 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 May 17, 2021 to shareholders of record on April 29, 2021 for the period from February 15, 2021 through May 14, 2021. About Equity Commonwealth Equity Commonwealth NYSE: EQC is a Chicago based, internally managed and self-advised real estate investment tr 