S Keith Ehrlich

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
SNTA	$4.70	4,397	$20,661.50	17,573	2012-03-01	Filing
SNTA	$5.51	2,537	$13,966.19	17,573	2011-03-01	Filing
SNTA	$6.18	5,600	$34,619.20	14,826	2009-01-05	Filing