Alkermes plc. — Director's Dealing 2014

Aug 27, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2014-08-26

Reporting Person: Pugh Gordon G (SVP, COO & CRO, Alkermes, Inc.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-08-26	Ordinary Shares	M	4794	$14.13	Acquired	37321	Direct
2014-08-26	Ordinary Shares	M	11206	$11.74	Acquired	48527	Direct
2014-08-26	Ordinary Shares	S	16000	$45.00	Disposed	32527	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-08-26	Employee Stock Option (Right to Buy)	$14.13	M	4794	Disposed	2017-11-05	Ordinary Shares (4794)	Direct
2014-08-26	Employee Stock Option (Right to Buy)	$11.74	M	11206	Disposed	2020-05-17	Ordinary Shares (11206)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	5000	Indirect
Ordinary Shares	15000	Indirect

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.