<ACCESSION-NUMBER>0001490906-18-000026 <TYPE>8-K <PUBLIC-DOCUMENT-COUNT>3 <PERIOD>20180418 <ITEMS>7.01 <ITEMS>9.01 <FILING-DATE>20180418 <DATE-OF-FILING-DATE-CHANGE>20180418 <FILER> <COMPANY-DATA> <CONFORMED-NAME>Capitol Federal Financial Inc <CIK>0001490906 <ASSIGNED-SIC>6035 <IRS-NUMBER>000000000 <STATE-OF-INCORPORATION>MD <FISCAL-YEAR-END>0930 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>8-K <ACT>34 <FILE-NUMBER>001-34814 <FILM-NUMBER>18760513 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>700 S KANSAS AVENUE <CITY>TOPEKA <STATE>KS <ZIP>66603 <PHONE>785-235-1341 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>700 S KANSAS AVENUE <CITY>TOPEKA <STATE>KS <ZIP>66603 </MAIL-ADDRESS> </FILER>