Alkermes plc. — Director's Dealing 2021

Dec 4, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2021-12-02

Reporting Person: Wysenski Nancy (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-12-02	Ordinary Shares	M	5578	—	Acquired	10278	Direct
2021-12-02	Ordinary Shares	F	1339	$22.11	Disposed	8939	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-12-02	Restricted Stock Unit Award	$	M	5578	Disposed		Ordinary Shares (5578)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	11242	Indirect

Footnotes

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

F2: The reporting person is a trustee and a beneficiary of The Nancy J. Wysenski Revocable Trust, established on September 23, 2014 ("The Nancy J. Wysenski Revocable Trust").

F3: This award is fully vested in accordance with its terms.