---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-25-005746"
form_type: "8-K"
ticker: "NX"
cik: "0001423221"
company_name: "Quanex Building Products CORP"
filed_at: "2025-09-04T23:59:59+00:00"
generated_at: "2026-05-17T08:17:15.542802+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Quanex Building Products Reports Q3 2025 Net Loss of $276M, Repays $51.25M Debt, Updates Guidance

## Summary
- Net sales increased 76.7% to $495.3M in Q3 2025 from $280.3M in prior year, driven by Tyman acquisition.
- Net loss of $276.0M included a $302.3M non-cash goodwill impairment; adjusted net income was $31.6M.
- Repaid $51.25 million of bank debt in Q3 2025; leverage ratio (Net Debt/LTM Adj. EBITDA) decreased to 2.6x.
- Reaffirmed cost synergy target of ~$45M (above initial $30M); updated FY2025 guidance: net sales ~$1.82B, Adj. EBITDA ~$235M.

## SEC filing metadata
- accession: 0001171843-25-005746
- form_type: 8-K
- ticker: NX
- cik: 0001423221
- company_name: Quanex Building Products CORP
- filed_at: 2025-09-04T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1423221/000117184325005746/0001171843-25-005746-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1423221/000117184325005746/f8k_090425.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-25-005746
- JSON: https://secwatch.observer/filing/0001171843-25-005746.json
- Plain text: https://secwatch.observer/filing/0001171843-25-005746.txt

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