Alkermes plc. — Director's Dealing 2017

Feb 22, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2017-02-17

Reporting Person: Ehrich Elliot (EVP, R&D & CMO, Alkermes, Inc.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-21	Ordinary Shares	G	600	—	Disposed	49057	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-17	Restricted Stock Unit Award	$0	A	15000	Acquired		Ordinary Shares (15000)	Direct
2017-02-17	Employee Stock Option (Right to Buy)	$54.57	A	65000	Acquired	2027-02-17	Ordinary Shares (65000)	Direct

Footnotes

F1: Shares subject to the restricted stock unit award vest in equal annual installments over a four year period, commencing on 2/17/18.

F2: Shares subject to the stock option award vest in four equal annual installments commencing on 2/17/18.