Unrecognized Tax Benefits in USD of Altair Engineering Inc. from Q4 2014 to Q4 2024

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
Altair Engineering Inc. quarterly Unrecognized Tax Benefits history and change rate from Q4 2014 to Q4 2024.
  • Altair Engineering Inc. Unrecognized Tax Benefits for the quarter ending 31 Dec 2024 was $33M, a 13.8% decline year-over-year.
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Change (%)

Altair Engineering Inc. Quarterly Unrecognized Tax Benefits (USD)

Period Value YoY Chg Change % Date Report Filed
Q4 2024 $33M -$5.27M -13.8% 31 Dec 2024 10-K 20 Feb 2025
Q4 2023 $38.2M +$9.24M +31.9% 31 Dec 2023 10-K 20 Feb 2025
Q4 2022 $29M +$12.6M +76.9% 31 Dec 2022 10-K 20 Feb 2025
Q4 2021 $16.4M +$8.07M +97.1% 31 Dec 2021 10-K 20 Feb 2025
Q4 2020 $8.31M -$3.8M -31.4% 31 Dec 2020 10-K 22 Feb 2024
Q4 2019 $12.1M -$1.63M -11.9% 31 Dec 2019 10-K 24 Feb 2023
Q4 2018 $13.7M +$7.59M +123% 31 Dec 2018 10-K 28 Feb 2022
Q4 2017 $6.16M +$553K +9.87% 31 Dec 2017 10-K 26 Feb 2021
Q4 2016 $5.6M +$299K +5.64% 31 Dec 2016 10-K 02 Mar 2020
Q4 2015 $5.31M +$593K +12.6% 31 Dec 2015 10-K 01 Mar 2019
Q4 2014 $4.71M 31 Dec 2014 10-K 21 Mar 2018
* An asterisk sign (*) next to the value indicates that the value is likely invalid.