<SEC-DOCUMENT>0001104659-16-124018-index.html : 20160527 <SEC-HEADER>0001104659-16-124018.hdr.sgml : 20160527 <ACCEPTANCE-DATETIME>20160527151014 ACCESSION NUMBER: 0001104659-16-124018 CONFORMED SUBMISSION TYPE: SD PUBLIC DOCUMENT COUNT: 1 <RULE> <RULE-NAME>13p-1 <ITEM> <ITEM-NUMBER>1.01 <ITEM-PERIOD>20151231 </ITEM> </RULE> FILED AS OF DATE: 20160527 DATE AS OF CHANGE: 20160527 FILER: 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 FILING VALUES: FORM TYPE: SD SEC ACT: 1934 Act SEC FILE NUMBER: 000-21719 FILM NUMBER: 161682088 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>SD <SEQUENCE>1 <FILENAME>a16-12416_1sd.htm <DESCRIPTION>SD <TEXT> Document 1 - file: a16-12416_1sd.htm
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