{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-24-051399","form_type":"8-K","ticker":"LNZA","cik":"0001843724","company_name":"LanzaTech Global, Inc.","filed_at":"2024-12-16T23:59:59+00:00","discovered_at":"2026-05-14T18:03:09.994097+00:00","generated_at":"2026-05-29T03:06:03.861918+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"LanzaTech appoints Sushmita Koyanagi as Chief Accounting Officer, effective Dec 16, 2024","bullets":["Sushmita Koyanagi named CAO; she previously held senior roles at Equity LifeStyle Properties, JP Morgan, and Deloitte.","George Dimitrov promoted to SVP, Finance and Business Operations for LanzaTech Nutritional Protein (LNP).","Both report to CFO Geoff Trukenbrod; Koyanagi replaces Dimitrov's prior VP of Finance role.","LNP targets $1 trillion alternative protein market using proprietary gas fermentation process."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-24-051399","json":"https://secwatch.observer/filing/0001628280-24-051399.json","markdown":"https://secwatch.observer/filing/0001628280-24-051399.md","text":"https://secwatch.observer/filing/0001628280-24-051399.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1843724/000162828024051399/0001628280-24-051399-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1843724/000162828024051399/amci-20241216.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T03:06:03.861918+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}