---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-005086"
form_type: "8-K"
ticker: "BELFA"
cik: "0000729580"
company_name: "BEL FUSE INC /NJ"
filed_at: "2024-02-21T23:59:59+00:00"
generated_at: "2026-06-05T22:29:41.328405+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Bel Fuse Q4 net sales down 17% YoY to $140M; gross margin expands; announces $25M buyback

## Summary
- Q4 net sales $140.0M, down 17% YoY; full-year net sales $639.8M, down 2% YoY.
- Q4 GAAP net earnings $12.0M; full-year net earnings $73.8M, up from $52.7M in 2022.
- Gross margin expanded to 33.7% full year vs 28.0% in 2022; Q4 margin 36.6% vs 31.0%.
- Adjusted EBITDA $110.5M (17.3% of sales) in 2023, up from $83.0M (12.7%) in 2022.
- Board authorized $25M share repurchase program; $4M for Class A, $21M for Class B shares.

## SEC filing metadata
- accession: 0001437749-24-005086
- form_type: 8-K
- ticker: BELFA
- cik: 0000729580
- company_name: BEL FUSE INC /NJ
- filed_at: 2024-02-21T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/729580/000143774924005086/0001437749-24-005086-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/729580/000143774924005086/belfb20231110_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-005086
- JSON: https://secwatch.observer/filing/0001437749-24-005086.json
- Plain text: https://secwatch.observer/filing/0001437749-24-005086.txt

## Key facts
- Earnings Releases
  BEL FUSE INC /NJ reported preliminary financial results for the fourth quarter and full year of 2023.
  - Period: the fourth quarter and full year of 2023
  - Result: preliminary results
  source text: Bel Fuse Inc. (Nasdaq: BELFA and BELFB) today announced preliminary financial results for the fourth quarter and full year of 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/729580/000143774924005086/0001437749-24-005086-index.htm

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