BNTC's three largest insider shareholders as of June 09, 2026 are Capital Management, Llc Suvretta (Director, 1.85Mn shares), J Kevin Buchi (Director, 103.91K shares), Megan Boston (Executive Director, 25.91K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| J Kevin Buchi | - | 284 | 103,626 | 13 Mar, 2025 |
| Capital Management, Llc Suvretta | - | 0 | 1,848,156 | 29 Dec, 2025 |
| Megan Boston | Executive Director | 25,907 | 0 | 14 Aug, 2023 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 22 Jan, 2026 | Sharon Mates | Options (right to buy) | A | 31,500 | $0.00 | 31,500 | D | A |
| 22 Jan, 2026 | Sharon Mates | Options (right to buy) | A | 31,500 | $0.00 | 31,500 | D | A |
| 23 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 42,600 | $12.85 | 9,620,075 | I | P |
| 23 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 42,600 | $12.85 | 9,620,075 | I | P |
| 23 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 7,400 | $12.85 | 1,834,053 | I | P |
| 23 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 7,400 | $12.85 | 1,834,053 | I | P |
| 26 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 14,320 | $13.10 | 9,634,395 | I | P |
| 26 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 14,320 | $13.10 | 9,634,395 | I | P |
| 26 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 2,516 | $13.10 | 1,836,569 | I | P |
| 26 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 2,516 | $13.10 | 1,836,569 | I | P |
| 29 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 65,800 | $13.44 | 9,700,195 | I | P |
| 29 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 65,800 | $13.44 | 9,700,195 | I | P |
| 29 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 11,587 | $13.44 | 1,848,156 | I | P |
| 29 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 11,587 | $13.44 | 1,848,156 | I | P |
| 18 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 8,700 | $11.24 | 9,546,875 | I | P |
| 18 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 8,700 | $11.24 | 9,546,875 | I | P |
| 18 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 1,515 | $11.24 | 1,821,327 | I | P |
| 18 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 1,515 | $11.24 | 1,821,327 | I | P |
| 19 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 13,950 | $11.48 | 9,560,825 | I | P |
| 19 Dec, 2025 | Capital Management, Llc Suvretta | Common stock, par value $0.0001 per share | A | 13,950 | $11.48 | 9,560,825 | I | P |