As of May 04, 2026, the three largest insider holders of CBIO are Public Equities, L.P. Invus (TenPercentOwner, 6.32Mn shares), Public Equities, L.P. Invus (TenPercentOwner, 6.32Mn shares), Public Equities, L.P. Invus (TenPercentOwner, 6.32Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Public Equities, L.P. Invus | - | 6,317,565 | 0 | 09 Aug, 2024 |
| Public Equities, L.P. Invus | - | 6,317,565 | 0 | 09 Aug, 2024 |
| Public Equities, L.P. Invus | - | 6,317,565 | 0 | 09 Aug, 2024 |
| Public Equities, L.P. Invus | - | 6,317,565 | 0 | 09 Aug, 2024 |
| Edwin Rock | Chief Medical Officer | 680,403 | 0 | 24 Jun, 2024 |
| John L. Magnani | Svp Of Research, Cso | 366,078 | 0 | 14 Nov, 2022 |
| Joshua T Brumm | Chief Executive Officer | 323,517 | 0 | 17 Dec, 2025 |
| Jonathan Mcneill | President And Coo | 159,707 | 0 | 17 Dec, 2025 |
| Bruce S Johnson | Svp Chief Commercial Officer | 138,980 | 0 | 09 May, 2023 |
| Daniel M Junius | - | 98,459 | 0 | 01 Apr, 2024 |
| Brian M. Hahn | Svp Finance, Cfo | 70,643 | 0 | 20 Jun, 2024 |
| Partners L P/Il Bvf | - | 62,383 | 0 | 17 Jun, 2025 |
| Partners L P/Il Bvf | - | 62,383 | 0 | 17 Jun, 2025 |
| Partners L P/Il Bvf | - | 62,383 | 0 | 17 Jun, 2025 |
| Partners L P/Il Bvf | - | 62,383 | 0 | 17 Jun, 2025 |
| Partners L P/Il Bvf | - | 62,383 | 0 | 17 Jun, 2025 |
| Partners L P/Il Bvf | - | 62,383 | 0 | 17 Jun, 2025 |
| Partners L P/Il Bvf | - | 62,383 | 0 | 17 Jun, 2025 |
| Christopher Grant Doughty | Chief Business Officer | 62,194 | 0 | 17 Dec, 2025 |
| Patricia S Andrews | - | 58,608 | 0 | 02 Jan, 2024 |
| Patricia S Andrews | - | 45,250 | 0 | 18 Nov, 2021 |
| Scott Koenig | - | 36,750 | 0 | 02 Jun, 2023 |
| Armand Girard | Svp, Chief Business Officer | 29,161 | 0 | 14 Nov, 2022 |
| Harout Semerjian | Chief Executive Officer | 25,000 | 0 | 14 Nov, 2022 |
| Mark Alan Goldberg | - | 24,828 | 0 | 01 Apr, 2024 |
| Timothy R Pearson | - | 24,650 | 0 | 14 Nov, 2022 |
| Jan Pinkas | Chief Scientific Officer | 22,507 | 0 | 17 Dec, 2025 |
| Ellie Eunkyung Im | Chief Medical Officer | 21,298 | 0 | 17 Dec, 2025 |
| Mark Alan Goldberg | - | 20,244 | 0 | 02 Jan, 2024 |
| Richard William Scalzo | Chief Financial Officer | 19,422 | 0 | 17 Dec, 2025 |
| Barbara Harlin Bispham | - | 18,422 | 0 | 17 Dec, 2025 |
| Ryan Lynch | - | 12,378 | 0 | 17 Dec, 2025 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 15 Dec, 2025 | Richard William Scalzo | Ordinary Shares | A | 14,422 | - | 14,422 | D | A |
| 15 Dec, 2025 | Joshua T Brumm | Ordinary Shares | A | 45,117 | - | 313,517 | D | A |
| 15 Dec, 2025 | Christopher Grant Doughty | Ordinary Shares | A | 14,714 | - | 54,194 | D | A |
| 15 Dec, 2025 | Ryan Lynch | Ordinary Shares | A | 8,378 | - | 8,378 | D | A |
| 15 Dec, 2025 | Ellie Eunkyung Im | Ordinary Shares | A | 16,298 | - | 16,298 | D | A |
| 15 Dec, 2025 | Barbara Harlin Bispham | Ordinary Shares | A | 12,422 | - | 12,422 | D | A |
| 15 Dec, 2025 | Jonathan Mcneill | Ordinary Shares | A | 19,507 | - | 153,707 | D | A |
| 15 Dec, 2025 | Jan Pinkas | Ordinary Shares | A | 17,507 | - | 17,507 | D | A |
| 15 Dec, 2025 | Richard William Scalzo | Ordinary Shares | A | 5,000 | - | 19,422 | D | A |
| 15 Dec, 2025 | Ryan Lynch | Ordinary Shares | A | 4,000 | - | 12,378 | D | A |
| 15 Dec, 2025 | Jan Pinkas | Ordinary Shares | A | 5,000 | - | 22,507 | D | A |
| 15 Dec, 2025 | Joshua T Brumm | Ordinary Shares | A | 10,000 | - | 323,517 | D | A |
| 15 Dec, 2025 | Ellie Eunkyung Im | Ordinary Shares | A | 5,000 | - | 21,298 | D | A |
| 15 Dec, 2025 | Barbara Harlin Bispham | Ordinary Shares | A | 6,000 | - | 18,422 | D | A |
| 15 Dec, 2025 | Jonathan Mcneill | Ordinary Shares | A | 6,000 | - | 159,707 | D | A |
| 15 Dec, 2025 | Christopher Grant Doughty | Ordinary Shares | A | 8,000 | - | 62,194 | D | A |
| 15 Dec, 2025 | Richard William Scalzo | Stock Option (Right to Buy) | A | 57,688 | $0.00 | 57,688 | D | A |
| 15 Dec, 2025 | Jan Pinkas | Stock Option (Right to Buy) | A | 70,025 | $0.00 | 70,025 | D | A |
| 15 Dec, 2025 | Jonathan Mcneill | Stock Option (Right to Buy) | A | 78,029 | $0.00 | 78,029 | D | A |
| 15 Dec, 2025 | Christopher Grant Doughty | Stock Option (Right to Buy) | A | 58,855 | $0.00 | 58,855 | D | A |