Insider Transactions by Leets Karen L

Symbol Relationship Date Transaction Cost # Shares Value($) Total Shares Form 4
USG Vice President Feb 13, 2012 Option Exercise $14.47 127 1,838 24,219 Feb 14, 2012, 03:03 PM
USG Vice President Feb 11, 2012 Option Exercise $14.57 2,057 29,967 25,891 Feb 14, 2012, 03:03 PM
USG Vice President Feb 10, 2012 Option Exercise $13.99 440 6,156 26,403 Feb 14, 2012, 03:03 PM
USG Vice President Feb 09, 2012 Option Exercise $14.69 278 4,084 26,843 Feb 10, 2012, 04:52 PM
USG Vice President Mar 23, 2011 Option Exercise $16.09 89 1,432 18,758 Mar 24, 2011, 01:56 PM
USG Vice President Feb 13, 2011 Option Exercise $19.10 142 2,712 18,576 Feb 14, 2011, 02:16 PM
USG Vice President Feb 11, 2011 Option Exercise $19.10 580 11,078 18,718 Feb 14, 2011, 02:16 PM
USG Vice President Feb 10, 2011 Option Exercise $18.73 440 8,241 19,298 Feb 14, 2011, 02:16 PM
USG Vice President Aug 08, 2010 Option Exercise $12.01 376 4,516 16,623 Aug 09, 2010, 05:18 PM

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Symbol Relationship Date Transaction Value($)
USG Vice President Feb 13, 2012 Option Exercise 1,838
USG Vice President Feb 11, 2012 Option Exercise 29,967
USG Vice President Feb 10, 2012 Option Exercise 6,156
USG Vice President Feb 09, 2012 Option Exercise 4,084
USG Vice President Mar 23, 2011 Option Exercise 1,432
USG Vice President Feb 13, 2011 Option Exercise 2,712
USG Vice President Feb 11, 2011 Option Exercise 11,078
USG Vice President Feb 10, 2011 Option Exercise 8,241
USG Vice President Aug 08, 2010 Option Exercise 4,516