 98% operating income jump, and aluminum startup details are all company-specific.PositiveNotable- Steel fabrication operating income fell 15% to $90.6 million in Q3 2026 as metal spread contracted 18%.
- Aluminum mill shipped 55,000 metric tons in Q3 2026; net sales up 373% but operating loss was $26.2 million.
- Interest expense rose 190% to $39.3 million in Q3 2026 as capitalized interest fell 72% after aluminum mill completion.
- Working capital increased 25% to $5.5 billion, driven by higher receivables and inventories from aluminum startup.
- Share repurchases totaled $590.9 million in first nine months of 2026, with $215.9 million remaining on authorization.
Item 3
Long-term take-or-pay commitments up to 26 years are a real cash obligation.
What changed: Sep 2026 vs. Jun 2026
About 2% of STLD's Sep 2026 10-Q is new information. 3 paragraphs were added, 67 changed, and 13 removed. Below are the most important lines SECSift identified.
Everything here comes from Steel Dynamics Inc's own filings on SEC EDGAR. The filing list is rechecked every hour. SECSift analysis was completed on Oct 24, 2026, from the 10-Q for Sep 2026.