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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No. of Purchases	0	0	0	0	0	0	0
Value of Purchases ($)	0	0	0	0	0	0	0
No. of Sales	0	0	0	0	0	0	0
Value of Sales ($)	0	0	0	0	0	0	0

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Feb 03 2015	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Grant	A	0.01	26,008	260	118,857	92.8 K to 118.9 K (+28.01 %)
Jan 05 2015	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	1,666	17	6,668
Jan 05 2015	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	1,084	11	0
Jan 05 2015	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	61.93	628	38,892	92,849	93.5 K to 92.8 K (-0.67 %)
Jan 05 2015	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	61.93	1,436	88,931	93,477	94.9 K to 93.5 K (-1.51 %)
Jan 05 2015	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	1,666	17	94,913	93.2 K to 94.9 K (+1.79 %)
Jan 05 2015	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	1,084	11	93,247	92.2 K to 93.2 K (+1.18 %)
Oct 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	1,666	17	8,334
Oct 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	1,084	11	1,084
Oct 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	53.04	640	33,946	92,163	92.8 K to 92.2 K (-0.69 %)
Oct 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	53.04	1,436	76,165	92,803	94.2 K to 92.8 K (-1.52 %)
Oct 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	1,666	17	94,239	92.6 K to 94.2 K (+1.80 %)
Oct 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	1,084	11	92,573	91.5 K to 92.6 K (+1.18 %)
Aug 19 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	9.60	19,500	187,103	0
Aug 19 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	12.91	17,290	223,127	19,500
Aug 19 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Sell	S	49.03	36,790	1,803,854	91,489	128.3 K to 91.5 K (-28.68 %)
Aug 19 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	9.60	19,500	187,103	128,279	108.8 K to 128.3 K (+17.93 %)
Aug 19 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	12.91	17,290	223,127	108,779	91.5 K to 108.8 K (+18.90 %)
Jul 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	1,668	8	10,000
Jul 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	1,082	5	2,168
Jul 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	45.63	479	21,857	91,449	91.9 K to 91.4 K (-0.52 %)
Jul 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	45.63	1,306	59,593	91,928	93.2 K to 91.9 K (-1.40 %)
Jul 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	1,668	8	93,234	91.6 K to 93.2 K (+1.82 %)
Jul 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	1,082	5	91,566	90.5 K to 91.6 K (+1.20 %)
Apr 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	314	3	6,353
Apr 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	542	5	1,625
Apr 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	72.60	226	16,408	44,092	44.3 K to 44.1 K (-0.51 %)
Apr 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	72.60	518	37,607	44,318	44.8 K to 44.3 K (-1.16 %)
Apr 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	314	3	44,836	44.5 K to 44.8 K (+0.71 %)
Apr 02 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	542	5	44,522	44 K to 44.5 K (+1.23 %)
Mar 19 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	36.96	4,436	163,955	18,395
Mar 19 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Sell	S	72.20	4,436	320,279	43,980	48.4 K to 44 K (-9.16 %)
Mar 19 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	36.96	4,436	163,955	48,416	44 K to 48.4 K (+10.09 %)
Jan 23 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	3,333	33	6,667
Jan 23 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	77.69	1,309	101,696	43,980	45.3 K to 44 K (-2.89 %)
Jan 23 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	3,333	33	45,289	42 K to 45.3 K (+7.94 %)
Jan 03 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	542	5	2,167
Jan 03 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	563	6	0
Jan 03 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	75.93	534	40,547	41,956	42.5 K to 42 K (-1.26 %)
Jan 03 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	75.93	577	43,812	42,490	43.1 K to 42.5 K (-1.34 %)
Jan 03 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	542	5	43,067	42.5 K to 43.1 K (+1.27 %)
Jan 03 2014	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	563	6	42,525	42 K to 42.5 K (+1.34 %)
Oct 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	541	5	2,709
Oct 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	562	6	563
Oct 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	66.44	577	38,336	41,962	42.5 K to 42 K (-1.36 %)
Oct 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	66.44	532	35,346	42,539	43.1 K to 42.5 K (-1.24 %)
Oct 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	541	5	43,071	42.5 K to 43.1 K (+1.27 %)
Oct 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	562	6	42,530	42 K to 42.5 K (+1.34 %)
Jul 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	542	5	3,250
Jul 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	563	6	1,125
Jul 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	63.97	387	24,756	41,968	42.4 K to 42 K (-0.91 %)
Jul 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	63.97	418	26,739	42,355	42.8 K to 42.4 K (-0.98 %)
Jul 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	542	5	42,773	42.2 K to 42.8 K (+1.28 %)
Jul 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	563	6	42,231	41.7 K to 42.2 K (+1.35 %)
Apr 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	542	5	3,792
Apr 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	M	0.01	562	6	1,688
Apr 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	51.01	341	17,394	41,668	42 K to 41.7 K (-0.81 %)
Apr 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	51.01	369	18,823	42,009	42.4 K to 42 K (-0.87 %)
Apr 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	542	5	42,378	41.8 K to 42.4 K (+1.30 %)
Apr 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Buy	M	0.01	562	6	41,836	41.3 K to 41.8 K (+1.36 %)
Feb 07 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Payment of Exercise	F	49.14	904	44,423	41,172	42.1 K to 41.2 K (-2.15 %)
Feb 07 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Grant	A	0.01	7,212	72	42,076	34.9 K to 42.1 K (+20.69 %)
Jan 30 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	President and CEO	Option Exercise	A	0.01	10,000	100	10,000
Jan 23 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	2,166	22	4,334
Jan 23 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	51.32	710	36,437	34,864	35.6 K to 34.9 K (-2.00 %)
Jan 23 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	2,166	22	35,574	33.4 K to 35.6 K (+6.48 %)
Jan 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	563	6	2,250
Jan 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	750	8	0
Jan 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	47.35	137	6,487	33,408	33.5 K to 33.4 K (-0.41 %)
Jan 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	47.35	427	20,218	33,545	34 K to 33.5 K (-1.26 %)
Jan 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	563	6	33,972	33.4 K to 34 K (+1.69 %)
Jan 03 2013	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	750	8	33,409	32.7 K to 33.4 K (+2.30 %)
Oct 03 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	562	6	2,813
Oct 03 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	750	8	750
Oct 03 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	48.33	427	20,637	32,659	33.1 K to 32.7 K (-1.29 %)
Oct 03 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	48.33	137	6,621	33,086	33.2 K to 33.1 K (-0.41 %)
Oct 03 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	562	6	33,223	32.7 K to 33.2 K (+1.72 %)
Oct 03 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	750	8	32,661	31.9 K to 32.7 K (+2.35 %)
Jul 05 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	563	6	3,375
Jul 05 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	750	8	1,500
Jul 05 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	48.35	428	20,694	31,911	32.3 K to 31.9 K (-1.32 %)
Jul 05 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	48.35	137	6,624	32,339	32.5 K to 32.3 K (-0.42 %)
Jul 05 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	563	6	32,476	31.9 K to 32.5 K (+1.76 %)
Jul 05 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	750	8	31,913	31.2 K to 31.9 K (+2.41 %)
May 14 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	42.48	2,000	84,961	31,163	33.2 K to 31.2 K (-6.03 %)
Apr 04 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	562	6	3,938
Apr 04 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	750	8	2,250
Apr 04 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	41.35	137	5,665	33,163	33.3 K to 33.2 K (-0.41 %)
Apr 04 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	41.35	431	17,822	33,300	33.7 K to 33.3 K (-1.28 %)
Apr 04 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.00	562	0	33,731	33.2 K to 33.7 K (+1.69 %)
Apr 04 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	750	8	33,169	32.4 K to 33.2 K (+2.31 %)
Feb 08 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	A	0.01	6,500	65	6,500
Feb 08 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	40.85	298	12,173	32,419	32.7 K to 32.4 K (-0.91 %)
Jan 23 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	2,250	23	4,500
Jan 23 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	39.81	245	9,753	32,717	33 K to 32.7 K (-0.74 %)
Jan 23 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	39.81	845	33,639	32,962	33.8 K to 33 K (-2.50 %)
Jan 23 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Grant	A	0.01	2,750	28	33,807	31.1 K to 33.8 K (+8.85 %)
Jan 23 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	2,250	23	31,057	28.8 K to 31.1 K (+7.81 %)
Jan 23 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Grant	A	0.01	2,250	23	28,807	26.6 K to 28.8 K (+8.47 %)
Jan 05 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	813	8	3,000
Jan 05 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	750	8	3,813
Jan 05 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	39.25	300	11,775	26,557	26.9 K to 26.6 K (-1.12 %)
Jan 05 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	39.25	665	26,101	26,857	27.5 K to 26.9 K (-2.42 %)
Jan 05 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	813	8	27,522	26.7 K to 27.5 K (+3.04 %)
Jan 05 2012	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	750	8	26,709	26 K to 26.7 K (+2.89 %)
Oct 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	750	8	4,563
Oct 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	812	8	5,313
Oct 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	30.58	299	9,143	25,959	26.3 K to 26 K (-1.14 %)
Oct 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	30.58	664	20,305	26,258	26.9 K to 26.3 K (-2.47 %)
Oct 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	750	8	26,922	26.2 K to 26.9 K (+2.87 %)
Oct 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	812	8	26,172	25.4 K to 26.2 K (+3.20 %)
Aug 12 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.01	1,000	34,012	25,360	26.4 K to 25.4 K (-3.79 %)
Aug 11 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	35.59	3,244	115,452	26,360	29.6 K to 26.4 K (-10.96 %)
Jul 05 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	750	8	6,125
Jul 05 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	813	8	6,875
Jul 05 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	35.70	665	23,741	29,604	30.3 K to 29.6 K (-2.20 %)
Jul 05 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	35.70	300	10,710	30,269	30.6 K to 30.3 K (-0.98 %)
Jul 05 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	750	8	30,569	29.8 K to 30.6 K (+2.52 %)
Jul 05 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	813	8	29,819	29 K to 29.8 K (+2.80 %)
Apr 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	812	8	7,688
Apr 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.01	750	8	8,500
Apr 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	33.05	508	16,789	29,006	29.5 K to 29 K (-1.72 %)
Apr 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	33.05	229	7,568	29,514	29.7 K to 29.5 K (-0.77 %)
Apr 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	812	8	29,743	28.9 K to 29.7 K (+2.81 %)
Apr 04 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	750	8	28,931	28.2 K to 28.9 K (+2.66 %)
Mar 16 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	15.50	15,277	236,794	0
Mar 16 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	33.71	9,944	335,196	28,181	38.1 K to 28.2 K (-26.08 %)
Mar 16 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	15.50	15,277	236,794	38,125	22.8 K to 38.1 K (+66.86 %)
Feb 03 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	0.00	3,000	0	9,250
Feb 03 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.12	6,000	204,746	22,848	28.8 K to 22.8 K (-20.80 %)
Feb 03 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Payment of Exercise	F	34.22	975	33,365	28,848	29.8 K to 28.8 K (-3.27 %)
Feb 03 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Buy	M	0.01	3,000	30	29,823	26.8 K to 29.8 K (+11.18 %)
Jan 31 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	A	0.01	6,750	68	6,750
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Option Exercise	M	15.50	15,278	236,809	15,277
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.53	205	7,079	26,823	27 K to 26.8 K (-0.76 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.50	859	29,636	27,028	27.9 K to 27 K (-3.08 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.50	50	1,725	27,887	27.9 K to 27.9 K (-0.18 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.48	102	3,517	27,937	28 K to 27.9 K (-0.36 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.47	200	6,893	28,039	28.2 K to 28 K (-0.71 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.45	100	3,445	28,239	28.3 K to 28.2 K (-0.35 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.45	300	10,334	28,339	28.6 K to 28.3 K (-1.05 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.45	500	17,223	28,639	29.1 K to 28.6 K (-1.72 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.44	1,600	55,109	29,139	30.7 K to 29.1 K (-5.21 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.44	143	4,925	30,739	30.9 K to 30.7 K (-0.46 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.38	520	17,878	30,882	31.4 K to 30.9 K (-1.66 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.35	602	20,679	31,402	32 K to 31.4 K (-1.88 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.34	104	3,571	32,004	32.1 K to 32 K (-0.32 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.33	501	17,199	32,108	32.6 K to 32.1 K (-1.54 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.30	181	6,208	32,609	32.8 K to 32.6 K (-0.55 %)
Jan 19 2011	CORE	Core-Mark Holding ...	Perkins Thomas B	SVP of Resources	Sell	S	34.29	500	17,145	32,790	33.3 K to 32.8 K (-1.50 %)

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