Last week (May 14th to 18th, 2012), insiders made noteworthy buys (see definition below) in two plunging energy stocks and one plunging mining stock, and noteworthy buys in several other basic materials and energy companies (a ... Last week, on Tuesday and Friday, two insiders filed SEC Forms 4 indicating that they purchased 54000 shares for $0.20 million, with the large majority (53000 shares) purchased by Director Denis Arsenault, who ended with 145336 ...http://seekingalpha.com/