<SEC-DOCUMENT>0000914374-15-000126-index.html : 20151001 <SEC-HEADER>0000914374-15-000126.hdr.sgml : 20151001 <ACCEPTANCE-DATETIME>20150930180138 ACCESSION NUMBER: 0000914374-15-000126 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 3 CONFORMED PERIOD OF REPORT: 20150930 ITEM INFORMATION: Other Events ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20151001 DATE AS OF CHANGE: 20150930 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: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-34110 FILM NUMBER: 151134809 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>8-K <SEQUENCE>1 <FILENAME>oksb-20150930x8k.htm <DESCRIPTION>8-K <TEXT> Document 1 - file: oksb-20150930x8k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>oksb-20150930ex991d41501.htm <DESCRIPTION>EX-99.1 <TEXT> Document 2 - file: oksb-20150930ex991d41501.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>oksb-20150930ex991d41501g001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: oksb-20150930ex991d41501g001.jpg
</DOCUMENT> </SEC-DOCUMENT>