Alkermes plc. — Director's Dealing 2019

Feb 20, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2019-02-16

Reporting Person: LANDINE MICHAEL J (SVP, Corp Dev., Alkermes, Inc.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-02-16	Ordinary Shares	M	3375	—	Acquired	179074	Direct
2019-02-16	Ordinary Shares	F	1109	$32.54	Disposed	177965	Direct
2019-02-17	Ordinary Shares	M	3000	—	Acquired	180965	Direct
2019-02-17	Ordinary Shares	F	873	$32.54	Disposed	180092	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-02-16	Restricted Stock Unit Award	$0	M	3375	Disposed		Ordinary Shares (3375)	Direct
2019-02-17	Restricted Stock Unit Award	$0	M	3000	Disposed		Ordinary Shares (3000)	Direct

Footnotes

F1: Shares subject to the restricted stock unit award vest in equal annual installments over a four year period, commencing on 2/16/19.

F2: Shares subject to the restricted stock unit award vest in equal annual installments over a four year period, commencing on 2/17/18.