7 insiders reported 53 Form 4 transactions for Cullinan Therapeutics, Inc. (CGEM) over the past 18 months (most recent 2026-08-14). Recent activity: Michaelson Jennifer (Chief Scientific Officer) Buy 30,000 shares, Michaelson Jennifer (Chief Scientific Officer) Sell 30,000 shares, Michaelson Jennifer (Chief Scientific Officer) Buy 4,000 shares, Michaelson Jennifer (Chief Scientific Officer) Sell 8,000 shares, Fenton Mary Kay (Chief Financial Officer) Buy 1,541 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-14 | Michaelson Jennifer | Chief Scientific Officer | Buy | 30,000 | $129,000 |
| 2026-08-14 | Michaelson Jennifer | Chief Scientific Officer | Sell | 30,000 | $607,800 |
| 2026-07-07 | Michaelson Jennifer | Chief Scientific Officer | Buy | 4,000 | $17,200 |
| 2026-07-07 | Michaelson Jennifer | Chief Scientific Officer | Sell | 8,000 | $142,560 |
| 2026-07-02 | Fenton Mary Kay | Chief Financial Officer | Buy | 1,541 | $13,253 |
| 2026-07-02 | SUMER JACQUELYN L | Chief Legal Officer | Buy | 2,470 | $21,242 |
| 2026-05-06 | Michaelson Jennifer | Chief Scientific Officer | Buy | 4,000 | $17,200 |
| 2026-05-06 | Michaelson Jennifer | Chief Scientific Officer | Sell | 7,800 | $113,880 |
| 2026-05-06 | Michaelson Jennifer | Chief Scientific Officer | Sell | 200 | $3,116 |
| 2026-03-09 | Michaelson Jennifer | Chief Scientific Officer | Buy | 4,000 | $17,200 |
| 2026-03-09 | Michaelson Jennifer | Chief Scientific Officer | Sell | 8,000 | $125,440 |
| 2026-02-26 | Michaelson Jennifer | Chief Scientific Officer | Sell | 1,780 | $25,169 |
| 2026-02-25 | AHMED NADIM | President and CEO | Sell | 13,515 | $195,562 |
| 2026-02-25 | Jones Jeffrey Alan | Chief Medical Officer | Sell | 4,582 | $66,302 |
| 2026-02-25 | SUMER JACQUELYN L | Chief Legal Officer | Sell | 3,601 | $52,106 |
| 2026-02-25 | Michaelson Jennifer | Chief Scientific Officer | Sell | 1,752 | $24,510 |
| 2026-02-25 | Michaelson Jennifer | Chief Scientific Officer | Sell | 3,601 | $52,106 |
| 2026-02-23 | SUMER JACQUELYN L | Chief Legal Officer | Sell | 3,742 | $50,966 |
| 2026-02-23 | Michaelson Jennifer | Chief Scientific Officer | Buy | 8,000 | $34,400 |
| 2026-02-23 | Michaelson Jennifer | Chief Scientific Officer | Sell | 8,000 | $114,400 |
| 2026-02-23 | Michaelson Jennifer | Chief Scientific Officer | Sell | 3,742 | $50,966 |
| 2026-02-23 | Fenton Mary Kay | Chief Financial Officer | Sell | 4,398 | $59,901 |
| 2026-02-23 | AHMED NADIM | President and CEO | Sell | 16,381 | $223,109 |
| 2026-02-23 | Jones Jeffrey Alan | Chief Medical Officer | Sell | 4,982 | $67,855 |
| 2026-02-19 | Fenton Mary Kay | Chief Financial Officer | Buy | 68,750 | $0 |
Source: SEC Form 4 filings · as of 2026-08-14