David Tsao serves as Executive at BillionToOne, Inc., where they oversee executive responsibilities. Since joining the company, David Tsao has executed 4 insider transactions totaling $60.0K, demonstrating a bullish approach to their equity position. Their most recent transaction on Nov 7, 2025 involved transacting 2,325,108 shares valued at $0.
David Tsao currently holds 2,325,108 shares of BillionToOne, Inc. (BLLN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David Tsao has been a net buyer of BLLN stock. They have purchased $60.0K and sold $0 worth of shares.
David Tsao's most recent insider trade was on Nov 7, 2025, when they sold 2,325,108 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Nov 7, 2025 | BLLN | $0 | Other | 2,325,108 | $N/A | Discretionary |
| Nov 7, 2025 | BLLN | $60.0K | Purchase | 1,000 | $60.00 | Discretionary |