Unrecognized Tax Benefits of Amphastar Pharmaceuticals, Inc. from 31 Dec 2012 to 31 Dec 2025

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
Amphastar Pharmaceuticals, Inc. quarterly Unrecognized Tax Benefits in USD history and change rate from 31 Dec 2012 to 31 Dec 2025.
  • Amphastar Pharmaceuticals, Inc. Unrecognized Tax Benefits for the quarter ending 31 Dec 2025 was $14,315,000, a 4.2% increase year-over-year.
Source SEC data
View on sec.gov
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Change (%)

Amphastar Pharmaceuticals, Inc. Quarterly Unrecognized Tax Benefits (USD)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 $14,315,000 +$577,000 +4.2% 31 Dec 2025 10-K 26 Feb 2026 2025 FY
Q4 2024 $13,738,000 +$1,245,000 +10% 31 Dec 2024 10-K 26 Feb 2026 2025 FY
Q4 2023 $12,493,000 -$402,000 -3.1% 31 Dec 2023 10-K 26 Feb 2026 2025 FY
Q4 2022 $12,895,000 +$1,099,000 +9.3% 31 Dec 2022 10-K 26 Feb 2026 2025 FY
Q4 2021 $11,796,000 +$1,743,000 +17% 31 Dec 2021 10-K 03 Mar 2025 2024 FY
Q4 2020 $10,053,000 +$1,722,000 +21% 31 Dec 2020 10-K 29 Feb 2024 2023 FY
Q4 2019 $8,331,000 +$1,337,000 +19% 31 Dec 2019 10-K 01 Mar 2023 2022 FY
Q4 2018 $6,994,000 -$444,000 -6% 31 Dec 2018 10-K 11 Mar 2022 2021 FY
Q4 2017 $7,438,000 +$752,000 +11% 31 Dec 2017 10-K 15 Mar 2021 2020 FY
Q4 2016 $6,686,000 +$1,091,000 +20% 31 Dec 2016 10-K 16 Mar 2020 2019 FY
Q4 2015 $5,595,000 +$812,000 +17% 31 Dec 2015 10-K 15 Mar 2019 2018 FY
Q4 2014 $4,783,000 +$597,000 +14% 31 Dec 2014 10-K 14 Mar 2018 2017 FY
Q4 2013 $4,186,000 +$654,000 +19% 31 Dec 2013 10-K 15 Mar 2017 2016 FY
Q4 2012 $3,532,000 31 Dec 2012 10-K 15 Mar 2016 2015 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.