<SEC-DOCUMENT>0001562762-15-000229-index.html : 20150807 <SEC-HEADER>0001562762-15-000229.hdr.sgml : 20150807 <ACCEPTANCE-DATETIME>20150807163446 ACCESSION NUMBER: 0001562762-15-000229 CONFORMED SUBMISSION TYPE: S-4/A PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20150807 DATE AS OF CHANGE: 20150807 FILER: COMPANY DATA: COMPANY CONFORMED NAME: SOUTHWEST BANCORP INC CENTRAL INDEX KEY: 0000914374 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] IRS NUMBER: 731136584 STATE OF INCORPORATION: OK FISCAL YEAR END: 1220 FILING VALUES: FORM TYPE: S-4/A SEC ACT: 1933 Act SEC FILE NUMBER: 333-205521 FILM NUMBER: 151037975 BUSINESS ADDRESS: STREET 1: 608 SOUTH MAIN STREET CITY: STILLWATER STATE: OK ZIP: 74074 BUSINESS PHONE: 4053722230 MAIL ADDRESS: STREET 1: 608 SOUTH MAIN STREET CITY: STILLWATER STATE: OK ZIP: 74074 </SEC-HEADER> <DOCUMENT> <TYPE>S-4/A <SEQUENCE>1 <FILENAME>oksb-20150807xs4.htm <DESCRIPTION>S-4/A <TEXT> Document 1 - file: oksb-20150807xs4.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-8.1 <SEQUENCE>2 <FILENAME>oksb-20150807ex81c79e8eb.htm <DESCRIPTION>EX-8.1 <TEXT> Document 2 - file: oksb-20150807ex81c79e8eb.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-8.2 <SEQUENCE>3 <FILENAME>oksb-20150807ex82063c910.htm <DESCRIPTION>EX-8.2 <TEXT> Document 3 - file: oksb-20150807ex82063c910.htm
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