| payload |
{"created_at":"2026-04-14T02:04:49.876 {"created_at":"2026-04-14T02:04:49.876253+00:00","signal_type":"discovery_sec_filing_delta","source":"discovery_sec_filings","url":"https://www.sec.gov/Archives/edgar/data/1022671/0001022671-26-000090.txt","value":{"company":"STEEL DYNAMICS INC","form_type":"4","fp":"d2f88ef9c9b5c00b","kind":"sec_filing","published_at":"20260413","source":"sec_edgar","summary":"Form 4 \u00b7 STEEL DYNAMICS INC \u00b7 Filed 20260413","ticker":"STLD","tickers":["STLD"],"title":"STLD filed 4","url":"https://www.sec.gov/Archives/edgar/data/1022671/0001022671-26-000090.txt"}}... |