Alkermes plc. — Director's Dealing 2013

Dec 27, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2013-12-26

Reporting Person: Stejbach Mark (Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-12-26	Ordinary Shares	M	3000	$17.30	Acquired	4400	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-12-26	Employee Stock Option (Right to Buy)	$17.30	M	3000	Disposed	2022-03-07	Ordinary Shares (3000)	Direct

Footnotes

F1: The option becomes exercisable in equal annual installments over a four year period, at the rate of 25% per year commencing on 3/7/13.