---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-21-017206"
form_type: "8-K"
ticker: "OPXS"
cik: "0001397016"
company_name: "Optex Systems Holdings Inc"
filed_at: "2021-07-19T23:59:59+00:00"
generated_at: "2026-06-30T04:26:17.246546+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Optex Systems discloses ransomware attack on July 13; sensitive data may be breached

## Summary
- Ransomware attack occurred July 13, 2021; company isolated the source and restored operations with no material day-to-day impact.
- Sensitive data may have been breached; investigation ongoing with outside experts and US government officials.
- No financial impact or number of affected records disclosed; limited details provided in 8-K filing.

## SEC filing metadata
- accession: 0001493152-21-017206
- form_type: 8-K
- ticker: OPXS
- cik: 0001397016
- company_name: Optex Systems Holdings Inc
- filed_at: 2021-07-19T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1397016/000149315221017206/0001493152-21-017206-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1397016/000149315221017206/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-21-017206
- JSON: https://secwatch.observer/filing/0001493152-21-017206.json
- Plain text: https://secwatch.observer/filing/0001493152-21-017206.txt

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