| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 | 
   | Large Shareholder, Officer, Director | $42.45 | 300 | $12,735.00 | 170,546 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.50 | 100 | $4,250.00 | 170,846 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.48 | 475 | $20,178.00 | 170,946 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.52 | 400 | $17,008.00 | 171,421 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.51 | 625 | $26,568.75 | 171,821 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.53 | 200 | $8,506.00 | 172,446 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.58 | 100 | $4,257.50 | 172,646 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.59 | 100 | $4,259.00 | 172,746 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.62 | 100 | $4,262.00 | 172,846 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.58 | 200 | $8,516.00 | 172,946 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.58 | 100 | $4,258.01 | 173,146 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.39 | 500 | $21,195.00 | 173,246 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.23 | 100 | $4,223.01 | 173,746 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.18 | 100 | $4,218.01 | 173,846 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.06 | 100 | $4,206.22 | 173,946 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.09 | 500 | $21,045.00 | 174,046 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.54 | 100 | $4,254.00 | 174,546 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.09 | 100 | $4,209.01 | 174,646 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.18 | 700 | $29,522.99 | 174,746 | 2012-08-23 | Filing | 
  | Large Shareholder, Officer, Director | $42.08 | 300 | $12,622.50 | 175,446 | 2012-08-23 | Filing |