<SEC-DOCUMENT>0001564590-23-001519.txt : 20230207
<SEC-HEADER>0001564590-23-001519.hdr.sgml : 20230207
<ACCEPTANCE-DATETIME>20230206173109
ACCESSION NUMBER:		0001564590-23-001519
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230207
DATE AS OF CHANGE:		20230206

FILER:

	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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35299
		FILM NUMBER:		23591706

	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>DEFA14A
<SEQUENCE>1
<FILENAME>alks-defa14a_20230203.htm
<DESCRIPTION>DEFA14A
<TEXT>
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alks-defa14a_20230203.htm
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<p style="Background-color:#FFFFFF;margin-bottom:0pt;border-top:Double 2.25pt;padding-top:1pt;margin-top:0pt;text-indent:0%;font-weight:bold;;font-size:6pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">UNITED STATES</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">SECURITIES AND EXCHANGE COMMISSION</p>
<p style="text-align:center;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><font style="Background-color:#FFFFFF;">Washington, D.C. 20549</font></p>
<p style="text-align:center;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:12pt;text-indent:0%;font-weight:bold;color:#000000;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><font style="Background-color:#FFFFFF;">FORM 8-K</font></p>
<p style="text-align:center;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:12pt;text-indent:0%;font-weight:bold;color:#000000;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><font style="Background-color:#FFFFFF;">CURRENT REPORT<br />PURSUANT TO SECTION 13 OR 15(d) OF THE</font></p>
<p style="text-align:center;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><font style="Background-color:#FFFFFF;">SECURITIES EXCHANGE ACT OF 1934</font></p>
<p style="text-align:center;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:6pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><font style="Background-color:#FFFFFF;">Date of Report (Date of earliest event reported): February 3, 2023</font></p>
<p style="text-align:center;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:12pt;text-indent:0%;font-weight:bold;color:#000000;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><font style="Background-color:#FFFFFF;">ALKERMES PUBLIC LIMITED COMPANY</font></p>
<p style="text-align:center;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="Background-color:#FFFFFF;">(Exact name of registrant as specified in its charter)</font></p>
<p style="Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<div>
<table border="0" cellspacing="0" cellpadding="0" align="center" style="border-collapse:collapse; width:100%;">
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<td valign="top"  BGCOLOR="#FFFFFF" style="width:28.2%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Ireland</p></td>
<td valign="bottom"  BGCOLOR="#FFFFFF" style="width:1.3%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td colspan="3" valign="top"  BGCOLOR="#FFFFFF" style="width:39.74%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">001-35299</p></td>
<td valign="bottom"  BGCOLOR="#FFFFFF" style="width:1.3%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:29.46%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">98-1007018</p></td>
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<td valign="top"  BGCOLOR="#FFFFFF" style="width:28.2%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(State or other jurisdiction</p></td>
<td valign="bottom"  BGCOLOR="#FFFFFF" style="width:1.3%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td colspan="3" valign="top"  BGCOLOR="#FFFFFF" style="width:39.74%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(Commission</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:29.46%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(IRS Employer</p></td>
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<td valign="top"  BGCOLOR="#FFFFFF" style="width:28.2%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">of incorporation)</p></td>
<td valign="bottom"  BGCOLOR="#FFFFFF" style="width:1.3%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td colspan="3" valign="top"  BGCOLOR="#FFFFFF" style="width:39.74%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">File Number)</p></td>
<td valign="bottom"  BGCOLOR="#FFFFFF" style="width:1.3%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:29.46%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Identification No.)</p></td>
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<tr>
<td colspan="3" valign="bottom"  BGCOLOR="#FFFFFF" style="width:42.8%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="bottom"  BGCOLOR="#FFFFFF" style="width:16.18%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td colspan="3" valign="bottom"  BGCOLOR="#FFFFFF" style="width:41.02%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
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<td colspan="3" valign="top"  BGCOLOR="#FFFFFF" style="width:42.8%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="width:16.18%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td colspan="3" valign="top"  style="width:41.02%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
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<tr>
<td colspan="7" valign="top"  BGCOLOR="#FFFFFF" style="width:100%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Connaught House, 1 Burlington Road</p></td>
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<tr>
<td colspan="7" valign="top"  BGCOLOR="#FFFFFF" style="width:100%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Dublin 4, Ireland D04 C5Y6</p></td>
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<tr>
<td colspan="7" valign="top"  BGCOLOR="#FFFFFF" style="width:100%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(Address of principal executive offices)</p></td>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><font style="Background-color:#FFFFFF;">Registrant's telephone number, including area code: + 353-1-772-8000</font></p>
<p style="Background-color:#FFFFFF;margin-bottom:0pt;margin-top:6pt;text-indent:0%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="Background-color:#FFFFFF;">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (</font><font style="font-style:italic;Background-color:#FFFFFF;">see </font><font style="Background-color:#FFFFFF;">General Instruction A.2. below):</font></p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:6pt;">&nbsp;</p>
<div align="left">
<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100.22%;">
<tr>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:2.56%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Segoe UI Symbol;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#9744;</p></td>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:1.28%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:96.16%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Written communications pursuant to Rule&#160;425 under the Securities Act (17 CFR 230.425)</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:6pt;">&nbsp;</p></td>
<td valign="top"  style="width:1.28%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:6pt;">&nbsp;</p></td>
<td valign="top"  style="width:96.16%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:6pt;">&nbsp;</p></td>
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<tr>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:2.56%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Segoe UI Symbol;font-size:11pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#9746;</p></td>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:1.28%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:96.16%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Soliciting material pursuant to Rule&#160;14a-12 under the Exchange Act (17 CFR 240.14a-12)</p></td>
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<td valign="top"  BGCOLOR="#FFFFFF" style="width:2.56%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:6pt;">&nbsp;</p></td>
<td valign="top"  style="width:1.28%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:6pt;">&nbsp;</p></td>
<td valign="top"  style="width:96.16%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:6pt;">&nbsp;</p></td>
</tr>
<tr>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:2.56%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Segoe UI Symbol;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#9744;</p></td>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:1.28%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:96.16%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Pre-commencement communications pursuant to Rule&#160;14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</p></td>
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<td valign="top"  BGCOLOR="#FFFFFF" style="width:2.56%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:6pt;">&nbsp;</p></td>
<td valign="top"  style="width:1.28%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:6pt;">&nbsp;</p></td>
<td valign="top"  style="width:96.16%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:6pt;">&nbsp;</p></td>
</tr>
<tr>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:2.56%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Segoe UI Symbol;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#9744;</p></td>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:1.28%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  BGCOLOR="#FFFFFF" style="width:96.16%;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Pre-commencement communications pursuant to Rule&#160;13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</p></td>
</tr>
</table></div>
<p style="Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:1pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;line-height:10pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:6pt;margin-top:0pt;text-indent:0%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Securities registered pursuant to Section 12(b) of the Act:</p>
<div align="left">
<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;">
<tr>
<td valign="top"  style="width:33.08%; border-bottom:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:2pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Title of each class</p></td>
<td valign="top"  style="width:2.82%; border-bottom:solid 0.75pt transparent;">
<p style="text-align:center;margin-bottom:2pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="width:19.74%; border-bottom:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:2pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Trading Symbol(s)</p></td>
<td valign="top"  style="width:2.82%; border-bottom:solid 0.75pt transparent;">
<p style="text-align:center;margin-bottom:2pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="width:41.54%; border-bottom:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:2pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Name of each exchange on which registered</p></td>
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<tr>
<td valign="top"  style="width:33.08%; border-top:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:2pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Ordinary shares, $0.01 par value</p></td>
<td valign="top"  style="width:2.82%;">
<p style="text-align:center;margin-bottom:2pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="width:19.74%; border-top:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:2pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">ALKS</p></td>
<td valign="top"  style="width:2.82%;">
<p style="text-align:center;margin-bottom:2pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="width:41.54%; border-top:solid 0.75pt #000000;">
<p style="text-align:center;margin-bottom:2pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Nasdaq Global Select Market</p></td>
</tr>
</table></div>
<p style="margin-bottom:0pt;margin-top:0pt;line-height:10pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;line-height:10pt;text-indent:0%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</p>
<p style="margin-bottom:0pt;margin-top:0pt;line-height:10pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
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<p style="margin-bottom:0pt;margin-top:0pt;line-height:10pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;line-height:10pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
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<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;line-height:10pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Emerging growth company&#160;&#160;<font style="font-family:Segoe UI Symbol;">&#9744;</font></p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;line-height:10pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;line-height:10pt;text-indent:0%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. <font style="font-family:Segoe UI Symbol;">&#9744;</font></p>
<p style="margin-bottom:0pt;margin-top:0pt;line-height:10pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;line-height:10pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
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<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;">&nbsp;</p><a name="_AEIOULastRenderedPageBreakAEIOU1"></a>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Item&#160;8.01 Other Events. </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;;font-size:10pt;">&nbsp;</p>
<p style="Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:3.85%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">On February 3, 2023, Alkermes plc (the &#8220;Company&#8221;) received a notice from Sarissa Capital Offshore Master Fund LP of its intention to nominate three director candidates for election to the Company&#8217;s board of directors at the Company&#8217;s 2023 annual general meeting of shareholders. </p>
<p style="Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:7.69%;font-size:10pt;">&nbsp;</p>
<p style="Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a name="_Hlk126153359"></a><font style="text-decoration:underline;"><a name="_Hlk126153359"></a>Important Additional Information and Where to Find It</font></p>
<p style="Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<p style="Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Company intends to file a definitive proxy statement, accompanying WHITE proxy card and other relevant documents with the U.S. Securities and Exchange Commission (&#8220;SEC&#8221;) in connection with the solicitation of proxies for the Company&#8217;s 2023 annual general meeting of shareholders. BEFORE MAKING ANY VOTING DECISION, SHAREHOLDERS OF THE COMPANY ARE URGED TO READ ALL RELEVANT DOCUMENTS FILED WITH OR FURNISHED TO THE SEC, INCLUDING THE COMPANY&#8217;S DEFINITIVE PROXY STATEMENT AND ANY AMENDMENTS AND SUPPLEMENTS THERETO, BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. Investors and shareholders will be able to obtain a copy of the definitive proxy statement and other documents filed by the Company with the SEC free of charge from the SEC&#8217;s website at www.sec.gov. In addition, copies will be available at no charge by visiting the &#8220;Investors&#8221; section of the Company&#8217;s website at www.alkermes.com, as soon as reasonably practicable after such materials are filed with, or furnished to, the SEC.</p>
<p style="Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<p style="Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="text-decoration:underline;">Certain Information Regarding Participants in the Solicitation</font></p>
<p style="Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<p style="Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;text-indent:0%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Company, its directors and certain of its executive officers are participants in the solicitation of proxies from shareholders in respect of the Company&#8217;s 2023 annual general meeting of shareholders. Information regarding the names of such participants and their respective interests in the Company, by security holdings or otherwise, is set forth in the Company&#8217;s Form 10-K for the year ended December 31, 2021, filed with the SEC on February 16, 2022 and amended by a Form 10-K/A filed with the SEC on April 29, 2022; the Company&#8217;s definitive proxy statement for the Company&#8217;s 2022 annual general meeting of shareholders, filed with the&#160;SEC&#160;on&#160;June 6, 2022; the Company&#8217;s Current Reports on Form 8-K filed with the SEC from time to time; and in Initial Statements of Beneficial Ownership on Form 3 or Statements of Change in Ownership on Form 4 filed with the SEC from time to time. These documents can be obtained free of charge from the sources indicated above.</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2</a></p>
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<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;">&nbsp;</p><a name="_AEIOULastRenderedPageBreakAEIOU2"></a>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><a name="SIGNATURE"></a><a name="SIGNATURE"></a>SIGNATURE </p>
<p style="margin-bottom:0pt;margin-top:12pt;text-indent:0%;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</p>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td colspan="3" valign="top"  style="width:41.02%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">ALKERMES PLC</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Date: February 6, 2023</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">By:</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="width:36.72%; border-bottom:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">/s/ David J. Gaffin</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="width:3.58%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="width:0.72%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="width:36.72%; border-top:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">David J. Gaffin</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;">&nbsp;</p></td>
<td valign="top"  style="width:36.72%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Secretary</p></td>
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<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">3</a></p></body>
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