William Lewis, Chair and CEO at INSMED Inc (INSM), sold 10,699 shares at $134.18 ($1.5M) on 2026-05-04, disclosed to the SEC on 2026-05-06.
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 | $134.18 | 433 | $58K | 4.0% |
| 2 | $135.18 | 599 | $81K | 5.5% |
| 3 | $137.01 | 5,318 | $729K | 49.6% |
| 4 | $137.86 | 2,721 | $375K | 25.5% |
| 5 | $139.09 | 1,247 | $173K | 11.8% |
| 6 | $139.60 | 381 |
| $53K |
| 3.6% |
| Total | $137.34 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 → |