Deferred Tax Assets, Valuation Allowance of Koppers Holdings Inc. from 31 Dec 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: USD
Description
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.
Summary
Koppers Holdings Inc. quarterly Deferred Tax Assets, Valuation Allowance in USD history and change rate from 31 Dec 2010 to 31 Dec 2025.
  • Koppers Holdings Inc. Deferred Tax Assets, Valuation Allowance for the quarter ending 31 Dec 2025 was $42,000,000, a 9.9% decline year-over-year.
Source SEC data
View on sec.gov
Deferred Tax Assets, Valuation Allowance, Quarterly (USD)
Deferred Tax Assets, Valuation Allowance, YoY Quarterly Change (%)

Koppers Holdings Inc. Quarterly Deferred Tax Assets, Valuation Allowance (USD)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 $42,000,000 -$4,600,000 -9.9% 31 Dec 2025 10-K 26 Feb 2026 2025 FY
Q4 2024 $46,600,000 +$3,500,000 +8.1% 31 Dec 2024 10-K 26 Feb 2026 2025 FY
Q4 2023 $43,100,000 -$700,000 -1.6% 31 Dec 2023 10-K 27 Feb 2025 2024 FY
Q4 2022 $43,800,000 -$700,000 -1.6% 31 Dec 2022 10-K 28 Feb 2024 2023 FY
Q4 2021 $44,500,000 -$100,000 -0.22% 31 Dec 2021 10-K 27 Feb 2023 2022 FY
Q4 2020 $44,600,000 -$13,400,000 -23% 31 Dec 2020 10-K 23 Feb 2022 2021 FY
Q4 2019 $58,000,000 -$1,900,000 -3.2% 31 Dec 2019 10-K 24 Feb 2021 2020 FY
Q4 2018 $59,900,000 +$15,400,000 +35% 31 Dec 2018 10-K 27 Feb 2020 2019 FY
Q4 2017 $44,500,000 +$4,300,000 +11% 31 Dec 2017 10-K 01 Mar 2019 2018 FY
Q4 2016 $40,200,000 -$1,700,000 -4.1% 31 Dec 2016 10-K 27 Feb 2018 2017 FY
Q4 2015 $41,900,000 +$9,500,000 +29% 31 Dec 2015 10-K 24 Feb 2017 2016 FY
Q4 2014 $32,400,000 +$12,700,000 +64% 31 Dec 2014 10-K 29 Feb 2016 2015 FY
Q4 2013 $19,700,000 +$2,300,000 +13% 31 Dec 2013 10-K 02 Mar 2015 2014 FY
Q4 2012 $17,400,000 +$7,200,000 +71% 31 Dec 2012 10-K 03 Mar 2014 2013 FY
Q4 2011 $10,200,000 -$1,200,000 -11% 31 Dec 2011 10-K 25 Feb 2013 2012 FY
Q4 2010 $11,400,000 31 Dec 2010 8-K 27 Jun 2012 2012 Q1
* An asterisk sign (*) next to the value indicates that the value is likely invalid.