Form 4 Tracker
Alkermes plc.
ALKS

60 insider filings · Latest: Oct 8, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Oct 2, 2026Oct 2 10:22 PMDavid Joseph GaffinEVP, CLO, Alkermes, Inc.
Sale
2,034$41.03$83.5K221,388(D)

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Oct 2, 2026Oct 2 8:04 PMGaffin David Joseph
Proposed Sale
2,034$41.03$83.5K—

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Sep 3, 2026Sep 3 10:32 PMDavid Joseph GaffinEVP, CLO, Alkermes, Inc.
Sale
2,034$48.01$97.7K223,422(D)

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Sep 3, 2026Sep 3 8:58 PMGaffin David Joseph
Proposed Sale
2,034$48.01$97.7K—

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Sep 1, 2026Sep 1 11:08 PMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Sale
9,000$46.99$422.9K65,389(D)

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Sep 1, 2026Sep 1 8:10 PMHopkinson Craig C.
Proposed Sale
9,000$46.99$422.9K—

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Aug 17, 2026Aug 17 10:53 PMChristian Todd NicholsSVP, Chief Commercial Officer
Sale
7,576$49.23$372.9K102,193(D)

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Aug 17, 2026Aug 17 8:50 PMNichols Christian Todd
Proposed Sale
7,576$49.23$372.9K—

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Aug 3, 2026Aug 3 11:16 PMNancy Lynn Snyderman MDDirector
Sale
44,472$50.35$2.2M15,395(D)

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Aug 3, 2026Aug 3 11:12 PMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Sale
9,000$48.58$437.2K69,389(D)

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Aug 3, 2026Aug 3 11:09 PMDavid Joseph GaffinEVP, CLO, Alkermes, Inc.
Sale
2,034$48.58$98.8K225,456(D)

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Aug 3, 2026Aug 3 8:34 PMsnyderman nancy lynn MD
Proposed Sale
44,472$50.35$2.2M—

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Aug 3, 2026Aug 3 8:32 PMGaffin David Joseph
Proposed Sale
2,034$48.58$98.8K—

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Aug 3, 2026Aug 3 8:31 PMHopkinson Craig C.
Proposed Sale
9,000$48.58$437.2K—

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Jul 6, 2026Jul 6 8:48 PMDavid Joseph GaffinEVP, CLO, Alkermes, Inc.
Sale
2,034$54.03$109.9K227,490(D)

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Jul 6, 2026Jul 6 8:18 PMGaffin David Joseph
Proposed Sale
2,034$54.03$109.9K—

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Jul 1, 2026Jul 1 10:29 PMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Sale
9,000$51.51$463.6K73,389(D)

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Jul 1, 2026Jul 1 8:12 PMHopkinson Craig C.
Proposed Sale
9,000$51.51$463.6K—

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Jun 12, 2026Jun 13 12:04 AMChristopher I WrightDirector
Sale
2,000$45.10$90.2K25,680(D)

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Jun 12, 2026Jun 12 8:19 PMWright Christopher I
Proposed Sale
2,000$45.10$90.2K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Oct 8, 2026Oct 9 10:18 PMJoshua ReedSVP, Chief Financial Officer
Option Exercise
9,164—27,492(D)

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Oct 7, 2026Oct 9 10:16 PMAnne Clem WhitakerDirector
Grant/Award
25,237$41.4517,998(D)

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Sep 1, 2026Sep 1 11:08 PMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Option Exercise
5,000$24.5961,276(D)

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Aug 5, 2026Aug 8 1:17 AMBlair Curtis JacksonDirector, President & CEO, Alkermes plc
Grant/Award
217,534$49.61124,305(D)

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Aug 3, 2026Aug 3 11:16 PMNancy Lynn Snyderman MDDirector
Option Exercise
44,472$46.720(D)

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Aug 3, 2026Aug 3 11:12 PMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Option Exercise
5,000$24.5966,276(D)

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Jul 1, 2026Jul 1 10:29 PMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Option Exercise
5,000$19.341,356(D)

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Jun 1, 2026Jun 1 11:26 PMCraig C. HopkinsonEVP R&D, Chief Medical Officer
Option Exercise
5,000$19.346,356(D)

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May 29, 2026May 29 10:03 PMSamuel Joseph ParisiVP, Finance (Interim PAO)
Option Exercise
16,217$20.0312,826(D)

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May 21, 2026May 23 12:08 AMChristopher I WrightDirector
Option Exercise
6,142—0(D)

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May 20, 2026May 23 12:08 AMChristopher I WrightDirector
Grant/Award
16,947$36.985,409(D)

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May 21, 2026May 23 12:06 AMFrank Anders WilsonDirector
Option Exercise
6,142—0(D)

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May 20, 2026May 23 12:06 AMFrank Anders WilsonDirector
Grant/Award
16,947$36.985,409(D)

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May 21, 2026May 23 12:04 AMNancy Lynn Snyderman MDDirector
Option Exercise
6,142—0(D)

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May 20, 2026May 23 12:04 AMNancy Lynn Snyderman MDDirector
Grant/Award
16,947$36.985,409(D)

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May 21, 2026May 23 12:03 AMBrian P MckeonDirector
Option Exercise
6,142—0(D)

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May 20, 2026May 23 12:03 AMBrian P MckeonDirector
Grant/Award
16,947$36.985,409(D)

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May 21, 2026May 23 12:01 AMNancy LurkerDirector
Option Exercise
6,142—0(D)

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May 20, 2026May 23 12:01 AMNancy LurkerDirector
Grant/Award
16,947$36.985,409(D)

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May 21, 2026May 23 12:00 AMCato T LaurencinDirector
Option Exercise
6,142—0(D)

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