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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K > ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 OR □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number : 001-33767 Lumber Liquidators Holdings , Inc. ( Exact Name of Registrant as Specified in its Charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 4901 Bakers Mill Lane , Richmond , Virginia ( Address of principal executive offices ) LL Flooring ™ LUMBER LIQUIDATORS Title of each class Common Stock , par value $ 0.001 per share ( 804 ) 463-2000 ( Registrant's telephone number , including area code ) ( I.R.S. Employer Identification No. ) Securities registered pursuant to Section 12 ( b ) of the Act : 27-1310817 Trading Symbol : LL Securities registered pursuant to Section 12 ( g ) of the Act : None 23230 ( Zip Code ) Name of each exchange on which registered New York Stock Exchange Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes > No 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 No 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 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 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 definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . ( Check one ) : Large accelerated filer Accelerated filer Non - accelerated filer Smaller reporting company 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 . 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 As of June 30 , 2020 , the last business day of the registrant's most recent second quarter , the aggregate market value of the registrant's common stock held by non - affiliates of the registrant was $ 392.4 million based on the closing sale price as reported on the New York Stock Exchange . Indicate the number of shares outstanding of each of the registrant's classes of common stock as of February 23 , 2021 : Title of Class Common Stock , $ 0.001 par value Number of Shares 28,910,579 DOCUMENTS INCORPORATED BY REFERENCE Part III incorporates certain information by reference from the registrant's proxy statement for the 2021 annual meeting of stockholders , which will be filed no later than 120 days after the close of the registrant's fiscal year ended December 31 , 2020 .