Alkermes plc. - Director's Dealing 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2021-06-09

Reporting Person: Alva Emily Peterson (Director)

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-06-09	Restricted Stock Unit Award	$	A	532	Acquired		Ordinary Shares (532)	Direct
2021-06-09	Non Qualified Stock Option (Right to Buy)	$24.70	A	1115	Acquired	2031-06-09	Ordinary Shares (1115)	Direct
2021-06-09	Restricted Stock Unit Award	$	A	11387	Acquired		Ordinary Shares (11387)	Direct
2021-06-09	Non Qualified Stock Option (Right to Buy)	$24.70	A	22759	Acquired	2031-06-09	Ordinary Shares (22759)	Direct

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 full on 6/9/2022.

F3: Shares subject to the stock option award vest and become exercisable in full on 6/9/2022.

F4: Shares subject to the restricted stock unit award vest in three annual installments commencing on 6/9/2022.

F5: Shares subject to the stock option award vest in three annual installments commencing on 6/9/2022.