American Tower Corp
AMT- Exchange
- NYSE
- Industry
- Real Estate Investment Trusts
- SEC CIK
- 0001053507
In the last 90 days, American Tower Corp insiders filed 1 open-market purchase and 2 sales; 1,756 institutions reported holding it in 13F filings for Q2 2026, worth $72.0B in total; Akre Capital Management is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by American Tower Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 1 filing
- 1 insider, $500.7K in total
- Open-market sells
- 2 filings
- 2 insiders, $1.20M in total
- Insiders trading
- 3
- Net value
- −$703.4K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for American Tower Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Kalathur Rajesh | Director | 7,765 | Aug 25, 2026 | 2 |
| Meyer Robert Joseph JR | SVP & Advisor to the CFO | 21,428 | Jul 31, 2026 | 4 |
| Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | 27,711 | Jul 30, 2026 | 7 |
| Reeve Pamela D A | Director | 21,089 | Jun 1, 2026 | 2 |
| Hormats Robert D | Other: Former Director | 9,597 | May 20, 2026 | 2 |
| Macnab Craig | Director | 15,315 | Mar 12, 2026 | 1 |
| Reilly Eugene F | Director | 6,898 | Mar 12, 2026 | 2 |
| Tanner Bruce L | Director | 6,940 | Mar 12, 2026 | 1 |
| Lieblein Grace | Director | 9,141 | Mar 12, 2026 | 1 |
| Ray Neville R | Director | 2,265 | Mar 12, 2026 | 1 |
| Chambliss Kelly C | Director | 4,426 | Mar 12, 2026 | 1 |
| Font Juan | SVP, Pres. & CEO, CoreSite | 28,352 | Mar 12, 2026 | 2 |
| Vondran Steven O | President and CEO | 108,902 | Mar 12, 2026 | 3 |
| Smith Rodney M | EVP, CFO & Treasurer | 92,542 | Mar 12, 2026 | 3 |
| Frank Kenneth R | Director | 6,188 | Mar 12, 2026 | 1 |
| Clarke Teresa Hillary | Director | 5,307 | Mar 12, 2026 | 1 |
| Noel Eugene M | EVP & Chief Operating Officer | 34,542 | Mar 12, 2026 | 2 |
| Rossi Richard C | EVP & President, U.S. Tower | 17,518 | Mar 12, 2026 | 1 |
| Puech Olivier | Other: Former Officer | 38,023 | Jan 6, 2026 | 1 |
| Reed Joann A | Other: Former Director | 62,940 | May 16, 2025 | 0 |
| Goel Sanjay | Other: Former Officer | 25,408 | Apr 2, 2025 | 0 |
| Thompson Samme L | Other: Former Director | 24,260 | May 22, 2024 | 0 |
| Dolan Raymond P | Other: Former Director | 19,634 | May 22, 2024 | 0 |
| Bartlett Thomas A | Other: Former Officer | 269,557 | May 3, 2024 | 0 |
| DiSanto Edmund | Other: Former Officer | 161,670 | Jul 3, 2023 | 0 |
| Sharbutt David E | Other: Former Director | 2,858 | May 24, 2023 | 0 |
| Lara Gustavo | Other: Former Director | 12,530 | May 18, 2022 | 0 |
| Sharma Amit | Other: Former Officer | – | Jul 6, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 16, 2022 (view filing) | Dec 14 | 2 days | Smith Rodney MEVP, CFO & Treasurer | SSale | −1.48K | $222.72 | −$330.1K | −2.8%50.7K after | |
| Dec 14, 2022 (view filing) | Dec 12 | 2 days | Reeve Pamela D ADirector | SSale | −3.24K | $213.34 | −$691.0K | −15.6%17.5K after | |
| Nov 23, 2022 (view filing) | Nov 21 | 2 days | Meyer Robert Joseph JRSVP & Chief Accounting Officer | SSale | −1.00K | $219.74 | −$219.7K | −3.7%26.0K after | |
| Nov 4, 2022 (view filing) | Nov 2 | 2 days | DiSanto EdmundEVP, Chief Admin Ofr, GC & Sec | SSale | −35.0K | $207.20 | −$7.25M | −18.2%157.7K after | 9 lots |
| Nov 1, 2022 (view filing) | Oct 28 | 4 days | Reed Joann ADirector | SSale | −1.23K | $204.88 | −$252.2K | −2.2%54.6K after | |
| Sep 6, 2022 (view filing) | Sep 1 | 5 days | Hormats Robert DDirector | SSale | −150 | $252.94 | −$37.9K | −2.3%6.42K after | |
| Jul 6, 2022 (view filing) | Jul 1 | 5 days | Hormats Robert DDirector | SSale | −150 | $254.53 | −$38.2K | −2.2%6.57K after | |
| Jun 17, 2022 (view filing) | Jun 15 | 2 days | Hormats Robert DDirector | SSale | −200 | $235.40 | −$47.1K | −2.9%6.72K after | |
| Jun 3, 2022 (view filing) | Jun 1 | 2 days | Hormats Robert DDirector | SSale | −200 | $256.13 | −$51.2K | −2.8%6.92K after | |
| May 3, 2022 (view filing) | Apr 29 | 4 days | Tanner Bruce LDirector | PPurchase | +9 | $244.96 | +$2.20K | +0.4%2.51K after | |
| Apr 25, 2022 (view filing) | Apr 21 | 4 days | Smith Rodney MEVP, CFO & Treasurer | SSale | −25.4K | $270.00 | −$6.86M | −32.6%52.4K after | |
| Mar 17, 2022 (view filing) | Mar 15 | 2 days | Meyer Robert Joseph JRSVP & Chief Accounting Officer | SSale | −2.80K | $235.76 | −$660.1K | −9.4%26.9K after | 2 lots |
| Mar 14, 2022 (view filing) | Jan 14 | 59 daysLate | Tanner Bruce LDirector | PPurchase | +4 | $252.12 | +$1.01K | +0.2%1.62K after | |
| Feb 8, 2022 (view filing) | Feb 4 | 4 days | Thompson Samme LDirector | SSale | −1.59K | $248.16 | −$394.6K | −7.0%21.2K after | |
| Jan 18, 2022 (view filing) | Jan 13 | 5 days | Smith Rodney MEVP, CFO & Treasurer | SSale | −3.96K | $260.00 | −$1.03M | −7.5%48.4K after | |
| Jan 5, 2022 (view filing) | Jan 3 | 2 days | Thompson Samme LDirector | SSale | −2.00K | $292.37 | −$584.7K | −8.6%21.2K after | |
| Dec 13, 2021 (view filing) | Dec 9 | 4 days | Reeve Pamela D ADirector | SSale | −3.59K | $273.02 | −$980.1K | −17.8%16.6K after | |
| Nov 18, 2021 (view filing) | Nov 16 | 2 days | Reed Joann ADirector | SSale | −866 | $260.50 | −$225.6K | −1.6%51.7K after | |
| Sep 9, 2021 (view filing) | Sep 7 | 2 days | Hormats Robert DDirector | SSale | −100 | $300.50 | −$30.1K | −1.6%6.24K after | |
| Sep 8, 2021 (view filing) | Sep 3 | 5 days | Sharbutt David EDirector | SSale | −739 | $300.71 | −$222.2K | −45.0%905 after | |
| Aug 26, 2021 (view filing) | Aug 24 | 2 days | Hormats Robert DDirector | SSale | −100 | $289.49 | −$28.9K | −1.6%6.34K after | |
| Aug 25, 2021 (view filing) | Aug 23 | 2 days | Sharbutt David EDirector | SSale | −2.40K | $290.00 | −$696.0K | −59.3%1.64K after | |
| Aug 12, 2021 (view filing) | Aug 10 | 2 days | Hormats Robert DDirector | SSale | −100 | $281.55 | −$28.2K | −1.5%6.44K after | |
| Aug 3, 2021 (view filing) | Jul 30 | 4 days | Meyer Robert Joseph JRSVP & Chief Accounting Officer | SSale | −5.29K | $284.89 | −$1.51M | −16.3%27.2K after | 2 lots |
| Jul 22, 2021 (view filing) | Jul 20 | 2 days | Hormats Robert DDirector | SSale | −100 | $283.11 | −$28.3K | −1.5%6.54K after | |
| Jul 14, 2021 (view filing) | Jul 12-13 | 2 days | Vondran Steven OEVP & President, U.S. Tower | SSale | −8.86K | $279.00 | −$2.47M | −32.5%18.4K after | 4 lots |
| Jul 8, 2021 (view filing) | Jul 6 | 2 days | Hormats Robert DDirector | SSale | −100 | $272.87 | −$27.3K | −1.5%6.64K after |