---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-22-009097"
form_type: "8-K"
ticker: "NSSC"
cik: "0000069633"
company_name: "NAPCO SECURITY TECHNOLOGIES, INC"
filed_at: "2022-05-17T23:59:59+00:00"
generated_at: "2026-06-25T12:49:08.641576+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Napco Security restates FY 2019-2021 financials; inventory reserves errors, material weakness

## Summary
- Audit committee concluded FY 2019-2021 audited financials and auditor's opinion should no longer be relied upon.
- Errors in inventory obsolescence reserve methodology; changed to systematic method using historical data and usage.
- Material weakness in internal control over financial reporting and ineffective disclosure controls at June 30, 2021.
- Management enhanced procedures but cannot estimate timeline to complete remediation testing.

## SEC filing metadata
- accession: 0001558370-22-009097
- form_type: 8-K
- ticker: NSSC
- cik: 0000069633
- company_name: NAPCO SECURITY TECHNOLOGIES, INC
- filed_at: 2022-05-17T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 4.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/69633/000155837022009097/0001558370-22-009097-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/69633/000155837022009097/nssc-20220516x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-22-009097
- JSON: https://secwatch.observer/filing/0001558370-22-009097.json
- Plain text: https://secwatch.observer/filing/0001558370-22-009097.txt

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