Alkermes plc. — Director's Dealing 2011

Sep 21, 2011

SEC Form 4/A — Form 4/A

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2011-09-16

Reporting Person: POPS RICHARD F (Director, Director and CEO, Alkermes plc)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-09-16	Restricted Stock Unit Award	$0	D	24375	Disposed		Common Stock (24375)	Direct

Footnotes

F1: 25% vested as of 9/16/11, remainder vests in 3 equal annual installments beginning on 5/17/12.

F2: Form 4 Amendment is being filed to correctly represent that that this exchange was for restricted stock unit awards and not stock options.

F3: Received in exchange for, and having substantially the same terms as, restricted stock unit awards of Alkermes, Inc. common stock in connection with the Merger.