Company profile
BillionToOne, Inc. insider acquisitions
Company CIK 0002070849 · Reported insider acquisitions and filing context.
BLLN · Nasdaq
These are company listings. A transaction is linked to a particular security only when the filing provides enough information.
Company activity summary
By transaction date, as of October 23, 2026.
No records are loaded for this 7-day transaction window. This does not establish that no transactions occurred.
Known purchase value sums available amounts for non-derivative purchases only. Missing amounts are excluded. “Currency not specified” does not establish that the amounts share a currency. These summaries use all matching loaded records, while the timeline below covers only the current page.
Transaction timeline
Who reported an acquisition, and when the transaction occurred.
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition
50 dated transactions · 8 of 9 reporting owners shown. Select one owner to focus the chart.
View timeline as a table
| Transaction date | Company / security | Reporting owners | Acquisition type |
|---|---|---|---|
| Oct 13, 2026 | BillionToOne, Inc.Class A Common Stock | Lynch Thomas P. | Exercise / conversion |
| Oct 15, 2026 | BillionToOne, Inc.Class A Common Stock | Atay Oguzhan | Exercise / conversion |
| Oct 14, 2026 | BillionToOne, Inc.Class A Common Stock | Atay Oguzhan | Exercise / conversion |
| Oct 12, 2026 | BillionToOne, Inc.Class A Common Stock | Atay Oguzhan | Exercise / conversion |
| Oct 8, 2026 | BillionToOne, Inc.Class A Common Stock | Lynch Thomas P. | Exercise / conversion |
| Oct 5, 2026 | BillionToOne, Inc.Class A Common Stock | Tsao David | Exercise / conversion |
| Oct 5, 2026 | BillionToOne, Inc.Class A Common Stock | Tsao David | Exercise / conversion |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Lynch Thomas P. | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Lynch Thomas P. | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Lynch Thomas P. | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Lynch Thomas P. | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Lynch Thomas P. | Purchase |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Lynch Thomas P. | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Atay Oguzhan | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Atay Oguzhan | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Class B Common Stock | Atay Oguzhan | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Atay Oguzhan | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Atay Oguzhan | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Atay Oguzhan | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Common Stock | Atay Oguzhan | Conversion |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Tsao David | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Tsao David | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Class B Common Stock | Tsao David | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Tsao David | Purchase |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Tsao David | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Sakakibara Shan Riku | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Sakakibara Shan Riku | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Sakakibara Shan Riku | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Sakakibara Shan Riku | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Taylor Ross | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Taylor Ross | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | ten Bosch John Roderick | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | ten Bosch John Roderick | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | ten Bosch John Roderick | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | ten Bosch John Roderick | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | ten Bosch John Roderick | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | ten Bosch John Roderick | Purchase |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | ten Bosch John Roderick | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | LISTER JOHN | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Johnson Nancy JoAnn | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Johnson Nancy JoAnn | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Johnson Nancy JoAnn | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Johnson Nancy JoAnn | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Johnson Nancy JoAnn | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Stock Option (right to buy) | Johnson Nancy JoAnn | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Johnson Nancy JoAnn | Purchase |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Johnson Nancy JoAnn | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Rai Akshay | Purchase |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Rai Akshay | Other acquisition |
| Nov 7, 2025 | BillionToOne, Inc.Class A Common Stock | Rai Akshay | Other acquisition |
Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.
Share price & reported acquisitions
Daily closing prices from a separate source. The date window above also filters prices; reporting-owner and transaction-type selections filter the markers.
Price history is not available
Market-price history is not connected yet.
BLLN · Currency not specified. A marker uses that day's closing price, not the reported transaction price. No price is substituted for a missing trading day.
Reported acquisitions
Filing-date filters apply to the list and timeline. The summary above uses transaction dates.
| Filed / transacted | Reporting owners | Type / security | Quantity | Price / reference value | Details |
|---|---|---|---|---|---|
| Trade: | Lynch Thomas P.See Remarks | Exercise / conversionClass A Common StockNon-derivative security · Code M | 2,000 | 8.65Value: 17,300Currency not specified | View ↗ |
| Trade: | Atay OguzhanChairman and CEO · Director | Exercise / conversionClass A Common StockNon-derivative security · Code M | 5,150 | 2.8Value: 14,420Currency not specified | View ↗ |
| Trade: | Atay OguzhanChairman and CEO · Director | Exercise / conversionClass A Common StockNon-derivative security · Code M | 3,183 | 2.8Value: 8,912.4Currency not specified | View ↗ |
| Trade: | Atay OguzhanChairman and CEO · Director | Exercise / conversionClass A Common StockNon-derivative security · Code M | 16,667 | 2.8Value: 46,667.6Currency not specified | View ↗ |
| Trade: | Lynch Thomas P.See Remarks | Exercise / conversionClass A Common StockNon-derivative security · Code M | 8,000 | 8.65Value: 69,200Currency not specified | View ↗ |
| Trade: | Tsao DavidChief Technology Officer · Director | Exercise / conversionClass A Common StockNon-derivative security · Code M | 10,000 | 2.8Value: 28,000Currency not specified | View ↗ |
| Trade: | Tsao DavidChief Technology Officer · Director | Exercise / conversionClass A Common StockNon-derivative security · Code M | 10,000 | 2.8Value: 28,000Currency not specified | View ↗ |
| Trade: | Lynch Thomas P.See Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 40,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Lynch Thomas P.See Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 10,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Lynch Thomas P.See Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 15,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Lynch Thomas P.See Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 79,400 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Lynch Thomas P.See Remarks | PurchaseClass A Common StockNon-derivative security · Code P | 100 | 60Value: 6,000Currency not specified | View ↗ |
| Trade: | Lynch Thomas P.See Remarks | Other acquisitionClass A Common StockNon-derivative security · Code J | 600 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Atay OguzhanSee Remarks · Director | Other acquisitionStock Option (right to buy)Derivative security · Code J | 1,003,102 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Atay OguzhanSee Remarks · Director | Other acquisitionStock Option (right to buy)Derivative security · Code J | 640,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Atay OguzhanSee Remarks · Director | Other acquisitionClass B Common StockDerivative security · Code J | 2,227,542 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Atay OguzhanSee Remarks · Director | Other acquisitionClass A Common StockNon-derivative security · Code J | 200,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Atay OguzhanSee Remarks · Director | Other acquisitionClass A Common StockNon-derivative security · Code J | 1,965,108 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Atay OguzhanSee Remarks · Director | Other acquisitionClass A Common StockNon-derivative security · Code J | 262,434 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Atay OguzhanSee Remarks · Director | ConversionCommon StockNon-derivative security · Code C | 262,434 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Tsao DavidChief Technology Officer · Director | Other acquisitionStock Option (right to buy)Derivative security · Code J | 501,551 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Tsao DavidChief Technology Officer · Director | Other acquisitionStock Option (right to buy)Derivative security · Code J | 640,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Tsao DavidChief Technology Officer · Director | Other acquisitionClass B Common StockDerivative security · Code J | 2,325,108 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Tsao DavidChief Technology Officer · Director | PurchaseClass A Common StockNon-derivative security · Code P | 1,000 | 60Value: 60,000Currency not specified | View ↗ |
| Trade: | Tsao DavidChief Technology Officer · Director | Other acquisitionClass A Common StockNon-derivative security · Code J | 2,325,108 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Sakakibara Shan RikuChief Product Officer | Other acquisitionStock Option (right to buy)Derivative security · Code J | 65,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Sakakibara Shan RikuChief Product Officer | Other acquisitionStock Option (right to buy)Derivative security · Code J | 40,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Sakakibara Shan RikuChief Product Officer | Other acquisitionStock Option (right to buy)Derivative security · Code J | 50,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Sakakibara Shan RikuChief Product Officer | Other acquisitionClass A Common StockNon-derivative security · Code J | 220,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Taylor RossChief Financial Officer | Other acquisitionStock Option (right to buy)Derivative security · Code J | 75,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Taylor RossChief Financial Officer | Other acquisitionStock Option (right to buy)Derivative security · Code J | 175,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | ten Bosch John RoderickSee Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 37,500 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | ten Bosch John RoderickSee Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 30,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | ten Bosch John RoderickSee Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 15,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | ten Bosch John RoderickSee Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 20,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | ten Bosch John RoderickSee Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 28,500 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | ten Bosch John RoderickSee Remarks | PurchaseClass A Common StockNon-derivative security · Code P | 800 | 60Value: 48,000Currency not specified | View ↗ |
| Trade: | ten Bosch John RoderickSee Remarks | Other acquisitionClass A Common StockNon-derivative security · Code J | 37,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | LISTER JOHNChief Administrative Officer | Other acquisitionStock Option (right to buy)Derivative security · Code J | 133,300 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Johnson Nancy JoAnnSee Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 40,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Johnson Nancy JoAnnSee Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 20,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Johnson Nancy JoAnnSee Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 40,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Johnson Nancy JoAnnSee Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 25,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Johnson Nancy JoAnnSee Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 25,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Johnson Nancy JoAnnSee Remarks | Other acquisitionStock Option (right to buy)Derivative security · Code J | 125,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Johnson Nancy JoAnnSee Remarks | PurchaseClass A Common StockNon-derivative security · Code P | 6,900 | 60Value: 414,000Currency not specified | View ↗ |
| Trade: | Johnson Nancy JoAnnSee Remarks | Other acquisitionClass A Common StockNon-derivative security · Code J | 29,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Rai AkshayDirector | PurchaseClass A Common StockNon-derivative security · Code P | 2,500 | 60Value: 150,000Currency not specified | View ↗ |
| Trade: | Rai AkshayDirector | Other acquisitionClass A Common StockNon-derivative security · Code J | 1,784,414 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Rai AkshayDirector | Other acquisitionClass A Common StockNon-derivative security · Code J | 11,009 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
50 transactions on this page. Filing date, newest first.
Reporting owners are associated with a filing. Jointly reported amounts are not allocated to individual owners. Historical coverage is still being built. Read the methodology →