Alkermes plc. — Director's Dealing 2016

Feb 10, 2016

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2015-12-31

Reporting Person: BIBERSTEIN KATHRYN L (SVP, CLO, Secretary & CCO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-12-08	Ordinary Shares	G	500	—	Disposed	1379	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	94000	Indirect

Footnotes

F1: Excludes 94,000 shares previously owned directly which were contributed to the Kathryn L. Biberstein 2015 Annuity Trust dated December 11, 2015 (the "2015 GRAT") on December 14, 2015, which was exempt from reporting obligations by virtue of Rule 16a-13 promulgated under the Securities Exchange Act of 1934, as amended.

F2: 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.