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Table of Contents 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 1934 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF FORM 10 - K For the transition period from Delaware ( State or other jurisdiction of incorporation or organization ) 1195 River Road , Marietta , Pennsylvania ( Address of principal executive offices ) Large accelerated filer OR Title of Each Class Class A Common Stock , $ .01 par value Class B Common Stock , $ .01 par value DONEGAL GROUP INC . ( Exact name of registrant as specified in its charter ) Commission file number 0-15341 to Registrant's telephone number , including area code : ( 800 ) 877-0600 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbols DGICA DGICB Accelerated filer > 23-2424711 ( I.R.S. Employer Identification No. ) 17547 ( Zip code ) Securities registered pursuant to Section 12 ( g ) of the Act : None . Indicate by check mark whether the registrant is a well - known seasoned issuer as defined in Rule 405 of the Securities Act : Yes . No X. Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Act . Yes . No X. 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 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. Non - accelerated filer The NASDAQ Global Select Market The NASDAQ Global Select Market 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 Act . ( Check one ) : Smaller reporting company