secwatch.observer — SEC 8-K summary ====================================== Issuer: AMERICAN TOWER CORP /MA/ (AMT) CIK: 0001053507 Form: 8-K Filed at: 2026-03-10T23:59:59+00:00 Accession: 0001053507-26-000048 Event type: leadership Sentiment: neutral Materiality: 0.25 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Director Robert D. Hormats to not stand for re-election at 2026 Annual Meeting ------------------------------------------------------------------------------ - Robert D. Hormats notified the Company he will not stand for re-election as director at the 2026 Annual Meeting. - His decision did not involve any disagreements with the Company. - He will continue serving on the Nominating & Corporate Governance Committee until the Annual Meeting. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1053507/000105350726000048/0001053507-26-000048-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1053507/000105350726000048/amt-20260306.htm HTML page: https://secwatch.observer/filing/0001053507-26-000048 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer