SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
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

(Last)

(First)

(Middle)

TWO NORTH RIVERSIDE PLAZA, SUITE 400

(Street)

CHICAGO

60606

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/17/2005

3. Issuer Name and Ticker or Trading Symbol
EQUITY RESIDENTIAL [ EQR ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Accounting Officer

5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Shares of Beneficial Interest	6,330⁽¹⁾	D
Common Shares of Beneficial Interest	14,304⁽²⁾	I	SERP Account
Common Shares of Beneficial Interest	2,000⁽³⁾	I	Daughter

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Non-Qualified Stock Option (right to buy)	02/07/2005⁽⁴⁾	02/07/2013	Common Shares of Beneficial Interest	4,613	$23.55	D
Non-Qualified Stock Option (right to buy)	01/16/2003⁽⁵⁾	01/16/2012	Common Shares of Beneficial Interest	6,896	$27.2	D
Non-Qualified Stock Option (right to buy)	01/27/2005⁽⁶⁾	01/27/2014	Common Shares of Beneficial Interest	8,297	$29.25	D
Non-Qualified Stock Option (right to buy)	02/03/2006⁽⁷⁾	02/03/2008	Common Shares of Beneficial Interest	7,082	$31.76	D

Explanation of Responses:

1. Shares reported on this line are owned directly and some are subject to vesting.

2. 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.

3. 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.

4. 2,306 of the share options reported on this line are currently exercisable; the remaining share options become exercisable on 2/7/2006.

5. Share options reported on this line are fully exercisable.

6. 2,765 of the share options are currently exercisable; the remaining share options become exercisable in two equal installments on 1/27/2006 and 1/27/2007.

7. The share options become exercisable in three equal installments on 2/3/2006; 2/3/2007 and 2/3/2008.

	Mark L. Wetzel	03/17/2005
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.