Black Diamond Therapeutics, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Behbahani Ali | — | Award / Grant | 5,208 | $2.76 | $14,374 | 86,649 | Dec 12, 2025 |
| Raman Prakash | — | Award / Grant | 4,665 | $2.76 | $12,875 | 31,027 | Dec 12, 2025 |
| Behbahani Ali | — | Award / Grant | 4,291 | $3.35 | $14,375 | 81,441 | Sep 19, 2025 |
| Raman Prakash | — | Award / Grant | 3,843 | $3.35 | $12,874 | 26,362 | Sep 19, 2025 |
| Behbahani Ali | — | Award / Grant | 6,170 | $2.33 | $14,376 | 77,150 | Jun 20, 2025 |
| Raman Prakash | — | Award / Grant | 5,526 | $2.33 | $12,876 | 22,519 | Jun 20, 2025 |
| Behbahani Ali | — | Award / Grant | 7,646 | $1.88 | $14,374 | 70,980 | Mar 21, 2025 |
| Raman Prakash | — | Award / Grant | 6,848 | $1.88 | $12,874 | 16,993 | Mar 21, 2025 |
| BIOTECH GROWTH N V | — | Sale | 584,292 | $1.95 | $1,139,369 | 3,233,547 | Mar 19, 2025 |
| Velleca Mark A. | PRESIDENT & CEO | Award / Grant | 75,000 | — | — | 121,522 | Jan 30, 2025 |
| Yurasov Sergey | CHIEF MEDICAL OFFICER | Award / Grant | 75,000 | — | — | 75,000 | Jan 30, 2025 |
| Buck Elizabeth | CHIEF SCIENTIFIC OFFICER | Award / Grant | 75,000 | — | — | 170,192 | Jan 30, 2025 |
| Jones Erika | SEE REMARKS | Award / Grant | 75,000 | — | — | 85,150 | Jan 30, 2025 |
| Hatzis-Schoch Brent | SEE REMARKS | Award / Grant | 75,000 | — | — | 83,400 | Jan 30, 2025 |
| Behbahani Ali | — | Award / Grant | 5,750 | $2.50 | $14,375 | 63,334 | Dec 13, 2024 |
| Raman Prakash | — | Award / Grant | 5,150 | $2.50 | $12,875 | 10,145 | Dec 13, 2024 |
| Campbell Shannon | — | Award / Grant | 4,500 | $2.50 | $11,250 | 8,865 | Dec 13, 2024 |
| Behbahani Ali | — | Award / Grant | 3,007 | $4.78 | $14,373 | 57,584 | Sep 20, 2024 |
| Campbell Shannon | — | Award / Grant | 2,354 | $4.78 | $11,252 | 4,365 | Sep 20, 2024 |
| Raman Prakash | — | Award / Grant | 2,694 | $4.78 | $12,877 | 4,995 | Sep 20, 2024 |
| Versant Voyageurs I Parallel, L.P. | — | Sale | 221,600 | $6.32 | $1,400,512 | 3,726,341 | Aug 28, 2024 |
| Behbahani Ali | — | Award / Grant | 2,887 | $4.98 | $14,377 | 54,577 | Jun 21, 2024 |
| Raman Prakash | — | Award / Grant | 2,301 | $4.98 | $11,459 | 2,301 | Jun 21, 2024 |
| Campbell Shannon | — | Award / Grant | 2,011 | $4.98 | $10,015 | 2,011 | Jun 21, 2024 |
| Behbahani Ali | — | Award / Grant | 3,166 | $4.54 | $14,374 | 51,690 | Mar 15, 2024 |
| DIXON WENDY L | — | Award / Grant | 3,253 | $4.54 | $14,769 | 38,054 | Mar 15, 2024 |
| Behbahani Ali | — | Award / Grant | 4,455 | $2.73 | $12,162 | 48,524 | Dec 15, 2023 |
| DIXON WENDY L | — | Award / Grant | 4,043 | $2.73 | $11,037 | 34,801 | Dec 15, 2023 |
| BIOTECH GROWTH N V | — | Purchase | 400,000 | $2.34 | $936,000 | 8,517,839 | Oct 17, 2023 |
| Behbahani Ali | — | Award / Grant | 3,299 | $3.60 | $11,876 | 44,069 | Sep 15, 2023 |
| Velleca Mark A. | PRESIDENT & CEO | Award / Grant | 5,208 | $3.60 | $18,749 | 46,522 | Sep 15, 2023 |
| DIXON WENDY L | — | Award / Grant | 2,986 | $3.60 | $10,750 | 30,758 | Sep 15, 2023 |
| RA CAPITAL MANAGEMENT, L.P. | — | Purchase | 935,850 | $5.00 | $4,679,250 | 3,213,828 | Jul 5, 2023 |
| Behbahani Ali | — | Purchase | 1,000,000 | $5.00 | $5,000,000 | 4,448,757 | Jul 5, 2023 |
| BB BIOTECH AG | — | Purchase | 1,000,000 | $5.00 | $5,000,000 | 8,117,839 | Jun 30, 2023 |
| BIOTECH GROWTH N V | — | Purchase | 1,740,000 | $5.49 | $9,552,600 | 7,117,839 | Jun 27, 2023 |
| Epstein David M. | SEE REMARKS | Sale | 25,000 | $6.70 | $167,500 | 671,423 | Jun 27, 2023 |
| Behbahani Ali | — | Award / Grant | 5,655 | $2.10 | $11,876 | 40,770 | Jun 16, 2023 |
| DIXON WENDY L | — | Award / Grant | 5,119 | $2.10 | $10,750 | 27,772 | Jun 16, 2023 |
| Velleca Mark A. | — | Award / Grant | 8,929 | $2.10 | $18,751 | 41,314 | Jun 16, 2023 |
| Behbahani Ali | — | Award / Grant | 7,111 | $1.67 | $11,875 | 35,115 | Mar 16, 2023 |
| DIXON WENDY L | — | Award / Grant | 6,437 | $1.67 | $10,750 | 22,653 | Mar 16, 2023 |
| Velleca Mark A. | — | Award / Grant | 11,228 | $1.67 | $18,751 | 32,385 | Mar 16, 2023 |
| Jones Erika | SEE REMARKS | Award / Grant | 5,075 | — | — | 10,150 | Feb 13, 2023 |
| Ni Fang | SEE REMARKS | Purchase | 20,000 | $1.29 | $25,800 | 89,026 | Dec 22, 2022 |
| Behbahani Ali | — | Award / Grant | 7,917 | $1.50 | $11,876 | 28,004 | Dec 16, 2022 |
| Velleca Mark A. | — | Award / Grant | 8,424 | $1.50 | $12,636 | 21,157 | Dec 16, 2022 |
| DIXON WENDY L | — | Award / Grant | 7,167 | $1.50 | $10,751 | 16,216 | Dec 16, 2022 |
| INGRAM ROBERT ALEXANDER | — | Award / Grant | 9,375 | $1.50 | $14,063 | 42,854 | Dec 16, 2022 |
| BIOTECH GROWTH N V | — | Purchase | 99,801 | $2.25 | $224,552 | 5,377,839 | Oct 31, 2022 |