Insider Transactions Reported by 15 Insiders of BillionToOne, Inc.

Symbol
BLLN on Nasdaq
Location
Menlo Park, CA

There are no Buy or Sell transactions made by insiders since 18 Mar 2025

BillionToOne, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Humming Bird Ventures Management NV 10%+ Owner $0 07 Nov 2025
Anthony Pagano Director 01 Jan 2026
Akshay Rai Director 07 Nov 2025
Thomas S. Bremner Director 06 Nov 2025
Krishna Kittu Kolluri Director, 10%+ Owner 06 Nov 2025
John Lister Chief Administrative Officer 07 Nov 2025
Thomas P. Lynch General Counsel, Chief Compliance Officer and Secretary 07 Nov 2025
Firat Ileri Director, 10%+ Owner 06 Nov 2025
Ross Taylor Chief Financial Officer 07 Nov 2025
David Tsao Chief Technology Officer, Director 07 Nov 2025
Bosch John Roderick Ten Senior Vice President of Laboratory Operations 07 Nov 2025
Shan Riku Sakakibara Chief Product Officer 07 Nov 2025
Nancy JoAnn Johnson Senior Vice President of Sales and Commercial Operations 07 Nov 2025
NeoTribe Ventures I, L.P. 10%+ Owner 07 Nov 2025
Oguzhan Atay Chairman and Chief Executive Officer, Director 07 Nov 2025

Recent Insider Transactions by Companies or Individuals for BillionToOne, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Anthony Pagano Class A Common Stock Award 4,896 4,896 01 Jan 2026 Direct
Humming Bird Ventures Management NV BLLN Class A Common Stock Other 7,887,187 2,631,664 07 Nov 2025 See Footnotes
Humming Bird Ventures Management NV BLLN Common Stock Other -100% -7,887,187 0 07 Nov 2025 See Footnotes
Humming Bird Ventures Management NV BLLN Common Stock Conversion of derivative security 7,707,188 2,631,664 07 Nov 2025 See Footnotes
Humming Bird Ventures Management NV BLLN Series A-6 Convertible Preferred Stock Conversion of derivative security -100% -2,260,520 0 07 Nov 2025 See Footnotes
Humming Bird Ventures Management NV BLLN Series A-2 Convertible Preferred Stock Conversion of derivative security -100% -33,000 0 07 Nov 2025 See Footnotes
Humming Bird Ventures Management NV BLLN Series A-1 Convertible Preferred Stock Conversion of derivative security -100% -20,000 0 07 Nov 2025 See Footnotes
Humming Bird Ventures Management NV BLLN Series D Convertible Preferred Stock Conversion of derivative security -100% -446,103 0 07 Nov 2025 See Footnotes
Humming Bird Ventures Management NV BLLN Series C Convertible Preferred Stock Conversion of derivative security -100% -1,706,303 0 07 Nov 2025 See Footnotes
Humming Bird Ventures Management NV BLLN Series B-1 Convertible Preferred Stock Conversion of derivative security -100% -2,280,222 0 07 Nov 2025 See Footnotes
Humming Bird Ventures Management NV BLLN Series B-2 Convertible Preferred Stock Conversion of derivative security -100% -961,090 0 07 Nov 2025 See Footnotes
Oguzhan Atay Class A Common Stock Other -100% -2,227,542 0 07 Nov 2025 Direct
Oguzhan Atay Class A Common Stock Other 200,000 200,000 07 Nov 2025 By spouse
Oguzhan Atay Class A Common Stock Other 2,227,542 2,227,542 07 Nov 2025 Direct
Oguzhan Atay Common Stock Other -100% -200,000 0 07 Nov 2025 By spouse
Oguzhan Atay Common Stock Other -100% -2,227,542 0 07 Nov 2025 Direct
Oguzhan Atay Common Stock Conversion of derivative security 262,434 262,434 07 Nov 2025 Direct
Oguzhan Atay Stock Option (right to buy) Other 1,643,102 1,003,102 07 Nov 2025 Direct
Oguzhan Atay Stock Option (right to buy) Other -100% -1,643,102 0 07 Nov 2025 Direct
Oguzhan Atay Class B Common Stock Other 2,227,542 2,227,542 07 Nov 2025 Direct
Oguzhan Atay Series A-1 Convertible Preferred Stock Conversion of derivative security -100% -262,434 0 07 Nov 2025 Direct
David Tsao Class A Common Stock Purchase 1,000 1,000 07 Nov 2025 Direct
David Tsao Class A Common Stock Other -100% -2,325,108 0 07 Nov 2025 Direct
David Tsao Class A Common Stock Other 2,325,108 2,325,108 07 Nov 2025 Direct
David Tsao Common Stock Other -100% -2,325,108 0 07 Nov 2025 Direct
David Tsao Stock Option (right to buy) Other 1,141,551 640,000 07 Nov 2025 Direct
David Tsao Stock Option (right to buy) Other -100% -1,141,551 0 07 Nov 2025 Direct
David Tsao Class B Common Stock Other 2,325,108 2,325,108 07 Nov 2025 Direct
Shan Riku Sakakibara Class A Common Stock Other 220,000 220,000 07 Nov 2025 Direct
Shan Riku Sakakibara Common Stock Other -100% -220,000 0 07 Nov 2025 Direct
Shan Riku Sakakibara Stock Option (right to buy) Other 155,000 65,000 07 Nov 2025 Direct
Shan Riku Sakakibara Stock Option (right to buy) Other -100% -155,000 0 07 Nov 2025 Direct
Bosch John Roderick Ten Class A Common Stock Purchase 2.16% 800 37,800 07 Nov 2025 Direct
Bosch John Roderick Ten Class A Common Stock Other 37,000 37,000 07 Nov 2025 Direct
Bosch John Roderick Ten Common Stock Other -100% -37,000 0 07 Nov 2025 Direct
Bosch John Roderick Ten Stock Option (right to buy) Other 131,000 37,500 07 Nov 2025 Direct
Bosch John Roderick Ten Stock Option (right to buy) Other -100% -131,000 0 07 Nov 2025 Direct
Nancy JoAnn Johnson Class A Common Stock Purchase 23.8% 6,900 35,900 07 Nov 2025 Direct
Nancy JoAnn Johnson Class A Common Stock Other 29,000 29,000 07 Nov 2025 Direct
Nancy JoAnn Johnson Common Stock Other -100% -29,000 0 07 Nov 2025 Direct
Nancy JoAnn Johnson Stock Option (right to buy) Other 275,000 125,000 07 Nov 2025 Direct
Nancy JoAnn Johnson Stock Option (right to buy) Other -100% -275,000 0 07 Nov 2025 Direct
Akshay Rai Class A Common Stock Purchase 22.7% 2,500 13,509 07 Nov 2025 Direct
Ross Taylor Stock Option (right to buy) Other 250,000 175,000 07 Nov 2025 Direct
Ross Taylor Stock Option (right to buy) Other -100% -250,000 0 07 Nov 2025 Direct
Thomas P. Lynch Class A Common Stock Purchase 16.7% 100 700 07 Nov 2025 Direct
Thomas P. Lynch Class A Common Stock Other 600 600 07 Nov 2025 Direct
Thomas P. Lynch Common Stock Other -100% -600 0 07 Nov 2025 Direct
Thomas P. Lynch Stock Option (right to buy) Other 144,400 79,400 07 Nov 2025 Direct
Thomas P. Lynch Stock Option (right to buy) Other -100% -144,400 0 07 Nov 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.