320 filings
Page 12 of 16
8-K
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16 Sep 10
Entry into a Material Definitive Agreement
12:00am
8-K
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8 Sep 10
Regulation FD Disclosure
12:00am
NT 10-K
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31 Mar 10
Notice of late annual filing
12:00am
8-K
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31 Mar 10
Results of Operations and Financial Condition
12:00am
8-K
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24 Mar 10
Entry into a Material Definitive Agreement
12:00am
8-K
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1 Mar 10
JP Morgan High Yield Conference
12:00am
8-K
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8 Feb 10
Regulation FD Disclosure
12:00am
8-K
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8 Feb 10
Chaparral Energy Announces Year-End Reserves
12:00am
8-K
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15 Dec 09
Termination of a Material Definitive Agreement
12:00am
DEFA14A
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25 Nov 09
Additional proxy soliciting materials
12:00am
DEFA14A
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25 Nov 09
Additional proxy soliciting materials
12:00am
8-K
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25 Nov 09
Chaparral Energy and United Refining Energy Announce Adjusted
12:00am
8-K
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25 Nov 09
This presentation contains forward-looking statements. These forward-looking statements relate to, among other things, our
12:00am
8-K
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14 Oct 09
This presentation contains forward-looking statements. These forward-looking statements relate to, among other things, our
12:00am
DEFA14A
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14 Oct 09
Additional proxy soliciting materials
12:00am
8-K
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14 Oct 09
United Refining Energy & Chaparral Energy Merger Announcement
12:00am