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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1. Name and Address of Reporting Person * Wetzel Mark L   2. Issuer Name and Ticker or Trading Symbol EQUITY RESIDENTIAL [EQR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Accounting Officer (Last) (First) (Middle) TWO NORTH RIVERSIDE PLAZA, SUITE 400 3. Date of Earliest Transaction (Month/Day/Year) 12/14/2005 (Street) CHICAGO, IL 60606 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 Shares of Beneficial Interest               6,330 (1) D   Common Shares of Beneficial Interest 12/14/2005   S   1,300 D $ 40.74 700 (2) I Daughter Common Shares of Beneficial Interest 12/14/2005   S   700 D $ 40.75 0 (2) I Daughter Common Shares of Beneficial Interest               14,304 (3) I SERP Account

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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

Non-Qualified Stock Option (right to buy)

$ 23.55

02/07/2005

02/07/2013

Common Shares of Beneficial Interest

4,613

4,613

D

Non-Qualified Stock Option (right to buy)

$ 27.2

01/16/2003

01/16/2012

Common Shares of Beneficial Interest

6,896

6,896

D

Non-Qualified Stock Option (right to buy)

$ 29.25

01/27/2005

01/27/2014

Common Shares of Beneficial Interest

8,297

8,297

D

Non-Qualified Stock Option (right to buy)

$ 31.76

02/03/2006

02/03/2008

Common Shares of Beneficial Interest

7,082

7,082

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Wetzel Mark L TWO NORTH RIVERSIDE PLAZA, SUITE 400 CHICAGO, IL 60606			Chief Accounting Officer

Signatures

By: Barbara Shuman, Attorney-in-fact		12/14/2005
**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)	Shares reported on this line are owned directly and some are subject to vesting.
(2)	Shares reported on this line are beneficially owned by Mr. Wetzel as custodian for his minor daughter. Mr. Wetzel disclaims beneficial ownership of said shares.
(3)	Shares reported herein are owned by the Security Trust Company, as Trustee of the Equity Residential Supplemental Retirement Plan for the benefit of the reporting person and were acquired through Equity Residential's Employee Share Purchase Plan.

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