AlphaYouDK
Insider selling
Douglas Kerr sold $116K of Dyne Therapeutics, Inc. (DYN) stock
Douglas Kerr, Chief Medical Officer of Dyne Therapeutics, Inc. (DYN), sold 5,035 shares of DYN stock worth $116K, per an SEC Form 4 filed Sep 8, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Sep 4, 2026, 4 days before it was made public.
DYN has moved -29.5% since the trade date, from $24.28 to $17.12 (Sep 21, 2026 close).
- Traded
- Sep 4, 2026
- Disclosed
- Sep 8, 2026
- Filing delay
- 4 days
- Price since
- -29.5%
- Role
- Chief Medical Officer
- Source
- SEC Form 4
More DYN insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.