SEC Filing - American Assets Trust, Inc.

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SEC FORM 4 SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

1. Name and Address of Reporting Person^*

Chamberlain John W.

(Last)

(First)

(Middle)

C/O AMERICAN ASSETS TRUST, INC.

11455 EL CAMINO REAL, SUITE 200

(Street)

SAN DIEGO

92130

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
American Assets Trust, Inc. [ AAT ]

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

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
CEO and President

3. Date of Earliest Transaction (Month/Day/Year)
05/10/2013

4. 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 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, par value $0.01	05/10/2013		C		2,818	A	⁽¹⁾	67,266	I	See Footnote⁽²⁾
Common Stock, par value $0.01								227,500	D

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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Operating Partnership Units⁽³⁾	⁽³⁾	05/10/2013		C⁽¹⁾			2,818	03/19/2012	⁽⁴⁾	Common Stock par value $0.01	2,818	$0⁽¹⁾	10,694	I	See Footnote⁽⁵⁾

Explanation of Responses:

1. Trust C of the W.E. & B.M. Chamberlain Trust, for which the Reporting Person is trustee, redeemed 2,818 common units of limited partnership interest ("OP Units") in American Assets Trust, L.P., a Maryland limited partnership (the "Operating Partnership"), of which the Issuer is the general partner. The OP Units are redeemable for cash equal to the then-current market value of one share of common stock, or at the election of the Issuer, for shares of the Issuer's common stock on a one-for-one basis. The Issuer elected to redeem the OP Units with common stock.

2. Amount includes (a) 2,818 shares held by Trust C of the W.E. & B.M. Chamberlain Trust, for which the Reporting Person is the trustee; (b) 13,500 shares held by a 401(k) plan; (c) 18,880 shares held by Trust A of the W.E. & B.M. Chamberlain Trust, for which the Reporting Person is the trustee; and (c) 32,068 shares held by The John W. and Rebecca S. Chamberlain Trust dated July 14, 1994, for which the Reporting Person is the trustee. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

3. Represents OP Units in the Operating Partnership. OP Units are redeemable for cash equal to the then-current market value of one share of common stock, or at the election of the Issuer, for shares of the Issuer's common stock on a one-for-one basis.

4. Not applicable.

5. By The John W. and Rebecca S. Chamberlain Trust dated July 14, 1994, for which the Reporting Person is the trustee. The Reporting Person disclaims beneficial ownership of such OP Units, except to the extent of his pecuniary interest therein.

	/s/ Michael E. Sullivan, Attorney-in-Fact	05/14/2013
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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