INSMED INC (INSM) has 204 open-market insider trades by 28 insiders since 2007. Over the last six months insiders net sold $40.8M. The most active filer is William Lewis, CEO & Chairman.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| William Lewis | CEOChairman | — | 28 | $67.5M | 2026-07-23 |
| Roger Adsett | COO | — | 19 | $50.4M | 2026-08-10 |
| Orlov S. Nicole Schaeffer | — | — | 21 | $40.4M | 2026-01-02 |
| Leo Lee | Dir | — | 2 | $30.2M | 2026-05-13 |
| Michael Alexander Smith | CLO | — | 21 | $23.2M | 2026-06-22 |
| FMR LLC | 10% | — | 9 | $17.5M | 2013-07-22 |
| Melvin Sharoky M.D. | Dir | — | 20 | $16.6M | 2026-08-17 |
| Martina Flammer M.D. | — | — | 14 | $14.1M | 2026-08-06 |
| Christine A. Pellizzari | CLO | — | 6 | $12.2M | 2021-05-15 |
| John Soriano | CCO | — | 4 | $8.7M | 2021-09-07 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| David R. Brennan | Director | Sell | $3.1M | 2026-09-09 |
| Melvin Sharoky M.D. | Director | Sell | $638K | 2026-08-17 |
| Roger Adsett | COO | Sell | $32.0M | 2026-08-10 |
| Martina Flammer M.D. | — | Sell | $3.5M | 2026-08-06 |
| William Lewis | CEO & Chairman | Sell | $1.1M | 2026-07-23 |
| William Lewis | CEO & Chairman | Sell | $1.3M | 2026-07-09 |
Companies that share insiders with INSM, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Martina Flammer M.D. | — | Sell | $1.4M | 2026-07-06 |
| William Lewis | CEO & Chairman | Sell | $2.2M | 2026-06-25 |
| Michael Alexander Smith | CLO | Sell | $173K | 2026-06-22 |
| William Lewis | CEO & Chairman | Sell | $613K | 2026-06-08 |
| Michael Alexander Smith | CLO | Sell | $221K | 2026-06-03 |
| William Lewis | CEO & Chairman | Sell | $778K | 2026-06-03 |
| Sara Bonstein | CFO | Sell | $246K | 2026-06-03 |
| Martina Flammer M.D. | — | Sell | $455K | 2026-06-03 |
| Roger Adsett | COO | Sell | $242K | 2026-06-03 |