Alkermes plc. — Director's Dealing 2015

Feb 27, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2015-02-26

Reporting Person: Cooke Shane (President, Alkermes plc)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-02-26	Employee Stock Option (Right to Buy)	$71.23	A	73500	Acquired	2025-02-26	Ordinary Shares (73500)	Direct
2015-02-26	Restricted Stock Unit Award	$0	A	17700	Acquired		Ordinary Shares (17700)	Direct

Footnotes

F1: Shares subject to the stock option award vest in four equal annual installments commencing on 2/26/2016.

F2: Shares subject to the restricted stock unit award vest in equal annual installments over a four year period, commencing 2/26/2016.