Sara Bonstein, Chief Financial Officer at INSMED Inc (INSM), sold 8,272 shares at $116.18 ($961K) on 2026-05-13, disclosed to the SEC on 2026-05-15.
Seasonal sale ($961k) by Chief Financial Officer — this insider has traded INSM in May in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| INSM | SELL | 2026-01-08 | $809K | — | Filing → |
| INSM | SELL | 2025-07-23 | $12.0M | — | Filing → |
| INSM | SELL | 2025-07-09 | $11.1M | — | Filing → |