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AMT SEC Filings

SEC filings for AMT. Annual and quarterly reports, 8-K events,
Form 4 insider filings and 13D/G stake disclosures.

All10-K10-Q8-KForm 413D/GLast 12 months
FormFiledAccession
4Kalathur RajeshAug 25, 2026EDGAR
4Meyer Robert JosephSVP & Advisor to the CFOJul 31, 2026EDGAR
4Dowling Ruth TEVP, Chief Admin Ofr, GC & SecJul 30, 2026EDGAR
8-KJul 28, 2026EDGAR
10-QJul 28, 2026EDGAR
8-KJun 4, 2026EDGAR
4Meyer Robert JosephSVP & Advisor to the CFOJun 3, 2026EDGAR
8-KJun 2, 2026EDGAR
4REEVE PAMELA D AJun 1, 2026EDGAR
8-KMay 27, 2026EDGAR
8-KMay 21, 2026EDGAR
8-KMay 19, 2026EDGAR
8-KMay 7, 2026EDGAR
4Dowling Ruth TEVP, Chief Admin Ofr, GC & SecApr 30, 2026EDGAR
SC 13GVanguard Capital ManagementApr 29, 2026EDGAR
SC 13GVanguard Portfolio ManagementApr 28, 2026EDGAR
10-QApr 28, 2026EDGAR
8-KApr 28, 2026EDGAR
SC 13G/AamendedVANGUARD GROUP INCMar 26, 2026EDGAR
4Rossi Richard CEVP & President, U.S. TowerMar 12, 2026EDGAR
4Font JuanSVP, Pres. & CEO, CoreSiteMar 12, 2026EDGAR
4Smith Rodney MEVP, CFO & TreasurerMar 12, 2026EDGAR
4Meyer Robert JosephSVP & Chief Accounting OfficerMar 12, 2026EDGAR
4Dowling Ruth TEVP, Chief Admin Ofr, GC & SecMar 12, 2026EDGAR
4Noel Eugene MEVP & Chief Operating OfficerMar 12, 2026EDGAR
4Vondran Steven OPresident and CEOMar 12, 2026EDGAR
4Chambliss Kelly CMar 12, 2026EDGAR
4MACNAB CRAIGMar 12, 2026EDGAR
4Kalathur RajeshMar 12, 2026EDGAR
4HORMATS ROBERT DMar 12, 2026EDGAR
4Clarke Teresa HillaryMar 12, 2026EDGAR
4REEVE PAMELA D AMar 12, 2026EDGAR
4Ray Neville RMar 12, 2026EDGAR
4REILLY EUGENE FMar 12, 2026EDGAR
4Tanner Bruce LMar 12, 2026EDGAR
4Lieblein GraceMar 12, 2026EDGAR
4Frank Kenneth RMar 12, 2026EDGAR
8-KMar 10, 2026EDGAR
4Vondran Steven OPresident and CEOMar 6, 2026EDGAR
4Dowling Ruth TEVP, Chief Admin Ofr, GC & SecMar 6, 2026EDGAR
8-KMar 5, 2026EDGAR
4Noel Eugene MEVP & Chief Operating OfficerMar 4, 2026EDGAR
4Meyer Robert JosephSVP & Chief Accounting OfficerMar 3, 2026EDGAR
4Dowling Ruth TEVP, Chief Admin Ofr, GC & SecMar 3, 2026EDGAR
4Dowling Ruth TEVP, Chief Admin Ofr, GC & SecFeb 27, 2026EDGAR
4Smith Rodney MEVP, CFO & TreasurerFeb 27, 2026EDGAR
4Vondran Steven OPresident and CEOFeb 27, 2026EDGAR
8-KFeb 27, 2026EDGAR
10-KFeb 24, 2026EDGAR
8-KFeb 24, 2026EDGAR
4Smith Rodney MEVP, CFO & TreasurerFeb 19, 2026EDGAR
8-KJan 29, 2026EDGAR
8-KJan 28, 2026EDGAR
4Font JuanSVP, Pres. & CEO, CoreSiteJan 6, 2026EDGAR
4AMERICAN TOWER CORP /MA/Dec 11, 2025EDGAR
8-KDec 5, 2025EDGAR
8-KDec 4, 2025EDGAR
8-KDec 2, 2025EDGAR
8-KNov 7, 2025EDGAR
4REILLY EUGENE FNov 4, 2025EDGAR
8-KOct 28, 2025EDGAR
10-QOct 28, 2025EDGAR
4Dowling Ruth TEVP, Chief Admin Ofr, GC & SecOct 3, 2025EDGAR
8-KSep 24, 2025EDGAR
8-KSep 18, 2025EDGAR
8-KSep 16, 2025EDGAR
8-KSep 11, 2025EDGAR
8-KSep 5, 2025EDGAR

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Source: SEC EDGAR.