| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date |
|---|
ADCOCK J MICHAEL
Director | Acquisition (Non Open Market)
May 1, 2013 | 5,375
May 1, 2013 | CHRISTOPHER GARY R
Director | Acquisition (Non Open Market)
May 1, 2013 | 17,375
May 1, 2013 | CROMLING JOHN
Officer | Disposition (Non Open Market)
Mar 31, 2013 | 64,538
Mar 31, 2013 | GEORGE KAISER FAMILY FOUNDATION
Beneficial Owner (10% or more) | Sale
Dec 4, 2011 | 4,795,271
Dec 4, 2011 | GUIDRY BRAD
Officer | Disposition (Non Open Market)
Mar 31, 2013 | 58,666
Mar 31, 2013 | HAYES DON A
Officer | Disposition (Non Open Market)
Mar 8, 2013 | 18,073
Mar 8, 2013 | HILDEBRAND STEVEN B
Director | Acquisition (Non Open Market)
May 1, 2013 | 8,375
May 1, 2013 | MERRILL DAVID T
Officer | Disposition (Non Open Market)
Mar 31, 2013 | 59,089
Mar 31, 2013 | MORGAN WILLIAM B
Director | Acquisition (Non Open Market)
May 1, 2013 | 12,875
May 1, 2013 | NIKKEL JOHN G
Director | Acquisition (Non Open Market)
May 1, 2013 | 57,490
May 1, 2013 | PARKS ROBERT
Officer | Disposition (Non Open Market)
Mar 31, 2013 | 31,019
Mar 31, 2013 | PAYNE LARRY C
Director | Acquisition (Non Open Market)
May 1, 2013 | 5,375
May 1, 2013 | PEYTON G BAILEY IV
Director | Acquisition (Non Open Market)
May 1, 2013 | 11,925
May 1, 2013 | PINKSTON LARRY D
Officer | Disposition (Non Open Market)
Mar 31, 2013 | 170,431
Mar 31, 2013 | SCHELL MARK E
Officer | Sale
May 16, 2013 | 73,710
May 16, 2013 | SULLIVAN ROBERT J JR
Director | Acquisition (Non Open Market)
May 1, 2013 | 5,375
May 1, 2013 | WILLIAMS JOHN H
Director | Sale
Dec 3, 2012 | 3,734
Dec 3, 2012 |
|
0.30(0.67%) Jun 19, 4:04PM EDT