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 |
| 2026-10-14 Sale | 2026-10-16 7:00 pm | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 11,000 | $99.14 | $1,090,575 | 1,091,576 (Indirect Direct) | View |
| 2026-10-12 Sale | 2026-10-14 6:10 pm | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 19,334 | $94.31 | $1,823,450 | 628,797 (Indirect Direct) | View |
| 2026-10-05 Sale | 2026-10-07 7:56 pm | BillionToOne Inc. | BLLN | ten Bosch John Roderick SVP of Laboratory Operations | 2,834 | $105.15 | $297,995 | 19,385 (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 |
| 2026-09-28 Sale | 2026-09-30 8:33 pm | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 10,999 | $120.64 | $1,326,919 | 648,131 (Indirect 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 |
| 2026-09-24 Sale | 2026-09-28 5:56 pm | BillionToOne Inc. | BLLN | ten Bosch John Roderick SVP of Laboratory Operations | 1,416 | $120 | $169,920 | 22,219 (Direct) | View |
| 2026-09-21 Sale | 2026-09-23 5:50 pm | BillionToOne Inc. | BLLN | ten Bosch John Roderick SVP of Laboratory Operations | 1,416 | $106.61 | $150,960 | 23,635 (Direct) | View |
| 2026-09-17 Sale | 2026-09-21 7:00 pm | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 35,112 | $110.33 | $3,873,966 | 89,988 (Direct) | View |
| 2026-09-14 Sale | 2026-09-16 6:43 pm | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 30,331 | $99.91 | $3,030,444 | 1,169,425 (Indirect Direct) | View |
| 2026-09-09 Sale | 2026-09-11 6:01 pm | BillionToOne Inc. | BLLN | ten Bosch John Roderick SVP of Laboratory Operations | 1,416 | $97.54 | $138,117 | 25,051 (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 |
| 2026-09-08 Sale | 2026-09-10 7:44 pm | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 20,000 | $99.99 | $1,999,880 | 125,100 (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 |
| 2026-08-25 Sale | 2026-08-27 8:19 pm | BillionToOne Inc. | BLLN | ten Bosch John Roderick SVP of Laboratory Operations | 1,417 | $100 | $141,700 | 26,467 (Direct) | View |
| 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 |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-10-13 Exercise | 2026-10-19 7:35 pm | N/A 2033-01-18 | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 2,000 | $8.65 | 49,674 (Direct) | View |
| 2026-10-14 Exercise | 2026-10-16 7:00 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 8,333 | $2.8 | 1,091,576 (Direct) | View |
| 2026-10-12 Exercise | 2026-10-14 6:10 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 16,667 | $2.8 | 628,797 (Direct) | View |
| 2026-10-08 Exercise | 2026-10-13 6:39 pm | N/A 2033-01-18 | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 8,000 | $8.65 | 49,674 (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 |
| 2026-09-28 Exercise | 2026-09-30 8:33 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 8,333 | $2.8 | 648,131 (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 |
| 2026-09-17 Exercise | 2026-09-21 7:00 pm | N/A 2033-10-17 | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 6,968 | $11.55 | 89,988 (Direct) | View |
| 2026-09-17 Exercise | 2026-09-21 7:00 pm | N/A 2035-09-30 | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 5,840 | $30.78 | 89,988 (Direct) | View |
| 2026-09-17 Exercise | 2026-09-21 7:00 pm | N/A 2033-01-18 | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 19,384 | $8.65 | 89,988 (Direct) | View |
| 2026-09-17 Exercise | 2026-09-21 7:00 pm | N/A 2034-10-16 | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 2,920 | $17.12 | 89,988 (Direct) | View |
| 2026-09-14 Exercise | 2026-09-16 6:43 pm | N/A 2031-06-07 | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 24,999 | $2.8 | 1,169,425 (Direct) | View |
| 2026-09-10 Gift | 2026-09-14 6:47 pm | N/A N/A | BillionToOne Inc. | BLLN | Sakakibara Shan Riku Chief Product Officer | 3,500 | $0 | 196,500 (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 |
| 2026-09-08 Exercise | 2026-09-10 7:44 pm | N/A 2033-10-17 | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 3,969 | $11.55 | 125,100 (Direct) | View |
| 2026-09-08 Exercise | 2026-09-10 7:44 pm | N/A 2035-09-30 | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 3,326 | $30.78 | 125,100 (Direct) | View |
| 2026-09-08 Exercise | 2026-09-10 7:44 pm | N/A 2033-01-18 | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 11,042 | $8.65 | 125,100 (Direct) | View |
| 2026-09-08 Exercise | 2026-09-10 7:44 pm | N/A 2034-10-16 | BillionToOne Inc. | BLLN | Lynch Thomas P. See Remarks | 1,663 | $17.12 | 125,100 (Direct) | View |
| 2026-09-08 Conversion | 2026-09-10 7:44 pm | N/A N/A | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 20,000 | $0 | 2,197,542 (Direct) | View |
| 2026-09-09 Gift | 2026-09-10 7:44 pm | N/A N/A | BillionToOne Inc. | BLLN | Atay Oguzhan Chairman and CEO | 20,000 | $0 | 2,197,542 (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 |
| 2026-08-26 Other | 2026-08-28 4:20 pm | N/A N/A | BillionToOne Inc. | BLLN | KOLLURI KRISHNA KITTU Director | 513,476 | $0 | 620,525 (Indirect) | 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 |
| 2026-08-05 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 2035-09-30 | BillionToOne Inc. | BLLN | Sakakibara Shan Riku Chief Product Officer | 3,826 | $30.78 | 427,411 (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 |
| 2026-07-06 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 |