• Maggie Chu, SVP and chief human resources officer, cut her direct stake in Littelfuse to 6,001 shares following transactions dated May 20.
• Sold 11,397 shares at weighted-average prices of $435.22, $436.38, and $437.37.
• Exercised stock options for 11,397 shares at $231.64, $240.76, and $230.39.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Littelfuse Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001872974-26-000011), on May 21, 2026, and is solely responsible for the information contained therein.