William Lewis, Chair and CEO at INSMED Inc (INSM), sold 10,699 shares at $142.99 ($1.5M) on 2026-04-16, disclosed to the SEC on 2026-04-17.
Scheduled sale ($1.5M) 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 | $142.99 | 2,246 | $321K | 20.8% |
| 2 | $143.81 | 5,373 | $773K | 50.2% |
| 3 | $144.66 | 2,255 | $326K | 21.2% |
| 4 | $145.79 | 825 | $120K | 7.8% |
| Total | $143.97 avg | 10,699 | $1.5M | 100% |
| Filing → |
| INSM | SELL | 2026-06-26 | $2.2M | — | Filing → |
| INSM | SELL | 2026-06-10 | $613K | — | Filing → |
| INSM | SELL | 2026-06-05 | $778K | — | Filing → |