SMCI: Other company developments

Item 8.01 Other Events Supermicro today announced that its Board of Directors has declared a cash dividend on the Company’s 7.00% Series A Mandatory Convertible Preferred Stock (the “Mandatory Convertible Preferred Stock”). The Board of Directors declared the initial cash dividend of $14.7778 per share of Mandatory Convertible Preferred Stock, which is equivalent to $0.73889 per depositary share. Each depositary share represents a 1/20th fractional interest in a share of Mandatory Convertible Preferred Stock and is listed on the Nasdaq Global Select Market under the symbol “SMCIP.” The dividend is payable on September 1, 2026 to holders of record of the depositary shares as of the close of business on August 15, 2026. Item 9.01 Financial Statements and Exhibits (d) Exhibits Exhibit Number Description 104 The cover page from this Current Report on Form 8-K, formatted in Inline XBRL. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. SUPER MICRO COMPUTER, INC. Date: August 5, 2026 By: /s/ Charles Liang President, Chief Executive Officer and Chairman of the Board (Principal Executive Officer)