Alkermes plc. - Director's Dealing 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2025-02-26

Reporting Person: Parisi Samuel Joseph (VP, Finance (Interim PAO))

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-26	Ordinary Shares	M	2746	—	Acquired	10463	Direct
2025-02-26	Ordinary Shares	F	808	$34.795	Disposed	9655	Direct
2025-02-28	Ordinary Shares	S	1938	$34.00	Disposed	7717	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-02-26	Restricted Stock Unit Award	$	M	2746	Disposed		Ordinary Shares (2746)	Direct

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

F2: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 9/11/2024.

F3: Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/26/2025.