<SEC-DOCUMENT>0001193125-17-324968-index.html : 20171030
<SEC-HEADER>0001193125-17-324968.hdr.sgml : 20171030
<ACCEPTANCE-DATETIME>20171030162806
ACCESSION NUMBER:		0001193125-17-324968
CONFORMED SUBMISSION TYPE:	15-12B
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20171030
DATE AS OF CHANGE:		20171030
EFFECTIVENESS DATE:		20171030

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:			1019

	FILING VALUES:
		FORM TYPE:		15-12B
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34110
		FILM NUMBER:		171162669

	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>15-12B
<SEQUENCE>1
<FILENAME>d482383d1512b.htm
<DESCRIPTION>15-12B
<TEXT>
Document 1 - file: d482383d1512b.htm

</DOCUMENT>
</SEC-DOCUMENT>