{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-046756","form_type":"8-K","ticker":"ALEC","cik":"0001653087","company_name":"Alector, Inc.","filed_at":"2025-03-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.319371+00:00","generated_at":"2026-05-24T03:08:13.952152+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Alector CMO Gary Romano resigns effective April 25, 2025","bullets":["Dr. Gary Romano notified resignation from CMO role on March 25, 2025.","Resignation effective April 25, 2025; he leaves to pursue other opportunities.","Romano served as CMO since May 2022; no successor announced yet."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-046756","json":"https://secwatch.observer/filing/0000950170-25-046756.json","markdown":"https://secwatch.observer/filing/0000950170-25-046756.md","text":"https://secwatch.observer/filing/0000950170-25-046756.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1653087/000095017025046756/0000950170-25-046756-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1653087/000095017025046756/alec-20250325.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T03:08:13.952152+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":"ab956afa4c","claim":"Gary Romano resigned as Chief Medical Officer at Alector, Inc..","evidence_excerpt":"On March 25, 2025, Dr. Gary Romano gave notice of his decision to resign from his position as Chief Medical Officer of Alector, Inc. (the “Company”) in order to pursue other opportunities.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1653087/000095017025046756/0000950170-25-046756-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Medical Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}