Topline data from Phase 3 (IOB-013) clinical trial in advanced melanoma presented at ESMO; data highlights improvements in PFS achieved in overall population and across virtually all subgroups, although statistical significance on the PFS primary endpoint was narrowly missed Meeting scheduled with FDA in December to align on the design of a potential new Phase 3 registrational trial for IO102-IO103 in patients with advanced melanoma Pre-clinical data for additional T-win platform pipeline candidates IO112 targeting arginase 1 and IO170 targeting transforming growth factor (TGF)-β were presented at the Society for Immunotherapy of Cancer's (SITC) Annual Meeting Ended the third quarter with approximately $31 million in cash and cash equivalents, which is expected to support operations through the first quarter of 2026 Corporate presentations planned for the Jefferies Global Healthcare Conference in London on November 18, 2025, and the Piper Sandler 37th Annual Piper Sandler Healthcare Conference on December 3, 2025 NEW YORK, Nov. 14, 2025 (GLOBE NEWSWIRE) -- IO Biotech (Nasdaq: IOBT), a clinical-stage biopharmaceutical company developing novel, immune-modulatory, off-the-shelf therapeutic cancer vaccines, today reported financial results for the third quarter of 2025 and recent business highlights. “We remain keenly focused on our mission to develop novel, immune-modulatory, off-the-shelf cancer therapies for the treatment of multiple types of tumors including melanoma, lung, and head and neck cancer,” said Mai-Britt Zocca, PhD, President and CEO of IO Biotech.