Form 4 Tracker
INSMED Inc
INSM

49 insider filings · Latest: Aug 10, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Feb 6, 2025Feb 6 10:56 PMWise John Drayton
Proposed Sale
8,000$80.90$647.2K

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Feb 6, 2025Feb 6 10:43 PMSmith Michael Alexander
Proposed Sale
21,000$80.90$1.7M

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Feb 6, 2025Feb 6 10:39 PMSchaeffer Orlov S Nicole
Proposed Sale
61,000$80.90$4.9M

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Feb 6, 2025Feb 6 10:34 PMLewis William
Proposed Sale
86,000$80.90$7.0M

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Feb 6, 2025Feb 6 10:25 PMFlammer Martina M.D.
Proposed Sale
33,500$80.90$2.7M

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Feb 6, 2025Feb 6 10:21 PMBonstein Sara
Proposed Sale
29,000$80.90$2.3M

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Feb 6, 2025Feb 6 10:17 PMAdsett Roger
Proposed Sale
46,000$80.90$3.7M

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Feb 3, 2025Feb 3 9:35 PMLewis William
Proposed Sale
25,580$77.91$2.0M

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Jan 30, 2025Jan 30 9:28 PMSchaeffer Orlov S Nicole
Proposed Sale
91,140$80.00$7.3M

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Jan 15, 2025Jan 15 10:17 PMLewis William
Proposed Sale
38,635$70.17$2.7M

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Jan 10, 2025Jan 10 11:11 PMAdsett Roger
Proposed Sale
5,061$64.50$326.4K

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Jan 10, 2025Jan 10 11:01 PMSchaeffer Orlov S Nicole
Proposed Sale
3,964$64.50$255.7K

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Jan 10, 2025Jan 10 10:53 PMFlammer Martina M.D.
Proposed Sale
6,185$64.50$398.9K

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Jan 10, 2025Jan 10 10:45 PMBonstein Sara
Proposed Sale
1,066$63.72$67.9K

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Jan 10, 2025Jan 10 10:42 PMFlammer Martina M.D.
Proposed Sale
1,371$63.73$87.4K

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Jan 10, 2025Jan 10 10:38 PMAdsett Roger
Proposed Sale
1,298$63.86$82.9K

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Jan 10, 2025Jan 10 10:31 PMSmith Michael Alexander
Proposed Sale
319$63.38$20.2K

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Jan 10, 2025Jan 10 10:19 PMWise John Drayton
Proposed Sale
287$65.40$18.8K

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Jan 10, 2025Jan 10 10:16 PMSchaeffer Orlov S Nicole
Proposed Sale
965$63.86$61.6K

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Jan 10, 2025Jan 10 10:09 PMLewis William
Proposed Sale
2,978$63.34$188.6K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Aug 10, 2026Aug 12 9:04 PMRoger AdsettChief Operating Officer
Option Exercise
239,850$30.460(D)

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Aug 6, 2026Aug 7 8:39 PMMartina M.D. FlammerChief Medical Officer
Option Exercise
27,173$25.8335,580(D)

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Jul 23, 2026Jul 24 9:02 PMWilliam LewisDirector, Chair and CEO
Option Exercise
10,700$30.460(D)

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Jul 9, 2026Jul 10 8:02 PMWilliam LewisDirector, Chair and CEO
Option Exercise
10,699$30.464,440(D)

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Jul 6, 2026Jul 8 8:03 PMMartina M.D. FlammerChief Medical Officer
Option Exercise
12,302$29.134,358(D)

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Jun 25, 2026Jun 26 8:03 PMWilliam LewisDirector, Chair and CEO
Option Exercise
21,398$30.468,880(D)

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Jun 23, 2026Jun 24 8:15 PMSamuele ButeraSVP, GM, Global Respiratory
Grant/Award
12,570$102.1512,570(D)

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May 18, 2026May 20 8:06 PMWilliam LewisDirector, Chair and CEO
Option Exercise
10,699$30.4617,760(D)

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May 11, 2026May 13 8:50 PMMartina M.D. FlammerChief Medical Officer
Option Exercise
12,949$17.070(D)

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May 4, 2026May 6 8:11 PMWilliam LewisDirector, Chair and CEO
Option Exercise
10,699$30.4622,200(D)

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Apr 16, 2026Apr 17 8:43 PMWilliam LewisDirector, Chair and CEO
Option Exercise
10,699$30.4626,640(D)

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Apr 6, 2026Apr 8 8:41 PMWilliam LewisDirector, Chair and CEO
Option Exercise
10,699$30.4631,080(D)

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Apr 1, 2026Apr 3 8:07 PMRoger AdsettChief Operating Officer
Option Exercise
88,060$14.560(D)

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Mar 30, 2026Mar 31 8:13 PMMichael Alexander SmithChief Legal Officer
Option Exercise
19,638$27.8918,561(D)

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Mar 19, 2026Mar 20 8:05 PMWilliam LewisDirector, Chair and CEO
Option Exercise
10,699$30.4635,520(D)

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Mar 5, 2026Mar 5 9:16 PMWilliam LewisDirector, Chair and CEO
Option Exercise
10,699$30.4639,960(D)

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Feb 24, 2026Feb 25 9:04 PMMichael Alexander SmithChief Legal Officer
Option Exercise
20,248$17.0714,282(D)

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Feb 19, 2026Feb 23 9:34 PMWilliam LewisDirector, Chair and CEO
Option Exercise
10,699$30.4644,400(D)

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Feb 9, 2026Feb 11 9:42 PMWilliam LewisDirector, Chair and CEO
Option Exercise
10,699$30.4668,850(D)

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Feb 2, 2026Feb 4 9:15 PMMartina M.D. FlammerChief Medical Officer
Option Exercise
7,982$65.7223,948(D)

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