Gaffin David Joseph 4
4 · Alkermes plc. · Filed Feb 25, 2026
Insider Transaction Report
Form 4
Alkermes plc.ALKS
Gaffin David Joseph
EVP, CLO, Alkermes, Inc.
Transactions
- Exercise/Conversion
Ordinary Shares
[F1]2026-02-23+7,689→ 239,291 total - Tax Payment
Ordinary Shares
2026-02-23$32.19/sh−3,414$109,897→ 235,877 total - Exercise/Conversion
Restricted Stock Unit Award
[F1][F2]2026-02-23−7,689→ 7,690 total→ Ordinary Shares (7,689 underlying)
Footnotes (2)
- [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 2/23/2024.
Signature
/s/ Shantale Greenson, attorney-in-fact for David Joseph Gaffin|2026-02-25