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| Keyboard |
| American Tower Corp /MA/ | |
|---|---|
| Ticker | AMT |
| CIK # | 0001053507 |
| CUSIP | 03027X100 |
| Sector | Technology - Communications Services, Nec |
| Address | 116 Huntington Ave, Boston, MA 02116 |
| Source | [EDGAR] |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0001053507] | 10-K | |
| [0001053507] | 10-Q | |
| [0001053507] | 3 | |
| [0001053507] | 4 | |
| [0001053507] | 5 | |
| [0001053507] | 8-K | |
| [0001053507] | SC 13D | |
| [0001053507] | SC 13G |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Font Juan
Common Stock
|
2026-03-11 | Tax withheld | 928 | $182.85 | 169,685 |
|
Rossi Richard C
Common Stock
|
2026-03-11 | Tax withheld | 684 | $182.85 | 125,069 |
|
Noel Eugene M
Common Stock
|
2026-03-11 | Tax withheld | 719 | $182.85 | 131,469 |
|
Dowling Ruth T
Common Stock
|
2026-03-11 | Tax withheld | 863 | $182.85 | 157,800 |
|
Meyer Robert Joseph
Common Stock
|
2026-03-11 | Tax withheld | 684 | $182.85 | 125,069 |
|
Vondran Steven O
Common Stock
|
2026-03-11 | Tax withheld | 2,158 | $182.85 | 394,590 |
|
Smith Rodney M
Common Stock
|
2026-03-11 | Tax withheld | 1,295 | $182.85 | 236,791 |
|
Smith Rodney M
Common Stock
|
2026-03-10 | Tax withheld | 12,433 | $186.12 | 2,314,030 |
|
Vondran Steven O
Common Stock
|
2026-03-10 | Grant | 20,955 | $0.00 | |
|
Font Juan
Common Stock
|
2026-03-10 | Grant | 8,060 | $0.00 | |
|
Rossi Richard C
Common Stock
|
2026-03-10 | Grant | 6,448 | $0.00 | |
|
Ray Neville R
Common Stock
|
2026-03-10 | Grant | 1,209 | $0.00 | |
|
Hormats Robert D
Common Stock
|
2026-03-10 | Grant | 1,209 | $0.00 | |
|
Reilly Eugene F
Common Stock
|
2026-03-10 | Grant | 1,209 | $0.00 | |
|
Clarke Teresa Hillary
Common Stock
|
2026-03-10 | Grant | 1,209 | $0.00 | |
|
Meyer Robert Joseph
Common Stock
|
2026-03-10 | Tax withheld | 1,368 | $186.12 | 254,612 |
|
Chambliss Kelly C
Common Stock
|
2026-03-10 | Grant | 1,209 | $0.00 | |
|
Vondran Steven O
Common Stock
|
2026-03-10 | Tax withheld | 15,269 | $186.12 | 2,841,866 |
|
Macnab Craig
Common Stock
|
2026-03-10 | Grant | 1,209 | $0.00 | |
|
Dowling Ruth T
Common Stock
|
2026-03-10 | Tax withheld | 6,629 | $186.12 | 1,233,789 |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 1,752 | 409,399,185 |
| 2025-12-31 | 1,779 | 417,695,372 |
| 2025-09-30 | 1,803 | 421,797,252 |
| 2025-06-30 | 1,851 | 412,691,021 |
| 2025-03-31 | 1,850 | 406,472,290 |
| 2024-12-31 | 1,793 | 404,802,919 |
| 2024-09-30 | 1,849 | 405,618,922 |
| 2024-06-30 | 1,761 | 404,833,758 |
| 2024-03-31 | 1,765 | 429,418,509 |
| 2023-12-31 | 1,800 | 416,756,220 |
| 2023-09-30 | 1,625 | 395,913,826 |
| 2023-06-30 | 1,689 | 403,087,540 |