secwatch.observer — SEC 8-K summary ====================================== Issuer: LanzaTech Global, Inc. (LNZA) CIK: 0001843724 Form: 8-K Filed at: 2026-04-16T23:59:59+00:00 Accession: 0001628280-26-025564 Event type: other_material Sentiment: neutral Materiality: 0.35 Item codes: 4.01 LLM model: deepseek-v4-flash:cloud@v2 LanzaTech dismisses Deloitte, appoints BDO as new auditor; prior reports included going-concern doubt -------------------------------------------------------------------------------- - Deloitte & Touche dismissed as auditor effective April 10, 2026; BDO USA appointed for FY2026. - No disagreements with Deloitte on accounting principles or audit scope; no restatements. - Deloitte's reports for 2024 and 2025 each included an explanatory paragraph about substantial doubt as a going concern. - Material weaknesses in internal controls previously disclosed related to complex transactions, estimates, and revenue recognition. - Company requested Deloitte to provide a letter to SEC; to be filed as exhibit within 2-10 business days. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1843724/000162828026025564/0001628280-26-025564-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1843724/000162828026025564/amci-20260410.htm HTML page: https://secwatch.observer/filing/0001628280-26-025564 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer