J MICHAEL WALSH Insider Trading Transactions

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of J MICHAEL WALSH. J MICHAEL WALSH is in Core-Mark Holding Company, Inc. ($CORE) and President and CEO in Core-Mark Holding Company, Inc. ($CORE).

Latest Insider Trading Transactions of J MICHAEL WALSH

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.09	100	3,509	47,035	47.1 K to 47 K (-0.21 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.07	100	3,507	47,135	47.2 K to 47.1 K (-0.21 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.06	100	3,506	47,235	47.3 K to 47.2 K (-0.21 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.02	200	7,004	47,335	47.5 K to 47.3 K (-0.42 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	M	15.50	2,500	38,750	47,535	45 K to 47.5 K (+5.55 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Option Exercise	M	15.50	5,736	88,908	80,566
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.88	100	3,588	45,035	45.1 K to 45 K (-0.22 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.86	100	3,586	45,135	45.2 K to 45.1 K (-0.22 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.84	1	36	45,235	45.2 K to 45.2 K (0.00 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.81	100	3,581	45,236	45.3 K to 45.2 K (-0.22 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.80	110	3,938	45,336	45.4 K to 45.3 K (-0.24 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.79	200	7,158	45,446	45.6 K to 45.4 K (-0.44 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.78	300	10,734	45,646	45.9 K to 45.6 K (-0.65 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.77	522	18,672	45,946	46.5 K to 45.9 K (-1.12 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.76	300	10,728	46,468	46.8 K to 46.5 K (-0.64 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.75	600	21,450	46,768	47.4 K to 46.8 K (-1.27 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.74	598	21,373	47,368	48 K to 47.4 K (-1.25 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.73	600	21,438	47,966	48.6 K to 48 K (-1.24 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.72	622	22,218	48,566	49.2 K to 48.6 K (-1.26 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.71	297	10,606	49,188	49.5 K to 49.2 K (-0.60 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.69	181	6,460	49,485	49.7 K to 49.5 K (-0.36 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.68	100	3,568	49,666	49.8 K to 49.7 K (-0.20 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.67	100	3,567	49,766	49.9 K to 49.8 K (-0.20 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.65	100	3,565	49,866	50 K to 49.9 K (-0.20 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.63	200	7,126	49,966	50.2 K to 50 K (-0.40 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.60	100	3,560	50,166	50.3 K to 50.2 K (-0.20 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.59	100	3,559	50,266	50.4 K to 50.3 K (-0.20 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.58	3	107	50,366	50.4 K to 50.4 K (-0.01 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.57	2	71	50,369	50.4 K to 50.4 K (0.00 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.56	100	3,556	50,371	50.5 K to 50.4 K (-0.20 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.51	100	3,551	50,471	50.6 K to 50.5 K (-0.20 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.46	100	3,546	50,571	50.7 K to 50.6 K (-0.20 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.23	100	3,523	50,671	50.8 K to 50.7 K (-0.20 %)
Nov 15 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	M	0.00	5,736	0	50,771	45 K to 50.8 K (+12.74 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.20	100	3,520	45,035	45.1 K to 45 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.97	100	3,597	45,135	45.2 K to 45.1 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.96	11	396	45,235	45.2 K to 45.2 K (-0.02 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.92	100	3,592	45,246	45.3 K to 45.2 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.91	300	10,773	45,346	45.6 K to 45.3 K (-0.66 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.86	100	3,586	45,646	45.7 K to 45.6 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.74	100	3,574	45,746	45.8 K to 45.7 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.71	200	7,142	45,846	46 K to 45.8 K (-0.43 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.69	100	3,569	46,046	46.1 K to 46 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.68	800	28,544	46,146	46.9 K to 46.1 K (-1.70 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.67	200	7,134	46,946	47.1 K to 46.9 K (-0.42 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Option Exercise	M	15.50	9,066	140,523	86,302
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.66	392	13,979	47,146	47.5 K to 47.1 K (-0.82 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.66	100	3,566	47,538	47.6 K to 47.5 K (-0.21 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.64	118	4,206	47,638	47.8 K to 47.6 K (-0.25 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.63	300	10,689	47,756	48.1 K to 47.8 K (-0.62 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.61	104	3,703	48,056	48.2 K to 48.1 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.60	600	21,360	48,160	48.8 K to 48.2 K (-1.23 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.59	800	28,472	48,760	49.6 K to 48.8 K (-1.61 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.58	530	18,857	49,560	50.1 K to 49.6 K (-1.06 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.57	400	14,228	50,090	50.5 K to 50.1 K (-0.79 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.56	205	7,290	50,490	50.7 K to 50.5 K (-0.40 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.55	200	7,110	50,695	50.9 K to 50.7 K (-0.39 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.54	300	10,662	50,895	51.2 K to 50.9 K (-0.59 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.52	32	1,137	51,195	51.2 K to 51.2 K (-0.06 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.51	400	14,204	51,227	51.6 K to 51.2 K (-0.77 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.50	100	3,550	51,627	51.7 K to 51.6 K (-0.19 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.24	100	3,524	51,727	51.8 K to 51.7 K (-0.19 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.23	100	3,523	51,827	51.9 K to 51.8 K (-0.19 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.21	100	3,521	51,927	52 K to 51.9 K (-0.19 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.19	100	3,519	52,027	52.1 K to 52 K (-0.19 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.15	100	3,515	52,127	52.2 K to 52.1 K (-0.19 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.13	200	7,026	52,227	52.4 K to 52.2 K (-0.38 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.10	200	7,020	52,427	52.6 K to 52.4 K (-0.38 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.09	300	10,527	52,627	52.9 K to 52.6 K (-0.57 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.07	300	10,521	52,927	53.2 K to 52.9 K (-0.56 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.06	569	19,949	53,227	53.8 K to 53.2 K (-1.06 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.05	105	3,680	53,796	53.9 K to 53.8 K (-0.19 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.01	100	3,501	53,901	54 K to 53.9 K (-0.19 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.00	100	3,500	54,001	54.1 K to 54 K (-0.18 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	M	15.50	9,066	140,523	54,101	45 K to 54.1 K (+20.13 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Option Exercise	M	15.50	4,632	71,796	95,368
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.55	100	3,555	45,035	45.1 K to 45 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.49	100	3,549	45,135	45.2 K to 45.1 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.48	100	3,548	45,235	45.3 K to 45.2 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.41	100	3,541	45,335	45.4 K to 45.3 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.39	200	7,078	45,435	45.6 K to 45.4 K (-0.44 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.37	100	3,537	45,635	45.7 K to 45.6 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.36	100	3,536	45,735	45.8 K to 45.7 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.30	100	3,530	45,835	45.9 K to 45.8 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.29	100	3,529	45,935	46 K to 45.9 K (-0.22 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.24	196	6,907	46,035	46.2 K to 46 K (-0.42 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.23	300	10,569	46,231	46.5 K to 46.2 K (-0.64 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.23	100	3,523	46,531	46.6 K to 46.5 K (-0.21 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.22	100	3,522	46,631	46.7 K to 46.6 K (-0.21 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.21	100	3,521	46,731	46.8 K to 46.7 K (-0.21 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.20	300	10,560	46,831	47.1 K to 46.8 K (-0.64 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.07	300	10,521	47,131	47.4 K to 47.1 K (-0.63 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.06	100	3,506	47,431	47.5 K to 47.4 K (-0.21 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.05	600	21,030	47,531	48.1 K to 47.5 K (-1.25 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.04	600	21,024	48,131	48.7 K to 48.1 K (-1.23 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.01	187	6,547	48,731	48.9 K to 48.7 K (-0.38 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	35.00	749	26,215	48,918	49.7 K to 48.9 K (-1.51 %)
Nov 12 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	M	15.50	4,632	71,796	49,667	45 K to 49.7 K (+10.29 %)
Aug 04 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Option Exercise	M	0.01	4,438	44	24,514
Aug 04 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.59	300	9,177	45,035	45.3 K to 45 K (-0.66 %)
Aug 04 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.54	200	6,108	45,335	45.5 K to 45.3 K (-0.44 %)
Aug 04 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.45	164	4,994	45,535	45.7 K to 45.5 K (-0.36 %)
Aug 04 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.40	200	6,080	45,699	45.9 K to 45.7 K (-0.44 %)
Aug 04 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.36	200	6,072	45,899	46.1 K to 45.9 K (-0.43 %)
Aug 04 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.34	200	6,068	46,099	46.3 K to 46.1 K (-0.43 %)
Aug 04 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.30	400	12,120	46,299	46.7 K to 46.3 K (-0.86 %)
Aug 04 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.26	100	3,026	46,699	46.8 K to 46.7 K (-0.21 %)
Aug 04 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.23	100	3,023	46,799	46.9 K to 46.8 K (-0.21 %)
Aug 04 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	M	0.01	4,438	44	46,899	42.5 K to 46.9 K (+10.45 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Option Exercise	M	0.01	2,000	20	12,674
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Option Exercise	M	0.01	8,000	80	0
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.14	4	121	42,461	42.5 K to 42.5 K (-0.01 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.13	1	30	42,465	42.5 K to 42.5 K (0.00 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.12	100	3,012	42,466	42.6 K to 42.5 K (-0.23 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.10	30	903	42,566	42.6 K to 42.6 K (-0.07 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.08	200	6,016	42,596	42.8 K to 42.6 K (-0.47 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.07	804	24,176	42,796	43.6 K to 42.8 K (-1.84 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.06	500	15,030	43,600	44.1 K to 43.6 K (-1.13 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.05	104	3,125	44,100	44.2 K to 44.1 K (-0.24 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.04	557	16,732	44,204	44.8 K to 44.2 K (-1.24 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.04	100	3,004	44,761	44.9 K to 44.8 K (-0.22 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.04	100	3,004	44,861	45 K to 44.9 K (-0.22 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.04	100	3,004	44,961	45.1 K to 45 K (-0.22 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.03	400	12,012	45,061	45.5 K to 45.1 K (-0.88 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.02	200	6,004	45,461	45.7 K to 45.5 K (-0.44 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	30.01	100	3,001	45,661	45.8 K to 45.7 K (-0.22 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	29.97	300	8,991	45,761	46.1 K to 45.8 K (-0.65 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Sell	S	29.96	600	17,976	46,061	46.7 K to 46.1 K (-1.29 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	M	0.01	2,000	20	46,661	44.7 K to 46.7 K (+4.48 %)
Apr 16 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	M	0.01	8,000	80	44,661	36.7 K to 44.7 K (+21.82 %)
Feb 17 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Option Exercise	A	0.01	9,000	90	28,952
Feb 03 2010	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Grant	A	0.01	8,443	84	36,651	28.2 K to 36.7 K (+29.93 %)
Oct 01 2009	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Option Exercise	M	0.00	2,881	0	19,952
Oct 01 2009	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	M	0.00	2,881	0	28,208	25.3 K to 28.2 K (+11.38 %)
Sep 03 2009	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Option Exercise	M	0.00	10,000	0	8,000
Sep 03 2009	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	M	0.00	10,000	0	25,557	15.6 K to 25.6 K (+64.28 %)
Apr 03 2009	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Option Exercise	M	0.00	230	0	13,958
Apr 03 2009	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	M	0.01	230	2	15,557	15.3 K to 15.6 K (+1.50 %)
Feb 18 2009	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Grant	A	0.01	3,103	31	15,327	12.2 K to 15.3 K (+25.38 %)
Feb 04 2009	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Option Exercise	A	0.00	9,750	0	14,188
Feb 04 2009	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Option Exercise	A	19.19	9,750	187,103	14,186
Nov 24 2008	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	P	16.26	100	1,626	12,224	12.1 K to 12.2 K (+0.82 %)
Nov 24 2008	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	P	16.22	200	3,244	12,124	11.9 K to 12.1 K (+1.68 %)
Nov 24 2008	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	P	16.21	100	1,621	11,924	11.8 K to 11.9 K (+0.85 %)
Nov 24 2008	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	P	16.20	200	3,240	11,824	11.6 K to 11.8 K (+1.72 %)
Nov 24 2008	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	P	16.18	200	3,236	11,624	11.4 K to 11.6 K (+1.75 %)
Nov 24 2008	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	P	16.17	356	5,757	11,424	11.1 K to 11.4 K (+3.22 %)
Nov 24 2008	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	P	16.16	400	6,464	11,068	10.7 K to 11.1 K (+3.75 %)
Nov 24 2008	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	P	16.15	188	3,036	10,668	10.5 K to 10.7 K (+1.79 %)
Nov 24 2008	CORE	Core-Mark Holding ...	WALSH J MICHAEL	President and CEO	Buy	P	16.12	300	4,836	10,480	10.2 K to 10.5 K (+2.95 %)

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