Jennifer Michaelson sold $608K of CGEM stock

Jennifer Michaelson, Chief Scientific Officer of Cullinan Therapeutics, Inc. (CGEM), sold 30,000 shares of CGEM stock worth $608K, per an SEC Form 4 filed Aug 14, 2026.

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

The trade happened on Aug 13, 2026, 1 day before it was made public.

CGEM has moved -40.3% since the trade date, from $19.64 to $11.73 (Nov 9, 2026 close).