Alkermes plc. — Director's Dealing 2017

Jan 10, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2017-01-09

Reporting Person: Cooke Shane (President, Alkermes plc)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-01-09	Ordinary Shares	M	550	$14.60	Acquired	64494	Direct
2017-01-09	Ordinary Shares	S	550	$60.27	Disposed	63944	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-01-09	Employee Stock Option (Right to Buy)	$14.60	M	550	Disposed	2021-10-05	Ordinary Shares (550)	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.