Galera Therapeutics and Obsidian Therapeutics Announce Merger Agreement and $350 Million Concurrent Private Placement

CAMBRIDGE, Mass. and MALVERN, Pa., April 14, 2026 (GLOBE NEWSWIRE) -- Galera Therapeutics, Inc. (“Galera”) (OTC: GRTX), a clinical-stage biopharmaceutical company focused on advancing a pan-NOS inhibitor through clinical development for patients with the hardest-to-treat forms of advanced breast cancer, and Obsidian Therapeutics, Inc. (“Obsidian”), a privately-held clinical-stage biopharmaceutical company harnessing novel protein-regulation technology to develop engineered tumor infiltrating lymphocyte, (“TIL”), cell therapies, today announced that they have entered into a definitive merger agreement to combine in an all-stock transaction. The combination will be accomplished by both companies becoming wholly owned subsidiaries of a newly formed company. Upon completion of the transaction, the combined company plans to operate under the name Obsidian Therapeutics, Inc. and will apply to trade on Nasdaq under the ticker symbol “OBX.”