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Filing Details

Accession Number:
0001179110-11-009079
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-06-01 17:30:56
Reporting Period:
2011-06-01
Filing Date:
2011-06-01
Filing Date Changed:
2011-06-01
Accepted Time:
2011-06-01 18:30:56
SEC Url:
Form 4 Filing
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
1235080 S Randy Nickerson C/o Markwest Energy Partners, L.p.
1515 Arapahoe St. Twr 1, Ste 1600
Denver CO 80202
Svp, Chief Commercial Officer No Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Units Disposition 2011-06-01 5,599 $47.30 217,207 No 4 S Direct
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 30, 2011, pursuant to a Rule 10b5-1 trading plan.
  2. The price reported in Column 4 is a weighted average price. These units were sold in multiple transactions at prices ranging from $47.05 to $47.46, 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.
  3. Amount of securities beneficially owned following the reported transaction(s) includes Common Units owned and Restricted Units subject to varying vesting terms.