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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in MARKWEST HYDROCARBON INC. Get notifications about new insider transactions in MARKWEST HYDROCARBON INC for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	HEPPERMANN DONALD C	Director	Grant	A	0.00	1,000	0	9,000	8 K to 9 K (+12.50 %)
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Grant	A	0.00	1,000	0	200,214	199.2 K to 200.2 K (+0.50 %)
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	KELLSTROM WILLIAM A	Director	Grant	A	0.00	1,000	0	13,600	12.6 K to 13.6 K (+7.94 %)
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	Fox Mounsey Anne E	Director	Grant	A	0.00	1,000	0	5,931	4.9 K to 5.9 K (+20.28 %)
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	WALLACE WILLIAM F	Director	Grant	A	0.00	1,000	0	4,500	3.5 K to 4.5 K (+28.57 %)
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	ROGERS KAREN L	Director	Grant	A	0.00	1,000	0	9,970	9 K to 10 K (+11.15 %)
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Grant	A	0.00	1,000	0	28,220	27.2 K to 28.2 K (+3.67 %)
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	HEPPERMANN DONALD C	Director	Option Exercise	D	17.25	1,000	17,250	0
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	HEPPERMANN DONALD C	Director	Grant	A	22.10	500	11,050	8,000	7.5 K to 8 K (+6.67 %)
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Option Exercise	D	17.25	1,000	17,250	0
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Grant	A	22.10	500	11,050	27,220	26.7 K to 27.2 K (+1.87 %)
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	ROGERS KAREN L	Director	Option Exercise	D	17.25	1,000	17,250	0
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	ROGERS KAREN L	Director	Grant	A	22.10	500	11,050	8,970	8.5 K to 9 K (+5.90 %)
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	KELLSTROM WILLIAM A	Director	Option Exercise	D	17.25	1,000	17,250	0
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	KELLSTROM WILLIAM A	Director	Grant	A	22.10	500	11,050	12,600	12.1 K to 12.6 K (+4.13 %)
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	WALLACE WILLIAM F	Director	Option Exercise	D	17.25	1,000	17,250	0
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	WALLACE WILLIAM F	Director	Grant	A	22.10	500	11,050	3,500	3 K to 3.5 K (+16.67 %)
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Option Exercise	D	17.25	1,000	17,250	0
Feb 15 2006	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Grant	A	22.10	500	11,050	199,214	198.7 K to 199.2 K (+0.25 %)
Feb 02 2006	MWP	MARKWEST HYDROCARB ...	MARLE KIMBERLY H	VP - NGL Marketing	Grant	A	0.00	91	0	91	0 to 91
Feb 02 2006	MWP	MARKWEST HYDROCARB ...	Dickerson Van Steven	VP & GM of Gulf Coa ...	Grant	A	0.00	1,228	0	1,228	0 to 1.2 K
Feb 02 2006	MWP	MARKWEST HYDROCARB ...	SCHROEDER ANDREW L	VP of Finance	Grant	A	0.00	929	0	1,381	452 to 1.4 K (+205.53 %)
Feb 02 2006	MWP	MARKWEST HYDROCARB ...	SEMPLE FRANK M	President, CEO	Grant	A	0.00	3,034	0	10,713	7.7 K to 10.7 K (+39.51 %)
Feb 02 2006	MWP	MARKWEST HYDROCARB ...	YOUNG DAVID LEE	Sr. VP NE Business ...	Grant	A	0.00	611	0	1,327	716 to 1.3 K (+85.34 %)
Feb 02 2006	MWP	MARKWEST HYDROCARB ...	Ostberg Richard	VP of Compliance	Grant	A	0.00	483	0	2,983	2.5 K to 3 K (+19.32 %)
Feb 02 2006	MWP	MARKWEST HYDROCARB ...	MOLLENKOPF JOHN C	Sr Vice President	Grant	A	0.00	1,551	0	2,399	848 to 2.4 K (+182.90 %)
Feb 02 2006	MWP	MARKWEST HYDROCARB ...	Masten Nancy	Chief Accounting Of ...	Grant	A	0.00	712	0	3,212	2.5 K to 3.2 K (+28.48 %)
Feb 02 2006	MWP	MARKWEST HYDROCARB ...	Ivey James G	Chief Financial Off ...	Grant	A	0.00	1,842	0	2,555	713 to 2.6 K (+258.35 %)
Feb 02 2006	MWP	MARKWEST HYDROCARB ...	Bromley C Corwin	General Counsel	Grant	A	0.00	1,493	0	4,252	2.8 K to 4.3 K (+54.11 %)
Feb 02 2006	MWP	MARKWEST HYDROCARB ...	NICKERSON RANDY S	Sr. Vice President	Grant	A	0.00	1,272	0	2,120	848 to 2.1 K (+150.00 %)
Dec 05 2005	MWP	MARKWEST HYDROCARB ...	Ostberg Richard	VP of Compliance	Grant	A	0.00	2,500	0	2,500	0 to 2.5 K
Dec 02 2005	MWP	MARKWEST HYDROCARB ...	Masten Nancy	Chief Accounting Of ...	Grant	A	0.00	2,500	0	2,500	0 to 2.5 K
Dec 02 2005	MWP	MARKWEST HYDROCARB ...	Bromley C Corwin	General Counsel	Grant	A	0.00	2,500	0	2,759	259 to 2.8 K (+965.25 %)
Mar 03 2005	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Option Exercise	M	6.36	1,100	6,996	2,100
Mar 03 2005	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Option Exercise	M	10.25	1,100	11,275	3,200
Mar 03 2005	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Option Exercise	M	4.41	1,210	5,336	4,300
Mar 03 2005	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Buy	M	6.36	1,100	6,996	26,720	25.6 K to 26.7 K (+4.29 %)
Mar 03 2005	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Buy	M	10.25	1,100	11,275	25,620	24.5 K to 25.6 K (+4.49 %)
Mar 03 2005	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Buy	M	4.41	1,210	5,336	24,520	23.3 K to 24.5 K (+5.19 %)
Feb 02 2005	MWP	MARKWEST HYDROCARB ...	NICKERSON RANDY S	Sr. Vice President	Option Exercise	A	0.00	848	0	848
Feb 02 2005	MWP	MARKWEST HYDROCARB ...	MOLLENKOPF JOHN C	Sr Vice President	Option Exercise	A	0.00	848	0	848
Feb 02 2005	MWP	MARKWEST HYDROCARB ...	Ivey James G	Chief Financial Off ...	Option Exercise	A	0.00	713	0	713
Feb 02 2005	MWP	MARKWEST HYDROCARB ...	Bromley C Corwin	General Counsel	Option Exercise	A	0.00	259	0	259
Feb 02 2005	MWP	MARKWEST HYDROCARB ...	YOUNG DAVID LEE	Sr. VP NE Business ...	Option Exercise	A	0.00	716	0	716
Feb 02 2005	MWP	MARKWEST HYDROCARB ...	SCHROEDER ANDREW L	VP of Finance	Option Exercise	A	0.00	452	0	452
Feb 02 2005	MWP	MARKWEST HYDROCARB ...	SMITH TED S	VICE PRESIDENT	Option Exercise	A	18.59	415	7,715	415
Feb 02 2005	MWP	MARKWEST HYDROCARB ...	SEMPLE FRANK M	President, CEO	Option Exercise	A	18.59	2,179	40,508	24,179
Jan 04 2005	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Option Exercise	A	17.25	1,000	17,250	5,628
Jan 04 2005	MWP	MARKWEST HYDROCARB ...	HEPPERMANN DONALD C	Director	Option Exercise	A	17.25	1,000	17,250	20,250
Jan 04 2005	MWP	MARKWEST HYDROCARB ...	KELLSTROM WILLIAM A	Director	Option Exercise	A	17.25	1,000	17,250	7,325
Jan 04 2005	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Option Exercise	A	17.25	1,000	17,250	5,510
Jan 04 2005	MWP	MARKWEST HYDROCARB ...	ROGERS KAREN L	Director	Option Exercise	A	17.25	1,000	17,250	7,325
Jan 04 2005	MWP	MARKWEST HYDROCARB ...	WALLACE WILLIAM F	Director	Option Exercise	A	17.25	1,000	17,250	2,100
Jan 04 2005	MWP	MARKWEST HYDROCARB ...	WALLACE WILLIAM F	Director	Buy	P	17.59	1,500	26,385	3,000	1.5 K to 3 K (+100.00 %)
Jan 04 2005	MWP	MARKWEST HYDROCARB ...	WALLACE WILLIAM F	Director	Buy	P	17.35	1,500	26,025	1,500	0 to 1.5 K
Nov 23 2004	MWP	MARKWEST HYDROCARB ...	KELLSTROM WILLIAM A	Director	Option Exercise	M	5.55	1,100	6,105	0
Nov 23 2004	MWP	MARKWEST HYDROCARB ...	KELLSTROM WILLIAM A	Director	Buy	M	5.55	1,100	6,105	9,350	8.3 K to 9.4 K (+13.33 %)
Nov 23 2004	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Buy	P	17.11	5,000	85,555	22,100	17.1 K to 22.1 K (+29.24 %)
Nov 23 2004	MWP	MARKWEST HYDROCARB ...	ROGERS KAREN L	Director	Option Exercise	M	5.05	1,210	6,111	0
Nov 23 2004	MWP	MARKWEST HYDROCARB ...	ROGERS KAREN L	Director	Buy	M	5.05	1,210	6,111	5,060	3.9 K to 5.1 K (+31.43 %)
Nov 16 2004	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Buy	P	17.73	5,000	88,650	17,100	12.1 K to 17.1 K (+41.32 %)
Sep 29 2004	MWP	MARKWEST HYDROCARB ...	Bromley C Corwin	General Counsel	Option Exercise	A	14.67	2,000	29,340	2,000
Sep 08 2004	MWP	MARKWEST HYDROCARB ...	HEPPERMANN DONALD C	Director	Option Exercise	M	5.05	2,750	13,888	8,250
Sep 08 2004	MWP	MARKWEST HYDROCARB ...	HEPPERMANN DONALD C	Director	Buy	M	5.05	2,750	13,888	7,500	4.8 K to 7.5 K (+57.89 %)
Sep 07 2004	MWP	MARKWEST HYDROCARB ...	WALLACE WILLIAM F	Director	Option Exercise	A	10.86	1,000	10,860	1,000
Sep 02 2004	MWP	MARKWEST HYDROCARB ...	WOLF DONALD D	Director	Option Exercise	M	12.75	1,000	12,750	1,000
Sep 02 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Option Exercise	M	12.75	1,000	12,750	1,000
Sep 02 2004	MWP	MARKWEST HYDROCARB ...	ROGERS KAREN L	Director	Option Exercise	M	12.75	1,000	12,750	1,000
Sep 02 2004	MWP	MARKWEST HYDROCARB ...	HEPPERMANN DONALD C	Director	Option Exercise	M	12.75	1,000	12,750	1,000
Sep 02 2004	MWP	MARKWEST HYDROCARB ...	KELLSTROM WILLIAM A	Director	Option Exercise	M	12.75	1,000	12,750	1,000
Aug 26 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Sell	S	12.53	3,893	48,779	19,032	22.9 K to 19 K (-16.98 %)
Aug 26 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Sell	S	12.45	3,515	43,762	22,925	26.4 K to 22.9 K (-13.29 %)
Aug 23 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	12.30	3,000	36,900	198,714	195.7 K to 198.7 K (+1.53 %)
Aug 19 2004	MWP	MARKWEST HYDROCARB ...	HEPPERMANN DONALD C	Director	Buy	P	12.23	2,000	24,460	4,750	2.8 K to 4.8 K (+72.73 %)
Aug 19 2004	MWP	MARKWEST HYDROCARB ...	HEPPERMANN DONALD C	Director	Sell	S	10.80	1,568	16,934	2,750	4.3 K to 2.8 K (-36.31 %)
Aug 05 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	10.23	832	8,511	0
Aug 05 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	13.20	644	8,501	26,118	26.8 K to 26.1 K (-2.41 %)
Aug 05 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	10.23	832	8,511	26,762	25.9 K to 26.8 K (+3.21 %)
Aug 05 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	6.96	680	4,733	0
Aug 05 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	13.20	358	4,726	26,440	26.8 K to 26.4 K (-1.34 %)
Aug 05 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	6.96	680	4,733	26,798	26.1 K to 26.8 K (+2.60 %)
Aug 03 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	7.96	626	4,983	0
Aug 03 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	13.03	382	4,977	25,930	26.3 K to 25.9 K (-1.45 %)
Aug 03 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	7.96	626	4,983	26,312	25.7 K to 26.3 K (+2.44 %)
Jul 22 2004	MWP	MARKWEST HYDROCARB ...	KELLSTROM WILLIAM A	Director	Option Exercise	M	6.96	550	3,828	0
Jul 22 2004	MWP	MARKWEST HYDROCARB ...	KELLSTROM WILLIAM A	Director	Buy	M	6.96	550	3,828	8,250	7.7 K to 8.3 K (+7.14 %)
Jul 16 2004	MWP	MARKWEST HYDROCARB ...	Ivey James G	Chief Financial Off ...	Option Exercise	A	10.82	10,000	108,200	10,000
Jul 21 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	10.23	1,871	19,140	624
Jul 21 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	9.77	64	625	0
Jul 21 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	9.77	5,148	50,296	0
Jul 21 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	9.55	7,300	69,715	0
Jul 21 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	13.00	1,472	19,136	17,629	19.1 K to 17.6 K (-7.71 %)
Jul 21 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	10.23	1,871	19,140	19,101	17.2 K to 19.1 K (+10.86 %)
Jul 21 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	13.00	48	624	17,230	17.3 K to 17.2 K (-0.28 %)
Jul 21 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	9.77	64	625	17,278	17.2 K to 17.3 K (+0.37 %)
Jul 21 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	13.00	3,868	50,284	17,214	21.1 K to 17.2 K (-18.35 %)
Jul 21 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	9.77	5,148	50,296	21,082	15.9 K to 21.1 K (+32.31 %)
Jul 21 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	13.00	5,362	69,706	15,934	21.3 K to 15.9 K (-25.18 %)
Jul 21 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	9.55	7,300	69,715	21,296	14 K to 21.3 K (+52.16 %)
Jul 15 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	9.77	17,161	167,663	0
Jul 15 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	9.09	14,300	129,987	0
Jul 15 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	12.90	12,997	167,661	22,053	35.1 K to 22.1 K (-37.08 %)
Jul 15 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	9.77	17,161	167,663	35,050	17.9 K to 35.1 K (+95.93 %)
Jul 15 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	12.49	10,407	129,983	17,889	28.3 K to 17.9 K (-36.78 %)
Jul 15 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	9.09	14,300	129,987	28,296	14 K to 28.3 K (+102.17 %)
Jun 23 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	7.96	836	6,655	0
Jun 23 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	7.96	1,878	14,949	626
Jun 23 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	7.85	5,232	41,071	0
Jun 23 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Option Exercise	M	6.96	1,361	9,473	1,360
Jun 23 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	12.45	534	6,648	13,996	14.5 K to 14 K (-3.68 %)
Jun 23 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	7.96	836	6,655	14,530	13.7 K to 14.5 K (+6.10 %)
Jun 23 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	12.45	1,200	14,940	13,694	14.9 K to 13.7 K (-8.06 %)
Jun 23 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	7.96	1,878	14,949	14,894	13 K to 14.9 K (+14.43 %)
Jun 23 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	12.45	3,298	41,060	13,016	16.3 K to 13 K (-20.22 %)
Jun 23 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	7.85	5,232	41,071	16,314	11.1 K to 16.3 K (+47.21 %)
Jun 23 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Payment of Exercise	F	12.45	760	9,462	11,082	11.8 K to 11.1 K (-6.42 %)
Jun 23 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Buy	M	6.96	1,361	9,473	11,842	10.5 K to 11.8 K (+12.99 %)
Jun 22 2004	MWP	MARKWEST HYDROCARB ...	DENNEY ARTHUR J	Director	Sell	S	12.10	3,960	47,916	10,481	14.4 K to 10.5 K (-27.42 %)
Jun 22 2004	MWP	MARKWEST HYDROCARB ...	MARKWEST HOLDING CO	10% Owner	Buy	P	11.90	100	1,190	4,097,694	4.1 M to 4.1 M (0.00 %)
Jun 22 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	11.90	100	1,190	4,097,694	4.1 M to 4.1 M (0.00 %)
Jun 17 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	11.75	2,200	25,850	4,097,594	4.1 M to 4.1 M (+0.05 %)
Jun 17 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	11.60	700	8,120	4,095,394	4.1 M to 4.1 M (+0.02 %)
Jun 17 2004	MWP	MARKWEST HYDROCARB ...	MARKWEST HOLDING CO	10% Owner	Buy	P	11.75	2,200	25,850	4,097,594	4.1 M to 4.1 M (+0.05 %)
Jun 17 2004	MWP	MARKWEST HYDROCARB ...	MARKWEST HOLDING CO	10% Owner	Buy	P	11.60	700	8,120	4,095,394	4.1 M to 4.1 M (+0.02 %)
Jun 15 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.95	500	5,475	4,094,694	4.1 M to 4.1 M (+0.01 %)
Jun 15 2004	MWP	MARKWEST HYDROCARB ...	MARKWEST HOLDING CO	10% Owner	Buy	P	10.95	500	5,475	4,094,694	4.1 M to 4.1 M (+0.01 %)
Jun 10 2004	MWP	MARKWEST HYDROCARB ...	MARKWEST HOLDING CO	10% Owner	Buy	P	10.79	200	2,158	4,094,194	4.1 M to 4.1 M (0.00 %)
Jun 10 2004	MWP	MARKWEST HYDROCARB ...	MARKWEST HOLDING CO	10% Owner	Buy	P	10.75	1,200	12,900	4,093,994	4.1 M to 4.1 M (+0.03 %)
Jun 10 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.79	200	2,158	4,094,194	4.1 M to 4.1 M (0.00 %)
Jun 10 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.75	1,200	12,900	4,093,994	4.1 M to 4.1 M (+0.03 %)
Jun 10 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.79	200	2,158	4,094,194	4.1 M to 4.1 M (0.00 %)
Jun 10 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.75	1,200	12,900	4,093,994	4.1 M to 4.1 M (+0.03 %)
Jun 08 2004	MWP	MARKWEST HYDROCARB ...	MARKWEST HOLDING CO	10% Owner	Buy	P	10.90	300	3,270	4,092,794	4.1 M to 4.1 M (+0.01 %)
Jun 08 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.90	300	3,270	4,092,794	4.1 M to 4.1 M (+0.01 %)
Jun 04 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.95	1,500	16,425	4,092,494	4.1 M to 4.1 M (+0.04 %)
Jun 04 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.86	200	2,172	4,090,994	4.1 M to 4.1 M (0.00 %)
Jun 04 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.82	300	3,246	4,090,794	4.1 M to 4.1 M (+0.01 %)
Jun 04 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.70	100	1,070	4,090,494	4.1 M to 4.1 M (0.00 %)
Jun 04 2004	MWP	MARKWEST HYDROCARB ...	MARKWEST HOLDING CO	10% Owner	Buy	P	10.95	1,500	16,425	4,092,494	4.1 M to 4.1 M (+0.04 %)
Jun 04 2004	MWP	MARKWEST HYDROCARB ...	MARKWEST HOLDING CO	10% Owner	Buy	P	10.86	200	2,172	4,090,994	4.1 M to 4.1 M (0.00 %)
Jun 04 2004	MWP	MARKWEST HYDROCARB ...	MARKWEST HOLDING CO	10% Owner	Buy	P	10.82	300	3,246	4,090,794	4.1 M to 4.1 M (+0.01 %)
Jun 04 2004	MWP	MARKWEST HYDROCARB ...	MARKWEST HOLDING CO	10% Owner	Buy	P	10.70	100	1,070	4,090,494	4.1 M to 4.1 M (0.00 %)
Jun 04 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.95	1,500	16,425	4,092,494	4.1 M to 4.1 M (+0.04 %)
Jun 04 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.86	200	2,172	4,090,994	4.1 M to 4.1 M (0.00 %)
Jun 04 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.82	300	3,246	4,090,794	4.1 M to 4.1 M (+0.01 %)
Jun 04 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Buy	P	10.70	100	1,070	4,090,494	4.1 M to 4.1 M (0.00 %)
Jun 01 2004	MWP	MARKWEST HYDROCARB ...	MARKWEST HOLDING CO	10% Owner	Buy	P	10.85	4,200	45,570	4,090,394	4.1 M to 4.1 M (+0.10 %)
Jun 01 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Option Exercise	M	7.66	1,427	10,931	1,426
Jun 01 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Option Exercise	M	10.23	2,632	26,925	877
Jun 01 2004	MWP	MARKWEST HYDROCARB ...	FOX JOHN M	Director	Option Exercise	M	8.76	2,710	23,740	904

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