Sun Communities(SUI) - 2021 Q1 - Quarterly Report

27777 Franklin Rd, Suite 200, Southfield, Michigan 48034 (Address of Principal Executive Offices) (Zip Code) (248) 208-2500 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021. or ☐ TRANSITION PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 SUN COMMUNITIES INC. (Exact Name of Registrant as Specified in its Charter) Maryla ...