 NEW YORK, Sept. 23, 2021 PRNewswire -- Stagwell Inc. Nasdaq: STGW today announced the Company elected to convert all outstanding shares of its Series 6 Convertible Preferred Stock, par value 0.001 per share the Series 6 Preferred Stock and its Series 8 Convertible Preferred Stock, par value 0.001 per share the Series 8 Preferred Stock. 