<SEC-DOCUMENT>0000950170-24-086109-index.html : 20240724
<SEC-HEADER>0000950170-24-086109.hdr.sgml : 20240724
<ACCEPTANCE-DATETIME>20240724165929
ACCESSION NUMBER:		0000950170-24-086109
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20240724
DATE AS OF CHANGE:		20240724
EFFECTIVENESS DATE:		20240724

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Alkermes plc.
		CENTRAL INDEX KEY:			0001520262
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				981007018
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-280984
		FILM NUMBER:		241138830

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>alks_2024_s-8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: alks_2024_s-8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>alks-ex5_1.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: alks-ex5_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>alks-ex23_1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: alks-ex23_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>4
<FILENAME>alks-exfiling_fees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 4 - file: alks-exfiling_fees.htm

</DOCUMENT>
</SEC-DOCUMENT>