David Joseph Gaffin - Feb 22, 2025 Form 4 Insider Report for Alkermes plc. (ALKS)

Role: EVP, CLO, Alkermes, Inc.
Signature: /s/ Stephanie Roche, attorney-in-fact for David Joseph Gaffin
Stock symbol: ALKS
Transactions as of: Feb 22, 2025
Transactions value $: -$237,138
Form type: 4
Date filed: 2/25/2025, 06:39 PM
Previous filing: Feb 20, 2025
Next filing: Feb 28, 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALKS	Ordinary Shares	Options Exercise		+7.43K	+3.87%		199K	Feb 22, 2025	Direct	F1
transaction	ALKS	Ordinary Shares	Tax liability	-$117K	-3.3K	-1.65%	$35.32	196K	Feb 22, 2025	Direct
transaction	ALKS	Ordinary Shares	Options Exercise		+7.69K	+3.92%		204K	Feb 23, 2025	Direct	F1
transaction	ALKS	Ordinary Shares	Tax liability	-$121K	-3.41K	-1.67%	$35.32	200K	Feb 23, 2025	Direct

Showing 1 to 4 of 4 entries

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ALKS	Restricted Stock Unit Award	Options Exercise		-7.43K	-100%		0	Feb 22, 2025	Ordinary Shares	7.43K		Direct	F1, F2
transaction	ALKS	Restricted Stock Unit Award	Options Exercise		-7.69K	-33.33%		15.4K	Feb 23, 2025	Ordinary Shares	7.69K		Direct	F1, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one ordinary share.
F2	This award is fully vested in accordance with its terms.
F3	Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/23/2024.