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( Mark One ) 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 : UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K 001-10607 OLD REPUBLIC INTERNATIONAL CORPORATION ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 307 North Michigan Avenue Chicago Illinois ( Address of principal executive office ) Registrant's telephone number , including area code : 312-346-8100 Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Common Stock / $ 1 par value Trading Symbol ( s ) ORI Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes : No : 36-2678171 ( IRS Employer Identification 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 : + Large accelerated filer Non - accelerated filer 60601 ( Zip Code ) 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 New York Stock Exchange 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 : XI Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , or a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definition of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . 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 . Title Proxy statement for the 2021 Annual Meeting of Shareholders Exhibits as specified in exhibit index ( page 113 ) 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 . There are 114 pages in this report Indicate by check mark whether the registrant is a shell company ( as defined in Exchange Act Rule 12b - 2 ) . Yes : No : The aggregate fair value of the registrant's voting Common Stock held by non - affiliates of the registrant ( assuming , for purposes of this calculation only , that the registrant's directors and executive officers , the registrant's various employee benefit plans and American Business & Mercantile Insurance Mutual , Inc. and its subsidiaries are all affiliates of the registrant ) , based on the closing sale price of the registrant's common stock on June 30 , 2020 , the last day of the registrant's most recently completed second fiscal quarter , was $ 4,514,251,137 . The registrant had 304,182,380 shares of Common Stock outstanding as of January 31 , 2021 . Documents incorporated by reference : The following documents are incorporated by reference into that part of this Form 10 - K designated to the right of the document title . Part III , Items 10 , 11 , 12 , 13 and 14 IV , Item 15