FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * SIMON HERBERT   2. Issuer Name and Ticker or Trading Symbol SIMON PROPERTY GROUP INC /DE/ [SPG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman Emeritus of the Board (Last) (First) (Middle) 225 W. WASHINGTON STREET 3. Date of Earliest Transaction (Month/Day/Year) 02/26/2010 (Street) INDIANAPOLIS, IN 46204 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/26/2010   P   328,598 (1) A $ 78.51 1,215,264 (2) (3) I By The Herbert Simon Revocable Trust u/a/d December19, 2008

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SIMON HERBERT 225 W. WASHINGTON STREET INDIANAPOLIS, IN 46204	X		Chairman Emeritus of the Board

Signatures

Herbert Simon, and his attorney-in-fact, Shelly Doran		03/02/2010
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Private purchase from MH Holdings, Inc.
(2)	Includes 50% of the shares held by MH Holdings, Inc. ("MH"). The reporting person is the trustee of the Herbert Simon Revocable Trust u/a/d December 19, 2008 (the "Trust"), which is the 50% owner of MH and disclaims beneficial ownership except to the extent of his pecuniary interest therein. Also includes 30.94% of the shares held by Melvin Simon & Associates, Inc. ("MSA"). The Trust owns 30.94% of MSA, and the reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.
(3)	Includes the following shares received by the Trust during 2009 as stock dividends: 1,833 common shares received on March 18, 2009, 804 common shares received on June 19, 2009, 647 common shares received on September 18, 2009 and 447 common shares received on December 18, 2009. Also includes 30.94% of the shares received by MSA during 2009 as stock dividends, as follows: 30,415 common shares received on March 18, 2009, 10,429 common shares received on June 19, 2009, 8,325 common shares received on September 18, 2009 and 7,403 common shares received on December 18, 2009. Also includes 50% of the shares received by MH during 2009 as stock dividends, as follows: 4,450 common shares received on March 18, 2009, 1,526 common shares received on June 19, 2009, 1,218 common shares received on September 18, 2009 and 1,083 common shares received on December 18, 2009. The Company's quarterly dividends in 2009 were paid in a combination of cash and shares of common stock.

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