Alkermes plc. — Director's Dealing 2013

Nov 19, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2013-11-18

Reporting Person: BIBERSTEIN KATHRYN L (SVP, GC, Secretary, Alks, Inc.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-11-18	Ordinary Shares	M	3750	—	Acquired	53661	Direct
2013-11-18	Ordinary Shares	F	1770	$36.89	Disposed	51891	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-11-18	Restricted Stock Award	$0	M	3750	Disposed		Ordinary Shares (3750)	Direct

Footnotes

F1: This award is fully vested in accordance with its terms.