INSMED Inc
INSM
49 insider filings · Latest: Aug 10, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 3, 2026 | Jun 5 8:12 PM | William LewisDirector, Chair and CEO | Sale | 7,605 | $102.27 | $777.8K | 265,432(D) | View → |
| Jun 5, 2026 | Jun 5 8:11 PM | Martina M.D. FlammerChief Medical Officer | Sale | 1,858 | $103.78 | $192.8K | 60,486(D) | View → |
| Jun 3, 2026 | Jun 5 8:11 PM | Martina M.D. FlammerChief Medical Officer | Sale | 2,566 | $102.27 | $262.4K | 62,344(D) | View → |
| Jun 3, 2026 | Jun 3 8:41 PM | Sara Bonstein | Proposed Sale | 2,404 | $102.27 | $245.9K | — | View → |
| Jun 3, 2026 | Jun 3 8:35 PM | Martina Flammer | Proposed Sale | 2,566 | $102.27 | $262.4K | — | View → |
| Jun 3, 2026 | Jun 3 8:28 PM | Roger Adsett | Proposed Sale | 2,370 | $102.27 | $242.4K | — | View → |
| Jun 3, 2026 | Jun 3 8:21 PM | Michael Smith | Proposed Sale | 2,159 | $102.27 | $220.8K | — | View → |
| Jun 3, 2026 | Jun 3 8:10 PM | William Lewis | Proposed Sale | 7,605 | $102.27 | $777.8K | — | View → |
| May 22, 2026 | May 22 8:55 PM | Michael Smith | Proposed Sale | 6,149 | $108.46 | $667.0K | — | View → |
| May 22, 2026 | May 22 8:25 PM | Michael Alexander SmithChief Legal Officer | Sale | 6,149 | $108.47 | $667.0K | 41,613(D) | View → |
| May 18, 2026 | May 20 8:06 PM | William LewisDirector, Chair and CEO | Sale | 25,564 | $106.33 | $2.7M | 273,037(D) | View → |
| May 18, 2026 | May 18 8:53 PM | William Lewis | Proposed Sale | 25,564 | $106.33 | $2.7M | — | View → |
| May 13, 2026 | May 15 8:08 PM | Sara BonsteinChief Financial Officer | Sale | 8,272 | $116.18 | $961.0K | 71,486(D) | View → |
| May 13, 2026 | May 15 8:07 PM | Roger AdsettChief Operating Officer | Sale | 5,837 | $116.18 | $678.1K | 100,973(D) | View → |
| May 14, 2026 | May 15 8:07 PM | Martina M.D. FlammerChief Medical Officer | Sale | 10,479 | $117.54 | $1.2M | 64,910(D) | View → |
| May 13, 2026 | May 15 8:07 PM | Martina M.D. FlammerChief Medical Officer | Sale | 7,854 | $114.23 | $897.2K | 75,389(D) | View → |
| May 13, 2026 | May 15 8:07 PM | Michael Alexander SmithChief Legal Officer | Sale | 4,109 | $116.18 | $477.4K | 47,762(D) | View → |
| May 13, 2026 | May 15 8:06 PM | William LewisDirector, Chair and CEO | Sale | 13,283 | $116.18 | $1.5M | 287,902(D) | View → |
| May 14, 2026 | May 14 9:20 PM | Martina Flammer | Proposed Sale | 10,479 | $117.53 | $1.2M | — | View → |
| May 13, 2026 | May 13 9:24 PM | Roger Adsett | Proposed Sale | 5,837 | $116.18 | $678.1K | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Aug 10, 2026 | Aug 12 9:04 PM | Roger AdsettChief Operating Officer | Option Exercise | 239,850 | $30.46 | 0(D) | View → |
| Aug 6, 2026 | Aug 7 8:39 PM | Martina M.D. FlammerChief Medical Officer | Option Exercise | 27,173 | $25.83 | 35,580(D) | View → |
| Jul 23, 2026 | Jul 24 9:02 PM | William LewisDirector, Chair and CEO | Option Exercise | 10,700 | $30.46 | 0(D) | View → |
| Jul 9, 2026 | Jul 10 8:02 PM | William LewisDirector, Chair and CEO | Option Exercise | 10,699 | $30.46 | 4,440(D) | View → |
| Jul 6, 2026 | Jul 8 8:03 PM | Martina M.D. FlammerChief Medical Officer | Option Exercise | 12,302 | $29.13 | 4,358(D) | View → |
| Jun 25, 2026 | Jun 26 8:03 PM | William LewisDirector, Chair and CEO | Option Exercise | 21,398 | $30.46 | 8,880(D) | View → |
| Jun 23, 2026 | Jun 24 8:15 PM | Samuele ButeraSVP, GM, Global Respiratory | Grant/Award | 12,570 | $102.15 | 12,570(D) | View → |
| May 18, 2026 | May 20 8:06 PM | William LewisDirector, Chair and CEO | Option Exercise | 10,699 | $30.46 | 17,760(D) | View → |
| May 11, 2026 | May 13 8:50 PM | Martina M.D. FlammerChief Medical Officer | Option Exercise | 12,949 | $17.07 | 0(D) | View → |
| May 4, 2026 | May 6 8:11 PM | William LewisDirector, Chair and CEO | Option Exercise | 10,699 | $30.46 | 22,200(D) | View → |
| Apr 16, 2026 | Apr 17 8:43 PM | William LewisDirector, Chair and CEO | Option Exercise | 10,699 | $30.46 | 26,640(D) | View → |
| Apr 6, 2026 | Apr 8 8:41 PM | William LewisDirector, Chair and CEO | Option Exercise | 10,699 | $30.46 | 31,080(D) | View → |
| Apr 1, 2026 | Apr 3 8:07 PM | Roger AdsettChief Operating Officer | Option Exercise | 88,060 | $14.56 | 0(D) | View → |
| Mar 30, 2026 | Mar 31 8:13 PM | Michael Alexander SmithChief Legal Officer | Option Exercise | 19,638 | $27.89 | 18,561(D) | View → |
| Mar 19, 2026 | Mar 20 8:05 PM | William LewisDirector, Chair and CEO | Option Exercise | 10,699 | $30.46 | 35,520(D) | View → |
| Mar 5, 2026 | Mar 5 9:16 PM | William LewisDirector, Chair and CEO | Option Exercise | 10,699 | $30.46 | 39,960(D) | View → |
| Feb 24, 2026 | Feb 25 9:04 PM | Michael Alexander SmithChief Legal Officer | Option Exercise | 20,248 | $17.07 | 14,282(D) | View → |
| Feb 19, 2026 | Feb 23 9:34 PM | William LewisDirector, Chair and CEO | Option Exercise | 10,699 | $30.46 | 44,400(D) | View → |
| Feb 9, 2026 | Feb 11 9:42 PM | William LewisDirector, Chair and CEO | Option Exercise | 10,699 | $30.46 | 68,850(D) | View → |
| Feb 2, 2026 | Feb 4 9:15 PM | Martina M.D. FlammerChief Medical Officer | Option Exercise | 7,982 | $65.72 | 23,948(D) | View → |
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