| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| LH | Principal Accounting Officer | Apr 01, 2019 | Option Exercise | $154.79 | 1,779 | 275,371 | 13,663 | Apr 03, 2019, 05:24 PM |
| LH | Principal Accounting Officer | Feb 12, 2019 | Option Exercise | $146.59 | 54 | 7,916 | 9,912 | Feb 14, 2019, 04:13 PM |
| LH | Principal Accounting Officer | Feb 11, 2019 | Option Exercise | $144.29 | 124 | 17,892 | 9,770 | Feb 13, 2019, 12:18 PM |
| LH | Principal Accounting Officer | Feb 07, 2019 | Option Exercise | $147.46 | 68 | 10,027 | 9,444 | Feb 11, 2019, 07:48 PM |
| LH | Principal Accounting Officer | Jun 06, 2018 | Option Exercise | $84.86 | 13,000 | 1,103,180 | 22,113 | Jun 08, 2018, 11:11 AM |
| LH | Principal Accounting Officer | Jun 06, 2018 | Sale | $183.35 | 13,000 | 2,383,563 | 9,113 | Jun 08, 2018, 11:11 AM |
| LH | Principal Accounting Officer | Mar 29, 2018 | Option Exercise | $161.75 | 1,600 | 258,800 | 9,113 | Apr 02, 2018, 11:53 AM |
| LH | Principal Accounting Officer | Mar 12, 2018 | Option Exercise | $175.61 | 111 | 19,493 | 5,861 | Mar 14, 2018, 04:12 PM |
| LH | Principal Accounting Officer | Feb 09, 2018 | Option Exercise | $168.08 | 167 | 28,069 | 5,506 | Feb 13, 2018, 01:51 PM |
| LH | Principal Accounting Officer | Feb 07, 2018 | Option Exercise | $169.66 | 92 | 15,609 | 5,223 | Feb 09, 2018, 04:01 PM |
| LH | Principal Accounting Officer | Aug 01, 2017 | Sale | $160.13 | 2,871 | 459,740 | 7,702 | Aug 03, 2017, 04:35 PM |
| LH | Principal Accounting Officer | Mar 29, 2017 | Option Exercise | $143.19 | 2,850 | 408,092 | 7,754 | Mar 31, 2017, 01:49 PM |
| LH | Principal Accounting Officer | Mar 13, 2017 | Option Exercise | $144.24 | 149 | 21,492 | 3,849 | Mar 14, 2017, 02:44 PM |
| LH | Principal Accounting Officer | Feb 13, 2017 | Option Exercise | $134.93 | 182 | 24,557 | 3,598 | Feb 14, 2017, 05:45 PM |
| LH | Principal Accounting Officer | Feb 09, 2017 | Option Exercise | $133.83 | 138 | 18,469 | 3,230 | Feb 13, 2017, 02:31 PM |
| LH | Principal Accounting Officer | Apr 27, 2016 | Sale | $126.42 | 9,392 | 1,187,337 | 2,717 | Apr 29, 2016, 09:01 AM |
| LH | Principal Accounting Officer | Mar 30, 2016 | Option Exercise | $117.85 | 2,349 | 276,830 | 12,109 | Apr 01, 2016, 01:15 PM |
| LH | Principal Accounting Officer | Mar 11, 2016 | Option Exercise | $115.49 | 124 | 14,321 | 7,773 | Mar 15, 2016, 01:44 PM |
| LH | Principal Accounting Officer | Feb 12, 2016 | Option Exercise | $103.02 | 182 | 18,750 | 7,497 | Feb 16, 2016, 04:24 PM |
| LH | Principal Accounting Officer | Feb 11, 2016 | Option Exercise | $101.40 | 212 | 21,497 | 7,132 | Feb 16, 2016, 04:24 PM |
| LH | Principal Accounting Officer | Mar 30, 2015 | Option Exercise | $127.28 | 172 | 21,892 | 6,575 | Apr 01, 2015, 07:46 PM |
| LH | Principal Accounting Officer | Mar 02, 2015 | Option Exercise | $123.36 | 154 | 18,997 | 6,228 | Mar 04, 2015, 10:37 AM |
| LH | Principal Accounting Officer | Feb 12, 2015 | Option Exercise | $116.84 | 178 | 20,798 | 6,382 | Feb 17, 2015, 04:06 PM |
| LH | Principal Accounting Officer | Feb 11, 2015 | Option Exercise | $116.73 | 212 | 24,747 | 6,013 | Feb 13, 2015, 05:44 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| LH | Principal Accounting Officer | Apr 01, 2019 | Option Exercise | 275,371 |
| LH | Principal Accounting Officer | Feb 12, 2019 | Option Exercise | 7,916 |
| LH | Principal Accounting Officer | Feb 11, 2019 | Option Exercise | 17,892 |
| LH | Principal Accounting Officer | Feb 07, 2019 | Option Exercise | 10,027 |
| LH | Principal Accounting Officer | Jun 06, 2018 | Option Exercise | 1,103,180 |
| LH | Principal Accounting Officer | Jun 06, 2018 | Sale | 2,383,563 |
| LH | Principal Accounting Officer | Mar 29, 2018 | Option Exercise | 258,800 |
| LH | Principal Accounting Officer | Mar 12, 2018 | Option Exercise | 19,493 |
| LH | Principal Accounting Officer | Feb 09, 2018 | Option Exercise | 28,069 |
| LH | Principal Accounting Officer | Feb 07, 2018 | Option Exercise | 15,609 |
| LH | Principal Accounting Officer | Aug 01, 2017 | Sale | 459,740 |
| LH | Principal Accounting Officer | Mar 29, 2017 | Option Exercise | 408,092 |
| LH | Principal Accounting Officer | Mar 13, 2017 | Option Exercise | 21,492 |
| LH | Principal Accounting Officer | Feb 13, 2017 | Option Exercise | 24,557 |
| LH | Principal Accounting Officer | Feb 09, 2017 | Option Exercise | 18,469 |
| LH | Principal Accounting Officer | Apr 27, 2016 | Sale | 1,187,337 |
| LH | Principal Accounting Officer | Mar 30, 2016 | Option Exercise | 276,830 |
| LH | Principal Accounting Officer | Mar 11, 2016 | Option Exercise | 14,321 |
| LH | Principal Accounting Officer | Feb 12, 2016 | Option Exercise | 18,750 |
| LH | Principal Accounting Officer | Feb 11, 2016 | Option Exercise | 21,497 |
| LH | Principal Accounting Officer | Mar 30, 2015 | Option Exercise | 21,892 |
| LH | Principal Accounting Officer | Mar 02, 2015 | Option Exercise | 18,997 |
| LH | Principal Accounting Officer | Feb 12, 2015 | Option Exercise | 20,798 |
| LH | Principal Accounting Officer | Feb 11, 2015 | Option Exercise | 24,747 |