<SEC-DOCUMENT>0001104659-21-038340-index.html : 20210318
<SEC-HEADER>0001104659-21-038340.hdr.sgml : 20210318
<ACCEPTANCE-DATETIME>20210318160432
ACCESSION NUMBER:		0001104659-21-038340
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20210318
DATE AS OF CHANGE:		20210318

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Information Services Group Inc.
		CENTRAL INDEX KEY:			0001371489
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		IRS NUMBER:				205261587
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33287
		FILM NUMBER:		21754358

	BUSINESS ADDRESS:	
		STREET 1:		2187 ATLANTIC STREET
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902
		BUSINESS PHONE:		203-517-3100

	MAIL ADDRESS:	
		STREET 1:		2187 ATLANTIC STREET
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>tm212411d2_defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: tm212411d2_defa14a.htm

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tm212411d2_defa14aimg001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tm212411d2_defa14aimg001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm212411d2_defa14aimg002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm212411d2_defa14aimg002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tm212411d2_defa14aimg003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tm212411d2_defa14aimg003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>tm212411d2_defa14aimg004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: tm212411d2_defa14aimg004.jpg

</DOCUMENT>
</SEC-DOCUMENT>