| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $55.72 | 900 | $50,148.00 | 4,600 | 2013-02-11 | Filing |
| Director | $42.28 | 500 | $21,140.00 | 16,500 | 2013-01-03 | Filing |
| Officer | $0.00 | 500 | $0.00 | 8,606 | 2012-06-15 | Filing |
| Director | $37.17 | 2,000 | $74,340.00 | 11,000 | 2011-03-23 | Filing |
| Director | $34.53 | 6,405 | $221,164.65 | 5,600 | 2011-03-16 | Filing |
| Director | $35.70 | 95 | $3,391.50 | 12,005 | 2011-03-16 | Filing |
| Officer | $31.90 | 1,500 | $47,850.00 | 0 | 2010-12-14 | Filing |
| Director | $30.21 | 500 | $15,105.00 | 12,000 | 2010-08-18 | Filing |
| Director | $30.19 | 500 | $15,095.00 | 12,500 | 2010-08-18 | Filing |
| Large Shareholder, Director | $27.64 | 28,562 | $789,453.68 | 614,904 | 2010-06-22 | Filing |
| Large Shareholder, Director | $27.98 | 13,938 | $389,985.24 | 763,811 | 2010-06-21 | Filing |
| Large Shareholder, Director | $27.64 | 28,562 | $789,453.68 | 735,249 | 2010-06-22 | Filing |
| Large Shareholder, Director | $27.98 | 13,938 | $389,985.24 | 763,811 | 2010-06-21 | Filing |
| Director | $32.16 | 890 | $28,622.40 | 6,000 | 2010-03-05 | Filing |
| Director | $32.50 | 1,110 | $36,075.00 | 6,890 | 2010-03-05 | Filing |
| Large Shareholder, Director | $37.84 | 4,774 | $180,648.16 | 0 | 2009-06-29 | Filing |
| Large Shareholder, Director | $37.77 | 5,000 | $188,850.00 | 4,774 | 2009-06-25 | Filing |
| Large Shareholder, Officer, Director | $37.78 | 5,000 | $188,900.00 | 9,774 | 2009-06-24 | Filing |
| Large Shareholder, Officer, Director | $37.21 | 5,000 | $186,050.00 | 14,774 | 2009-06-23 | Filing |
| Large Shareholder, Officer, Director | $36.74 | 5,000 | $183,700.00 | 19,774 | 2009-06-22 | Filing |