<SEC-DOCUMENT>0001140361-23-030089-index.html : 20230615
<SEC-HEADER>0001140361-23-030089.hdr.sgml : 20230615
<ACCEPTANCE-DATETIME>20230615164722
ACCESSION NUMBER:		0001140361-23-030089
CONFORMED SUBMISSION TYPE:	DFAN14A
PUBLIC DOCUMENT COUNT:		42
FILED AS OF DATE:		20230615
DATE AS OF CHANGE:		20230615

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Alkermes plc.
		CENTRAL INDEX KEY:			0001520262
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				981007018
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DFAN14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35299
		FILM NUMBER:		231018070

	BUSINESS ADDRESS:	
		STREET 1:		CONNAUGHT HOUSE
		STREET 2:		1 BURLINGTON ROAD
		CITY:			DUBLIN 4
		STATE:			L2
		ZIP:			00000
		BUSINESS PHONE:		00-353-1-772-8000

	MAIL ADDRESS:	
		STREET 1:		CONNAUGHT HOUSE
		STREET 2:		1 BURLINGTON ROAD
		CITY:			DUBLIN 4
		STATE:			L2
		ZIP:			00000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ANTLER SCIENCE TWO PLC
		DATE OF NAME CHANGE:	20110804

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Antler Science Two Ltd
		DATE OF NAME CHANGE:	20110509

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Sarissa Capital Management LP
		CENTRAL INDEX KEY:			0001577524
		IRS NUMBER:				900924432
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DFAN14A

	BUSINESS ADDRESS:	
		STREET 1:		660 STEAMBOAT ROAD
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-302-2330

	MAIL ADDRESS:	
		STREET 1:		660 STEAMBOAT ROAD
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>DFAN14A
<SEQUENCE>1
<FILENAME>ny20009418x9_dfan14a.htm
<DESCRIPTION>DFAN14A
<TEXT>
Document 1 - file: ny20009418x9_dfan14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>ny20009418x9_img01.jpg <TEXT> Document 2 - file: ny20009418x9_img01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>ny20009418x9_img02.jpg <TEXT> Document 3 - file: ny20009418x9_img02.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>ny20009418x9_img03.jpg <TEXT> Document 4 - file: ny20009418x9_img03.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>ny20009418x9_img04.jpg <TEXT> Document 5 - file: ny20009418x9_img04.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>ny20009418x9_img05.jpg <TEXT> Document 6 - file: ny20009418x9_img05.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>ny20009418x9_img06.jpg <TEXT> Document 7 - file: ny20009418x9_img06.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>ny20009418x9_img07.jpg <TEXT> Document 8 - file: ny20009418x9_img07.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>ny20009418x9_img08.jpg <TEXT> Document 9 - file: ny20009418x9_img08.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>ny20009418x9_img09.jpg <TEXT> Document 10 - file: ny20009418x9_img09.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>ny20009418x9_img10.jpg <TEXT> Document 11 - file: ny20009418x9_img10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>ny20009418x9_img11.jpg <TEXT> Document 12 - file: ny20009418x9_img11.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>ny20009418x9_img12.jpg <TEXT> Document 13 - file: ny20009418x9_img12.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>ny20009418x9_img13.jpg <TEXT> Document 14 - file: ny20009418x9_img13.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>ny20009418x9_img14.jpg <TEXT> Document 15 - file: ny20009418x9_img14.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>ny20009418x9_img15.jpg <TEXT> Document 16 - file: ny20009418x9_img15.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>ny20009418x9_img16.jpg <TEXT> Document 17 - file: ny20009418x9_img16.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>ny20009418x9_img17.jpg <TEXT> Document 18 - file: ny20009418x9_img17.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>ny20009418x9_img18.jpg <TEXT> Document 19 - file: ny20009418x9_img18.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>ny20009418x9_img19.jpg <TEXT> Document 20 - file: ny20009418x9_img19.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>ny20009418x9_img20.jpg <TEXT> Document 21 - file: ny20009418x9_img20.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>ny20009418x9_img21.jpg <TEXT> Document 22 - file: ny20009418x9_img21.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>ny20009418x9_img22.jpg <TEXT> Document 23 - file: ny20009418x9_img22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>ny20009418x9_img23.jpg <TEXT> Document 24 - file: ny20009418x9_img23.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>ny20009418x9_img24.jpg <TEXT> Document 25 - file: ny20009418x9_img24.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>ny20009418x9_img25.jpg <TEXT> Document 26 - file: ny20009418x9_img25.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>ny20009418x9_img26.jpg <TEXT> Document 27 - file: ny20009418x9_img26.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>ny20009418x9_img27.jpg <TEXT> Document 28 - file: ny20009418x9_img27.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>ny20009418x9_img28.jpg <TEXT> Document 29 - file: ny20009418x9_img28.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>ny20009418x9_img29.jpg <TEXT> Document 30 - file: ny20009418x9_img29.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>ny20009418x9_img30.jpg <TEXT> Document 31 - file: ny20009418x9_img30.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>ny20009418x9_img31.jpg <TEXT> Document 32 - file: ny20009418x9_img31.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>ny20009418x9_img32.jpg <TEXT> Document 33 - file: ny20009418x9_img32.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>ny20009418x9_img33.jpg <TEXT> Document 34 - file: ny20009418x9_img33.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>35 <FILENAME>ny20009418x9_img34.jpg <TEXT> Document 35 - file: ny20009418x9_img34.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>36 <FILENAME>ny20009418x9_img35.jpg <TEXT> Document 36 - file: ny20009418x9_img35.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>37 <FILENAME>ny20009418x9_img36.jpg <TEXT> Document 37 - file: ny20009418x9_img36.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>38 <FILENAME>ny20009418x9_img37.jpg <TEXT> Document 38 - file: ny20009418x9_img37.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>39 <FILENAME>ny20009418x9_img38.jpg <TEXT> Document 39 - file: ny20009418x9_img38.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>40 <FILENAME>ny20009418x9_img39.jpg <TEXT> Document 40 - file: ny20009418x9_img39.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>41 <FILENAME>ny20009418x9_img40.jpg <TEXT> Document 41 - file: ny20009418x9_img40.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>42 <FILENAME>ny20009418x9_img41.jpg <TEXT> Document 42 - file: ny20009418x9_img41.jpg
</DOCUMENT> </SEC-DOCUMENT>