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 |
| 2026-11-02 Sale | 2026-11-04 8:42 pm | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 20,000 | $109.24 | $2,184,854 | 1,044,334 (Direct) | View |
| 2026-10-05 Sale | 2026-10-07 7:56 pm | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 20,000 | $108.15 | $2,162,950 | 1,084,334 (Direct) | View |
| 2026-09-24 Sale | 2026-09-28 5:57 pm | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 3,333 | $125 | $416,625 | 557,667 (Direct) | View |
| 2026-09-09 Sale | 2026-09-11 6:01 pm | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 20,000 | $98.77 | $1,975,400 | 1,131,000 (Direct) | View |
| 2026-08-25 Sale | 2026-08-27 8:19 pm | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 10,000 | $100 | $1,000,000 | 581,000 (Direct) | View |
| 2026-08-10 Sale | 2026-08-12 6:51 pm | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 10,000 | $92.86 | $928,600 | 591,000 (Direct) | View |
| 2026-07-13 Sale | 2026-07-15 4:38 pm | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 20,000 | $124.88 | $2,497,698 | 1,211,000 (Direct) | View |
| 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 |
| 2026-11-02 Exercise | 2026-11-04 8:42 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 20,000 | $2.8 | 1,044,334 (Direct) | View |
| 2026-10-05 Exercise | 2026-10-07 7:56 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 20,000 | $2.8 | 1,084,334 (Direct) | View |
| 2026-09-24 Exercise | 2026-09-28 5:57 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 3,333 | $2.8 | 557,667 (Direct) | View |
| 2026-09-09 Exercise | 2026-09-11 6:01 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 20,000 | $2.8 | 1,131,000 (Direct) | View |
| 2026-09-03 Conversion | 2026-09-08 9:55 pm | N/A N/A | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 20,000 | $0 | 2,306,108 (Direct) | View |
| 2026-09-08 Gift | 2026-09-08 9:55 pm | N/A N/A | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 20,000 | $0 | 2,306,108 (Direct) | View |
| 2026-08-25 Exercise | 2026-08-27 8:19 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 10,000 | $2.8 | 581,000 (Direct) | View |
| 2026-08-10 Exercise | 2026-08-12 6:51 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 10,000 | $2.8 | 591,000 (Direct) | View |
| 2026-07-13 Exercise | 2026-07-15 4:38 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Tsao David Chief Technology Officer | 20,000 | $2.8 | 1,211,000 (Direct) | View |
| 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 |