Unrecognized Tax Benefits of Ultra Clean Holdings, Inc. from 01 Jan 2010 to 26 Dec 2025

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
Ultra Clean Holdings, Inc. quarterly Unrecognized Tax Benefits in USD history and change rate from 01 Jan 2010 to 26 Dec 2025.
  • Ultra Clean Holdings, Inc. Unrecognized Tax Benefits for the quarter ending 26 Dec 2025 was $5,600,000, a 143% increase year-over-year.
Source SEC data
View on sec.gov
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Change (%)

Ultra Clean Holdings, Inc. Quarterly Unrecognized Tax Benefits (USD)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 $5,600,000 +$3,300,000 +143% 26 Dec 2025 10-K 23 Feb 2026 2025 FY
Q3 2025 $5,200,000 +$2,100,000 +68% 26 Sep 2025 10-Q 29 Oct 2025 2025 Q3
Q2 2025 $5,000,000 +$1,900,000 +61% 27 Jun 2025 10-Q 29 Jul 2025 2025 Q2
Q1 2025 $2,400,000 -$500,000 -17% 28 Mar 2025 10-Q 29 Apr 2025 2025 Q1
Q4 2024 $2,300,000 -$600,000 -21% 27 Dec 2024 10-K 23 Feb 2026 2025 FY
Q3 2024 $3,100,000 +$400,000 +15% 27 Sep 2024 10-Q 30 Oct 2024 2024 Q3
Q2 2024 $3,100,000 +$400,000 +15% 28 Jun 2024 10-Q 26 Jul 2024 2024 Q2
Q1 2024 $2,900,000 +$200,000 +7.4% 29 Mar 2024 10-Q 29 Apr 2025 2025 Q1
Q4 2023 $2,900,000 +$200,000 +7.4% 29 Dec 2023 10-K 23 Feb 2026 2025 FY
Q3 2023 $2,700,000 +$1,000,000 +59% 29 Sep 2023 10-Q 30 Oct 2024 2024 Q3
Q2 2023 $2,700,000 +$1,000,000 +59% 30 Jun 2023 10-Q 26 Jul 2024 2024 Q2
Q1 2023 $2,700,000 +$1,000,000 +59% 31 Mar 2023 10-Q 06 May 2024 2024 Q1
Q4 2022 $2,700,000 +$1,100,000 +69% 30 Dec 2022 10-K 23 Feb 2026 2025 FY
Q3 2022 $1,700,000 +$300,000 +21% 30 Sep 2022 10-Q 07 Nov 2023 2023 Q3
Q2 2022 $1,700,000 +$400,000 +31% 01 Jul 2022 10-Q 11 Aug 2023 2023 Q3
Q1 2022 $1,700,000 +$700,000 +70% 01 Apr 2022 10-Q 05 May 2023 2023 Q3
Q4 2021 $1,600,000 +$700,000 +78% 31 Dec 2021 10-K 25 Feb 2025 2024 FY
Q3 2021 $1,400,000 +$400,000 +40% 24 Sep 2021 10-Q 09 Nov 2022 2022 Q3
Q2 2021 $1,300,000 +$300,000 +30% 25 Jun 2021 10-Q 09 Aug 2022 2022 Q2
Q1 2021 $1,000,000 $0 0% 26 Mar 2021 10-Q 10 May 2022 2022 Q1
Q4 2020 $900,000 -$100,000 -10% 25 Dec 2020 10-K 06 Mar 2024 2023 FY
Q3 2020 $1,000,000 $0 0% 25 Sep 2020 10-Q 03 Nov 2021 2021 Q3
Q2 2020 $1,000,000 $0 0% 26 Jun 2020 10-Q 04 Aug 2021 2021 Q2
Q1 2020 $1,000,000 $0 0% 27 Mar 2020 10-Q 05 May 2021 2021 Q1
Q4 2019 $1,000,000 $0 0% 27 Dec 2019 10-K 28 Feb 2023 2022 FY
Q3 2019 $1,000,000 $0 0% 27 Sep 2019 10-Q 04 Nov 2020 2020 Q3
Q2 2019 $1,000,000 +$700,000 +233% 28 Jun 2019 10-Q 03 Aug 2020 2020 Q2
Q1 2019 $1,000,000 +$700,000 +233% 29 Mar 2019 10-Q 06 May 2020 2020 Q1
Q4 2018 $1,000,000 +$700,000 +233% 28 Dec 2018 10-K 01 Mar 2022 2020 FY
Q3 2018 $1,000,000 +$700,000 +233% 28 Sep 2018 10-Q 05 Nov 2019 2019 Q3
Q2 2018 $300,000 $0 0% 29 Jun 2018 10-Q 07 Aug 2019 2019 Q2
Q1 2018 $300,000 $0 0% 30 Mar 2018 10-Q 08 May 2019 2019 Q1
Q4 2017 $300,000 +$2,000 +0.67% 29 Dec 2017 10-K 23 Feb 2021 2020 FY
Q3 2017 $300,000 -$100,000 -25% 29 Sep 2017 10-Q 07 Nov 2018 2018 Q3
Q2 2017 $300,000 $0 0% 30 Jun 2017 10-Q 08 Aug 2018 2018 Q2
Q1 2017 $300,000 $0 0% 31 Mar 2017 10-Q 09 May 2018 2018 Q1
Q4 2016 $298,000 -$39,000 -12% 30 Dec 2016 10-K 22 Mar 2019 2018 FY
Q3 2016 $400,000 +$70,000 +21% 23 Sep 2016 10-Q 08 Nov 2017 2017 Q3
Q2 2016 $300,000 -$25,000 -7.7% 24 Jun 2016 10-Q 09 Aug 2017 2017 Q2
Q1 2016 $300,000 -$74,000 -20% 25 Mar 2016 10-Q 10 May 2017 2017 Q1
Q4 2015 $337,000 -$19,000 -5.3% 25 Dec 2015 10-K 14 Mar 2018 2017 FY
Q3 2015 $330,000 -$15,000 -4.3% 25 Sep 2015 10-Q 01 Nov 2016 2016 Q3
Q2 2015 $325,000 +$19,000 +6.2% 26 Jun 2015 10-Q 03 Aug 2016 2016 Q2
Q1 2015 $374,000 +$199,000 +114% 27 Mar 2015 10-Q 02 May 2016 2016 Q1
Q4 2014 $356,000 +$191,000 +116% 26 Dec 2014 10-K 15 Mar 2017 2016 FY
Q3 2014 $345,000 +$258,000 +297% 26 Sep 2014 10-Q 04 Nov 2015 2015 Q3
Q2 2014 $306,000 +$219,000 +252% 27 Jun 2014 10-Q 05 Aug 2015 2015 Q2
Q1 2014 $175,000 +$66,000 +61% 28 Mar 2014 10-Q 04 May 2015 2015 Q1
Q4 2013 $165,000 +$56,000 +51% 27 Dec 2013 10-K 09 Mar 2016 2015 FY
Q3 2013 $87,000 -$24,000 -22% 27 Sep 2013 10-Q 03 Nov 2014 2014 Q3
Q2 2013 $87,000 -$67,000 -44% 28 Jun 2013 10-Q 04 Aug 2014 2014 Q2
Q1 2013 $109,000 -$28,000 -20% 29 Mar 2013 10-Q 05 May 2014 2014 Q1
Q4 2012 $109,000 -$23,000 -17% 28 Dec 2012 10-K 11 Mar 2015 2014 FY
Q3 2012 $111,000 +$111,000 28 Sep 2012 10-Q 01 Nov 2013 2013 Q3
Q2 2012 $154,000 29 Jun 2012 10-Q 02 Aug 2013 2013 Q2
Q1 2012 $137,000 30 Mar 2012 10-Q 03 May 2013 2013 Q1
Q4 2011 $132,000 +$93,000 +238% 30 Dec 2011 10-K 12 Mar 2014 2013 FY
Q3 2011 $0 30 Sep 2011 10-Q 07 Nov 2012 2012 Q3
Q4 2010 $39,000 -$881,000 -96% 31 Dec 2010 10-K/A 14 Mar 2013 2012 FY
Q4 2009 $920,000 01 Jan 2010 10-K/A 14 Mar 2013 2012 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.