| 2018-03-16 | COOK SCOTT D | Chairman of Exec. Committee | Sell | 177,800 | $177.90 | $31,629,847.16 | -0.6% | → |
| 2018-03-12 | COOK SCOTT D | Chairman of Exec. Committee | Sell | 207,110 | $175.86 | $36,422,275.88 | -0.2% | → |
| 2018-03-08 | COOK SCOTT D | Chairman of Exec. Committee | Sell | 159,556 | $170.26 | $27,165,852.18 | -0.3% | → |
| 2018-02-28 | COOK SCOTT D | Chairman of Exec. Committee | Sell | 107,463 | $169.37 | $18,201,214.01 | -0.2% | → |
| 2018-02-27 | STANSBURY HENRY TAYLOE | EVP, Chief Technology Officer | Sale+OE | 9,666 | $171.59 | $1,658,553.04 | -48.7% | → |
| 2018-02-27 | COOK SCOTT D | Chair of Exec. Committee | Sell | 259,205 | $171.72 | $44,510,217.29 | -0.4% | → |
| 2017-12-27 | STANSBURY HENRY TAYLOE | EVP & Chief Technology Officer | Sale+OE | 2,158 | $158.94 | $342,982.16 | -70.8% | → |
| 2017-12-21 | COOK SCOTT D | Chairman of Exec. Committee | Sell | 184,733 | $158.98 | $29,368,748.83 | -0.3% | → |
| 2017-12-19 | COOK SCOTT D | Chairman of Exec. Committee | Sell | 150,994 | $160.81 | $24,281,995.67 | -0.3% | → |
| 2017-12-08 | COOK SCOTT D | Chair, Executive Committee | Sell | 183,333 | $155.03 | $28,421,755.62 | -0.3% | → |
| 2017-11-28 | FLOURNOY MARK J | VP & Chief Accounting Officer | Sale+OE | 13,424 | $155.56 | $2,088,254.06 | -38.3% | → |