CGEM's three largest insider shareholders as of April 28, 2026 are Capital Management Lp Lynx1 (TenPercentOwner, 8.96Mn shares), Capital Management Lp Lynx1 (TenPercentOwner, 8.80Mn shares), Capital Management Lp Lynx1 (TenPercentOwner, 8.56Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Capital Management Lp Lynx1 | - | 0 | 8,963,500 | 30 Oct, 2025 |
| Capital Management Lp Lynx1 | - | 0 | 8,797,833 | 21 Oct, 2025 |
| Capital Management Lp Lynx1 | - | 0 | 8,564,116 | 21 Oct, 2025 |
| Oncology Impact Fund L.P. Ubs | - | 7,805,483 | 0 | 25 Aug, 2021 |
| Oncology Impact Fund L.P. Ubs | - | 7,648,268 | 0 | 20 Sep, 2021 |
| Vision Scs F2 | - | 1,255,963 | 0 | 04 Aug, 2022 |
| Bioscience I 2017 Ltd F2 | - | 537,392 | 0 | 23 Jun, 2022 |
| Nadim Ahmed | President And Ceo | 390,803 | 0 | 25 Feb, 2026 |
| Corrine Savill | Chief Business Officer | 240,990 | 0 | 21 Feb, 2025 |
| Morana Jovan-Embiricos | - | 207,803 | 0 | 28 Jun, 2022 |
| Thomas Ebeling | - | 186,653 | 0 | 11 Jun, 2024 |
| Jennifer Michaelson | Chief Scientific Officer | 170,844 | 0 | 09 Mar, 2026 |
| Jeffrey Alan Jones | Chief Medical Officer | 159,968 | 0 | 25 Feb, 2026 |
| Jacquelyn L Sumer | Chief Legal Officer | 128,089 | 0 | 25 Feb, 2026 |
| Mary Kay Fenton | Chief Financial Officer | 126,380 | 0 | 23 Feb, 2026 |
| Patrick Baeuerle | Chief Scientific Officer | 76,000 | 0 | 21 Feb, 2023 |
| Leigh Zawel | - | 69,785 | 0 | 15 Feb, 2022 |
| Partners L P/Il Bvf | - | 64,161 | 0 | 19 Jan, 2023 |
| Partners L P/Il Bvf | - | 64,161 | 0 | 19 Jan, 2023 |
| Partners L P/Il Bvf | - | 64,161 | 0 | 19 Jan, 2023 |
| Partners L P/Il Bvf | - | 64,161 | 0 | 19 Jan, 2023 |
| Partners L P/Il Bvf | - | 64,161 | 0 | 19 Jan, 2023 |
| Partners L P/Il Bvf | - | 64,161 | 0 | 19 Jan, 2023 |
| Partners L P/Il Bvf | - | 64,161 | 0 | 19 Jan, 2023 |
| Raymond T Keane | Chief Legal Officer | 24,124 | 0 | 15 Feb, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 05 Mar, 2026 | Jennifer Michaelson | Common Stock | A | 4,000 | $4.30 | 178,844 | D | M |
| 05 Mar, 2026 | Jennifer Michaelson | Common Stock | D | 8,000 | $15.68 | 170,844 | D | S |
| 05 Mar, 2026 | Jennifer Michaelson | Stock Option (Right to Buy) | D | 4,000 | $0.00 | 120,987 | D | M |
| 25 Feb, 2026 | Jennifer Michaelson | Common Stock | D | 1,780 | $14.14 | 174,844 | D | S |
| 23 Feb, 2026 | Jennifer Michaelson | Common Stock | D | 1,752 | $13.99 | 180,225 | D | S |
| 24 Feb, 2026 | Jeffrey Alan Jones | Common Stock | D | 4,582 | $14.47 | 159,968 | D | S |
| 24 Feb, 2026 | Nadim Ahmed | Common Stock | D | 13,515 | $14.47 | 390,803 | D | S |
| 24 Feb, 2026 | Jacquelyn L Sumer | Common Stock | D | 3,601 | $14.47 | 128,089 | D | S |
| 24 Feb, 2026 | Jennifer Michaelson | Common Stock | D | 3,601 | $14.47 | 176,624 | D | S |
| 20 Feb, 2026 | Mary Kay Fenton | Common Stock | D | 4,398 | $13.62 | 126,380 | D | S |
| 20 Feb, 2026 | Jennifer Michaelson | Common Stock | D | 3,742 | $13.62 | 181,977 | D | S |
| 20 Feb, 2026 | Nadim Ahmed | Common Stock | D | 16,381 | $13.62 | 404,318 | D | S |
| 20 Feb, 2026 | Jacquelyn L Sumer | Common Stock | D | 3,742 | $13.62 | 131,690 | D | S |
| 20 Feb, 2026 | Jeffrey Alan Jones | Common Stock | D | 4,982 | $13.62 | 164,550 | D | S |
| 20 Feb, 2026 | Jennifer Michaelson | Common Stock | A | 8,000 | $4.30 | 189,977 | D | M |
| 20 Feb, 2026 | Jennifer Michaelson | Common Stock | D | 8,000 | $14.30 | 181,977 | D | S |
| 20 Feb, 2026 | Jennifer Michaelson | Stock Option (Right to Buy) | D | 8,000 | $0.00 | 124,987 | D | M |
| 18 Feb, 2026 | Jacquelyn L Sumer | Stock Option (Right to Buy) | A | 230,000 | $0.00 | 230,000 | D | A |
| 18 Feb, 2026 | Jeffrey Alan Jones | Stock Option (Right to Buy) | A | 300,000 | $0.00 | 300,000 | D | A |
| 18 Feb, 2026 | Corrine Savill | Stock Option (Right to Buy) | A | 175,000 | $0.00 | 175,000 | D | A |