0001968582-23-000846.txt : 20231222 0001968582-23-000846.hdr.sgml : 20231222 20231222163115 ACCESSION NUMBER: 0001968582-23-000846 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231222 DATE AS OF CHANGE: 20231222 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MUELLER INDUSTRIES INC CENTRAL INDEX KEY: 0000089439 STANDARD INDUSTRIAL CLASSIFICATION: ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350] ORGANIZATION NAME: 04 Manufacturing IRS NUMBER: 250790410 STATE OF INCORPORATION: DE FISCAL YEAR END: 1230 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-06770 FILM NUMBER: 231510287 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Sigloch Steffen CENTRAL INDEX KEY: 0001549986 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 8285 TOURNAMENT DRIVE STREET 2: SUITE 150 CITY: MEMPHIS STATE: TN ZIP: 38125 144 1 primary_doc.xml 144 0001549986 XXXXXXXX LIVE 0000089439 Mueller Industries, Inc. 001-06770 150 Schilling Boulevard, Suite 100 Collierville TN 38017 901-753-3200 Steffen Sigloch Officer Common Stock JP Morgan Securities LLC

390 Madison Avenue 6th Floor New York NY 10017

53800 2528600 113529410 12/22/2023 NYSE Common Stock 07/30/2019 Vested restricted shares Issuer N 16894 07/30/2019 Compensation Common Stock 01/03/2019 Vested restricted shares Issuer N 8196 01/03/2019 Compensation Common Stock 07/30/2018 Vested restricted shares Issuer N 15302 07/30/2018 Compensation Common Stock 07/30/2017 Vested restricted shares Issuer N 13408 07/30/2017 Compensation N Steffen Sigloch

C/o Mueller Industries, Inc. 150 Schilling Boulevard, Suite 100 Collierville TN 38017

Common Stock 12/04/2023 41600 1775328 Steffen Sigloch

C/o Mueller Industries, Inc. 150 Schilling Boulevard, Suite 100 Collierville TN 38017

Common Stock 12/14/2023 13484 608278 Steffen Sigloch

C/o Mueller Industries, Inc. 150 Schilling Boulevard, Suite 100 Collierville TN 38017

Common Stock 12/15/2023 58522 2639923 12/22/2023 05/08/2023 /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Steffen Sigloch