## SECURITIES AND EXCHANGE COMMISSION

### Washington, D.C. 20549

## FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) : November 13, 2001

SIMON PROPERTY GROUP, INC.

(Exact name of registrant as specified in its charter)

Delaware |  | 001-14469 |  | 046268599
(State or other jurisdiction |  | (Commission |  | (IRS Employer
of incorporation) |  | File Number) |  | Identification No.)

115 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)

Item 5. Other Events

On November 8, 2001, the Registrant issued a press release containing information on earnings for the quarter ended September 30, 2001 and other matters. A copy of the press release is included as an exhibit to this filing.

On November 8, 2001, the Registrant held a conference call to discuss earnings for the quarter ended September 30, 2001 and other matters. A transcript of this conference call is included as an exhibit to this filing.

On November 13, 2001, the Registrant made available additional ownership and operation information concerning the Registrant, SPG Realty Consultants, Inc. (the Registrant’s paired-share affiliate), Simon Property Group, L.P., and properties owned or managed as of September 30, 2001, in the form of a Supplemental Information package, a copy of which is included as an exhibit to this filing. The Supplemental Information package is available upon request as specified therein.

Item 7. Financial Statements and Exhibits

Financial Statements:

None

Exhibits:

Exhibit No. |  | Description |
99.1 |  | Supplemental Information as of September 30, 2001 |
99.2 |  | Earnings Release for the quarter ended September 30, 2001 |
99.3 |  | Teleconference Text for the quarter ended September 30, 2001 |

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.

Dated: November 13, 2001

| SIMON PROPERTY GROUP, INC.
|  | By: | /s/ Stephen E. Sterrett |
|  | Stephen E. Sterrett,
|  | Executive Vice President and
|  | Chief Financial Officer

SIMON PROPERTY GROUP

Table of Contents

As of September 30, 2001

#### Description |  |  |
# Exhibit 99.1 | #  | # Supplemental Information |
#  | #  | #  |
|  | Overview |
|  | Ownership Structure |
|  | Reconciliation of Income to Funds from Operations (“FFO”) |
|  | Selected Financial Information |
|  | Portfolio GLA, Occupancy & Rent Data |
|  | Rent Information |
|  | Lease Expirations |
|  | Debt Amortization and Maturities by Year |
|  | Summary of Indebtedness |
|  | Summary of Indebtedness by Maturity |
|  | Summary of Variable Rate Debt and Interest Rate Protection Agreements |
|  | New Development Activities |
|  | Significant Renovation/Expansion Activities |
|  | Capital Expenditures |
Exhibit 99.2 |  | Press Release |
Exhibit 99.3 |  | Teleconference Text – November 8, 2001 |