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 * KNOX BOONE A   2. Issuer Name and Ticker or Trading Symbol EQUITY RESIDENTIAL [EQR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) THE KNOX FOUNDATION / KNOX, LTD., 3133 WASHINGTON ROAD, N.W. 3. Date of Earliest Transaction (Month/Day/Year) 03/07/2007 (Street) THOMSON, GA 30824 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 03/07/2007   M   10,000 A $ 22.9688 191,464.3027 (1) D   Common Shares of Beneficial Interest 03/07/2007   M   10,000 A $ 23.375 201,464.3027 (1) D   Common Shares of Beneficial Interest 03/07/2007   M   10,000 A $ 25.865 211,464.3027 (1) D   Common Shares of Beneficial Interest               6,774 (2) I BT Investments Common Shares of Beneficial Interest               848 (3) I Custodian Common Shares of Beneficial Interest               335,892 (4) I Folkstone Common Shares of Beneficial Interest               359,678 (5) I Knox Foundation Common Shares of Beneficial Interest               2,347,898 (6) I Knox, Ltd. Common Shares of Beneficial Interest               11,457.8 (7) I SERP Account Common Shares of Beneficial Interest               144,298 (8) I Sister-In-Law Common Shares of Beneficial Interest               6,228 (9) I Spouse

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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)

$ 22.9688

03/07/2007

M

10,000

11/16/2000

05/16/2010

Common Shares of Beneficial Interest

10,000

$ 0

0 (10)

D

Non-Qualified Stock Option (right to buy)

$ 23.375

03/07/2007

M

10,000

05/17/2001

05/17/2009

Common Shares of Beneficial Interest

10,000

$ 0

0 (11)

D

Non-Qualified Stock Option (right to buy)

$ 25.865

03/07/2007

M

10,000

11/15/2001

05/15/2011

Common Shares of Beneficial Interest

10,000

$ 0

0 (12)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
KNOX BOONE A THE KNOX FOUNDATION / KNOX, LTD. 3133 WASHINGTON ROAD, N.W. THOMSON, GA 30824	X

Signatures

By: Yasmina Duwe, Attorney-in-fact		03/09/2007
**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).
(4)	Shares reported herein are beneficially owned by Folkstone Limited Partnership (FLP). Mr. Knox is a general partner of FLP. Mr. Knox disclaims beneficial ownership of the shares owned by FLP except to the extent of his pecuniary interest therein.
(6)	Shares reported herein are beneficially owned by Knox, Ltd.. Mr. Knox is the general partner of Knox, Ltd.. Mr. Knox disclaims beneficial ownership of the shares owned by Knox, Ltd. except to the extent of his pecuniary interest therein.
(9)	Shares reported herein are beneficially owned by Mr. Knox's spouse. Mr. Knox disclaims beneficial ownership of these shares and this report not be deemed an admission that Mr. Knox is the beneficial owner of such shares for purposes of Section 16 or for any other purpose.
(11)	Share options reported on this line are fully exercisable.
(2)	Shares reported herein are beneficially owned by BT Investments, a Georgia general partnership. Mr. Knox is managing partner of BT Investments. Mr. Knox disclaims beneficial ownership of the shares owned by BT Investments except to the extent of his pecuniary interest therein.
(1)	Direct total includes restricted shares.
(10)	Share options reported on this line are fully exercisable.
(7)	Shares reported herein are owned by the AST 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.
(5)	Shares reported herein are beneficially owned by the Knox Foundation, a charitable trust. Mr. Knox is trustee of the Knox Foundation. Mr. Knox disclaims beneficial ownership of these shares and this report shall not be deemed an admission that Mr. Knox is the beneficial owner of such shares for purposes of Section 16 or for any other purpose.
(3)	Shares reported herein are beneficially owned by Mr. Knox, not individually, but as custodian for his neice and nephew. Mr. Knox disclaims beneficial ownership of these shares, and this report shall not be deemed an admission that Mr. Knox is the beneficial owner of such shares for purposes of Section 16 or for any other purpose.
(8)	Shares reported herein are beneficially owned by Mr. Knox's sister-in-law, over which he has investment authority. Mr. Knox disclaims beneficial ownership of these shares and this report shall not be deemed an admission that Mr. Knox is the beneficial owner of such shares for purposes of Section 16 or any other purpose.
(12)	6,668 share options reported herein are currently exercisable; and 3,332 share options will become exercisable on May 15, 2003.

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