secwatch.observer — SEC 8-K summary ====================================== Issuer: Cyngn Inc. (CYN) CIK: 0001874097 Form: 8-K Filed at: 2025-04-25T23:59:59+00:00 Accession: 0001213900-25-035576 Event type: other Sentiment: negative Materiality: 0.60 Item codes: 4.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Cyngn replaces auditor Marcum with CBIZ after resignation; material weakness in internal controls -------------------------------------------------------------------------------- - Marcum LLP resigned as independent auditor on April 23, 2025; CBIZ CPAs P.C. engaged same day for FY2025. - Marcum's 2023 and 2024 reports included going-concern explanatory paragraph about substantial doubt. - Material weakness in internal controls over financial reporting related to oversight of third parties in financial reporting process. - No disagreements with Marcum on accounting principles or audit scope. - Audit committee and board approved the engagement of CBIZ. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1874097/000121390025035576/0001213900-25-035576-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1874097/000121390025035576/ea0239509-8k_cyngn.htm HTML page: https://secwatch.observer/filing/0001213900-25-035576 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer