2022 SIMON® Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022

SIMON PROPERTY GROUP, INC. SIMON PROPERTY GROUP, L.P. (Exact name of registrant as specified in its charter)

04-6268599 (Simon Property Group, Inc.) 34-1755769 (Simon Property Group, L.P.)

001-14469 (Simon Property Group, Inc.) 001-36110 (Simon Property Group, L.P.) (Commission File No.)

Delaware (Simon Property Group, Inc.) Delaware (Simon Property Group, L.P.) (State of incorporation or organization)

(I.R.S. Employer Identification No.)

225 West Washington Street Indianapolis, Indiana 46204 (Address of principal executive offices) (ZIP Code) (317) 636-1600 (Registrant’s telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbols

Name of each exchange on which registered

Simon Property Group, Inc. Simon Property Group, Inc.

Common stock, $0.0001 par value 8 3 / 8 % Series J Cumulative Redeemable Preferred Stock, $0.0001 par value

SPG

New York Stock Exchange New York Stock Exchange

SPGJ

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the Registrant is a well-known seasoned issuer (as defined in Rule 405 of the Securities Act). Simon Property Group, Inc. Yes ☒ No  Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Simon Property Group, Inc. Yes  No ☒ Simon Property Group, L.P. Yes  No  Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Simon Property Group, Inc. Yes ☒ No  Simon Property Group, L.P. Yes  No  Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit such files). Simon Property Group, Inc. Yes ☒ No  Simon Property Group, L.P. Yes  No  Simon Property Group, L.P. Yes  No  Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act (check one):

Simon Property Group, Inc.: Large accelerated filer ☒ Simon Property Group, L.P.: Large accelerated filer 

Accelerated filer 

Non-accelerated filer 

Smaller reporting company  Emerging growth company 

Accelerated filer  Smaller reporting company  Emerging growth company  If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Simon Property Group, Inc.  Simon Property Group, L.P.  Indicate by check mark whether the Registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. Simon Property Group, Inc. Yes ☒ No  Simon Property Group, L.P. Yes  No  If securities are registered pursuant to Section 12(b) of the Act, indicated by check mark whether the financial statements of the registrant included in the filing reflect the corrections of an error to previously issued financial statements. Simon Property Group, Inc.  Simon Property Group, L.P.  Indicate by check mark whether any of those error corrections are restaetments that required a recovery analysis of incentive-based compensations received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). Simon Property Group, Inc.  Simon Property Group, L.P.  Indicate by check mark whether the Registrant is a shell company (as defined in rule 12-b of the Act). Simon Property Group, Inc. Yes  No  Simon Property Group, L.P. Yes  No  The aggregate market value of shares of common stock held by non-affiliates of Simon Property Group, Inc. was approximately $30,812 million based on the closing sale price on the New York Stock Exchange for such stock on June 30, 2022. Non-accelerated filer ☒ As of January 31, 2023, Simon Property Group, Inc. had 326,923,453 and 8,000 shares of common stock and Class B common stock outstanding, respectively. Simon Property Group, L.P. had no publicly-traded voting equity as of June 30, 2022. Simon Property Group, L.P. has no common stock outstanding. Documents Incorporated By Reference Portions of Simon Property Group, Inc.’s Proxy Statement in connection with its 2023 Annual Meeting of Stockholders are incorporated by reference in Part III.

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