| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CHCO | EVP & Chief Financial Officer | May 04, 2022 | Sale | $80.00 | 1,760 | 140,803 | 9,947 | May 05, 2022, 12:32 PM |
| CHCO | EVP & Chief Financial Officer | Aug 13, 2021 | Option Exercise | $61.51 | 1,408 | 86,602 | 10,224 | Aug 13, 2021, 04:02 PM |
| CHCO | EVP & Chief Financial Officer | Aug 04, 2021 | Sale | $76.15 | 1,130 | 86,050 | 9,124 | Aug 05, 2021, 03:40 PM |
| CHCO | EVP & Chief Financial Officer | May 03, 2021 | Sale | $79.25 | 2,105 | 166,821 | 9,946 | May 05, 2021, 12:10 PM |
| CHCO | EVP & Chief Financial Officer | Mar 04, 2021 | Option Exercise | $44.32 | 1,753 | 77,686 | 12,051 | Mar 04, 2021, 01:54 PM |
| CHCO | EVP & Chief Financial Officer | Feb 25, 2021 | Sale | $77.70 | 1,000 | 77,696 | 8,850 | Feb 26, 2021, 11:17 AM |
| CHCO | EVP & Chief Financial Officer | Feb 24, 2021 | Option Exercise | $44.43 | 385 | 17,106 | 9,850 | Feb 25, 2021, 02:18 PM |
| CHCO | EVP & Chief Financial Officer | Feb 24, 2021 | Option Exercise | $44.43 | 385 | 17,106 | 9,850 | Feb 24, 2021, 03:28 PM |
| CHCO | EVP & Chief Financial Officer | Feb 10, 2021 | Sale | $74.00 | 1,161 | 85,914 | 9,695 | Feb 11, 2021, 01:43 PM |
| CHCO | EVP & Chief Financial Officer | Aug 20, 2019 | Option Exercise | $44.53 | 1,690 | 75,253 | 10,626 | Aug 20, 2019, 05:18 PM |
| CHCO | EVP & Chief Financial Officer | Jul 25, 2019 | Sale | $76.65 | 1,000 | 76,650 | 8,936 | Jul 26, 2019, 04:21 PM |
| CHCO | EVP & Chief Financial Officer | Apr 29, 2019 | Sale | $80.02 | 1,069 | 85,541 | 9,936 | Apr 30, 2019, 02:53 PM |
| CHCO | SVP & Chief Financial Officer | Apr 23, 2018 | Sale | $74.25 | 1,856 | 137,808 | 11,005 | Apr 24, 2018, 03:55 PM |
| CHCO | SVP & Chief Financial Officer | Apr 09, 2018 | Option Exercise | $39.34 | 1,896 | 74,580 | 12,861 | Apr 11, 2018, 11:38 AM |
| CHCO | SVP & Chief Financial Officer | Nov 29, 2017 | Sale | $73.00 | 1,000 | 73,000 | 10,965 | Nov 30, 2017, 10:48 AM |
| CHCO | SVP & Chief Financial Officer | May 23, 2017 | Option Exercise | $37.54 | 2,040 | 76,580 | 15,586 | May 25, 2017, 02:59 PM |
| CHCO | SVP & Chief Financial Officer | May 23, 2017 | Sale | $65.56 | 3,621 | 237,404 | 13,546 | May 25, 2017, 02:59 PM |
| CHCO | SVP & Chief Financial Officer | May 23, 2017 | Option Exercise | $37.54 | 2,040 | 76,580 | 15,586 | May 24, 2017, 02:45 PM |
| CHCO | SVP & Chief Financial Officer | May 23, 2017 | Sale | $65.60 | 2,040 | 133,833 | 13,546 | May 24, 2017, 02:45 PM |
| CHCO | SVP & Chief Financial Officer | May 24, 2016 | Option Exercise | $35.09 | 1,250 | 43,863 | 13,969 | May 26, 2016, 03:22 PM |
| CHCO | SVP & Chief Financial Officer | May 24, 2016 | Sale | $48.75 | 1,250 | 60,938 | 12,719 | May 26, 2016, 03:22 PM |
| CHCO | SVP & Chief Financial Officer | Aug 17, 2015 | Option Exercise | $36.88 | 2,750 | 101,433 | 14,325 | Aug 18, 2015, 02:13 PM |
| CHCO | SVP & Chief Financial Officer | Aug 17, 2015 | Sale | $48.30 | 2,750 | 132,825 | 11,575 | Aug 18, 2015, 02:13 PM |
| CHCO | SVP & Chief Financial Officer | Feb 06, 2015 | Sale | $46.13 | 650 | 29,985 | 10,750 | Feb 09, 2015, 04:53 PM |
| CHCO | SVP & Chief Financial Officer | May 27, 2014 | Option Exercise | $28.15 | 1,250 | 35,187 | 12,650 | May 29, 2014, 11:43 AM |
| CHCO | SVP & Chief Financial Officer | May 27, 2014 | Sale | $43.75 | 1,250 | 54,688 | 11,400 | May 29, 2014, 11:43 AM |
| CHCO | SVP & Chief Financial Officer | May 12, 2014 | Sale | $44.09 | 350 | 15,432 | 11,400 | May 13, 2014, 04:22 PM |
| CHCO | SVP & Chief Financial Officer | Aug 21, 2013 | Option Exercise | $36.90 | 1,000 | 36,900 | 11,513 | Sep 06, 2013, 04:01 PM |
| CHCO | SVP & Chief Financial Officer | Aug 21, 2013 | Sale | $44.75 | 1,000 | 44,750 | 10,513 | Sep 06, 2013, 04:01 PM |
| CHCO | SVP & Chief Financial Officer | Aug 14, 2013 | Option Exercise | $36.90 | 500 | 18,450 | 11,013 | Sep 06, 2013, 03:55 PM |
| CHCO | SVP & Chief Financial Officer | Aug 14, 2013 | Sale | $45.03 | 500 | 22,515 | 10,713 | Sep 06, 2013, 03:55 PM |
| CHCO | SVP & Chief Financial Officer | Jul 26, 2013 | Option Exercise | $36.90 | 1,000 | 36,900 | 11,513 | Jul 30, 2013, 01:48 PM |
| CHCO | SVP & Chief Financial Officer | Jul 26, 2013 | Sale | $45.01 | 1,000 | 45,007 | 11,213 | Jul 30, 2013, 01:48 PM |
| CHCO | SVP & Chief Financial Officer | Feb 08, 2013 | Option Exercise | $32.92 | 7,283 | 239,793 | 16,627 | Feb 11, 2013, 03:53 PM |
| CHCO | SVP & Chief Financial Officer | Feb 08, 2013 | Sale | $38.29 | 7,283 | 278,835 | 14,729 | Feb 11, 2013, 03:53 PM |
| CHCO | SVP & Chief Financial Officer | Feb 07, 2013 | Option Exercise | $32.92 | 2,717 | 89,457 | 12,061 | Feb 08, 2013, 12:08 PM |
| CHCO | SVP & Chief Financial Officer | Feb 07, 2013 | Sale | $38.15 | 2,717 | 103,661 | 10,061 | Feb 08, 2013, 12:08 PM |
| CHCO | SVP & Chief Financial Officer | Aug 30, 2012 | Option Exercise | $33.94 | 87 | 2,953 | 1,536 | Sep 04, 2012, 02:05 PM |
| CHCO | SVP & Chief Financial Officer | Feb 28, 2012 | Sale | $34.74 | 2,500 | 86,848 | 9,495 | Feb 29, 2012, 04:03 PM |
| CHCO | SVP & Chief Financial Officer | May 26, 2011 | Option Exercise | $31.68 | 426 | 13,496 | 1,542 | May 31, 2011, 04:43 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CHCO | EVP & Chief Financial Officer | May 04, 2022 | Sale | 140,803 |
| CHCO | EVP & Chief Financial Officer | Aug 13, 2021 | Option Exercise | 86,602 |
| CHCO | EVP & Chief Financial Officer | Aug 04, 2021 | Sale | 86,050 |
| CHCO | EVP & Chief Financial Officer | May 03, 2021 | Sale | 166,821 |
| CHCO | EVP & Chief Financial Officer | Mar 04, 2021 | Option Exercise | 77,686 |
| CHCO | EVP & Chief Financial Officer | Feb 25, 2021 | Sale | 77,696 |
| CHCO | EVP & Chief Financial Officer | Feb 24, 2021 | Option Exercise | 17,106 |
| CHCO | EVP & Chief Financial Officer | Feb 24, 2021 | Option Exercise | 17,106 |
| CHCO | EVP & Chief Financial Officer | Feb 10, 2021 | Sale | 85,914 |
| CHCO | EVP & Chief Financial Officer | Aug 20, 2019 | Option Exercise | 75,253 |
| CHCO | EVP & Chief Financial Officer | Jul 25, 2019 | Sale | 76,650 |
| CHCO | EVP & Chief Financial Officer | Apr 29, 2019 | Sale | 85,541 |
| CHCO | SVP & Chief Financial Officer | Apr 23, 2018 | Sale | 137,808 |
| CHCO | SVP & Chief Financial Officer | Apr 09, 2018 | Option Exercise | 74,580 |
| CHCO | SVP & Chief Financial Officer | Nov 29, 2017 | Sale | 73,000 |
| CHCO | SVP & Chief Financial Officer | May 23, 2017 | Option Exercise | 76,580 |
| CHCO | SVP & Chief Financial Officer | May 23, 2017 | Sale | 237,404 |
| CHCO | SVP & Chief Financial Officer | May 23, 2017 | Option Exercise | 76,580 |
| CHCO | SVP & Chief Financial Officer | May 23, 2017 | Sale | 133,833 |
| CHCO | SVP & Chief Financial Officer | May 24, 2016 | Option Exercise | 43,863 |
| CHCO | SVP & Chief Financial Officer | May 24, 2016 | Sale | 60,938 |
| CHCO | SVP & Chief Financial Officer | Aug 17, 2015 | Option Exercise | 101,433 |
| CHCO | SVP & Chief Financial Officer | Aug 17, 2015 | Sale | 132,825 |
| CHCO | SVP & Chief Financial Officer | Feb 06, 2015 | Sale | 29,985 |
| CHCO | SVP & Chief Financial Officer | May 27, 2014 | Option Exercise | 35,187 |
| CHCO | SVP & Chief Financial Officer | May 27, 2014 | Sale | 54,688 |
| CHCO | SVP & Chief Financial Officer | May 12, 2014 | Sale | 15,432 |
| CHCO | SVP & Chief Financial Officer | Aug 21, 2013 | Option Exercise | 36,900 |
| CHCO | SVP & Chief Financial Officer | Aug 21, 2013 | Sale | 44,750 |
| CHCO | SVP & Chief Financial Officer | Aug 14, 2013 | Option Exercise | 18,450 |
| CHCO | SVP & Chief Financial Officer | Aug 14, 2013 | Sale | 22,515 |
| CHCO | SVP & Chief Financial Officer | Jul 26, 2013 | Option Exercise | 36,900 |
| CHCO | SVP & Chief Financial Officer | Jul 26, 2013 | Sale | 45,007 |
| CHCO | SVP & Chief Financial Officer | Feb 08, 2013 | Option Exercise | 239,793 |
| CHCO | SVP & Chief Financial Officer | Feb 08, 2013 | Sale | 278,835 |
| CHCO | SVP & Chief Financial Officer | Feb 07, 2013 | Option Exercise | 89,457 |
| CHCO | SVP & Chief Financial Officer | Feb 07, 2013 | Sale | 103,661 |
| CHCO | SVP & Chief Financial Officer | Aug 30, 2012 | Option Exercise | 2,953 |
| CHCO | SVP & Chief Financial Officer | Feb 28, 2012 | Sale | 86,848 |
| CHCO | SVP & Chief Financial Officer | May 26, 2011 | Option Exercise | 13,496 |