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 |
|---|---|---|---|---|---|---|---|---|
| Aug 10, 2026 | Aug 12 9:04 PM | Roger AdsettChief Operating Officer | Sale | 239,850 | $133.27 | $32.0M | 98,744(D) | View → |
| Aug 10, 2026 | Aug 10 9:42 PM | Roger Adsett | Proposed Sale | 239,850 | $133.26 | $32.0M | — | View → |
| Aug 6, 2026 | Aug 7 8:39 PM | Martina M.D. FlammerChief Medical Officer | Sale | 27,173 | $128.61 | $3.5M | 60,486(D) | View → |
| Aug 6, 2026 | Aug 6 8:09 PM | Martina Flammer | Proposed Sale | 27,173 | $128.61 | $3.5M | — | View → |
| Jul 23, 2026 | Jul 24 9:02 PM | William LewisDirector, Chair and CEO | Sale | 10,700 | $106.06 | $1.1M | 259,058(D) | View → |
| Jul 23, 2026 | Jul 23 8:38 PM | William Lewis | Proposed Sale | 10,700 | $106.06 | $1.1M | — | View → |
| Jul 9, 2026 | Jul 10 8:02 PM | William LewisDirector, Chair and CEO | Sale | 10,699 | $117.40 | $1.3M | 259,058(D) | View → |
| Jul 9, 2026 | Jul 9 8:29 PM | William Lewis | Proposed Sale | 10,699 | $117.40 | $1.3M | — | View → |
| Jul 6, 2026 | Jul 8 8:03 PM | Martina M.D. FlammerChief Medical Officer | Sale | 12,302 | $109.98 | $1.4M | 60,486(D) | View → |
| Jul 6, 2026 | Jul 6 8:20 PM | Martina Flammer | Proposed Sale | 12,302 | $109.97 | $1.4M | — | View → |
| Jun 25, 2026 | Jun 26 8:03 PM | William LewisDirector, Chair and CEO | Sale | 21,398 | $103.32 | $2.2M | 258,917(D) | View → |
| Jun 25, 2026 | Jun 25 8:14 PM | William Lewis | Proposed Sale | 21,398 | $103.31 | $2.2M | — | View → |
| Jun 22, 2026 | Jun 24 8:11 PM | Michael Alexander SmithChief Legal Officer | Sale | 1,806 | $95.82 | $173.1K | 37,648(D) | View → |
| Jun 22, 2026 | Jun 22 8:20 PM | Michael Smith | Proposed Sale | 1,806 | $95.81 | $173.0K | — | View → |
| Jun 8, 2026 | Jun 10 8:05 PM | William LewisDirector, Chair and CEO | Sale | 6,515 | $94.03 | $612.6K | 258,917(D) | View → |
| Jun 8, 2026 | Jun 8 8:34 PM | William Lewis | Proposed Sale | 6,515 | $94.03 | $612.6K | — | View → |
| Jun 5, 2026 | Jun 5 8:18 PM | Martina Flammer | Proposed Sale | 1,858 | $103.77 | $192.8K | — | View → |
| Jun 3, 2026 | Jun 5 8:15 PM | Roger AdsettChief Operating Officer | Sale | 2,370 | $102.27 | $242.4K | 98,603(D) | View → |
| Jun 3, 2026 | Jun 5 8:14 PM | Sara BonsteinChief Financial Officer | Sale | 2,404 | $102.27 | $245.9K | 69,082(D) | View → |
| Jun 3, 2026 | Jun 5 8:14 PM | Michael Alexander SmithChief Legal Officer | Sale | 2,159 | $102.27 | $220.8K | 39,454(D) | View → |
Page 1 of 12
Next →
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Jan 20, 2026 | Jan 22 9:28 PM | William LewisDirector, Chair and CEO | Option Exercise | 10,699 | $30.46 | 53,280(D) | View → |
← Previous
Page 2 of 2