Brian P. Mckeon - May 31, 2025 Form 4 Insider Report for Alkermes plc. (ALKS)

Role
Director
Signature
/s/ Shantale Greenson, attorney-in-fact for Brian P. McKeon
Stock symbol
ALKS
Transactions as of
May 31, 2025
Transactions value $
-$58,894
Form type
4
Date filed
6/2/2025, 04:32 PM
Previous filing
May 23, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
MCKEON BRIAN P Director CONNAUGHT HOUSE, 1 BURLINGTON ROAD, DUBLIN /s/ Shantale Greenson, attorney-in-fact for Brian P. McKeon 2025-06-02 0001219445

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALKS Ordinary Shares Options Exercise +8.01K +28.84% 35.8K May 31, 2025 Direct F1
transaction ALKS Ordinary Shares Tax liability -$58.9K -1.92K -5.38% $30.61 33.9K May 31, 2025 Direct
holding ALKS Ordinary Shares 10K May 31, 2025 By the Brian P. McKeon Trust F2

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 -8.01K -100% 0 May 31, 2025 Ordinary Shares 8.01K 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 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.
F3 This award is fully vested in accordance with its terms.