Alkermes plc. — Director's Dealing 2014

Jul 11, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2014-07-09

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-07-09	Ordinary Shares	M	16667	$11.74	Acquired	39640	Direct
2014-07-09	Ordinary Shares	S	14400	$47.2934	Disposed	25240	Direct
2014-07-09	Ordinary Shares	S	2267	$48.1688	Disposed	22973	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-07-09	Employee Stock Option (Right to Buy)	$11.74	M	16667	Disposed	2020-05-17	Ordinary Shares (16667)	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 $46.77 to $47.77. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

F4: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $47.79 to $48.47. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

F5: These options are fully vested in accordance with their terms.