Welcome to our dedicated page for Silicon Motion Technology SEC filings (Ticker: SIMO), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Silicon Motion Technology Corporation (SIMO) files reports and exhibits with the U.S. Securities and Exchange Commission as a foreign private issuer, providing investors with detailed information about its NAND flash controller and SSD solutions business. As a company that describes itself as the global leader in supplying NAND flash controllers for solid state storage devices, its SEC filings offer structured insight into financial performance, risk factors, and operational priorities across consumer, enterprise, automotive, industrial, and data center storage markets.
This SEC filings page surfaces Silicon Motion’s submissions to the SEC, including Form 20-F annual reports and Form 6-K current reports that furnish press releases and other updates. Recent 6-K filings, for example, have attached earnings releases, dividend announcements, and other corporate communications, and have identified Silicon Motion Technology Corporation as a Form 20-F filer with principal executive offices in Hong Kong. These documents expand on topics such as SSD controller sales, eMMC+UFS controller sales, SSD solutions sales, gross and operating margins, non-GAAP reconciliations, and capital return policies like dividends and share repurchase programs.
Through Stock Titan, users can access Silicon Motion’s SEC filings with real-time updates from EDGAR and AI-powered summaries that explain key sections in clear language. Long-form annual reports (Form 20-F) and quarterly or interim information furnished on Form 6-K can be reviewed with AI-generated highlights that point to important disclosures on revenue composition, geographic exposure, non-GAAP adjustments, and risk factors such as customer concentration, supply chain conditions, geopolitical tensions, and technology transitions.
In addition, this page provides convenient access to filings related to shareholder returns and equity compensation, such as documents incorporated by reference into Form S-8 registration statements. Users interested in Silicon Motion’s regulatory history, business evolution, and financial reporting practices can use the SIMO filings page to examine original SEC documents alongside AI explanations that help interpret the technical details.
Silicon Motion Technology Corp director Shieh Han-Ping filed an initial Form 3 reporting existing holdings. The filing shows direct ownership of 8,655.8700 American depositary shares (ADS) of Silicon Motion Technology Corp following the reported position. Each ADS represents four ordinary shares of the company.
Silicon Motion Technology Corp director Chen Shiang Feng has filed an initial ownership report showing direct holdings of 27,800 American depositary shares (ADS). Each ADS represents four ordinary shares of the company, so this filing simply establishes his existing equity position without reporting any recent trades.
Silicon Motion Technology Corp director LIN KUAN-MING filed an initial Form 3 reporting beneficial ownership of 10,500 American depositary shares, held directly. Each American depositary share represents four ordinary shares of Silicon Motion Technology Corp.
Silicon Motion Technology Corp director LIU LIEN CHUN has reported initial holdings of 73,870 American depositary shares (ADS). This Form 3 filing establishes the director’s ownership position in Silicon Motion. Each ADS represents four ordinary shares of the company, giving investors a clearer view of this board member’s equity stake.
Silicon Motion Technology Corp director Chung Tsung-Ming has filed an initial ownership report showing he holds 7,500 American depositary shares (ADS) directly. Each ADS represents four ordinary shares of Silicon Motion Technology Corp. This Form 3 does not reflect any recent buy or sell transaction, only existing holdings.
Silicon Motion Technology Corp director Chow Pongchi James has filed an initial ownership report. The Form 3 discloses direct beneficial ownership of 415,916.5 American depositary shares as of 2026-03-18. Each American depositary share represents four ordinary shares of Silicon Motion Technology Corp.
Silicon Motion Technology CORP director Duann Shii Tyng filed an initial ownership report on Form 3. The filing shows direct ownership of 16,700 American depositary shares. Each American depositary share represents four ordinary shares of Silicon Motion Technology Corp., as described in the footnote.
Silicon Motion Technology reported a Form 144 notice showing 2,000 common shares listed under "Securities To Be Sold" with Fidelity Brokerage Services LLC and dated 02/24/2026. The filing also records a prior sale of 1,000 common shares by Robert C. Fan on 12/12/2025 for $90,490.70.
Silicon Motion Technology reported strong growth for the fourth quarter of 2025, with revenue of $278.5 million, up 15% from the prior quarter and 46% from a year earlier. GAAP diluted EPS rose to $1.41, while non-GAAP diluted EPS reached $1.26.
For full-year 2025, net sales were $885.6 million, up 10% year over year, with GAAP diluted EPS of $3.64 and non-GAAP diluted EPS of $3.55. Management expects first-quarter 2026 revenue of $292–$306 million, implying 5–10% sequential growth and 76–84% growth from the prior year, and has set an annual cash dividend of $2.00 per ADS, paid quarterly.
Silicon Motion Technology Corporation filed a Form 6-K to confirm its previously declared quarterly cash dividend. The Board had approved an annual dividend of US$2.00 per ADS, equivalent to US$0.50 per ordinary share, to be paid in four equal quarterly installments.
The next quarterly installment of US$0.50 per ADS, or US$0.125 per ordinary share, will be paid on February 26, 2026 to shareholders of record on February 11, 2026. The company notes that any future dividends will remain at the discretion of the Board and subject to legal and contractual considerations.