<SEC-DOCUMENT>0001567892-18-000032-index.html : 20180531
<SEC-HEADER>0001567892-18-000032.hdr.sgml : 20180531
<ACCEPTANCE-DATETIME>20180531063421
ACCESSION NUMBER:		0001567892-18-000032
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20171231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20171231
</ITEM>
</RULE>
FILED AS OF DATE:		20180531
DATE AS OF CHANGE:		20180531

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:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35803
		FILM NUMBER:		18869967

	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>SD
<SEQUENCE>1
<FILENAME>mnksd123117.htm
<DESCRIPTION>SD
<TEXT>
Document 1 - file: mnksd123117.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>mnkexhibit101123117.htm
<DESCRIPTION>EXHIBIT 1.01
<TEXT>
Document 2 - file: mnkexhibit101123117.htm

</DOCUMENT>
</SEC-DOCUMENT>