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 |
|---|---|---|---|---|---|---|---|---|
| Jan 7, 2026 | Jan 7 10:04 PM | Michael Smith | Proposed Sale | 709 | $175.07 | $124.1K | — | View → |
| Jan 7, 2026 | Jan 7 9:59 PM | William Lewis | Proposed Sale | 2,357 | $175.07 | $412.6K | — | View → |
| Jan 7, 2026 | Jan 7 9:42 PM | Sara Bonstein | Proposed Sale | 1,678 | $175.17 | $293.9K | — | View → |
| Jan 7, 2026 | Jan 7 9:42 PM | Martina Flammer | Proposed Sale | 1,434 | $175.84 | $252.2K | — | View → |
| Jan 6, 2026 | Jan 6 9:40 PM | Sara Bonstein | Proposed Sale | 1,517 | $173.33 | $262.9K | — | View → |
| Jan 6, 2026 | Jan 6 9:37 PM | Martina Flammer | Proposed Sale | 1,615 | $173.33 | $279.9K | — | View → |
| Jan 6, 2026 | Jan 6 9:33 PM | Roger Adsett | Proposed Sale | 1,429 | $173.33 | $247.7K | — | View → |
| Jan 6, 2026 | Jan 6 9:26 PM | Michael Smith | Proposed Sale | 1,396 | $173.33 | $242.0K | — | View → |
| Jan 6, 2026 | Jan 6 9:20 PM | William Lewis | Proposed Sale | 4,096 | $173.33 | $710.0K | — | View → |
| Jan 5, 2026 | Jan 5 9:33 PM | Martina Flammer | Proposed Sale | 20,873 | $171.39 | $3.6M | — | View → |
| Jan 2, 2026 | Jan 2 9:29 PM | Stacey Nicole Schaeffer Orlov | Proposed Sale | 87,290 | $175.11 | $15.3M | — | View → |
| Dec 18, 2025 | Dec 18 9:45 PM | William Lewis | Proposed Sale | 10,699 | $166.97 | $1.8M | — | View → |
| Dec 5, 2025 | Dec 5 10:39 PM | MELVIN SHAROKY | Proposed Sale | 20,000 | $205.00 | $4.1M | — | View → |
| Dec 4, 2025 | Dec 4 10:10 PM | William Lewis | Proposed Sale | 10,699 | $205.59 | $2.2M | — | View → |
| Dec 1, 2025 | Dec 1 9:08 PM | Martina Flammer | Proposed Sale | 8,895 | $206.95 | $1.8M | — | View → |
| Nov 24, 2025 | Nov 24 8:07 PM | ANDERSON ELIZABETH M | Proposed Sale | 5,000 | $204.00 | $1.0M | — | View → |
| Nov 17, 2025 | Nov 17 10:29 PM | Leo Lee | Proposed Sale | 75,000 | $193.22 | $14.5M | — | View → |
| Nov 13, 2025 | Nov 13 5:53 PM | ANDERSON ELIZABETH M | Proposed Sale | 10,000 | $194.00 | $1.9M | — | View → |
| Nov 12, 2025 | Nov 12 9:57 PM | Stacey Nicole Schaeffer Orlov | Proposed Sale | 30,000 | $194.51 | $5.8M | — | View → |
| Nov 11, 2025 | Nov 12 1:28 PM | Martina Flammer | Proposed Sale | 31,226 | $189.64 | $5.9M | — | 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 → |