| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Jun 13, 2018 | Vice President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 6,642 | $327.82 | 6,642 | |
| Jun 13, 2018 | Vice President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 13,841 | $327.82 | 13,841 | |
| Feb 18, 2018 | President and COO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 5,954 | -- | 90,688 | |
| Feb 18, 2018 | President and COO | Form 4 | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 2,686 | $350.36 | 88,002 | |
| Feb 18, 2018 | President and COO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 5,954 | -- | 14,748 | |
| Feb 13, 2018 | President and COO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 18,939 | -- | 93,276 | |
| Feb 13, 2018 | President and COO | Form 4 | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 8,542 | -- | 84,734 | |
| Feb 13, 2018 | President and COO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 16,257 | -- | 52,269 | |
| Feb 13, 2018 | President and COO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 18,939 | -- | 33,330 | |
| Feb 13, 2018 | President and COO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 4,516 | -- | 20,702 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.