Alkermes plc. — Director's Dealing 2015

Nov 4, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2015-11-02

Reporting Person: Ehrich Elliot (EVP, R&D & CMO, Alkermes, Inc.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-11-02	Ordinary Shares	M	2687	$20.79	Acquired	36633	Direct
2015-11-02	Ordinary Shares	F	755	$73.96	Disposed	35878	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-11-02	Incentive Stock Option (Right to Buy)	$20.79	M	2687	Disposed	2016-05-02	Ordinary Shares (2687)	Direct

Footnotes

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