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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 Commission file number : 001-13337 Ohio ( State or other jurisdiction of incorporation or organization ) 39675 Mackenzie Drive , Suite 400 , Novi , Michigan ( Address of principal executive offices ) STONERIDGE INC ( Exact name of registrant as specified in its charter ) Title of each class Common Shares , without par value Securities registered pursuant to Section 12 ( b ) of the Act : Stoneridge Large accelerated filer Smaller reporting company ( 248 ) 489-9300 Registrant's telephone number , including area code Trading Symbol ( s ) SRI 34-1598949 ( I.R.S. Employer Identification No. ) 48377 ( Zip Code ) 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 . Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . 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 . Name of each exchange on which registered New York Stock Exchange Accelerated filer X Emerging growth company X 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 ) . 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 definition of " large accelerated filer , " " accelerated filer , " " smaller reporting company " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . □ Yes X No □ Yes X No 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 . X Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act ) . Yes X No As of June 30 , 2020 , the aggregate market value of the registrant's Common Shares held by non - affiliates of the registrant was approximately $ 532.3 million . The closing price of the Common Shares on June 30 , 2020 as reported on the New York Stock Exchange was $ 20.66 per share . As of June 30 , 2020 , the number of Common Shares outstanding was 27,000,901 . The number of Common Shares outstanding as of February 19 , 2021 was 27,005,257 . DOCUMENTS INCORPORATED BY REFERENCE Definitive Proxy Statement for the Annual Meeting of Shareholders to be held on May 11 , 2021 , into Part III , Items 10 , 11 , 12 , 13 and 14 .