Unrecognized Tax Benefits of Altimmune, Inc. from 31 Dec 2019 to 31 Dec 2025

Taxonomy & unit: us-gaap: USD
Description: Amount of unrecognized tax benefits.
Summary: Altimmune, Inc. quarterly Unrecognized Tax Benefits in USD history and change rate from 31 Dec 2019 to 31 Dec 2025.
Altimmune, Inc. Unrecognized Tax Benefits for the quarter ending 31 Dec 2025 was $0, a 100% decline year-over-year.
Source SEC data: View on sec.gov

Unrecognized Tax Benefits, Quarterly (USD)

Unrecognized Tax Benefits, YoY Quarterly Change (%)

Altimmune, Inc. Quarterly Unrecognized Tax Benefits (USD)

Period	Value	YoY Chg	Change %	Date	Report	Filed	Fiscal Year	Fiscal Period
Q4 2025	$0	-$711,000	-100%	31 Dec 2025	10-K	06 Mar 2026	2025	FY
Q4 2024	$711,000	$0	0%	31 Dec 2024	10-K	06 Mar 2026	2025	FY
Q4 2023	$711,000	$0	0%	31 Dec 2023	10-K	06 Mar 2026	2025	FY
Q4 2022	$711,000	+$474,000	+200%	31 Dec 2022	10-K	27 Mar 2024	2023	FY
Q4 2021	$237,000	-$474,000	-67%	31 Dec 2021	10-K	27 Mar 2024	2023	FY
Q4 2020	$711,000	+$711,000		31 Dec 2020	10-K	28 Feb 2023	2022	FY
Q4 2019	$0			31 Dec 2019	10-K	25 Feb 2021	2020	FY

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