William Lewis, Chair and CEO at INSMED Inc (INSM), sold 19,215 shares at $167.73 ($3.2M) on 2026-01-12, disclosed to the SEC on 2026-01-13.
Seasonal sale ($3.2M) 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 | $167.73 | 3,974 | $667K | 20.5% |
| 2 | $168.63 | 7,176 | $1.2M | 37.3% |
| 3 | $169.57 | 6,996 | $1.2M | 36.5% |
| 4 | $170.24 | 160 | $27K | 0.8% |
| 5 | $171.31 | 297 | $51K | 1.6% |
| 6 | $172.36 | 297 |
| $51K |
| 1.6% |
| 7 | $174.86 | 315 | $55K | 1.7% |
| Total | $169.00 avg | 19,215 | $3.2M | 100% |
| Filing → |
| INSM | SELL | 2026-06-26 | $2.2M | — | Filing → |
| INSM | SELL | 2026-06-10 | $613K | — | Filing → |
| INSM | SELL | 2026-06-05 | $778K | — | Filing → |