Alkermes plc. — Director's Dealing 2014

Jun 20, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2014-06-20

Reporting Person: MITCHELL PAUL J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-06-20	Ordinary Shares	M	17000	$16.77	Acquired	25000	Direct
2014-06-20	Ordinary Shares	S	17000	$50.00	Disposed	8000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-06-20	Non Qualified Stock Option (Right to Buy)	$16.77	M	17000	Disposed	2015-09-23	Ordinary Shares (17000)	Direct

Footnotes

F1: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3: These options are fully vested in accordance with their terms.