---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-21-005790"
form_type: "8-K"
ticker: "NTIC"
cik: "0000875582"
company_name: "NORTHERN TECHNOLOGIES INTERNATIONAL CORP"
filed_at: "2021-08-10T23:59:59+00:00"
generated_at: "2026-06-29T17:40:33.161365+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Director Soo-Keong Koh resigns from board for health reasons

## Summary
- Soo-Keong Koh resigned from the Board of Directors effective August 10, 2021.
- Resignation due to personal health reasons, not related to any disagreement with the Company.
- No replacement for Koh has been announced or discussed in the filing.

## SEC filing metadata
- accession: 0001171843-21-005790
- form_type: 8-K
- ticker: NTIC
- cik: 0000875582
- company_name: NORTHERN TECHNOLOGIES INTERNATIONAL CORP
- filed_at: 2021-08-10T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/875582/000117184321005790/0001171843-21-005790-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/875582/000117184321005790/f8k_081021.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-21-005790
- JSON: https://secwatch.observer/filing/0001171843-21-005790.json
- Plain text: https://secwatch.observer/filing/0001171843-21-005790.txt

## Key facts
- Executive change
  Soo-Keong Koh resigned as Director at NORTHERN TECHNOLOGIES INTERNATIONAL CORP.
  - Action: resigned
  - Role: Director
  source text: On August 10, 2021, Soo-Keong Koh, a member of the Board of Directors (the “Board”) of Northern Technologies International Corporation (the “Company”), resigned as a Board member, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/875582/000117184321005790/0001171843-21-005790-index.htm

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