---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-21-012543"
form_type: "8-K"
ticker: "NSSC"
cik: "0000069633"
company_name: "NAPCO SECURITY TECHNOLOGIES, INC"
filed_at: "2021-09-15T23:59:59+00:00"
generated_at: "2026-06-29T03:40:57.997761+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Napco Q4 net sales $35.4M (+54%), EPS $0.27; FY21 net income $14.9M (+75%)

## Summary
- Q4 net sales record $35.4M (+54% YoY); recurring service revenue $9.5M (+43%) with 87% gross margin.
- Q4 net income $5.0M vs loss of $1.9M; diluted EPS $0.27 vs ($0.10) a year ago.
- FY21 net sales $114M (+13%), net income $14.9M (+75%), diluted EPS $0.81 (+76%).
- FY21 adjusted EBITDA $19.5M (+32%), cash from operations $23.0M (+123%).
- Cash and marketable securities $40.2M at June 30, 2021 vs $18.2M a year ago.

## SEC filing metadata
- accession: 0001558370-21-012543
- form_type: 8-K
- ticker: NSSC
- cik: 0000069633
- company_name: NAPCO SECURITY TECHNOLOGIES, INC
- filed_at: 2021-09-15T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/69633/000155837021012543/0001558370-21-012543-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/69633/000155837021012543/nssc-20210913x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-21-012543
- JSON: https://secwatch.observer/filing/0001558370-21-012543.json
- Plain text: https://secwatch.observer/filing/0001558370-21-012543.txt

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