MARKWEST ENERGY PARTNERS L P

SEC insider activity covers quarterly filings through June 30, 2026. Later filings are not included. Reported roles do not establish current employment or current holdings. SEC filing documents, sections and filing-text search cover filings dated January 1, 2000 onward. Earlier filings are deferred until after launch.

organization

SEC Insider

$174.3M

646 transactions

Summary

MARKWEST ENERGY PARTNERS L P is an organization.

Recent Insider Transactions

As filed, including amendments; not net cash flow or current holdings. Joint reports count once. Totals cover known values only.

Buys: $3.7MSales: $48.5M28 insiders

Date	Insider	Type	Value
2015-12-04	MOLLENKOPF JOHN C(EVP, Chief Operating Officer)	D	$10.5M
2015-12-04	SEMPLE FRANK M(Chairman, President & CEO)	D	$10.1M
2015-12-04	NICKERSON RANDY S(EVP, Chief Commercial Officer)	D	$7.5M
2015-12-04	HEPPERMANN DONALD C	D	$6.7M
2015-12-04	SEMPLE FRANK M(Chairman, President & CEO)	D	$6.1M
2015-12-04	Fox Mounsey Anne E	D	$5.1M
2015-12-04	SEMPLE FRANK M(Chairman, President & CEO)	D	$4.0M
2015-12-04	Buese Nancy(EVP, Chief Financial Officer)	D	$3.8M
2015-12-04	SEMPLE FRANK M(Chairman, President & CEO)	D	$3.7M
2015-12-04	Bromley C Corwin(EVP, General Counsel)	D	$2.5M
2015-12-04	Fox Mounsey Anne E	D	$2.4M
2015-12-04	SEMPLE FRANK M(Chairman, President & CEO)	D	$1.7M
2015-12-04	Fox Mounsey Anne E	D	$999K
2015-12-04	BEATTY MICHAEL L	D	$975K
2015-12-04	Rosson Paula L(SVP/Chief Accounting Officer)	D	$835K
2015-12-04	Floerke Gregory Scott(EVP, Chief Commercial Officer)	D	$749K
2015-12-04	LARSON RANDALL J	D	$503K
2015-12-04	Fox Mounsey Anne E	D	$448K
2015-12-04	Fox Mounsey Anne E	D	$376K
2015-12-04	BRUCKMANN WILLIAM A III	D	$148K

SEC filings: SEC EDGAR

Activity data: SEC EDGAR

MARKWEST ENERGY PARTNERS L P — Contributions, Lobbying & Contracts | Poliscope