Alkermes plc. — Director's Dealing 2026

Feb 20, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2026-02-18

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-18	Ordinary Shares	M	2034	—	Acquired	9751	Direct
2026-02-18	Ordinary Shares	F	706	$32.02	Disposed	9045	Direct
2026-02-19	Ordinary Shares	M	2991	—	Acquired	12036	Direct
2026-02-19	Ordinary Shares	F	979	$32.00	Disposed	11057	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-18	Restricted Stock Unit Award	$	M	2034	Disposed		Ordinary Shares (2034)	Direct
2026-02-19	Restricted Stock Unit Award	$	M	2991	Disposed		Ordinary Shares (2991)	Direct

Footnotes

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 2/19/2026.