<SEC-DOCUMENT>0001104659-23-042296-index.html : 20230405 <SEC-HEADER>0001104659-23-042296.hdr.sgml : 20230405 <ACCEPTANCE-DATETIME>20230405190559 ACCESSION NUMBER: 0001104659-23-042296 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230403 FILED AS OF DATE: 20230405 DATE AS OF CHANGE: 20230405 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Welch Stephen Andrew CENTRAL INDEX KEY: 0001944355 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35803 FILM NUMBER: 23803937 MAIL ADDRESS: STREET 1: 18440 BRIDGEMORE LANE CITY: LOUISVILLE STATE: KY ZIP: 40245 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Mallinckrodt plc CENTRAL INDEX KEY: 0001567892 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 981088325 FISCAL YEAR END: 1230 BUSINESS ADDRESS: STREET 1: COLLEGE BUSINESS & TECHNOLOGY PARK STREET 2: CRUISERATH, BLANCHARDSTOWN CITY: DUBLIN 15 STATE: L2 ZIP: D15 BUSINESS PHONE: 353 1 6960000 MAIL ADDRESS: STREET 1: COLLEGE BUSINESS & TECHNOLOGY PARK STREET 2: CRUISERATH, BLANCHARDSTOWN CITY: DUBLIN 15 STATE: L2 ZIP: D15 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>tm2311874-7_4seq1.xml <DESCRIPTION>OWNERSHIP DOCUMENT <TEXT> Document 1 - file: tm2311874-7_4seq1.html
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