Lewis William (CIK 1402051) reported 190 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-26). Recent activity: Buy INSM (12,518 shares), Buy INSM (8,880 shares), Sell INSM (12,091 shares), Sell INSM (1,836 shares), Sell INSM (3,723 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-26 | INSMED Inc (INSM) | Chair and CEO | Buy | 12,518 | $381,298 |
| 2026-06-26 | INSMED Inc (INSM) | Chair and CEO | Buy | 8,880 | $152,381 |
| 2026-06-26 | INSMED Inc (INSM) | Chair and CEO | Sell | 12,091 | $1.2M |
| 2026-06-26 | INSMED Inc (INSM) | Chair and CEO | Sell | 1,836 | $189,292 |
| 2026-06-26 | INSMED Inc (INSM) | Chair and CEO | Sell | 3,723 | $388,234 |
| 2026-06-26 | INSMED Inc (INSM) | Chair and CEO | Sell | 2,456 | $258,543 |
| 2026-06-26 | INSMED Inc (INSM) | Chair and CEO | Sell | 1,292 | $137,301 |
| 2026-06-10 | INSMED Inc (INSM) | Chair and CEO | Sell | 6,515 | $612,605 |
| 2026-06-05 | INSMED Inc (INSM) | Chair and CEO | Sell | 7,605 | $777,763 |
| 2026-05-20 | INSMED Inc (INSM) | Chair and CEO | Sell | 11,836 | $1.3M |
| 2026-05-20 | INSMED Inc (INSM) | Chair and CEO | Buy | 4,440 | $76,190 |
| 2026-05-20 | INSMED Inc (INSM) | Chair and CEO | Sell | 5,753 | $605,906 |
| 2026-05-20 | INSMED Inc (INSM) | Chair and CEO | Buy | 6,259 | $190,649 |
| 2026-05-20 | INSMED Inc (INSM) | Chair and CEO | Sell | 7,975 | $853,086 |
| 2026-05-15 | INSMED Inc (INSM) | Chair and CEO | Sell | 13,283 | $1.5M |
| 2026-04-17 | INSMED Inc (INSM) | Chair and CEO | Buy | 6,259 | $190,649 |
| 2026-04-17 | INSMED Inc (INSM) | Chair and CEO | Buy | 4,440 | $76,190 |
| 2026-04-17 | INSMED Inc (INSM) | Chair and CEO | Sell | 2,246 | $321,156 |
| 2026-04-17 | INSMED Inc (INSM) | Chair and CEO | Sell | 5,373 | $772,691 |
| 2026-04-17 | INSMED Inc (INSM) | Chair and CEO | Sell | 2,255 | $326,208 |
| 2026-04-17 | INSMED Inc (INSM) | Chair and CEO | Sell | 825 | $120,277 |
| 2026-04-08 | INSMED Inc (INSM) | Chair and CEO | Buy | 6,259 | $190,649 |
| 2026-04-08 | INSMED Inc (INSM) | Chair and CEO | Buy | 4,440 | $76,190 |
| 2026-04-08 | INSMED Inc (INSM) | Chair and CEO | Sell | 787 | $127,282 |
| 2026-04-08 | INSMED Inc (INSM) | Chair and CEO | Sell | 8,478 | $1.4M |
Source: SEC Form 4 filings · as of 2026-06-26