InsiderTrades

Form 4 for ALKS Alkermes plc.

Accepted 2026-05-22 16:59:13 ET · period of report 2026-05-20 · accession 0001520262-26-000084 · 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 2026-05-22 16:59 2026-05-21 ALKS GAYNOR RICHARD Dir M - OptEx — +6,142 37.2K +20% —
D 2026-05-22 16:59 2026-05-21 ALKS GAYNOR RICHARD Dir F - Tax $36.95 -1,475 35.8K -4% -$54.5K
DM 2026-05-22 16:59 2026-05-20 ALKS GAYNOR RICHARD Dir A - Grant $0.00 +16.9K 5,409 New $0
D 2026-05-22 16:59 2026-05-21 ALKS GAYNOR RICHARD Dir M - OptEx — -6,142 0 -100% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Ordinary Shares 2026-05-21 M A 6,142 — 37,226 D — — (F1) Each restricted stock unit represents a contingent right to receive one ordinary share.
2 Common Ordinary Shares 2026-05-21 F D 1,475 $36.95 35,751 D — —
3 Derivative Non Qualified Stock Option (Right to Buy) 2026-05-20 A A 11,538 $0.00 11,538 D $36.98 · 2027-05-20 to 2036-05-20 11,538 Ordinary Shares (F2) Shares subject to the stock option award vest and become exercisable in full on 5/20/2027.
4 Derivative Restricted Stock Unit Award 2026-05-20 A A 5,409 $0.00 5,409 D — · 2027-05-20 to — 5,409 Ordinary Shares (F1) Each restricted stock unit represents a contingent right to receive one ordinary share. (F3) Shares subject to the restricted stock unit award vest in full on 5/20/2027. (F3) Shares subject to the restricted stock unit award vest in full on 5/20/2027.
5 Derivative Restricted Stock Unit Award 2026-05-21 M D 6,142 — 0 D — · — to — 6,142 Ordinary Shares (F1) Each restricted stock unit represents a contingent right to receive one ordinary share. (F1) Each restricted stock unit represents a contingent right to receive one ordinary share. (F4) This award is fully vested in accordance with its terms. (F4) This award is fully vested in accordance with its terms.