Ho Chang Ahn

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
RNN	$1.31	1,008,078	$1,320,582.18	11,338,924	2011-05-18	Filing
RNN	$1.22	320,846	$391,432.12	10,330,846	2011-04-01	Filing
RNN	$0.68	260,000	$176,800.00	10,520,000	2009-05-04	Filing