Ecovyst Inc. Quarterly Unrecognized Tax Benefits in USD from Q4 2015 to Q4 2024

Taxonomy & unit: us-gaap: USD
Description: Amount of unrecognized tax benefits.
Summary: Ecovyst Inc. quarterly Unrecognized Tax Benefits history and growth rate from Q4 2015 to Q4 2024.
Ecovyst Inc. Unrecognized Tax Benefits for the quarter ending December 31, 2024 was $87K, a 98.9% decline year-over-year.

Unrecognized Tax Benefits, Quarterly (USD)

Unrecognized Tax Benefits, YoY Quarterly Growth (%)

Period	Value	YoY Chg	Change %	Date	Report	Filed
Q4 2024	$87K	-$8.02M	-98.9%	Dec 31, 2024	10-K	2025-02-28
Q4 2023	$8.11M	+$323K	+4.15%	Dec 31, 2023	10-K	2025-02-28
Q4 2022	$7.79M	$0	0%	Dec 31, 2022	10-K	2025-02-28
Q4 2021	$7.79M	$0	0%	Dec 31, 2021	10-K	2024-02-29
Q4 2020	$7.79M	-$293K	-3.63%	Dec 31, 2020	10-K	2022-03-01
Q4 2019	$8.08M	-$846K	-9.48%	Dec 31, 2019	10-K	2022-03-01
Q4 2018	$8.93M	-$2.51M	-21.9%	Dec 31, 2018	8-K	2021-11-16
Q4 2017	$11.4M	-$4.7M	-29.1%	Dec 31, 2017	10-K	2020-02-27
Q4 2016	$16.1M	+$16.1M		Dec 31, 2016	10-K	2019-03-01
Q4 2015	$0			Dec 31, 2015	10-K	2018-03-22

* An asterisk sign (*) next to the value indicates that the value is likely invalid.