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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 0000-10792 Horizon Bancorp , Inc. ( Exact name of registrant as specified in its charter ) Indiana ( State or other jurisdiction of incorporation or organization ) Title of each class Common stock , no pa value 35-1562417 515 Franklin Street , Michigan City , Indiana 46360 ( Address of principal executive offices ) ( Zip Code ) Registrant's telephone number , including area code : 219-879-0211 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) HBNC Securities registered pursuant to Section 12 ( g ) of the Act : None ( I.R.S. Employer Identification No. ) Name of each exchange on which registered The NASDAQ Stock Market , LLC 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 Exchange 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 the definitions of “ large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Large Accelerated Filer Non - Accelerated Filer 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 . Document Portions of the Registrant's Proxy Statement to be filed for its May 6 , 2021 annual meeting of shareholders Accelerated Filer Smaller Reporting Company 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 Exchange Act ) . Yes No The aggregate market value of the registrant's common stock held by non - affiliates of the registrant , based on the last sale price of such stock as of June 30 , 2020 , the last business day of the registrant's most recently completed second fiscal quarter , was approximately $ 417.7 million . As of February 25 , 2021 , the registrant had 43,919,098 shares of common stock outstanding . Documents Incorporated by Reference Part of Form 10 - K into which portion of document is incorporated Part III