Alkermes plc. — Director's Dealing 2023

Aug 7, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2023-08-03

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-08-03	Ordinary Shares	M	1974	—	Acquired	128827	Direct
2023-08-03	Ordinary Shares	F	877	$27.63	Disposed	127950	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-08-03	Restricted Stock Unit Award	$	M	1974	Disposed		Ordinary Shares (1974)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one ordinary share.

F2: Shares subject to the restricted stock unit award vest in four equal annual installments commencing on 8/3/2023.