---
schema_version: "secwatch.filing_event.v1"
accession: "0000071829-26-000006"
form_type: "8-K"
ticker: "NPKI"
cik: "0000071829"
company_name: "NPK International Inc."
filed_at: "2026-02-26T23:59:59+00:00"
generated_at: "2026-05-15T23:56:15.741030+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "low"
source: SEC EDGAR
---

# NPK International furnishes Q4 2025 investor presentation; no financial details in filing text

## Summary
- No specific financial data or operational metrics are included in the provided exhibit text.
- Presentation materials furnished under Regulation FD for use with investors and other stakeholders.
- Investors should refer to the full presentation for performance information beyond what is in this 8-K.
- Management may update materials but disclaims any obligation to do so after filing date.

## SEC filing metadata
- accession: 0000071829-26-000006
- form_type: 8-K
- ticker: NPKI
- cik: 0000071829
- company_name: NPK International Inc.
- filed_at: 2026-02-26T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: low
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/71829/000007182926000006/0000071829-26-000006-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/71829/000007182926000006/nr-20260226.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000071829-26-000006
- JSON: https://secwatch.observer/filing/0000071829-26-000006.json
- Plain text: https://secwatch.observer/filing/0000071829-26-000006.txt

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