{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-028932","form_type":"8-K","ticker":"LNZA","cik":"0001843724","company_name":"LanzaTech Global, Inc.","filed_at":"2025-06-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.100580+00:00","generated_at":"2026-05-20T01:53:06.258141+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"LanzaTech amends $40M preferred stock deal; extends deadlines for warrant issuance","bullets":["Amends May 2025 $40M Series A preferred stock purchase; extends deadline for warrants to buy 780M common shares at $0.0000001 per share.","Stockholder meeting deadline extended to 75 days after closing; subsequent financing deadline extended to 45 days after approvals.","Waiver granted for registration statement filing; new deadline is earlier of 45 days after stockholder approvals or 10 business days after warrant issuance.","Failure to obtain BGTF Aggregator LP consent by June 6 triggers mandatory redemption of preferred shares."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-028932","json":"https://secwatch.observer/filing/0001628280-25-028932.json","markdown":"https://secwatch.observer/filing/0001628280-25-028932.md","text":"https://secwatch.observer/filing/0001628280-25-028932.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1843724/000162828025028932/0001628280-25-028932-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1843724/000162828025028932/amci-20250531.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T01:53:06.258141+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"}