Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-06-15 Sale | 2026-06-17 5:47 pm | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 20,000 | $102.27 | $2,045,326 | 1,251,000 (Direct) | View |
| 2025-11-07 Purchase | 2025-11-12 6:12 pm | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 1,000 | $60 | $60,000 | 10,442,983 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-06-15 Exercise | 2026-06-17 5:47 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 20,000 | $2.8 | 1,251,000 (Direct) | View |
| 2025-11-07 Other | 2025-11-12 6:12 pm | N/A N/A | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 4,608,210 | $0 | 10,442,983 (Direct) | View |
Ownership | 2025-11-05 9:30 pm | N/A N/A | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 0 | $0 | 3,466,659 (Direct) | View |