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Insider ActivityBLLN

Tsao David, Chief Technology Officer, Director at BillionToOne, Inc., sold $59K of BLLN

Updated Jun 20, 2026
Tsao David Chief Technology Officer, Director
BillionToOne, Inc. · $BLLN
$59K Total Value
563 Shares Traded
$104.3167 Price / Share
1,000 Shares Owned After
2026-06-17 Filing Date

Transaction Details

InsiderTsao David
TitleChief Technology Officer, Director
CompanyBillionToOne, Inc.
TickerBLLN
Transaction TypeSale
Transaction Date2026-06-15
Shares Traded563
Price Per Share$104.3167
Total Value$59K
Filed Date2026-06-17
Accession Number0002087127-26-000002

Ownership Context

Shares Owned After Transaction1,000
Ownership TypeDirect

SEC Filing

↗ View Original SEC Filing

Accession: 0002087127-26-000002

Other Insider Trades — BLLN

InsiderTitleActionValueDate
Tsao DavidChief Technology Officer, Directorsold$249K2026-06-15
Tsao DavidChief Technology Officer, Directorsold$289K2026-06-15
Tsao DavidChief Technology Officer, Directorsold$24K2026-06-15
Tsao DavidChief Technology Officer, Directorsold$100K2026-06-15
Tsao DavidChief Technology Officer, Directorsold$171K2026-06-15
Tsao DavidChief Technology Officer, Directorsold$240K2026-06-15
Tsao DavidChief Technology Officer, Directortraded$28K2026-06-15
Tsao DavidChief Technology Officer, Directorsold$300K2026-06-15
Tsao DavidChief Technology Officer, Directorsold$59K2026-06-15
Tsao DavidChief Technology Officer, Directorsold$306K2026-06-15

Other Trades by Tsao David

TickerCompanyActionValueDate
BLLNBillionToOne, Inc.traded$28K2026-06-15
BLLNBillionToOne, Inc.sold$171K2026-06-15
BLLNBillionToOne, Inc.sold$240K2026-06-15
BLLNBillionToOne, Inc.sold$289K2026-06-15
BLLNBillionToOne, Inc.sold$300K2026-06-15
BLLNBillionToOne, Inc.sold$24K2026-06-15
BLLNBillionToOne, Inc.sold$59K2026-06-15
BLLNBillionToOne, Inc.sold$100K2026-06-15
BLLNBillionToOne, Inc.sold$249K2026-06-15
BLLNBillionToOne, Inc.sold$306K2026-06-15

Full Ticker Profile

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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.

Last updated: June 20, 2026 at 07:01 UTC

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