| 2018-05-08 | | Chairman of the Board and CEO | Sell | 8,958 | $127.33 | $1,140,585.76 | - | → |
| 2018-05-04 | | Chairman of the Board and CEO | Sell | 15,000 | $123.76 | $1,856,343.64 | - | → |
| 2018-05-01 | | Chairman of the Board and CEO | Sell | 5,000 | $121.73 | $608,634.64 | - | → |
| 2018-04-30 | | Chairman of the Board and CEO | Sell | 5,000 | $120.95 | $604,765.25 | - | → |
| 2018-04-27 | | Chairman of the Board and CEO | Sell | 5,000 | $120.25 | $601,241.45 | - | → |
| 2018-04-26 | | Chairman of the Board and CEO | Sell | 5,000 | $120.63 | $603,126.68 | - | → |
| 2018-04-25 | | Chairman of the Board and CEO | Sell | 5,000 | $117.01 | $585,058.36 | - | → |
| 2018-04-24 | | Chairman of the Board and CEO | Sell | 15,000 | $121.74 | $1,826,031.96 | - | → |
| 2018-04-19 | | Chairman of the Board and CEO | Sell | 5,000 | $123.91 | $619,551.18 | - | → |
| 2018-04-18 | | Chairman of the Board and CEO | Sell | 5,000 | $124.00 | $620,021.80 | - | → |
| 2018-04-17 | | Chairman of the Board and CEO | Sell | 5,000 | $122.53 | $612,625.37 | - | → |
| 2018-04-16 | | Chairman of the Board and CEO | Sell | 5,000 | $119.62 | $598,087.98 | - | → |