Presented favorable preclinical safety data for JADE101 and a translational analysis of APRIL mediated biomarker responses at the American Society of Nephrology Kidney Week 2025, reinforcing its potential as a best-in-class selective anti-APRIL monoclonal antibody for IgA nephropathy Initiated Phase 1 healthy volunteer study of JADE101; interim, biomarker-rich data expected in the first half of 2026 are anticipated to define dose and dose interval selection for patient trials Unveiled JADE201, a potentially best-in-class, half-life extended, afucosylated anti-BAFF receptor monoclonal antibody; first-in-human trial in rheumatoid arthritis expected to begin in the first half of 2026 with potential opportunity across multiple autoimmune diseases validated by BAFF-R biology Completed $135 million private placement, extending cash runway into the first half of 2028 SAN FRANCISCO and VANCOUVER, British Columbia, Nov. 13, 2025 (GLOBE NEWSWIRE) -- Jade Biosciences, Inc. (“Jade”) (Nasdaq: JBIO), a biotechnology company focused on developing best-in-class therapies for autoimmune diseases, today announced financial results for the quarter ending September 30, 2025, and provided a corporate update. “The third quarter marked meaningful progress toward our mission of delivering potentially best-in-class therapies for autoimmune diseases,” said Tom Frohlich, Chief Executive Officer of Jade Biosciences.