<ACCESSION-NUMBER>0001193125-19-277919 <TYPE>S-4/A <PUBLIC-DOCUMENT-COUNT>6 <FILING-DATE>20191030 <DATE-OF-FILING-DATE-CHANGE>20191029 <FILER> <COMPANY-DATA> <CONFORMED-NAME>FIRST FINANCIAL BANKSHARES INC <CIK>0000036029 <ASSIGNED-SIC>6022 <IRS-NUMBER>750944023 <STATE-OF-INCORPORATION>TX <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>S-4/A <ACT>33 <FILE-NUMBER>333-234254 <FILM-NUMBER>191176771 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>400 PINE STREET <STREET2>P.O. BOX 701 <CITY>ABILENE <STATE>TX <ZIP>79601 <PHONE>325.627.7167 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>P.O. BOX 701 <CITY>ABILENE <STATE>TX <ZIP>79604 </MAIL-ADDRESS> </FILER>