AlphaYouJM
Insider selling
Jennifer Michaelson sold $608K of Cullinan Therapeutics, Inc. (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 +8.7% since the trade date, from $19.64 to $21.35 (Sep 21, 2026 close).
- Traded
- Aug 13, 2026
- Disclosed
- Aug 14, 2026
- Filing delay
- 1 day
- Price since
- +8.7%
- Role
- Chief Scientific Officer
- Source
- SEC Form 4
More CGEM insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.