Koppers Holdings Inc. Operating Income Loss

• Koppers Holdings Inc. showed an increase of +13.2% in Operating Income Loss from 2024 to 2025.
• This data is from Koppers Holdings Inc.'s annual report (Form 10-K), filed with the SEC on February 26, 2026.
• XBRL data for this metric is available from 2008 to 2025 (18 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
• Over the full 18 years of available data (2008 to 2025), Koppers Holdings Inc.'s Operating Income Loss has grown by 28.9%.
• Historical annual values: Fiscal year 2025: $167.80 million | Fiscal year 2024: $148.20 million | Fiscal year 2023: $195.20 million | Fiscal year 2022: $137.70 million | Fiscal year 2021: $156.50 million | Fiscal year 2020: $156.70 million | Fiscal year 2019: $125.00 million | Fiscal year 2018: $84.40 million | Fiscal year 2017: $123.60 million | Fiscal year 2016: $93.40 million | Fiscal year 2015: -$29.60 million | Fiscal year 2014: $33.20 million | Fiscal year 2013: $100.30 million | Fiscal year 2012: $126.60 million | Fiscal year 2011: $122.70 million | Fiscal year 2010: $98.10 million | Fiscal year 2009: $94.90 million | Fiscal year 2008: $130.20 million.
• Data sourced from SEC EDGAR public filings as of June 22, 2026.

Last verified: June 22, 2026