---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-040058"
form_type: "8-K"
ticker: "OPTX"
cik: "0001866816"
company_name: "SYNTEC OPTICS HOLDINGS, INC."
filed_at: "2026-08-25T20:30:33+00:00"
generated_at: "2026-08-25T20:32:16.036755+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Syntec Optics dismisses auditor CBIZ, appoints Withum; discloses material weaknesses

## Summary
- 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.

## SEC filing metadata
- accession: 0001493152-26-040058
- form_type: 8-K
- ticker: OPTX
- cik: 0001866816
- company_name: SYNTEC OPTICS HOLDINGS, INC.
- filed_at: 2026-08-25T20:30:33+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1866816/000149315226040058/0001493152-26-040058-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1866816/000149315226040058/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-040058
- JSON: https://secwatch.observer/filing/0001493152-26-040058.json
- Plain text: https://secwatch.observer/filing/0001493152-26-040058.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.