William Lewis, Chair and CEO at INSMED Inc (INSM), sold 25,564 shares at $105.32 ($2.7M) on 2026-05-18, disclosed to the SEC on 2026-05-20.
Scheduled sale ($2.7M) by Chair and CEO under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $105.32 | 5,753 | $606K | 22.3% |
| 2 | $106.39 | 11,836 | $1.3M | 46.3% |
| 3 | $106.97 | 7,975 | $853K | 31.4% |
| Total | $106.33 avg | 25,564 | $2.7M | 100% |
| Filing → |
| INSM | SELL | 2026-06-26 | $2.2M | — | Filing → |
| INSM | SELL | 2026-06-10 | $613K | — | Filing → |
| INSM | SELL | 2026-06-05 | $778K | — | Filing → |