{"cik":1053507,"company":{"entity_status":"ACTIVE","filings":[{"accession":"0001053507-26-000139","document":"xslF345X06/wk-form4_1787689396.xml","filed":"2026-08-25","form":"4","items":"","report_date":"2026-08-21"},{"accession":"0001053507-26-000137","document":"xslF345X06/wk-form4_1785528506.xml","filed":"2026-07-31","form":"4","items":"","report_date":"2026-07-29"},{"accession":"0001053507-26-000135","document":"xslF345X06/wk-form4_1785442264.xml","filed":"2026-07-30","form":"4","items":"","report_date":"2026-07-28"},{"accession":"0001053507-26-000133","document":"amt-20260630.htm","filed":"2026-07-28","form":"10-Q","items":"","report_date":"2026-06-30"},{"accession":"0001053507-26-000131","document":"amt-20260728.htm","filed":"2026-07-28","form":"8-K","items":"2.02,9.01","report_date":"2026-07-28"},{"accession":"0001053507-26-000127","document":"amt-20260602.htm","filed":"2026-06-04","form":"8-K","items":"8.01","report_date":"2026-06-02"},{"accession":"0001053507-26-000125","document":"xslF345X06/wk-form4_1780517871.xml","filed":"2026-06-03","form":"4","items":"","report_date":"2026-06-01"},{"accession":"0001053507-26-000123","document":"amt-20260602.htm","filed":"2026-06-02","form":"8-K","items":"8.01","report_date":"2026-06-02"},{"accession":"0001053507-26-000121","document":"xslF345X06/wk-form4_1780345711.xml","filed":"2026-06-01","form":"4","items":"","report_date":"2026-05-28"},{"accession":"0001193125-26-240535","document":"d913919d8k.htm","filed":"2026-05-27","form":"8-K","items":"1.01,2.03,9.01","report_date":"2026-05-27"},{"accession":"0001053507-26-000116","document":"amt-20260520.htm","filed":"2026-05-21","form":"8-K","items":"5.02,5.07,8.01,9.01","report_date":"2026-05-20"},{"accession":"0001053507-26-000113","document":"xslF345X06/wk-form4_1779307770.xml","filed":"2026-05-20","form":"4","items":"","report_date":"2026-05-20"},{"accession":"0001053507-26-000111","document":"amt-20260519.htm","filed":"2026-05-19","form":"8-K","items":"8.01,9.01","report_date":"2026-05-19"},{"accession":"0001053507-26-000108","document":"amt-20260507.htm","filed":"2026-05-07","form":"8-K","items":"1.01,2.03","report_date":"2026-05-07"},{"accession":"0001053507-26-000105","document":"xslF345X06/wk-form4_1777580207.xml","filed":"2026-04-30","form":"4","items":"","report_date":"2026-04-28"},{"accession":"0001053507-26-000099","document":"amt-20260331.htm","filed":"2026-04-28","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0001053507-26-000094","document":"amt-20260428.htm","filed":"2026-04-28","form":"8-K","items":"2.02,9.01","report_date":"2026-04-28"},{"accession":"0001053507-26-000088","document":"amt-20260406.htm","filed":"2026-04-08","form":"DEF 14A","items":"","report_date":"2026-05-20"},{"accession":"0001053507-26-000082","document":"xslF345X05/wk-form4_1773348258.xml","filed":"2026-03-12","form":"4","items":"","report_date":"2026-03-10"},{"accession":"0001053507-26-000048","document":"amt-20260306.htm","filed":"2026-03-10","form":"8-K","items":"5.02","report_date":"2026-03-06"},{"accession":"0001053507-26-000041","document":"amt-20260305.htm","filed":"2026-03-05","form":"8-K","items":"8.01,9.01","report_date":"2026-03-05"},{"accession":"0001053507-26-000038","document":"amt-20260225.htm","filed":"2026-02-27","form":"8-K","items":"5.02","report_date":"2026-02-25"},{"accession":"0001053507-26-000035","document":"amt-20251231.htm","filed":"2026-02-24","form":"10-K","items":"","report_date":"2025-12-31"},{"accession":"0001053507-26-000032","document":"amt-20260224.htm","filed":"2026-02-24","form":"8-K","items":"2.02,9.01","report_date":"2026-02-24"},{"accession":"0001053507-26-000028","document":"amt-20260126.htm","filed":"2026-01-29","form":"8-K","items":"5.02","report_date":"2026-01-26"},{"accession":"0001053507-26-000026","document":"amt-20260128.htm","filed":"2026-01-28","form":"8-K","items":"8.01","report_date":"2026-01-28"},{"accession":"0001193125-25-309718","document":"d20014d8k.htm","filed":"2025-12-05","form":"8-K","items":"1.01,2.03,9.01","report_date":"2025-12-05"},{"accession":"0001053507-25-000157","document":"amt-20251204.htm","filed":"2025-12-04","form":"8-K","items":"8.01,9.01","report_date":"2025-12-04"},{"accession":"0001053507-25-000155","document":"amt-20251202.htm","filed":"2025-12-02","form":"8-K","items":"8.01,9.01","report_date":"2025-12-02"},{"accession":"0001053507-25-000153","document":"amt-20251105.htm","filed":"2025-11-07","form":"8-K","items":"5.02","report_date":"2025-11-05"},{"accession":"0001053507-25-000149","document":"amt-20250930.htm","filed":"2025-10-28","form":"10-Q","items":"","report_date":"2025-09-30"},{"accession":"0001053507-25-000147","document":"amt-20251028.htm","filed":"2025-10-28","form":"8-K","items":"2.02,9.01","report_date":"2025-10-28"},{"accession":"0001053507-25-000143","document":"amt-20250923.htm","filed":"2025-09-24","form":"8-K","items":"7.01","report_date":"2025-09-23"},{"accession":"0001053507-25-000139","document":"amt-20250916.htm","filed":"2025-09-18","form":"8-K","items":"5.02,8.01,9.01","report_date":"2025-09-16"},{"accession":"0001193125-25-205004","document":"d875782d8k.htm","filed":"2025-09-16","form":"8-K","items":"1.01,2.03,9.01","report_date":"2025-09-16"},{"accession":"0001053507-25-000132","document":"amt-20250911.htm","filed":"2025-09-11","form":"8-K","items":"8.01,9.01","report_date":"2025-09-11"},{"accession":"0001053507-25-000129","document":"amt-20250903.htm","filed":"2025-09-05","form":"8-K","items":"7.01","report_date":"2025-09-03"},{"accession":"0001053507-25-000124","document":"amt-20250822.htm","filed":"2025-08-25","form":"8-K","items":"5.02,9.01","report_date":"2025-08-22"},{"accession":"0001053507-25-000120","document":"amt-20250630.htm","filed":"2025-07-29","form":"10-Q","items":"","report_date":"2025-06-30"},{"accession":"0001053507-25-000117","document":"amt-20250729.htm","filed":"2025-07-29","form":"8-K","items":"2.02,9.01","report_date":"2025-07-29"}],"former_names":[{"from":"1998-02-13T05:00:00.000Z","name":"AMERICAN TOWER SYSTEMS CORP","to":"1998-05-08T04:00:00.000Z"}],"gleif_parents":[],"headquarters":[{"latitude":42.360277777777775,"longitude":-71.05777777777777,"name":"Boston","precision":"headquarters locality","source":"wikidata","url":"https://www.wikidata.org/wiki/Q100"}],"insiders":[{"accession":"0001053507-26-000125","acquired_disposed":"D","code":"F","date":"2026-06-01","derivative":false,"filed":"2026-06-03","following_shares":"26286.0","form":"4","owners":["Meyer Robert Joseph"],"plan_10b5_1":false,"price":"187.53","security":"Common Stock","shares":"153.0"},{"accession":"0001053507-26-000121","acquired_disposed":"D","code":"G","date":"2026-05-28","derivative":false,"filed":"2026-06-01","following_shares":"21089.0","form":"4","owners":["REEVE PAMELA D A"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"810.0"},{"accession":"0001053507-26-000105","acquired_disposed":"D","code":"S","date":"2026-04-29","derivative":false,"filed":"2026-04-30","following_shares":"29461.0","form":"4","owners":["Dowling Ruth T"],"plan_10b5_1":true,"price":"177.54","security":"Common Stock","shares":"416.0"},{"accession":"0001053507-26-000105","acquired_disposed":"D","code":"S","date":"2026-04-28","derivative":false,"filed":"2026-04-30","following_shares":"29877.0","form":"4","owners":["Dowling Ruth T"],"plan_10b5_1":true,"price":"178.48","security":"Common Stock","shares":"556.0"}],"legal_name":"AMERICAN TOWER CORPORATION","lei":"5493006ORUSIL88JOE18","lei_status":"ISSUED","lei_updated_at":"2026-07-30T20:03:52Z","names":[{"entity_id":null,"kind":"alias","name":"American Tower Corporation","source":"wikidata"}],"parent_exceptions":["direct-parent: no parent LEI supplied","ultimate-parent: no parent LEI supplied"],"parents":[],"wikidata_id":"Q4745263"},"research_built_at":"2026-09-08T00:28:31.573928+00:00","sources":[{"coverage":"8005 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer","id":"sec","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC submissions","retrieved_at":"2026-09-08T00:28:36.996621+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1611 unambiguous CIK-linked entities; coverage is incomplete","id":"wikidata","license":"CC0-1.0","license_url":"https://www.wikidata.org/wiki/Wikidata:Licensing","name":"Wikidata structured data","retrieved_at":"2026-09-07T20:33:33.971872+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1177 checked identities; 0 unavailable records","id":"gleif","license":"CC0-1.0","license_url":"https://www.gleif.org/en/meta/lei-data-terms-of-use","name":"GLEIF legal entity reference data","retrieved_at":"2026-09-07T20:35:11.504394+00:00","status":"ok","url":"https://www.gleif.org/en/lei-data/gleif-api"},{"coverage":"4 selected series; gaps remain missing","id":"fed","license":"Public domain (selected government series)","license_url":"https://www.federalreserve.gov/disclaimer.htm","name":"Federal Reserve Board H.15","retrieved_at":"2026-09-08T00:28:58.131796+00:00","status":"ok","url":"https://www.federalreserve.gov/releases/h15/"},{"coverage":"9 selected series; gaps remain missing","id":"bls","license":"Public domain","license_url":"https://www.bls.gov/opub/copyright-information.htm","name":"Bureau of Labor Statistics","retrieved_at":"2026-09-08T00:28:59.313116+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q2: filings in this completed quarter; not a live transaction feed","id":"insiders","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC insider transactions","retrieved_at":"2026-09-07T20:35:31.647091+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}