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Insider Trading

David Joseph Gaffin - Insider Trading & Ownership

Location: 852 Winter Street, Waltham, MA
Summary: The estimated net worth of David Joseph Gaffin is at least $5.45M dollars as of August 4, 2025. David Joseph Gaffin is the EVP, CLO, Alkermes, Inc. of Alkermes plc. and owns shares of Alkermes plc. (ALKS) stock worth about $5.45M.
Signature: /s/ Shantale Greenson, attorney-in-fact for David Joseph Gaffin
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Ownership of David Joseph Gaffin

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
ALKS	Alkermes plc.	EVP, CLO, Alkermes, Inc.	$5.45M			Aug 3, 2025

Insider Transactions Reported by David Joseph Gaffin:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

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