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Bronco Drilling Company, Inc. (BRNC)
Date
Name
Title
Type
Security
Shares
Price
Value
Ownership
Reported
06/06/2011
CHESAPEAKE ENERGY CORP
10% Owner
Purchase
24.3M
$11.00
$267.1M
See Footnote
06/06/2011
06/06/2011
CHESAPEAKE ENERGY CORP
10% Owner
Purchase
63.6M
$11.00
$699.1M
See Footnote
06/06/2011
06/06/2011
CHESAPEAKE ENERGY CORP
10% Owner
Purchase
Common Stock, par value $0.01 per share
4.5M
$11.00
$49.7M
See Footnote
06/06/2011
06/06/2011
Control Empresarial de Capitales S.A. de C.V.
10% Owner
Other
4.2M
$11.00
$46.2M
06/06/2011
06/06/2011
Control Empresarial de Capitales S.A. de C.V.
10% Owner
Other
5.4M
$6.50
$35.4M
See footnote
06/06/2011
06/03/2011
Harrison D Frank
Chairman & CEO
Other
Common Stock
584.7k
$11.00
$6.4M
06/03/2011
06/03/2011
Hill Gary C
Director
Other
Common Stock
17.5k
$11.00
$192.5k
06/03/2011
06/03/2011
Graves Zachary M
Executive VP of Operations
Other
Common Stock
404k
$11.00
$4.4M
06/03/2011
06/03/2011
Porter Matthew S
CFO, Treasurer and Secretary
Other
Common Stock
87.8k
$11.00
$965.4k
06/03/2011
06/03/2011
Hefner Richard B
Director
Other
Common Stock
15k
$11.00
$165k
06/03/2011
06/03/2011
Dubberstein Mark
President
Other
Common Stock
289.7k
$11.00
$3.2M
06/03/2011
06/03/2011
House David W
Director
Other
Common Stock
66.2k
$11.00
$728.6k
06/03/2011
03/18/2011
Porter Matthew S
CFO, Treasurer and Secretary
Sale
Common Stock
4.5k
$9.90
$44.6k
03/18/2011
03/14/2011
Harrison D Frank
Chairman & CEO
Sale
Common Stock
5k
$10.03
$50.2k
03/14/2011
03/11/2011
Dubberstein Mark
President
Sale
Common Stock
11k
$10.07
$110.8k
03/09/2011
03/11/2011
Harrison D Frank
Chairman & CEO
Sale
Common Stock
16.4k
$10.06
$165k
03/09/2011
03/09/2011
Harrison D Frank
Chairman & CEO
Sale
Common Stock
8.6k
$10.24
$88.1k
03/09/2011
03/09/2011
Dubberstein Mark
President
Sale
Common Stock
15.6k
$10.26
$160.1k
03/09/2011
03/08/2011
Starke Steven R
Chief Accounting Officer
Sale
Common Stock
15k
$10.00
$150k
03/08/2011
02/25/2011
Porter Matthew S
CFO, Treasurer and Secretary
Payment of Exercise
Common Stock
7.2k
$8.79
$63.6k
02/25/2011
02/25/2011
Starke Steven R
Chief Accounting Officer
Payment of Exercise
Common Stock
6.9k
$8.79
$60.4k
02/25/2011
02/25/2011
Harrison D Frank
Chairman & CEO
Payment of Exercise
Common Stock
47.3k
$8.79
$415.5k
02/25/2011
02/25/2011
Graves Zachary M
Executive VP of Operations
Payment of Exercise
Common Stock
41.9k
$8.79
$367.9k
02/25/2011
02/17/2011
Dubberstein Mark
President
Sale
Common Stock
30k
$8.15
$244.5k
02/17/2011
02/17/2011
Dubberstein Mark
President
Sale
Common Stock
30k
$8.15
$244.5k
02/17/2011
01/13/2011
Dubberstein Mark
President
Sale
Common Stock
20k
$6.64
$132.8k
01/12/2011
01/12/2011
Hill Gary C
Director
Grant
Common Stock
15k
$0.00
$0
01/12/2011
01/12/2011
Hefner Richard B
Director
Grant
Common Stock
15k
$0.00
$0
01/12/2011
01/12/2011
Harrison D Frank
Chairman & CEO
Grant
Common Stock
105.9k
$0.00
$0
01/12/2011
01/12/2011
Graves Zachary M
Executive VP of Operations
Grant
Common Stock
102.7k
$0.00
$0
01/12/2011
01/12/2011
Porter Matthew S
CFO, Treasurer and Secretary
Grant
Common Stock
39.5k
$0.00
$0
01/12/2011
01/12/2011
House David W
Director
Grant
Common Stock
15k
$0.00
$0
01/12/2011
01/12/2011
Starke Steven R
Chief Accounting Officer
Grant
Common Stock
21.3k
$0.00
$0
01/12/2011
01/12/2011
Snipes William R
Director
Grant
Common Stock
15k
$0.00
$0
01/12/2011
01/12/2011
Graves Zachary M
Executive VP of Operations
Sale
Common Stock
9.1k
$6.95
$63.6k
01/11/2011
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