Jennifer Michaelson sold $173K of Cullinan Therapeutics, Inc. (CGEM) stock

Jennifer Michaelson, Chief Scientific Officer of Cullinan Therapeutics, Inc. (CGEM), sold 8,000 shares of CGEM stock worth $173K, per an SEC Form 4 filed Sep 10, 2026.

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

The trade happened on Sep 8, 2026, 2 days before it was made public.

CGEM has moved -1.6% since the trade date, from $21.69 to $21.35 (Sep 21, 2026 close).