Alkermes plc. — Director's Dealing 2020

May 22, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2020-05-20

Reporting Person: BREYER ROBERT A (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-20	Non Qualified Stock Option (Right to Buy)	$16.85	A	12823	Acquired	2030-05-20	Ordinary Shares (12823)	Direct
2020-05-20	Restricted Stock Unit Award	$0	A	6104	Acquired		Ordinary Shares (6104)	Direct

Footnotes

F1: This option and restricted stock unit award together represent 50% of the approved value of the non-employee director annual equity grant. The remaining portion of such grant has been delayed, and is subject to downward adjustment, due to the uncertainty posed by the COVID-19 pandemic.

F2: This option becomes exercisable in full on 5/20/2021.

F3: Shares subject to the restricted stock unit award vest in full on 5/20/2021.