What is Koppers Holdings's interest expense?

Koppers Holdings (KOP) reported interest expense of $15M in Q1 2026.

How has Koppers Holdings's interest expense changed year-over-year?

Koppers Holdings's interest expense decreased by 9.6% year-over-year, from $16.6M to $15M.

What is the long-term trend for Koppers Holdings's interest expense?

Over 4 years (2021 to 2025), Koppers Holdings's interest expense has grown at a 13.0% compound annual growth rate (CAGR), from $40.5M to $66.1M.

What does interest expense mean?

Cost of borrowing — interest paid or accrued on bonds, bank loans, credit facilities, finance leases, and other debt obligations.

Koppers Holdings KOP Interest Expense

Interest Expense at other companies

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$69M+4.5%

WestlakeWLK

$56M+43.6%

Cabot CorporationCBT

$18M-5.3%

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$800K-66.7%

IngevityNGVT

-$15.9M+18.0%

Preformed Line ProductsPLPC

$232K-38.3%

Other financials

Income statement

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Revenue$455.3M-0.3%

Gross profit$86.6M-18.1%

Operating income$22.0M-18.5%

Net income$7.1M+151%

EPS (diluted)$0.35+151%

Balance sheet

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Cash & equivalents$42.8M+28.5%

Total debt$1.0B-4.3%

Total equity$549.5M+10.3%

Total assets$1.9B-0.6%

Cash flow

See full

Operating cash flow$46.3M+304%

CapEx$11.4M-20.3%

Free cash flow$34.9M+194%

Valuation

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Market cap$843.89M+37.3%

Enterprise value$1.82B+10.7%

P/E11×—

P/S0.5×+0.1×

Profitability

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Gross margin22.8%+1.7pp

Operating margin8.7%+1.8pp

Net margin4.1%—

FCF margin7.4%—

Returns & leverage

See full

Return on equity14.7%—

Debt / equity1.9×-0.3×

Current ratio2.7×+0.1×

Where this comes from

Reported directly by Koppers Holdings in its filing.

Tagged under the XBRL concept us-gaap:InterestExpenseNonoperating.

The official record: Koppers Holdings’s 10-Q, filed May 8, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Koppers Holdings's interest expense?: Koppers Holdings (KOP) reported interest expense of $15M in Q1 2026.
How has Koppers Holdings's interest expense changed year-over-year?: Koppers Holdings's interest expense decreased by 9.6% year-over-year, from $16.6M to $15M.
What is the long-term trend for Koppers Holdings's interest expense?: Over 4 years (2021 to 2025), Koppers Holdings's interest expense has grown at a 13.0% compound annual growth rate (CAGR), from $40.5M to $66.1M.
What does interest expense mean?: Cost of borrowing — interest paid or accrued on bonds, bank loans, credit facilities, finance leases, and other debt obligations.