Unrecognized Tax Benefits of ADTRAN Holdings, Inc. from 31 Dec 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
ADTRAN Holdings, Inc. quarterly Unrecognized Tax Benefits in USD history and change rate from 31 Dec 2010 to 31 Dec 2025.
  • ADTRAN Holdings, Inc. Unrecognized Tax Benefits for the quarter ending 31 Dec 2025 was $252,000, unchanged year-over-year.
Source SEC data
View on sec.gov
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Change (%)

ADTRAN Holdings, Inc. Quarterly Unrecognized Tax Benefits (USD)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 $252,000 $0 0% 31 Dec 2025 10-K 26 Feb 2026 2025 FY
Q4 2024 $252,000 -$737,000 -75% 31 Dec 2024 10-K 26 Feb 2026 2025 FY
Q4 2023 $989,000 -$16,896,000 -94% 31 Dec 2023 10-K 26 Feb 2026 2025 FY
Q4 2022 $17,885,000 +$49,000 +0.28% 31 Dec 2022 10-K 26 Feb 2026 2025 FY
Q4 2021 $17,836,000 +$16,758,000 +1555% 31 Dec 2021 10-K/A 20 May 2025 2024 FY
Q3 2021 $18,178,000 30 Sep 2021 10-Q 05 Nov 2021 2021 Q3
Q4 2020 $1,078,000 -$409,000 -28% 31 Dec 2020 10-K 15 Mar 2024 2023 FY
Q4 2019 $1,487,000 -$381,000 -20% 31 Dec 2019 10-K/A 14 Aug 2023 2022 FY
Q4 2018 $1,868,000 -$498,000 -21% 31 Dec 2018 10-K 25 Feb 2022 2021 FY
Q4 2017 $2,366,000 +$140,000 +6.3% 31 Dec 2017 10-K 26 Feb 2021 2020 FY
Q4 2016 $2,226,000 -$311,000 -12% 31 Dec 2016 10-K 25 Feb 2020 2019 FY
Q4 2015 $2,537,000 -$797,000 -24% 31 Dec 2015 10-K 28 Feb 2019 2018 FY
Q4 2014 $3,334,000 +$94,000 +2.9% 31 Dec 2014 10-K 23 Feb 2018 2017 FY
Q4 2013 $3,240,000 +$314,000 +11% 31 Dec 2013 10-K 24 Feb 2017 2016 FY
Q4 2012 $2,926,000 -$44,000 -1.5% 31 Dec 2012 10-K 24 Feb 2016 2015 FY
Q4 2011 $2,970,000 +$377,000 +15% 31 Dec 2011 10-K 24 Feb 2015 2014 FY
Q4 2010 $2,593,000 31 Dec 2010 10-K 27 Feb 2014 2013 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.