Insider Transactions by SIEGEL HOWARD B

Symbol	Relationship	Date	Transaction	Cost	# Shares	Value($)	Total Shares	Form 4
CHKE	President and COO	Aug 11, 2017	Option Exercise	$4.22	23,697	100,001	89,299	Aug 15, 2017, 05:10 PM
CHKE	President	Jun 17, 2015	Option Exercise	$22.70	10,000	227,000	73,432	Jun 19, 2015, 01:11 PM
CHKE	President	Jun 17, 2015	Sale	$26.46	10,000	264,553	65,602	Jun 19, 2015, 01:11 PM
CHKE	President	Jan 30, 2015	Option Exercise	$18.18	4,449	80,883	45,602	Feb 03, 2015, 06:39 PM
CHKE	President	Dec 19, 2014	Option Exercise	$16.08	1,300	20,904	39,918	Dec 22, 2014, 04:09 PM
CHKE	President	Dec 18, 2014	Option Exercise	$16.08	1,001	16,096	39,719	Dec 22, 2014, 04:09 PM
CHKE	President	Dec 22, 2014	Option Exercise	$16.08	29,045	467,044	55,064	Dec 22, 2014, 04:09 PM
CHKE	President	Dec 19, 2014	Sale	$19.05	1,300	24,770	38,718	Dec 22, 2014, 04:09 PM
CHKE	President	Dec 18, 2014	Sale	$19.70	1,001	19,720	38,718	Dec 22, 2014, 04:09 PM
CHKE	President	Dec 22, 2014	Sale	$18.86	29,045	547,681	38,718	Dec 22, 2014, 04:09 PM
CHKE	President	Dec 16, 2014	Option Exercise	$16.08	18,654	299,956	57,372	Dec 17, 2014, 08:21 PM
CHKE	President	Dec 16, 2014	Sale	$19.87	18,654	370,655	38,718	Dec 17, 2014, 08:21 PM

Desktop Version

Symbol	Relationship	Date	Transaction	Value($)
CHKE	President and COO	Aug 11, 2017	Option Exercise	100,001
CHKE	President	Jun 17, 2015	Option Exercise	227,000
CHKE	President	Jun 17, 2015	Sale	264,553
CHKE	President	Jan 30, 2015	Option Exercise	80,883
CHKE	President	Dec 19, 2014	Option Exercise	20,904
CHKE	President	Dec 18, 2014	Option Exercise	16,096
CHKE	President	Dec 22, 2014	Option Exercise	467,044
CHKE	President	Dec 19, 2014	Sale	24,770
CHKE	President	Dec 18, 2014	Sale	19,720
CHKE	President	Dec 22, 2014	Sale	547,681
CHKE	President	Dec 16, 2014	Option Exercise	299,956
CHKE	President	Dec 16, 2014	Sale	370,655