<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>