Form 4 Tracker
INSMED Inc
INSM

49 insider filings · Latest: Aug 10, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jan 2, 2026Jan 2 9:29 PMStacey Nicole Schaeffer Orlov
Proposed Sale
87,290$175.11$15.3M

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Dec 18, 2025Dec 18 9:45 PMWilliam Lewis
Proposed Sale
10,699$166.97$1.8M

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Dec 5, 2025Dec 5 10:39 PMMELVIN SHAROKY
Proposed Sale
20,000$205.00$4.1M

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Dec 4, 2025Dec 4 10:10 PMWilliam Lewis
Proposed Sale
10,699$205.59$2.2M

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Dec 1, 2025Dec 1 9:08 PMMartina Flammer
Proposed Sale
8,895$206.95$1.8M

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Nov 24, 2025Nov 24 8:07 PMANDERSON ELIZABETH M
Proposed Sale
5,000$204.00$1.0M

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Nov 17, 2025Nov 17 10:29 PMLeo Lee
Proposed Sale
75,000$193.22$14.5M

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Nov 13, 2025Nov 13 5:53 PMANDERSON ELIZABETH M
Proposed Sale
10,000$194.00$1.9M

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Nov 12, 2025Nov 12 9:57 PMStacey Nicole Schaeffer Orlov
Proposed Sale
30,000$194.51$5.8M

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Nov 11, 2025Nov 12 1:28 PMMartina Flammer
Proposed Sale
31,226$189.64$5.9M

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Nov 3, 2025Nov 3 10:01 PMMichael A Smith
Proposed Sale
27,130$183.75$5.0M

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Sep 12, 2025Sep 12 9:03 PMSchaeffer Orlov S Nicole
Proposed Sale
76,520$145.42$11.1M

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Sep 12, 2025Sep 12 7:55 PMSHAROKY MELVIN MD
Proposed Sale
10,000$145.00$1.4M

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Sep 2, 2025Sep 2 8:49 PMFlammer Martina M.D.
Proposed Sale
186,648$144.31$26.9M

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Sep 2, 2025Sep 2 8:41 PMSmith Michael Alexander
Proposed Sale
24,272$143.85$3.5M

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Aug 20, 2025Aug 20 4:53 PMSHAROKY MELVIN MD
Proposed Sale
10,000$129.46$1.3M

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Aug 19, 2025Aug 19 9:19 PMAdsett Roger
Proposed Sale
25,000$127.55$3.2M

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Aug 18, 2025Aug 18 8:58 PMLewis William
Proposed Sale
6,865$128.37$881.2K

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Aug 14, 2025Aug 14 8:10 PMSchaeffer Orlov S Nicole
Proposed Sale
10,000$127.31$1.3M

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Aug 13, 2025Aug 13 8:22 PMALFRED ALTOMARI
Proposed Sale
13,600$121.64$1.7M

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jan 20, 2026Jan 22 9:28 PMWilliam LewisDirector, Chair and CEO
Option Exercise
10,699$30.4653,280(D)

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