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( Mark One ) р UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 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 Form 10 - K Delaware ( State or other jurisdiction of incorporation or organization ) Title of Each Class Common Stock , $ 1.00 par value Commission file number : 0-10546 LAWSON PRODUCTS , INC . ( Exact Name of Registrant as Specified in Charter ) 8770 W. Bryn Mawr Avenue , Suite 900 , Chicago , Illinois 60631 ( Address of principal executive offices ) Registrant's telephone number , including area code : ( 773 ) 304-5050 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol LAWS 36-2229304 ( I.R.S. Employer Identification No. ) Securities registered pursuant to Section 12 ( g ) of the Act : None ( Title of class ) Large accelerated filer o Non - accelerated filer o ( Do not check if a smaller reporting company ) Name of Each Exchange on Which Registered The NASDAQ Stock Market LLC ( NASDAQ Global Select Market ) No p Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes o No p Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Exchange Act . Yes o 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 þ No O 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 and post such files ) . Yes p No O Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company or emerging growth company . See the definitions of " large accelerated filer , ” “ accelerated filer " , " smaller reporting company " and " emerging growth company " Rule 12b - 2 of the Exchange Act . ( Check one ) Accelerated filer Smaller reporting Company Emerging Growth Company DOCUMENTS INCORPORATED BY REFERENCE 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 o 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 . þ Indicate by check mark whether the registrant is a shell company ( as defined by Rule 12b - 2 of the Exchange Act ) . Yes o No p The aggregate market value of the registrant's voting stock held by non - affiliates on June 30 , 2020 , based upon the closing price of the registrant's Common Stock on that date , was approximately $ 141,259,000 . As of January 31 , 2021 , 9,061,039 shares of Common Stock were outstanding . р р 0 The following documents are incorporated into this Form 10 - K by reference : Part III incorporates information by reference to the registrant's definitive proxy statement , to be filed with the Securities and Exchange Commission within 120 days after the close of the fiscal year .