The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Tsao David since 2025.
This trader's CIK number is 2087127.
At the time of last reporting, Tsao David was the Chief Technology Officer of Billiontoone, Inc.. (stock ticker symbol BLLN).
Also see all insider trading activities at Billiontoone, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2026 | BLLN | 0 | $0 | 20,000 | $2,042,840 | 20,000 | $56,000 |
| 2025 | BLLN | 1,000 | $60,000 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-06-15 | BLLN | Sale | 20,000 | 102.14 | 2,042,840 |
| 2026-06-15 | BLLN | Option Ex | 20,000 | 2.80 | 56,000 |
| 2025-11-07 | BLLN | Buy | 1,000 | 60.00 | 60,000 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Tsao David (Chief Technology Officer of Billiontoone, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.