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10-Q

Quarterly Report

UPSTREAM BIO, INC. UPB

0001193125-26-220584

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Filed
May 13, 2026 12:00 AM ET
Period of report

On SEC.gov

Financials in this filing

Metric Period Value
Shares Outstanding Q1 2026 · May 7, 2026 54.42M sh
Shares Diluted Q1 2026 · Mar 31, 2026 54.33M sh
Shares Diluted Q1 2026 · Mar 31, 2025 53.62M sh
Operating Cash Flow Q1 2026 · Mar 31, 2026 −$47.85M
Operating Cash Flow Q1 2026 · Mar 31, 2025 −$41.17M
Short Term Investments Q1 2026 · Mar 31, 2026 $197.86M
Short Term Investments Q1 2026 · Dec 31, 2025 $239.93M
Cash And Equivalents Q1 2026 · Mar 31, 2026 $96.72M
Cash And Equivalents Q1 2026 · Dec 31, 2025 $101.58M
Cash And Equivalents Q1 2026 · Mar 31, 2025 $71.31M
Stockholders Equity Q1 2026 · Mar 31, 2026 $304M
Stockholders Equity Q1 2026 · Dec 31, 2025 $339.77M
Stockholders Equity Q1 2026 · Mar 31, 2025 $445.61M
Stockholders Equity Q1 2026 · Dec 31, 2024 $469.85M
Current Liabilities Q1 2026 · Mar 31, 2026 $13.67M
Current Liabilities Q1 2026 · Dec 31, 2025 $13.45M
Total Liabilities Q1 2026 · Mar 31, 2026 $14.06M
Total Liabilities Q1 2026 · Dec 31, 2025 $14M
Current Assets Q1 2026 · Mar 31, 2026 $316.28M
Current Assets Q1 2026 · Dec 31, 2025 $351.8M
Total Assets Q1 2026 · Mar 31, 2026 $318.05M
Total Assets Q1 2026 · Dec 31, 2025 $353.77M
Eps Diluted Q1 2026 · Mar 31, 2026 −$0.75
Eps Diluted Q1 2026 · Mar 31, 2025 −$0.51
Eps Basic Q1 2026 · Mar 31, 2026 −$0.75
Eps Basic Q1 2026 · Mar 31, 2025 −$0.51
Sga Expense Q1 2026 · Mar 31, 2026 $8.08M
Sga Expense Q1 2026 · Mar 31, 2025 $6.78M
Rd Expense Q1 2026 · Mar 31, 2026 $36.57M
Rd Expense Q1 2026 · Mar 31, 2025 $25.8M
Net Income Q1 2026 · Mar 31, 2026 −$40.59M
Net Income Q1 2026 · Mar 31, 2025 −$27.27M
Operating Income Q1 2026 · Mar 31, 2026 −$43.62M
Operating Income Q1 2026 · Mar 31, 2025 −$32.01M
Revenue Q1 2026 · Mar 31, 2026 $1.03M
Revenue Q1 2026 · Mar 31, 2025 $566K