{"schema_version":"secwatch.filing_event.v1","accession":"0001053507-24-000005","form_type":"8-K","ticker":"AMT","cik":"0001053507","company_name":"AMERICAN TOWER CORP /MA/","filed_at":"2024-02-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:23.240353+00:00","generated_at":"2026-06-06T06:23:16.897416+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"American Tower appoints Steven Vondran CEO; sets 2024 compensation: $1M salary, $2M bonus target, $10M equity grant","bullets":["Steven O. Vondran appointed President and CEO effective February 1, 2024.","2024 base salary: $1,000,000; target cash bonus: 200% ($2,000,000).","Equity grant of $10 million: 70% performance-based RSUs, 30% time-vesting RSUs.","Thomas Bartlett, advisor to CEO, retains prior compensation with pro-rated 2024 bonus."],"urls":{"canonical":"https://secwatch.observer/filing/0001053507-24-000005","json":"https://secwatch.observer/filing/0001053507-24-000005.json","markdown":"https://secwatch.observer/filing/0001053507-24-000005.md","text":"https://secwatch.observer/filing/0001053507-24-000005.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1053507/000105350724000005/0001053507-24-000005-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1053507/000105350724000005/amt-20240205.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-06T06:23:16.897416+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":"205c18b216","claim":"Steven O. Vondran was appointed as President and Chief Executive Officer at AMERICAN TOWER CORP /MA/.","evidence_excerpt":"appointed Steven O. Vondran as President and Chief Executive Officer of the Company, effective February 1, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1053507/000105350724000005/0001053507-24-000005-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"President and Chief Executive Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}