Insiders / Sumer Jacquelyn L
Sumer Jacquelyn L
CIK 1844824personinsider
Companies
1
First seen
Feb 19, 2026
Last activity
Feb 25, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Cullinan Therapeutics, Inc. · CGEM | 128,089 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Cullinan Therapeutics, Inc. | Common Stock | 128,089 |
| Cullinan Therapeutics, Inc. | Stock Option (Right to Buy)Derivative | 230,000 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 24, 2026 | Sell | CGEM Cullinan Therapeutics, Inc. Common Stock | $52.1K | -4K -2.73% | 128,089 0.20% of shares | low |
| Feb 20, 2026 | Sell | CGEM Cullinan Therapeutics, Inc. Common Stock | $51.0K | -4K -2.76% | 131,690 0.20% of shares | low |
| Feb 18, 2026 | Grant | CGEM Cullinan Therapeutics, Inc. Stock Option (Right to Buy) | — | +230K | 230,000 0.36% of shares | low |