<SEC-DOCUMENT>0000914374-15-000055-index.html : 20150310 <SEC-HEADER>0000914374-15-000055.hdr.sgml : 20150310 <ACCEPTANCE-DATETIME>20150310164718 ACCESSION NUMBER: 0000914374-15-000055 CONFORMED SUBMISSION TYPE: DEF 14A PUBLIC DOCUMENT COUNT: 5 CONFORMED PERIOD OF REPORT: 20150310 FILED AS OF DATE: 20150310 DATE AS OF CHANGE: 20150310 EFFECTIVENESS DATE: 20150310 FILER: COMPANY DATA: COMPANY CONFORMED NAME: SOUTHWEST BANCORP INC CENTRAL INDEX KEY: 0000914374 STANDARD INDUSTRIAL CLASSIFICATION: NATIONAL COMMERCIAL BANKS [6021] IRS NUMBER: 731136584 STATE OF INCORPORATION: OK FISCAL YEAR END: 1220 FILING VALUES: FORM TYPE: DEF 14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-34110 FILM NUMBER: 15689719 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>DEF 14A <SEQUENCE>1 <FILENAME>oksb-20150310xdef14a.htm <DESCRIPTION>DEF 14A <TEXT> Document 1 - file: oksb-20150310xdef14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>oksb-20150310xdef14ag001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: oksb-20150310xdef14ag001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>oksb-20150310xdef14ag002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: oksb-20150310xdef14ag002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>oksb-20150310xdef14ag003.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: oksb-20150310xdef14ag003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>oksb-20150310xdef14ag004.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: oksb-20150310xdef14ag004.jpg
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