Completed enrollment of Phase 2 clinical trial of verekitug in patients with chronic rhinosinusitis with nasal polyps; top-line data expected in the second half of 2025 Completed upsized IPO with gross proceeds of approximately $293 million, extending runway through 2027 WALTHAM, Mass., March 12, 2025 (GLOBE NEWSWIRE) -- Upstream Bio, Inc. (Nasdaq: UPB), a clinical-stage company developing treatments for inflammatory... Read More

WALTHAM, Mass., Feb. 25, 2025 (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, Upstream Bio’s CEO, will present at the following upcoming March investor conferences: TD Cowen 45th Annual Health Care Conference, Boston MA Tuesday, March 4, 2025, 11:50... Read More

WALTHAM, Mass., Dec. 17, 2024 (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 the Company has appointed Allison Ambrose, J.D. as General Counsel. Ms. Ambrose is a senior legal leader with more than 15 years of experience providing counsel on a wide range of matters... Read More

WALTHAM, Mass., Dec. 16, 2024 (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 the Company will be added to the Russell 2000® index as part of the planned fourth quarter initial public offering (IPO) additions effective at the open of the U.S. equity markets on December... Read More

WALTHAM, Mass., Nov. 21, 2024 (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, MPH, Upstream Bio’s CEO, will participate in a fireside chat at the Piper Sandler 36 th Annual Healthcare Conference on December 3, 2024 at 2:00 p.m. ET. A live webcast of... Read More

Advancing Phase 2 clinical trials of verekitug in patients with severe asthma and CRSwNP Commenced startup for a Phase 2 clinical trial in COPD; on track for first patient to be dosed in H2 2025 Completed upsized IPO with gross proceeds of approximately $293 million, extending runway through 2027 WALTHAM, Mass., Nov. 07, 2024 (GLOBE NEWSWIRE) -- Upstream Bio, Inc. (Nasdaq: UPB), a clinical-stage company developing treatments... Read More

WALTHAM, Mass., Oct. 15, 2024 (GLOBE NEWSWIRE) -- Upstream Bio, Inc. (Nasdaq: UPB), a clinical-stage biotechnology company developing treatments for inflammatory diseases, with an initial focus on severe respiratory disorders, today announced the closing of its upsized initial public offering of 17,250,000 shares of its common stock at a public offering price of $17.00 per share, which includes 2,250,000 shares issued upon... Read More

WALTHAM, Mass., Oct. 10, 2024 (GLOBE NEWSWIRE) -- Upstream Bio, Inc. (Nasdaq: UPB), a clinical-stage biotechnology company developing treatments for inflammatory diseases, with an initial focus on severe respiratory disorders, today announced the pricing of its upsized initial public offering of 15,000,000 shares of its common stock at a public offering price of $17.00 per share. All of the shares of common stock are being... Read More