Companies: 10,795·Total market cap: $144.5T
Koppers Holdings Inc.

Koppers Holdings Inc.

KOPNYSEBasic Materials● Active
$41.22
+$0.41(+1.00%)
Market Cap$792735868
P/E Ratio—
52W High$46.4
52W Low$25
EmployeesOwnershipInsider Trades

Koppers Holdings Inc. (KOP) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · KOP · as of Feb 26, 2026

Latest filing snapshot

425
-35-7.61%vs prior year

Koppers Holdings Inc. (KOP) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-12-31·Full-time · Global
Total Employees
425
Change (1Y)
-35
Growth % (1Y)
-7.61%
Revenue / Employee
$4.42M
Net Income / Employee
$131.8K
Market Cap
$793M

KOP Employee Count

2005 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing DateEmployeesChange (1Y)Growth (1Y)SEC filing link
2026-02-26425-35-7.61%
2025-02-27460-1,648-78.18%
2024-02-282,108-11-0.52%
2023-02-272,119+31+1.48%
2022-02-232,088+27+1.31%
2021-02-242,061-59-2.78%
2020-02-272,120-109-4.89%
2019-03-012,229+429+23.83%
2018-02-271,800-53-2.86%
2017-02-241,853-289-13.49%

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Chemicals - Specialty
#SymbolCompanyEmployees
#1
AdvanSix Inc.
ASIX
AdvanSix Inc.
1,450#2
Koppers Holdings Inc.
KOP
Koppers Holdings Inc.YOU
425#3
Integra Resources Corp.
ITRG
Integra Resources Corp.
305#4
Hudson Technologies, Inc.
HDSN
Hudson Technologies, Inc.
238#5
Gevo, Inc.
GEVO
Gevo, Inc.
122#6
EMX Royalty Corporation
EMX
EMX Royalty Corporation
49#7
Aduro Clean Technologies Inc.
ADUR
Aduro Clean Technologies Inc.
25
Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · KOP peer comparison

About KOP employees

KOP Employees · Headcount

Koppers Holdings Inc. (KOP) employee data is sourced from the annual SEC 10-K filing. As of 2025, Koppers Holdings Inc. had 425 full-time employees globally. Full-time employees only. Global consolidated headcount.

Koppers Holdings Inc. employs 425 full-time employees as of the latest filing within the Chemicals - Specialty industry. Revenue per employee stands at $4.42M, reflecting the company's operational efficiency.

Koppers Holdings Inc.'s workforce decreased by 35 (7.61%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Koppers Holdings Inc.'s revenue per employee of $4.42M positions it among the notable performers in the Chemicals - Specialty sector for operational efficiency.

RevenueFinancial statementsNet incomeSEC filingsPrice historyForecast & ratingsOwnershipEarnings

Frequently Asked Questions

KOP Employees · 5 questions

As of the latest SEC 10-K filing (2025), Koppers Holdings Inc. had 425 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Koppers Holdings Inc. employee counthow many employees does Koppers Holdings Inc. haveKOP total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-26