Insider Stock Trading History of Helsel Brett


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 Helsel Brett since year 2005. The trader's CIK number is 1186035. At the time of this reporting, Helsel Brett is the SVP Engineering of Isilon Systems, Inc. . (stock ticker symbol ISLN). See this page for all insider trading activities at Isilon Systems, Inc. .


Stock purchases, sales, and option exercises reported by insider Helsel Brett since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2010-11-01 ISLN Isilon Systems, Inc. Option Ex 60,000 3.66 219,900
2010-11-01 ISLN Isilon Systems, Inc. Sale 60,000 28.26 1,695,480
2010-08-23 ISLN Isilon Systems, Inc. Option Ex 20,000 4.76 95,200
2010-08-23 ISLN Isilon Systems, Inc. Sale 20,000 19.90 398,000
2010-08-02 ISLN Isilon Systems, Inc. Option Ex 50,000 3.66 183,250
2010-08-02 ISLN Isilon Systems, Inc. Sale 50,000 18.06 903,100
2010-06-21 ISLN Isilon Systems, Inc. Option Ex 25,000 4.76 119,000
2010-06-21 ISLN Isilon Systems, Inc. Sale 25,000 14.90 372,500
2010-05-17 ISLN Isilon Systems, Inc. Option Ex 25,000 2.57 64,249
2010-05-17 ISLN Isilon Systems, Inc. Sale 25,000 14.21 355,325

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 Helsel Brett (SVP Engineering of Isilon Systems, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.