Alkermes plc. - Director's Dealing 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2022-02-18

Reporting Person: POPS RICHARD F (Director, Director and CEO, Alkermes plc)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-02-21	Ordinary Shares	M	32400	—	Acquired	879942	Direct
2022-02-21	Ordinary Shares	F	14386	$25.08	Disposed	865556	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-02-18	Employee Stock Option (Right to Buy)	$25.08	A	299044	Acquired	2032-02-18	Ordinary Shares (299044)	Direct
2022-02-21	Restricted Stock Unit Award	$0	M	32400	Disposed		Ordinary Shares (32400)	Direct

F1: Restricted stock units convert into ordinary shares on a one-for-one basis.

F2: Shares underlying the stock option vest and become exercisable in four equal annual installments commencing on 2/18/2023.

F3: Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/21/2020.