The stock of Bank of Kansas' parent company, Southwest Bancorp, Inc., can be purchased with the ticker symbol OKSB. The stock is traded on the NASDAQ stock exchange. Any stock broker can assist you. Stillwater National Bank & Trust Company (and it's affiliates: SNB Bank of Austin, SNB Bank of Chickasha, SNB Bank of Dallas, SNB Bank of Oklahoma City, SNB McMullen Bank, SNB Bank of San Antonio and SNB Bank of Tulsa) is a sister bank also owned by Southwest Bancorp Inc.