Filing Details

Accession Number:
0001179110-11-016696
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-12-15 18:13:38
Reporting Period:
2011-12-15
Filing Date:
2011-12-15
Filing Date Changed:
2011-12-15
Accepted Time:
2011-12-15 18:13:38
Original Submission Date:
Issuer
Cik Name Symbol Sector (SIC) IRS No
1166036 Markwest Energy Partners L P MWE Crude Petroleum & Natural Gas (1311) 270005456
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1526751 L Paula Rosson 1515 Arapahoe Street
Tower 1 Suite 1600
Denver CO 80202
Vp/chief Accounting Officer No Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings
Common Units Disposition 2011-12-15 450 $53.45 21,721
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
Footnotes
  1. Sales were effected pursuant to instructions given by the reporting person on March 7, 2011, pursuant to a Rule 10b5-1 trading plan.
  2. Amount of securities beneficially owned following the reported transaction(s) includes Common Units owned and Restricted Units subject to varying vesting terms.
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