{"filing":{"accession_number":"0001053507-26-000116","cik":"0001053507","ticker":"AMT","company_name":"AMERICAN TOWER CORP /MA/","form":"8-K","filing_date":"2026-05-21","report_date":null,"primary_document":"amt-20260520.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1053507/000105350726000116/amt-20260520.htm"},"events":[{"id":9290,"run_id":8150,"accession_number":"0001053507-26-000116","anchor_item_number":"5.07","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"summary":"American Tower held its Annual Meeting on May 20, 2026, with shareholders voting on four proposals: election of eleven directors, advisory approval of executive compensation, ratification of Deloitte \u0026 Touche LLP as auditor, and approval of the 2026 Equity Incentive Plan. The filing discloses the final vote tallies for all four proposals.","company_name":"AMERICAN TOWER CORP /MA/","ticker":"AMT","filing_date":"2026-05-21","form":"8-K","submitted_at":null,"items":[{"id":873,"accession_number":"0001053507-26-000116","item_number":"5.07","item_title":"Submission of Matters to a Vote of Security Holders.","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"This is a clear disclosure of shareholder voting results from American Tower's Annual Meeting held May 20, 2026. The filing presents final vote tallies for four proposals: (1) election of eleven directors, (2) advisory approval of executive compensation, (3) ratification of Deloitte \u0026 Touche LLP as auditor, and (4) approval of the 2026 Equity Incentive Plan. This is a textbook Item 5.07 disclosure of shareholder vote results, which is material to investors as it confirms governance outcomes and compensation/equity plan approvals.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:29:49.828858+00:00","company_name":"","ticker":null,"filing_date":""}]},{"id":9291,"run_id":8150,"accession_number":"0001053507-26-000116","anchor_item_number":"5.02","event_type":"exec_compensation","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"Stockholders approved the 2026 Equity Incentive Plan on May 20, 2026, authorizing issuance of up to 12,000,000 new shares plus additional shares from the Prior Plan for equity-based awards to employees, directors, consultants, and advisors, along with adoption of RSU and PSU award agreement forms.","company_name":"AMERICAN TOWER CORP /MA/","ticker":"AMT","filing_date":"2026-05-21","form":"8-K","submitted_at":null,"items":[{"id":872,"accession_number":"0001053507-26-000116","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_compensation","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The disclosure centers on stockholder approval of the 2026 Equity Incentive Plan on May 20, 2026, which authorizes the issuance of up to 12,000,000 new shares plus additional shares from the Prior Plan for equity-based awards to employees, directors, consultants and advisors. This is a compensatory arrangement disclosure under Item 5.02(e), distinct from executive departures or appointments. The plan's authorization of substantial equity issuance and adoption of RSU and PSU award agreement forms constitute material compensation governance changes.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:29:49.828858+00:00","company_name":"","ticker":null,"filing_date":""}]},{"id":9292,"run_id":8150,"accession_number":"0001053507-26-000116","anchor_item_number":"8.01","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.65,"summary":"The Board declared a cash distribution of $1.79 per share to shareholders, which is material to investors as it affects shareholder returns and cash flow.","company_name":"AMERICAN TOWER CORP /MA/","ticker":"AMT","filing_date":"2026-05-21","form":"8-K","submitted_at":null,"items":[{"id":874,"accession_number":"0001053507-26-000116","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.65,"reasoning":"The disclosure announces a cash distribution of $1.79 per share declared by the Board, which is material to shareholders as it affects shareholder returns and cash flow. While dividend announcements are routine for mature REITs like American Tower, the specific per-share amount and payment dates constitute material information affecting investor valuation. This does not fit neatly into the more specific event categories (it is not a restatement, impairment, litigation, or M\u0026A activity), so \"other_material\" is the appropriate classification.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:29:49.828858+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":872,"accession_number":"0001053507-26-000116","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_compensation","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The disclosure centers on stockholder approval of the 2026 Equity Incentive Plan on May 20, 2026, which authorizes the issuance of up to 12,000,000 new shares plus additional shares from the Prior Plan for equity-based awards to employees, directors, consultants and advisors. This is a compensatory arrangement disclosure under Item 5.02(e), distinct from executive departures or appointments. The plan's authorization of substantial equity issuance and adoption of RSU and PSU award agreement forms constitute material compensation governance changes.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:29:49.828858+00:00","company_name":"AMERICAN TOWER CORP /MA/","ticker":"AMT","filing_date":"2026-05-21"},{"id":873,"accession_number":"0001053507-26-000116","item_number":"5.07","item_title":"Submission of Matters to a Vote of Security Holders.","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"This is a clear disclosure of shareholder voting results from American Tower's Annual Meeting held May 20, 2026. The filing presents final vote tallies for four proposals: (1) election of eleven directors, (2) advisory approval of executive compensation, (3) ratification of Deloitte \u0026 Touche LLP as auditor, and (4) approval of the 2026 Equity Incentive Plan. This is a textbook Item 5.07 disclosure of shareholder vote results, which is material to investors as it confirms governance outcomes and compensation/equity plan approvals.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:29:49.828858+00:00","company_name":"AMERICAN TOWER CORP /MA/","ticker":"AMT","filing_date":"2026-05-21"},{"id":874,"accession_number":"0001053507-26-000116","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.65,"reasoning":"The disclosure announces a cash distribution of $1.79 per share declared by the Board, which is material to shareholders as it affects shareholder returns and cash flow. While dividend announcements are routine for mature REITs like American Tower, the specific per-share amount and payment dates constitute material information affecting investor valuation. This does not fit neatly into the more specific event categories (it is not a restatement, impairment, litigation, or M\u0026A activity), so \"other_material\" is the appropriate classification.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:29:49.828858+00:00","company_name":"AMERICAN TOWER CORP /MA/","ticker":"AMT","filing_date":"2026-05-21"}]}