Form 4 Tracker
INSMED Inc
INSM

49 insider filings · Latest: Aug 10, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jan 8, 2025Jan 8 10:31 PMBonstein Sara
Proposed Sale
1,464$66.04$96.7K

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Jan 8, 2025Jan 8 10:26 PMFlammer Martina M.D.
Proposed Sale
1,702$66.15$112.6K

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Jan 8, 2025Jan 8 10:17 PMAdsett Roger
Proposed Sale
1,882$66.10$124.4K

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Jan 8, 2025Jan 8 9:57 PMSmith Michael Alexander
Proposed Sale
1,064$66.21$70.4K

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Jan 8, 2025Jan 8 9:52 PMWise John Drayton
Proposed Sale
392$66.21$26.0K

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Jan 8, 2025Jan 8 9:47 PMSchaeffer Orlov S Nicole
Proposed Sale
1,209$65.84$79.6K

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Jan 8, 2025Jan 8 9:39 PMLewis William
Proposed Sale
3,999$65.95$263.7K

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Jan 7, 2025Jan 7 11:03 PMBonstein Sara
Proposed Sale
3,470$66.11$229.4K

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Jan 7, 2025Jan 7 10:54 PMFlammer Martina M.D.
Proposed Sale
3,344$65.91$220.4K

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Jan 7, 2025Jan 7 10:45 PMAdsett Roger
Proposed Sale
2,444$66.11$161.6K

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Jan 7, 2025Jan 7 10:36 PMSmith Michael Alexander
Proposed Sale
2,306$65.98$152.1K

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Jan 7, 2025Jan 7 10:22 PMWise John Drayton
Proposed Sale
10,000$65.95$659.5K

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Jan 7, 2025Jan 7 10:17 PMWise John Drayton
Proposed Sale
2,908$65.87$191.5K

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Jan 7, 2025Jan 7 10:10 PMSchaeffer Orlov S Nicole
Proposed Sale
2,596$65.88$171.0K

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Jan 7, 2025Jan 7 9:56 PMLewis William
Proposed Sale
8,218$66.01$542.5K

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Jan 2, 2025Jan 2 9:37 PMLewis William
Proposed Sale
25,580$69.82$1.8M

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Dec 19, 2024Dec 19 9:29 PMLewis William
Proposed Sale
25,580$69.88$1.8M

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Dec 12, 2024Dec 12 9:29 PMLewis William
Proposed Sale
25,580$72.94$1.9M

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Sep 13, 2024Sep 13 8:28 PMSmith Michael Alexander
Proposed Sale
27,871$74.60$2.1M

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Sep 10, 2024Sep 10 8:14 PMSchaeffer Orlov S Nicole
Proposed Sale
37,575$71.30$2.7M

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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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