{"schema_version":"secwatch.filing_event.v1","accession":"0001053507-23-000051","form_type":"8-K","ticker":"AMT","cik":"0001053507","company_name":"AMERICAN TOWER CORP /MA/","filed_at":"2023-03-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:43.681573+00:00","generated_at":"2026-06-18T04:10:50.570498+00:00","sec_items":["1.01","2.03"],"event_type":"debt","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"American Tower completes $1.3B tower revenue securitization at 5.49% rate","bullets":["Issued $1.3B Series 2023-1A Secured Tower Revenue Securities at 5.490%, and $68.5M Series 2023-1R at 5.735% (retained for risk retention).","Proceeds used to repay existing indebtedness and for general corporate purposes; loan secured by mortgages on wireless tower sites.","Securities have expected life of ~5 years with final repayment in March 2053; debt service coverage ratio triggers for cash trap and amortization.","Borrowers are joint and several; affiliates guaranteed repayment and pledged equity interests.","Transaction arranged through special-purpose trust; rating Moody's/Fitch Aaa(sf)/AAA(sf) for Class A."],"urls":{"canonical":"https://secwatch.observer/filing/0001053507-23-000051","json":"https://secwatch.observer/filing/0001053507-23-000051.json","markdown":"https://secwatch.observer/filing/0001053507-23-000051.md","text":"https://secwatch.observer/filing/0001053507-23-000051.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1053507/000105350723000051/0001053507-23-000051-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1053507/000105350723000051/amt-20230313.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-18T04:10:50.570498+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":"20365fbcf67b3c87ec80ef272319cb3f9973978d","claim":"AMERICAN TOWER CORP /MA/ incurred debt of $68.5 million aggregate principal amount at 5.735%.","evidence_excerpt":"the Trust issued, and an affiliate of the Company purchased, $68.5 million aggregate principal amount of Secured Tower Revenue Securities, Series 2023-1, Subclass R (the “Series 2023-1R Securities” and, together with the Series 2023-1A Securities, the “Securities”)","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1053507/000105350723000051/0001053507-23-000051-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Principal","value":"$68.5 million aggregate principal amount"},{"label":"Rate","value":"5.735%"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"},{"claim_id":"5e78d1ebe48eee5fc4ef318316a3831471c62a25","claim":"AMERICAN TOWER CORP /MA/ incurred senior notes of $1.3 billion aggregate principal amount at 5.490% maturing March 2053.","evidence_excerpt":"On March 13, 2023, American Tower Trust I (the “Trust”), a trust established in May 2007 by American Tower Depositor Sub, LLC (the “Depositor”), an indirectly-owned special-purpose subsidiary of the Company, issued, in a private transaction (the “Transaction”), $1.3 billion aggregate principal amount of Secured Tower Revenue Securities, Series 2023-1, Subclass A (the “Series 2023-1A Securities”).","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1053507/000105350723000051/0001053507-23-000051-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$1.3 billion aggregate principal amount"},{"label":"Rate","value":"5.490%"},{"label":"Maturity","value":"March 2053"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}