0001209191-23-004220.txt : 20230120 0001209191-23-004220.hdr.sgml : 20230120 20230120160515 ACCESSION NUMBER: 0001209191-23-004220 CONFORMED SUBMISSION TYPE: 5 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171231 FILED AS OF DATE: 20230120 DATE AS OF CHANGE: 20230120 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hyde Leslie S CENTRAL INDEX KEY: 0001349675 FILING VALUES: FORM TYPE: 5 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32737 FILM NUMBER: 23540981 MAIL ADDRESS: STREET 1: C/O KOPPERS INC STREET 2: 436 SEVENTH AVENUE, SUITE 1550 CITY: PITTSBURG STATE: PA ZIP: 15219 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Koppers Holdings Inc. CENTRAL INDEX KEY: 0001315257 STANDARD INDUSTRIAL CLASSIFICATION: LUMBER & WOOD PRODUCTS (NO FURNITURE) [2400] IRS NUMBER: 201878963 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 436 SEVENTH AVENUE CITY: PITTSBURGH STATE: PA ZIP: 15219 BUSINESS PHONE: 412-227-2001 MAIL ADDRESS: STREET 1: 436 SEVENTH AVENUE CITY: PITTSBURGH STATE: PA ZIP: 15219 FORMER COMPANY: FORMER CONFORMED NAME: KI Holdings Inc. DATE OF NAME CHANGE: 20050124 5 1 doc5.xml FORM 5 SUBMISSION X0306 5 2017-12-31 0 0 1 0001315257 Koppers Holdings Inc. KOP 0001349675 Hyde Leslie S 436 SEVENTH AVENUE PITTSBURGH PA 15219 0 1 0 0 SVP, Chief Sustainability Offi Common Stock 2017-03-10 4 S 0 L 1500 41.54 D 51096.4181 D /s/Stephanie L. Apostolou, Attorney in Fact 2023-01-20