As of March 23, 2026, the three largest insider holders of BDTX are Ali Behbahani (Director, 4.45Mn shares), Venture Capital Vi, L.P. Versant (TenPercentOwner, 3.73Mn shares), Capital Management, L.P. Ra (Director, 3.21Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Ali Behbahani | 0 | 4,448,757 | 06 Jul, 2023 | |
| Venture Capital Vi, L.P. Versant | 3,726,341 | 0 | 30 Aug, 2024 | |
| Capital Management, L.P. Ra | 0 | 3,213,828 | 07 Jul, 2023 | |
| Rajeev M. Shah | 0 | 2,277,978 | 05 Apr, 2021 | |
| David M. Epstein | See Remarks | 671,423 | 0 | 28 Jun, 2023 |
| Elizabeth Buck | Chief Scientific Officer | 170,192 | 0 | 31 Jan, 2025 |
| Fang Ni | See Remarks | 125,389 | 0 | 23 Dec, 2022 |
| Mark A. Velleca | President Ceo | 121,522 | 0 | 31 Jan, 2025 |
| Ali Behbahani | 93,568 | 0 | 20 Mar, 2026 | |
| Erika Jones | See Remarks | 85,150 | 0 | 31 Jan, 2025 |
| Brent Hatzis-Schoch | See Remarks | 83,400 | 0 | 31 Jan, 2025 |
| Sergey Yurasov | Chief Medical Officer | 75,000 | 0 | 31 Jan, 2025 |
| Robert Alexander Ingram | 42,854 | 0 | 19 Dec, 2022 | |
| Wendy L Dixon | 38,054 | 0 | 03 Apr, 2024 | |
| Prakash Raman | 37,132 | 0 | 20 Mar, 2026 | |
| Shannon Campbell | 8,865 | 0 | 16 Dec, 2024 | |
| Christopher D. Roberts | Chief Scientific Officer | 3,200 | 0 | 05 May, 2021 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 20 Mar, 2026 | Ali Behbahani | Common Stock | A | 6,919 | $2.15 | 93,568 | D | A |
| 20 Mar, 2026 | Prakash Raman | Common Stock | A | 6,105 | $2.15 | 37,132 | D | A |
| 21 Jan, 2026 | Elizabeth Buck | Stock Option (Right to Buy) | A | 250,000 | $0.00 | 250,000 | D | A |
| 21 Jan, 2026 | Mark A. Velleca | Stock Option (Right to Buy) | A | 600,000 | $0.00 | 600,000 | D | A |
| 21 Jan, 2026 | Brent Hatzis-Schoch | Stock Option (Right to Buy) | A | 250,000 | $0.00 | 250,000 | D | A |
| 21 Jan, 2026 | Erika Jones | Stock Option (Right to Buy) | A | 200,000 | $0.00 | 200,000 | D | A |
| 21 Jan, 2026 | Sergey Yurasov | Stock Option (Right to Buy) | A | 250,000 | $0.00 | 250,000 | D | A |
| 12 Dec, 2025 | Prakash Raman | Common Stock | A | 4,665 | $2.76 | 31,027 | D | A |
| 12 Dec, 2025 | Ali Behbahani | Common Stock | A | 5,208 | $2.76 | 86,649 | D | A |
| 19 Sep, 2025 | Ali Behbahani | Common Stock | A | 4,291 | $3.35 | 81,441 | D | A |
| 19 Sep, 2025 | Prakash Raman | Common Stock | A | 3,843 | $3.35 | 26,362 | D | A |
| 20 Jun, 2025 | Ali Behbahani | Common Stock | A | 6,170 | $2.33 | 77,150 | D | A |
| 20 Jun, 2025 | Prakash Raman | Common Stock | A | 5,526 | $2.33 | 22,519 | D | A |
| 12 Jun, 2025 | Prakash Raman | Stock Option (Right to Buy) | A | 30,550 | $0.00 | 30,550 | D | A |
| 12 Jun, 2025 | Shannon Campbell | Stock Option (Right to Buy) | A | 30,550 | $0.00 | 30,550 | D | A |
| 12 Jun, 2025 | Garry E Menzel | Stock Option (Right to Buy) | A | 30,550 | $0.00 | 30,550 | D | A |
| 12 Jun, 2025 | Ali Behbahani | Stock Option (Right to Buy) | A | 30,550 | $0.00 | 30,550 | D | A |
| 12 Jun, 2025 | Samarth Kulkarni | Stock Option (Right to Buy) | A | 30,550 | $0.00 | 30,550 | D | A |
| 12 Jun, 2025 | Kapil Dhingra | Stock Option (Right to Buy) | A | 30,550 | $0.00 | 30,550 | D | A |
| 21 Mar, 2025 | Ali Behbahani | Common Stock | A | 7,646 | $1.88 | 70,980 | D | A |