Insider track record
OtherNot enough buy signals with a settled T+90 horizon to measure a track record yet.
Explore the full record of transactions filed by Tsao David. Director active across 1 company, notably BillionToOne, Inc.. In total, 13 filings have been logged. Split: 0 buy · 11 sells. Regulator: SEC (Form 4). The full history is free.
Declarations13 total
10,000 sharesClass A Common StockSEC:0002087127-26-000002:0
10,000 sharesClass A Common StockSEC:0002087127-26-000002:1
1,704 sharesClass A Common StockSEC:0002087127-26-000002:2
2,361 sharesClass A Common StockSEC:0002087127-26-000002:3
2,816 sharesClass A Common StockSEC:0002087127-26-000002:4
2,889 sharesClass A Common StockSEC:0002087127-26-000002:5
230 sharesClass A Common StockSEC:0002087127-26-000002:6
600 sharesClass A Common StockSEC:0002087127-26-000002:7
1,000 sharesClass A Common StockSEC:0002087127-26-000002:8
2,461 sharesClass A Common StockSEC:0002087127-26-000002:9
2,978 sharesClass A Common StockSEC:0002087127-26-000002:10
2,398 sharesClass A Common StockSEC:0002087127-26-000002:11
563 sharesClass A Common StockSEC:0002087127-26-000002:12