Prokop Basil P

Retired President-Canada Distr at Core-Mark Holding Company, Inc. · on record since Nov 17, 2008
President -Canada Distribution at Core-Mark Holding Company, Inc. · on record since Nov 7, 2005

Insider trading activity of Prokop Basil P

Transactions on record: 118; since May 25, 2006

Open-market buys: 0

Open-market sells: 85; $3.8M

Companies traded: 1; last filing Nov 17, 2008

Figures computed from official regulatory filings — methodology.

Companies where Prokop Basil P has traded

Core-Mark Holding Company, Inc.118 tx · $5.2M · Nov 17, 2008

Track record of Prokop Basil P

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Prokop Basil P

Co-insiders of Prokop Basil P

ALLEN ROBERT ACore-Mark Holding Company, Inc.
Antholzner Gregory PCore-Mark Holding Company, Inc.
BOOTH STUART WCore-Mark Holding Company, Inc.
Brandon BrianCore-Mark Holding Company, Inc.
COLTER GARY FCore-Mark Holding Company, Inc.
Dewbre RockyCore-Mark Holding Company, Inc.
Flanagan Laura JeanCore-Mark Holding Company, Inc.

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Company	Filed	Type	Qty	Price	Value · USD	Src
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-6	17.74	$106.4	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-300	17.69	$5.3K	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-194	17.66	$3.4K	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Exercise	2,212	0.00	$0	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-4	17.76	$71	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-85	17.89	$1.5K	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	ExerciseD	-2,212	0.00	$0	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-4	17.70	$70.8	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-611	17.65	$10.8K	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-200	17.84	$3.6K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-100	29.94	$3K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-200	29.85	$6K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-300	29.89	$9K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-100	30.19	$3K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-100	30.25	$3K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Exercise	1,400	0.00	$0	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-300	29.86	$9K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-200	29.89	$6K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	ExerciseD	-1,400	0.00	$0	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-100	29.93	$3K	SEC
Core-Mark Holding Company, Inc.	Aug 15, 2008	Sell	-19,243	29.15	$560.9K	SEC
Core-Mark Holding Company, Inc.	Aug 15, 2008	Exercise	19,243	15.50	$298.3K	SEC
Core-Mark Holding Company, Inc.	Aug 15, 2008	ExerciseD	-19,243	0.00	$0	SEC
Core-Mark Holding Company, Inc.	Aug 13, 2008	Sell	-100	29.35	$2.9K	SEC
Core-Mark Holding Company, Inc.	Aug 13, 2008	Exercise	40,035	15.50	$620.5K	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-6	17.74	$106.4	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-300	17.69	$5.3K	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-194	17.66	$3.4K	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Exercise	2,212	0.00	$0	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-4	17.76	$71	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-85	17.89	$1.5K	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	ExerciseD	-2,212	0.00	$0	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-4	17.70	$70.8	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-611	17.65	$10.8K	SEC
Core-Mark Holding Company, Inc.	Nov 17, 2008	Sell	-200	17.84	$3.6K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-100	29.94	$3K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-200	29.85	$6K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-300	29.89	$9K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-100	30.19	$3K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-100	30.25	$3K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Exercise	1,400	0.00	$0	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-300	29.86	$9K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-200	29.89	$6K	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	ExerciseD	-1,400	0.00	$0	SEC
Core-Mark Holding Company, Inc.	Aug 19, 2008	Sell	-100	29.93	$3K	SEC
Core-Mark Holding Company, Inc.	Aug 15, 2008	Sell	-19,243	29.15	$560.9K	SEC
Core-Mark Holding Company, Inc.	Aug 15, 2008	Exercise	19,243	15.50	$298.3K	SEC
Core-Mark Holding Company, Inc.	Aug 15, 2008	ExerciseD	-19,243	0.00	$0	SEC
Core-Mark Holding Company, Inc.	Aug 13, 2008	Sell	-100	29.35	$2.9K	SEC
Core-Mark Holding Company, Inc.	Aug 13, 2008	Exercise	40,035	15.50	$620.5K	SEC