<SEC-DOCUMENT>0001104659-24-033009-index.html : 20240311
<SEC-HEADER>0001104659-24-033009.hdr.sgml : 20240311
<ACCEPTANCE-DATETIME>20240311162728
ACCESSION NUMBER:		0001104659-24-033009
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20240228
FILED AS OF DATE:		20240311
DATE AS OF CHANGE:		20240311

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ONeill Hugh Paul
		CENTRAL INDEX KEY:			0002015073
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35803
		FILM NUMBER:		24738410

	MAIL ADDRESS:	
		STREET 1:		675 MCDONNELL BLVD
		CITY:			HAZELWOOD
		STATE:			MO
		ZIP:			63042

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mallinckrodt plc
		CENTRAL INDEX KEY:			0001567892
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				981088325
		FISCAL YEAR END:			1229

	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>3
<SEQUENCE>1
<FILENAME>tm248408-1_3seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: tm248408-1_3seq1.html

Document 1 - RAW XML: tm248408-1_3seq1.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>tm248408d1_ex24.htm
<DESCRIPTION>EXHIBIT-24
<TEXT>
Document 2 - file: tm248408d1_ex24.htm

</DOCUMENT>
</SEC-DOCUMENT>