---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-004366"
form_type: "8-K"
ticker: "BELFA"
cik: "0000729580"
company_name: "BEL FUSE INC /NJ"
filed_at: "2026-02-17T23:59:59+00:00"
generated_at: "2026-05-16T02:38:14.752914+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Bel Fuse Q4 sales up 17% to $175.9M; non-GAAP net earnings $24.9M; provides Q1 guidance

## Summary
- Q4 net sales $175.9M (+17.4% YoY); gross margin 39.4% vs 37.5% in Q4-24.
- GAAP net loss $5.4M includes $13.1M impairment; non-GAAP net earnings $24.9M vs $19.0M in Q4-24.
- FY2025 net sales $675.5M (+26.3%); GAAP net earnings $61.5M; adjusted EBITDA $142.9M (21.2% of sales).
- Q1 2026 guidance: net sales $165-180M, gross margin 37-39%, citing seasonality.
- Tom Smelker joins leadership to replace retiring Pete Bittner; focus on aerospace and defense growth.

## SEC filing metadata
- accession: 0001437749-26-004366
- form_type: 8-K
- ticker: BELFA
- cik: 0000729580
- company_name: BEL FUSE INC /NJ
- filed_at: 2026-02-17T23:59:59+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/729580/000143774926004366/0001437749-26-004366-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/729580/000143774926004366/belfb20251114_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-004366
- JSON: https://secwatch.observer/filing/0001437749-26-004366.json
- Plain text: https://secwatch.observer/filing/0001437749-26-004366.txt

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