Ownership Submission
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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  Lavieri Todd D.
 2. Date of Event Requiring Statement (Month/Day/Year)
07/26/2018		 3. Issuer Name and Ticker or Trading Symbol
Information Services Group Inc. [III]
(Last)
(First)
(Middle)
2187 ATLANTIC STREET		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice Chairman
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

STAMFORD, CT 06902		 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 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)
Shares of Common Stock 237,305 (1)
D
 
Shares of Common Stock 17,904 (2)
D
 
Shares of Common Stock 43,082 (3)
D
 
Shares of Common Stock 57,841 (4)
D
 
Shares of Common Stock 81,130 (5)
D
 
Shares of Common Stock 102,302 (6)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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 control number.

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 of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Lavieri Todd D.
2187 ATLANTIC STREET
STAMFORD, CT 06902		       Vice Chairman  

Signatures

/s/ David E. Berger, attorney-in-fact 12/07/2018
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Includes 10,135 shares held by Reporting Person under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.
(2) Represents restricted stock units granted to the reporting person pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest 100% on June 1, 2019.
(3) Represents restricted stock units granted to the reporting person pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest 50% on June 1, 2019 and June 1, 2020
(4) Represents restricted stock units granted to the reporting person pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest 33% on June 1, 2019, June 1, 2020 and June 1, 2021
(5) Represents restricted stock units granted to the reporting person pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest 100% on April 1, 2019.
(6) Represents restricted stock units granted to the reporting person pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest 25% on June 1, 2019, June 1, 2020, June 1, 2021 and June 1, 2022
 
Remarks:
Exhibit List Exhibit 24 - Power of Attorney

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.