Cullinan Therapeutics, Inc. (CGEM) has 99 open-market insider trades by 21 insiders since 2021. The most active filer is Jennifer Michaelson, CSO.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| BVF Inc/il | 10% Owner | — | 1 | $20.1M | 2022-05-13 |
| Lynx1 Capital Management LP | 10% Owner | — | 2 | $18.5M | 2025-10-17 |
| Ansbert Gadicke | Dir10% Owner | — | 9 | $14.8M | 2021-12-21 |
| Biotechnology VALUE FUND L P | 10% Owner | — | 1 | $8.3M | 2022-06-01 |
| BVF II GP LLC | 10% Owner | — | 1 | $5.9M | 2023-01-19 |
| Vision Scs F2 | 10% Owner | — | 1 | $5.6M | 2022-05-16 |
| F2 MG Ltd | Dir10% Owner | — | 1 | $4.2M | 2021-01-12 |
| Leigh Zawel | — | — | 5 | $3.0M | 2022-02-11 |
| Weston Nichols | 10% Owner | — | 1 | $2.8M | 2025-10-28 |
| F2 Bioscience I 2017 Ltd | 10% Owner | — | 1 | $2.2M | 2022-06-23 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Jennifer Michaelson | CSO | Sell | $173K | 2026-09-08 |
| Jennifer Michaelson | CSO | Sell | $608K | 2026-08-13 |
| Jennifer Michaelson | CSO | Sell | $143K | 2026-07-06 |
| Jennifer Michaelson | CSO | Sell | $117K | 2026-05-05 |
| Jennifer Michaelson | CSO | Sell | $125K | 2026-03-05 |
| Jennifer Michaelson | Chief Scientific Officer | Sell | $25K |
Companies that share insiders with CGEM, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2026-02-25 |
| Jacquelyn L. Sumer | CLO | Sell | $52K | 2026-02-24 |
| Nadim Ahmed | President | Sell | $196K | 2026-02-24 |
| Jeffrey Alan Jones | Chief Medical Officer | Sell | $66K | 2026-02-24 |
| Jennifer Michaelson | Chief Scientific Officer | Sell | $77K | 2026-02-23 |
| Jennifer Michaelson | CSO | Sell | $165K | 2026-02-20 |
| Mary Kay Fenton | CFO | Sell | $60K | 2026-02-20 |
| Jacquelyn L. Sumer | CLO | Sell | $51K | 2026-02-20 |
| Jeffrey Alan Jones | Chief Medical Officer | Sell | $68K | 2026-02-20 |
| Nadim Ahmed | President | Sell | $223K | 2026-02-20 |