X0607 3 2026-03-18 0 0001329394 Silicon Motion Technology CORP SIMO 0002014102 LIN KUAN-MING true C/O SILICON MOTION TECHNOLOGY CORP. FLAT C, 19/F, WING CHEONG COMMERCIAL BLD HONG KONG ISLAND F5 00000 TAIWAN true American depositary shares 10500 D Each American depositary share represents four ordinary shares, US$0.01 par value per share, of Silicon Motion Technology Corp. /s/ Kuan-Ming Lin 2026-03-27