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David Tsao Insider Profile

4 Followers
David Tsao, CTO, Director at BillionToOne, Inc. Class A, holds 1.00K shares in BillionToOne, Inc. Class A (Ticker: BLLN).
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David Tsao

David Tsao
BillionToOne, Inc. Class A (BLLN)
CTO, Director

Not Ranked
David Tsao has not reported sufficient informative transactions and therefore cannot be ranked.
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$105K
100.00%
A breakdown of David Tsao's holdings
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Insider Roles

BillionToOne, Inc. Class A
(BLLN)
CTO, Director
Roles that David Tsao holds in companies
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Most Profitable Insider Trade

Currently, no data available
The most profitable trade made by David Tsao
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David Tsao's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
BLLN
BillionToOne, Inc. Class A
Jun 17, 2026
CTO, Director
Uninformative Buy
56.00K
$105.15K
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Nov 12, 2025
Uninformative Buy
$0.00
2,325,108
$0.00
―
Nov 12, 2025
Informative Buy
$60.00K
1,000
$60.00
―
Jun 17, 2026
Uninformative Buy
$56.00K
20,000
$2.80
―
Nov 12, 2025
Uninformative Sell
$0.00
4,650,216
$0.00
―
Jun 17, 2026
Uninformative Sell
$2.05M
20,000
$102.26
―
List of latest transactions for each holding click on a transaction to see David Tsao's performance on stock
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David Tsao insider profile FAQ

What is the percentage of profitable transactions made by David Tsao?
The percentage of profitable transactions made by David Tsao is ―.
    What is the average return per transaction made by David Tsao?
    The average return per transaction made by David Tsao is ―.
      What stocks does David Tsao hold?
      David Tsao holds: BLLN stocks.
        What was David Tsao’s latest transaction?
        David Tsao latest transaction was an Uninformative Buy of $56.00K.
          What was David Tsao's most profitable transaction?
          David Tsao’s most profitable transaction was an Uninformative Buy of stock on ―. The return on the trade was ―.
            What is David Tsao's role in BillionToOne, Inc. Class A?
            David Tsao's role in BillionToOne, Inc. Class A is CTO, Director.
              How can I follow the stock ratings of top corporate insiders?
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