The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Sakakibara Shan Riku since 2026.
This trader's CIK number is 2088547.
At the time of last reporting, Sakakibara Shan Riku was the Chief Product 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 | 16,000 | $1,665,800 | 4,000 | $34,600 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-06-24 | BLLN | Sale | 8,000 | 110.00 | 880,000 |
| 2026-06-24 | BLLN | Option Ex | 4,000 | 8.65 | 34,600 |
| 2026-06-08 | BLLN | Sale | 8,000 | 98.22 | 785,800 |
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 Sakakibara Shan Riku (Chief Product Officer of Billiontoone, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.