{
  "name": "American Tower Corp",
  "legal_name": "AMERICAN TOWER CORP /MA/",
  "ticker": "AMT",
  "tickers": [
    "AMT"
  ],
  "cik": "0001053507",
  "page_url": "https://steadybase.io/company/american-tower-corp/",
  "markdown_url": "https://steadybase.io/company/american-tower-corp.md",
  "json_url": "https://steadybase.io/company/american-tower-corp.json",
  "as_of": "2026-11-10",
  "last_filed": "2026-10-27",
  "industry": {
    "sic": "6798",
    "description": "Real Estate Investment Trusts"
  },
  "headquarters": {
    "city": "Boston",
    "state": "MA",
    "country": "US"
  },
  "exchanges": [
    "NYSE"
  ],
  "fiscal_year_end": "December 31",
  "filer_category": "Large accelerated filer",
  "state_of_incorporation": "DE",
  "website": "americantower.com",
  "investor_relations_url": "https://www.americantower.com/investor-relations",
  "linkedin_company_url": "https://www.linkedin.com/company/american-tower",
  "summary": {
    "text": "We are one of the largest global real estate investment trusts and a leading independent owner, operator and developer of multitenant communications real estate. Our primary business is the leasing of space on communications sites to wireless service providers, radio and television broadcast companies, wireless data providers, government agencies and municipalities and tenants in a number of other industries.",
    "section": "Item 1. Business",
    "period_end": "2025-12-31",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000035/amt-20251231.htm"
  },
  "key_facts": [
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      "key": "revenue",
      "label": "Revenue",
      "value": 10644600000,
      "unit": "USD",
      "period_start": "2025-01-01",
      "period_end": "2025-12-31",
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      "filed": "2026-02-24",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000035/0001053507-26-000035-index.html",
      "text": "Revenue: $10.6B for the fiscal year ended Dec 31, 2025 (10-K filed Feb 24, 2026)."
    },
    {
      "key": "operating_income",
      "label": "Operating income",
      "value": 4845800000,
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      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000035/0001053507-26-000035-index.html",
      "text": "Operating income: $4.8B for the fiscal year ended Dec 31, 2025 (10-K filed Feb 24, 2026)."
    },
    {
      "key": "net_income",
      "label": "Net income",
      "value": 2628500000,
      "unit": "USD",
      "period_start": "2025-01-01",
      "period_end": "2025-12-31",
      "basis": "filing_fact",
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      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000035/0001053507-26-000035-index.html",
      "text": "Net income: $2.6B for the fiscal year ended Dec 31, 2025 (10-K filed Feb 24, 2026)."
    },
    {
      "key": "sga",
      "label": "SG&A",
      "value": 940700000,
      "unit": "USD",
      "period_start": "2025-01-01",
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      "basis": "filing_fact",
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      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000035/0001053507-26-000035-index.html",
      "text": "SG&A: $940.7M for the fiscal year ended Dec 31, 2025 (10-K filed Feb 24, 2026)."
    },
    {
      "key": "employees",
      "label": "Employees",
      "value": 4866,
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      "period_end": "2025-12-31",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000035/amt-20251231.htm",
      "text": "Employees: 4,866 as of Dec 31, 2025, as reported in an SEC filing."
    },
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      "period_end": "2026-10-20",
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      "text": "Shares outstanding: 463,763,555 as of Oct 20, 2026 (10-Q filed Oct 27, 2026)."
    },
    {
      "key": "auditor",
      "label": "Auditor",
      "value": "Deloitte & Touche LLP",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000035/amt-20251231.htm",
      "text": "Auditor: Deloitte & Touche LLP, Boston, Massachusetts, named in the latest 10-K."
    }
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          "label": "Financial statements and exhibits",
          "signal": "exhibits"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000119312526390605/d156192d8k.htm"
    },
    {
      "filed": "2026-09-09",
      "items": [
        {
          "item": "8.01",
          "label": "Other events",
          "signal": "other"
        },
        {
          "item": "9.01",
          "label": "Financial statements and exhibits",
          "signal": "exhibits"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000141/amt-20260909.htm"
    },
    {
      "filed": "2026-07-28",
      "items": [
        {
          "item": "2.02",
          "label": "Results of operations and financial condition (earnings release)",
          "signal": "earnings"
        },
        {
          "item": "9.01",
          "label": "Financial statements and exhibits",
          "signal": "exhibits"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000131/amt-20260728.htm"
    },
    {
      "filed": "2026-06-04",
      "items": [
        {
          "item": "8.01",
          "label": "Other events",
          "signal": "other"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000127/amt-20260602.htm"
    },
    {
      "filed": "2026-06-02",
      "items": [
        {
          "item": "8.01",
          "label": "Other events",
          "signal": "other"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000123/amt-20260602.htm"
    },
    {
      "filed": "2026-05-27",
      "items": [
        {
          "item": "1.01",
          "label": "Entry into a material definitive agreement",
          "signal": "deal"
        },
        {
          "item": "2.03",
          "label": "Creation of a direct financial obligation",
          "signal": "financing"
        },
        {
          "item": "9.01",
          "label": "Financial statements and exhibits",
          "signal": "exhibits"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000119312526240535/d913919d8k.htm"
    },
    {
      "filed": "2026-05-21",
      "items": [
        {
          "item": "5.02",
          "label": "Departure or appointment of directors or officers; compensation",
          "signal": "leadership_change"
        },
        {
          "item": "5.07",
          "label": "Submission of matters to a vote of security holders",
          "signal": "governance"
        },
        {
          "item": "8.01",
          "label": "Other events",
          "signal": "other"
        },
        {
          "item": "9.01",
          "label": "Financial statements and exhibits",
          "signal": "exhibits"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000116/amt-20260520.htm"
    },
    {
      "filed": "2026-05-19",
      "items": [
        {
          "item": "8.01",
          "label": "Other events",
          "signal": "other"
        },
        {
          "item": "9.01",
          "label": "Financial statements and exhibits",
          "signal": "exhibits"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000111/amt-20260519.htm"
    }
  ],
  "insider_trades": [
    {
      "owner": "Juan Font",
      "role": "SVP, Pres. & CEO, CoreSite",
      "action": "sold",
      "code": "S",
      "shares": 592,
      "value_usd": 112261,
      "date": "2026-10-30",
      "filed": "2026-11-03",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000161/0001053507-26-000161-index.htm"
    },
    {
      "owner": "Ruth T. Dowling",
      "role": "EVP, Chief Admin Ofr, GC & Sec",
      "action": "sold",
      "code": "S",
      "shares": 1578,
      "value_usd": 290823,
      "date": "2026-10-29",
      "filed": "2026-10-30",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000159/0001053507-26-000159-index.htm"
    },
    {
      "owner": "Teresa Hillary Clarke",
      "role": "Director",
      "action": "bought",
      "code": "P",
      "shares": 259.404,
      "value_usd": 48242,
      "date": "2026-10-20",
      "filed": "2026-10-22",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000151/0001053507-26-000151-index.htm"
    },
    {
      "owner": "Rajesh Kalathur",
      "role": "Director",
      "action": "bought",
      "code": "P",
      "shares": 2829,
      "value_usd": 500733,
      "date": "2026-08-21",
      "filed": "2026-08-25",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000139/0001053507-26-000139-index.htm"
    },
    {
      "owner": "Robert Joseph Meyer",
      "role": "SVP & Advisor to the CFO",
      "action": "sold",
      "code": "S",
      "shares": 5000,
      "value_usd": 894450,
      "date": "2026-07-29",
      "filed": "2026-07-31",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000137/0001053507-26-000137-index.htm"
    },
    {
      "owner": "Ruth T. Dowling",
      "role": "EVP, Chief Admin Ofr, GC & Sec",
      "action": "sold",
      "code": "S",
      "shares": 1791,
      "value_usd": 309641,
      "date": "2026-07-29",
      "filed": "2026-07-30",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000135/0001053507-26-000135-index.htm"
    },
    {
      "owner": "Ruth T. Dowling",
      "role": "EVP, Chief Admin Ofr, GC & Sec",
      "action": "sold",
      "code": "S",
      "shares": 972,
      "value_usd": 173092,
      "date": "2026-04-29",
      "filed": "2026-04-30",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000105/0001053507-26-000105-index.htm"
    },
    {
      "owner": "Rajesh Kalathur",
      "role": "Director",
      "action": "bought",
      "code": "P",
      "shares": 2671,
      "value_usd": 494936,
      "date": "2026-03-10",
      "filed": "2026-03-12",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000064/0001053507-26-000064-index.htm"
    },
    {
      "owner": "Steven O. Vondran",
      "role": "President and CEO",
      "action": "sold",
      "code": "S",
      "shares": 33482,
      "value_usd": 6309967,
      "date": "2026-03-04",
      "filed": "2026-03-06",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000045/0001053507-26-000045-index.htm"
    },
    {
      "owner": "Ruth T. Dowling",
      "role": "EVP, Chief Admin Ofr, GC & Sec",
      "action": "sold",
      "code": "S",
      "shares": 682,
      "value_usd": 128564,
      "date": "2026-03-04",
      "filed": "2026-03-06",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000043/0001053507-26-000043-index.htm"
    },
    {
      "owner": "Eugene M. Noel",
      "role": "EVP & Chief Operating Officer",
      "action": "sold",
      "code": "S",
      "shares": 41209,
      "value_usd": 7872920,
      "date": "2026-03-02",
      "filed": "2026-03-04",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000200007026000002/0002000070-26-000002-index.htm"
    },
    {
      "owner": "Ruth T. Dowling",
      "role": "EVP, Chief Admin Ofr, GC & Sec",
      "action": "sold",
      "code": "S",
      "shares": 656,
      "value_usd": 122121,
      "date": "2026-02-27",
      "filed": "2026-03-03",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000196078526000004/0001960785-26-000004-index.htm"
    },
    {
      "owner": "Robert Joseph Meyer",
      "role": "SVP & Chief Accounting Officer",
      "action": "sold",
      "code": "S",
      "shares": 4454,
      "value_usd": 831695,
      "date": "2026-02-27",
      "filed": "2026-03-03",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000136388926000002/0001363889-26-000002-index.htm"
    },
    {
      "owner": "Rodney M. Smith",
      "role": "EVP, CFO & Treasurer",
      "action": "sold",
      "code": "S",
      "shares": 34341,
      "value_usd": 6596528,
      "date": "2026-02-17",
      "filed": "2026-02-19",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000180754126000002/0001807541-26-000002-index.htm"
    },
    {
      "owner": "Eugene F. Reilly",
      "role": "Director",
      "action": "bought",
      "code": "P",
      "shares": 5554,
      "value_usd": 994110,
      "date": "2025-10-31",
      "filed": "2025-11-04",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350725000151/0001053507-25-000151-index.htm"
    }
  ],
  "quotes": [],
  "latest_filings": [
    {
      "form": "8-K",
      "filed": "2026-10-27",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000154/amt-20261027.htm"
    },
    {
      "form": "10-K",
      "filed": "2026-02-24",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000035/amt-20251231.htm"
    },
    {
      "form": "10-Q",
      "filed": "2026-10-27",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000157/amt-20260930.htm"
    },
    {
      "form": "DEF 14A",
      "filed": "2026-04-08",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1053507/000105350726000088/amt-20260406.htm"
    }
  ],
  "source": "SEC EDGAR filings, read by Steadybase. Every value links to the filing it came from."
}