Filing Details

Accession Number:
0001179110-11-012516
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-08-22 18:04:41
Reporting Period:
2011-08-22
Filing Date:
2011-08-22
Filing Date Changed:
2011-08-22
Accepted Time:
2011-08-22 19:04:41
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
1216042 E Keith Bailey C/o Markwest Energy Partners, L.p.
1515 Arapahoe St. Twr 1, Ste 1600
Denver CO 80202
Yes No No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings
Common Units Acquisiton 2011-08-22 5,000 $43.23 56,983
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 P Direct
Footnotes
  1. The price reported in Column 4 is a weighted average price. These units were purchased in multiple transactions at prices ranging from $43.19 to $43.23, inclusive. The reporting person undertakes to provide to MarkWest Energy Partners, L.P., any security holder of MarkWest Energy Partners, L.P., or the staff of the Securities & Exchange Commission, upon request full information regarding the number of units sold at each separate price.
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