{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-143369","form_type":"8-K","ticker":"ANRO","cik":"0001999480","company_name":"Alto Neuroscience, Inc.","filed_at":"2024-05-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:21.389463+00:00","generated_at":"2026-06-01T11:33:14.414233+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Alto Neuroscience appoints Michael Hanley as Chief Operating Officer effective May 20, 2024","bullets":["Hanley receives $470,000 base salary, 40% annual performance bonus target, and option for 188,000 shares.","Option vests 25% on 1-year anniversary, then monthly over 4 years, subject to continuous service.","Severance: 9 months salary plus COBRA on non-cause termination; 12 months salary, bonus, and full equity acceleration upon change in control termination."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-143369","json":"https://secwatch.observer/filing/0001193125-24-143369.json","markdown":"https://secwatch.observer/filing/0001193125-24-143369.md","text":"https://secwatch.observer/filing/0001193125-24-143369.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1999480/000119312524143369/0001193125-24-143369-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1999480/000119312524143369/d773656d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T11:33:14.414233+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":"6a42d39327","claim":"Michael Hanley was appointed as Chief Operating Officer at Alto Neuroscience, Inc..","evidence_excerpt":"On May 21, 2024, Alto Neuroscience, Inc. (the “Company”) announced that the Board of Directors of the Company (the “Board”) appointed Michael Hanley as the Chief Operating Officer of the Company, effective as of May 20, 2024","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1999480/000119312524143369/0001193125-24-143369-index.htm","confidence":0.99,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}