Every figure on this page comes from documents Koppers Holdings Inc. Common Stock filed with the exchange, and each one was checked against the document itself before publication. What could not be verified is not here.
| Quarter | Revenue | YoY | Net profit | YoY | Net margin |
|---|---|---|---|---|---|
| Jun 2026 | $520 mn | +3.0% | $-148 mn | -999.4% | -28.4% |
| Mar 2026 | $455 mn | -0.3% | $7 mn | +151.1% | 1.6% |
| Dec 2025 | $433 mn | -9.3% | $30 mn | +391.2% | 6.9% |
| Sep 2025 | $485 mn | -12.4% | $24 mn | +4.4% | 4.9% |
| Jun 2025 | $505 mn | -10.4% | $16 mn | -38.8% | 3.2% |
| Mar 2025 | $456 mn | -8.3% | $-14 mn | -206.9% | -3.0% |
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Start free — first week on us →Data from documents filed with the exchanges, checked against the documents themselves. This page states facts and is not investment advice or a recommendation. Investment in securities markets is subject to market risks. Research on this site is produced with substantial use of AI and verified against filed documents. Terms, disclosures and grievances