Insider Stock Trading History of Maitland Peter K

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 Maitland Peter K since year 2005. The trader's CIK number is 1207303. At the time of this reporting, Maitland Peter K is the Vice President of Usg Corp . (stock ticker symbol usg). See this page for all insider trading activities at Usg Corp .

Stock purchases, sales, and option exercises reported by insider Maitland Peter K since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2006-05-03 USG Usg Corp Sale 16,000 105.21 1,683,360
2006-05-03 USG Usg Corp Option Ex 16,000 45.01 720,112

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 Maitland Peter K (Vice President of Usg Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.