InsiderTrades

Form 4 for ALKS Alkermes plc.

Accepted 2026-02-25 00:00:00 ET · period of report 2026-02-23 · accession 0001520262-26-000031 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-02-25 2026-02-23 ALKS Gaffin David Joseph EVP, CLO, Alkermes, Inc F - Tax $32.19 -3,414 235.9K -1% -$109.9K
D 2026-02-25 2026-02-23 ALKS Gaffin David Joseph EVP, CLO, Alkermes, Inc M - OptEx — +7,689 239.3K +3% —
D 2026-02-25 2026-02-23 ALKS Gaffin David Joseph EVP, CLO, Alkermes, Inc M - OptEx — -7,689 7,690 -50% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Ordinary Shares 2026-02-23 F D 3,414 $32.19 235,877 D — —
2 Common Ordinary Shares 2026-02-23 M A 7,689 — 239,291 D — — (F1) Each restricted stock unit represents a contingent right to receive one ordinary share.
3 Derivative Restricted Stock Unit Award 2026-02-23 M D 7,689 — 7,690 D — · — to — 7,689 Ordinary Shares (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.