CGEM Insider Transactions
386 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
CGEM insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Michaelson Jennifer | Chief Scientific Officer | 2026-08-13 | Sale | 30,000 | $20.26 |
| Michaelson Jennifer | Chief Scientific Officer | 2026-07-06 | Sale | 8,000 | $17.82 |
| Michaelson Jennifer | Chief Scientific Officer | 2026-05-05 | Sale | 200.0 | $15.58 |
| Michaelson Jennifer | Chief Scientific Officer | 2026-05-05 | Sale | 7,800.0 | $14.6 |
| Michaelson Jennifer | Chief Scientific Officer | 2026-03-05 | Sale | 8,000.0 | $15.68 |
| Michaelson Jennifer | Chief Scientific Officer | 2026-02-25 | Sale | 1,780.0 | $14.14 |
| Michaelson Jennifer | Chief Scientific Officer | 2026-02-24 | Sale | 3,601.0 | $14.47 |
| AHMED NADIM | President and CEO | 2026-02-24 | Sale | 13,515.0 | $14.47 |
| Jones Jeffrey Alan | Chief Medical Officer | 2026-02-24 | Sale | 4,582.0 | $14.47 |
| SUMER JACQUELYN L | Chief Legal Officer | 2026-02-24 | Sale | 3,601.0 | $14.47 |
| Michaelson Jennifer | Chief Scientific Officer | 2026-02-23 | Sale | 1,752.0 | $13.99 |
| Fenton Mary Kay | Chief Financial Officer | 2026-02-20 | Sale | 4,398.0 | $13.62 |
| Jones Jeffrey Alan | Chief Medical Officer | 2026-02-20 | Sale | 4,982.0 | $13.62 |
| Michaelson Jennifer | Chief Scientific Officer | 2026-02-20 | Sale | 8,000.0 | $14.3 |
| Michaelson Jennifer | Chief Scientific Officer | 2026-02-20 | Sale | 3,742.0 | $13.62 |
| SUMER JACQUELYN L | Chief Legal Officer | 2026-02-20 | Sale | 3,742.0 | $13.62 |
| AHMED NADIM | President and CEO | 2026-02-20 | Sale | 16,381.0 | $13.62 |
| Michaelson Jennifer | Chief Scientific Officer | 2026-02-12 | Sale | 416.0 | $12.03 |
| Michaelson Jennifer | Chief Scientific Officer | 2026-01-22 | Sale | 4,000.0 | $12.3 |
| AHMED NADIM | President and CEO | 2025-12-23 | Sale | 9,922.0 | $10.01 |
| Michaelson Jennifer | Chief Scientific Officer | 2025-12-19 | Sale | 1,345.0 | $10.01 |
| SUMER JACQUELYN L | Chief Legal Officer | 2025-12-18 | Sale | 3,480.0 | $9.67 |
| Jones Jeffrey Alan | Chief Medical Officer | 2025-12-18 | Sale | 4,632.0 | $9.67 |
| Michaelson Jennifer | Chief Scientific Officer | 2025-12-18 | Sale | 2,898.0 | $9.67 |
| Michaelson Jennifer | Chief Scientific Officer | 2025-12-15 | Sale | 995.0 | $11.9 |
| Michaelson Jennifer | Chief Scientific Officer | 2025-12-12 | Sale | 2,148.0 | $12.38 |
| Michaelson Jennifer | Chief Scientific Officer | 2025-11-24 | Sale | 4,000.0 | $12.3 |
| Nichols Weston | TenPercentOwner | 2025-10-28 | Purchase | 165,667.0 | $8.4 |
| Lynx1 Capital Management LP | TenPercentOwner | 2025-10-28 | Purchase | 165,667.0 | $8.4 |
| Nichols Weston | TenPercentOwner | 2025-10-17 | Purchase | 32,217.0 | $7.84 |
| Lynx1 Capital Management LP | TenPercentOwner | 2025-10-17 | Purchase | 32,217.0 | $7.84 |
| Nichols Weston | TenPercentOwner | 2025-10-16 | Purchase | 150,000.0 | $8.86 |
| Lynx1 Capital Management LP | TenPercentOwner | 2025-10-16 | Purchase | 150,000.0 | $8.86 |
| Nichols Weston | TenPercentOwner | 2025-10-15 | Purchase | 51,500.0 | $7.94 |
| Lynx1 Capital Management LP | TenPercentOwner | 2025-10-15 | Purchase | 51,500.0 | $7.94 |
| Nichols Weston | TenPercentOwner | 2025-10-14 | Purchase | 15,032.0 | $7.59 |
| Lynx1 Capital Management LP | TenPercentOwner | 2025-10-14 | Purchase | 15,032.0 | $7.59 |
| Nichols Weston | TenPercentOwner | 2025-10-10 | Purchase | 277,298.0 | $7.36 |
| Lynx1 Capital Management LP | TenPercentOwner | 2025-10-10 | Purchase | 277,298.0 | $7.36 |
| Nichols Weston | TenPercentOwner | 2025-10-09 | Purchase | 626,043.0 | $6.7 |
| Lynx1 Capital Management LP | TenPercentOwner | 2025-10-09 | Purchase | 626,043.0 | $6.7 |
| Nichols Weston | TenPercentOwner | 2025-10-08 | Purchase | 556,300.0 | $6.46 |
| Lynx1 Capital Management LP | TenPercentOwner | 2025-10-08 | Purchase | 556,300.0 | $6.46 |
| Jones Jeffrey Alan | Chief Medical Officer | 2025-02-25 | Sale | 4,895.0 | $8.53 |
| Michaelson Jennifer | Chief Scientific Officer | 2025-02-25 | Sale | 3,756.0 | $8.53 |
| AHMED NADIM | President and CEO | 2025-02-25 | Sale | 12,529.0 | $8.53 |
| SUMER JACQUELYN L | Chief Legal Officer | 2025-02-25 | Sale | 3,756.0 | $8.53 |
| Michaelson Jennifer | Chief Scientific Officer | 2025-01-06 | Sale | 4,000.0 | $12.51 |
| AHMED NADIM | President and CEO | 2024-12-24 | Sale | 8,400.0 | $11.87 |
| Michaelson Jennifer | Chief Scientific Officer | 2024-12-18 | Sale | 4,693.0 | $11.41 |
| Jones Jeffrey Alan | Chief Medical Officer | 2024-12-18 | Sale | 4,632.0 | $11.41 |
| SUMER JACQUELYN L | Chief Legal Officer | 2024-12-18 | Sale | 3,482.0 | $11.41 |
| Michaelson Jennifer | Chief Scientific Officer | 2024-12-12 | Sale | 3,489.0 | $12.52 |
| Michaelson Jennifer | Chief Scientific Officer | 2024-11-05 | Sale | 8,000.0 | $15.64 |
| Michaelson Jennifer | Chief Scientific Officer | 2024-09-05 | Sale | 8,000.0 | $18.09 |
| Michaelson Jennifer | Chief Scientific Officer | 2024-07-05 | Sale | 8,000.0 | $16.33 |
| Michaelson Jennifer | Chief Scientific Officer | 2024-05-07 | Sale | 5,606.0 | $30.06 |
| Michaelson Jennifer | Chief Scientific Officer | 2024-05-06 | Sale | 20,277.0 | $28.54 |
| Michaelson Jennifer | Chief Scientific Officer | 2024-05-06 | Sale | 37,723.0 | $27.82 |
| Savill Corrine | Chief Business Officer | 2024-02-01 | Sale | 40,000.0 | $16.18 |
| Savill Corrine | Chief Business Officer | 2024-01-29 | Sale | 40,000.0 | $14.09 |
| Savill Corrine | Chief Business Officer | 2024-01-23 | Sale | 21,316.0 | $12.46 |
| Savill Corrine | Chief Business Officer | 2024-01-22 | Sale | 4,125.0 | $12.02 |
| Savill Corrine | Chief Business Officer | 2024-01-22 | Sale | 14,559.0 | $12.18 |
| AHMED NADIM | President and CEO | 2023-12-26 | Sale | 4,272.0 | $9.24 |
| Jones Jeffrey Alan | Chief Medical Officer | 2023-12-21 | Sale | 1,860.0 | $8.5 |
| SUMER JACQUELYN L | Chief Legal Officer | 2023-12-21 | Sale | 1,400.0 | $8.5 |
| Trigilio Jeffrey | Chief Financial Officer | 2023-12-21 | Sale | 1,920.0 | $8.5 |
| Michaelson Jennifer | Chief Scientific Officer | 2023-12-21 | Sale | 1,145.0 | $8.5 |
| Michaelson Jennifer | Chief Scientific Officer | 2023-12-18 | Sale | 238.0 | $8.22 |
| Jones Jeffrey Alan | Chief Medical Officer | 2023-12-18 | Sale | 386.0 | $8.22 |
| SUMER JACQUELYN L | Chief Legal Officer | 2023-12-18 | Sale | 290.0 | $8.22 |
| Trigilio Jeffrey | Chief Financial Officer | 2023-12-18 | Sale | 398.0 | $8.22 |
| Trigilio Jeffrey | Chief Financial Officer | 2023-12-12 | Sale | 1,926.0 | $7.81 |
| Michaelson Jennifer | Chief Scientific Officer | 2023-12-12 | Sale | 1,068.0 | $7.81 |
| AHMED NADIM | President and CEO | 2023-06-28 | Sale | 759.0 | $11.4 |
| Jones Jeffrey Alan | Chief Medical Officer | 2023-06-20 | Sale | 387.0 | $12.94 |
| Michaelson Jennifer | Chief Development Officer | 2023-06-20 | Sale | 238.0 | $12.94 |
| Trigilio Jeffrey | Chief Financial Officer | 2023-06-20 | Sale | 399.0 | $12.94 |
| SUMER JACQUELYN L | Chief Legal Officer | 2023-06-20 | Sale | 291.0 | $12.94 |
| Trigilio Jeffrey | Chief Financial Officer | 2023-06-12 | Sale | 319.0 | $13.11 |
| Michaelson Jennifer | Chief Development Officer | 2023-06-12 | Sale | 176.0 | $13.11 |
| Michaelson Jennifer | Chief Development Officer | 2023-06-07 | Sale | 100.0 | $12.4 |
| Michaelson Jennifer | Chief Development Officer | 2023-06-06 | Sale | 11,900.0 | $12.31 |
| AHMED NADIM | President and CEO | 2023-05-23 | Sale | 707.0 | $9.15 |
| Michaelson Jennifer | Chief Development Officer | 2023-05-18 | Sale | 239.0 | $8.76 |
| Jones Jeffrey Alan | Chief Medical Officer | 2023-05-18 | Sale | 394.0 | $8.76 |
| SUMER JACQUELYN L | Chief Legal Officer | 2023-05-18 | Sale | 291.0 | $8.76 |
| Trigilio Jeffrey | Chief Financial Officer | 2023-05-18 | Sale | 399.0 | $8.76 |
| Michaelson Jennifer | Chief Development Officer | 2023-05-12 | Sale | 193.0 | $8.78 |
| Trigilio Jeffrey | Chief Financial Officer | 2023-05-12 | Sale | 347.0 | $8.78 |
| AHMED NADIM | President and CEO | 2023-04-25 | Sale | 716.0 | $10.59 |
| Jones Jeffrey Alan | Chief Medical Officer | 2023-04-18 | Sale | 392.0 | $10.71 |
| Trigilio Jeffrey | Chief Financial Officer | 2023-04-18 | Sale | 398.0 | $10.71 |
| Michaelson Jennifer | Chief Development Officer | 2023-04-18 | Sale | 238.0 | $10.71 |
| SUMER JACQUELYN L | Chief Legal Officer | 2023-04-18 | Sale | 290.0 | $10.71 |
| Trigilio Jeffrey | Chief Financial Officer | 2023-04-12 | Sale | 318.0 | $10.22 |
| Michaelson Jennifer | Chief Development Officer | 2023-04-12 | Sale | 176.0 | $10.22 |
| AHMED NADIM | President and CEO | 2023-03-23 | Sale | 706.0 | $10.51 |
| Trigilio Jeffrey | Chief Financial Officer | 2023-03-20 | Sale | 399.0 | $11.32 |