Koppers Holdings Inc. (KOP) stock
KOPNYSELumber & Wood Products (No Furniture)Fiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 6, 2026Score 9/3046% below fair value
$31.16−0.54 (-1.70%)
Close on Nov 13, 2026Market cap $589.28MP/E –Yield 1.03%
Koppers gross margin
Gross margin is gross profit as a percentage of revenue.
Koppers's gross margin for the twelve months ending Sep 30, 2026 was 21.3%. For fiscal 2025 it was 23.8%, against 20.2% the year before. The highest annual figure on record is 23.8% in fiscal 2025.
Annual gross margin
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| FY2025 | Dec 31, 2025 | 23.8% | +3.6 |
| FY2024 | Dec 31, 2024 | 20.2% | +0.5 |
| FY2023 | Dec 31, 2023 | 19.7% | +2.3 |
| FY2022 | Dec 31, 2022 | 17.4% | −2.5 |
| FY2021 | Dec 31, 2021 | 19.9% | −1.7 |
| FY2020 | Dec 31, 2020 | 21.6% | +1.4 |
| FY2019 | Dec 31, 2019 | 20.2% | +0.9 |
| FY2018 | Dec 31, 2018 | 19.3% | −2.5 |
| FY2017 | Dec 31, 2017 | 21.8% | +1.4 |
| FY2016 | Dec 31, 2016 | 20.5% | +4.5 |
| FY2015 | Dec 31, 2015 | 16.0% | +2.4 |
| FY2014 | Dec 31, 2014 | 13.6% | −0.9 |
| FY2013 | Dec 31, 2013 | 14.4% | −0.4 |
| FY2012 | Dec 31, 2012 | 14.8% | −0.5 |
| FY2011 | Dec 31, 2011 | 15.3% | −0.4 |
| FY2010 | Dec 31, 2010 | 15.7% | −0.1 |
| FY2009 | Dec 31, 2009 | 15.8% | −0.7 |
| FY2008 | Dec 31, 2008 | 16.5% | – |
Quarterly gross margin
Change is against the same quarter a year earlier.
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| Q3 FY2026 | Sep 30, 2026 | 19.9% | −4.2 |
| Q2 FY2026 | Jun 30, 2026 | 21.0% | −1.7 |
| Q1 FY2026 | Mar 31, 2026 | 19.0% | −4.2 |
| Q4 FY2025 | Dec 31, 2025 | 25.6% | +8.1 |
| Q3 FY2025 | Sep 30, 2025 | 24.1% | +2.2 |
| Q2 FY2025 | Jun 30, 2025 | 22.6% | +1.0 |
| Q1 FY2025 | Mar 31, 2025 | 23.2% | +3.8 |
| Q4 FY2024 | Dec 31, 2024 | 17.5% | −1.3 |
| Q3 FY2024 | Sep 30, 2024 | 21.9% | +1.6 |
| Q2 FY2024 | Jun 30, 2024 | 21.6% | +2.1 |
| Q1 FY2024 | Mar 31, 2024 | 19.3% | −0.9 |
| Q4 FY2023 | Dec 31, 2023 | 18.8% | +3.0 |
| Q3 FY2023 | Sep 30, 2023 | 20.2% | +2.3 |
| Q2 FY2023 | Jun 30, 2023 | 19.5% | +3.0 |
| Q1 FY2023 | Mar 31, 2023 | 20.3% | +0.9 |
| Q4 FY2022 | Dec 31, 2022 | 15.8% | −2.2 |
| Q3 FY2022 | Sep 30, 2022 | 18.0% | +0.1 |
| Q2 FY2022 | Jun 30, 2022 | 16.5% | −5.5 |
| Q1 FY2022 | Mar 31, 2022 | 19.4% | −2.3 |
| Q4 FY2021 | Dec 31, 2021 | 18.0% | −4.7 |
| Q3 FY2021 | Sep 30, 2021 | 17.9% | −6.7 |
| Q2 FY2021 | Jun 30, 2021 | 22.0% | −1.3 |
| Q1 FY2021 | Mar 31, 2021 | 21.6% | +6.3 |
| Q4 FY2020 | Dec 31, 2020 | 22.7% | +0.8 |
| Q3 FY2020 | Sep 30, 2020 | 24.6% | +4.3 |
| Q2 FY2020 | Jun 30, 2020 | 23.3% | +2.5 |
| Q1 FY2020 | Mar 31, 2020 | 15.3% | −4.6 |
| Q4 FY2019 | Dec 31, 2019 | 21.9% | −22.4 |
| Q3 FY2019 | Sep 30, 2019 | 20.3% | +1.5 |
| Q2 FY2019 | Jun 30, 2019 | 20.9% | +1.8 |
| Q1 FY2019 | Mar 31, 2019 | 19.9% | −3.4 |
| Q4 FY2018 | Dec 31, 2018 | 44.3% | +23.6 |
| Q3 FY2018 | Sep 30, 2018 | 18.7% | −5.0 |
| Q2 FY2018 | Jun 30, 2018 | 19.1% | −3.0 |
| Q1 FY2018 | Mar 31, 2018 | 23.3% | +2.6 |
| Q4 FY2017 | Dec 31, 2017 | 20.7% | −2.8 |
| Q3 FY2017 | Sep 30, 2017 | 23.7% | – |
| Q2 FY2017 | Jun 30, 2017 | 22.1% | – |
| Q1 FY2017 | Mar 31, 2017 | 20.7% | – |
| Q4 FY2016 | Dec 31, 2016 | 23.4% | – |
See a number that looks wrong?