 NEW YORK--BUSINESS WIRE--Seritage Growth Properties NYSE: SRG the Company, a national owner of 183 retail and mixed-use properties totaling approximately 28.5 million square feet, today provided an update on the Companys leasing, development and transaction activity as of December 31, 2020, and provided an update on the Companys CEO transition. Q4 2020 Business Update Collected 91 of rental revenue and agreed to defer an additional 5; Generated 144.9 million of gross proceeds throu 