Results of Operations · Reg FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549   FORM 8-K     CURRENT REPORT Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934   Date of Report (Date of earliest event reported): December 2, 2020   SEMTECH CORP ORATION (Exact name of registrant as specified in its charter)   Delaware (State or other jurisdiction of incorporation)   001-06395   95-2119684 (Commission File Number)   (IRS Employer Identification No.)   200 Flynn Road Camarillo , California   93012-8790 (Address of principal executive offices)   (Zip Code)   805 - 498-2111 Registrant’s telephone number, including area code   Not applicable  (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:   ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)   ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)   ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))   ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))   Securities registered pursuant to Section 12(b) of the Exchange Act: Title of each class   Trading Symbol(s)   Name of each exchange on which registered Common Stock, par value $0.01 per share   SMTC   The Nasdaq Global Select Market Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).  Emerging growth company ☐   If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐ Item 2.02 Results of Operations and Financial Condition.       On December 2, 2020, the Registrant issued a press release announcing its financial results for the third quarter of fiscal year 2021, which ended October 25, 2020. A copy of the press release is attached hereto as Exhibit 99.1.     Item 7.01 Regulation FD Disclosure.       On December 2, 2020, the Registrant issued a press release containing forward-looking statements, including with respect to its future performance and financial results. A copy of the press release is attached hereto as Exhibit 99.1.     Item 9.01 Financial Statements and Exhibits.       (d) Exhibits       Exhibit 99.1           Press Release of the Registrant dated December 2, 2020. (This Exhibit 99.1 is being furnished and shall not be deemed "filed".)       Exhibit 104           The Cover Page from this Current Report on Form 8-K formatted in Inline XBRL (included as Exhibit 101)       The information contained in Item 2.02, Item 7.01 and Exhibit 99.1 of this Current Report on Form 8-K hereto is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. The information in Item 2.02, Item 7.01 and Exhibit 99.1 hereto shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference to Item 2.02, Item 7.01 and Exhibit 99.1, as applicable in such filing. 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:     December 2, 2020 /s/ Emeka N. Chukwu   Name:      Emeka N. Chukwu   Title:        Chief Financial Officer