144 0001384707 XXXXXXXX LIVE 0000889331 Littelfuse, Inc 000-20388 6133 North River Road Ste 500 Rosemont IL 60018 7736281000 Ryan Stafford Officer Common Merrill

8890 Lyra Dr 5th Flr Columbus OH 43240

2162 580102.96 24901687 12/11/2025 NASDAQ Common 04/22/2024 Restricted Stock Vest Littelfuse, Inc N 814 04/22/2024 NA Common 04/27/2024 Restricted Stock Vest Littelfuse, Inc N 716 04/27/2024 NA Common 04/28/2024 Restricted Stock Vest Littelfuse, Inc N 632 04/28/2024 NA Y 12/11/2025 Ryan Stafford