Insider Stock Trading History of Greylock Xi Gp Limited Partnership


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 Greylock Xi Gp Limited Partnership since year 2005. The trader's CIK number is 1351699. At the time of this reporting, Greylock Xi Gp Limited Partnership is the 10% Owner of Data Domain, Inc. . (stock ticker symbol DDUP). See this page for all insider trading activities at Data Domain, Inc. .


Stock purchases, sales, and option exercises reported by insider Greylock Xi Gp Limited Partnership since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2008-02-28 DDUP Data Domain, Inc. Sale 900,000 20.00 18,000,000
2007-12-03 DDUP Data Domain, Inc. Sale 85,962 25.89 2,225,556
2007-11-21 DDUP Data Domain, Inc. Sale 914,423 25.89 23,670,753

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 Greylock Xi Gp Limited Partnership (10% Owner of Data Domain, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.