| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| AVB | Chief Administrative Officer | Sep 03, 2019 | Sale | $214.00 | 2,000 | 428,000 | 25,183 | Sep 04, 2019, 05:42 PM |
| AVB | Chief Administrative Officer | Jun 12, 2019 | Sale | $210.00 | 2,000 | 420,000 | 27,181 | Jun 12, 2019, 04:17 PM |
| AVB | Chief Administrative Officer | Jun 11, 2019 | Sale | $210.00 | 2,000 | 420,000 | 29,181 | Jun 12, 2019, 04:17 PM |
| AVB | Chief Administrative Officer | Jun 10, 2019 | Sale | $209.28 | 1,000 | 209,275 | 31,181 | Jun 12, 2019, 04:17 PM |
| AVB | Chief Administrative Officer | Mar 05, 2019 | Sale | $196.10 | 5,000 | 980,500 | 35,092 | Mar 05, 2019, 02:46 PM |
| AVB | Chief Administrative Officer | Nov 19, 2018 | Sale | $186.88 | 2,000 | 373,760 | 37,116 | Nov 21, 2018, 11:02 AM |
| AVB | Chief Administrative Officer | Mar 01, 2018 | Option Exercise | $155.05 | 3,760 | 582,988 | 39,024 | Mar 05, 2018, 12:00 AM |
| AVB | Chief Administrative Officer | Dec 12, 2017 | Sale | $183.00 | 1,000 | 183,000 | 35,690 | Dec 13, 2017, 02:45 PM |
| AVB | Chief Administrative Officer | Dec 11, 2017 | Sale | $182.50 | 1,000 | 182,500 | 36,690 | Dec 13, 2017, 02:45 PM |
| AVB | Chief Administrative Officer | Dec 04, 2017 | Sale | $181.89 | 2,000 | 363,780 | 37,690 | Dec 06, 2017, 03:10 PM |
| AVB | Chief Administrative Officer | May 01, 2017 | Sale | $190.25 | 3,000 | 570,750 | 40,601 | May 02, 2017, 02:05 PM |
| AVB | Chief Administrative Officer | May 06, 2016 | Option Exercise | $126.78 | 1,682 | 213,244 | 48,800 | May 10, 2016, 03:51 PM |
| AVB | Chief Administrative Officer | May 10, 2016 | Sale | $191.00 | 1,500 | 286,500 | 39,618 | May 10, 2016, 03:51 PM |
| AVB | Chief Administrative Officer | May 09, 2016 | Sale | $188.50 | 3,000 | 565,500 | 41,118 | May 10, 2016, 03:51 PM |
| AVB | Chief Administrative Officer | May 06, 2016 | Sale | $186.46 | 4,682 | 873,011 | 47,118 | May 10, 2016, 03:51 PM |
| AVB | Chief Administrative Officer | Mar 01, 2016 | Option Exercise | $177.63 | 2,128 | 377,997 | 46,279 | Mar 03, 2016, 03:40 PM |
| AVB | Chief Administrative Officer | Mar 02, 2016 | Option Exercise | $178.53 | 2,240 | 399,907 | 47,117 | Mar 03, 2016, 03:40 PM |
| AVB | Chief Administrative Officer | Mar 02, 2016 | Option Exercise | $129.98 | 5,036 | 654,581 | 51,315 | Mar 03, 2016, 03:40 PM |
| AVB | Chief Administrative Officer | Mar 02, 2016 | Sale | $178.25 | 1,958 | 349,014 | 49,357 | Mar 03, 2016, 03:40 PM |
| AVB | Chief Administrative Officer | Nov 19, 2015 | Option Exercise | $128.91 | 8,811 | 1,135,858 | 52,550 | Nov 23, 2015, 05:14 PM |
| AVB | Chief Administrative Officer | Nov 19, 2015 | Sale | $178.00 | 8,811 | 1,568,358 | 43,739 | Nov 23, 2015, 05:14 PM |
| AVB | Chief Administrative Officer | Nov 20, 2015 | Sale | $180.21 | 3,750 | 675,799 | 39,989 | Nov 23, 2015, 05:14 PM |
| AVB | Chief Administrative Officer | Nov 17, 2015 | Sale | $175.00 | 3,750 | 656,250 | 43,739 | Nov 19, 2015, 02:05 PM |
| AVB | Chief Administrative Officer | May 19, 2015 | Option Exercise | $132.95 | 2,147 | 285,444 | 54,542 | May 21, 2015, 03:29 PM |
| AVB | Chief Administrative Officer | May 20, 2015 | Option Exercise | $123.24 | 10,780 | 1,328,581 | 63,175 | May 21, 2015, 03:29 PM |
| AVB | Chief Administrative Officer | May 20, 2015 | Sale | $168.16 | 15,780 | 2,653,533 | 47,395 | May 21, 2015, 03:29 PM |
| AVB | Chief Administrative Officer | May 19, 2015 | Sale | $168.24 | 2,147 | 361,222 | 52,395 | May 21, 2015, 03:29 PM |
| AVB | Chief Administrative Officer | Mar 01, 2015 | Option Exercise | $168.34 | 1,171 | 197,126 | 52,395 | Mar 03, 2015, 02:19 PM |
| AVB | Chief Administrative Officer | Dec 31, 2014 | Option Exercise | $163.39 | 275 | 44,932 | 45,849 | Jan 05, 2015, 03:44 PM |
| AVB | Chief Administrative Officer | Sep 04, 2014 | Option Exercise | $143.34 | 17,830 | 2,555,752 | 64,007 | Sep 08, 2014, 10:31 AM |
| AVB | Chief Administrative Officer | Sep 04, 2014 | Sale | $155.50 | 17,830 | 2,772,583 | 46,177 | Sep 08, 2014, 10:31 AM |
| AVB | Chief Administrative Officer | Apr 28, 2014 | Option Exercise | $136.84 | 730 | 99,893 | 61,233 | Apr 30, 2014, 03:57 PM |
| AVB | Chief Administrative Officer | Apr 28, 2014 | Option Exercise | $74.20 | 6,359 | 471,838 | 61,963 | Apr 30, 2014, 03:57 PM |
| AVB | Chief Administrative Officer | Apr 28, 2014 | Sale | $136.99 | 15,012 | 2,056,524 | 46,221 | Apr 30, 2014, 03:57 PM |
| AVB | Chief Administrative Officer | Apr 15, 2014 | Option Exercise | $134.55 | 45 | 6,055 | 55,604 | Apr 17, 2014, 04:51 PM |
| AVB | Chief Administrative Officer | Mar 01, 2014 | Option Exercise | $128.97 | 1,129 | 145,607 | 55,643 | Mar 04, 2014, 12:05 PM |
| AVB | Chief Administrative Officer | Dec 31, 2013 | Option Exercise | $118.23 | 821 | 97,067 | 54,092 | Jan 03, 2014, 09:31 AM |
| AVB | Chief Administrative Officer | Apr 01, 2013 | Option Exercise | $128.09 | 131 | 16,780 | 54,741 | Apr 03, 2013, 09:39 AM |
| AVB | Chief Administrative Officer | Mar 01, 2013 | Option Exercise | $126.21 | 1,373 | 173,286 | 52,900 | Mar 05, 2013, 07:59 AM |
| AVB | Chief Administrative Officer | Jun 06, 2012 | Sale | $138.87 | 514 | 71,380 | 54,167 | Jun 08, 2012, 10:33 AM |
| AVB | Chief Administrative Officer | May 29, 2012 | Option Exercise | $142.03 | 2,110 | 299,683 | 69,702 | Jun 07, 2012, 02:28 PM |
| AVB | Chief Administrative Officer | Jun 01, 2012 | Option Exercise | $137.01 | 5,071 | 694,778 | 53,929 | Jun 05, 2012, 09:25 AM |
| AVB | Chief Administrative Officer | May 29, 2012 | Option Exercise | $142.03 | 2,862 | 406,490 | 68,950 | May 30, 2012, 02:16 PM |
| AVB | Chief Administrative Officer | May 29, 2012 | Option Exercise | $70.49 | 4,255 | 299,936 | 71,812 | May 30, 2012, 02:16 PM |
| AVB | Chief Administrative Officer | May 25, 2012 | Sale | $142.00 | 50 | 7,100 | 67,557 | May 30, 2012, 02:16 PM |
| AVB | Chief Administrative Officer | May 29, 2012 | Sale | $141.51 | 9,950 | 1,407,975 | 59,000 | May 30, 2012, 02:16 PM |
| AVB | Chief Administrative Officer | May 24, 2012 | Option Exercise | $48.60 | 4,000 | 194,400 | 71,607 | May 29, 2012, 11:27 AM |
| AVB | Chief Administrative Officer | May 24, 2012 | Sale | $141.75 | 4,000 | 567,016 | 67,607 | May 29, 2012, 11:27 AM |
| AVB | Chief Administrative Officer | May 22, 2012 | Option Exercise | $83.06 | 54,309 | 4,510,860 | 121,916 | May 24, 2012, 12:01 PM |
| AVB | Chief Administrative Officer | May 22, 2012 | Sale | $140.86 | 54,309 | 7,650,232 | 97,607 | May 24, 2012, 12:01 PM |
| AVB | Executive Vice President | Feb 13, 2012 | Sale | $135.25 | 12,614 | 1,706,069 | 65,719 | Mar 23, 2012, 09:59 AM |
| AVB | Executive Vice President | Mar 01, 2012 | Option Exercise | $131.09 | 1,398 | 183,264 | 80,220 | Mar 09, 2012, 01:29 PM |
| AVB | Executive Vice President | Feb 13, 2012 | Option Exercise | $96.19 | 12,614 | 1,213,341 | 90,947 | Mar 09, 2012, 01:26 PM |
| AVB | Executive Vice President | Feb 13, 2012 | Sale | $135.25 | 12,614 | 1,706,069 | 78,333 | Mar 09, 2012, 01:26 PM |
| AVB | Executive Vice President | Mar 01, 2012 | Option Exercise | $131.09 | 1,398 | 183,264 | 67,606 | Mar 05, 2012, 10:56 AM |
| AVB | Executive Vice President | Feb 13, 2012 | Sale | $135.25 | 12,614 | 1,706,069 | 65,719 | Feb 15, 2012, 10:11 AM |
| AVB | Executive Vice President | Feb 09, 2012 | Sale | $135.73 | 2,386 | 323,857 | 78,333 | Feb 13, 2012, 02:03 PM |
| AVB | Executive Vice President | Feb 06, 2012 | Option Exercise | $89.13 | 25,000 | 2,228,197 | 105,719 | Feb 08, 2012, 02:07 PM |
| AVB | Executive Vice President | Feb 06, 2012 | Sale | $138.48 | 25,000 | 3,461,992 | 91,873 | Feb 08, 2012, 02:07 PM |
| AVB | Executive Vice President | Jun 16, 2011 | Option Exercise | $128.73 | 5,071 | 652,790 | 78,252 | Jun 17, 2011, 04:09 PM |
| AVB | Executive Vice President | Mar 01, 2011 | Option Exercise | $117.10 | 1,371 | 160,544 | 59,291 | Mar 03, 2011, 10:30 AM |
| AVB | Executive Vice President | Feb 25, 2011 | Option Exercise | $118.11 | 1,691 | 199,724 | 75,662 | Mar 01, 2011, 04:51 PM |
| AVB | Executive Vice President | Feb 25, 2011 | Option Exercise | $65.03 | 13,508 | 878,437 | 77,353 | Mar 01, 2011, 04:51 PM |
| AVB | Executive Vice President | Feb 25, 2011 | Sale | $117.33 | 15,000 | 1,759,995 | 60,662 | Mar 01, 2011, 04:51 PM |
| AVB | Executive Vice President | Feb 16, 2011 | Option Exercise | $62.17 | 14,345 | 891,896 | 73,845 | Feb 18, 2011, 01:16 PM |
| AVB | Executive Vice President | Feb 16, 2011 | Sale | $116.42 | 14,345 | 1,670,106 | 63,845 | Feb 18, 2011, 01:16 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| AVB | Chief Administrative Officer | Sep 03, 2019 | Sale | 428,000 |
| AVB | Chief Administrative Officer | Jun 12, 2019 | Sale | 420,000 |
| AVB | Chief Administrative Officer | Jun 11, 2019 | Sale | 420,000 |
| AVB | Chief Administrative Officer | Jun 10, 2019 | Sale | 209,275 |
| AVB | Chief Administrative Officer | Mar 05, 2019 | Sale | 980,500 |
| AVB | Chief Administrative Officer | Nov 19, 2018 | Sale | 373,760 |
| AVB | Chief Administrative Officer | Mar 01, 2018 | Option Exercise | 582,988 |
| AVB | Chief Administrative Officer | Dec 12, 2017 | Sale | 183,000 |
| AVB | Chief Administrative Officer | Dec 11, 2017 | Sale | 182,500 |
| AVB | Chief Administrative Officer | Dec 04, 2017 | Sale | 363,780 |
| AVB | Chief Administrative Officer | May 01, 2017 | Sale | 570,750 |
| AVB | Chief Administrative Officer | May 06, 2016 | Option Exercise | 213,244 |
| AVB | Chief Administrative Officer | May 10, 2016 | Sale | 286,500 |
| AVB | Chief Administrative Officer | May 09, 2016 | Sale | 565,500 |
| AVB | Chief Administrative Officer | May 06, 2016 | Sale | 873,011 |
| AVB | Chief Administrative Officer | Mar 01, 2016 | Option Exercise | 377,997 |
| AVB | Chief Administrative Officer | Mar 02, 2016 | Option Exercise | 399,907 |
| AVB | Chief Administrative Officer | Mar 02, 2016 | Option Exercise | 654,581 |
| AVB | Chief Administrative Officer | Mar 02, 2016 | Sale | 349,014 |
| AVB | Chief Administrative Officer | Nov 19, 2015 | Option Exercise | 1,135,858 |
| AVB | Chief Administrative Officer | Nov 19, 2015 | Sale | 1,568,358 |
| AVB | Chief Administrative Officer | Nov 20, 2015 | Sale | 675,799 |
| AVB | Chief Administrative Officer | Nov 17, 2015 | Sale | 656,250 |
| AVB | Chief Administrative Officer | May 19, 2015 | Option Exercise | 285,444 |
| AVB | Chief Administrative Officer | May 20, 2015 | Option Exercise | 1,328,581 |
| AVB | Chief Administrative Officer | May 20, 2015 | Sale | 2,653,533 |
| AVB | Chief Administrative Officer | May 19, 2015 | Sale | 361,222 |
| AVB | Chief Administrative Officer | Mar 01, 2015 | Option Exercise | 197,126 |
| AVB | Chief Administrative Officer | Dec 31, 2014 | Option Exercise | 44,932 |
| AVB | Chief Administrative Officer | Sep 04, 2014 | Option Exercise | 2,555,752 |
| AVB | Chief Administrative Officer | Sep 04, 2014 | Sale | 2,772,583 |
| AVB | Chief Administrative Officer | Apr 28, 2014 | Option Exercise | 99,893 |
| AVB | Chief Administrative Officer | Apr 28, 2014 | Option Exercise | 471,838 |
| AVB | Chief Administrative Officer | Apr 28, 2014 | Sale | 2,056,524 |
| AVB | Chief Administrative Officer | Apr 15, 2014 | Option Exercise | 6,055 |
| AVB | Chief Administrative Officer | Mar 01, 2014 | Option Exercise | 145,607 |
| AVB | Chief Administrative Officer | Dec 31, 2013 | Option Exercise | 97,067 |
| AVB | Chief Administrative Officer | Apr 01, 2013 | Option Exercise | 16,780 |
| AVB | Chief Administrative Officer | Mar 01, 2013 | Option Exercise | 173,286 |
| AVB | Chief Administrative Officer | Jun 06, 2012 | Sale | 71,380 |
| AVB | Chief Administrative Officer | May 29, 2012 | Option Exercise | 299,683 |
| AVB | Chief Administrative Officer | Jun 01, 2012 | Option Exercise | 694,778 |
| AVB | Chief Administrative Officer | May 29, 2012 | Option Exercise | 406,490 |
| AVB | Chief Administrative Officer | May 29, 2012 | Option Exercise | 299,936 |
| AVB | Chief Administrative Officer | May 25, 2012 | Sale | 7,100 |
| AVB | Chief Administrative Officer | May 29, 2012 | Sale | 1,407,975 |
| AVB | Chief Administrative Officer | May 24, 2012 | Option Exercise | 194,400 |
| AVB | Chief Administrative Officer | May 24, 2012 | Sale | 567,016 |
| AVB | Chief Administrative Officer | May 22, 2012 | Option Exercise | 4,510,860 |
| AVB | Chief Administrative Officer | May 22, 2012 | Sale | 7,650,232 |
| AVB | Executive Vice President | Feb 13, 2012 | Sale | 1,706,069 |
| AVB | Executive Vice President | Mar 01, 2012 | Option Exercise | 183,264 |
| AVB | Executive Vice President | Feb 13, 2012 | Option Exercise | 1,213,341 |
| AVB | Executive Vice President | Feb 13, 2012 | Sale | 1,706,069 |
| AVB | Executive Vice President | Mar 01, 2012 | Option Exercise | 183,264 |
| AVB | Executive Vice President | Feb 13, 2012 | Sale | 1,706,069 |
| AVB | Executive Vice President | Feb 09, 2012 | Sale | 323,857 |
| AVB | Executive Vice President | Feb 06, 2012 | Option Exercise | 2,228,197 |
| AVB | Executive Vice President | Feb 06, 2012 | Sale | 3,461,992 |
| AVB | Executive Vice President | Jun 16, 2011 | Option Exercise | 652,790 |
| AVB | Executive Vice President | Mar 01, 2011 | Option Exercise | 160,544 |
| AVB | Executive Vice President | Feb 25, 2011 | Option Exercise | 199,724 |
| AVB | Executive Vice President | Feb 25, 2011 | Option Exercise | 878,437 |
| AVB | Executive Vice President | Feb 25, 2011 | Sale | 1,759,995 |
| AVB | Executive Vice President | Feb 16, 2011 | Option Exercise | 891,896 |
| AVB | Executive Vice President | Feb 16, 2011 | Sale | 1,670,106 |