Alkermes plc. — Director's Dealing 2024

Jul 1, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2024-06-29

Reporting Person: MCKEON BRIAN P (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-06-29	Ordinary Shares	M	6104	—	Acquired	29245	Direct
2024-06-29	Ordinary Shares	F	1465	$24.10	Disposed	27780	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-06-29	Restricted Stock Unit Award	$	M	6104	Disposed		Ordinary Shares (6104)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	10000	Indirect

Footnotes

F1: Shares are held by The Brian P. McKeon Revocable Trust, dated April 12, 2007 and amended and restated on February 8, 2019 (the "Brian P. McKeon Trust"), of which the reporting person and his wife are the trustees and members of the reporting person's immediate family are the beneficiaries.

F2: Each restricted stock unit represents a contingent right to receive one ordinary share.

F3: This award is fully vested in accordance with its terms.