Insider Trading: MarkWest Energy Partners LP (MWE)

MWE on New York Consolidated

69.06USD
21 May 2013
Price Change (% chg)

$0.22 (+0.32%)
Prev Close
$67.40
Open
$68.90
Day's High
$69.81
Day's Low
$68.75
Volume
689,318
Avg. Vol
687,631
52-wk High
$69.81
52-wk Low
$45.36

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NICKERSON RANDY S Options Exercised: 0
Trade Date: Tuesday, 3 Apr 2012 Price: 58.57
Title: Officer Shares Held: 250,570
Type Traded: Direct Net Change in Shares This Filing: -4,100

Institutional Holders

% Shares Owned: 58.25%
# of Holders: 275
Total Shares Held: 75,936,100
3 Mo. Net Change: 1,618,955
# New Positions: 33
# Closed Positions: 25
# Increased Positions: 141
# Reduced Positions: 87
# Net Buyers: 54

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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