<SEC-DOCUMENT>0001193125-23-169117-index.html : 20230616
<SEC-HEADER>0001193125-23-169117.hdr.sgml : 20230616
<ACCEPTANCE-DATETIME>20230616171526
ACCESSION NUMBER:		0001193125-23-169117
CONFORMED SUBMISSION TYPE:	SC 13D
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20230616
DATE AS OF CHANGE:		20230616

SUBJECT COMPANY:	

	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:		SC 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87833
		FILM NUMBER:		231022256

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Alta Fundamental Advisers LLC
		CENTRAL INDEX KEY:			0001641604
		IRS NUMBER:				461788509
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D

	BUSINESS ADDRESS:	
		STREET 1:		1500 BROADWAY
		STREET 2:		SUITE 704
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		2123191778

	MAIL ADDRESS:	
		STREET 1:		1500 BROADWAY
		STREET 2:		SUITE 704
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D
<SEQUENCE>1
<FILENAME>d484560dsc13d.htm
<DESCRIPTION>SC 13D
<TEXT>
Document 1 - file: d484560dsc13d.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d484560dex991.htm
<DESCRIPTION>EXHIBIT 1
<TEXT>
Document 2 - file: d484560dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g484560page10.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g484560page10.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g484560page1a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g484560page1a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g484560page1b.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g484560page1b.jpg

</DOCUMENT>
</SEC-DOCUMENT>