| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Across the last three months, Insmed Incorporated's insiders have reduced their positions by a net 297,023 shares worth roughly $39.2M.
Classified under Biotechnology (Health Care sector), INSM's insider flows are most useful compared with peers in the same group.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 259.1K | $27.36M | - | |
| COO | 98.7K | $3.01M | - | |
| Dir | 97.7K | - | - | |
| Dir | 70.3K | - | - | |
| CFO | 69.1K | $7.07M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 | Brennan David R | Director | Sell | 25,000 | $124.00 | $3,100,000.00 | -38.9% | - | - | |
| Aug 17, 2026 | Sharoky Melvin Md74 | Director | Sell | 5,000 | $127.53 | $637,650.00 | -100% | - | - | |
| Aug 10, 2026 | Adsett Roger | Chief Operating Officer | Sale+OE | 239,850 | $133.27 | $31,964,809.50 | -70.8% | - | - | |
| Aug 6, 2026 | Flammer Martina M.D. | Chief Medical Officer | Sale+OE10b5-1 | 27,173 | $128.61 | $3,494,838.20 | -31.0% | - | - | |
| Jul 23, 2026 | Lewis William50 | Chair and CEO | Sale+OE10b5-1 | 10,700 | $106.06 | $1,134,890.32 | -4.0% | -12.4% | - | |
| Jul 9, 2026 | Lewis William50 | Chair and CEO | Sale+OE10b5-1 | 10,699 | $117.40 | $1,256,084.13 | -4.0% | -14.0% | - | |
| Jul 6, 2026 | Flammer Martina M.D. | Chief Medical Officer | Sale+OE10b5-1 | 12,302 | $109.98 | $1,352,931.88 | -16.9% | -6.9% | - | |
| Jun 25, 2026 | Lewis William50 | Chair and CEO | Sale+OE10b5-1 | 21,398 | $103.32 | $2,210,762.94 | -7.6% | +13.3% | - | |
| Jun 22, 2026 | Smith Michael Alexander | Chief Legal Officer | Sell10b5-1 | 1,806 | $95.82 | $173,050.92 | -4.6% | +22.7% | - | |
| Jun 8, 2026 | Lewis William50 | Chair and CEO | Sell10b5-1 | 6,515 | $94.03 | $612,605.45 | -2.5% | +32.6% | - |