David Joseph Gaffin - 03 Aug 2024 Form 4 Insider Report for Alkermes plc. (ALKS)

Role: EVP, CLO, Alkermes, Inc.
Signature: /s/ Shantale Greenson, attorney-in-fact for David Joseph Gaffin
Issuer symbol: ALKS
Transactions as of: 03 Aug 2024
Net transactions value: -$24,809
Form type: 4
Filing time: 05 Aug 2024, 16:13:44 UTC
Previous filing: 27 Feb 2024
Next filing: 07 Feb 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		+2,014	+1.2%		166,796	03 Aug 2024	Direct	F1
transaction	ALKS	Ordinary Shares	Tax liability	$24,809	-895	-0.54%	$27.72	165,901	03 Aug 2024	Direct

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		-2,014	-33%		4,029	03 Aug 2024	Ordinary Shares	2,014		Direct	F1, F2

* 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	Shares subject to the restricted stock unit award vest in four equal annual installments commencing on 8/3/2023.