INSMED Inc
INSM
44 insider filings · Latest: Jun 25, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 2, 2025 | Jun 2 8:35 PM | Lewis William | Proposed Sale | 6,830 | $71.28 | $486.8K | — | View → |
| May 30, 2025 | May 30 8:08 PM | Smith Michael Alexander | Proposed Sale | 26,327 | $69.63 | $1.8M | — | View → |
| May 29, 2025 | May 29 8:22 PM | Wise John Drayton | Proposed Sale | 6,691 | $66.60 | $445.6K | — | View → |
| May 28, 2025 | May 28 8:14 PM | Wise John Drayton | Proposed Sale | 3,431 | $68.00 | $233.3K | — | View → |
| May 20, 2025 | May 20 9:03 PM | Wise John Drayton | Proposed Sale | 7,000 | $67.38 | $471.7K | — | View → |
| May 20, 2025 | May 20 8:54 PM | Lewis William | Proposed Sale | 27,887 | $67.63 | $1.9M | — | View → |
| May 15, 2025 | May 15 9:01 PM | Flammer Martina M.D. | Proposed Sale | 11,724 | $65.47 | $767.6K | — | View → |
| May 14, 2025 | May 14 10:23 PM | Wise John Drayton | Proposed Sale | 401 | $65.61 | $26.3K | — | View → |
| May 14, 2025 | May 14 9:53 PM | Smith Michael Alexander | Proposed Sale | 409 | $65.61 | $26.8K | — | View → |
| May 14, 2025 | May 14 9:49 PM | Schaeffer Orlov S Nicole | Proposed Sale | 1,236 | $65.61 | $81.1K | — | View → |
| May 14, 2025 | May 14 9:45 PM | Lewis William | Proposed Sale | 3,771 | $65.61 | $247.4K | — | View → |
| May 14, 2025 | May 14 9:39 PM | Flammer Martina M.D. | Proposed Sale | 1,744 | $65.61 | $114.4K | — | View → |
| May 14, 2025 | May 14 9:35 PM | Bonstein Sara | Proposed Sale | 1,634 | $65.61 | $107.2K | — | View → |
| May 14, 2025 | May 14 9:30 PM | Adsett Roger | Proposed Sale | 1,925 | $65.61 | $126.3K | — | View → |
| May 13, 2025 | May 13 9:44 PM | Lewis William | Proposed Sale | 17,442 | $67.81 | $1.2M | — | View → |
| May 13, 2025 | May 13 9:35 PM | Bonstein Sara | Proposed Sale | 8,870 | $67.81 | $601.5K | — | View → |
| May 13, 2025 | May 13 9:32 PM | Flammer Martina M.D. | Proposed Sale | 8,408 | $67.81 | $570.1K | — | View → |
| May 13, 2025 | May 13 9:29 PM | Adsett Roger | Proposed Sale | 7,482 | $67.81 | $507.4K | — | View → |
| May 13, 2025 | May 13 9:18 PM | Schaeffer Orlov S Nicole | Proposed Sale | 4,999 | $67.81 | $339.0K | — | View → |
| May 13, 2025 | May 13 9:12 PM | Wise John Drayton | Proposed Sale | 4,610 | $67.81 | $312.6K | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| 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 → |
| Jan 20, 2026 | Jan 22 9:28 PM | William LewisDirector, Chair and CEO | Option Exercise | 10,699 | $30.46 | 53,280(D) | View → |