{"filing":{"accession_number":"0001999480-26-000024","cik":"0001999480","ticker":"ANRO","company_name":"Alto Neuroscience, Inc.","form":"8-K","filing_date":"2026-08-27","report_date":"2026-08-26","primary_document":"alto-20260826.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1999480/000199948026000024/alto-20260826.htm"},"events":[{"id":30117,"run_id":27601,"accession_number":"0001999480-26-000024","anchor_item_number":"5.02","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"summary":"Nicholas C. Smith was promoted to President and Chief Financial Officer, a material executive appointment that expands his role and responsibilities. While the disclosure also includes compensatory arrangements (a $6 million retention payment), the principal disclosed action is Smith's appointment to the President position, making exec_appointment the most salient classification. The promotion of an existing CFO to also serve as President is a material governance event affecting the company's leadership structure.","company_name":"Alto Neuroscience, Inc.","ticker":"ANRO","filing_date":"2026-08-27","form":"8-K","submitted_at":null,"items":[{"id":32624,"accession_number":"0001999480-26-000024","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_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"Nicholas C. Smith was promoted to President and Chief Financial Officer, a material executive appointment that expands his role and responsibilities. While the disclosure also includes compensatory arrangements (a $6 million retention payment), the principal disclosed action is Smith's appointment to the President position, making exec_appointment the most salient classification. The promotion of an existing CFO to also serve as President is a material governance event affecting the company's leadership structure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-27T21:19:36.616064+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":32624,"accession_number":"0001999480-26-000024","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_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"Nicholas C. Smith was promoted to President and Chief Financial Officer, a material executive appointment that expands his role and responsibilities. While the disclosure also includes compensatory arrangements (a $6 million retention payment), the principal disclosed action is Smith's appointment to the President position, making exec_appointment the most salient classification. The promotion of an existing CFO to also serve as President is a material governance event affecting the company's leadership structure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-27T21:19:36.616064+00:00","company_name":"Alto Neuroscience, Inc.","ticker":"ANRO","filing_date":"2026-08-27"}]}