<SEC-DOCUMENT>0001022671-18-000080-index.html : 20181023 <SEC-HEADER>0001022671-18-000080.hdr.sgml : 20181023 <ACCEPTANCE-DATETIME>20181023163305 ACCESSION NUMBER: 0001022671-18-000080 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20181017 FILED AS OF DATE: 20181023 DATE AS OF CHANGE: 20181023 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Sonnenberg Steven Alan CENTRAL INDEX KEY: 0001335987 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 000-21719 FILM NUMBER: 181134471 MAIL ADDRESS: STREET 1: EMERSON PROCESS MANAGEMENT - ROSEMOUNT STREET 2: 8200 MARKET BOULEVARD CITY: CHANHASSEN STATE: MN ZIP: 55317 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: STEEL DYNAMICS INC CENTRAL INDEX KEY: 0001022671 STANDARD INDUSTRIAL CLASSIFICATION: STEEL WORKS, BLAST FURNACES ROLLING MILLS (COKE OVENS) [3312] IRS NUMBER: 351929476 STATE OF INCORPORATION: IN FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 7575 W JEFFERSON BLVD CITY: FORT WAYNE STATE: IN ZIP: 46804 BUSINESS PHONE: 260 459 3553 MAIL ADDRESS: STREET 1: 7575 W JEFFERSON BLVD CITY: FORT WAYNE STATE: IN ZIP: 46804 </SEC-HEADER> <DOCUMENT> <TYPE>3 <SEQUENCE>1 <FILENAME>edgar.xml <DESCRIPTION>PRIMARY DOCUMENT <TEXT> Document 1 - file: edgar.html
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</DOCUMENT> <DOCUMENT> <TYPE>EX-24 <SEQUENCE>2 <FILENAME>ex-24.htm <DESCRIPTION>REMARKS: EXHIBIT 24 - POWER OF ATTORNEY <TEXT> Document 2 - file: ex-24.htm
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