| Mar 18, 2024 | NCNichols Christian Todd SVP, Chief Commercial Officer | SSale | 10,417 | $28.1021 | $292,740 | |
| Feb 27, 2024 | PRPOPS RICHARD F Director and CEO, Alkermes plc · Director | Holdings only | — | — | — | |
| Feb 27, 2024 | HCHopkinson Craig C. EVP R&D, Chief Medical Officer | FTax | 3,414 | $29.57 | $100,952 | |
| Feb 27, 2024 | JBJackson Blair Curtis EVP, Chief Operating Officer | FTax | 3,880 | $29.57 | $114,732 | |
| Feb 27, 2024 | LMLANDINE MICHAEL J SVP, Corp Dev., Alkermes, Inc. | FTax | 1,811 | $29.57 | $53,551 | |
| Feb 27, 2024 | GDGaffin David Joseph EVP, CLO, Alkermes, Inc. | FTax | 3,414 | $29.57 | $100,952 | |
| Feb 27, 2024 | BIBrown Iain Michael SVP, Chief Financial Officer | FTax | 2,587 | $29.57 | $76,498 | |
| Feb 27, 2024 | PSParisi Samuel Joseph VP, Finance (Interim PAO) | SSale | 2,559 | $29.65 | $75,874 | |
| Feb 27, 2024 | NCNichols Christian Todd SVP, Chief Commercial Officer | FTax | 2,845 | $29.57 | $84,127 | |
| Feb 23, 2024 | BIBrown Iain Michael SVP, Chief Financial Officer | FTax | 3,156 | $28.91 | $91,240 | |
| Feb 23, 2024 | GDGaffin David Joseph EVP, CLO, Alkermes, Inc. | FTax | 3,300 | $28.91 | $95,403 | |
| Feb 23, 2024 | HCHopkinson Craig C. EVP R&D, Chief Medical Officer | FTax | 5,452 | $28.91 | $157,617 | |
| Feb 23, 2024 | JBJackson Blair Curtis EVP, Chief Operating Officer | FTax | 4,304 | $28.91 | $124,429 | |
| Feb 23, 2024 | LMLANDINE MICHAEL J SVP, Corp Dev., Alkermes, Inc. | FTax | 1,929 | $28.91 | $55,767 | |
| Feb 23, 2024 | NCNichols Christian Todd SVP, Chief Commercial Officer | FTax | 3,156 | $28.91 | $91,240 | |
| Feb 23, 2024 | PSParisi Samuel Joseph VP, Finance (Interim PAO) | FTax | 908 | $28.91 | $26,250 | |
| Feb 21, 2024 | BIBrown Iain Michael SVP, Chief Financial Officer | FTax | 1,869 | $32.18 | $60,144 | |
| Feb 21, 2024 | GDGaffin David Joseph EVP, CLO, Alkermes, Inc. | FTax | 2,994 | $30.39 | $90,988 | |
| Feb 21, 2024 | HCHopkinson Craig C. EVP R&D, Chief Medical Officer | FTax | 4,572 | $30.39 | $138,943 | |
| Feb 21, 2024 | JBJackson Blair Curtis EVP, Chief Operating Officer | FTax | 3,888 | $32.18 | $125,116 | |
| Feb 21, 2024 | LMLANDINE MICHAEL J SVP, Corp Dev., Alkermes, Inc. | FTax | 1,606 | $30.39 | $48,806 | |
| Feb 21, 2024 | NCNichols Christian Todd SVP, Chief Commercial Officer | FTax | 1,869 | $32.18 | $60,144 | |
| Feb 21, 2024 | PSParisi Samuel Joseph VP, Finance (Interim PAO) | FTax | 706 | $32.18 | $22,719 | |
| Feb 16, 2024 | LC | SSale | 2,690 | $31.85 | $85,677 | |
| Feb 13, 2024 | JBJackson Blair Curtis EVP, Chief Operating Officer | FTax | 11,007 | $26.77 | $294,657 | |
| Feb 13, 2024 | DDDaglio David Angelo Jr. Director | FTax | 1,088 | $27.32 | $29,724 | |
| Feb 13, 2024 | MB | FTax | 1,088 | $27.32 | $29,724 | |
| Feb 12, 2024 | BIBrown Iain Michael SVP, Chief Financial Officer | FTax | 8,137 | $26.77 | $217,827 | |
| Feb 12, 2024 | GDGaffin David Joseph EVP, CLO, Alkermes, Inc. | FTax | 8,483 | $26.77 | $227,090 | |
| Feb 12, 2024 | HCHopkinson Craig C. EVP R&D, Chief Medical Officer | FTax | 15,280 | $26.77 | $409,046 | |
| Feb 12, 2024 | LMLANDINE MICHAEL J SVP, Corp Dev., Alkermes, Inc. | FTax | 3,183 | $26.77 | $85,209 | |
| Feb 12, 2024 | NCNichols Christian Todd SVP, Chief Commercial Officer | FTax | 8,135 | $26.77 | $217,774 | |
| Feb 12, 2024 | PRPOPS RICHARD F Director and CEO, Alkermes plc · Director | FTax | 91,757 | $26.77 | $2,456,335 | |