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Tsao David
Chief Technology OfficerDirectorCIK 0002087127
Total Volume
$25.9M
3 filings
Purchases
$60.0K
1 buy txns
Sales
$2.0M
11 sell txns
Net Activity
-$2.0M
net sold
Profile
- Filings
- 3
- Buy transactions
- 1
- Sell transactions
- 11
- Companies
- 1
- Active
- 2025–2026
Tsao David, Chief Technology Officer, Director, has filed 3 reports across 1 company, totaling $25.9M in disclosed volume. Sales ($2.0M) outpace purchases ($60.0K). Insider sales are common for diversification and should be read in context. All data sourced from SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
3 loaded
| Jun 17 | BLLN BillionToOne, Inc. | Tsao David | Chief Technology Officer, Director | Sell | $2.0M |
| Nov 12 | BLLN BillionToOne, Inc. | Tsao David | Insider | Buy | $60.0K |
| Nov 5 | BLLN BillionToOne, Inc. | Tsao David | Insider | Other | $0 |
3 filings