William Lewis, Chair and CEO at INSMED Inc (INSM), sold 10,699 shares at $142.17 ($1.5M) on 2026-03-19, disclosed to the SEC on 2026-03-20.
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 | $142.17 | 1,629 | $232K | 15.1% |
| 2 | $143.42 | 4,537 | $651K | 42.4% |
| 3 | $144.11 | 4,533 | $653K | 42.5% |
| Total | $143.52 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 → |