Alkermes plc. — Director's Dealing 2023

Feb 11, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2023-02-10

Reporting Person: MCKEON BRIAN P (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-02-10	Ordinary Shares	M	4445	—	Acquired	15169	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-02-10	Restricted Stock Unit Award	$	M	4445	Disposed		Ordinary Shares (4445)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	10000	Indirect

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one ordinary share.

F2: The reporting person and his wife are trustees of The Brian P. McKeon Revocable Trust, dated April 12, 2007 and amended and restated on February 8, 2019 (the "Brian P. McKeon Trust"), and members of the reporting person's immediate family are beneficiaries of the trust.

F3: Shares subject to the restricted stock unit award vest in three annual installments commencing on 2/10/2022.