Company · CIK 0001166036 · SIC 1311 — Crude Petroleum & Natural Gas

MARKWEST ENERGY PARTNERS L P · MWE

Insider activity reported against this company. All insider holders · On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $0 · 0sales $1.3M · 7net −$1.3M

Reported at this company — common stock

Trade	Reported (ET)	Insider	Shares	Avg price	Total	Owned after	Δ stake	Flags
Dec 4, 2015 DForm 4 →	Dec 8, 10:05 am EST	Donald D WolfDirector	70,131	$38.83	$2,723,187	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 10:05 am EST	J Michael SticeDirector	1,402	$38.83	$54,440	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 10:04 am EST	William P NicolettiDirector	23,898	$38.83	$927,959	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 10:04 am EST	Mounsey Anne E FoxDirector	239,980	$38.83	$9,318,423	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 10:04 am EST	Randall J LarsonDirector	12,949	$38.83	$502,810	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 10:03 am EST	Donald C HeppermannDirector	171,398	$38.83	$6,655,384	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 10:02 am EST	William A Bruckmann IIIDirector	3,812	$38.83	$148,020	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 10:02 am EST	Michael L BeattyDirector	25,111	$38.83	$975,060	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 10:01 am EST	Frank M SempleChairman, President & CEO, Director	658,864	$38.83	$25,583,689	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 10:00 am EST	Paula L RossonSVP/Chief Accounting Officer	21,510	$38.83	$835,233	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 10:00 am EST	Randy S NickersonEVP, Chief Commercial Officer	191,973	$38.83	$7,454,312	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 9:59 am EST	John C MollenkopfEVP, Chief Operating Officer	270,444	$38.83	$10,501,341	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 9:59 am EST	Gregory Scott FloerkeEVP, Chief Commercial Officer	19,298	$38.83	$749,341	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 9:58 am EST	Nancy BueseEVP, Chief Financial Officer	97,941	$38.83	$3,803,049	0	—	plan?
Dec 4, 2015 DForm 4 →	Dec 8, 9:58 am EST	C Corwin BromleyEVP, General Counsel	64,309	$38.83	$2,497,118	0	—	plan?
Dec 1, 2015 FForm 4 →	Dec 3, 6:57 pm EST	Randy S NickersonEVP, Chief Commercial Officer	35,503	$46.00	$1,633,138	191,973	—	plan?
Dec 1, 2015 FForm 4 →	Dec 3, 6:57 pm EST	John C MollenkopfEVP, Chief Operating Officer	35,503	$46.00	$1,633,138	270,444	—	plan?
Dec 1, 2015 FForm 4 →	Dec 3, 6:56 pm EST	Gregory Scott FloerkeEVP, Chief Commercial Officer	8,997	$46.00	$413,862	19,298	—	plan?
Dec 1, 2015 FForm 4 →	Dec 3, 6:55 pm EST	C Corwin BromleyEVP, General Counsel	18,371	$46.00	$845,066	64,309	—	plan?
Jul 13, 2015 SForm 4 →	Jul 14, 4:57 pm EDT	Randy S NickersonEVP, Chief Commercial Officer	1,122	$68.20	$76,520	227,476	−0.49%	plan?
Jun 9, 2015 AForm 4 →	Jun 10, 4:51 pm EDT	Gregory Scott FloerkeEVP, Chief Commercial Officer	8,336	—	—	28,295	—	plan?
Jun 3, 2015 AForm 4 →	Jun 5, 7:43 am EDT	J Michael SticeDirector	1,402	—	—	1,402	—	plan?
Jun 1, 2015 SForm 4 →	Jun 1, 5:52 pm EDT	Randy S NickersonEVP, Chief Commercial Officer	1,122	$64.21	$72,044	228,598	−0.49%	plan?
May 8, 2015 SForm 4 →	May 8, 5:00 pm EDT	Randy S NickersonEVP, Chief Commercial Officer	1,122	$66.59	$74,719	229,720	−0.49%	plan?
Apr 9, 2015 SForm 4 →	Apr 10, 4:03 pm EDT	Randy S NickersonEVP, Chief Commercial Officer	1,122	$65.00	$72,930	230,842	−0.48%	plan?
Mar 30, 2015 SForm 4 →	Mar 31, 4:22 pm EDT	Nancy BueseEVP, Chief Financial Officer	10,000	$63.00	$630,000	97,941	−9.26%	plan?
Mar 2, 2015 SForm 4 →	Mar 4, 4:37 pm EST	Randy S NickersonEVP, Chief Commercial Officer	3,432	$65.02	$223,150	231,964	−1.46%	plan?
Jan 31, 2015 FForm 4 →	Feb 3, 8:47 am EST	Paula L RossonSVP/Chief Accounting Officer	1,588	$58.93	$93,581	21,510	—	plan?
Jan 31, 2015 FForm 4 →	Feb 3, 8:46 am EST	Randy S NickersonEVP, Chief Commercial Officer	8,879	$58.93	$523,239	235,396	—	plan?
Jan 31, 2015 FForm 4 →	Feb 3, 8:46 am EST	John C MollenkopfEVP, Chief Operating Officer	8,873	$58.93	$522,886	305,947	—	plan?
Jan 31, 2015 FForm 4 →	Feb 3, 8:45 am EST	Nancy BueseEVP, Chief Financial Officer	6,171	$58.93	$363,657	107,941	—	plan?
Jan 31, 2015 FForm 4 →	Feb 3, 8:44 am EST	Frank M SempleChairman, President & CEO, Director	32,450	$58.93	$1,912,279	261,069	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:55 pm EST	Paula L RossonSVP/Chief Accounting Officer	3,174	—	—	23,098	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:55 pm EST	Randy S NickersonEVP, Chief Commercial Officer	33,866	—	—	244,275	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:55 pm EST	John C MollenkopfEVP, Chief Operating Officer	33,866	—	—	314,820	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:54 pm EST	Nancy BueseEVP, Chief Financial Officer	24,279	—	—	114,112	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:52 pm EST	C Corwin BromleyEVP, General Counsel	14,194	—	—	82,680	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:51 pm EST	William P NicolettiDirector	2,461	—	—	23,898	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:50 pm EST	Mounsey Anne E FoxDirector	2,461	—	—	131,311	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:50 pm EST	Randall J LarsonDirector	2,461	—	—	12,949	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:50 pm EST	Donald C HeppermannDirector	2,461	—	—	171,398	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:49 pm EST	Charles DempsterDirector	2,461	—	—	27,075	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:49 pm EST	William A Bruckmann IIIDirector	2,461	—	—	3,812	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:49 pm EST	Michael L BeattyDirector	2,461	—	—	25,111	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:48 pm EST	Donald D WolfDirector	2,461	—	—	65,131	—	plan?
Jan 21, 2015 AForm 4 →	Jan 23, 4:48 pm EST	Frank M SempleChairman, President & CEO, Director	54,160	—	—	293,519	—	plan?
Jan 2, 2015 SForm 4 →	Jan 2, 5:29 pm EST	Randy S NickersonEVP, Chief Commercial Officer	1,700	$67.16	$114,172	210,409	−0.80%	plan?
Dec 22, 2014 GForm 4 →	Jan 2, 2015, 5:30 pm EST	William P NicolettiDirector	50	—	—	21,437	—	plan? late

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.