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Filings:
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10-K Annual Reports
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Proxy Statements
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Statement of acquisition
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Date
Form
Description
View
2/16/2012
4
Statement of Changes in Beneficial Ownership
for
Cromling John
2/16/2012
4
Statement of Changes in Beneficial Ownership
for
Guidry Brad
2/16/2012
4
Statement of Changes in Beneficial Ownership
for
MERRILL DAVID T
2/16/2012
4
Statement of Changes in Beneficial Ownership
for
Hayes Don A
2/16/2012
4
Statement of Changes in Beneficial Ownership
for
Parks Robert
2/16/2012
4
Statement of Changes in Beneficial Ownership
for
SCHELL MARK E
2/14/2012
SC 13G/A
Amended Statement of Ownership
2/14/2012
SC 13G/A
Amended Statement of Ownership
2/9/2012
SC 13G
Statement of Ownership
2/7/2012
8-K
Current Report
1/23/2012
SC 13G/A
Amended Statement of Ownership
12/28/2011
4
Statement of Changes in Beneficial Ownership
for
PINKSTON LARRY D
12/6/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
12/5/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
12/1/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
11/22/2011
8-K
Current Report
11/18/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
11/15/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
11/9/2011
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
11/3/2011
10-Q
Quarterly Report
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