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Who

Shii Tyng Duann

Director

Company insider

Files Form 4 as: Director, Silicon Motion Technology.

In numbers

Trades disclosed
2
Buys
0
Sells
1
Bought
$0
Sold
$735K
Companies
1
Companies where not an officer
1
First trade
6 May 2026
Last trade
6 May 2026
Last filed
7 May 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
SIMO Silicon Motion TechnologyDirector · Semiconductors · last 6 May 20260 buys · 1 sell

Activity over time

1 May – 1 Oct
10May 26Jun 26Aug 26Sep 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
6 May 2026filed 7 May 2026SIMO Silicon Motion TechnologySemiconductorsSEC FORM 4 Sold$368K1,500 at $245.00filing
6 May 2026filed 7 May 2026SIMO Silicon Motion TechnologySemiconductorsSEC FORM 4 Sold$368K1,500 at $245.00filing

News

Silicon Motion Technology (NASDAQ:SIMO) Shares Gap Down – Should You Sell?SIMO · themarketsdaily.com · 20 Oct 2026

0 headlines in the last 90 days name Shii Tyng Duann; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Technology1

Buys in green, sells in red, by the company’s sector.

Related people

Han-Ping ShiehDirector · Director at Silicon Motion Technology, filing Form 4 there in the last year
Kuan-Ming LinDirector · Director at Silicon Motion Technology, filing Form 4 there in the last year