Oguzhan Atay - Chairman and Chief Executive Officer, Director at BillionToOne, Inc.

Insider Transactions and Holdings

Entity Type: Individual
Role: Chairman and Chief Executive Officer, Director
Issuer Symbol: BLLN on Nasdaq
All Insider Reports: All Insider Reports

There are no Buy or Sell transactions made by Oguzhan Atay since 24 May 2025

Holdings reported by Oguzhan Atay for BillionToOne, Inc.

Form 4 holding Chairman and Chief Executive Officer, Director

BillionToOne, Inc.

Security class: Class B Common Stock
Shares / value: 2,227,542
Estimated value
Report date: 07 Nov 2025
Price
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount

Form 4 holding Chairman and Chief Executive Officer, Director

BillionToOne, Inc.

Security class: Stock Option (right to buy)
Shares / value: 1,003,102
Estimated value
Report date: 07 Nov 2025
Price
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount

Form 4 holding Chairman and Chief Executive Officer, Director

BillionToOne, Inc.

Security class: Class A Common Stock
Shares / value: 200,000
Estimated value
Report date: 07 Nov 2025
Price
Ownership: By spouse

Form 4 holding Chairman and Chief Executive Officer, Director

BillionToOne, Inc.

Security class: Class A Common Stock
Shares / value: 0
Estimated value
Report date: 07 Nov 2025
Price
Ownership: Direct

Form 4 holding Chairman and Chief Executive Officer, Director

BillionToOne, Inc.

Security class: Common Stock
Shares / value: 0
Estimated value
Report date: 07 Nov 2025
Price
Ownership: By spouse

Form 4 holding Chairman and Chief Executive Officer, Director

BillionToOne, Inc.

Security class: Common Stock
Shares / value: 0
Estimated value
Report date: 07 Nov 2025
Price
Ownership: Direct

Form 4 holding Chairman and Chief Executive Officer, Director

BillionToOne, Inc.

Security class: Series A-1 Convertible Preferred Stock
Shares / value: 0
Estimated value
Report date: 07 Nov 2025
Price
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Transactions reported by Oguzhan Atay for BillionToOne, Inc.

Sym	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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