Upstream Bio Inc

UPB

Market cap $356M

WALTHAM, Mass., June 08, 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 additional data from its Phase 2 VIBRANT trial of verekitug in patients with chronic rhinosinusitis with nasal polyps (CRSwNP) will be presented in an oral session at the European Academy of Allergy and Clinical Immunology (EAACI) 2026 Congress in Istanbul, Turkey, on Sunday, June 14, 2026.

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).

WALTHAM, Mass., April 17, 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 two upcoming poster presentations at the American Thoracic Society (ATS) 2026 International Conference in Orlando, FL, on Monday, May 18, 2026. The presentations feature new data from the Phase 2 VIBRANT trial evaluating verekitug, the only known antagonist to the thymic stromal lymphopoietin (TSLP) receptor currently in clinical development, in chronic rhinosinusitis with nasal polyps (CRSwNP). The data to be presented include the clinical effect of verekitug in participants with CRSwNP and comorbid asthma, as well as its impact on nasal and blood biomarkers.

The company reported a cash position of $341.5 million, expected to fund planned operations through 2027.

– Company to pursue Phase 3 development strategy designed to deliver best-in-class efficacy with a high-dose quarterly regimen in broad patient populations in both severe asthma and CRSwNP – – Company plans to initiate dosing in Phase 3 trials in both severe asthma and CRSwNP in Q1 2027 – – Reported positive top-line results from Phase 2 VALIANT trial of verekitug in patients with severe asthma in February 2026, demonstrating significant improvements in asthma exacerbations and lung function – – Presented additional analyses from Phase 2 VIBRANT trial at AAAAI, reinforcing verekitug's therapeutic potential in CRSwNP – – Strong cash position of $341.5 million expected to fund planned operations through 2027 – WALTHAM, Mass., March 26, 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 fourth quarter and full year ended December 31, 2025, and highlighted its Phase 3 development strategy for verekitug in severe asthma and chronic rhinosinusitis with nasal polyps (CRSwNP).

– Primary endpoint of endoscopic nasal polyp score (NPS) showed reduction of - 1.95 (p < 0.0001) in new analysis with adjustment for concomitant rescue therapy use – – Secondary endpoints also provided strong efficacy data in new analyses , including reduction in nasal congestion score (NCS) by -0.96 (p < 0.0001) – WALTHAM, Mass., March 01, 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 presented additional data from the Phase 2 VIBRANT clinical trial evaluating verekitug in participants with chronic rhinosinusitis with nasal polyps (CRSwNP).