Michael Alexander Smith, Chief Legal Officer at INSMED Inc (INSM), sold 4,109 shares at $116.18 ($477K) on 2026-05-13, disclosed to the SEC on 2026-05-15.
Seasonal sale ($477k) by Chief Legal Officer — this insider has traded INSM in May in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| INSM | SELL | 2026-05-22 | $667K | — | Filing → |
| INSM | SELL | 2026-03-31 | $3.0M | — | Filing → |
| INSM | SELL | 2026-02-25 | $3.9M | — | Filing → |