 CHICAGO--BUSINESS WIRE--Equity Commonwealth NYSE: EQC announced today that its Board of Trustees declared a dividend on the companys Series D Preferred Shares. A quarterly dividend of 0.40625 per Series D Preferred Share will be paid on August 16, 2021 to shareholders of record on July 30, 2021 for the period from May 15, 2021 through August 14, 2021. About Equity Commonwealth Equity Commonwealth NYSE: EQC is a Chicago based, internally managed and self-advised real estate investment tr 