Insider Trading: MarkWest Energy Partners LP (MWE)

MWE on New York Consolidated

68.84USD
20 May 2013
Price Change (% chg)

$1.44 (+2.14%)
Prev Close
$67.40
Open
$67.71
Day's High
$68.85
Day's Low
$67.40
Volume
496,807
Avg. Vol
685,821
52-wk High
$68.85
52-wk Low
$45.36

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FOX MOUNSEY ANNE E
Trading Date Type Shares Traded Price Shares Held
25 Jan 2012 Buy 1,043 $0.00 94,681
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Institutional Holders

% Shares Owned: 58.25%
# of Holders: 276
Total Shares Held: 75,938,250
3 Mo. Net Change: 1,621,105
# New Positions: 33
# Closed Positions: 24
# Increased Positions: 141
# Reduced Positions: 85
# Net Buyers: 56

Officers & Directors

Name Age Since Current Position

Frank Semple

 60 2008 Chairman of the Board, President, Chief Executive Officer of MarkWest Energy GP, L.L.C

Nancy Buese

 43 2006 Chief Financial Officer, Senior Vice President of MarkWest Energy GP, L.L.C

John Mollenkopf

 50 2006 Chief Operations Officer, Senior Vice President of MarkWest Energy GP, L.L.C

C. Corwin Bromley

 54 2004 Senior Vice President, General Counsel, Secretary of MarkWest Energy GP, L.L.C

Randy Nickerson

 50 2006 Senior Vice President, Chief Commercial Officer of MarkWest Energy GP, L.L.C

Donald Wolf

 69 2010 Lead Independent Director of MarkWest Energy GP, L.L.C

Keith Bailey

 70 2005 Independent Director of MarkWest Energy GP, L.L.C

Michael Beatty

 65 2008 Independent Director of MarkWest Energy GP, L.L.C

Charles Dempster

 69 2002 Independent Director of MarkWest Energy GP, L.L.C

Anne Fox Mounsey

 45 2008 Independent Director of MarkWest Energy GP, L.L.C

Donald Heppermann

 69 2004 Independent Director of MarkWest Energy GP, L.L.C

Randall Larson

 55 2011 Independent Director of MarkWest Energy GP, L.L.C

William Nicoletti

 67 2002 Independent Director of MarkWest Energy GP, L.L.C
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