| $11M | ||
| $10M | ||
| $8M | ||
| $7M | ||
| $7M | ||
| $4M |
Buys | $1,024,485 | 6 | 32 |
Sells | $23,519,940 | 13 | 68 |
| Kalathur Rajesh | director | 2 | $995,669 | 0 | $0 | $995,669 |
| Clarke Teresa Hillary | director | 4 | $28,816 | 0 | $0 | $28,816 |
| Font Juan | SVP, Pres. & CEO, CoreSite | 0 | $0 | 1 | $112,261 | $-112,261 |
| Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | 0 | $0 | 7 | $902,119 | $-902,119 |
| Meyer Robert Joseph | SVP & Chief Accounting Officer | 0 | $0 | 2 | $1.73M | $-1.73M |
| Vondran Steven O | President and CEO | 0 | $0 | 1 | $6.31M | $-6.31M |
| Smith Rodney M | EVP, CFO & Treasurer | 0 | $0 | 1 | $6.6M | $-6.6M |
| Noel Eugene M | EVP & Chief Operating Officer | 0 | $0 | 1 | $7.87M | $-7.87M |
American Tower Corporation is one of the largest global real estate investment trusts. It is a leading independent owner, operator and developer of multitenant communications real estate. The Company's primary business is the leasing of space on communications sites to wireless service providers, radio and television broadcast companies, wireless data providers, government agencies and municipalities and tenants in a few other industries. The Company refers to this business, inclusive of its data center business discussed below, as its property …
Over the last 12 months, insiders at American Tower Corporation have bought $1.02M and sold $23.52M worth of American Tower Corporation stock.
On average, over the past 5 years, insiders at American Tower Corporation have bought $411,772 and sold $18.42M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Kalathur Rajesh (director) — $995,669. Clarke Teresa Hillary (director) — $28,816.
The last purchase of 43 shares for transaction amount of $7,864 was made by Clarke Teresa Hillary (director) on 2026‑10‑20.
| 2026-10-30 | Sale | Font Juan | SVP, Pres. & CEO, CoreSite | 592 0.0001% | $189.63 | $112,261 | ||
| 2026-10-29 | Sale | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | 952 0.0002% | $185.81 | $176,891 | +1.02% | |
| 2026-10-28 | Sale | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | 626 0.0001% | $182.00 | $113,932 | +2.06% | |
| 2026-10-20 | Clarke Teresa Hillary | director | 42.93 <0.0001% | $183.20 | $7,864 | +1.65% | ||
| 2026-08-21 | Kalathur Rajesh | director | 2,829 0.0006% | $177.00 | $500,733 | +0.24% | ||
| 2026-07-29 | Sale | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | 1,106 0.0002% | $174.96 | $193,506 | -2.05% | |
| 2026-07-29 | Sale | Meyer Robert Joseph | SVP & Advisor to the CFO | 5,000 0.0011% | $178.89 | $894,450 | -2.05% | |
| 2026-07-28 | Sale | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | 685 0.0001% | $169.54 | $116,135 | +2.38% | |
| 2026-07-13 | Clarke Teresa Hillary | director | 46.45 <0.0001% | $167.52 | $7,781 | +2.98% | ||
| 2026-04-29 | Sale | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | 416 <0.0001% | $177.54 | $73,857 | -0.45% | |
| 2026-04-28 | Sale | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | 556 0.0001% | $178.48 | $99,235 | -0.56% | |
| 2026-04-28 | Clarke Teresa Hillary | director | 43.5 <0.0001% | $177.08 | $7,703 | -0.56% | ||
| 2026-03-10 | Kalathur Rajesh | director | 2,671 0.0006% | $185.30 | $494,936 | -4.70% | ||
| 2026-03-04 | Sale | Vondran Steven O | President and CEO | 33,482 0.0071% | $188.46 | $6.31M | -7.02% | |
| 2026-03-04 | Sale | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | 682 0.0001% | $188.51 | $128,564 | -7.02% | |
| 2026-03-02 | Sale | Noel Eugene M | EVP & Chief Operating Officer | 41,209 0.0088% | $191.05 | $7.87M | -6.73% | |
| 2026-02-27 | Sale | Meyer Robert Joseph | SVP & Chief Accounting Officer | 4,454 0.0009% | $186.73 | $831,695 | -7.52% | |
| 2026-02-17 | Sale | Smith Rodney M | EVP, CFO & Treasurer | 34,341 0.0073% | $192.09 | $6.6M | -7.96% | |
| 2026-02-02 | Clarke Teresa Hillary | director | 30.71 <0.0001% | $178.04 | $5,468 | +2.31% | ||
| 2025-10-31 | REILLY EUGENE F | director | 5,554 0.0012% | $178.99 | $994,110 | +0.15% |
| Kalathur Rajesh | director | 7765 0.0017% | $1.45M | 2 | 0 | |
| Clarke Teresa Hillary | director | 5645 0.0012% | $1.06M | 15 | 0 | |
| DODGE STEVEN B | CEO and Chairman | 1181935 0.2549% | $221.36M | 1 | 0 | +22.3% |
| HESS WILLIAM H | EVP & Chairman, LatAm & EMEA | 59463 0.0128% | $11.14M | 1 | 49 | +17.84% |
| Goel Sanjay | EVP & President, Asia-Pacific | 25408 0.0055% | $4.76M | 2 | 4 | <0.0001% |
| DYKES RONALD M | director | 20285 0.0044% | $3.8M | 3 | 2 | +2.31% |
| Lara Gustavo | director | 9407 0.002% | $1.76M | 1 | 7 | +25.83% |
| REILLY EUGENE F | director | 5689 0.0012% | $1.07M | 1 | 0 | +0.15% |
| Tanner Bruce L | 2514 0.0005% | $470,847.06 | 2 | 0 | <0.0001% | |
| GEARON J MICHAEL JR | Pres., American Tower Int'l. | 0 0% | $0 | 1 | 23 | +27.17% |
$9,921,319 | 174 | 7.00% | $381.33M | |
$10,397,685 | 101 | 21.64% | $4.93B | |
$536,742,326 | 75 | -9.14% | $15.92B | |
$475,884,408 | 60 | 12.36% | $37.84B | |
$10,031,037 | 57 | 26.17% | $3.06B |
| Increased Positions | 785 | +34.7% | 30M | +6.93% |
| Decreased Positions | 1,032 | -45.62% | 27M | -6.22% |
| New Positions | 190 | New | 4M | New |
| Sold Out Positions | 191 | Sold Out | 2M | Sold Out |
| Total Postitions | 2,015 | -10.92% | 439M | +0.71% |
| Vanguard Group Inc | $11.12M | 13.6% | 63.64M | +611,801 | +0.97% | 2025-09-30 |
| Blackrock, Inc. | $7.94M | 9.7% | 45.4M | -255,761 | -0.56% | 2025-09-30 |
| State Street Corp | $3.66M | 4.47% | 20.92M | -197,751 | -0.94% | 2025-09-30 |
| Jpmorgan Chase & Co | $2.69M | 3.29% | 15.38M | +3M | +21.42% | 2025-09-30 |
| Cohen & Steers, Inc. | $2.36M | 2.89% | 13.5M | -402,094 | -2.89% | 2025-09-30 |
| Geode Capital Management, Llc | $2.32M | 2.84% | 13.27M | +166,821 | +1.27% | 2025-09-30 |
| Fmr Llc | $2.14M | 2.62% | 12.25M | -1M | -9.88% | 2025-09-30 |
| Morgan Stanley | $1.75M | 2.14% | 10.03M | +836,577 | +9.1% | 2025-09-30 |
| Deutsche Bank Ag | $1.32M | 1.61% | 7.54M | +369,106 | +5.15% | 2025-09-30 |
| Invesco Ltd. | $1.2M | 1.47% | 6.89M | +208,109 | +3.12% | 2025-09-30 |