Koppers Holdings (KOP) Operating Margin (2009 - 2025)

Koppers Holdings has disclosed Operating Margin across 17 years of filings, most recently posting 11.53% for Q4 2025.

• Operating Margin for Q4 2025 came in at 11.53%, up 1019.0% year-over-year; the trailing twelve-month figure through Dec 2025 was 8.93% (up 185.0% YoY), and the FY2025 annual result was 8.93%, up 185.0% from the prior year.
• Operating Margin came in at 11.53% for Q4 2025 at Koppers Holdings, up from 10.67% in the prior quarter.
• In the past five years, Operating Margin ranged from a high of 11.53% in Q4 2025 to a low of 1.34% in Q4 2024.
• The 5-year median for Operating Margin is 8.64% (2022), against an average of 8.23%.
• Across the five-year window, Operating Margin sank 760 bps in 2021 and soared 1019 bps in 2025, its largest moves.
• Koppers Holdings' Operating Margin stood at 10.78% in 2021, then tumbled by 47 bps to 5.72% in 2022, then climbed by 27 bps to 7.25% in 2023, then slumped by 81 bps to 1.34% in 2024, then surged by 760 bps to 11.53% in 2025.
• The last three Operating Margin figures came in at 11.53% (Q4 2025), 10.67% (Q3 2025), and 7.75% (Q2 2025), per Business Quant data.