SUMER JACQUELYN L (CIK 1844824) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-02). Recent activity: Buy CGEM (2,470 shares), Sell CGEM (3,601 shares), Sell CGEM (3,742 shares), Sell CGEM (3,480 shares), Sell CGEM (3,756 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | Cullinan Therapeutics, Inc. (CGEM) | Chief Legal Officer | Buy | 2,470 | $21,242 |
| 2026-02-25 | Cullinan Therapeutics, Inc. (CGEM) | Chief Legal Officer | Sell | 3,601 | $52,106 |
| 2026-02-23 | Cullinan Therapeutics, Inc. (CGEM) | Chief Legal Officer | Sell | 3,742 | $50,966 |
| 2025-12-19 | Cullinan Therapeutics, Inc. (CGEM) | Chief Legal Officer | Sell | 3,480 | $33,652 |
| 2025-02-27 | Cullinan Therapeutics, Inc. (CGEM) | Chief Legal Officer | Sell | 3,756 | $32,039 |
| 2025-02-21 | Cullinan Therapeutics, Inc. (CGEM) | Chief Legal Officer | Buy | 50,000 | $0 |
Source: SEC Form 4 filings · as of 2026-07-02