Financial reports
10-Q
2020 Q2
Quarterly report
17 Aug 20
NT 10-Q
Notice of late quarterly filing
10 Aug 20
10-Q
2020 Q1
Quarterly report
11 May 20
10-K/A
2019 FY
Annual report (amended)
28 Apr 20
10-K
2019 FY
Annual report
12 Mar 20
10-Q
2019 Q3
Quarterly report
12 Nov 19
10-Q
2019 Q2
Quarterly report
8 Aug 19
10-Q
2019 Q1
Quarterly report
9 May 19
10-K/A
2018 FY
Annual report (amended)
29 Apr 19
10-K
2018 FY
Annual report
14 Mar 19
Current reports
8-K
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard
19 Aug 20
8-K
Entry into a Material Definitive Agreement
17 Aug 20
8-K
Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement
4 Aug 20
8-K
Second Amendment to Limited Forbearance Agreement
31 Jul 20
8-K
First Amendment to Limited Forbearance Agreement
27 Jul 20
8-K
Limited Forbearance Agreement
15 Jul 20
8-K
Submission of Matters to a Vote of Security Holders
30 Jun 20
8-K
Chaparral Energy Announces First Quarter 2020 Financial and Operational Results
12 May 20
8-K
Chaparral Energy Announces Changes in Senior Management
20 Apr 20
8-K
Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
6 Apr 20
Registration and prospectus
15-12B
Securities registration termination
14 Oct 20
S-8 POS
Registration of securities for employees (post-effective amendment)
9 Oct 20
S-8 POS
Registration of securities for employees (post-effective amendment)
9 Oct 20
S-8 POS
Registration of securities for employees (post-effective amendment)
9 Oct 20
POS AM
Prospectus update (post-effective amendment)
9 Oct 20
25-NSE
Exchange delisting
1 Sep 20
S-8
Registration of securities for employees
27 Dec 19
S-8
Registration of securities for employees
13 Aug 19
8-A12B
Registration of securities on exchange
23 Jul 18
424B3
Prospectus supplement
4 May 18
Proxies
DEF 14A
Definitive proxy
15 May 20
DEF 14A
Definitive proxy
23 May 19
DEFA14A
Additional proxy soliciting materials
25 Nov 09
DEFA14A
Additional proxy soliciting materials
25 Nov 09
DEFA14A
Additional proxy soliciting materials
14 Oct 09
DEFA14A
Additional proxy soliciting materials
14 Oct 09
DEFA14A
Additional proxy soliciting materials
13 Oct 09
Other
EFFECT
Notice of effectiveness
16 Oct 20
CERT
Certification of approval for exchange listing
23 Jul 18
EFFECT
Notice of effectiveness
4 May 18
EFFECT
Notice of effectiveness
22 Jun 17
CORRESP
Correspondence with SEC
20 Jun 17
UPLOAD
Letter from SEC
16 Jun 17
EFFECT
Notice of effectiveness
24 Apr 13
UPLOAD
Letter from SEC
20 Mar 13
CORRESP
Correspondence with SEC
18 Mar 13
CORRESP
Correspondence with SEC
12 Feb 13
Ownership
SC 13G/A
LORD, ABBETT & CO. LLC
12 Feb 21
SC 13G/A
CONTRARIAN CAPITAL MANAGEMENT, L.L.C.
12 Feb 21
4
Gysle R. Shellum
29 Jun 20
4
Samuel E. Langford
29 Jun 20
4
MARCUS C ROWLAND
29 Jun 20
4
Douglas E Brooks
29 Jun 20
4
Kenneth W Moore
29 Jun 20
4
Scott Clifford Pittman
20 Apr 20
4
Hoeve Mark Wallace Ver
20 Apr 20
4
Joshua Duane Walker
2 Apr 20