Simon Property(SPG) - 2023 Q4 - Annual Report

/ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No:.001-14469 (Simon Property Group, Inc.) Commission File No:001-36110 (Simon Property Group, L.P.) SIMON PROPERTY GROUP, INC. SIMON PROPERTY GROUP, L.P. (Exact name of regist ...