Alkermes plc. — Director's Dealing 2013

Oct 9, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2013-10-08

Reporting Person: FRATES JAMES M (SVP & CFO, Alkermes plc)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-10-08	Ordinary Shares	M	875	$14.57	Acquired	102189	Direct
2013-10-08	Ordinary Shares	M	1	$12.16	Acquired	102190	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-10-08	Incentive Stock Option (Right to Buy)	$14.57	M	875	Disposed	2013-10-17	Ordinary Shares (875)	Direct
2013-10-08	Incentive Stock Option (Right to Buy)	$12.16	M	1	Disposed	2013-12-10	Ordinary Shares (1)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	4000	Indirect

Footnotes

F1: These options are fully vested in accordance with their terms.