David Kirn sold $811K of 4D Molecular Therapeutics, Inc. (FDMT) stock

David Kirn sold 58,333 shares of FDMT stock worth $811K, per an SEC Form 4 filed Sep 16, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Sep 14, 2026, 2 days before it was made public.

FDMT has moved +10.8% since the trade date, from $13.76 to $15.24 (Sep 21, 2026 close).