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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ( Mark One ) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED JANUARY 2 , 2021 or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO ( Title of Class ) . Common Stock , $ .01 par value Commission file number : 000-18032 HLATTICE SEMICONDUCTOR .. Delaware ( State of Incorporation ) 5555 NE Moore Court , Hillsboro , Oregon ( Address of principal executive offices ) LATTICE SEMICONDUCTOR CORPORATION ( Exact name of registrant as specified in its charter ) Large accelerated filer Smaller reporting company Registrant's telephone number , including area code : ( 503 ) 268-8000 93-0835214 ( I.R.S. Employer Identification Number ) 97124-6421 ( Zip Code ) Securities registered pursuant to Section 12 ( b ) of the Act : ( Trading Symbol ) . LSCC Securities registered pursuant to Section 12 ( g ) of the Act : None Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes ✔ No ( Name of each exchange on which registered ) . Nasdaq Global Select Market Accelerated filer Emerging growth company No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes No No ✔ Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Non - accelerated filer 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 . Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act ) . Yes No Aggregate market value of voting stock held by non - affiliates of the registrant as of June 27 , 2020 Number of shares of common stock outstanding as of February 19 , 2021 $ 3,252,740,803 136,532,920 DOCUMENTS INCORPORATED BY REFERENCE The information required by Part III of this Report , to the extent not set forth herein , is incorporated herein by reference from the registrant's definitive proxy statement relating to the 2020 Annual Meeting of Stockholders , which definitive proxy statement shall be filed with the Securities and Exchange Commission within 120 days after the end of the fiscal year to which this Report relates .