David Joseph Gaffin - 03 Aug 2025 Form 4 Insider Report for Alkermes plc. (ALKS)

Signature
/s/ Shantale Greenson, attorney-in-fact for David Joseph Gaffin
Issuer symbol
ALKS
Transactions as of
03 Aug 2025
Net transactions value
-$23,762
Form type
4
Filing time
04 Aug 2025, 16:43:11 UTC
Previous filing
28 Feb 2025
Next filing
06 Feb 2026

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 04 Aug 2025 0001675905

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALKS Ordinary Shares Options Exercise +2,014 +0.99% 206,269 03 Aug 2025 Direct F1
transaction ALKS Ordinary Shares Tax liability $23,762 -895 -0.43% $26.55 205,374 03 Aug 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 -2,014 -50% 2,015 03 Aug 2025 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.