<ACCESSION-NUMBER>0000875357-19-000031 <TYPE>8-K <PUBLIC-DOCUMENT-COUNT>16 <PERIOD>20190724 <ITEMS>2.02 <ITEMS>9.01 <FILING-DATE>20190724 <DATE-OF-FILING-DATE-CHANGE>20190724 <FILER> <COMPANY-DATA> <CONFORMED-NAME>BOK FINANCIAL CORP ET AL <CIK>0000875357 <ASSIGNED-SIC>6021 <IRS-NUMBER>731373454 <STATE-OF-INCORPORATION>OK <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>8-K <ACT>34 <FILE-NUMBER>001-37811 <FILM-NUMBER>19969309 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>BANK OF OKLAHOMA TOWER <STREET2>BOSTON AVENUE AT SECOND STREET <CITY>TULSA <STATE>OK <ZIP>74172 <PHONE>9185886000 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>BANK OF OKLAHOMA TOWER <STREET2>P O BOX 2300 <CITY>TULSA <STATE>OK <ZIP>74192 </MAIL-ADDRESS> </FILER>