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Filings:
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Date
Form
Description
View
2/17/2011
4
Statement of Changes in Beneficial Ownership
for
Cromling John
2/17/2011
4
Statement of Changes in Beneficial Ownership
for
SCHELL MARK E
2/17/2011
4
Statement of Changes in Beneficial Ownership
for
PINKSTON LARRY D
2/17/2011
4
Statement of Changes in Beneficial Ownership
for
Parks Robert
2/17/2011
4
Statement of Changes in Beneficial Ownership
for
Hayes Don A
2/17/2011
4
Statement of Changes in Beneficial Ownership
for
MERRILL DAVID T
2/17/2011
4
Statement of Changes in Beneficial Ownership
for
Guidry Brad
2/16/2011
SC 13G/A
Amended Statement of Ownership
2/14/2011
SC 13G/A
Amended Statement of Ownership
2/10/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
2/9/2011
8-K
Current Report
2/4/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
1/31/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
1/28/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
1/28/2011
4
Statement of Changes in Beneficial Ownership
for
MORGAN WILLIAM B
1/26/2011
SC 13G/A
Amended Statement of Ownership
1/24/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
1/18/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
1/14/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
1/12/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
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