secwatch.observer — SEC 8-K summary ====================================== Issuer: SYNTEC OPTICS HOLDINGS, INC. (OPTX) CIK: 0001866816 Form: 8-K Filed at: 2026-08-25T20:30:33+00:00 Accession: 0001493152-26-040058 Event type: other_material Sentiment: negative Materiality: 0.70 Item codes: 4.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Syntec Optics dismisses auditor CBIZ, appoints Withum; discloses material weaknesses -------------------------------------------------------------------------------- - CBIZ CPAs dismissed as auditor effective Aug 19, 2026; FY2025 audit report was unqualified. - WithumSmith+Brown appointed to review Q3 2026 interim info and audit FY2026 statements. - Disclosed material weaknesses: journal entry review, segregation of duties, reconciliations, related-party controls. - Additional weaknesses: IT general controls (user access, change management), SOC-1 reviews, cybersecurity controls. - No accounting disagreements with CBIZ; CBIZ response letter dated Aug 25, 2026 filed as Exhibit 16.1. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1866816/000149315226040058/0001493152-26-040058-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1866816/000149315226040058/form8-k.htm HTML page: https://secwatch.observer/filing/0001493152-26-040058 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer