Alkermes plc. — Director's Dealing 2018

May 25, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2018-05-23

Reporting Person: snyderman nancy lynn MD (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-05-23	Non Qualified Stock Option (Right to Buy)	$45.64	A	17500	Acquired	2028-05-23	Ordinary Shares (17500)	Direct

Footnotes

F1: This option becomes exercisable in full on 5/23/19.