CHESAPEAKE OPERATING INC

Track record of CHESAPEAKE OPERATING INC

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of CHESAPEAKE OPERATING INC

Co-insiders of CHESAPEAKE OPERATING INC

• Bartlett LarryBronco Drilling Company, Inc.
• BASCOBERT PAUL JBronco Drilling Company, Inc.
• Benzer Karl WBronco Drilling Company, Inc.
• BRAUN STEVEN JBronco Drilling Company, Inc.
• Bronco Drilling Holdings, L.L.C.Bronco Drilling Company, Inc.
• CHESAPEAKE ENERGY CORPBronco Drilling Company, Inc.
• CHESAPEAKE OILFIELD SERVICES LLCBronco Drilling Company, Inc.
• CONROY WILLIAM MBronco Drilling Company, Inc.
• DANNOLFO F MARKBronco Drilling Company, Inc.
• DAVIDSON CHARLES EBronco Drilling Company, Inc.
• Dubberstein MarkBronco Drilling Company, Inc.
• Graves Zachary MBronco Drilling Company, Inc.
• GUTWILLIG GLENNBronco Drilling Company, Inc.
• Hale Steven CBronco Drilling Company, Inc.
• Harrison D FrankBronco Drilling Company, Inc.
• Hefner Richard BBronco Drilling Company, Inc.
• Hill Gary CBronco Drilling Company, Inc.
• House David WBronco Drilling Company, Inc.
• Houston David LBronco Drilling Company, Inc.
• INMON WILLIAM HBronco Drilling Company, Inc.
• JACOBS JOSEPHBronco Drilling Company, Inc.
• KALUSTIAN JAMES MBronco Drilling Company, Inc.
• Lancaster PhillipBronco Drilling Company, Inc.
• LIDDELL MIKEBronco Drilling Company, Inc.
• MADISON THOMASBronco Drilling Company, Inc.
• Marushka PaulBronco Drilling Company, Inc.
• Nomac Acquisition, Inc.Bronco Drilling Company, Inc.
• NOMAC DRILLING LLCBronco Drilling Company, Inc.
• OSTENDORF GREGORY ABronco Drilling Company, Inc.
• Porter Matthew SBronco Drilling Company, Inc.
• REINKE DAVID RBronco Drilling Company, Inc.
• SCHULER THOMAS ABronco Drilling Company, Inc.
• SCHULTZ ERIC VBronco Drilling Company, Inc.
• Snipes William RBronco Drilling Company, Inc.
• Starke Steven RBronco Drilling Company, Inc.
• Thompson Michael OBronco Drilling Company, Inc.
• WALSH JAMES TBronco Drilling Company, Inc.
• WEXFORD CAPITAL LLCBronco Drilling Company, Inc.
• Wexford Catalyst Investors LLCBronco Drilling Company, Inc.
• Wexford Spectrum Trading LTDBronco Drilling Company, Inc.