NEW YORK, Sept. 11, 2025 (GLOBE NEWSWIRE) -- SELLAS Life Sciences Group, Inc. (NASDAQ: SLS) (“SELLAS” or the “Company”), a late-stage clinical biopharmaceutical company focused on the development of novel therapies for a broad range of cancer indications, today announced the immediate exercise of warrants, previously issued in January 2025, to purchase up to 19,685,040 shares of its common stock for gross cash proceeds of approximately $23.6 million. In consideration for the immediate exerc