Black Diamond Therapeutics's three largest insider shareholders as of April 17, 2026 are Ali Behbahani (Director, 4.45Mn shares), Venture Capital Vi, L.P. Versant (TenPercentOwner, 3.73Mn shares), Growth N V Biotech (TenPercentOwner, 2.73Mn 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 |
| Growth N V Biotech | - | 2,733,547 | 0 | 20 Mar, 2025 |
| David M. Epstein | - | 671,423 | 0 | 28 Jun, 2023 |
| Elizabeth Buck | Chief Scientific Officer | 170,192 | 0 | 31 Jan, 2025 |
| Fang Ni | - | 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 | - | 85,150 | 0 | 31 Jan, 2025 |
| Brent Hatzis-Schoch | - | 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 |
* 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 | Prakash Raman | Common Stock | A | 6,105 | $2.15 | 37,132 | D | A |
| 20 Mar, 2026 | Ali Behbahani | Common Stock | A | 6,919 | $2.15 | 93,568 | 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 | Sergey Yurasov | 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 | Brent Hatzis-Schoch | 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 | Prakash Raman | Common Stock | A | 3,843 | $3.35 | 26,362 | D | A |
| 19 Sep, 2025 | Ali Behbahani | Common Stock | A | 4,291 | $3.35 | 81,441 | D | A |
| 20 Jun, 2025 | Prakash Raman | Common Stock | A | 5,526 | $2.33 | 22,519 | D | A |
| 20 Jun, 2025 | Ali Behbahani | Common Stock | A | 6,170 | $2.33 | 77,150 | D | A |
| 12 Jun, 2025 | Ali Behbahani | 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 |
| 12 Jun, 2025 | Samarth Kulkarni | 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 | Prakash Raman | 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 |
| 21 Mar, 2025 | Prakash Raman | Common Stock | A | 6,848 | $1.88 | 16,993 | D | A |