UPBUpstream Bio, Inc.

UPB Stock Price, Valuation & Chart | Upstream Bio, Inc.

Compare

$6.480-0.07 (-1.07%)

At close · 02 Sept 2026, 08:00 pm

Sector: Healthcare Industry: Biotechnology UPB intrinsic value UPB calculated fair value vs price

Overview Financials Dividends Ratios

UPB Historical price chart

UPB Key Stats

Fair Value

Disclaimer

Disclaimer: This fair value estimate is for informational purposes only and should not be considered as investment advice. Fair value calculations are based on DCF (Discounted Cash Flow), P/E Multiple, and P/S Multiple models and assumptions that may not reflect actual market conditions. Always conduct your own research and consult with a financial advisor before making investment decisions.

Unlock

Market Capitalization352.64M

PE Ratio-2.23

EPS-2.91

Trading Volume515.40K

Today's High/Low6.98/6.41

Dividend Yield0.00

52 Week High/Low33.68/5.85

Shares Outstanding54.42M

UPB Financial Statement

UPB Analyst ratings

UPB Analysis & performance metrics

UPB Company profile

Upstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases that focuses on severe respiratory disorders. It develops verekitug,…

Upstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases that focuses on severe respiratory disorders. It develops verekitug, a monoclonal antibody that targets and inhibits the thymic stromal lymphopoietin receptor. The company also develops therapies to treat severe asthma, chronic rhinosinusitis with nasal polyps, and chronic…

UPB Management team

Name

Position

Allison C. Ambrose J.D.

Senior Vice President, General Counsel & Secretary

Sumathi Sivapalasingam M.D.

Vice President & Head of Clinical Development

Mersedeh Miraliakbari Pharm.D.

Senior Vice President of Regulatory Affairs & Quality

Aaron Deykin M.D.

Chief Medical Officer and Head of Research & Development

Michael Paul Gray CPA, MBACFO

Chief Financial Officer & Chief Operating Officer

Parika Petaipimol M.S.

Head of Technical Operations

Lisa Fiering

Senior Vice President of People & Culture

Adam Houghton M.B.A., Ph.D.

Chief Business Officer

Name

Position

Allison C. Ambrose J.D.

Senior Vice President, General Counsel & Secretary

Sumathi Sivapalasingam M.D.

Vice President & Head of Clinical Development

Mersedeh Miraliakbari Pharm.D.

Senior Vice President of Regulatory Affairs & Quality

Aaron Deykin M.D.

Chief Medical Officer and Head of Research & Development

Michael Paul Gray CPA, MBACFO

Chief Financial Officer & Chief Operating Officer

Parika Petaipimol M.S.

Head of Technical Operations

Lisa Fiering

Senior Vice President of People & Culture

Adam Houghton M.B.A., Ph.D.

Chief Business Officer

Management Team

Allison C. Ambrose J.D.

Senior Vice President, General Counsel & Secretary

Sumathi Sivapalasingam M.D.

Vice President & Head of Clinical Development

Mersedeh Miraliakbari Pharm.D.

Senior Vice President of Regulatory Affairs & Quality

Aaron Deykin M.D.

Chief Medical Officer and Head of Research & Development

Michael Paul Gray CPA, MBACFO

Chief Financial Officer & Chief Operating Officer

Parika Petaipimol M.S.

Head of Technical Operations

Lisa Fiering

Senior Vice President of People & Culture

Adam Houghton M.B.A., Ph.D.

Chief Business Officer

Management

Allison C. Ambrose J.D.

Senior Vice President, General Counsel & Secretary

Sumathi Sivapalasingam M.D.

Vice President & Head of Clinical Development

Mersedeh Miraliakbari Pharm.D.

Senior Vice President of Regulatory Affairs & Quality

Aaron Deykin M.D.

Chief Medical Officer and Head of Research & Development

Michael Paul Gray CPA, MBACFO

Chief Financial Officer & Chief Operating Officer

Parika Petaipimol M.S.

Head of Technical Operations

Lisa Fiering

Senior Vice President of People & Culture

Adam Houghton M.B.A., Ph.D.

Chief Business Officer

Total 8 executives

UPB Frequently asked questions

What is Upstream Bio, Inc. (UPB) Stock Price?

Current stock price of Upstream Bio, Inc. (UPB) stock is $6.480. The stock price is -1.07% lower in the session. The intraday range can be seen from this page. Volume of Upstream Bio, Inc. (UPB) stock is 515.40K.

Last updated at 02 Sept 2026, 08:00 pm.

Why is the Upstream Bio, Inc. (UPB) stock price going up or down today?

The stock price of Upstream Bio, Inc. (UPB) can change with earnings, company news, and overall market sentiment. Upstream Bio, Inc. operates in the Healthcare / Biotechnology market, so sector-wide moves can also affect the share price. Use the live price, percentage change, and volume on this page to judge whether a move looks meaningful.

Is the Upstream Bio, Inc. stock expensive at its current price?

Whether Upstream Bio, Inc. looks expensive depends on valuation metrics versus its growth outlook. The P/E ratio shown for UPB on this page is -2.23. EPS on this page is -2.91. Compare those figures with peers and growth expectations before deciding if the current Upstream Bio, Inc. price is justified.

How has the stock price of Upstream Bio, Inc. (UPB) performed historically?

Historical performance for Upstream Bio, Inc. (UPB) is shown on the price chart on this page. Review multi-period moves alongside volume to see how UPB reacted to past earnings and market events.

Should I buy Upstream Bio, Inc. (UPB) stock, at this price?

Buying Upstream Bio, Inc. (UPB) depends on your risk tolerance, time horizon, and portfolio needs. As a Healthcare name, weigh the live quote, key stats, and valuation links on this page rather than a single price point.