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David Tsao

Director & Chief Technology Officer

SEC EDGAR ↗

Director & Chief Technology Officer at BillionToOne, Inc., filing insider transactions between 2025-11-07 and 2026-06-15.

Total Purchases
$60K
1 transaction
Total Sales
$2.0M
11 transactions
Companies Traded
1
12 total filings
Active Since
2025-11-07
Last: 2026-06-15

Companies

BLLN2026-06-15

BillionToOne, Inc.

↑ $60K (1)↓ $2.0M (11)

Other Reporting Insiders at BillionToOne, Inc.

  • Oguzhan Atay
    Director & Chairman and CEO
    Last filing 2026-09-28
  • Bosch John Roderick ten
    SVP of Laboratory Operations
    Last filing 2026-09-24
  • David Tsao
    Director & Chief Technology Officer
    Last filing 2026-09-24
  • Thomas P. Lynch
    See Remarks
    Last filing 2026-09-17
  • Nancy JoAnn Johnson
    See Remarks
    Last filing 2026-07-16
  • Shan Riku Sakakibara
    Chief Product Officer
    Last filing 2026-07-09
  • Nancy JoAnn Johnson
    See Remarks
    Last filing 2026-07-01

Transaction History

DateTickerTypeSharesPriceValueOwned After
2026-06-15BLLNSale600$98.74$59K10.4KSEC ↗
2026-06-15BLLNSale1,000$100.05$100K9,400SEC ↗
2026-06-15BLLNSale1,704$100.37$171K19.3K
Shan Riku Sakakibara
Chief Product Officer
Last filing 2026-06-24
SEC ↗
2026-06-15BLLNSale230$104.47$24K11.0KSEC ↗
2026-06-15BLLNSale2,361$101.55$240K16.9KSEC ↗
2026-06-15BLLNSale2,398$103.63$249K1,563SEC ↗
2026-06-15BLLNSale2,461$101.37$249K6,939SEC ↗
2026-06-15BLLNSale2,816$102.77$289K14.1KSEC ↗
2026-06-15BLLNSale2,889$103.68$300K11.2KSEC ↗
2026-06-15BLLNSale2,978$102.60$306K3,961SEC ↗
2026-06-15BLLNSale563$104.32$59K1,000SEC ↗
2025-11-07BLLNPurchase1,000$60.00$60K1,000SEC ↗