{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-146124","form_type":"8-K","ticker":"AMT","cik":"0001053507","company_name":"AMERICAN TOWER CORP /MA/","filed_at":"2023-05-16T23:59:59+00:00","discovered_at":"2026-05-14T18:03:37.787320+00:00","generated_at":"2026-06-14T23:07:37.104571+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"American Tower issues EUR 1.1B in senior notes to repay revolver debt","bullets":["EUR 600M of 4.125% senior notes due 2027.","EUR 500M of 4.625% senior notes due 2031.","Net proceeds of ~EUR 1,089.5M (~$1,198.9M) after fees.","Proceeds to repay existing borrowings under $10B revolving credit facilities.","Issued under indenture with U.S. Bank Trustee and Elavon paying agent."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-146124","json":"https://secwatch.observer/filing/0001193125-23-146124.json","markdown":"https://secwatch.observer/filing/0001193125-23-146124.md","text":"https://secwatch.observer/filing/0001193125-23-146124.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1053507/000119312523146124/0001193125-23-146124-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1053507/000119312523146124/d482306d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T23:07:37.104571+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"27ada971d2ea42310a16977ffd693b2f58adb113","claim":"AMERICAN TOWER CORP /MA/ incurred senior notes of 600.0 million euros aggregate principal amount of its 4.125% senior unsecured notes due 2027 and 500.0 million EUR aggre at 4.125% per annum for the 2027 notes and 4.625% per annum for the 2031 notes maturing May 16, 2027 for the 2027 notes and May 16, 2031 for the 2031 notes.","evidence_excerpt":"On May 16, 2023, American Tower Corporation (the “Company”) completed a registered public offering of 600.0 million euros (“EUR”) aggregate principal amount of its 4.125% senior unsecured notes due 2027 (the “2027 notes”) and 500.0 million EUR aggregate principal amount of its 4.625% senior unsecured notes due 2031 (the “2031 notes” and, together with the 2027 notes, the “Notes”)","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1053507/000119312523146124/0001193125-23-146124-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"600.0 million euros aggregate principal amount of its 4.125% senior unsecured notes due 2027 and 500.0 million EUR aggre"},{"label":"Rate","value":"4.125% per annum for the 2027 notes and 4.625% per annum for the 2031 notes"},{"label":"Maturity","value":"May 16, 2027 for the 2027 notes and May 16, 2031 for the 2031 notes"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"},{"claim_id":"a824f15bc6457ddbe533d45082587140ad481b6f","claim":"AMERICAN TOWER CORP /MA/ entered into Supplemental Indenture No. 2 with U.S. Bank Trust Company, National Association and Elavon Financial Services DAC, UK Branch valued at 600.0 million EUR of 4.125% notes due 2027 and 500.0 million EUR of 4.625% notes due 2031 (effective 2023-05-16).","evidence_excerpt":"The Company issued the Notes under an indenture dated as of June 1, 2022 (the “Base Indenture”), between the Company and U.S. Bank Trust Company, National Association, as trustee (the “Trustee”), as supplemented by a supplemental indenture dated as of May 16, 2023 (the “Supplemental Indenture No. 2” and, together with the Base Indenture, the “Indenture”), among the Company, the Trustee and Elavon Financial Services DAC, UK Branch, as paying agent.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1053507/000119312523146124/0001193125-23-146124-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"notes offering"},{"label":"Counterparty","value":"U.S. Bank Trust Company, National Association and Elavon Financial Services DAC, UK Branch"},{"label":"Value","value":"600.0 million EUR of 4.125% notes due 2027 and 500.0 million EUR of 4.625% notes due 2031"},{"label":"Effective","value":"2023-05-16"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}