{"schema_version":"secwatch.filing_event.v1","accession":"0001053507-25-000153","form_type":"8-K","ticker":"AMT","cik":"0001053507","company_name":"AMERICAN TOWER CORP /MA/","filed_at":"2025-11-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.673117+00:00","generated_at":"2026-05-16T22:54:09.274721+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"American Tower CAO Robert J. Meyer to retire; successor search underway","bullets":["Robert J. Meyer intends to retire as SVP and Chief Accounting Officer.","Meyer will remain until successor is appointed, then assist transition; retirement by end of 2026.","Company has initiated a search process for a new Chief Accounting Officer."],"urls":{"canonical":"https://secwatch.observer/filing/0001053507-25-000153","json":"https://secwatch.observer/filing/0001053507-25-000153.json","markdown":"https://secwatch.observer/filing/0001053507-25-000153.md","text":"https://secwatch.observer/filing/0001053507-25-000153.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1053507/000105350725000153/0001053507-25-000153-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1053507/000105350725000153/amt-20251105.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T22:54:09.274721+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}