Alkermes plc. — Director's Dealing 2014

Jan 22, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2014-01-21

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-01-21	Ordinary Shares	M	1373	$18.60	Acquired	17952	Direct
2014-01-21	Ordinary Shares	M	6345	$20.79	Acquired	24297	Direct
2014-01-21	Ordinary Shares	S	7718	$48.6086	Disposed	16579	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-01-21	Non Qualified Stock Option (Right to Buy)	$18.60	M	1373	Disposed	2015-12-09	Ordinary Shares (1373)	Direct
2014-01-21	Non Qualified Stock Option (Right to Buy)	$20.79	M	6345	Disposed	2016-05-02	Ordinary Shares (6345)	Direct

Footnotes

F1: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $48.47 to $48.8201. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

F4: These options are fully vested in accordance with their terms.