William Lewis, Chair and CEO at INSMED Inc (INSM), sold 10,699 shares at $156.80 ($1.7M) on 2026-01-20, disclosed to the SEC on 2026-01-22.
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 | $156.80 | 1,006 | $158K | 9.3% |
| 2 | $158.37 | 1,243 | $197K | 11.6% |
| 3 | $158.99 | 5,967 | $949K | 55.8% |
| 4 | $159.85 | 2,229 | $356K | 21.0% |
| 5 | $160.70 | 254 | $41K | 2.4% |
| Total | $158.93 avg | 10,699 |
| $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 → |