---
schema_version: "secwatch.filing_event.v1"
accession: "0000889331-23-000135"
form_type: "8-K"
ticker: "LFUS"
cik: "0000889331"
company_name: "LITTELFUSE INC /DE"
filed_at: "2023-08-16T23:59:59+00:00"
generated_at: "2026-06-11T09:03:01.447903+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Littelfuse dismisses Grant Thornton as auditor; appoints Deloitte for FY2024

## Summary
- Audit Committee selected Deloitte & Touche as independent auditor for fiscal year ending Dec 28, 2024.
- Grant Thornton's audit reports for FY2022 and FY2021 were unqualified, with no adverse opinions.
- No disagreements with Grant Thornton on accounting principles or audit scope through Aug 15, 2023.
- Grant Thornton will complete audit for FY2023 before transitioning to Deloitte.
- No consultations with Deloitte on accounting or audit issues occurred prior to appointment.

## SEC filing metadata
- accession: 0000889331-23-000135
- form_type: 8-K
- ticker: LFUS
- cik: 0000889331
- company_name: LITTELFUSE INC /DE
- filed_at: 2023-08-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/889331/000088933123000135/0000889331-23-000135-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/889331/000088933123000135/lfus-20230815.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000889331-23-000135
- JSON: https://secwatch.observer/filing/0000889331-23-000135.json
- Plain text: https://secwatch.observer/filing/0000889331-23-000135.txt

## Key facts
- Auditor Changes
  LITTELFUSE INC /DE engaged Deloitte & Touche LLP as its auditor.
  - Action: engagement
  - Auditor: Deloitte & Touche LLP
  source text: on August 15, 2023, the Committee appointed Deloitte as the Company’s independent registered public accounting firm for the fiscal year ending December 28, 2024
  evidence_url: https://www.sec.gov/Archives/edgar/data/889331/000088933123000135/0000889331-23-000135-index.htm
- Auditor Changes
  LITTELFUSE INC /DE dismissed Grant Thornton LLP as its auditor.
  - Action: dismissal
  - Auditor: Grant Thornton LLP
  - Successor: Deloitte & Touche LLP
  source text: on August 15, 2023, the Committee approved the dismissal of Grant Thornton as the Company’s auditor and appointed Deloitte & Touche LLP
  evidence_url: https://www.sec.gov/Archives/edgar/data/889331/000088933123000135/0000889331-23-000135-index.htm

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