0001201094-26-000006.txt : 20260424 0001201094-26-000006.hdr.sgml : 20260424 20260424162037 ACCESSION NUMBER: 0001201094-26-000006 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260422 FILED AS OF DATE: 20260424 DATE AS OF CHANGE: 20260424 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: NOGLOWS WILLIAM P CENTRAL INDEX KEY: 0001201094 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20388 FILM NUMBER: 26894375 MAIL ADDRESS: STREET 1: C/O ASPEN AEROGELS, INC. STREET 2: 30 FORBES ROAD, BUILDING B CITY: NORTHBOROUGH STATE: MA ZIP: 01532 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: LITTELFUSE INC /DE CENTRAL INDEX KEY: 0000889331 STANDARD INDUSTRIAL CLASSIFICATION: SWITCHGEAR & SWITCHBOARD APPARATUS [3613] ORGANIZATION NAME: 04 Manufacturing EIN: 363795742 STATE OF INCORPORATION: DE FISCAL YEAR END: 1226 BUSINESS ADDRESS: STREET 1: 6133 NORTH RIVER ROAD STREET 2: SUITE 500 CITY: ROSEMONT STATE: IL ZIP: 60018 BUSINESS PHONE: 773-628-1000 MAIL ADDRESS: STREET 1: 6133 NORTH RIVER ROAD STREET 2: SUITE 500 CITY: ROSEMONT STATE: IL ZIP: 60018 4 1 wk-form4_1777062035.xml FORM 4 X0609 4 2026-04-22 0 0000889331 LITTELFUSE INC /DE LFUS 0001201094 NOGLOWS WILLIAM P false 6133 NORTH RIVER ROAD, SUITE 500 ROSEMONT IL 60018 1 0 0 0 0 Common Stock 2026-04-22 4 A 0 482 0 A 22176 D Common Stock 2500 I By Trust Common Stock 2500 I By Trust 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. Shares held in trust for the benefit of the reporting person's son. Shares held in trust for the benefit of the reporting person's daughter. /s/Ryan K. Stafford, Power of Attorney 2026-04-24