Alkermes plc. - Director's Dealing 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2025-02-22

Reporting Person: Jackson Blair Curtis (EVP, Chief Operating Officer)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-22	Ordinary Shares	M	9694	—	Acquired	196188	Direct
2025-02-22	Ordinary Shares	F	4305	$35.32	Disposed	191883	Direct
2025-02-23	Ordinary Shares	M	8738	—	Acquired	200621	Direct
2025-02-23	Ordinary Shares	F	3880	$35.32	Disposed	196741	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-02-22	Restricted Stock Unit Award	$	M	9694	Disposed		Ordinary Shares (9694)	Direct
2025-02-23	Restricted Stock Unit Award	$	M	8738	Disposed		Ordinary Shares (8738)	Direct

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

F2: This award is fully vested in accordance with its terms.

F3: Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/23/2024.