Tsao David, Chief Technology Officer at BillionToOne, Inc. ($BLLN), made one open market purchase of company shares worth $60,000 in the last 365 days, with the most recent on November 7, 2025. This ranks him 2810th among nearly 5,000 insiders by purchase amount, below the average of 1.46 million dollars across about 3.3 transactions per insider. He reported no open market sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 7, 2025 | BillionToOne, Inc. | $BLLN | Tsao David | Chief Technology Officer | J | Common Stock | 2325108 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Nov. 7, 2025 | BillionToOne, Inc. | $BLLN | Tsao David | Chief Technology Officer | J | Class A Common Stock | 2325108 | $0.00 | 2,325,108.0000 | 0 | 9999.99% | 0.00% |
| Nov. 7, 2025 | BillionToOne, Inc. | $BLLN | Tsao David | Chief Technology Officer | J | Class A Common Stock | 2325108 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Nov. 7, 2025 | BillionToOne, Inc. | $BLLN | Tsao David | Chief Technology Officer | P | Class A Common Stock | 1000 | $60.00 | 1,000.0000 | 0 | 9999.99% | 0.00% |
| Nov. 7, 2025 | BillionToOne, Inc. | $BLLN | Tsao David | Chief Technology Officer | J | Class B Common Stock | 2325108 | $0.00 | 2,325,108.0000 | 0 | 9999.99% | 0.00% |
| Nov. 7, 2025 | BillionToOne, Inc. | $BLLN | Tsao David | Chief Technology Officer | J | Stock Option (right to buy) | 640000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Nov. 7, 2025 | BillionToOne, Inc. | $BLLN | Tsao David | Chief Technology Officer | J | Stock Option (right to buy) | 640000 | $0.00 | 640,000.0000 | 0 | 9999.99% | 0.00% |
| Nov. 7, 2025 | BillionToOne, Inc. | $BLLN | Tsao David | Chief Technology Officer | J | Stock Option (right to buy) | 501551 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Nov. 7, 2025 | BillionToOne, Inc. | $BLLN | Tsao David | Chief Technology Officer | J | Stock Option (right to buy) | 501551 | $0.00 | 501,551.0000 | 0 | 9999.99% | 0.00% |