Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $143.93 | 1,000 | Director | 2,000 | 2023-10-24 | Filing |
| $149.27 | 1,000 | Director | 1,000 | 2022-11-08 | Filing |
| $132.87 | 1,000 | Director | 1,065 | 2020-02-11 | Filing |
| $79.74 | 4,000 | Director | 4,000 | 2017-02-22 | Filing |
| $55.51 | 18,040 | Director | 59,125 | 2016-01-26 | Filing |
| $80.98 | 13,585 | Director | 41,085 | 2015-05-20 | Filing |
| $83.21 | 25,000 | Officer | 25,000 | 2015-02-26 | Filing |
| $55.17 | 35,250 | Director | 35,250 | 2012-11-19 | Filing |
| $55.16 | 35,250 | Director | 35,250 | 2012-11-19 | Filing |
| $43.56 | 2,700 | Director | 25,000 | 2011-02-25 | Filing |
| $43.55 | 2,300 | Director | 22,300 | 2011-02-25 | Filing |
| $39.38 | 20,000 | Director | 20,000 | 2010-10-25 | Filing |
| $40.82 | 20,000 | Director | 230,300 | 2010-03-12 | Filing |
| $38.00 | 10,000 | Director | 85,541 | 2010-01-25 | Filing |
| $39.40 | 5,400 | Director | 24,400 | 2009-11-10 | Filing |
| $25.11 | 8,000 | Director | 19,000 | 2009-06-04 | Filing |
| $14.06 | 20,000 | Director | 27,500 | 2009-02-18 | Filing |
| $17.74 | 4,000 | Director | 20,000 | 2009-01-28 | Filing |
| $17.76 | 50,000 | Director | 210,300 | 2009-01-28 | Filing |