Jennifer Michaelson, Chief Scientific Officer at Cullinan Therapeutics, sold CGEM on Aug 13, 2026
Data as of Oct 27
▼ SELL$608K30,000 shares at $20.26Jennifer Michaelson Chief Scientific OfficerCGEM Cullinan Therapeutics, Inc.
- Traded
- Aug 13, 2026
- Disclosed
- Aug 14, 2026
- Filed
- 1 day after the trade
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
CGEM since disclosure
−27.0%
after the sale
Similar stocks (XLV) since disclosure
+7.1%
XLV — its sector index fund
Change in closing price from Aug 14, 2026 (the first trading day on or after disclosure) to Oct 27, 2026. Dividends excluded. Not a return anyone earned.
Our take
None of our tested rules fired on this trade.