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Date	Form	Description	View
5/6/2010	S-8	Securities Registration: Employee Benefit Plan
5/6/2010	8-K	Current Report
5/4/2010	10-Q	Quarterly Report
5/4/2010	8-K	Current Report
4/7/2010	4	Statement of Changes in Beneficial Ownership for MORGAN WILLIAM B
4/2/2010	4	Statement of Changes in Beneficial Ownership for GEORGE KAISER FAMILY FOUNDATION
4/1/2010	4	Statement of Changes in Beneficial Ownership for PINKSTON LARRY D
4/1/2010	4	Statement of Changes in Beneficial Ownership for MERRILL DAVID T
4/1/2010	4	Statement of Changes in Beneficial Ownership for SCHELL MARK E
4/1/2010	4	Statement of Changes in Beneficial Ownership for Cromling John
4/1/2010	4	Statement of Changes in Beneficial Ownership for Parks Robert
4/1/2010	4	Statement of Changes in Beneficial Ownership for Guidry Brad
3/29/2010	4	Statement of Changes in Beneficial Ownership for GEORGE KAISER FAMILY FOUNDATION
3/23/2010	4	Statement of Changes in Beneficial Ownership for HILDEBRAND STEVEN B
3/23/2010	4/A	Amended Statement of Changes in Beneficial Ownership for Hayes Don A
3/19/2010	ARS	Annual Report to Security Holders
3/19/2010	DEF 14A	Proxy Statement (definitive)
3/12/2010	8-K	Current Report
3/11/2010	4	Statement of Changes in Beneficial Ownership for PINKSTON LARRY D
3/11/2010	4	Statement of Changes in Beneficial Ownership for Parks Robert

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