William Lewis, Chair and CEO at INSMED Inc (INSM), sold 13,730 shares at $128.76 ($1.8M) on 2025-08-18, disclosed to the SEC on 2025-08-20.
Scheduled sale ($1.8M) 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 | $127.59 | 2,968 | $379K | 21.5% |
| 2 | $127.59 | 2,968 | $379K | 21.5% |
| 3 | $128.76 | 2,481 | $319K | 18.1% |
| 4 | $128.76 | 2,481 | $319K | 18.1% |
| 5 | $129.47 | 1,416 | $183K | 10.4% |
| 6 | $129.47 | 1,416 |
| $183K |
| 10.4% |
| Total | $128.40 avg | 13,730 | $1.8M | 100% |
| Filing → |
| INSM | SELL | 2026-06-26 | $2.2M | — | Filing → |
| INSM | SELL | 2026-06-10 | $613K | — | Filing → |
| INSM | SELL | 2026-06-05 | $778K | — | Filing → |