Sara Bonstein, Chief Financial Officer at INSMED Inc (INSM), sold 748 shares at $156.34 ($117K) on 2026-02-03, disclosed to the SEC on 2026-02-04.
Open-market sale of $117k INSM by Chief Financial Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| Filing → |
| INSM | SELL | 2026-01-08 | $809K | — | Filing → |
| INSM | SELL | 2025-07-23 | $12.0M | — | Filing → |
| INSM | SELL | 2025-07-09 | $11.1M | — | Filing → |