What is Koppers Holdings's change in inventories?

Koppers Holdings (KOP) reported change in inventories of -$17.8M in Q1 2026.

How has Koppers Holdings's change in inventories changed year-over-year?

Koppers Holdings's change in inventories decreased by 345.0% year-over-year, from -$4M to -$17.8M.

What does change in inventories mean?

Increase or decrease in inventory levels, directly affecting operating cash flow and working capital.

Koppers Holdings KOP Change in Inventories

Change in Inventories at other companies

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$8M-89.2%

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-$2M-125%

InnospecIOSP

-$5.9M-189%

IngevityNGVT

$24.5M+87.0%

The Greenbrier CompaniesGBX

-$43.6M+11.7%

Perimeter SolutionsPRM

$3.1M+244%

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

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Operating cash flow$46.3M+304%

CapEx$11.4M-20.3%

Free cash flow$34.9M+194%

Valuation

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Market cap$859.66M+37.3%

Enterprise value$1.84B+10.7%

P/E11.2×—

P/S0.5×+0.2×

Profitability

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Gross margin22.8%+1.7pp

Operating margin8.7%+1.8pp

Net margin4.1%—

FCF margin7.4%—

Returns & leverage

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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:IncreaseDecreaseInInventories.

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 change in inventories?: Koppers Holdings (KOP) reported change in inventories of -$17.8M in Q1 2026.
How has Koppers Holdings's change in inventories changed year-over-year?: Koppers Holdings's change in inventories decreased by 345.0% year-over-year, from -$4M to -$17.8M.
What does change in inventories mean?: Increase or decrease in inventory levels, directly affecting operating cash flow and working capital.