Bei Lu

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
CTEK	$4.31	13,800	$59,478.00	9,482,751	2011-03-03	Filing
CTEK	$4.32	41,350	$178,632.00	9,468,951	2011-03-02	Filing
CTEK	$4.55	42,853	$194,981.15	9,427,601	2011-03-01	Filing
CTEK	$4.69	9,400	$44,124.54	9,384,748	2011-02-28	Filing