Tsao David
CIK 2087127
Transactions on file
33
Open-market buys
1
Win rate (buys)
100%
1 scored
Avg % since filing (buys)
+65.6%
Tickers traded
Recent activity
| Filed | Txn date | Issuer | Roles | Code | Shares | Value | % since Filing | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-08-28 | 2026-08-25 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 10,000 | $1.00M | -0.6% | open → |
| 2026-08-28 | 2026-08-25 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Exer. | 10,000 | $28.0K | +3449.6% | open → |
| 2026-08-12 | 2026-08-10 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 10,000 | $928.6K | +7.0% | open → |
| 2026-08-12 | 2026-08-10 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Exer. | 10,000 | $28.0K | +3449.6% | open → |
| 2026-07-15 | 2026-07-13 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 1,028 | $130.4K | -21.7% | open → |
| 2026-07-15 | 2026-07-13 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 3,835 | $482.3K | -21.0% | open → |
| 2026-07-15 | 2026-07-13 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 1,725 | $215.0K | -20.3% | open → |
| 2026-07-15 | 2026-07-13 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 2,274 | $281.3K | -19.7% | open → |
| 2026-07-15 | 2026-07-13 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 1,138 | $139.8K | -19.1% | open → |
| 2026-07-15 | 2026-07-13 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 821 | $104.2K | -21.7% | open → |
| 2026-07-15 | 2026-07-13 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 3,185 | $400.8K | -21.0% | open → |
| 2026-07-15 | 2026-07-13 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 2,415 | $301.6K | -20.4% | open → |
| 2026-07-15 | 2026-07-13 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 2,477 | $306.8K | -19.7% | open → |
| 2026-07-15 | 2026-07-13 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 1,102 | $135.4K | -19.1% | open → |
| 2026-07-15 | 2026-07-13 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Exer. | 10,000 | $28.0K | +3449.6% | open → |
| 2026-07-15 | 2026-07-13 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Exer. | 10,000 | $28.0K | +3449.6% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 563 | $58.7K | -4.7% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 2,398 | $248.5K | -4.1% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 2,978 | $305.5K | -3.1% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 2,461 | $249.5K | -2.0% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 1,000 | $100.1K | -0.7% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 600 | $59.2K | +0.7% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 230 | $24.0K | -4.9% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 2,889 | $299.5K | -4.1% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 2,816 | $289.4K | -3.3% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 2,361 | $239.8K | -2.1% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Sale | 1,704 | $171.0K | -1.0% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Exer. | 10,000 | $28.0K | +3449.6% | open → |
| 2026-06-17 | 2026-06-15 | BLLN BillionToOne, Inc. | OfficerDirector Chief Technology Officer | Exer. | 10,000 | $28.0K | +3449.6% | open → |
| 2025-11-12 | 2025-11-07 | BLLN BillionToOne, Inc. | Chief Technology Officer | Buy | 1,000 | $60.0K | +65.6% | open → |
| 2025-11-12 | 2025-11-07 | BLLN BillionToOne, Inc. | Chief Technology Officer | Other | 2,325,108 | $0.00 | — | open → |
| 2025-11-12 | 2025-11-07 | BLLN BillionToOne, Inc. | Chief Technology Officer | Other | 2,325,108 | $0.00 | — | open → |
| 2025-11-12 | 2025-11-07 | BLLN BillionToOne, Inc. | Chief Technology Officer | Other | 2,325,108 | $0.00 | — | open → |
