<SEC-DOCUMENT>0001500217-21-000165-index.html : 20211203
<SEC-HEADER>0001500217-21-000165.hdr.sgml : 20211203
<ACCEPTANCE-DATETIME>20211203172652
ACCESSION NUMBER:		0001500217-21-000165
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20211203
DATE AS OF CHANGE:		20211203

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			American Assets Trust, Inc.
		CENTRAL INDEX KEY:			0001500217
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-252097
		FILM NUMBER:		211471239

	BUSINESS ADDRESS:	
		STREET 1:		3420 CARMEL MOUNTAIN ROAD
		STREET 2:		SUITE 100
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		(858) 350-2600

	MAIL ADDRESS:	
		STREET 1:		3420 CARMEL MOUNTAIN ROAD
		STREET 2:		SUITE 100
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>atmprospectussupplementdec.htm
<DESCRIPTION>PROSPECTUS SUPPLEMENT
<TEXT>
Document 1 - file: atmprospectussupplementdec.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>image_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: image_0.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>image_11a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: image_11a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>image_12a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: image_12a.jpg

</DOCUMENT>
</SEC-DOCUMENT>