---
schema_version: "secwatch.filing_event.v1"
accession: "0000889331-24-000010"
form_type: "8-K"
ticker: "LFUS"
cik: "0000889331"
company_name: "LITTELFUSE INC /DE"
filed_at: "2024-01-30T23:59:59+00:00"
generated_at: "2026-06-06T15:34:48.347727+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Littelfuse Q4 net sales down 13% YoY to $533.8M; adjusted EPS $2.02

## Summary
- Q4 net sales $533.8M, down 13% YoY (down 14.5% organically); GAAP EPS $1.71, adjusted EPS $2.02.
- Full year 2023 net sales $2.4B, down 6% YoY; record free cash flow of $371M.
- Q1 2024 guidance: net sales $505-530M, adjusted diluted EPS $1.65-1.85, adjusted tax rate ~20.5%.
- Quarterly cash dividend of $0.65/share declared, payable March 7, 2024 to holders of record Feb 22.
- Management expects return to growth in 2024, cites portfolio diversification and cost structure.

## SEC filing metadata
- accession: 0000889331-24-000010
- form_type: 8-K
- ticker: LFUS
- cik: 0000889331
- company_name: LITTELFUSE INC /DE
- filed_at: 2024-01-30T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/889331/000088933124000010/0000889331-24-000010-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/889331/000088933124000010/lfus-20240130.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000889331-24-000010
- JSON: https://secwatch.observer/filing/0000889331-24-000010.json
- Plain text: https://secwatch.observer/filing/0000889331-24-000010.txt

## Key facts
- Earnings Releases
  LITTELFUSE INC /DE reported the quarter ended December 30, 2023 results: revenue $533.8 million, EPS GAAP diluted EPS was $1.71; adjusted diluted EPS was $2.02.
  - Period: the quarter ended December 30, 2023
  - Revenue: $533.8 million
  - EPS: GAAP diluted EPS was $1.71; adjusted diluted EPS was $2.02
  - Result: reported results
  source text: connected, and safer world, today reported financial results for the fourth quarter and full year ended December 30, 2023: Fourth Quarter 2023 Results • Net sales of $533.8 million were down 13% versus the prior year period, and down 14.5% organically • GAAP diluted EPS was $1.71; adjusted diluted EPS was $2.02 • Cash flow from operations was $144 million
  evidence_url: https://www.sec.gov/Archives/edgar/data/889331/000088933124000010/0000889331-24-000010-index.htm
- Earnings Releases
  LITTELFUSE INC /DE reported the full year ended December 30, 2023 results: revenue $2.4 billion, EPS GAAP diluted EPS was $10.34; adjusted diluted EPS was $11.74.
  - Period: the full year ended December 30, 2023
  - Revenue: $2.4 billion
  - EPS: GAAP diluted EPS was $10.34; adjusted diluted EPS was $11.74
  - Result: reported results
  source text: GAAP diluted EPS was $1.71; adjusted diluted EPS was $2.02 • Cash flow from operations was $144 million and free cash flow was $121 million Full Year 2023 Results • Net sales of $2.4 billion were down 6% versus the prior year period, and down 10.3% organically • GAAP diluted EPS was $10.34; adjusted diluted EPS was $11.74 • Cash flow from operations was $457 million
  evidence_url: https://www.sec.gov/Archives/edgar/data/889331/000088933124000010/0000889331-24-000010-index.htm

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