David Joseph Gaffin - Aug 3, 2025 Form 4 Insider Report for Alkermes plc. (ALKS)

Signature
/s/ Shantale Greenson, attorney-in-fact for David Joseph Gaffin
Stock symbol
ALKS
Transactions as of
Aug 3, 2025
Transactions value $
-$23,762
Form type
4
Date filed
8/4/2025, 04:43 PM
Previous filing
Feb 28, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gaffin David Joseph EVP, CLO, Alkermes, Inc. 900 WINTER STREET, WALTHAM /s/ Shantale Greenson, attorney-in-fact for David Joseph Gaffin 2025-08-04 0001675905

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALKS Ordinary Shares Options Exercise +2.01K +0.99% 206K Aug 3, 2025 Direct F1
transaction ALKS Ordinary Shares Tax liability -$23.8K -895 -0.43% $26.55 205K Aug 3, 2025 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 -2.01K -49.99% 2.02K Aug 3, 2025 Ordinary Shares 2.01K 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.