---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-21-004791"
form_type: "8-K"
ticker: "NTIC"
cik: "0000875582"
company_name: "NORTHERN TECHNOLOGIES INTERNATIONAL CORP"
filed_at: "2021-07-08T23:59:59+00:00"
generated_at: "2026-06-30T06:45:57.657575+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# NTIC Q3 FY2021 net sales hit record $15.4M; net income of $2.1M vs loss year ago

## Summary
- Consolidated net sales up 58.2% YoY to $15.4M; net income of $2.1M ($0.21 diluted EPS) vs net loss of $965,000 ($0.11 loss per share).
- ZERUST industrial net sales +61.4% to $10.1M; oil & gas +141.0% to $1.0M; Natur-Tec +27.3% to $3.0M.
- Joint venture operating income rose 114.6% to $3.6M; JV net sales up 70.2% to $32.0M.
- Balance sheet: no debt, cash and securities $11.0M, working capital $29.7M.
- Management expects continued YoY sales and earnings growth in Q4 fiscal 2021.

## SEC filing metadata
- accession: 0001171843-21-004791
- form_type: 8-K
- ticker: NTIC
- cik: 0000875582
- company_name: NORTHERN TECHNOLOGIES INTERNATIONAL CORP
- filed_at: 2021-07-08T23:59:59+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/875582/000117184321004791/0001171843-21-004791-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/875582/000117184321004791/f8k_070721.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-21-004791
- JSON: https://secwatch.observer/filing/0001171843-21-004791.json
- Plain text: https://secwatch.observer/filing/0001171843-21-004791.txt

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