8 insiders reported 58 Form 4 transactions for Cullinan Therapeutics, Inc. (CGEM) over the past 18 months (most recent 2026-07-07). Recent activity: 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, SUMER JACQUELYN L (Chief Legal Officer) Buy 2,470 shares, Michaelson Jennifer (Chief Scientific Officer) Buy 4,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 |
| 2026-03-09 | 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 | Michaelson Jennifer | Chief Scientific 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 | SUMER JACQUELYN L | Chief Legal 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 |
| 2026-02-19 | Michaelson Jennifer | Chief Scientific Officer | Buy | 57,500 | $0 |
| 2026-02-13 | Michaelson Jennifer | Chief Scientific Officer | Sell | 416 | $5,004 |
| 2026-01-23 | Michaelson Jennifer | Chief Scientific Officer | Sell | 4,000 | $49,200 |
| 2026-01-05 | Fenton Mary Kay | Chief Financial Officer | Buy | 27 | $175 |
| 2025-12-29 | AHMED NADIM | President and CEO | Sell | 9,922 | $99,319 |
Source: SEC Form 4 filings · as of 2026-07-07