# EDGAR Filing Document

**Accession Number:** 0000889331
**File Stem:** 0001140361-23-012053
**Filing Date:** 2023-3
**Character Count:** 2008
**Document Hash:** ced4c5550ee027bc4b0c7ece00a30749
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-23-012053.hdr.sgml**: 20230316

**ACCESSION NUMBER**: 0001140361-23-012053

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20230316

**DATE AS OF CHANGE**: 20230316

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LITTELFUSE INC /DE
- **CENTRAL INDEX KEY:** 0000889331
- **STANDARD INDUSTRIAL CLASSIFICATION:** SWITCHGEAR & SWITCHBOARD APPARATUS [3613]
- **IRS NUMBER:** 363795742
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1230

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-20388
- **FILM NUMBER:** 23739149

**BUSINESS ADDRESS:**
- **STREET 1:** 8755 WEST HIGGINS ROAD
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60631
- **BUSINESS PHONE:** 773-628-1000

**MAIL ADDRESS:**
- **STREET 1:** 8755 WEST HIGGINS ROAD
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60631

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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### <br>

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### SCHEDULE 14A

#### Proxy Statement Pursuant to Section 14(a)<br> of the Securities Exchange Act of 1934<br> (Amendment No.)<br>

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Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))**

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material Pursuant to §240.14a-12

## LITTELFUSE, INC.

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**(Name of Registrant as Specified In Its Charter)**

**(Name of Person(s) Filing Proxy Statement, if other than the Registrant)** 

Payment of Filing Fee (Check the appropriate box):

☒ No fee required. <br> ☐ Fee paid previously with preliminary materials. <br> ☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.<br>

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