0001950047-26-003799.txt : 20260428 0001950047-26-003799.hdr.sgml : 20260428 20260428160356 ACCESSION NUMBER: 0001950047-26-003799 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20260428 DATE AS OF CHANGE: 20260428 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Knowles Corp CENTRAL INDEX KEY: 0001587523 STANDARD INDUSTRIAL CLASSIFICATION: HOUSEHOLD AUDIO & VIDEO EQUIPMENT [3651] ORGANIZATION NAME: 04 Manufacturing EIN: 901002689 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-36102 FILM NUMBER: 26907525 BUSINESS ADDRESS: STREET 1: 1151 MAPLEWOOD DRIVE CITY: ITASCA STATE: IL ZIP: 60143 BUSINESS PHONE: 630-250-5100 MAIL ADDRESS: STREET 1: 1151 MAPLEWOOD DRIVE CITY: ITASCA STATE: IL ZIP: 60143 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: HIRSCH DIDIER CENTRAL INDEX KEY: 0001226464 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 1151 MAPLEWOOD DRIVE CITY: ITASCA STATE: IL ZIP: 60143 144 1 primary_doc.xml 144 0001226464 XXXXXXXX LIVE 0001587523 KNOWLES CORPORATION 001-36102 1151 Maplewood Drive, Itasca IL 60143 (630) 250-5100 DIDIER HIRSCH Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

9316 286010.52 84913639 04/28/2026 NYSE Common 04/26/2023 Restricted Stock Issuer N 9316 04/26/2023 Not Applicable Y 04/28/2026 /s/ Didier Hirsch