Koppers Holdings (KOP) Change in Inventory (2009 - 2025)

Koppers Holdings has disclosed Change in Inventory across 17 years of filings, most recently posting $3.5 million for Q4 2025.

• Change in Inventory for Q4 2025 came in at $3.5 million, down 68.18% year-over-year; the trailing twelve-month figure through Dec 2025 was -$10.4 million (down 265.08% YoY), and the FY2025 annual result was -$10.4 million, down 265.08% from the prior year.
• Change in Inventory came in at $3.5 million for Q4 2025 at Koppers Holdings, up from -$4.4 million in the prior quarter.
• In the past five years, Change in Inventory ranged from a high of $36.0 million in Q4 2022 to a low of -$13.8 million in Q3 2022.
• The 5-year median for Change in Inventory is $3.5 million (2025), against an average of $5.2 million.
• Across the five-year window, Change in Inventory jumped 496.0% in 2021 and plunged 300.0% in 2024, its largest moves.
• Koppers Holdings' Change in Inventory stood at $20.1 million in 2021, then surged by 79.1% to $36.0 million in 2022, then plunged by 43.33% to $20.4 million in 2023, then sank by 46.08% to $11.0 million in 2024, then slumped by 68.18% to $3.5 million in 2025.
• The last three Change in Inventory figures came in at $3.5 million (Q4 2025), -$4.4 million (Q3 2025), and -$5.5 million (Q2 2025), per Business Quant data.