Sara Bonstein, Chief Financial Officer at INSMED Inc (INSM), sold 21,008 shares at $67.81 ($1.4M) on 2025-05-13, disclosed to the SEC on 2025-05-15.
Seasonal sale ($1.4M) 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $67.81 | 8,870 | $601K | 42.4% |
| 2 | $67.81 | 8,870 | $601K | 42.4% |
| 3 | $65.61 | 1,634 | $107K | 7.6% |
| 4 | $65.61 | 1,634 | $107K | 7.6% |
| Total | $67.47 avg | 21,008 | $1.4M | 100% |
| Filing → |
| INSM | SELL | 2026-02-04 | $117K | — | Filing → |
| INSM | SELL | 2026-01-08 | $809K | — | Filing → |
| INSM | SELL | 2025-07-23 | $12.0M | — | Filing → |