8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC  20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 30,  2016

SOUTHWEST BANCORP, INC.

(Exact name of registrant as specified in its charter)

Oklahoma	001-34110	73-1136584
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

608 South Main Street, Stillwater, Oklahoma	74074
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (405) 742-1800

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[   ]Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[   ]Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[   ]Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[   ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01.  Other Events.

On September 30,  2016,  Southwest Bancorp, Inc. (the “Company”) issued a press release announcing its plan to release its thirdquarter 2016 results after the market closes on Tuesday October 18,  2016. The Company announced that it will host an investor conference call and webcast to review the results on Wednesday, October19,2016, at 10:00 a.m. Central Time.The webcast will include a slide presentation which consists of information regarding the Company's operating and growth strategies and financial performance.The presentation materials will be posted on the Company's website on October19, 2016.The press release is attached hereto as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

(d)Exhibits:

99.1:Press Release dated September 30, 2016

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

September 30, 2016

SOUTHWEST BANCORP, INC.

By:  /s/ Joe T. Shockley, Jr.
Name:Joe T. Shockley, Jr.
Title:  Chief Financial Officer

Exhibit Index

Exhibit No.	Description	Method of Filing
99.1	Press Release dated September 30,2016	Filed herewith electronically

EX-99.1

For additional information:
           Mark W. Funke
           President & CEO
           Joe T. Shockley, Jr.
           EVP & CFO
           (405) 372-2230

For Immediate Release

Southwest Bancorp, Inc. Announces Schedule for

ThirdQuarter 2016 Earnings Release and Conference Call

September 30, 2016, Stillwater, Oklahoma . . . . Southwest Bancorp, Inc. (NASDAQ Global Select Market - OKSB), (“Southwest”), today announced that it plans to issue a news release reporting thirdquarter 2016 results after the market closes on Tuesday, October 18, 2016.  The news release will also be available at that time on Southwest’s website at www.oksb.com.

Conference Call/Internet Audio Broadcast Information

A conference call hosted by Southwest President & CEO Mark Funke and CFO Joe Shockley will be held on Wednesday, October19, 2016 at 11:00 a.m. Eastern Time (10:00 a.m. Central Time).  Investors, news media, and others may avoid any delays by pre-registering for the call using the following link to receive a special dial-in number and PIN:  http://dpregister.com/10093635.  Telephone participants who are unable to pre-register may access the call by telephone at 866-218-2402 (toll-free) or 412-902-4190 (international). 

This call is being webcast and can be accessed via a live Internet audio broadcast at Southwest’s website at www.oksb.com or http://services.choruscall.com/links/oksb161019.html.  Southwest will also post presentation slides on its website to be addressed by management during the call.  The slides will be available for download on Southwest’s website approximately one hour before the start of the call.

The webcast will be archived on www.oksb.com beginning one hour after the call and will remain accessible until November19, 2016.  A replay of the conference call can be accessed via telephone by dialing 877-344-7529 (toll-free) or 412-317-0088 (international) and entering conference number 10093635.  Telephone replay access is available until November 19, 2016.

Southwest Bancorp and Subsidiaries

Southwest is the holding company for Bank SNB, an Oklahoma state banking corporation (“Bank SNB”).  Through Bank SNB, Southwest offers commercial and consumer lending, deposit and investment services, specialized cash management, and other financial services from offices in Oklahoma, Texas, Kansas, and Colorado, and on the Internet, through Bank SNB DirectBanker®.  We were organized in 1981 as the holding company for Bank SNB, which was chartered in 1894. 

Southwest’s common stock is traded on the NASDAQ Global Select Market under the symbol OKSB. 

Caution About Forward-Looking Statements

We make forward-looking statements in this news release that are subject to risks and uncertainties.  We intend these statements to be covered by the safe harbor provision for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995.  Southwest does not intend, and undertakes no obligation, to update or revise any forward-looking statements contained in this release, whether as a result of differences in actual results, changes in assumptions, or changes in other factors affecting such statements, except as required by law.