Form 4 Tracker
Alkermes plc.
ALKS

60 insider filings · Latest: Oct 8, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Mar 2, 2026Mar 2 10:07 PMGaffin David Joseph
Proposed Sale
2,034$29.29$59.6K—

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Mar 2, 2026Mar 2 9:36 PMHopkinson Craig C.
Proposed Sale
9,000$29.72$267.5K—

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Feb 2, 2026Feb 3 1:52 AMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Sale
9,000$33.93$305.4K57,740(D)

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Feb 2, 2026Feb 3 1:48 AMShane CookeDirector
Sale
61,200$34.57$2.1M103,744(D)

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Feb 2, 2026Feb 2 9:05 PMCooke Shane
Proposed Sale
61,200$34.57$2.1M—

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Feb 2, 2026Feb 2 9:02 PMHopkinson Craig C.
Proposed Sale
9,000$33.93$305.4K—

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Jan 8, 2026Jan 9 12:38 AMHopkinson Craig C.
Proposed Sale
5,000$30.00$150.0K—

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Jan 2, 2026Jan 2 9:36 PMHopkinson Craig C.
Proposed Sale
4,000$28.00$112.0K—

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Dec 3, 2025Dec 3 9:32 PMHopkinson Craig C.
Proposed Sale
3,748$30.00$112.4K—

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Dec 1, 2025Dec 1 9:45 PMHopkinson Craig C.
Proposed Sale
4,000$29.30$117.2K—

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Nov 3, 2025Nov 3 9:35 PMHopkinson Craig C.
Proposed Sale
9,000$30.38$273.4K—

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Oct 15, 2025Oct 15 8:07 PMHopkinson Craig C.
Proposed Sale
9,000$31.53$283.8K—

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Jun 10, 2025Jun 10 8:29 PMNichols Christian Todd
Proposed Sale
3,334$31.09$103.7K—

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Jun 9, 2025Jun 9 8:08 PMNichols Christian Todd
Proposed Sale
3,333$31.95$106.5K—

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Feb 13, 2025Feb 13 9:36 PMHopkinson Craig C.
Proposed Sale
144,419$35.53$5.1M—

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Feb 12, 2025Feb 12 9:19 PMHopkinson Craig C.
Proposed Sale
204,921$32.78$6.7M—

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Jan 30, 2025Jan 30 10:12 PMHopkinson Craig C.
Proposed Sale
100,918$32.05$3.2M—

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Dec 9, 2024Dec 9 10:27 PMLAURENCIN CATO T
Proposed Sale
2,691$31.85$85.7K—

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Dec 9, 2024Dec 9 10:24 PMHopkinson Craig C.
Proposed Sale
61,151$32.07$2.0M—

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Dec 5, 2024Dec 5 9:12 PMHopkinson Craig C.
Proposed Sale
9,221$31.50$290.5K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Feb 26, 2026Feb 27 9:39 PMBlair Curtis JacksonEVP, Chief Operating Officer
Option Exercise
8,322—16,645(D)

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Feb 26, 2026Feb 27 9:38 PMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Option Exercise
6,866—13,732(D)

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Feb 26, 2026Feb 27 9:37 PMDavid Joseph GaffinEVP, CLO, Alkermes, Inc.
Option Exercise
6,866—13,732(D)

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Feb 23, 2026Feb 25 10:49 PMSamuel Joseph ParisiVP, Finance (Interim PAO)
Option Exercise
2,283—2,284(D)

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Feb 23, 2026Feb 25 10:48 PMChristian Todd NicholsSVP, Chief Commercial Officer
Option Exercise
6,407—6,408(D)

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Feb 23, 2026Feb 25 10:47 PMBlair Curtis JacksonEVP, Chief Operating Officer
Option Exercise
8,738—8,738(D)

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Feb 23, 2026Feb 25 10:46 PMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Option Exercise
7,689—7,690(D)

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Feb 23, 2026Feb 25 10:44 PMDavid Joseph GaffinEVP, CLO, Alkermes, Inc.
Option Exercise
7,689—7,690(D)

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Feb 19, 2026Feb 20 9:25 PMSamuel Joseph ParisiVP, Finance (Interim PAO)
Option Exercise
2,991—8,974(D)

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Feb 18, 2026Feb 20 9:25 PMSamuel Joseph ParisiVP, Finance (Interim PAO)
Option Exercise
2,034—0(D)

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Feb 19, 2026Feb 20 9:24 PMChristian Todd NicholsSVP, Chief Commercial Officer
Option Exercise
6,045—18,137(D)

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Feb 18, 2026Feb 20 9:24 PMChristian Todd NicholsSVP, Chief Commercial Officer
Option Exercise
6,355—0(D)

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Feb 19, 2026Feb 20 9:23 PMBlair Curtis JacksonEVP, Chief Operating Officer
Option Exercise
9,300—27,903(D)

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Feb 18, 2026Feb 20 9:23 PMBlair Curtis JacksonEVP, Chief Operating Officer
Option Exercise
8,897—0(D)

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Feb 19, 2026Feb 20 9:22 PMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Option Exercise
7,673—23,019(D)

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Feb 18, 2026Feb 20 9:22 PMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Option Exercise
8,897—0(D)

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Feb 19, 2026Feb 20 9:20 PMDavid Joseph GaffinEVP, CLO, Alkermes, Inc.
Option Exercise
7,673—23,019(D)

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Feb 18, 2026Feb 20 9:20 PMDavid Joseph GaffinEVP, CLO, Alkermes, Inc.
Option Exercise
6,355—0(D)

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Feb 2, 2026Feb 3 1:52 AMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Option Exercise
5,000$19.3426,356(D)

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Feb 2, 2026Feb 3 1:48 AMShane CookeDirector
Option Exercise
61,200$31.640(D)

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