<SEC-DOCUMENT>0000914374-16-000198-index.html : 20160307
<SEC-HEADER>0000914374-16-000198.hdr.sgml : 20160307
<ACCEPTANCE-DATETIME>20160307171833
ACCESSION NUMBER:		0000914374-16-000198
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20160307
FILED AS OF DATE:		20160307
DATE AS OF CHANGE:		20160307
EFFECTIVENESS DATE:		20160307

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34110
		FILM NUMBER:		161489439

	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-20160307xdef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: oksb-20160307xdef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>oksb-20160307xdef14ag001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: oksb-20160307xdef14ag001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>oksb-20160307xdef14ag002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: oksb-20160307xdef14ag002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>oksb-20160307xdef14ag003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: oksb-20160307xdef14ag003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>oksb-20160307xdef14ag004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: oksb-20160307xdef14ag004.jpg

</DOCUMENT>
</SEC-DOCUMENT>