Alkermes plc. — Director's Dealing 2019

Apr 5, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2019-04-04

Reporting Person: Robinson James A. Jr. (President & COO,Alkermes, Inc.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-04-04	Ordinary Shares	M	6250	—	Acquired	6250	Direct
2019-04-04	Ordinary Shares	F	1838	$35.89	Disposed	4412	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-04-04	Restricted Stock Unit Award	$0	M	6250	Disposed		Ordinary Shares (6250)	Direct

Footnotes

F1: Shares subject to the restricted stock unit award vest in four equal annual installments commencing on 4/4/2019.