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Profile

Upstream Bio, Inc. is a clinical-stage biotechnology company, which engages in the development of treatments for inflammatory diseases, with an initial focus on severe respiratory disorders. It develops verekitug, the only known antagonist currently in clinical development that targets the receptor for Thymic Stromal Lymphopoietin. The company was founded in April 2021 and is headquartered in Waltham, MA.
URL http://www.upstreambio.com
Investor Relations URL https://investors.upstreambio.com/
HQ State/Province Massachusetts
Sector Health Care
Industry Biotechnology
Next Earnings Release Mar. 11, 2026 (est.)
Last Earnings Release Nov. 05, 2025
Next Ex-Dividend Date N/A
Last Ex-Dividend Date N/A

Profile

Upstream Bio, Inc. is a clinical-stage biotechnology company, which engages in the development of treatments for inflammatory diseases, with an initial focus on severe respiratory disorders. It develops verekitug, the only known antagonist currently in clinical development that targets the receptor for Thymic Stromal Lymphopoietin. The company was founded in April 2021 and is headquartered in Waltham, MA.
URL http://www.upstreambio.com
Investor Relations URL https://investors.upstreambio.com/
HQ State/Province Massachusetts
Sector Health Care
Industry Biotechnology
Next Earnings Release Mar. 11, 2026 (est.)
Last Earnings Release Nov. 05, 2025
Next Ex-Dividend Date N/A
Last Ex-Dividend Date N/A