4processed

Form 4 — Insider Transaction

LITTELFUSE INC /DE(LFUS)

Filing Date

May 18, 2026

Accepted

May 18, 2026

Accession No.

0002055015-26-000011

CIK

0000889331

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Ruppel DavidSVP & GM Transportation Bus.Other506$445.165.3KCommon StockMay 18, 2026