<SEC-DOCUMENT>0001193125-18-107550-index.html : 20180404
<SEC-HEADER>0001193125-18-107550.hdr.sgml : 20180404
<ACCEPTANCE-DATETIME>20180404163103
ACCESSION NUMBER:		0001193125-18-107550
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20180404
DATE AS OF CHANGE:		20180404
EFFECTIVENESS DATE:		20180404

FILER:

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

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35803
		FILM NUMBER:		18737596

	BUSINESS ADDRESS:	
		STREET 1:		3 LOTUS PARK, THE CAUSEWAY
		STREET 2:		STAINES-UPON-THAMES
		CITY:			SURREY
		STATE:			X0
		ZIP:			TW18 3AG
		BUSINESS PHONE:		44-017-8463-6700

	MAIL ADDRESS:	
		STREET 1:		3 LOTUS PARK, THE CAUSEWAY
		STREET 2:		STAINES-UPON-THAMES
		CITY:			SURREY
		STATE:			X0
		ZIP:			TW18 3AG
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d522807ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d522807ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g522807img01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g522807img01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g522807img02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g522807img02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g522807img03.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g522807img03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g522807img4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g522807img4.jpg

</DOCUMENT>
</SEC-DOCUMENT>