David Ruppel - 02 Feb 2026 Form 4 Insider Report for LITTELFUSE INC /DE (LFUS)

Reporting relationship: SVP & GM Transportation Bus.
Issuer ticker: LFUS
Reported as of: 02 Feb 2026
Net transaction value: -$199,875
SEC form: 4
Accepted by SEC: 04 Feb 2026, 16:44:00 UTC
Prior SEC filing: 08 Dec 2025
Next SEC filing: 09 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/Ryan K. Stafford, Power of Attorney

Key filing fact

David Ruppel filed Form 4 for LITTELFUSE INC /DE (LFUS) on 04 Feb 2026.

Key facts

This page summarizes David Ruppel's Form 4 filing for LITTELFUSE INC /DE (LFUS).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 04 Feb 2026, 16:44.

Change

Previous filing in this sequence was filed on 08 Dec 2025.
Current net transaction value: -$199,875.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002055015 Primary reporting owner

Ruppel David

Relationship: SVP & GM Transportation Bus.
Address: 6133 NORTH RIVER ROAD, SUITE 500, ROSEMONT
Signature: /s/Ryan K. Stafford, Power of Attorney
Signature date: 04 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LFUS transaction

Common Stock

Options Exercise

Transaction value: $280,276
Shares: +1,113
Change %: +21%
Price: $251.82
Shares after: 6,460
Date: 02 Feb 2026
Ownership: Direct

LFUS transaction

Common Stock

Sale

Transaction value: $357,028
Shares: -1,113
Change %: -17%
Price: $320.78
Shares after: 5,347
Date: 02 Feb 2026
Ownership: Direct

LFUS transaction

Common Stock

Sale

Transaction value: $123,122
Shares: -382
Change %: -7.1%
Price: $322.31
Shares after: 4,965
Date: 02 Feb 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

LFUS transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -1,113
Change %: -33%
Price: $0.000000
Shares after: 2,224
Date: 02 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,113
Exercise price: $251.82
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The option for 3,337 shares vests in increments of one third annually beginning on the first anniversary of the August 14, 2024 date of grant.

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