| Ticker |
Owner |
Relationship |
Date |
Transaction |
Cost  |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| AMT | Meyer Robert Joseph JR | SVP & Chief Accounting Officer | Feb 26 '25 | Sale | 201.12 | 2,724 | 547,851 | 29,149 | Feb 28 04:17 PM |
| AMT | Meyer Robert Joseph JR | SVP & Chief Accounting Officer | Feb 27 '25 | Sale | 202.18 | 2,939 | 594,207 | 26,210 | Feb 28 04:17 PM |
| AMT | Meyer Robert Joseph JR | Officer | Feb 27 '25 | Proposed Sale | 202.18 | 2,939 | 594,212 | | Feb 27 05:11 PM |
| AMT | Meyer Robert Joseph JR | Officer | Feb 26 '25 | Proposed Sale | 201.12 | 2,724 | 547,849 | | Feb 26 05:02 PM |
| AMT | Meyer Robert Joseph JR | SVP & Chief Accounting Officer | Aug 02 '24 | Sale | 232.93 | 2,181 | 508,020 | 31,873 | Aug 06 04:37 PM |
|
| AMT | Meyer Robert Joseph JR | Officer | Aug 02 '24 | Proposed Sale | 232.93 | 2,181 | 508,020 | | Aug 02 04:58 PM |
| AMT | Meyer Robert Joseph JR | SVP & Chief Accounting Officer | Nov 21 '22 | Sale | 219.74 | 1,000 | 219,740 | 26,010 | Nov 23 04:19 PM |
| AMT | Meyer Robert Joseph JR | SVP & Chief Accounting Officer | Mar 15 '22 | Sale | 235.76 | 2,800 | 660,119 | 26,914 | Mar 17 04:06 PM |
| AMT | Meyer Robert Joseph JR | SVP & Chief Accounting Officer | Jul 30 '21 | Sale | 284.89 | 5,289 | 1,506,801 | 27,242 | Aug 03 04:12 PM |
| AMT | Meyer Robert Joseph JR | SVP, Chief Accounting Officer | Dec 10 '20 | Sale | 220.21 | 1,100 | 242,231 | 29,698 | Dec 14 04:12 PM |
| AMT | Meyer Robert Joseph JR | SVP, Chief Accounting Officer | May 08 '20 | Option Exercise | 94.71 | 6,439 | 609,838 | 37,120 | May 12 04:19 PM |
| AMT | Meyer Robert Joseph JR | SVP, Chief Accounting Officer | May 08 '20 | Sale | 238.11 | 6,439 | 1,533,164 | 30,681 | May 12 04:19 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Nov 06 '19 | Sale | 206.78 | 1,000 | 206,780 | 28,743 | Nov 08 04:46 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | May 15 '19 | Option Exercise | 94.71 | 19,317 | 1,829,513 | 48,926 | May 16 04:16 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | May 14 '19 | Option Exercise | 94.57 | 24,851 | 2,350,159 | 54,460 | May 16 04:16 PM |
|
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | May 14 '19 | Sale | 197.86 | 24,851 | 4,916,897 | 29,609 | May 16 04:16 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | May 15 '19 | Sale | 198.95 | 19,317 | 3,843,032 | 29,609 | May 16 04:16 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Nov 06 '18 | Option Exercise | 76.90 | 21,374 | 1,643,661 | 47,983 | Nov 08 04:38 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Nov 07 '18 | Option Exercise | 81.18 | 23,585 | 1,914,630 | 50,194 | Nov 08 04:38 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Nov 07 '18 | Sale | 157.00 | 23,585 | 3,702,936 | 26,609 | Nov 08 04:38 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Nov 06 '18 | Sale | 155.80 | 21,374 | 3,330,142 | 26,609 | Nov 08 04:38 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Apr 28 '17 | Option Exercise | 47.24 | 21,690 | 1,024,718 | 47,750 | May 02 04:39 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | May 01 '17 | Option Exercise | 62.00 | 15,796 | 979,352 | 41,856 | May 02 04:39 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | May 01 '17 | Sale | 126.59 | 18,963 | 2,400,526 | 22,893 | May 02 04:39 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Apr 28 '17 | Sale | 125.78 | 21,690 | 2,728,168 | 26,060 | May 02 04:39 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Jun 09 '16 | Sale | 108.68 | 3,106 | 337,560 | 21,386 | Jun 13 04:32 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | May 16 '16 | Option Exercise | 30.03 | 15,601 | 468,433 | 39,900 | May 17 05:23 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | May 16 '16 | Sale | 106.50 | 15,601 | 1,661,506 | 24,299 | May 17 05:23 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Jun 01 '14 | Option Exercise | 0.00 | 219 | 0 | 10,114 | Jun 03 04:33 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Mar 12 '14 | Option Exercise | 0.00 | 1,109 | 0 | 10,238 | Mar 13 06:34 PM |
|
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Mar 10 '14 | Option Exercise | 0.00 | 1,855 | 0 | 8,533 | Mar 12 05:30 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Mar 11 '14 | Option Exercise | 0.00 | 1,342 | 0 | 9,554 | Mar 12 05:30 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Jun 01 '13 | Option Exercise | 0.00 | 220 | 0 | 6,703 | Jun 04 04:33 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | May 08 '13 | Sale | 84.02 | 2,046 | 171,905 | 6,483 | May 09 04:55 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Mar 12 '13 | Option Exercise | 0.00 | 1,109 | 0 | 8,882 | Mar 14 05:50 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Mar 10 '13 | Option Exercise | 0.00 | 3,066 | 0 | 8,095 | Mar 12 09:04 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Dec 01 '12 | Option Exercise | 0.00 | 2,232 | 0 | 6,413 | Dec 04 04:52 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Nov 30 '12 | Sale | 75.00 | 4,606 | 345,450 | 4,181 | Dec 04 04:52 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Jun 01 '12 | Option Exercise | 0.00 | 220 | 0 | 8,403 | Jun 05 05:58 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Mar 14 '12 | Option Exercise | 25.43 | 6,250 | 158,938 | 15,877 | Mar 15 05:12 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Mar 14 '12 | Sale | 62.95 | 7,694 | 484,347 | 8,183 | Mar 15 05:12 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Mar 10 '12 | Option Exercise | 0.00 | 3,066 | 0 | 9,940 | Mar 13 05:16 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Dec 01 '11 | Option Exercise | 0.00 | 2,232 | 0 | 8,282 | Dec 05 05:33 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Aug 30 '11 | Option Exercise | 25.43 | 6,250 | 158,938 | 12,300 | Sep 01 05:10 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Aug 30 '11 | Sale | 52.22 | 6,250 | 326,375 | 6,050 | Sep 01 05:10 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Jun 01 '11 | Option Exercise | 0.00 | 220 | 0 | 5,639 | Jun 03 05:45 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Mar 10 '11 | Option Exercise | 0.00 | 2,081 | 0 | 5,855 | Mar 14 06:23 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Dec 01 '10 | Option Exercise | 0.00 | 2,233 | 0 | 4,527 | Dec 03 05:23 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Aug 19 '10 | Option Exercise | 28.39 | 3,934 | 111,686 | 5,442 | Aug 20 05:08 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Aug 19 '10 | Sale | 47.90 | 3,934 | 188,439 | 1,508 | Aug 20 05:08 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Mar 10 '10 | Option Exercise | 0.00 | 1,211 | 0 | 1,893 | Mar 12 05:17 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Dec 04 '09 | Option Exercise | 25.43 | 6,250 | 158,938 | 8,432 | Dec 08 05:16 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Dec 04 '09 | Sale | 41.75 | 7,750 | 323,595 | 682 | Dec 08 05:16 PM |
| AMT | Meyer Robert Joseph JR | SVP, Finance & Corp Controller | Dec 01 '09 | Option Exercise | 0.00 | 2,233 | 0 | 2,891 | Dec 03 06:57 PM |
| BFAM | Meyer Robert Joseph JR | Chief Accounting Officer | May 14 '08 | Option Exercise | 13.87 | 7,000 | 97,085 | 11,000 | May 16 04:19 PM |
