23 filings
UPLOAD
Basin Pipeline LLC
27 Jul 10
Letter from SEC
12:00am
424B3
Markwest Energy Partners L P
21 Oct 09
Prospectus supplement
12:00am
CORRESP
MarkWest Energy Appalachia LLC
16 Oct 09
Correspondence with SEC
12:00am
S-4/A
Basin Pipeline LLC
Registration of securities issued in business combination transactions (amended)
16 Oct 09
12:00am
S-4
Markwest Energy Partners L P
Registration of securities issued in business combination transactions
2 Jul 09
12:00am
EFFECT
434f99ddqdo0xml
29 Apr 09
Notice of effectiveness
12:00am
POSASR
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2 Mar 09
Automatic shelf registration (post-effective amendment)
12:00am
424B3
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5 Aug 08
Prospectus supplement
12:00am
EFFECT
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3 Jul 08
Notice of effectiveness
12:00am
EFFECT
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23 Jan 07
Notice of effectiveness
12:00am
424B3
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23 Jan 07
Prospectus supplement
12:00am
CORRESP
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9 Jan 07
Correspondence with SEC
12:00am
CORRESP
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9 Jan 07
Correspondence with SEC
12:00am
S-3ASR
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16 Nov 06
Automatic shelf registration
12:00am
424B3
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6 Feb 06
Prospectus supplement
12:00am