---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-25-007399"
form_type: "8-K"
ticker: "NTIC"
cik: "0000875582"
company_name: "NORTHERN TECHNOLOGIES INTERNATIONAL CORP"
filed_at: "2025-11-18T23:59:59+00:00"
generated_at: "2026-05-16T18:59:46.393742+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# NTIC reports Q4 net loss $1.1M, FY2025 EPS $0.00 vs $0.55; sales down 1%

## Summary
- FY2025 net sales $84.2M (-1% YoY); net income $18K vs $5.4M; diluted EPS $0.00 vs $0.55.
- Q4 net loss $1.1M ($0.12 loss per share) vs net income $1.8M ($0.19) a year ago.
- ZERUST oil & gas sales fell 20.7% to $7.3M; Natur-Tec -1.0%; China +14.0%.
- Joint venture operating income down 9.8% to $8.5M on lower JV sales.
- Chinese subsidiary assessed $387K penalty from Ningbo Customs; company says resolved.

## SEC filing metadata
- accession: 0001171843-25-007399
- form_type: 8-K
- ticker: NTIC
- cik: 0000875582
- company_name: NORTHERN TECHNOLOGIES INTERNATIONAL CORP
- filed_at: 2025-11-18T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/875582/000117184325007399/0001171843-25-007399-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/875582/000117184325007399/f8k_111725.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-25-007399
- JSON: https://secwatch.observer/filing/0001171843-25-007399.json
- Plain text: https://secwatch.observer/filing/0001171843-25-007399.txt

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