Koppers Holdings Inc.

KOP · NYSE · SIC 2400: Lumber & Wood Products (No Furniture) · Market Cap: $0.8B · 1,859 employees
163
SEC Filings
$46.26
Close 2026-09-23
1,859
Employees

Business Summary

Koppers Holdings Inc. is a leading integrated global provider of treated wood products, wood preservation chemicals, and carbon compounds. The company operates three segments: Railroad and Utility Products and Services (RUPS), Performance Chemicals (PC), and Carbon Materials and Chemicals (CMC). Products include railroad crossties, utility poles, creosote, carbon pitch, naphthalene, copper-based wood preservatives, and fire-retardant chemicals, serving railroad, utility, aluminum, steel, rubber, residential lumber, and construction industries across North America, South America, Australasia, and Europe.

Latest Stock Quote

KOP 2026-09-23 $46.26 O:$45.98 H:$46.425 L:$45.09 Vol:0.1M VWAP:$46.0242
origin leaf: null

Next Earnings

Q2 FY2026 — expected 2026-08-07

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2026-02-262025-12-310001315257-26-000012EDGAR54K words
2025-02-272024-12-310000950170-25-028542EDGAR58K words
2024-02-282023-12-310000950170-24-021787EDGAR57K words
2023-02-272022-12-310000950170-23-004546EDGAR—
2022-02-232021-12-310001564590-22-006039EDGAR—
2021-02-242020-12-310001564590-21-007979EDGAR—
2020-02-272019-12-310001564590-20-006973EDGAR—
2019-03-012018-12-310001564590-19-005736EDGAR—
2018-02-272017-12-310001564590-18-003507EDGAR—
2017-02-242016-12-310001564590-17-002413EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2026-08-062026-06-300001315257-26-000048EDGAR19K words
2025-11-072025-09-300001315257-25-000012EDGAR20K words
2025-08-082025-06-300000950170-25-105595EDGAR24K words
2025-05-092025-03-310000950170-25-067733EDGAR21K words
2024-11-082024-09-300000950170-24-123804EDGAR22K words
2024-08-082024-06-300000950170-24-093561EDGAR21K words
2024-05-032024-03-310000950170-24-052678EDGAR17K words
2023-11-032023-09-300000950170-23-058640EDGAR—
2023-08-032023-06-300000950170-23-037727EDGAR—
2023-05-052023-03-310000950170-23-018172EDGAR—
2022-11-042022-09-300000950170-22-022129EDGAR—
2022-08-042022-06-300001564590-22-027965EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-08-060001315257-26-000046EDGAR7K words
2026-02-260001315257-26-000010EDGAR7K words
2026-01-090001315257-26-000004EDGAR1K words
2025-11-070001315257-25-000010EDGAR6K words
2025-11-050001315257-25-000006EDGAR0K words
2025-08-080000950170-25-105486EDGAR7K words
2025-06-180000950170-25-087681EDGAR1K words
2025-05-290000950170-25-078597EDGAR1K words
2025-05-090000950170-25-067521EDGAR6K words
2025-02-270000950170-25-028398EDGAR7K words

163 total filings indexed. 131 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

NWGL — CL Workshop Group Ltd LPX — LOUISIANA-PACIFIC CORP TREX — TREX CO INC

Tags

railroad-industry utility-industry residential-lumber commercial-construction aluminum-production steel-production rubber-industry specialty-chemical-industry agriculture marine-applications

Company Identity

CIK0001315257
TickerKOP
ExchangeNYSE
SIC2400: Lumber & Wood Products (No Furniture)
IncorporatedPA
Websitehttps://www.koppers.com
Listed2006-02-01

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This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

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JSON Profile Stock Quote Origin Record
Origin Provenance
page leaf: 42489d6a31249c147f3f0151fd29ccdd2fc2f34d94da685522b5ec172102153c
parent: d54a28f344ef61026560b58a5868312159c26252da513855de55092ca9aafab8
content hash: ba6e69c80ecfb70c77dc38434cb7dffec7bec1291140e756271fefc4399652c5
signed: 2026-09-27T19:01:51.810Z
sources: 22 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

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