0001567619-21-008656.txt : 20210428 0001567619-21-008656.hdr.sgml : 20210428 20210428115318 ACCESSION NUMBER: 0001567619-21-008656 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210426 FILED AS OF DATE: 20210428 DATE AS OF CHANGE: 20210428 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HEINZMANN DAVID W CENTRAL INDEX KEY: 0001279765 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20388 FILM NUMBER: 21862649 MAIL ADDRESS: STREET 1: 8755 WEST HIGGINS ROAD STREET 2: SUITE 500 CITY: CHICAGO STATE: IL ZIP: 60631 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: LITTELFUSE INC /DE CENTRAL INDEX KEY: 0000889331 STANDARD INDUSTRIAL CLASSIFICATION: SWITCHGEAR & SWITCHBOARD APPARATUS [3613] IRS NUMBER: 363795742 STATE OF INCORPORATION: DE FISCAL YEAR END: 1226 BUSINESS ADDRESS: STREET 1: 8755 WEST HIGGINS ROAD CITY: CHICAGO STATE: IL ZIP: 60631 BUSINESS PHONE: 773-628-1000 MAIL ADDRESS: STREET 1: 8755 WEST HIGGINS ROAD CITY: CHICAGO STATE: IL ZIP: 60631 4 1 doc1.xml FORM 4 X0306 4 2021-04-26 0 0000889331 LITTELFUSE INC /DE LFUS 0001279765 HEINZMANN DAVID W 8755 W. HIGGINS ROAD SUITE 500 CHICAGO IL 60631 1 1 0 0 President & CEO Common Stock 2021-04-26 4 F 0 1123 278.77 D 52560 D Closing price per share on date of vesting of restricted stock units. Rebekah Mihm, by power of attorney 2021-04-28