<div id="readability-page-1"><div><p><span>Duann Shii-Tyng (Nelson), Vice President of Silicon Motion Technology Corp [SIMO], filed a Form 144 on November 10, 2025 with the Securities and Exchange Commission proposing to sell restricted securities:</span></p><div><table><tbody><tr><td><span>Approximate Date Of Sale</span></td><td><span>11/11/25</span></td></tr><tr><td><span>Shares</span></td><td><span>1,000</span></td></tr><tr><td><span>Broker</span></td><td><span>Pershing LLC</span></td></tr></tbody></table></div><p><span>Prior to the sale of restricted stock, owners must file a Form 144 with the SEC.  Upon submission of the filing to the SEC the owner is permitted to sell the shares, or any fraction thereof, within 90 days.</span></p><p><span>For a free trial, or to learn more about our insider trading analysis and data services, please visit http://www.washingtonservice.com or contact us at (301) 913-5100 or send an email to info@washingtonservice.com.</span></p><p><span>Founded in 1970, The Washington Service provides securities professionals with financial, economic and public policy research and data.</span></p><span> </span></div></div>

SIMO

<p>Duann Shii-Tyng (Nelson), Vice President of Silicon Motion Technology Corp [SIMO], has filed a Form 144 with the SEC on November 10, 2025, to sell 1,000 shares of restricted securities. The sale is scheduled for approximately November 11, 2025, and will be executed through broker Pershing LLC. This filing allows the owner to sell the shares within 90 days of submission.</p>

VP Duann Files To Sell 1,000 Of Silicon Motion Technology Corp [SIMO]