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AMTAmerican Tower

Real estate · REIT · NYSE
AMT quote by TradingView
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Filings with the SEC since May 2, 2017

1,010 filings, 11 in the last 30 days

SEC filing index
Latest annual reportOpen ↗
Feb 24, 2026
10-K, period to Dec 31, 2025
Latest quarterly reportOpen ↗
Oct 27, 2026
10-Q, period to Sep 30, 2026
Latest current reportOpen ↗
Nov 9, 2026
8-K: Other events
Filed in the last 30 days
11
of 1,010 in all
Timeline

Every filing on one line

1 yr2 yr3 yr
Annual report (10-K)Quarterly report (10-Q)Current report (8-K)Auditor changeCEO, CFO, COO or CAO changeRestatementLate filing noticeInsider purchaseCluster buy (3+ insiders)SEC comment letterShare offering (S-3, 424B)
All 58 events

From the SEC filing index. Insider purchases go back 180 days (the Form 4s downloaded).

Every filing

Newest first, by kind

Each form links to sec.gov
All 1010 Annual & quarterly 38Current reports (8-K) 235Insiders 551Proxy & votes 20Big owners (13D/13G) 24Shares & debt offered 100SEC letters 7Other 35
FiledFormWhat it isPeriod
Nov 10, 2026424B2 Prospectus (notes) all files
Nov 9, 2026FWP Offering terms all files
Nov 9, 2026424B5 Prospectus all files
Nov 9, 20268-K Other eventsNov 9, 2026 all files
Nov 3, 20264 Insider tradeOct 30, 2026 all files
Oct 30, 2026144 Notice of planned insider sale all files
Oct 30, 20264 Insider tradeOct 28, 2026 all files
Oct 28, 2026144 Notice of planned insider sale all files
Oct 27, 202610-Q Quarterly reportSep 30, 2026 all files · tables
Oct 27, 20268-K Quarterly resultsOct 27, 2026 all files
Oct 22, 20264 Insider tradeApr 28, 2023 all files
Oct 5, 20264 Insider tradeOct 1, 2026 all files
Sep 23, 20263 New insiderSep 17, 2026 all files
Sep 18, 20268-K Director or officer change, Other eventsSep 17, 2026 all files
Sep 14, 20268-K Material agreement signed, New debt or obligationSep 14, 2026 all files
Sep 10, 2026424B2 Prospectus (notes) all files
Sep 9, 2026FWP Offering terms all files
Sep 9, 2026424B5 Prospectus all files
Sep 9, 20268-K Other eventsSep 9, 2026 all files
Aug 25, 20264 Insider tradeAug 21, 2026 all files
Jul 31, 20264 Insider tradeJul 29, 2026 all files
Jul 30, 20264 Insider tradeJul 28, 2026 all files
Jul 29, 2026144 Notice of planned insider sale all files
Jul 28, 2026144 Notice of planned insider sale all files
Jul 28, 202610-Q Quarterly reportJun 30, 2026 all files · tables
Jul 28, 20268-K Quarterly resultsJul 28, 2026 all files
Jun 8, 2026CERT all files
Jun 4, 20268-K Other eventsJun 2, 2026 all files
Jun 3, 20264 Insider tradeJun 1, 2026 all files
Jun 2, 20268-K Other eventsJun 2, 2026 all files
Jun 1, 20264 Insider tradeMay 28, 2026 all files
May 27, 20268-K Material agreement signed, New debt or obligationMay 27, 2026 all files
May 27, 20268-A12B all files
May 26, 2026S-8 Shares registered for employee plans all files
May 22, 202625-NSE all files
May 21, 20268-K Director or officer change, Shareholder vote results, Other eventsMay 20, 2026 all files
May 20, 2026424B2 Prospectus (notes) all files
May 20, 20264 Insider tradeMay 20, 2026 all files
May 19, 2026FWP Offering terms all files
May 19, 2026424B5 Prospectus all files
May 19, 20268-K Other eventsMay 19, 2026 all files
May 7, 20268-K Material agreement signed, New debt or obligationMay 7, 2026 all files
Apr 30, 20264 Insider tradeApr 28, 2026 all files
Apr 30, 20263 New insiderApr 27, 2026 all files
Apr 29, 2026SCHEDULE 13G 5%+ owner (passive) all files
Apr 28, 2026SCHEDULE 13G 5%+ owner (passive) all files
Apr 28, 2026DEFA14A Extra proxy material all files
Apr 28, 202610-Q Quarterly reportMar 31, 2026 all files · tables
Apr 28, 20268-K Quarterly resultsApr 28, 2026 all files
Apr 8, 2026ARS Annual report to shareholdersDec 31, 2025 all files
Apr 8, 2026DEFA14A Extra proxy material all files
Apr 8, 2026DEF 14A Proxy statementMay 20, 2026 all files
Mar 26, 2026SCHEDULE 13G/A 5%+ owner (passive), amended all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 12, 20264 Insider tradeMar 10, 2026 all files
Mar 10, 20268-K Director or officer changeMar 6, 2026 all files
Mar 6, 20264 Insider tradeMar 4, 2026 all files
Mar 6, 20264 Insider tradeMar 4, 2026 all files
Mar 5, 20268-K Other eventsMar 5, 2026 all files
Mar 4, 20264 Insider tradeMar 2, 2026 all files
Mar 4, 2026144 Notice of planned insider sale all files
Mar 3, 20264 Insider tradeFeb 27, 2026 all files
Mar 3, 20264 Insider tradeFeb 27, 2026 all files
Mar 2, 2026144 Notice of planned insider sale all files
Feb 27, 20264 Insider tradeFeb 25, 2026 all files
Feb 27, 2026144 Notice of planned insider sale all files
Feb 27, 2026144 Notice of planned insider sale all files
Feb 27, 20264 Insider tradeFeb 25, 2026 all files
Feb 27, 20264 Insider tradeFeb 25, 2026 all files
Feb 27, 20268-K Director or officer changeFeb 25, 2026 all files
Feb 25, 2026144 Notice of planned insider sale all files
Feb 24, 202610-K Annual reportDec 31, 2025 all files · tables
Feb 24, 20268-K Quarterly resultsFeb 24, 2026 all files
Feb 19, 20264 Insider tradeFeb 17, 2026 all files
Feb 17, 2026144 Notice of planned insider sale all files
Jan 29, 20268-K Director or officer changeJan 26, 2026 all files
Jan 28, 20268-K Other eventsJan 28, 2026 all files
Jan 6, 20264 Insider tradeJan 2, 2026 all files
Jan 6, 20264 Insider tradeJan 3, 2026 all files
Dec 11, 2025SCHEDULE 13D/A 5%+ owner (active), amended all files
Dec 11, 20254 Insider tradeDec 9, 2025 all files
Dec 9, 2025144 Notice of planned insider sale all files
Dec 5, 20258-K Material agreement signed, New debt or obligationDec 5, 2025 all files
Dec 4, 20258-K Other eventsDec 4, 2025 all files
Show the other 75 filings on this page

Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results"; read them on Earnings releases.

Next Earnings releases →