Alkermes plc. — Director's Dealing 2020

Feb 18, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2020-02-16

Reporting Person: Gaffin David Joseph (SVP, CLO, Alkermes, Inc.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-02-16	Ordinary Shares	M	3375	—	Acquired	51925	Direct
2020-02-16	Ordinary Shares	F	1172	$17.77	Disposed	50753	Direct
2020-02-17	Ordinary Shares	M	2500	—	Acquired	53253	Direct
2020-02-17	Ordinary Shares	F	766	$17.77	Disposed	52487	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-02-16	Restricted Stock Unit Award	$0	M	3375	Disposed		Ordinary Shares (3375)	Direct
2020-02-17	Restricted Stock Unit Award	$0	M	2500	Disposed		Ordinary Shares (2500)	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.