William Lewis, Chair and CEO at INSMED Inc (INSM), sold 9,676 shares at $173.33 ($1.7M) on 2026-01-06, disclosed to the SEC on 2026-01-08.
Seasonal sale ($1.7M) by Chair and CEO — this insider has traded INSM in January in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $173.33 | 4,096 | $710K | 42.2% |
| 2 | $175.07 | 2,357 | $413K | 24.5% |
| 3 | $174.17 | 3,223 | $561K | 33.3% |
| Total | $174.03 avg | 9,676 | $1.7M | 100% |
| Filing → |
| INSM | SELL | 2026-06-26 | $2.2M | — | Filing → |
| INSM | SELL | 2026-06-10 | $613K | — | Filing → |
| INSM | SELL | 2026-06-05 | $778K | — | Filing → |