35 results
8-K
EX-3.1
CHAP
Chaparral Energy, Inc.
27 Dec 19
Amended and Restated Support Agreement
8:29am
8-K
EX-3.1
CHAP
Chaparral Energy, Inc.
19 Dec 18
Material Modifications to Rights of Security Holders
4:14pm
8-K
EX-3.1
CHAP
Chaparral Energy, Inc.
27 Mar 17
Entry into a Material Definitive Agreement
12:00am
8-K
EX-3.2
CHAP
Chaparral Energy, Inc.
27 Mar 17
Entry into a Material Definitive Agreement
12:00am
10-K
2009 FY
EX-3.2
CHAP
Chaparral Energy, Inc.
Annual report
14 Apr 10
12:00am
10-Q
EX-3.4
ef1nl
14 Nov 06
Quarterly report
12:00am
10-Q
EX-3.2
6os14rzc hp
14 Nov 06
Quarterly report
12:00am