AMT
American Tower Corporation
NYSE · Real Estate · REIT - Specialty · US
$175.85
−1.07%1
Insider buys (3m)
3
Insider sells (3m)
-$703.4K
Net value (3m)
-9.1%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 25, 2026 | Kalathur Rajesh · director | Purchase | 2,829 | $177 |
| Jul 31, 2026 | Meyer Robert Joseph · officer: SVP & Advisor to the CFO | Sale | 5,000 | $179 |
| Jul 30, 2026 | Dowling Ruth T · officer: EVP, Chief Admin Ofr, GC & Sec | Sale | 685 | $170 |
| Jul 30, 2026 | Dowling Ruth T · officer: EVP, Chief Admin Ofr, GC & Sec | Sale | 1,106 | $175 |
| Apr 30, 2026 | Dowling Ruth T · officer: EVP, Chief Admin Ofr, GC & Sec | Sale | 416 | $178 |
| Apr 30, 2026 | Dowling Ruth T · officer: EVP, Chief Admin Ofr, GC & Sec | Sale | 556 | $178 |
| Mar 12, 2026 | Chambliss Kelly C · director | A-Award | 1,209 | $0.00 |
| Mar 12, 2026 | Tanner Bruce L · director | A-Award | 1,209 | $0.00 |
| Mar 12, 2026 | REILLY EUGENE F · director | A-Award | 1,209 | $0.00 |
| Mar 12, 2026 | MACNAB CRAIG · director | A-Award | 1,209 | $0.00 |
| Mar 12, 2026 | Ray Neville R · director | A-Award | 1,209 | $0.00 |
| Mar 12, 2026 | Lieblein Grace · director | A-Award | 1,209 | $0.00 |
| Mar 12, 2026 | Vondran Steven O · director, officer: President and CEO | A-Award | 20,955 | $0.00 |
| Mar 12, 2026 | Font Juan · officer: SVP, Pres. & CEO, CoreSite | A-Award | 8,060 | $0.00 |
| Mar 12, 2026 | Dowling Ruth T · officer: EVP, Chief Admin Ofr, GC & Sec | F-InKind | 6,629 | $186 |
| Mar 12, 2026 | Noel Eugene M · officer: EVP & Chief Operating Officer | A-Award | 8,167 | $0.00 |
| Mar 12, 2026 | Vondran Steven O · director, officer: President and CEO | F-InKind | 15,269 | $186 |
| Mar 12, 2026 | Meyer Robert Joseph · officer: SVP & Chief Accounting Officer | F-InKind | 1,368 | $186 |
| Mar 12, 2026 | Kalathur Rajesh · director | Purchase | 2,671 | $185 |
| Mar 12, 2026 | Frank Kenneth R · director | A-Award | 1,209 | $0.00 |
| Mar 12, 2026 | Kalathur Rajesh · director | A-Award | 1,209 | $0.00 |
| Mar 12, 2026 | Meyer Robert Joseph · officer: SVP & Chief Accounting Officer | A-Award | 4,030 | $0.00 |
| Mar 12, 2026 | Vondran Steven O · director, officer: President and CEO | F-InKind | 2,158 | $183 |
| Mar 12, 2026 | Clarke Teresa Hillary · director | A-Award | 1,209 | $0.00 |
| Mar 12, 2026 | Smith Rodney M · officer: EVP, CFO & Treasurer | A-Award | 10,531 | $0.00 |
| Mar 12, 2026 | Font Juan · officer: SVP, Pres. & CEO, CoreSite | F-InKind | 928 | $183 |
| Mar 12, 2026 | Noel Eugene M · officer: EVP & Chief Operating Officer | F-InKind | 719 | $183 |
| Mar 12, 2026 | Noel Eugene M · officer: EVP & Chief Operating Officer | F-InKind | 2,498 | $186 |
| Mar 12, 2026 | Font Juan · officer: SVP, Pres. & CEO, CoreSite | F-InKind | 1,834 | $186 |
| Mar 12, 2026 | Smith Rodney M · officer: EVP, CFO & Treasurer | F-InKind | 1,295 | $183 |
Institutional positioning
13F filings over the trailing two quarters
New 337Increased 1398Reduced 1344Sold out 164
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 45,796,561 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 44,954,137 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 30,437,771 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 30,362,380 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 27,851,812 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 27,596,159 | May 8, 2026 |
| STATE STREET CORP | Increased | 22,066,202 | Aug 7, 2026 |
| STATE STREET CORP | Increased | 21,434,609 | May 15, 2026 |
| JPMORGAN CHASE & CO | Increased | 15,128,367 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 13,933,628 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 13,838,970 | Aug 12, 2026 |
| COHEN & STEERS, INC. | Increased | 13,777,789 | Aug 14, 2026 |
| COHEN & STEERS, INC. | Increased | 12,619,866 | May 15, 2026 |
| FMR LLC | Increased | 11,376,427 | Aug 13, 2026 |
| FMR LLC | Reduced | 11,317,048 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 25, 2026