AMT
$162.20+0.71%
as of close, Oct 2, 2026
☾ AH $162.20 +0.71%
American Tower Corporation (REIT)Stock · Real EstateUS REITs 4.5%S&P 500 Equal Weight 0.2%S&P 500 0.1%Russell 1000 0.1%US Stock Market 0.1%Russell 3000 0.1%MSCI World 0.10%MSCI ACWI 0.08%
AMT SEC filings (2026)
CIK 1053507 · Real Estate Investment Trusts (SIC 6798) · incorporated in DE · fiscal year ends in December
2,582 filings on EDGAR since 1998 · 32 annual, 90 quarterly, 578 current · financial statements · earnings
Latest 10-K
Feb 24, 2026
fiscal year to Dec 31, 2025
Latest 10-Q
Jul 28, 2026
quarter to Jun 30, 2026
Latest 8-K
Sep 18, 2026
Directors or officers; compensation; Other events
Last earnings release
Jul 28, 2026
$2.71 vs $2.65 · ▲ 2.9%
Filings on file
2,582
since 1998, 1,220 insider forms
What happened, last 12 months#
Every earnings release with its print, every report with its quarter, the other 8-Ks by what they covered, the proxy statements, and each day an insider bought or sold — newest first, each line opening the filing on EDGAR. The index by form and year follows.
September 2026
- Sep 188-K8-K · Directors or officers; compensation; Other events
- Sep 148-K8-K · Material definitive agreement; New financial obligation
- Sep 98-K8-K · Other events
August 2026
- Aug 21Insider buyKalathur Rajesh (Director) bought 2,829 shares for $501K at $177.00
July 2026
- Jul 29Insider saleMeyer Robert Joseph (SVP & Advisor to the CFO) sold 5,000 shares for $894K at $178.89
- Jul 29Insider saleDowling Ruth T (EVP, Chief Admin Ofr, GC & Sec) sold 1,106 shares for $194K at $174.96 under a 10b5-1 plan
- Jul 28EarningsEarnings release — EPS $2.71 vs $2.65 est. (+2.3%); revenue $2.75B (+5% y/y) 2.9%
- Jul 28ReportQuarterly report, Q2 2026 — revenue $2.75B (+5% y/y), net income $867.5M, EPS $1.86
- Jul 28Insider saleDowling Ruth T (EVP, Chief Admin Ofr, GC & Sec) sold 685 shares for $116K at $169.54 under a 10b5-1 plan
June 2026
- Jun 48-K8-K · Other events
- Jun 28-K8-K · Other events
May 2026
- May 278-K8-K · Material definitive agreement; New financial obligation
- May 218-K8-K · Directors or officers; compensation; Shareholder vote results; Other events
- May 198-K8-K · Other events
- May 78-K8-K · Material definitive agreement; New financial obligation
April 2026
- Apr 29Insider saleDowling Ruth T (EVP, Chief Admin Ofr, GC & Sec) sold 416 shares for $74K at $177.54 under a 10b5-1 plan
- Apr 28EarningsEarnings release — EPS $2.84 vs $2.65 est. (+7.2%); revenue $2.74B (+7% y/y) 1.8%
- Apr 28ReportQuarterly report, Q1 2026 — revenue $2.74B (+7% y/y), net income $859.5M, EPS $1.84
- Apr 28Insider saleDowling Ruth T (EVP, Chief Admin Ofr, GC & Sec) sold 556 shares for $99K at $178.48 under a 10b5-1 plan
- Apr 28ProxyProxy · Additional proxy materials
- Apr 8ProxyProxy · Annual report to shareholders
- Apr 8ProxyProxy · Additional proxy materials
- Apr 8ProxyProxy · Proxy statement
March 2026
- Mar 10Insider buyKalathur Rajesh (Director) bought 2,671 shares for $495K at $185.30
- Mar 108-K8-K · Directors or officers; compensation
- Mar 58-K8-K · Other events
- Mar 4Insider saleVondran Steven O (President and CEO · Director) sold 33,482 shares for $6.3M at $187.90–$189.82 under a 10b5-1 plan
- Mar 4Insider saleDowling Ruth T (EVP, Chief Admin Ofr, GC & Sec) sold 682 shares for $129K at $188.51 under a 10b5-1 plan
- Mar 2Insider saleNoel Eugene M (EVP & Chief Operating Officer) sold 41,209 shares for $7.9M at $189.36–$192.03 under a 10b5-1 plan
February 2026
- Feb 27Insider saleMeyer Robert Joseph (SVP & Chief Accounting Officer) sold 4,454 shares for $832K at $186.73
- Feb 27Insider saleDowling Ruth T (EVP, Chief Admin Ofr, GC & Sec) sold 656 shares for $122K at $186.16 under a 10b5-1 plan
- Feb 278-K8-K · Directors or officers; compensation
- Feb 24EarningsEarnings release — EPS $2.63 vs $2.47 est. (+6.5%); revenue $2.74B (+7% y/y) 0.1%
- Feb 24ReportAnnual report, FY2025 — revenue $10.64B (+5% y/y), net income $2.63B, EPS $5.40
- Feb 17Insider saleSmith Rodney M (EVP, CFO & Treasurer) sold 34,341 shares for $6.6M at $190.35–$193.13 under a 10b5-1 plan
January 2026
- Jan 298-K8-K · Directors or officers; compensation
- Jan 288-K8-K · Other events
December 2025
- Dec 58-K8-K · Material definitive agreement; New financial obligation
- Dec 48-K8-K · Other events
- Dec 28-K8-K · Other events
November 2025
- Nov 78-K8-K · Directors or officers; compensation
October 2025
Insider transactions#
What officers, directors and 10% holders reported on Forms 4 and 5 over the last 13 months, from the documents themselves: one insider’s trades of one kind on one day are one row, with the shares, the price range and the total as filed. Open-market buys and sells first; awards, exercises, tax withholding, gifts and employee-plan purchases are grouped below them.
Over the last 13 months insiders sold $23.2M in 11 sales and bought $996K in 2 purchases; 44 other transactions (awards, exercises, tax withholding, gifts and plan purchases).
| Date | Insider |
|---|---|
| Aug 21, 2026Form 4 | Kalathur RajeshDirectorBought · $501K · 2,829 sh |
| Jul 29, 2026Form 4 | Meyer Robert JosephSVP & Advisor to the CFOSold · $894K · 5,000 sh |
| Jul 29, 2026Form 4 | Dowling Ruth TEVP, Chief Admin Ofr, GC & SecSold · $194K · 1,106 sh · 10b5-1 |
| Jul 28, 2026Form 4 | Dowling Ruth TEVP, Chief Admin Ofr, GC & SecSold · $116K · 685 sh · 10b5-1 |
| Apr 29, 2026Form 4 | Dowling Ruth TEVP, Chief Admin Ofr, GC & SecSold · $74K · 416 sh · 10b5-1 |
| Apr 28, 2026Form 4 | Dowling Ruth TEVP, Chief Admin Ofr, GC & SecSold · $99K · 556 sh · 10b5-1 |
| Mar 10, 2026Form 4 | Kalathur RajeshDirectorBought · $495K · 2,671 sh |
| Mar 4, 2026Form 4 | Vondran Steven OPresident and CEO · DirectorSold · $6.3M · 33,482 sh · 10b5-1 |
| Mar 4, 2026Form 4 | Dowling Ruth TEVP, Chief Admin Ofr, GC & SecSold · $129K · 682 sh · 10b5-1 |
| Mar 2, 2026Form 4 | Noel Eugene MEVP & Chief Operating OfficerSold · $7.9M · 41,209 sh · 10b5-1 |
| Feb 27, 2026Form 4 | Meyer Robert JosephSVP & Chief Accounting OfficerSold · $832K · 4,454 sh |
| Feb 27, 2026Form 4 | Dowling Ruth TEVP, Chief Admin Ofr, GC & SecSold · $122K · 656 sh · 10b5-1 |
| Feb 17, 2026Form 4 | Smith Rodney MEVP, CFO & TreasurerSold · $6.6M · 34,341 sh · 10b5-1 |
Awards, exercises, withholding and plan purchases · 44 transactions
| Date | Insider |
|---|---|
| Jun 1, 2026Form 4 | Meyer Robert JosephSVP & Advisor to the CFOTax withholding · $29K · 153 sh |
| May 28, 2026Form 4 | REEVE PAMELA D ADirectorGift · $0 · 810 sh |
| Mar 11, 2026Form 4 | Vondran Steven OPresident and CEO · DirectorTax withholding · $395K · 2,158 sh |
| Mar 11, 2026Form 4 | Smith Rodney MEVP, CFO & TreasurerTax withholding · $237K · 1,295 sh |
| Mar 11, 2026Form 4 | Font JuanSVP, Pres. & CEO, CoreSiteTax withholding · $170K · 928 sh |
| Mar 11, 2026Form 4 | Dowling Ruth TEVP, Chief Admin Ofr, GC & SecTax withholding · $158K · 863 sh |
| Mar 11, 2026Form 4 | Noel Eugene MEVP & Chief Operating OfficerTax withholding · $131K · 719 sh |
| Mar 11, 2026Form 4 | Meyer Robert JosephSVP & Chief Accounting OfficerTax withholding · $125K · 684 sh |
| Mar 11, 2026Form 4 | Rossi Richard CEVP & President, U.S. TowerTax withholding · $125K · 684 sh |
| Mar 10, 2026Form 4 | Vondran Steven OPresident and CEO · DirectorTax withholding · $2.8M · 15,269 sh |
| Mar 10, 2026Form 4 | Smith Rodney MEVP, CFO & TreasurerTax withholding · $2.3M · 12,433 sh |
| Mar 10, 2026Form 4 | Dowling Ruth TEVP, Chief Admin Ofr, GC & SecTax withholding · $1.2M · 6,629 sh |
| Mar 10, 2026Form 4 | Noel Eugene MEVP & Chief Operating OfficerTax withholding · $465K · 2,498 sh |
| Mar 10, 2026Form 4 | Font JuanSVP, Pres. & CEO, CoreSiteTax withholding · $341K · 1,834 sh |
| Mar 10, 2026Form 4 | Rossi Richard CEVP & President, U.S. TowerTax withholding · $287K · 1,544 sh |
| Mar 10, 2026Form 4 | Meyer Robert JosephSVP & Chief Accounting OfficerTax withholding · $255K · 1,368 sh |
| Mar 10, 2026Form 4 | Vondran Steven OPresident and CEO · DirectorAward · $0 · 20,955 sh |
| Mar 10, 2026Form 4 | Smith Rodney MEVP, CFO & TreasurerAward · $0 · 10,531 sh |
| Mar 10, 2026Form 4 | Noel Eugene MEVP & Chief Operating OfficerAward · $0 · 8,167 sh |
| Mar 10, 2026Form 4 | Font JuanSVP, Pres. & CEO, CoreSiteAward · $0 · 8,060 sh |
| Mar 10, 2026Form 4 | Dowling Ruth TEVP, Chief Admin Ofr, GC & SecAward · $0 · 6,878 sh |
| Mar 10, 2026Form 4 | Rossi Richard CEVP & President, U.S. TowerAward · $0 · 6,448 sh |
| Mar 10, 2026Form 4 | Meyer Robert JosephSVP & Chief Accounting OfficerAward · $0 · 4,030 sh |
| Mar 10, 2026Form 4 | Frank Kenneth RDirectorAward · $0 · 1,209 sh |
| Mar 10, 2026Form 4 | Lieblein GraceDirectorAward · $0 · 1,209 sh |
| Mar 10, 2026Form 4 | Tanner Bruce LDirectorAward · $0 · 1,209 sh |
| Mar 10, 2026Form 4 | REILLY EUGENE FDirectorAward · $0 · 1,209 sh |
| Mar 10, 2026Form 4 | Ray Neville RDirectorAward · $0 · 1,209 sh |
| Mar 10, 2026Form 4 | REEVE PAMELA D ADirectorAward · $0 · 1,209 sh |
| Mar 10, 2026Form 4 | Clarke Teresa HillaryDirectorAward · $0 · 1,209 sh |
| Mar 10, 2026Form 4 | HORMATS ROBERT DDirectorAward · $0 · 1,209 sh |
| Mar 10, 2026Form 4 | Kalathur RajeshDirectorAward · $0 · 1,209 sh |
| Mar 10, 2026Form 4 | MACNAB CRAIGDirectorAward · $0 · 1,209 sh |
| Mar 10, 2026Form 4 | Chambliss Kelly CDirectorAward · $0 · 1,209 sh |
| Mar 4, 2026Form 4 | Vondran Steven OPresident and CEO · DirectorExercise or conversion · $3.2M · 33,482 sh · 10b5-1 |
| Mar 4, 2026Form 4 | Vondran Steven OPresident and CEO · DirectorExercise or conversion · Option to Purchase Common … · $0 · 33,482 sh · 10b5-1 |
| Mar 2, 2026Form 4 | Noel Eugene MEVP & Chief Operating OfficerExercise or conversion · $3.9M · 41,209 sh · 10b5-1 |
| Mar 2, 2026Form 4 | Noel Eugene MEVP & Chief Operating OfficerExercise or conversion · Option to Purchase Common … · $0 · 41,209 sh · 10b5-1 |
| Feb 25, 2026Form 4 | Vondran Steven OPresident and CEO · DirectorAward · $0 · 24,626 sh |
| Feb 25, 2026Form 4 | Smith Rodney MEVP, CFO & TreasurerAward · $0 · 21,425 sh |
| Feb 25, 2026Form 4 | Dowling Ruth TEVP, Chief Admin Ofr, GC & SecAward · $0 · 11,083 sh |
| Feb 17, 2026Form 4 | Smith Rodney MEVP, CFO & TreasurerExercise or conversion · $3.3M · 34,341 sh · 10b5-1 |
| Feb 17, 2026Form 4 | Smith Rodney MEVP, CFO & TreasurerExercise or conversion · Option to Purchase Common … · $0 · 34,341 sh · 10b5-1 |
| Jan 3, 2026Form 4 | Font JuanSVP, Pres. & CEO, CoreSiteTax withholding · $73K · 419 sh |
Reports and proxy statements#
Annual reports (10-K, 20-F, 40-F), quarterly reports (10-Q), current reports (8-K, 6-K) and proxy statements, newest first. An 8-K is described by its items. A form opens the document on EDGAR, or the filing’s index where it furnishes exhibits (an earnings release is the 8-K’s Exhibit 99.1).
2026 · 24 filings
| Filed | What it is |
|---|---|
| Sep 18, 20268-K | Directors or officers; compensation; Other events |
| Sep 14, 20268-K | Material definitive agreement; New financial obligation |
| Sep 9, 20268-K | Other events |
| Jul 28, 202610-Q | Quarterly report, Q2 2026 — revenue $2.75B (+5% y/y), net income $867.5M, EPS $1.86 |
| Jul 28, 20268-K | Earnings release — EPS $2.71 vs $2.65 est. (+2.3%); revenue $2.75B (+5% y/y) 2.9% |
| Jun 4, 20268-K | Other events |
| Jun 2, 20268-K | Other events |
| May 27, 20268-K | Material definitive agreement; New financial obligation |
| May 21, 20268-K | Directors or officers; compensation; Shareholder vote results; Other events |
| May 19, 20268-K | Other events |
| May 7, 20268-K | Material definitive agreement; New financial obligation |
| Apr 28, 2026DEFA14A | Additional proxy materials |
| Apr 28, 202610-Q | Quarterly report, Q1 2026 — revenue $2.74B (+7% y/y), net income $859.5M, EPS $1.84 |
| Apr 28, 20268-K | Earnings release — EPS $2.84 vs $2.65 est. (+7.2%); revenue $2.74B (+7% y/y) 1.8% |
| Apr 8, 2026ARS | Annual report to shareholders |
| Apr 8, 2026DEFA14A | Additional proxy materials |
| Apr 8, 2026DEF 14A | Proxy statement |
| Mar 10, 20268-K | Directors or officers; compensation |
| Mar 5, 20268-K | Other events |
| Feb 27, 20268-K | Directors or officers; compensation |
| Feb 24, 202610-K | Annual report, FY2025 — revenue $10.64B (+5% y/y), net income $2.63B, EPS $5.40 |
| Feb 24, 20268-K | Earnings release — EPS $2.63 vs $2.47 est. (+6.5%); revenue $2.74B (+7% y/y) 0.1% |
| Jan 29, 20268-K | Directors or officers; compensation |
| Jan 28, 20268-K | Other events |
2025 · 32 filings
| Filed | What it is |
|---|---|
| Dec 5, 20258-K | Material definitive agreement; New financial obligation |
| Dec 4, 20258-K | Other events |
| Dec 2, 20258-K | Other events |
| Nov 7, 20258-K | Directors or officers; compensation |
| Oct 28, 202510-Q | Quarterly report, Q3 2025 — revenue $2.72B (+8% y/y), net income $912.6M, EPS $1.82 |
| Oct 28, 20258-K | Earnings release — EPS $2.78 vs $2.55 est. (+9.0%); revenue $2.72B (+8% y/y) 3.7% |
| Sep 24, 20258-K | Regulation FD disclosure |
| Sep 18, 20258-K | Directors or officers; compensation; Other events |
| Sep 16, 20258-K | Material definitive agreement; New financial obligation |
| Sep 11, 20258-K | Other events |
| Sep 5, 20258-K | Regulation FD disclosure |
| Aug 25, 20258-K | Directors or officers; compensation |
| Jul 29, 202510-Q | Quarterly report, Q2 2025 — revenue $2.63B (+3% y/y), net income $380.5M, EPS $0.78 |
| Jul 29, 20258-K | Results of operations |
| May 30, 20258-K | Material definitive agreement; New financial obligation |
| May 21, 20258-K | Other events |
| May 15, 20258-K | Shareholder vote results; Other events |
| Apr 29, 202510-Q | Quarterly report, Q1 2025 — revenue $2.56B (+2% y/y), net income $498.6M, EPS $1.04 |
| Apr 29, 20258-K | Results of operations |
| Apr 2, 2025ARS | Annual report to shareholders |
| Apr 2, 2025DEFA14A | Additional proxy materials |
| Apr 2, 2025DEF 14A | Proxy statement |
| Mar 20, 20258-K | Directors or officers; compensation |
| Mar 14, 20258-K | Material definitive agreement; New financial obligation |
| Mar 11, 20258-K | Other events |
| Mar 6, 20258-K | Other events |
| Mar 5, 20258-K | Directors or officers; compensation |
| Feb 25, 202510-K | Annual report, FY2024 — revenue $10.13B (+1% y/y), net income $2.28B, EPS $4.82 |
| Feb 25, 20258-K | Results of operations |
| Feb 5, 20258-K | Directors or officers; compensation |
| Jan 28, 20258-K | Material definitive agreement; New financial obligation |
| Jan 7, 20258-K | Directors or officers; compensation; Charter, bylaws or fiscal-year change |
2024 · 27 filings
| Filed | What it is |
|---|---|
| Dec 5, 20248-K | Other events |
| Nov 21, 20248-K | Material definitive agreement; New financial obligation |
| Nov 19, 20248-K | Other events |
| Oct 31, 20248-K | Directors or officers; compensation |
| Oct 29, 202410-Q | Quarterly report, Q3 2024 — revenue $2.52B (+0% y/y), net income −$780.4M, EPS −$1.69 |
| Oct 29, 20248-K | Results of operations |
| Sep 12, 20248-K | Other events |
| Sep 12, 20248-K | Regulation FD disclosure |
| Jul 30, 202410-Q | Quarterly report, Q2 2024 — revenue $2.54B (+1% y/y), net income $908.4M, EPS $1.92 |
| Jul 30, 20248-K | Results of operations |
| May 29, 20248-K | Material definitive agreement; New financial obligation |
| May 24, 20248-K | Directors or officers; compensation; Shareholder vote results; Other events |
| May 22, 20248-K | Other events |
| Apr 30, 202410-Q | Quarterly report, Q1 2024 — revenue $2.51B (−0% y/y), net income $921.7M, EPS $1.96 |
| Apr 30, 20248-K | Results of operations |
| Apr 17, 2024PX14A6G | Shareholder exempt solicitation |
| Apr 10, 2024ARS | Annual report to shareholders |
| Apr 10, 2024DEFA14A | Additional proxy materials |
| Apr 10, 2024DEF 14A | Proxy statement |
| Mar 14, 20248-K | Directors or officers; compensation; Other events |
| Mar 7, 20248-K | Material definitive agreement; New financial obligation |
| Mar 4, 20248-K | Other events |
| Mar 1, 20248-K | Directors or officers; compensation |
| Feb 27, 202410-K | Annual report, FY2023 — revenue $10.01B (+4% y/y), net income $1.37B, EPS $3.18 |
| Feb 27, 20248-K | Results of operations |
| Feb 7, 20248-K | Directors or officers; compensation |
| Jan 5, 20248-K | Other events |
2023 · 29 filings — 22 × 8-K, 3 × 10-Q, 1 × 10-K and 3 other forms
| Filed | What it is |
|---|---|
| Oct 26, 202310-Q | Quarterly report, Q3 2023 — revenue $2.52B (−6% y/y), net income $577.3M, EPS $1.26 |
| Jul 27, 202310-Q | Quarterly report, Q2 2023 — revenue $2.51B (−6% y/y), net income $461.5M, EPS $1.02 |
| Apr 26, 202310-Q | Quarterly report, Q1 2023 — revenue $2.52B (−5% y/y), net income $315.0M, EPS $0.72 |
| Apr 12, 2023ARS | Annual report to shareholders |
| Apr 12, 2023DEFA14A | Additional proxy materials |
| Apr 12, 2023DEF 14A | Proxy statement |
| Feb 23, 202310-K | Annual report, FY2022 — revenue $9.65B (+3% y/y), net income $1.70B, EPS $3.82 |
22 current reports (8-K) not listed; the year is on EDGAR.
2022 · 28 filings — 22 × 8-K, 3 × 10-Q, 1 × 10-K and 2 other forms
| Filed | What it is |
|---|---|
| Oct 27, 202210-Q | Quarterly report, Q3 2022 — revenue $2.67B (+9% y/y), net income $839.7M, EPS $1.80 |
| Jul 28, 202210-Q | Quarterly report, Q2 2022 — revenue $2.67B (+16% y/y), net income $898.2M, EPS $1.95 |
| Apr 27, 202210-Q | Quarterly report, Q1 2022 — revenue $2.66B (+23% y/y), net income $711.7M, EPS $1.56 |
| Apr 6, 2022DEFA14A | Additional proxy materials |
| Apr 6, 2022DEF 14A | Proxy statement |
| Feb 25, 202210-K | Annual report, FY2021 — revenue $9.36B (+16% y/y), net income $2.57B, EPS $5.66 |
22 current reports (8-K) not listed; the year is on EDGAR.
2021 · 41 filings — 35 × 8-K, 3 × 10-Q, 1 × 10-K and 2 other forms
| Filed | What it is |
|---|---|
| Oct 28, 202110-Q | Quarterly report, Q3 2021 — revenue $2.45B (+22% y/y), net income $723.0M, EPS $1.58 |
| Jul 29, 202110-Q | Quarterly report, Q2 2021 — revenue $2.30B (+20% y/y), net income $746.3M, EPS $1.65 |
| Apr 29, 202110-Q | Quarterly report, Q1 2021 — revenue $2.16B (+8% y/y), net income $645.0M, EPS $1.45 |
| Apr 14, 2021DEFA14A | Additional proxy materials |
| Apr 14, 2021DEF 14A | Proxy statement |
| Feb 25, 202110-K | Annual report, FY2020 — revenue $8.04B (+6% y/y), net income $1.69B, EPS $3.79 |
35 current reports (8-K) not listed; the year is on EDGAR.
2020 · 40 filings — 33 × 8-K, 3 × 10-Q, 1 × 10-K and 3 other forms
| Filed | What it is |
|---|---|
| Oct 29, 202010-Q | Quarterly report, Q3 2020 — revenue $2.01B (+3% y/y), net income $464.4M, EPS $1.04 |
| Jul 30, 202010-Q | Quarterly report, Q2 2020 — revenue $1.91B (+1% y/y), net income $446.1M, EPS $1.00 |
| Apr 29, 202010-Q | Quarterly report, Q1 2020 — revenue $1.99B (+10% y/y), net income $415.0M, EPS $0.93 |
| Apr 6, 2020DEFA14A | Additional proxy materials |
| Apr 6, 2020DEF 14A | Proxy statement |
| Feb 25, 202010-K | Annual report, FY2019 — revenue $7.58B (+2% y/y), net income $1.89B, EPS $4.24 |
34 current reports (8-K) not listed; the year is on EDGAR.
2019 · 31 filings — 25 × 8-K, 3 × 10-Q, 1 × 10-K and 2 other forms
| Filed | What it is |
|---|---|
| Oct 31, 201910-Q | Quarterly report, Q3 2019 — revenue $1.95B (+9% y/y), net income $498.6M, EPS $1.12 |
| Jul 31, 201910-Q | Quarterly report, Q2 2019 — revenue $1.89B (+6% y/y), net income $429.1M, EPS $0.96 |
| May 3, 201910-Q | Quarterly report, Q1 2019 — revenue $1.81B (+4% y/y), net income $397.4M, EPS $0.89 |
| Apr 10, 2019DEFA14A | Additional proxy materials |
| Apr 10, 2019DEF 14A | Proxy statement |
| Feb 27, 201910-K | Annual report, FY2018 — revenue $7.44B (+12% y/y), net income $1.24B, EPS $2.77 |
25 current reports (8-K) not listed; the year is on EDGAR.
2018 · 25 filings — 19 × 8-K, 3 × 10-Q, 1 × 10-K and 2 other forms
| Filed | What it is |
|---|---|
| Oct 30, 201810-Q | Quarterly report, Q3 2018 — revenue $1.79B (+6% y/y), net income $366.9M, EPS $0.83 |
| Jul 31, 201810-Q | Quarterly report, Q2 2018 — revenue $1.78B (+7% y/y), net income $306.7M, EPS $0.69 |
| May 2, 201810-Q | Quarterly report, Q1 2018 — revenue $1.74B (+8% y/y), net income $285.2M, EPS $0.63 |
| Apr 12, 2018DEFA14A | Additional proxy materials |
| Apr 12, 2018DEF 14A | Proxy statement |
| Feb 28, 201810-K | Annual report, FY2017 — revenue $6.66B (+15% y/y), net income $1.24B, EPS $2.67 |
19 current reports (8-K) not listed; the year is on EDGAR.
2017 · 32 filings — 26 × 8-K, 3 × 10-Q, 1 × 10-K and 2 other forms
| Filed | What it is |
|---|---|
| Oct 31, 201710-Q | Quarterly report, Q3 2017 — revenue $1.68B (+11% y/y), net income $317.3M, EPS $0.69 |
| Jul 27, 201710-Q | Quarterly report, Q2 2017 — revenue $1.66B (+15% y/y), net income $367.0M, EPS $0.80 |
| Apr 27, 201710-Q | Quarterly report, Q1 2017 — revenue $1.62B (+25% y/y), net income $316.1M, EPS $0.67 |
| Apr 19, 2017DEFA14A | Additional proxy materials |
| Apr 19, 2017DEF 14A | Proxy statement |
| Feb 27, 201710-K | Annual report, FY2016 — revenue $5.79B (+21% y/y), net income $956.4M, EPS $1.98 |
26 current reports (8-K) not listed; the year is on EDGAR.
2016 · 30 filings — 24 × 8-K, 3 × 10-Q, 1 × 10-K and 2 other forms
Counted, not listed; the year is on EDGAR.
2015 · 34 filings — 26 × 8-K, 3 × 10-Q, 1 × 10-K and 4 other forms
Counted, not listed; the year is on EDGAR.
2014 · 28 filings — 21 × 8-K, 3 × 10-Q, 1 × 10-K and 3 other forms
Counted, not listed; the year is on EDGAR.
2013 · 35 filings — 27 × 8-K, 3 × 10-Q, 1 × 10-K and 4 other forms
Counted, not listed; the year is on EDGAR.
2012 · 26 filings — 18 × 8-K, 3 × 10-Q, 1 × 10-K and 4 other forms
Counted, not listed; the year is on EDGAR.
2011 · 29 filings — 19 × 8-K, 3 × 10-Q, 2 × DEFA14A and 5 other forms
Counted, not listed; the year is on EDGAR.
2010 · 22 filings — 15 × 8-K, 3 × 10-Q, 1 × 10-K and 3 other forms
Counted, not listed; the year is on EDGAR.
2009 · 28 filings — 21 × 8-K, 3 × 10-Q, 1 × 10-K and 3 other forms
Counted, not listed; the year is on EDGAR.
2008 · 18 filings — 10 × 8-K, 3 × 10-Q, 1 × 10-K and 4 other forms
Counted, not listed; the year is on EDGAR.
2007 · 32 filings — 23 × 8-K, 3 × 10-Q, 2 × 8-K/A and 4 other forms
Counted, not listed; the year is on EDGAR.
2006 · 26 filings — 18 × 8-K, 3 × 10-Q, 1 × 10-K and 4 other forms
Counted, not listed; the year is on EDGAR.
2005 · 31 filings — 19 × 8-K, 3 × 10-Q, 3 × 10-Q/A and 5 other forms
Counted, not listed; the year is on EDGAR.
2004 · 21 filings — 15 × 8-K, 3 × 10-Q, 1 × 10-K and 2 other forms
Counted, not listed; the year is on EDGAR.
2003 · 21 filings — 14 × 8-K, 3 × 10-Q, 1 × 10-K and 3 other forms
Counted, not listed; the year is on EDGAR.
2002 · 8 filings — 3 × 10-Q, 2 × 8-K, 1 × 10-K and 2 other forms
Counted, not listed; the year is on EDGAR.
2001 · 22 filings — 16 × 8-K, 3 × 10-Q, 1 × 10-K and 2 other forms
Counted, not listed; the year is on EDGAR.
2000 · 26 filings — 21 × 8-K, 3 × 10-Q, 1 × 10-K and 1 other form
Counted, not listed; the year is on EDGAR.
1999 · 19 filings — 10 × 8-K, 3 × 10-Q, 2 × 8-K/A and 4 other forms
Counted, not listed; the year is on EDGAR.
1998 · 10 filings — 6 × 8-K, 3 × 10-Q, 1 × 10-K
Counted, not listed; the year is on EDGAR.
Insider, ownership and other filings#
Insider ownership (Forms 3, 4, 5 and 144), beneficial ownership (Schedules 13D and 13G), registration and prospectus (S-1, S-3, S-8, 424B and related) and the rest, counted by year, with the newest 25 of each of the latest 3 years shown. A Form 4 is one insider’s transaction report; a 13G is a passive holder above five percent.
2026 · 59 filings — 36 × 4, 8 × 144, 2 × 3 and 9 other forms
| Filed | What it is |
|---|---|
| Sep 23, 20263 | Initial insider holdings (Form 3) |
| Sep 10, 2026424B2 | Prospectus supplement |
| Sep 9, 2026FWP | Free writing prospectus |
| Sep 9, 2026424B5 | Prospectus supplement |
| Aug 25, 20264 | Insider transaction (Form 4) |
| Jul 31, 20264 | Insider transaction (Form 4) |
| Jul 30, 20264 | Insider transaction (Form 4) |
| Jul 29, 2026144 | Notice of proposed sale (Form 144) |
| Jul 28, 2026144 | Notice of proposed sale (Form 144) |
| Jun 8, 2026CERT | NYSE CERTIFICATION |
| Jun 3, 20264 | Insider transaction (Form 4) |
| Jun 1, 20264 | Insider transaction (Form 4) |
| May 27, 20268-A12B | Exchange listing registration |
| May 26, 2026S-8 | Employee stock plan registration |
| May 22, 202625-NSE | Delisting notice from the exchange |
| May 20, 2026424B2 | Prospectus supplement |
| May 20, 20264 | Insider transaction (Form 4) |
| May 19, 2026FWP | Free writing prospectus |
| May 19, 2026424B5 | Prospectus supplement |
| Apr 30, 20264 | Insider transaction (Form 4) |
| Apr 30, 20263 | Initial insider holdings (Form 3) |
| Apr 29, 2026SCHEDULE 13G | Other filings |
| Apr 28, 2026SCHEDULE 13G | Other filings |
| Mar 26, 2026SCHEDULE 13G/A | Other filings |
| Mar 12, 20264 | Insider transaction (Form 4) |
The newest 25 of 59 shown; the full year is on EDGAR.
2025 · 64 filings — 36 × 4, 7 × 144, 4 × 424B2 and 9 other forms
| Filed | What it is |
|---|---|
| Dec 3, 2025424B2 | Prospectus supplement |
| Dec 2, 2025FWP | Free writing prospectus |
| Dec 2, 2025424B5 | Prospectus supplement |
| Nov 4, 20254 | Insider transaction (Form 4) |
| Oct 3, 20254 | Insider transaction (Form 4) |
| Sep 23, 20254 | Insider transaction (Form 4) |
| Sep 12, 2025424B2 | Prospectus supplement |
| Sep 11, 2025FWP | Free writing prospectus |
| Sep 11, 2025424B5 | Prospectus supplement |
| Aug 29, 20253 | Initial insider holdings (Form 3) |
| Aug 1, 20254 | Insider transaction (Form 4) |
| Jul 31, 2025144 | Notice of proposed sale (Form 144) |
| Jun 3, 20254 | Insider transaction (Form 4) |
| Jun 2, 2025CERT | NYSE CERTIFICATION |
| Jun 2, 2025S-3ASR | Automatic shelf registration |
| May 30, 20258-A12B | Exchange listing registration |
| May 22, 2025424B2 | Prospectus supplement |
| May 21, 2025FWP | Free writing prospectus |
| May 21, 2025424B5 | Prospectus supplement |
| May 16, 20254 | Insider transaction (Form 4) |
| Apr 4, 202525-NSE | Delisting notice from the exchange |
| Apr 2, 20254 | Insider transaction (Form 4) |
| Mar 19, 20254 | Insider transaction (Form 4) |
| Mar 17, 2025144 | Notice of proposed sale (Form 144) |
| Mar 12, 20254 | Insider transaction (Form 4) |
The newest 25 of 64 shown; the full year is on EDGAR.
2024 · 79 filings — 47 × 4, 17 × 144, 3 × 424B2 and 6 other forms
| Filed | What it is |
|---|---|
| Nov 19, 2024424B2 | Prospectus supplement |
| Nov 19, 2024FWP | Free writing prospectus |
| Nov 18, 2024424B5 | Prospectus supplement |
| Oct 3, 20244 | Insider transaction (Form 4) |
| Sep 17, 20244 | Insider transaction (Form 4) |
| Sep 13, 2024144 | Notice of proposed sale (Form 144) |
| Sep 12, 20244 | Insider transaction (Form 4) |
| Sep 10, 2024144 | Notice of proposed sale (Form 144) |
| Sep 5, 20244 | Insider transaction (Form 4) |
| Sep 3, 2024144 | Notice of proposed sale (Form 144) |
| Aug 28, 20244 | Insider transaction (Form 4) |
| Aug 26, 2024144 | Notice of proposed sale (Form 144) |
| Aug 6, 20244 | Insider transaction (Form 4) |
| Aug 6, 20244 | Insider transaction (Form 4) |
| Aug 6, 20244 | Insider transaction (Form 4) |
| Aug 6, 20244 | Insider transaction (Form 4) |
| Aug 2, 2024144 | Notice of proposed sale (Form 144) |
| Aug 2, 2024144 | Notice of proposed sale (Form 144) |
| Aug 2, 2024144 | Notice of proposed sale (Form 144) |
| Aug 2, 2024144 | Notice of proposed sale (Form 144) |
| Jun 6, 20244 | Insider transaction (Form 4) |
| Jun 4, 2024144 | Notice of proposed sale (Form 144) |
| Jun 4, 20244 | Insider transaction (Form 4) |
| Jun 3, 2024CERT | NYSE CERTIFICATION |
| May 29, 20248-A12B | Exchange listing registration |
The newest 25 of 79 shown; the full year is on EDGAR.
2023 · 75 filings — 46 × 4, 6 × 144, 4 × 424B2 and 9 other forms
Counted, not listed; the year is on EDGAR.
2022 · 63 filings — 50 × 4, 2 × 3/A, 2 × 424B2 and 6 other forms
Counted, not listed; the year is on EDGAR.
2021 · 92 filings — 56 × 4, 6 × SC TO-T/A, 5 × 424B2 and 11 other forms
Counted, not listed; the year is on EDGAR.
2020 · 89 filings — 65 × 4, 6 × 424B2, 5 × 424B5 and 6 other forms
Counted, not listed; the year is on EDGAR.
2019 · 89 filings — 73 × 4, 3 × 424B2, 3 × 424B5 and 5 other forms
Counted, not listed; the year is on EDGAR.
2018 · 65 filings — 48 × 4, 4 × SC 13G/A, 2 × 3 and 10 other forms
Counted, not listed; the year is on EDGAR.
2017 · 64 filings — 48 × 4, 3 × 424B2, 3 × 424B5 and 7 other forms
Counted, not listed; the year is on EDGAR.
2016 · 69 filings — 53 × 4, 4 × 424B5, 3 × 424B2 and 5 other forms
Counted, not listed; the year is on EDGAR.
2015 · 51 filings — 35 × 4, 3 × 424B2, 3 × 424B5 and 9 other forms
Counted, not listed; the year is on EDGAR.
2014 · 69 filings — 50 × 4, 3 × 424B2, 3 × 424B5 and 8 other forms
Counted, not listed; the year is on EDGAR.
2013 · 61 filings — 45 × 4, 3 × UPLOAD, 2 × 424B2 and 8 other forms
Counted, not listed; the year is on EDGAR.
2012 · 77 filings — 50 × 4, 7 × S-8 POS, 5 × EFFECT and 11 other forms
Counted, not listed; the year is on EDGAR.
2011 · 63 filings — 40 × 4, 7 × 425, 5 × POS AM and 9 other forms
Counted, not listed; the year is on EDGAR.
2010 · 52 filings — 42 × 4, 2 × 424B2, 2 × 424B5 and 5 other forms
Counted, not listed; the year is on EDGAR.
2009 · 54 filings — 32 × 4, 9 × CORRESP, 5 × UPLOAD and 7 other forms
Counted, not listed; the year is on EDGAR.
2008 · 54 filings — 44 × 4, 2 × CORRESP, 2 × SC 13G/A and 5 other forms
Counted, not listed; the year is on EDGAR.
2007 · 70 filings — 50 × 4, 5 × 3, 3 × CORRESP and 8 other forms
Counted, not listed; the year is on EDGAR.
2006 · 35 filings — 17 × 4, 5 × UPLOAD, 4 × CORRESP and 7 other forms
Counted, not listed; the year is on EDGAR.
2005 · 87 filings — 42 × 4, 9 × 424B3, 9 × 425 and 12 other forms
Counted, not listed; the year is on EDGAR.
2004 · 69 filings — 34 × 4, 15 × 424B3, 3 × S-3/A and 10 other forms
Counted, not listed; the year is on EDGAR.
2003 · 91 filings — 38 × 4, 13 × 4/A, 8 × 5 and 15 other forms
Counted, not listed; the year is on EDGAR.
2002 · 17 filings — 7 × 4, 4 × SC 13G/A, 2 × SC 13D/A and 4 other forms
Counted, not listed; the year is on EDGAR.
2001 · 38 filings — 10 × 424B3, 8 × 4, 4 × SC 13G/A and 13 other forms
Counted, not listed; the year is on EDGAR.
2000 · 52 filings — 27 × 424B3, 5 × S-3, 4 × SC 13G and 9 other forms
Counted, not listed; the year is on EDGAR.
1999 · 39 filings — 18 × 424B3, 5 × SC 13G, 3 × S-1/A and 11 other forms
Counted, not listed; the year is on EDGAR.
1998 · 20 filings — 6 × 424B3, 4 × S-1/A, 2 × S-1 and 6 other forms
Counted, not listed; the year is on EDGAR.
About this data
American Tower Corporation (REIT) (AMT) has 2,582 filings on EDGAR going back to 1998: 32 annual reports, 90 quarterly reports and 578 current reports, plus proxy statements, insider forms and ownership schedules. Its latest annual report, a 10-K, was filed on Feb 24, 2026 for the fiscal year ended Dec 31, 2025. The most recent 8-K, on Sep 18, 2026, covered directors or officers; compensation; other events. Over the last 13 months insiders sold $23.2M in 11 sales and bought $996K in 2 purchases; 44 other transactions (awards, exercises, tax withholding, gifts and plan purchases). Not investment advice.
Every row is a filing EDGAR lists for the registrants that have been American Tower Corporation (REIT), read from the SEC’s submissions index each morning; a filing accepted after that read appears the next day. Where a company changed its filing entity (a holding-company reorganisation, Google into Alphabet) the predecessor’s filings are shown for the years it filed as the company, derived from the filings themselves. Dates are the filing date; the period is the report’s own. The latest 3 years of reports are listed in full, the next years to 10 without their 8-Ks, and older years are counted; the other forms are counted too, with the newest 25 of each of the latest 3 years shown. Insider transactions are the Form 4 and Form 5 documents themselves, filed since January 2026, every number as the insider filed it: a day’s lots are summed, a blank price adds its shares and no dollars, and a purchase through an employee stock plan is a plan purchase, not insider buying. The documents stay on sec.gov, public domain, and every link opens the SEC’s copy. ChartRow does not summarise or interpret filings.
FAQ#
- Where can I read AMT's latest 10-K?
- AMT's latest annual report, a 10-K, was filed on Feb 24, 2026 for the fiscal year ended Dec 31, 2025. It is linked above and opens on EDGAR, the SEC's own site, where every exhibit is also listed.
- When did AMT last file an 8-K?
- On Sep 18, 2026: directors or officers; compensation; other events. An 8-K reports a material event between quarterly reports; the one that furnishes the quarter's results is filed under Item 2.02, last on Jul 28, 2026.
- Are AMT insiders buying or selling?
- Over the last 13 months insiders sold $23.2M in 11 sales and bought $996K in 2 purchases; 44 other transactions (awards, exercises, tax withholding, gifts and plan purchases). The most recent sale: Meyer Robert Joseph (SVP & Advisor to the CFO) sold 5,000 shares on Jul 29, 2026 for $894K. Every figure is as the insider filed it on Form 4; a sale under a 10b5-1 plan was scheduled in advance.
- How many SEC filings has AMT made?
- 2,582 filings are on EDGAR under the registrant records that have been American Tower Corporation (REIT), going back to 1998; 1,220 of them are insider ownership forms (Forms 3, 4, 5 and 144).