Unrecognized Tax Benefits of KAISER ALUMINUM CORP from 31 Dec 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
KAISER ALUMINUM CORP quarterly Unrecognized Tax Benefits in USD history and change rate from 31 Dec 2010 to 31 Dec 2025.
  • KAISER ALUMINUM CORP Unrecognized Tax Benefits for the quarter ending 31 Dec 2025 was $7,400,000, a 7.2% increase year-over-year.
Source SEC data
View on sec.gov
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Change (%)

KAISER ALUMINUM CORP Quarterly Unrecognized Tax Benefits (USD)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 $7,400,000 +$500,000 +7.2% 31 Dec 2025 10-K 19 Feb 2026 2025 FY
Q3 2025 $7,700,000 +$500,000 +6.9% 30 Sep 2025 10-Q 23 Oct 2025 2025 Q3
Q2 2025 $7,800,000 +$600,000 +8.3% 30 Jun 2025 10-Q 24 Jul 2025 2025 Q2
Q1 2025 $7,700,000 +$200,000 +2.7% 31 Mar 2025 10-Q 24 Apr 2025 2025 Q1
Q4 2024 $6,900,000 +$400,000 +6.2% 31 Dec 2024 10-K 19 Feb 2026 2025 FY
Q3 2024 $7,200,000 +$900,000 +14% 30 Sep 2024 10-Q 24 Oct 2024 2024 Q3
Q2 2024 $7,200,000 +$1,200,000 +20% 30 Jun 2024 10-Q 26 Jul 2024 2024 Q2
Q1 2024 $7,500,000 +$2,000,000 +36% 31 Mar 2024 10-Q 25 Apr 2024 2024 Q1
Q4 2023 $6,500,000 +$1,500,000 +30% 31 Dec 2023 10-K 19 Feb 2026 2025 FY
Q3 2023 $6,300,000 +$1,300,000 +26% 30 Sep 2023 10-Q 26 Oct 2023 2023 Q3
Q2 2023 $6,000,000 +$1,300,000 +28% 30 Jun 2023 10-Q 28 Jul 2023 2023 Q2
Q1 2023 $5,500,000 +$900,000 +20% 31 Mar 2023 10-Q 28 Apr 2023 2023 Q1
Q4 2022 $5,000,000 +$900,000 +22% 31 Dec 2022 10-K 19 Feb 2026 2025 FY
Q3 2022 $5,000,000 +$900,000 +22% 30 Sep 2022 10-Q 25 Oct 2022 2022 Q3
Q2 2022 $4,700,000 +$700,000 +18% 30 Jun 2022 10-Q 28 Jul 2022 2022 Q2
Q1 2022 $4,600,000 +$600,000 +15% 31 Mar 2022 10-Q 25 Apr 2022 2022 Q1
Q4 2021 $4,100,000 +$300,000 +7.9% 31 Dec 2021 10-K 20 Feb 2025 2024 FY
Q3 2021 $4,100,000 +$200,000 +5.1% 30 Sep 2021 10-Q 26 Oct 2021 2021 Q3
Q2 2021 $4,000,000 +$100,000 +2.6% 30 Jun 2021 10-Q 26 Jul 2021 2021 Q2
Q1 2021 $4,000,000 +$100,000 +2.6% 31 Mar 2021 10-Q 06 May 2021 2021 Q1
Q4 2020 $3,800,000 -$300,000 -7.3% 31 Dec 2020 10-K 23 Feb 2024 2023 FY
Q3 2020 $3,900,000 +$2,200,000 +129% 30 Sep 2020 10-Q 26 Oct 2020 2020 Q3
Q2 2020 $3,900,000 +$2,200,000 +129% 30 Jun 2020 10-Q 28 Jul 2020 2020 Q2
Q1 2020 $3,900,000 +$2,400,000 +160% 31 Mar 2020 10-Q 21 Apr 2020 2020 Q1
Q4 2019 $4,100,000 +$2,600,000 +173% 31 Dec 2019 10-K 24 Feb 2023 2022 FY
Q3 2019 $1,700,000 +$200,000 +13% 30 Sep 2019 10-Q 25 Oct 2019 2019 Q3
Q2 2019 $1,700,000 +$200,000 +13% 30 Jun 2019 10-Q 26 Jul 2019 2019 Q2
Q1 2019 $1,500,000 $0 0% 31 Mar 2019 10-Q 25 Apr 2019 2019 Q1
Q4 2018 $1,500,000 $0 0% 31 Dec 2018 10-K 01 Mar 2022 2021 FY
Q3 2018 $1,500,000 $0 0% 30 Sep 2018 10-Q 25 Oct 2018 2018 Q3
Q2 2018 $1,500,000 $0 0% 30 Jun 2018 10-Q 27 Jul 2018 2018 Q2
Q1 2018 $1,500,000 31 Mar 2018 10-Q 01 May 2018 2018 Q1
Q4 2017 $1,500,000 -$300,000 -17% 31 Dec 2017 10-K 26 Feb 2021 2020 FY
Q3 2017 $1,500,000 -$300,000 -17% 30 Sep 2017 10-Q 27 Oct 2017 2017 Q3
Q2 2017 $1,500,000 -$200,000 -12% 30 Jun 2017 10-Q 28 Jul 2017 2017 Q2
Q4 2016 $1,800,000 +$100,000 +5.9% 31 Dec 2016 10-K 25 Feb 2020 2019 FY
Q3 2016 $1,800,000 +$200,000 +12% 30 Sep 2016 10-Q 25 Oct 2016 2016 Q3
Q2 2016 $1,700,000 +$100,000 +6.2% 30 Jun 2016 10-Q 27 Jul 2016 2016 Q2
Q1 2016 $1,700,000 -$400,000 -19% 31 Mar 2016 10-Q 22 Apr 2016 2016 Q1
Q4 2015 $1,700,000 -$500,000 -23% 31 Dec 2015 10-K 22 Feb 2019 2018 FY
Q3 2015 $1,600,000 -$2,100,000 -57% 30 Sep 2015 10-Q 22 Oct 2015 2015 Q3
Q2 2015 $1,600,000 -$2,200,000 -58% 30 Jun 2015 10-Q 23 Jul 2015 2015 Q2
Q1 2015 $2,100,000 -$1,600,000 -43% 31 Mar 2015 10-Q 30 Apr 2015 2015 Q1
Q4 2014 $2,200,000 -$1,600,000 -42% 31 Dec 2014 10-K 23 Feb 2018 2017 FY
Q3 2014 $3,700,000 -$3,200,000 -46% 30 Sep 2014 10-Q 24 Oct 2014 2014 Q3
Q2 2014 $3,800,000 -$4,800,000 -56% 30 Jun 2014 10-Q 24 Jul 2014 2014 Q2
Q1 2014 $3,700,000 -$5,100,000 -58% 31 Mar 2014 10-Q 25 Apr 2014 2014 Q1
Q4 2013 $3,800,000 -$11,900,000 -76% 31 Dec 2013 10-K 22 Feb 2017 2016 FY
Q3 2013 $6,900,000 -$7,400,000 -52% 30 Sep 2013 10-Q 23 Oct 2013 2013 Q3
Q2 2013 $8,600,000 -$5,100,000 -37% 30 Jun 2013 10-Q 25 Jul 2013 2013 Q2
Q1 2013 $8,800,000 -$5,200,000 -37% 31 Mar 2013 10-Q 24 Apr 2013 2013 Q1
Q4 2012 $15,700,000 +$2,000,000 +15% 31 Dec 2012 10-K 22 Feb 2016 2015 FY
Q3 2012 $14,300,000 +$500,000 +3.6% 30 Sep 2012 10-Q 25 Oct 2012 2012 Q3
Q2 2012 $13,700,000 -$1,900,000 -12% 30 Jun 2012 10-Q 26 Jul 2012 2012 Q2
Q1 2012 $14,000,000 31 Mar 2012 8-K 23 Jul 2012 2012 Q1
Q4 2011 $13,700,000 -$1,300,000 -8.7% 31 Dec 2011 10-K 20 Feb 2015 2014 FY
Q3 2011 $13,800,000 30 Sep 2011 10-Q 27 Oct 2011 2011 Q3
Q2 2011 $15,600,000 30 Jun 2011 10-Q 02 Aug 2011 2011 Q2
Q4 2010 $15,000,000 31 Dec 2010 10-K 18 Feb 2014 2013 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.