---
schema_version: "secwatch.filing_event.v1"
accession: "0000071829-25-000112"
form_type: "8-K"
ticker: "NPKI"
cik: "0000071829"
company_name: "NPK International Inc."
filed_at: "2025-08-05T23:59:59+00:00"
generated_at: "2026-05-17T21:09:39.660656+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# NPK Q2 revenue $68.2M (+2%); record rental revenue $31.7M (+34%); raises FY guidance

## Summary
- Revenue $68.2M (+2% YoY); rental revenue record $31.7M (+34% YoY) on power transmission demand.
- Adjusted EBITDA $18.8M (27.5% margin, +70 bps); diluted EPS $0.10 flat vs prior year.
- Raised full-year revenue and EBITDA guidance (specific figures not disclosed in release).
- Repurchased $6M of shares (1% outstanding); new $150M revolving credit facility established.
- Free cash flow $11.2M; total cash $26.0M vs total debt $9.3M; net cash positive.

## SEC filing metadata
- accession: 0000071829-25-000112
- form_type: 8-K
- ticker: NPKI
- cik: 0000071829
- company_name: NPK International Inc.
- filed_at: 2025-08-05T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/71829/000007182925000112/0000071829-25-000112-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/71829/000007182925000112/nr-20250805.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000071829-25-000112
- JSON: https://secwatch.observer/filing/0000071829-25-000112.json
- Plain text: https://secwatch.observer/filing/0000071829-25-000112.txt

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