Income Tax Expense (Benefit) of Upstream Bio, Inc. from 31 Dec 2023 to 31 Mar 2025

Taxonomy & unit: us-gaap: USD
Description: Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
Summary: Upstream Bio, Inc. quarterly and annual Income Tax Expense (Benefit) in USD history and change rate from 31 Dec 2023 to 31 Mar 2025.
Upstream Bio, Inc. Income Tax Expense (Benefit) for the quarter ending 31 Mar 2025 was $0.
Upstream Bio, Inc. annual Income Tax Expense (Benefit) for 2024 was $0.
Source SEC data: View on sec.gov

Income Tax Expense (Benefit), Quarterly (USD)

Income Tax Expense (Benefit), Annual (USD)

Upstream Bio, Inc. Quarterly Income Tax Expense (Benefit) (USD)

Period	TTM Value	Value	YoY Chg	Change %	Start Date	End Date	Report	Filed	Fiscal Year	Fiscal Period
Q1 2025		$0	$0		01 Jan 2025	31 Mar 2025	10-Q	06 May 2025	2025	Q1
Q1 2024		$0			01 Jan 2024	31 Mar 2024	10-Q	06 May 2025	2025	Q1

Period	Value	YoY Chg	Change %	Start Date	End Date	Report	Filed	Fiscal Year	Fiscal Period
2024	$0	$0		01 Jan 2024	31 Dec 2024	10-K	12 Mar 2025	2024	FY
2023	$0			01 Jan 2023	31 Dec 2023	10-K	12 Mar 2025	2024	FY

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