Alkermes plc. — Director's Dealing 2021

Feb 24, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2021-02-20

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-20	Ordinary Shares	M	5353	—	Acquired	215903	Direct
2021-02-20	Ordinary Shares	F	2360	$19.58	Disposed	213543	Direct
2021-02-20	Ordinary Shares	M	5825	—	Acquired	219368	Direct
2021-02-21	Ordinary Shares	F	2587	$19.58	Disposed	216781	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-20	Restricted Stock Unit Award	$0	M	5353	Disposed		Ordinary Shares (5353)	Direct
2021-02-20	Restricted Stock Unit Award	$0	M	5825	Disposed		Ordinary Shares (5825)	Direct

Footnotes

F1: Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/20/2021.

F2: Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/21/2020.