Company · STLD · CIK 1022671

Steel Dynamics Inc (STLD) SEC filings and CIK.

STLD’s SEC Central Index Key (CIK) is 0001022671, or 1022671 without leading zeros. The SEC’s ticker file lists it as STEEL DYNAMICS INC.

Ticker: STLD
CIK: 0001022671
Other tickers: None
Insider transactions, Q3 2026: 8

Insider trading

In Q3 2026, insiders at Steel Dynamics Inc reported 8 non-derivative transactions on 8 Forms 3, 4 and 5, including 0 open-market purchases and 0 sales. See every STLD insider transaction →

Recent filings we observed

From our record of EDGAR’s latest-filings feed and sampled daily indexes. Not a complete filing history; use the filings API for that.
Filed	Form	Accession
2026-11-06	4	0001022671-26-000161

Get STLD SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=1022671&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/1022671" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/1022671?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Steel Dynamics Inc on SEC.gov

Questions

What is STLD’s CIK number?

STLD’s SEC Central Index Key (CIK) is 0001022671, or 1022671 without leading zeros. The SEC’s ticker file lists it as STEEL DYNAMICS INC.

How do I find Steel Dynamics Inc’s 10-K?

Request /api/v1/filings?cik=1022671&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.

Ticker and CIK: SEC company_tickers.json, cached 2026-11-02. Tickers can move between entities; the CIK identifies the filer.

Plain-text version for agents and LLMs: /companies/stld.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.