Posted in Web Umpqua Holdings Corporation (UMPQ) Ex-Dividend Date … May 16, 2019 Umpqua Holdings Corporation ( UMPQ) will begin trading ex-dividend on March 28, 2019.A cash dividend payment of $0.21 per share is scheduled to be paid on April 15, 2019. Shareholders who … : https://www.nasdaq.com/article/umpqua-holdings-corporation-umpq-ex-dividend-date-scheduled-for-march-28-2019-cm1120490