Insider Stock Trading History of Sperry Mark A


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Sperry Mark A since year 2005. The trader's CIK number is 1279246. At the time of this reporting, Sperry Mark A is the VP & GM, Continuous of Plug Power Inc . (stock ticker symbol PLUG). See this page for all insider trading activities at Plug Power Inc .


Stock purchases, sales, and option exercises reported by insider Sperry Mark A since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2010-03-05 PLUG Plug Power Inc Sale 20,375 .53 10,819
2009-04-03 PLUG Plug Power Inc Sale 48,000 .92 44,160
2008-02-04 PLUG Plug Power Inc Sale 3,150 2.92 9,182
2007-02-01 PLUG Plug Power Inc Sale 3,200 3.65 11,680

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Sperry Mark A (VP & GM, Continuous of Plug Power Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.