![Markwest Energy Partners L P logo](https://files.capedge.com/424B2/0001047469-15-005050/g948925.jpg)
Company profile
Employees
Location
Fiscal year end
Industry (SIC)
SEC CIK
Corporate docs
IRS number
270005456
Latest filings (excl ownership)
15-12B
Securities registration termination
31 Dec 15
EFFECT
Notice of effectiveness
21 Dec 15
EFFECT
Notice of effectiveness
21 Dec 15
EFFECT
Notice of effectiveness
21 Dec 15
EFFECT
Notice of effectiveness
21 Dec 15
EFFECT
Notice of effectiveness
21 Dec 15
EFFECT
Notice of effectiveness
21 Dec 15
8-K
MPLX and MarkWest announce successful completion of combination and director and executive appointments
10 Dec 15
POS AM
Prospectus update (post-effective amendment)
8 Dec 15
POS AM
Prospectus update (post-effective amendment)
8 Dec 15
Latest ownership filings
SC 13G/A
Markwest Energy Partners L P
3 Feb 16
SC 13D/A
Markwest Energy Partners L P
9 Dec 15
4
Nancy Buese
8 Dec 15
4
C Corwin Bromley
8 Dec 15
4
FRANK M SEMPLE
8 Dec 15
4
Paula L Rosson
8 Dec 15
4
RANDALL J LARSON
8 Dec 15
4
Mounsey Anne E Fox
8 Dec 15
4
Gregory Scott Floerke
8 Dec 15
4
MICHAEL L BEATTY
8 Dec 15