SEC Form 4 · Updated Daily

ALKS

— ALKERMES PUBLIC LIMITED COMPANY Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

FinancialsOwnership

Current Reporting Owners

OwnerRoleShares OwnedAs OfLast Activity
Jackson Blair CurtisOfficer241,3082026-02-26F
Gaffin David JosephOfficer223,4222026-09-03S
Cooke ShaneDirector106,6792026-05-21F
Nichols Christian ToddOfficer102,1932026-08-17S
Hopkinson Craig C.Officer65,3892026-09-01S
MCKEON BRIAN PDirector38,5362026-05-21F
Wilson Frank AndersDirector35,7512026-05-21F
GAYNOR RICHARDDirector35,7512026-05-21F
LAURENCIN CATO TDirector33,7692026-05-21F
Wright Christopher IDirector25,6802026-06-12S
Lurker NancyDirector18,2222026-05-21F
snyderman nancy lynn MDDirector15,3952026-08-03S
Parisi Samuel JosephOfficer7,7172026-05-29S

Recent Filings

DateOwnerActivitySharesPriceOwned After
2026-09-03Gaffin David JosephOpen-market sale2,034$48.01223,422
2026-09-01Hopkinson Craig C.Option exercise (derivative)5,000$0.0061,276
2026-09-01Hopkinson Craig C.Open-market sale9,000$46.9965,389
2026-09-01Hopkinson Craig C.Option exercise5,000$24.5974,389
2026-08-17Nichols Christian ToddOpen-market sale664$49.65102,193
2026-08-17Nichols Christian ToddOpen-market sale6,912$49.19102,857
2026-08-05Jackson Blair CurtisGrant / award (derivative)124,305$0.00124,305
2026-08-05Jackson Blair CurtisGrant / award (derivative)93,229$0.0093,229
2026-08-03Gaffin David JosephOpen-market sale2,034$48.58225,456
2026-08-03Hopkinson Craig C.Option exercise (derivative)4,896$0.0066,276
2026-08-03Hopkinson Craig C.Option exercise (derivative)104$0.001,252
2026-08-03Hopkinson Craig C.Open-market sale9,000$48.5869,389
2026-08-03Hopkinson Craig C.Option exercise4,896$24.5978,389
2026-08-03Hopkinson Craig C.Option exercise104$19.3473,493
2026-08-03snyderman nancy lynn MDOption exercise (derivative)27,948$0.000
2026-08-03snyderman nancy lynn MDOpen-market sale44,472$50.3515,395
2026-08-03snyderman nancy lynn MDOption exercise16,524$46.7259,867
2026-08-03snyderman nancy lynn MDOption exercise27,948$46.7243,343
2026-07-06Gaffin David JosephOpen-market sale2,034$54.03227,490
2026-07-01Hopkinson Craig C.Option exercise (derivative)5,000$0.001,356
2026-07-01Hopkinson Craig C.Open-market sale700$52.1373,389
2026-07-01Hopkinson Craig C.Open-market sale8,300$51.4674,089
2026-07-01Hopkinson Craig C.Option exercise5,000$19.3482,389
2026-06-12Wright Christopher IOpen-market sale2,000$45.1025,680
2026-06-04Gaffin David JosephOpen-market sale2,034$43.05229,524
2026-06-01Hopkinson Craig C.Option exercise (derivative)5,000$0.006,356
2026-06-01Hopkinson Craig C.Open-market sale9,000$41.6777,389
2026-06-01Hopkinson Craig C.Option exercise5,000$19.3486,389
2026-05-29Parisi Samuel JosephOption exercise (derivative)12,825$0.0012,826
2026-05-29Parisi Samuel JosephOption exercise (derivative)3,392$0.003,394
2026-05-29Parisi Samuel JosephOpen-market sale16,217$42.367,717
2026-05-29Parisi Samuel JosephOption exercise12,825$19.3423,934
2026-05-29Parisi Samuel JosephOption exercise3,392$20.0311,109
2026-05-21Cooke ShaneOption exercise (derivative)6,142—0
2026-05-21Cooke ShaneTax withholding3,207$36.95106,679
2026-05-21Cooke ShaneOption exercise6,142—109,886
2026-05-21GAYNOR RICHARDOption exercise (derivative)6,142—0
2026-05-21GAYNOR RICHARDTax withholding1,475$36.9535,751
2026-05-21GAYNOR RICHARDOption exercise6,142—37,226
2026-05-21LAURENCIN CATO TOption exercise (derivative)6,142—0

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.