Tsao David - Insider Non-Derivative Transactions at BillionToOne, Inc. (BLLN) - (SEC)
Updated on March 12, 2026.
According to recent SEC insider information filed on Nov 7, 2025, Tsao David's relationship to BillionToOne, Inc. (BLLN) is Director,Officer (Chief Technology Officer), and currently has 2,325,108 shares of Class A Common Stock, and 0 shares of Common Stock.
The charts below show the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other BLLN insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Tsao David - Insider Non-Derivative Transactions at BLLN
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Nov 8, 2025 | J -- (Class A Common Stock) | 2325108 | 0 | 0 |
| Nov 8, 2025 | J -- (Common Stock) | 2325108 | 0 | 0 |
| Nov 8, 2025 | P -- (Class A Common Stock) | 1000 | 60 | 1000 |
| Nov 8, 2025 | J -- (Class A Common Stock) | 2325108 | 0 | 2325108 |
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