0001959173-23-004837.txt : 20231117 0001959173-23-004837.hdr.sgml : 20231117 20231117112314 ACCESSION NUMBER: 0001959173-23-004837 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231117 DATE AS OF CHANGE: 20231117 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-32737 FILM NUMBER: 231417111 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Dowd Joseph P CENTRAL INDEX KEY: 0001553647 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 436 SEVENTH AVENUE STREET 2: SUITE 1550 CITY: PITTSBURGH STATE: PA ZIP: 15219 144 1 primary_doc.xml 144 0001553647 XXXXXXXX LIVE 0001315257 Koppers Holdings Inc. 001-32737 436 SEVENTH AVENUE PITTSBURGH PA 15219 412-227-2001 Dowd Joseph P Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

5250 222907.60 20823066 11/17/2023 NYSE Common 11/17/2023 Option Granted - 02/18/2014 Issuer N 5250 11/17/2023 Cash Y 11/17/2023 /s/ Courtney Broxterman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Joseph Dowd