---
schema_version: "secwatch.filing_event.v1"
accession: "0000889331-23-000154"
form_type: "8-K"
ticker: "LFUS"
cik: "0000889331"
company_name: "LITTELFUSE INC /DE"
filed_at: "2023-10-31T23:59:59+00:00"
generated_at: "2026-06-09T05:20:31.911077+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Littelfuse Q3 net sales $607.1M (-8% YoY), adj. EPS $2.97; Q4 guidance $520-550M sales

## Summary
- Net sales $607.1M, down 8% YoY (down 11% organic); GAAP diluted EPS $2.30, adj. diluted EPS $2.97.
- Cash from ops $161.5M, free cash flow $139.8M; dividend $0.65/share payable Dec 7.
- Q4 guidance: net sales $520-550M, adj. diluted EPS $1.90-2.10, effective tax rate ~18%.
- CEO: performance exceeded expectations despite end market softness and destocking.

## SEC filing metadata
- accession: 0000889331-23-000154
- form_type: 8-K
- ticker: LFUS
- cik: 0000889331
- company_name: LITTELFUSE INC /DE
- filed_at: 2023-10-31T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/889331/000088933123000154/0000889331-23-000154-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/889331/000088933123000154/lfus-20231031.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000889331-23-000154
- JSON: https://secwatch.observer/filing/0000889331-23-000154.json
- Plain text: https://secwatch.observer/filing/0000889331-23-000154.txt

## Key facts
- Earnings Releases
  LITTELFUSE INC /DE reported the third quarter ended September 30, 2023 results: revenue $607.1 million, EPS GAAP diluted EPS was $2.30; adjusted diluted EPS was $2.97. Guidance reaffirmed.
  - Period: the third quarter ended September 30, 2023
  - Revenue: $607.1 million
  - EPS: GAAP diluted EPS was $2.30; adjusted diluted EPS was $2.97
  - Guidance: reaffirmed
  - Result: reported results
  source text: manufacturing company empowering a sustainable, connected, and safer world, today reported financial results for the third quarter ended September 30, 2023: • Net sales of $607.1 million were down 8% versus the prior year period, and down 11% organically • GAAP diluted EPS was $2.30; adjusted diluted EPS was $2.97 • Cash flow from operations was $161.5 million
  evidence_url: https://www.sec.gov/Archives/edgar/data/889331/000088933123000154/0000889331-23-000154-index.htm

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