| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $67.33 | 7,447 | $501,396.83 | 7,447 | 2014-07-18 | Filing |
| Large Shareholder, Director | $45.28 | 10,500 | $475,476.75 | 10,500 | 2013-05-08 | Filing |
| Large Shareholder, Director | $45.10 | 600 | $27,060.00 | 600 | 2013-05-08 | Filing |
| Large Shareholder, Director | $45.10 | 2,100 | $94,710.00 | 2,100 | 2013-05-08 | Filing |
| Large Shareholder, Director | $45.10 | 3,100 | $139,810.00 | 11,307,461 | 2013-05-08 | Filing |
| Large Shareholder, Director | $29.10 | 9,000 | $261,859.50 | 9,000 | 2012-08-01 | Filing |
| Large Shareholder, Director | $29.21 | 3,000 | $87,632.70 | 28,000 | 2012-07-31 | Filing |
| Large Shareholder, Director | $29.23 | 4,000 | $116,923.60 | 11,500 | 2012-07-31 | Filing |
| Large Shareholder, Director | $29.17 | 8,000 | $233,360.00 | 11,304,361 | 2012-07-31 | Filing |
| Large Shareholder, Director | $29.75 | 7,500 | $223,111.50 | 7,500 | 2012-05-14 | Filing |
| Large Shareholder, Director | $23.04 | 2,170,139 | $50,000,002.56 | 11,296,361 | 2012-01-24 | Filing |
| Large Shareholder | $23.04 | 2,170,139 | $50,000,002.56 | 11,296,361 | 2012-01-24 | Filing |
| Large Shareholder, Director | $25.45 | 25,000 | $636,182.50 | 25,000 | 2011-10-31 | Filing |
| Officer | $23.91 | 2,000 | $47,822.80 | 2,000 | 2011-09-21 | Filing |
| Officer | $24.00 | 1,111 | $26,664.00 | 1,111 | 2011-09-20 | Filing |
| Director | $22.97 | 6,990 | $160,560.30 | 6,990 | 2011-09-19 | Filing |
| Director | $23.16 | 18,010 | $417,111.60 | 46,163 | 2011-09-19 | Filing |
| Officer | $7.30 | 2,150 | $15,695.00 | 51,000 | 2009-02-27 | Filing |
| Officer | $7.30 | 400 | $2,920.00 | 48,850 | 2009-02-26 | Filing |
| Officer | $5.75 | 1,000 | $5,750.00 | 25,970 | 2009-03-06 | Filing |