Black Diamond Therapeutics, Inc. (BDTX) Insider Ownership

Historic Insider Ownership Trends

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).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
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