NEW YORK, March 19, 2024 (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 closing of its previously announced registered direct offering of 13,029,316 shares of its common stock (or common stock equivalents in lieu thereof) and warrants to purchase up to an aggregate of 13,029,316...