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Insider selling
Orbimed Advisors Llc sold $2.5M of Sionna Therapeutics, Inc. (SION) stock
Orbimed Advisors Llc, Dir of Sionna Therapeutics, Inc. (SION), sold 55,345 shares of SION stock worth $2.5M, per an SEC Form 4 filed Apr 21, 2026.
It was an open-market sale.
The trade happened on Apr 17, 2026, 4 days before it was made public.
SION has moved -86.2% since the trade date, from $43.54 to $6.00 (Sep 21, 2026 close).
- Traded
- Apr 17, 2026
- Disclosed
- Apr 21, 2026
- Filing delay
- 4 days
- Price since
- -86.2%
- Role
- Dir
- Source
- SEC Form 4
More SION insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.