0000950170-24-053678.txt : 20240506
0000950170-24-053678.hdr.sgml : 20240506
20240506170745
ACCESSION NUMBER: 0000950170-24-053678
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20240502
FILED AS OF DATE: 20240506
DATE AS OF CHANGE: 20240506
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Vartanian Nishan J.
CENTRAL INDEX KEY: 0001564614
ORGANIZATION NAME:
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-32737
FILM NUMBER: 24918516
MAIL ADDRESS:
STREET 1: 1000 CRANBERRY WOODS DRIVE
CITY: CRANBERRY TOWNSHIP
STATE: PA
ZIP: 16066
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
2024-05-02
0001315257
Koppers Holdings Inc.
KOP
0001564614
Vartanian Nishan J.
436 SEVENTH AVENUE
PITTSBURGH
PA
15219
true
false
false
false
false
Common Stock
2024-05-02
4
A
false
2079
0
A
2539
D
The reporting person was awarded time-based restricted stock units ("RSUs").
/s/Stephanie L. Apostolou, Attorney in Fact
2024-05-06