CGEM Insider Trading Activity and SEC Form 4 Filings
CGEM insider trading summary
Over the past 12 months, insiders at Cullinan Therapeutics, Inc. (CGEM) reported 25 sales worth $2.3M by 5 insiders and no open-market purchases on SEC Form 4. Net insider selling was $2.3M.
Latest CGEM insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Nov 5, 2026 | Jennifer Michaelson | Chief Scientific Officer | Sell | $49K (4,000 @ $12.36) |
| Aug 13, 2026 | Jennifer Michaelson | Chief Scientific Officer | Sell | $608K (30,000 @ $20.26) |
| Jul 6, 2026 | Jennifer Michaelson | Chief Scientific Officer | Sell | $143K (8,000 @ $17.82) |
| May 5, 2026 | Jennifer Michaelson | Chief Scientific Officer | Sell | $3K (200 @ $15.58) |
| May 5, 2026 | Jennifer Michaelson | Chief Scientific Officer | Sell | $114K (7,800 @ $14.60) |
| Mar 5, 2026 | Jennifer Michaelson | Chief Scientific Officer | Sell | $125K (8,000 @ $15.68) |
| Feb 24, 2026 | Jeffrey Alan Jones | Chief Medical Officer | Sell | $66K (4,582 @ $14.47) |
| Feb 24, 2026 | Nadim Ahmed | President and CEO | Sell | $196K (13,515 @ $14.47) |
| Feb 24, 2026 | Jennifer Michaelson | Chief Scientific Officer | Sell | $52K (3,601 @ $14.47) |
| Feb 24, 2026 | Jacquelyn L Sumer | Chief Legal Officer | Sell | $52K (3,601 @ $14.47) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.