Alkermes plc. — Director's Dealing 2024

Feb 23, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2024-02-22

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-02-22	Ordinary Shares	M	9693	—	Acquired	157249	Direct
2024-02-22	Ordinary Shares	F	4304	$28.91	Disposed	152945	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-02-22	Restricted Stock Unit Award	$	M	9693	Disposed		Ordinary Shares (9693)	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 2/22/2022.