SMTC: Other company developments

Item 8.01 Other Events. On August 13, 2026, Semtech Corporation (the “Company”) issued a press release announcing that it has entered into a definitive agreement to sell its cellular module business to Compal Electronics, Inc. (TWSE: 2324) for $62 million in cash, subject to customary adjustments. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated herein by reference. Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit 99.1 Press Release dated August 13, 2026 Exhibit 104 Cover Page Interactive Data File (embedded within the inline XBRL Document) SIGNATURES 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. SEMTECH CORPORATION Date: August 13, 2026 /s/ Mark Lin Name: Mark Lin Title: Chief Financial Officer