UPB

– Verekitug, 100 mg dosed every 12 weeks, reduced AAER by 56% compared to placebo in patients with severe asthma – – Verekitug also delivered clinically meaningful improvements in lung function (FEV 1 ) and exhaled nitric oxide (FeNO) with every 12-week dosing – – The Company remains on track to initiate Phase 3 trials in severe asthma and CRSwNP in Q1 2027 , designed to deliver best-in-class efficacy in both indications by evaluating a 400 mg quarterly regimen of verekitug in broad patient populations – WALTHAM, Mass., Sept. 08, 2026 (GLOBE NEWSWIRE) -- Upstream Bio, Inc. (Nasdaq: UPB), a clinical-stage company developing treatments for severe inflammatory respiratory diseases, today presented results from the Phase 2 VALIANT clinical trial evaluating the safety and efficacy of verekitug in adults with severe asthma in a late-breaking oral presentation at the European Respiratory Society (ERS) Congress 2026 in Barcelona.

– Following productive FDA discussions, Upstream Bio will study 400 mg of verekitug administered every 12 weeks, versus placebo, in severe asthma and CRSwNP with one pivotal Phase 3 trial in each indication – – The Company's Phase 3 strategy is designed to deliver best-in-class efficacy across both indications by evaluating a high-dose, quarterly regimen of verekitug in broad patient populations – – The Company remains on track to initiate both Phase 3 trials in Q1 2027 – WALTHAM, Mass., Sept. 01, 2026 (GLOBE NEWSWIRE) -- Upstream Bio, Inc. (Nasdaq: UPB), a clinical-stage company developing treatments for severe inflammatory respiratory diseases, today announced its pivotal Phase 3 development plans for verekitug in severe asthma and chronic rhinosinusitis with nasal polyps (CRSwNP).

Upstream Bio, Inc. (UPB) came out with a quarterly loss of $0.73 per share versus the Zacks Consensus Estimate of a loss of $0.78. This compares to a loss of $0.74 per share a year ago.

Upstream Bio, Inc. (UPB) has been upgraded to a Zacks Rank #2 (Buy), reflecting growing optimism about the company's earnings prospects. This might drive the stock higher in the near term.

Upstream Bio, Inc. (UPB) Presents at Goldman Sachs 47th Annual Global Healthcare Conference 2026 Transcript

WALTHAM, Mass., June 03, 2026 (GLOBE NEWSWIRE) -- Upstream Bio, Inc. (Nasdaq: UPB), a clinical-stage company developing treatments for inflammatory diseases, with an initial focus on severe respiratory disorders, today announced that Rand Sutherland, MD, Chief Executive Officer of Upstream Bio, will participate in a fireside chat at the Goldman Sachs 47th Annual Global Healthcare Conference on Wednesday, June 10, 2026, at 10:40 a.m.

I am initiating a Buy rating on Verekitug, the lead asset of Upstream Bio, a small-cap biotech trading at an enterprise value under $200M. Verekitug's quarterly dosing and differentiated TSLPR mechanism offer competitive efficacy in severe asthma and CRSwNP, with strong phase 2 data supporting further development. UPB's key catalysts include FDA interactions, phase 3 trial initiations in 2027, and a COPD phase 2 readout, all of which could drive significant re-rating.

– Verekitug led to statistically significant and clinically meaningful improvement in asthma symptom control as measured by the Asthma Control Questionnaire-6 (ACQ-6) in participants with CRSwNP and comorbid asthma –

Upstream Bio, Inc. (UPB) came out with a quarterly loss of $0.75 per share versus the Zacks Consensus Estimate of a loss of $0.8. This compares to a loss of $0.51 per share a year ago.

– Company rapidly advancing Phase 3 programs designed to deliver best-in-class efficacy with convenient quarterly dosing in severe asthma and CRSwNP – – End-of-Phase 2 meetings with FDA planned for mid-2026; Phase 3 initiations in both indications expected in Q1 2027 – – Phase 2 VENTURE trial in COPD ongoing; Company to cap further enrollment; data now expected in the second half of 2027 – – Upcoming data presentations at ATS and EAACI to further elaborate the clinical profile of verekitug – WALTHAM, Mass., May 13, 2026 (GLOBE NEWSWIRE) -- Upstream Bio, Inc. (Nasdaq: UPB), a clinical-stage company developing treatments for inflammatory diseases, with an initial focus on severe respiratory disorders, today reported financial results for the first quarter ended March 31, 2026, and highlighted its continued progress in developing verekitug to deliver potential best-in-class efficacy with quarterly dosing across the Company's three target indications: severe asthma, chronic rhinosinusitis with nasal polyps (CRSwNP), and chronic obstructive pulmonary disease (COPD).