Koppers Holdings (KOP) Debt to Equity (2009 - 2025)

Koppers Holdings has disclosed Debt to Equity across 17 years of filings, most recently posting $1.6 for Q4 2025.

• Debt to Equity for Q4 2025 came in at $1.6, down 15.91% year-over-year; the trailing twelve-month figure through Dec 2025 was $1.6 (down 15.91% YoY), and the FY2025 annual result was $1.6, down 15.91% from the prior year.
• Debt to Equity came in at $1.6 for Q4 2025 at Koppers Holdings, down from $1.69 in the prior quarter.
• In the past five years, Debt to Equity ranged from a high of $454.28 in Q4 2022 to a low of -$1567.0 in Q4 2021.
• The 5-year median for Debt to Equity is $1.93 (2024), against an average of -$53.92.
• Across the five-year window, Debt to Equity sank 9066.98% in 2021 and surged 128.99% in 2022, its largest moves.
• Koppers Holdings' Debt to Equity stood at -$1567.0 in 2021, then soared by 128.99% to $454.28 in 2022, then tumbled by 99.63% to $1.67 in 2023, then gained by 13.93% to $1.9 in 2024, then retreated by 15.91% to $1.6 in 2025.
• The last three Debt to Equity figures came in at $1.6 (Q4 2025), $1.69 (Q3 2025), and $1.84 (Q2 2025), per Business Quant data.