SLS SELLAS LIFE SCIENCES GROUP INC Investments/Divestments 8-K Filing 2023 - Underwriting Agreement for Public Offering SELLAS Life Sciences Group, Inc. entered into an underwriting agreement for an underwritten public offering of 7,220,217 shares of common stock and warrants, with an expected net proceeds of approximately $18.5 million.Get access to all SEC 8-K filings of the SELLAS LIFE SCIENCES GROUP INC