Form 4 Filing for William P. Noglows

William P. Noglows, a director at LITTELFUSE INC /DE, acquired 482 shares of Common Stock on April 22, 2026, with a transaction code indicating acquisition and a price of $0.00. This acquisition was part of a grant of restricted stock units under the company's Long-Term Incentive Plan. The grant vests in full on the earlier of the first anniversary of the grant date or the company's 2027 Annual Meeting of Stockholders. Following this transaction, Noglows has 22,176 shares. Additionally, Noglows has indirect ownership of 5,000 shares held in trust for his son and daughter (2,500 shares each).