<SEC-DOCUMENT>0000089439-21-000041-index.html : 20210527 <SEC-HEADER>0000089439-21-000041.hdr.sgml : 20210527 <ACCEPTANCE-DATETIME>20210527120059 ACCESSION NUMBER: 0000089439-21-000041 CONFORMED SUBMISSION TYPE: SD PUBLIC DOCUMENT COUNT: 2 <RULE> <RULE-NAME>13p-1 <ITEM> <ITEM-NUMBER>1.01 <ITEM-PERIOD>20201231 </ITEM> <ITEM> <ITEM-NUMBER>1.02 <ITEM-PERIOD>20201231 </ITEM> </RULE> FILED AS OF DATE: 20210527 DATE AS OF CHANGE: 20210527 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MUELLER INDUSTRIES INC CENTRAL INDEX KEY: 0000089439 STANDARD INDUSTRIAL CLASSIFICATION: ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350] IRS NUMBER: 250790410 STATE OF INCORPORATION: DE FISCAL YEAR END: 1225 FILING VALUES: FORM TYPE: SD SEC ACT: 1934 Act SEC FILE NUMBER: 001-06770 FILM NUMBER: 21970149 BUSINESS ADDRESS: STREET 1: SUITE 100 STREET 2: 150 SCHILLING BOULEVARD CITY: COLLIERVILLE STATE: TN ZIP: 38017 BUSINESS PHONE: (901)753-3200 MAIL ADDRESS: STREET 1: SUITE 100 STREET 2: 150 SCHILLING BOULEVARD CITY: COLLIERVILLE STATE: TN ZIP: 38017 FORMER COMPANY: FORMER CONFORMED NAME: SHARON STEEL CORP DATE OF NAME CHANGE: 19910103 </SEC-HEADER> <DOCUMENT> <TYPE>SD <SEQUENCE>1 <FILENAME>a2020conflictminerals.htm <DESCRIPTION>SD <TEXT> Document 1 - file: a2020conflictminerals.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-1.01 <SEQUENCE>2 <FILENAME>exhibit101-2020formsd.htm <DESCRIPTION>EX-1.01 <TEXT> Document 2 - file: exhibit101-2020formsd.htm
</DOCUMENT> </SEC-DOCUMENT>