STEEL DYNAMICS INC — Investor Relations & Filings
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 |
|---|---|---|---|
| 8-K - STEEL DYNAMICS INC (0001022671) (Filer) | 2026-05-08 | English | |
| 10-Q - STEEL DYNAMICS INC (0001022671) (Filer) | 2026-04-27 | English | |
| 8-K - STEEL DYNAMICS INC (0001022671) (Filer) | 2026-04-21 | English | |
| SCHEDULE 13G/A - STEEL DYNAMICS INC (0001022671) (Subject) | 2026-03-27 | English | |
| 8-K - STEEL DYNAMICS INC (0001022671) (Filer) | 2026-03-27 | English | |
| ARS - STEEL DYNAMICS INC (0001022671) (Filer) | 2026-03-27 | English |
Browse filings by year
17 yearsMarket data
Market data not available
Price history
Peer group · Manufacture of basic iron and steel
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|---|---|---|---|
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000969 | CN | Manufacturing |
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AICHI STEEL CORPORATION
Manufacturer of specialty steel, forged products, and elect…
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5482 | JP | Manufacturing |
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Aisha Steel Convertible (Pref)
Manufacturer of value-added flat-rolled steel, specializing…
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ASLPS | PK | Manufacturing |
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Aisha Steel Convt (Pref) Right
Manufacturer of Cold Rolled and Hot Dipped Galvanized coils…
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ASLCPS | PK | Manufacturing |
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Aisha Steel Mills Limited
Leading manufacturer in value-added flat-rolled steel, prod…
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ASL | PK | Manufacturing |
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AJUSTEEL CO.,LTD.
Manufacturer of steel materials specializing in surface des…
|
139990 | KR | Manufacturing |
STEEL DYNAMICS INC via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/30310/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30310 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=30310 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30310 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 30310}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for STEEL DYNAMICS INC (id: 30310)"
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