{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-040447","form_type":"8-K","ticker":"LNZA","cik":"0001843724","company_name":"LanzaTech Global, Inc.","filed_at":"2025-08-15T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.314236+00:00","generated_at":"2026-05-17T12:30:48.408351+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"LanzaTech announces 1-for-100 reverse stock split to regain Nasdaq compliance; president Cuellar resigns","bullets":["Reverse stock split effective Aug 18, 2025; every 100 shares become 1 to meet Nasdaq minimum bid price.","Authorized shares increased from 600M to 2.58B pre-split, then drop to 25.8M post-split; par value reduced.","President Aura Cuellar steps down; effective date TBD; departure not due to disagreement.","Fractional shares rounded up; proportionate adjustments to warrants and equity awards."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-040447","json":"https://secwatch.observer/filing/0001628280-25-040447.json","markdown":"https://secwatch.observer/filing/0001628280-25-040447.md","text":"https://secwatch.observer/filing/0001628280-25-040447.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1843724/000162828025040447/0001628280-25-040447-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1843724/000162828025040447/amci-20250813.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T12:30:48.408351+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"}