Alkermes plc. — Director's Dealing 2017

Mar 10, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2017-03-10

Reporting Person: BIBERSTEIN KATHRYN L (EVP/CAO/CCO Alks Inc; Sec ALKS)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-03-10	Ordinary Shares	M	8137	$12.29	Acquired	54904	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-03-10	Employee Stock Option (Right to Buy)	$12.29	M	8137	Disposed	2018-05-27	Ordinary Shares (8137)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	36848	Indirect
Ordinary Shares	57152	Indirect

Footnotes

F1: Shares held by the 2015 GRAT. The Reporting Person is a trustee and beneficiary of the 2015 GRAT and may be deemed to hold voting and dispositive power with regard to the reported shares held by the 2015 GRAT.

F2: Shares held by the 2016 GRAT. The Reporting Person is a trustee and beneficiary of the 2016 GRAT and may be deemed to hold voting and dispositive power with regard to the reported shares held by the 2016 GRAT.

F3: These options are fully vested in accordance with their terms.