0001643464-17-000002.txt : 20170104 0001643464-17-000002.hdr.sgml : 20170104 20170104113833 ACCESSION NUMBER: 0001643464-17-000002 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170103 FILED AS OF DATE: 20170104 DATE AS OF CHANGE: 20170104 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: 1231 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 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: 17504078 4 1 primary_doc.xml PRIMARY DOCUMENT X0306 4 2017-01-03 0 0000889331 LITTELFUSE INC /DE LFUS 0001279765 HEINZMANN DAVID W 8755 W. HIGGINS RD. SUITE 500 CHICAGO IL 60631 1 1 0 0 President & CEO Common Stock 2017-01-03 4 A 0 6963 0 A 32223 D Common Stock 6349 I By Trust Represents the grant of restricted stock units to the reporting person under the Littelfuse Long Term Incentive Plan. The grant vests 100% on January 3, 2020. Ryan K. Stafford, by power of attorney 2017-01-04