The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Duann Shii Tyng since 2026.
This trader's CIK number is 1993728.
At the time of last reporting, Duann Shii Tyng was the Officer of Silicon Motion Technology Corp. (stock ticker symbol SIMO).
Also see all insider trading activities at Silicon Motion Technology Corp.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2026 | SIMO | 0 | $0 | 1,500 | $367,500 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-05-06 | SIMO | Sale | 1,500 | 245.00 | 367,500 |
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 Duann Shii Tyng (Officer of Silicon Motion Technology Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.