| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| OA | Director | Jun 06, 2018 | Option Exercise | $134.50 | 12,234 | 1,645,473 | 0 | Jun 07, 2018, 05:41 PM |
| OA | Director | Jun 06, 2018 | Option Exercise | $134.50 | 2,076 | 279,222 | 0 | Jun 07, 2018, 05:41 PM |
| OA | Director | Jan 06, 2016 | Sale | $94.00 | 1,392 | 130,848 | 943 | Jan 06, 2016, 07:53 PM |
| OA | Director | Jan 01, 2016 | Option Exercise | $89.34 | 727 | 64,950 | 4,854 | Jan 05, 2016, 07:39 PM |
| OA | Director | Jan 01, 2016 | Option Exercise | $28.91 | 2,245 | 64,903 | 5,581 | Jan 05, 2016, 07:39 PM |
| OA | Director | Jan 04, 2016 | Sale | $88.88 | 2,519 | 223,877 | 2,335 | Jan 05, 2016, 07:39 PM |
| OA | Director | Nov 06, 2015 | Sale | $84.40 | 1,407 | 118,751 | 16,873 | Nov 06, 2015, 03:44 PM |
| ORB | Director | Jan 01, 2015 | Option Exercise | $11.47 | 5,000 | 57,350 | 56,464 | Jan 02, 2015, 04:22 PM |
| ORB | Director | May 10, 2011 | Sale | $19.00 | 4,598 | 87,339 | 43,287 | May 12, 2011, 05:22 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| OA | Director | Jun 06, 2018 | Option Exercise | 1,645,473 |
| OA | Director | Jun 06, 2018 | Option Exercise | 279,222 |
| OA | Director | Jan 06, 2016 | Sale | 130,848 |
| OA | Director | Jan 01, 2016 | Option Exercise | 64,950 |
| OA | Director | Jan 01, 2016 | Option Exercise | 64,903 |
| OA | Director | Jan 04, 2016 | Sale | 223,877 |
| OA | Director | Nov 06, 2015 | Sale | 118,751 |
| ORB | Director | Jan 01, 2015 | Option Exercise | 57,350 |
| ORB | Director | May 10, 2011 | Sale | 87,339 |