{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-256682","form_type":"8-K","ticker":"AMT","cik":"0001053507","company_name":"AMERICAN TOWER CORP /MA/","filed_at":"2022-10-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:49.432548+00:00","generated_at":"2026-06-23T05:49:18.600168+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"American Tower announces GC transition: DiSanto retiring, Dowling appointed effective Jan 1, 2023","bullets":["Ed DiSanto to retire as EVP, Chief Administrative Officer, General Counsel and Secretary effective Jan 1, 2023; becomes Special Advisor to CEO.","Ruth Dowling, internal with over 10 years at American Tower, succeeds DiSanto in the same roles effective Jan 1, 2023.","DiSanto joined in 2007; Dowling previously General Counsel for Latin America, Europe and Africa regions."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-256682","json":"https://secwatch.observer/filing/0001193125-22-256682.json","markdown":"https://secwatch.observer/filing/0001193125-22-256682.md","text":"https://secwatch.observer/filing/0001193125-22-256682.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1053507/000119312522256682/0001193125-22-256682-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1053507/000119312522256682/d250588d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T05:49:18.600168+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":"3f82b7f50f","claim":"Edmund DiSanto changed role as Executive Vice President, Special Advisor and Counsel to the Chief Executive Officer at AMERICAN TOWER CORP /MA/.","evidence_excerpt":"To assist in the transition of responsibilities, Mr. DiSanto will assume the new role of Executive Vice President, Special Advisor and Counsel to the Chief Executive Officer, effective January 1, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1053507/000119312522256682/0001193125-22-256682-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"assumed"},{"label":"Role","value":"Executive Vice President, Special Advisor and Counsel to the Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"b53c1f9098","claim":"Ruth Dowling was appointed as Executive Vice President, Chief Administrative Officer, General Counsel and Secretary at AMERICAN TOWER CORP /MA/.","evidence_excerpt":"The Company’s Board of Directors has appointed Ruth Dowling as the Company’s Executive Vice President, Chief Administrative Officer, General Counsel and Secretary, effective January 1, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1053507/000119312522256682/0001193125-22-256682-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Executive Vice President, Chief Administrative Officer, General Counsel and Secretary"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}