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Filings:
All filings
10-K Annual Reports
10-Q Quarterly Reports
8-K Current Reports
Proxy Statements
Section 16 Forms 3, 4 & 5
Statement of acquisition
Exclude Forms 3, 4 & 5
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Date
Form
Description
View
1/10/2011
SC 13G/A
Amended Statement of Ownership
1/4/2011
4
Statement of Changes in Beneficial Ownership
for
Parks Robert
1/4/2011
4
Statement of Changes in Beneficial Ownership
for
SCHELL MARK E
1/4/2011
4
Statement of Changes in Beneficial Ownership
for
PINKSTON LARRY D
1/4/2011
4
Statement of Changes in Beneficial Ownership
for
MERRILL DAVID T
1/4/2011
4
Statement of Changes in Beneficial Ownership
for
Cromling John
1/4/2011
4
Statement of Changes in Beneficial Ownership
for
Guidry Brad
12/15/2010
4
Statement of Changes in Beneficial Ownership
for
PINKSTON LARRY D
12/15/2010
4
Statement of Changes in Beneficial Ownership
for
PINKSTON LARRY D
12/13/2010
4
Statement of Changes in Beneficial Ownership
for
SCHELL MARK E
11/4/2010
10-Q
Quarterly Report
11/4/2010
8-K
Current Report
9/28/2010
4
Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
9/28/2010
4/A
Amended Statement of Changes in Beneficial Ownership
for
GEORGE KAISER FAMILY FOUNDATION
9/17/2010
10-K/A
Annual Report - Amended
8/25/2010
4
Statement of Changes in Beneficial Ownership
for
SCHELL MARK E
8/25/2010
4
Statement of Changes in Beneficial Ownership
for
PINKSTON LARRY D
8/25/2010
4
Statement of Changes in Beneficial Ownership
for
PINKSTON LARRY D
8/25/2010
4
Statement of Changes in Beneficial Ownership
for
MERRILL DAVID T
8/25/2010
4
Statement of Changes in Beneficial Ownership
for
Parks Robert
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