Insider Stock Trading History of Siekierka Nathan


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 Siekierka Nathan since year 2005. The trader's CIK number is 1430782. At the time of this reporting, Siekierka Nathan is the Vice Pres., Human Re of Computer Sciences Corp . (stock ticker symbol CSC). See this page for all insider trading activities at Computer Sciences Corp .


Stock purchases, sales, and option exercises reported by insider Siekierka Nathan since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2010-06-18 CSC Computer Sciences Corp Option Ex 1,516 .00 0
2010-05-22 CSC Computer Sciences Corp Option Ex 1,212 .00 0
2009-12-01 CSC Computer Sciences Corp Sale 5,000 55.53 277,635
2009-12-01 CSC Computer Sciences Corp Option Ex 5,000 46.90 234,500
2009-05-22 CSC Computer Sciences Corp Option Ex 2,995 .00 0
2008-05-22 CSC Computer Sciences Corp Option Ex 1,782 .00 0

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 Siekierka Nathan (Vice Pres., Human Re of Computer Sciences Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.