X0609 4 2026-04-22 0 0000889331 LITTELFUSE INC /DE LFUS 0002115144 PAEPER HOLLY Beth false 6133 N. RIVER ROAD, SUITE 500 ROSEMONT IL 60018 1 0 0 0 0 Common Stock 2026-04-22 4 A 0 482 0 A 554 D Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in full on the earlier of (1) the first anniversary of the date of grant or (2) the date of the Company's 2027 Annual Meeting of Stockholders. /s/Mark J. Reyes, Power of Attorney 2026-04-24