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Insider selling
William Lewis sold $778K of INSMED Inc (INSM) stock
William Lewis, Chair and CEO of INSMED Inc (INSM), sold 7,605 shares of INSM stock worth $778K, per an SEC Form 4 filed Jun 5, 2026.
It was an open-market sale.
The trade happened on Jun 3, 2026, 2 days before it was made public.
INSM has moved +16.5% since the trade date, from $103.86 to $121.00 (Sep 21, 2026 close).
- Traded
- Jun 3, 2026
- Disclosed
- Jun 5, 2026
- Filing delay
- 2 days
- Price since
- +16.5%
- Role
- Chair and CEO
- Source
- SEC Form 4
More INSM insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.