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 |
| 2026-08-10 Sale | 2026-08-12 6:55 pm | BillionToOne Inc. | BLLN | ten Bosch John Roderick SVP of Laboratory Operations | 1,417 | $92.86 | $131,583 | 27,884 (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 |
| 2026-08-05 Sale | 2026-08-07 4:02 pm | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 15,539 | $150.03 | $2,331,352 | 526,961 (Direct) | View |
| 2026-08-03 Sale | 2026-08-05 8:52 pm | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 45,000 | $137.07 | $6,167,960 | 1,808,750 (Indirect Direct) | View |
| 2026-07-31 Sale | 2026-08-04 4:32 pm | BillionToOne Inc. | BLLN | Sakakibara Shan Riku Chief Product Officer | 4,000 | $140.21 | $560,840 | 200,000 (Direct) | View |
| 2026-07-16 Sale | 2026-07-20 7:38 pm | BillionToOne Inc. | BLLN | Johnson Nancy JoAnn See Remarks | 14,199 | $128.29 | $1,821,628 | 6,900 (Direct) | View |
| 2026-07-13 Sale | 2026-07-15 4:38 pm | BillionToOne Inc. | BLLN | ten Bosch John Roderick SVP of Laboratory Operations | 4,251 | $125.46 | $533,330 | 29,301 (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 |
| 2026-07-09 Sale | 2026-07-13 4:39 pm | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 12,500 | $126.1 | $1,576,276 | 575,000 (Direct) | View |
| 2026-07-09 Sale | 2026-07-13 4:39 pm | BillionToOne Inc. | BLLN | Sakakibara Shan Riku Chief Product Officer | 8,000 | $125 | $1,000,000 | 427,411 (Direct) | View |
| 2026-07-06 Sale | 2026-07-08 7:06 pm | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 38,750 | $122.05 | $4,729,379 | 1,356,250 (Indirect Direct) | View |
| 2026-07-01 Sale | 2026-07-06 8:38 pm | BillionToOne Inc. | BLLN | Johnson Nancy JoAnn See Remarks | 801 | $124.91 | $100,056 | 21,099 (Direct) | View |
| 2026-06-29 Sale | 2026-07-01 4:23 pm | BillionToOne Inc. | BLLN | ten Bosch John Roderick SVP of Laboratory Operations | 1,416 | $120 | $169,920 | 33,552 (Direct) | View |
| 2026-06-24 Sale | 2026-06-26 5:20 pm | BillionToOne Inc. | BLLN | Sakakibara Shan Riku Chief Product Officer | 8,000 | $110 | $880,000 | 244,000 (Direct) | View |
| 2026-06-15 Sale | 2026-06-17 5:47 pm | BillionToOne Inc. | BLLN | ten Bosch John Roderick See Remarks | 2,832 | $101.47 | $287,363 | 34,968 (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 |
| 2026-06-08 Sale | 2026-06-10 8:36 pm | BillionToOne Inc. | BLLN | Sakakibara Shan Riku Chief Product Officer | 8,000 | $98.22 | $785,800 | 212,000 (Direct) | View |
| 2026-06-08 Sale | 2026-06-10 8:36 pm | BillionToOne Inc. | BLLN | Johnson Nancy JoAnn See Remarks | 14,000 | $100.18 | $1,402,540 | 21,900 (Direct) | View |
| 2026-06-08 Sale | 2026-06-10 8:35 pm | BillionToOne Inc. | BLLN | Atay Oguzhan See Remarks | 38,750 | $97.84 | $3,791,445 | 3,638,792 (Indirect Direct) | View |
| 2025-11-07 Purchase | 2025-11-12 6:16 pm | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 100 | $60 | $6,000 | 146,300 (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 |
| 2025-11-07 Purchase | 2025-11-12 6:10 pm | BillionToOne Inc. | BLLN | ten Bosch John Roderick See Remarks | 800 | $60 | $48,000 | 242,800 (Direct) | View |
| 2025-11-07 Purchase | 2025-11-12 6:07 pm | BillionToOne Inc. | BLLN | Johnson Nancy JoAnn See Remarks | 6,900 | $60 | $414,000 | 368,900 (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 |
| 2026-08-10 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 |
| 2026-08-05 Exercise | 2026-08-07 4:02 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 15,539 | $2.8 | 526,961 (Direct) | View |
| 2026-08-03 Exercise | 2026-08-05 8:52 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 32,500 | $2.8 | 1,808,750 (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 |
| 2026-07-09 Exercise | 2026-07-13 4:39 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 12,500 | $2.8 | 575,000 (Direct) | View |
| 2026-07-09 Exercise | 2026-07-13 4:39 pm | N/A 2033-01-18 | BillionToOne Inc. | BLLN | Sakakibara Shan Riku Chief Product Officer | 174 | $8.65 | 427,411 (Direct) | View |
| 2026-07-09 Exercise | 2026-07-13 4:39 pm | N/A 2035-09-30 | BillionToOne Inc. | BLLN | Sakakibara Shan Riku Chief Product Officer | 3,826 | $30.78 | 427,411 (Direct) | View |
| 2026-07-06 Exercise | 2026-07-08 7:06 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 26,250 | $2.8 | 1,356,250 (Direct) | View |
| 2026-06-24 Exercise | 2026-06-26 5:20 pm | N/A 2033-01-18 | BillionToOne Inc. | BLLN | Sakakibara Shan Riku Chief Product Officer | 4,000 | $8.65 | 244,000 (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 |
| 2026-06-10 Option Award | 2026-06-12 5:58 pm | N/A N/A | BillionToOne Inc. | BLLN | Bremner Thomas S Director | 3,017 | $0 | 11,350 (Direct) | View |
| 2026-06-10 Option Award | 2026-06-12 12:54 pm | N/A N/A | BillionToOne Inc. | BLLN | KOLLURI KRISHNA KITTU Director 10% Owner | 3,017 | $0 | 11,350 (Direct) | View |
| 2026-06-10 Option Award | 2026-06-12 12:54 pm | N/A N/A | BillionToOne Inc. | BLLN | Ileri Firat Director 10% Owner | 3,017 | $0 | 40,331 (Direct) | View |
| 2026-06-10 Option Award | 2026-06-12 12:54 pm | N/A N/A | BillionToOne Inc. | BLLN | Pagano Anthony Director | 3,017 | $0 | 7,913 (Direct) | View |
| 2026-06-10 Option Award | 2026-06-12 12:53 pm | N/A N/A | BillionToOne Inc. | BLLN | Rai Akshay Director | 3,017 | $0 | 14,026 (Direct) | View |
| 2026-06-09 Other | 2026-06-11 5:01 pm | N/A N/A | BillionToOne Inc. | BLLN | KOLLURI KRISHNA KITTU Director | 466,260 | $0 | 511,331 (Indirect) | View |
| 2026-06-09 Other | 2026-06-11 5:01 pm | N/A N/A | BillionToOne Inc. | BLLN | NeoTribe Ventures I L.P. Neotribe Ignite Fund I L.P. Neotribe SPV I BTO LLC NeoTribe Associates I L.P. Neotribe Ignite Partners I LLC Neotribe Partners SPV I BTO LLC NeoTribe Partners I LLC 10% Owner | 450,779 | $0 | 552,969 (Indirect) | View |
| 2026-06-09 Gift | 2026-06-10 8:35 pm | N/A N/A | BillionToOne Inc. | BLLN | Atay Oguzhan See Remarks | 10,000 | $0 | 3,638,792 (Direct) | View |
| 2026-06-08 Exercise | 2026-06-10 8:35 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Atay Oguzhan See Remarks | 26,250 | $2.8 | 3,638,792 (Direct) | View |
| 2026-06-08 Conversion | 2026-06-10 8:35 pm | N/A N/A | BillionToOne Inc. | BLLN | Atay Oguzhan See Remarks | 10,000 | $0 | 3,638,792 (Direct) | View |
| 2026-05-11 Other | 2026-05-13 2:23 pm | N/A N/A | BillionToOne Inc. | BLLN | NeoTribe Ventures I L.P. Neotribe Ignite Fund I L.P. Neotribe SPV I BTO LLC NeoTribe Associates I L.P. Neotribe Ignite Partners I LLC Neotribe Partners SPV I BTO LLC NeoTribe Partners I LLC 10% Owner | 450,779 | $0 | 563,890 (Indirect) | View |
| 2026-05-11 Other | 2026-05-13 2:22 pm | N/A N/A | BillionToOne Inc. | BLLN | KOLLURI KRISHNA KITTU Director 10% Owner | 466,260 | $0 | 496,569 (Indirect) | View |
| 2025-11-07 Other | 2026-01-20 7:27 pm | N/A N/A | BillionToOne Inc. | BLLN | Humming Bird Ventures Management NV Hummingbird Opportunity Fund II CommV Hummingbird Ventures III CommV Hummingbird Dragons CommV Hummingbird Collective CommV HB&Q NV (HB&Q COMPARTMENT III) Van den Brande Barend Decoster Lukas 10% Owner | 7,887,187 | $0 | 18,355,207 (Indirect) | View |
| 2025-11-07 Conversion | 2026-01-20 7:27 pm | N/A N/A | BillionToOne Inc. | BLLN | Humming Bird Ventures Management NV Hummingbird Opportunity Fund II CommV Hummingbird Ventures III CommV Hummingbird Dragons CommV Hummingbird Collective CommV HB&Q NV (HB&Q COMPARTMENT III) Van den Brande Barend Decoster Lukas 10% Owner | 14,754,854 | $0 | 18,355,207 (Indirect) | View |
Ownership | 2026-01-20 7:25 pm | N/A N/A | BillionToOne Inc. | BLLN | Humming Bird Ventures Management NV Hummingbird Opportunity Fund II CommV Hummingbird Ventures III CommV Hummingbird Dragons CommV Hummingbird Collective CommV HB&Q NV (HB&Q COMPARTMENT III) Van den Brande Barend Decoster Lukas 10% Owner | 0 | $0 | 7,887,237 (Indirect) | View |
| 2026-01-01 Option Award | 2026-01-05 8:52 pm | N/A N/A | BillionToOne Inc. | BLLN | Pagano Anthony Director | 4,896 | $0 | 4,896 (Direct) | View |
| 2025-11-07 Other | 2025-11-12 6:16 pm | N/A 2033-01-18 | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 289,400 | $0 | 146,300 (Direct) | View |
| 2025-11-07 Other | 2025-11-12 6:14 pm | N/A N/A | BillionToOne Inc. | BLLN | Atay Oguzhan See Remarks | 7,941,288 | $0 | 11,153,270 (Direct) | View |
| 2025-11-07 Conversion | 2025-11-12 6:14 pm | N/A N/A | BillionToOne Inc. | BLLN | Atay Oguzhan See Remarks | 262,434 | $0 | 11,153,270 (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 |
| 2025-11-07 Other | 2025-11-12 6:12 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Sakakibara Shan Riku Chief Product Officer | 530,000 | $0 | 815,000 (Direct) | View |
| 2025-11-07 Other | 2025-11-12 6:11 pm | N/A 2034-01-13 | BillionToOne Inc. | BLLN | Taylor Ross Chief Financial Officer | 500,000 | $0 | 250,000 (Direct) | View |
| 2025-11-07 Other | 2025-11-12 6:10 pm | N/A 2030-09-30 | BillionToOne Inc. | BLLN | ten Bosch John Roderick See Remarks | 299,000 | $0 | 242,800 (Direct) | View |
| 2025-11-07 Other | 2025-11-12 6:09 pm | N/A 2035-08-04 | BillionToOne Inc. | BLLN | LISTER JOHN Chief Administrative Officer | 266,600 | $0 | 133,300 (Direct) | View |
| 2025-11-07 Other | 2025-11-12 6:07 pm | N/A 2029-08-20 | BillionToOne Inc. | BLLN | Johnson Nancy JoAnn See Remarks | 579,000 | $0 | 368,900 (Direct) | View |