0000950170-24-037289.txt : 20240327 0000950170-24-037289.hdr.sgml : 20240327 20240327164648 ACCESSION NUMBER: 0000950170-24-037289 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240325 FILED AS OF DATE: 20240327 DATE AS OF CHANGE: 20240327 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: NEUPAVER ALBERT J CENTRAL INDEX KEY: 0001190210 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32737 FILM NUMBER: 24791500 ISSUER: 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 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 4 1 ownership.xml 4 X0508 4 2024-03-25 0001315257 Koppers Holdings Inc. KOP 0001190210 NEUPAVER ALBERT J 436 SEVENTH AVENUE PITTSBURGH PA 15219 true false false false false Dividend Equivalent Rights 2024-03-25 4 A false 20 0 A Common Stock 20 20 D The dividend equivalent rights ("DERs") accrued with respect to additional time-based restricted stock units ("RSUs") credited to the reporting person with respect to RSUs granted on May 4, 2023. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock. /s/Stephanie L. Apostolou, Attorney in Fact 2024-03-27