Thomas B Perkins Insider Trading Transactions

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of Thomas B Perkins. Thomas B Perkins is President and CEO in Core-Mark Holding Company, Inc. ($CORE) and SVP of Resources in Core-Mark Holding Company, Inc. ($CORE) and VP of U.S. Divisions in Core-Mark Holding Company, Inc. ($CORE).

Latest Insider Trading Transactions of Thomas B Perkins

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.28	177	6,068	33,290	33.5 K to 33.3 K (-0.53 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.27	417	14,291	33,467	33.9 K to 33.5 K (-1.23 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.26	100	3,426	33,884	34 K to 33.9 K (-0.29 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.25	1,311	44,902	33,984	35.3 K to 34 K (-3.71 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.24	1,100	37,664	35,295	36.4 K to 35.3 K (-3.02 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.23	100	3,423	36,395	36.5 K to 36.4 K (-0.27 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.23	100	3,423	36,495	36.6 K to 36.5 K (-0.27 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.21	100	3,421	36,595	36.7 K to 36.6 K (-0.27 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	15.50	15,278	236,809	36,695	21.4 K to 36.7 K (+71.34 %)
Jan 05 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	2,882	29	12,250
Jan 05 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	36.01	1,060	38,171	21,417	22.5 K to 21.4 K (-4.72 %)
Jan 05 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	2,882	29	22,477	19.6 K to 22.5 K (+14.71 %)
Jan 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	813	8	15,132
Jan 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	35.59	410	14,592	19,595	20 K to 19.6 K (-2.05 %)
Jan 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	35.59	346	12,314	20,005	20.4 K to 20 K (-1.70 %)
Jan 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	813	8	20,351	19.5 K to 20.4 K (+4.16 %)
Oct 04 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	812	8	15,945
Oct 04 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	30.96	409	12,663	19,538	19.9 K to 19.5 K (-2.05 %)
Oct 04 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	30.96	345	10,681	19,947	20.3 K to 19.9 K (-1.70 %)
Oct 04 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	812	8	20,292	19.5 K to 20.3 K (+4.17 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	15.50	15,278	236,809	30,555
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.42	1,500	42,628	19,480	21 K to 19.5 K (-7.15 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.41	868	24,664	20,980	21.8 K to 21 K (-3.97 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.40	300	8,520	21,848	22.1 K to 21.8 K (-1.35 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.38	200	5,676	22,148	22.3 K to 22.1 K (-0.89 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.30	783	22,155	22,348	23.1 K to 22.3 K (-3.39 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.27	217	6,135	23,131	23.3 K to 23.1 K (-0.93 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.27	300	8,480	23,348	23.6 K to 23.3 K (-1.27 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.27	200	5,653	23,648	23.8 K to 23.6 K (-0.84 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.23	400	11,292	23,848	24.2 K to 23.8 K (-1.65 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.22	500	14,110	24,248	24.7 K to 24.2 K (-2.02 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.21	600	16,926	24,748	25.3 K to 24.7 K (-2.37 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.21	200	5,641	25,348	25.5 K to 25.3 K (-0.78 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.20	300	8,460	25,548	25.8 K to 25.5 K (-1.16 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.19	400	11,276	25,848	26.2 K to 25.8 K (-1.52 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.17	600	16,902	26,248	26.8 K to 26.2 K (-2.23 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.13	300	8,439	26,848	27.1 K to 26.8 K (-1.11 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.11	201	5,650	27,148	27.3 K to 27.1 K (-0.73 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.10	100	2,810	27,349	27.4 K to 27.3 K (-0.36 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.09	500	14,045	27,449	27.9 K to 27.4 K (-1.79 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.08	200	5,616	27,949	28.1 K to 27.9 K (-0.71 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.05	200	5,610	28,149	28.3 K to 28.1 K (-0.71 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.01	600	16,806	28,349	28.9 K to 28.3 K (-2.07 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	28.00	600	16,800	28,949	29.5 K to 28.9 K (-2.03 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.98	700	19,586	29,549	30.2 K to 29.5 K (-2.31 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.94	100	2,794	30,249	30.3 K to 30.2 K (-0.33 %)
Sep 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	15.50	15,278	236,809	30,349	15.1 K to 30.3 K (+101.37 %)
Jul 08 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	1,486	15	16,757
Jul 08 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	26.87	242	6,503	15,071	15.3 K to 15.1 K (-1.58 %)
Jul 08 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.96	746	20,858	15,313	16.1 K to 15.3 K (-4.65 %)
Jul 08 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	1,486	15	16,059	14.6 K to 16.1 K (+10.20 %)
Jul 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	813	8	18,243
Jul 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	27.40	579	15,865	14,573	15.2 K to 14.6 K (-3.82 %)
Jul 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	813	8	15,152	14.3 K to 15.2 K (+5.67 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	15.50	3,801	58,916	45,833
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.84	100	2,784	14,339	14.4 K to 14.3 K (-0.69 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.83	100	2,783	14,439	14.5 K to 14.4 K (-0.69 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.78	100	2,778	14,539	14.6 K to 14.5 K (-0.68 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.75	10	278	14,639	14.6 K to 14.6 K (-0.07 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.74	200	5,548	14,649	14.8 K to 14.6 K (-1.35 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.73	100	2,773	14,849	14.9 K to 14.8 K (-0.67 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.72	391	10,839	14,949	15.3 K to 14.9 K (-2.55 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.72	200	5,543	15,340	15.5 K to 15.3 K (-1.29 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.71	300	8,313	15,540	15.8 K to 15.5 K (-1.89 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.70	100	2,770	15,840	15.9 K to 15.8 K (-0.63 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.68	300	8,304	15,940	16.2 K to 15.9 K (-1.85 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.68	200	5,535	16,240	16.4 K to 16.2 K (-1.22 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.67	700	19,369	16,440	17.1 K to 16.4 K (-4.08 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.66	500	13,830	17,140	17.6 K to 17.1 K (-2.83 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.65	500	13,825	17,640	18.1 K to 17.6 K (-2.76 %)
Jun 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	15.50	3,801	58,916	18,140	14.3 K to 18.1 K (+26.51 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	15.50	11,477	177,894	49,634
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.65	200	5,530	14,339	14.5 K to 14.3 K (-1.38 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.64	500	13,821	14,539	15 K to 14.5 K (-3.32 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.64	200	5,528	15,039	15.2 K to 15 K (-1.31 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.64	800	22,112	15,239	16 K to 15.2 K (-4.99 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.64	300	8,292	16,039	16.3 K to 16 K (-1.84 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.63	600	16,579	16,339	16.9 K to 16.3 K (-3.54 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.63	200	5,526	16,939	17.1 K to 16.9 K (-1.17 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.62	400	11,049	17,139	17.5 K to 17.1 K (-2.28 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.62	800	22,096	17,539	18.3 K to 17.5 K (-4.36 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.61	1,100	30,371	18,339	19.4 K to 18.3 K (-5.66 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.61	200	5,521	19,439	19.6 K to 19.4 K (-1.02 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.60	200	5,519	19,639	19.8 K to 19.6 K (-1.01 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.59	400	11,036	19,839	20.2 K to 19.8 K (-1.98 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.58	100	2,758	20,239	20.3 K to 20.2 K (-0.49 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.50	300	8,249	20,339	20.6 K to 20.3 K (-1.45 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.49	776	21,332	20,639	21.4 K to 20.6 K (-3.62 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.44	100	2,744	21,415	21.5 K to 21.4 K (-0.46 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.41	100	2,741	21,515	21.6 K to 21.5 K (-0.46 %)
Jun 16 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	15.50	11,477	177,894	21,615	10.1 K to 21.6 K (+113.21 %)
Apr 05 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	812	8	19,056
Apr 05 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	30.16	264	7,962	10,138	10.4 K to 10.1 K (-2.54 %)
Apr 05 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	30.61	85	2,602	10,402	10.5 K to 10.4 K (-0.81 %)
Apr 05 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	30.61	230	7,040	10,487	10.7 K to 10.5 K (-2.15 %)
Apr 05 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	812	8	10,717	9.9 K to 10.7 K (+8.20 %)
Mar 02 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.66	20	633	9,905	9.9 K to 9.9 K (-0.20 %)
Mar 02 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	32.17	5	161	9,925	9.9 K to 9.9 K (-0.05 %)
Mar 02 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	32.16	600	19,296	9,930	10.5 K to 9.9 K (-5.70 %)
Mar 02 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	32.15	100	3,215	10,530	10.6 K to 10.5 K (-0.94 %)
Mar 02 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	32.14	100	3,214	10,630	10.7 K to 10.6 K (-0.93 %)
Mar 02 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	32.12	100	3,212	10,730	10.8 K to 10.7 K (-0.92 %)
Mar 02 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	32.09	100	3,209	10,830	10.9 K to 10.8 K (-0.91 %)
Mar 02 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	32.08	200	6,416	10,930	11.1 K to 10.9 K (-1.80 %)
Mar 02 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	32.08	100	3,208	11,130	11.2 K to 11.1 K (-0.89 %)
Mar 02 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	32.07	100	3,207	11,230	11.3 K to 11.2 K (-0.88 %)
Mar 02 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	32.05	100	3,205	11,330	11.4 K to 11.3 K (-0.87 %)
Mar 02 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	32.04	100	3,204	11,430	11.5 K to 11.4 K (-0.87 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	32.01	200	6,402	11,530	11.7 K to 11.5 K (-1.71 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.94	200	6,388	11,730	11.9 K to 11.7 K (-1.68 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.89	200	6,378	11,930	12.1 K to 11.9 K (-1.65 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.84	300	9,552	12,130	12.4 K to 12.1 K (-2.41 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.79	100	3,179	12,430	12.5 K to 12.4 K (-0.80 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.78	730	23,199	12,530	13.3 K to 12.5 K (-5.51 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.77	180	5,718	13,260	13.4 K to 13.3 K (-1.34 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.77	100	3,177	13,440	13.5 K to 13.4 K (-0.74 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.76	562	17,851	13,540	14.1 K to 13.5 K (-3.99 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.71	100	3,171	14,102	14.2 K to 14.1 K (-0.70 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.66	720	22,795	14,202	14.9 K to 14.2 K (-4.83 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.65	179	5,666	14,922	15.1 K to 14.9 K (-1.19 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.65	235	7,438	15,101	15.3 K to 15.1 K (-1.53 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.64	400	12,656	15,336	15.7 K to 15.3 K (-2.54 %)
Mar 01 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	31.58	300	9,473	15,736	16 K to 15.7 K (-1.87 %)
Feb 17 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	A	0.01	9,000	90	19,868
Feb 03 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	3,250	33	10,868
Feb 03 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	29.53	2,814	83,097	16,026	18.8 K to 16 K (-14.94 %)
Feb 03 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	3,250	33	18,840	15.6 K to 18.8 K (+20.85 %)
Feb 03 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Grant	A	0.01	8,443	84	15,590	7.1 K to 15.6 K (+118.13 %)
Jan 11 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	2,882	29	14,118
Jan 11 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	2,882	29	7,147	4.3 K to 7.1 K (+67.57 %)
Jan 06 2010	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	32.96	113	3,724	4,265	4.4 K to 4.3 K (-2.58 %)
Nov 16 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	27.97	900	25,173	4,378	5.3 K to 4.4 K (-17.05 %)
Oct 01 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.00	2,881	0	17,000
Oct 01 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	21.52	1,066	22,940	5,354	6.4 K to 5.4 K (-16.60 %)
Oct 01 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.00	2,881	0	6,420	3.5 K to 6.4 K (+81.41 %)
Jul 02 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	26.41	1,479	39,060	1,531	3 K to 1.5 K (-49.14 %)
Jul 02 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.00	230	0	0
Jul 02 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	26.06	76	1,981	1,531	1.6 K to 1.5 K (-4.73 %)
Jul 02 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.00	230	0	1,607	1.4 K to 1.6 K (+16.70 %)
Apr 03 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.00	230	0	12,482
Apr 03 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	18.22	76	1,385	2,856	2.9 K to 2.9 K (-2.59 %)
Apr 03 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	230	2	2,932	2.7 K to 2.9 K (+8.51 %)
Feb 18 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	18.64	401	7,475	2,702	3.1 K to 2.7 K (-12.92 %)
Feb 18 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Grant	A	0.01	3,103	31	3,103	0 to 3.1 K
Feb 04 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	A	0.00	9,750	0	12,712
Feb 04 2009	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	A	19.19	9,750	187,103	14,186
Jul 02 2008	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.00	1,476	0	2,962
Jul 02 2008	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	25.36	200	5,073	0	200 to 0 (-100.00 %)
Jul 02 2008	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	25.35	200	5,071	200	400 to 200 (-50.00 %)
Jul 02 2008	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	25.35	794	20,130	400	1.2 K to 400 (-66.50 %)

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