CNTA's three largest insider shareholders as of April 22, 2026 are David J Grainger (Chief Innovation Officer, 962.79K shares), Antoine Yver (Evp Chairman Of Development, 783.07K shares), Arjun Goyal (Director, 462.58K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| David J Grainger | Chief Innovation Officer | 962,790 | 0 | 02 Jan, 2024 |
| Antoine Yver | Evp Chairman Of Development | 783,066 | 0 | 02 Jun, 2023 |
| Arjun Goyal | - | 0 | 462,585 | 19 May, 2025 |
| Rubertis Francesco De | - | 0 | 281,162 | 23 Mar, 2022 |
| Ventures Management (Jersey) Ltd Medicxi | - | 0 | 281,162 | 23 Mar, 2022 |
| Mario Alberto Accardi | Chief Executive Officer | 243,886 | 0 | 03 Feb, 2026 |
| David M Chao | Chief Administrative Officer | 225,007 | 0 | 19 Mar, 2025 |
| Saurabh Saha | Chief Executive Officer | 221,017 | 0 | 21 Jul, 2025 |
| Thomas Templeman | Chief Technology Officer | 188,244 | 0 | 04 Apr, 2023 |
| Javad Shahidi | Chief Medical Officer | 158,932 | 0 | 04 Oct, 2022 |
| Tia L Bush | Chief Technology Quality Ofc | 147,954 | 0 | 03 Feb, 2026 |
| Stephen Kanes | Chief Medical Officer | 120,000 | 0 | 03 Feb, 2026 |
| Iqbal J Hussain | Chief Legal Officer | 117,645 | 0 | 03 Feb, 2026 |
| Gregory M Weinhoff | Chief Business Officer | 65,925 | 0 | 26 Mar, 2026 |
| Harris Rotman | Svp Regulatory Affairs | 62,625 | 0 | 02 Feb, 2024 |
| Karen M. Anderson | Chief People Officer | 62,085 | 0 | 27 Mar, 2026 |
| Aaron Kantoff | - | 60,000 | 0 | 18 Nov, 2021 |
| John J Crowley | Chief Financial Officer | 45,000 | 0 | 03 Feb, 2026 |
| Saurabh Saha | Chief Executive Officer | 0 | 38,000 | 27 Jun, 2022 |
| David J Grainger | Chief Innovation Officer | 0 | 27,500 | 01 Feb, 2022 |
| Raphael Deferiere | Chief Accounting Officer | 11,000 | 0 | 03 Feb, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 26 Mar, 2026 | Karen M. Anderson | Ordinary Shares | A | 41,076 | $8.01 | 103,161 | D | M |
| 26 Mar, 2026 | Karen M. Anderson | Ordinary Shares | D | 41,076 | $30.12 | 62,085 | D | S |
| 26 Mar, 2026 | Karen M. Anderson | Share Option (right to buy) | D | 41,076 | $0.00 | 83,924 | D | M |
| 26 Mar, 2026 | Gregory M Weinhoff | Ordinary Shares | A | 23,998 | $3.85 | 89,923 | D | M |
| 26 Mar, 2026 | Gregory M Weinhoff | Ordinary Shares | D | 23,998 | $30.00 | 65,925 | D | S |
| 26 Mar, 2026 | Gregory M Weinhoff | Share Option (right to buy) | D | 23,998 | $0.00 | 31,002 | D | M |
| 16 Mar, 2026 | Karen M. Anderson | Ordinary Shares | A | 64,768 | $4.01 | 126,853 | D | M |
| 16 Mar, 2026 | Karen M. Anderson | Ordinary Shares | D | 64,768 | $28.21 | 62,085 | D | S |
| 17 Mar, 2026 | Karen M. Anderson | Ordinary Shares | A | 10,043 | $4.01 | 72,128 | D | M |
| 17 Mar, 2026 | Karen M. Anderson | Ordinary Shares | D | 10,043 | $28.10 | 62,085 | D | S |
| 16 Mar, 2026 | Karen M. Anderson | Share Option (right to buy) | D | 64,768 | $0.00 | 85,043 | D | M |
| 17 Mar, 2026 | Karen M. Anderson | Share Option (right to buy) | D | 10,043 | $0.00 | 75,000 | D | M |
| 13 Mar, 2026 | Karen M. Anderson | Ordinary Shares | A | 94,224 | $4.01 | 166,940 | D | M |
| 13 Mar, 2026 | Karen M. Anderson | Ordinary Shares | A | 15,174 | $3.85 | 182,114 | D | M |
| 13 Mar, 2026 | Karen M. Anderson | Ordinary Shares | D | 107,961 | $26.15 | 74,153 | D | S |
| 13 Mar, 2026 | Karen M. Anderson | Ordinary Shares | D | 12,068 | $27.13 | 62,085 | D | S |
| 13 Mar, 2026 | Karen M. Anderson | Share Option (right to buy) | D | 94,224 | $0.00 | 149,811 | D | M |
| 13 Mar, 2026 | Karen M. Anderson | Share Option (right to buy) | D | 15,174 | $0.00 | 28,336 | D | M |
| 13 Mar, 2026 | Gregory M Weinhoff | Ordinary Shares | D | 61,253 | $26.17 | 77,868 | D | S |
| 13 Mar, 2026 | Karen M. Anderson | Ordinary Shares | A | 109,398 | $4.01 | 182,114 | D | M |