Form 8-K/A

8-K/A — SIMON PROPERTY GROUP INC.

Accession: 0001104659-26-062019

Filed: 2026-05-15

Period: 2026-03-22

CIK: 0001063761

SIC: 6798 (REAL ESTATE INVESTMENT TRUSTS)

Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM

8-K/A

(Amendment No. 1)

CURRENT

REPORT

Pursuant

to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date

of Report (Date of earliest event reported): March 22, 2026

SIMON

PROPERTY GROUP, INC.

(Exact

name of registrant as specified in its charter)

Indiana

001-14469

04-6268599

(State

or other jurisdiction of

(Commission

File Number)

(IRS

Employer

incorporation)

Identification

No.)

225 West Washington Street

Indianapolis,

Indiana

46204

(Address

of principal executive offices)

(Zip

Code)

Registrant’s

telephone number, including area code: (317) 636-1600

Not

Applicable

(Former

name or former address, if changed since last report)

Check

the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant

under any of the following provisions:

¨ Written communications pursuant to Rule 425 under

the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under

the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under

the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under

the Exchange Act (17 CFR 240.13e-4(c))

Securities

registered pursuant to Section 12(b) of the Act:

Title

of each class

Trading

Symbol

Name

of each exchange on which

registered

Common

stock, $0.0001 par value

SPG

New York Stock Exchange

83/8%

Series J Cumulative Redeemable Preferred Stock, $0.0001 par value

SPGJ

New York Stock Exchange

Indicate

by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§

230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

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. ¨

ITEM 5.02 Departure of Directors or Principal Officers; Election

of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

As previously disclosed in the Current Report on Form 8-K filed

by Simon Property Group, Inc. (the “Company”), on March 24, 2026, the Company’s Board of Directors (the “Board”)

appointed Eli Simon to serve as Chief Executive Officer and President of the Company, effective March 23, 2026 (the “Appointment”).

At the time of the Appointment, the Board had not yet approved any changes to Mr. Simon’s compensation.

On May 13, 2026, the independent members of the Board, acting

on the recommendation of the Compensation and Human Capital Committee, approved an award under the 2026 LTI Program (the “2026 Unit

Awards”), in the form of LTIP units and restricted stock units, to Mr. Simon in connection with the Appointment. The 2026 Unit

Awards have a grant date fair market value of $2,500,000, based on the closing price of our common stock as reported by the NYSE on May 13,

2026, taking into account performance conditions.

The material terms and conditions of the 2026 LTI Program, applicable

to the 2026 Unit Awards, are described in, and the Form of Series 2026 LTIP Unit Award Agreement and the Certificate of Designation

of Series 2026 LTIP Unit of Simon Property Group, L.P., are filed as Exhibits 10.3 and 10.4, respectively, to, the Company’s

Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2026, filed with the Securities and Exchange Commission

on May 11, 2026, and are incorporated herein by reference.

No other components of Mr. Simon’s compensation have been

changed in connection with the Appointment.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934,

the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Date: May 15, 2026

SIMON PROPERTY GROUP, INC.

By:

/s/ Steven E. Fivel

Steven E. Fivel

General Counsel and Secretary

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Entity Registrant Name

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Trading Symbol

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Security Exchange Name

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Security Exchange Name

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