Thanks for posting the insiders' log of trades in NGSX for last year. Last year is history. Last year the buyers were probably drinking the cool-aid laced with capsaisin that the red hot chili pepper juice was going to be an easy approval by the FDA.
Do you have the chart of more recent activity, like for calendar year 2012, especially for this month? Could be data in there that might prove more interesting.
Sorry, corrupted poster, but I am unconvinced. All IMHO.