<ACCESSION-NUMBER>0001193125-18-211470 <TYPE>S-8 POS <PUBLIC-DOCUMENT-COUNT>1 <FILING-DATE>20180702 <DATE-OF-FILING-DATE-CHANGE>20180702 <EFFECTIVENESS-DATE>20180702 <FILER> <COMPANY-DATA> <CONFORMED-NAME>INFINITY PROPERTY & CASUALTY CORP <CIK>0001195933 <ASSIGNED-SIC>6331 <IRS-NUMBER>030483872 <STATE-OF-INCORPORATION>OH <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>S-8 POS <ACT>33 <FILE-NUMBER>333-125442 <FILM-NUMBER>18933301 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>2201 4TH AVENUE NORTH <CITY>BIRMINGHAM <STATE>AL <ZIP>35203 <PHONE>205-870-4000 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>2201 4TH AVENUE NORTH <CITY>BIRMINGHAM <STATE>AL <ZIP>35203 </MAIL-ADDRESS> </FILER>