320 filings
Page 3 of 16
8-K
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28 May 19
Chaparral Energy Announces Robust Results from Recent Canadian County Spacing Tests
4:47pm
DEF 14A
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23 May 19
Definitive proxy
4:31pm
8-K
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8 May 19
Chaparral Energy Announces First Quarter 2019 Financial and Operational Results
4:54pm
8-K/A
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23 Apr 19
Departure of Directors or Certain Officers
5:00pm
8-K
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15 Apr 19
Chaparral Energy Announces Changes to Board of Directors
4:40pm
8-K
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14 Mar 19
Chaparral Energy Announces Fourth Quarter and Full Year 2018 Financial and Operational Results
8:06am
8-K
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13 Mar 19
Departure of Directors or Certain Officers
9:06pm
8-K
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26 Feb 19
Chaparral Energy Announces 2019 Operational and Capital Guidance, Schedules 2018 Year-end Results Call
9:21am
8-K
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15 Feb 19
Chaparral Energy Announces Chief Financial Officer Succession
4:46pm
8-K
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8 Jan 19
Chaparral Energy Announces Year-end 2018 Reserves and Provides Operational Update
5:04pm
8-K
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19 Dec 18
Material Modifications to Rights of Security Holders
4:14pm
8-K
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10 Dec 18
Chaparral Energy Announces Borrowing Base Increase
1:10pm
8-K
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13 Nov 18
Third Quarter Highlights and Recent Key Items
8:45am
8-K
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14 Aug 18
Chaparral Energy Announces Second Quarter 2018 Financial and Operational Results
9:17am
8-K
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25 Jul 18
Termination of a Material Definitive Agreement
12:00am