{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-005717","form_type":"8-K","ticker":"LNZA","cik":"0001843724","company_name":"LanzaTech Global, Inc.","filed_at":"2026-02-05T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.504022+00:00","generated_at":"2026-05-16T04:32:31.846582+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Director Jill Frizzley resigns from LanzaTech board effective Jan 31, 2026","bullets":["Jill Frizzley, appointed March 2025, voluntarily resigned as independent director effective January 31, 2026.","Resignation not due to any disagreement with the company on operations, policies, or practices.","Her Class III term was set to expire at the 2026 Annual Meeting; no replacement announced.","Frizzley served less than one year on the board."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-005717","json":"https://secwatch.observer/filing/0001628280-26-005717.json","markdown":"https://secwatch.observer/filing/0001628280-26-005717.md","text":"https://secwatch.observer/filing/0001628280-26-005717.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1843724/000162828026005717/0001628280-26-005717-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1843724/000162828026005717/amci-20260131.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T04:32:31.846582+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"}