S Robert Ehrlich

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ARTX	$2.43	7,500	$18,225.00	1,229,545	2014-11-13	Filing
ARTX	$0.90	11,000	$9,893.40	1,294,545	2012-05-21	Filing
ARTX	$0.88	11,000	$9,680.00	1,283,545	2012-05-18	Filing