D Michael Step

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
SNTS	$23.17	30,303	$702,184.15	1,497	2013-09-05	Filing
SNTS	$21.76	30,301	$659,416.42	1,497	2013-07-05	Filing
SNTS	$18.74	30,301	$567,701.36	1,497	2013-05-06	Filing
SNTS	$15.45	30,301	$468,098.94	1,497	2013-03-05	Filing