0001959173-23-005639.txt : 20231220 0001959173-23-005639.hdr.sgml : 20231220 20231220114248 ACCESSION NUMBER: 0001959173-23-005639 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231220 DATE AS OF CHANGE: 20231220 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Koppers Holdings Inc. CENTRAL INDEX KEY: 0001315257 STANDARD INDUSTRIAL CLASSIFICATION: LUMBER & WOOD PRODUCTS (NO FURNITURE) [2400] ORGANIZATION NAME: 04 Manufacturing 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: 231500395 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: Pearce Bradley A CENTRAL INDEX KEY: 0001776180 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 436 SEVENTH AVENUE CITY: PITTSBURGH STATE: PA ZIP: 15219 144 1 primary_doc.xml 144 0001776180 XXXXXXXX LIVE 0001315257 Koppers Holdings Inc. 001-32737 436 SEVENTH AVENUE PITTSBURGH PA 15219 412-227-2001 Pearce Bradley A Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

1000 49823.50 20823066 12/20/2023 NYSE Common 03/02/2018 Restricted Stock Vesting Issuer N 1000 03/02/2018 Compensation Y 12/20/2023 /s/ Ryan Riviere, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Bradley Pearce