Dec 21, 2011 Sell -700 11.28 USD $7.9K SEC Dec 21, 2011 Sell -700 11.28 USD $7.9K SEC Dec 21, 2011 Sell -600 11.27 USD $6.8K SEC Dec 20, 2011 Sell -600 10.95 USD $6.6K SEC Dec 20, 2011 Sell -600 10.95 USD $6.6K SEC Dec 20, 2011 Buy 400 13.85 USD $5.5K conv 71? Cluster? SEC Dec 20, 2011 Buy 300 13.84 USD $4.2K conv 57? Cluster? SEC Dec 20, 2011 Buy 160 13.83 USD $2.2K conv 71? Cluster? SEC Dec 20, 2011 Buy 400 13.85 USD $5.5K conv 71? Cluster? SEC Dec 20, 2011 Buy 300 13.84 USD $4.2K conv 55? Cluster? SEC Dec 20, 2011 Buy 400 13.85 USD $5.5K conv 54? Cluster? SEC Dec 20, 2011 Buy 400 13.85 USD $5.5K conv 71? Cluster? SEC Dec 20, 2011 Buy 160 13.83 USD $2.2K conv 71? Cluster? SEC Dec 20, 2011 Buy 140 13.83 USD $1.9K conv 57? Cluster? SEC Dec 20, 2011 Buy 140 13.83 USD $1.9K conv 57? Cluster? SEC Jan 12, 2009 Buy 140 13.83 $1.9K conv 57? Cluster? SEC Jan 12, 2009 Sell 600 10.95 $6.6K SEC Jan 12, 2009 Buy 300 13.84 $4.2K conv 55? Cluster? SEC Jan 12, 2009 Buy 400 13.85 $5.5K conv 54? Cluster? SEC Jan 12, 2009 Buy 160 13.83 $2.2K conv 71? Cluster? SEC Jan 12, 2009 Buy 400 13.85 $5.5K conv 71? Cluster? SEC Nov 29, 2005 Buy 1,200 13.07 USD $15.7K conv 57? Cluster? First in 12mo? SEC