ISG (III) vice chairman Todd D. Lavieri receives 55,970 RSU award

Rhea-AI Filing Summary

Information Services Group Inc. vice chairman Todd D. Lavieri reported receiving an equity grant of 55,970 shares of common stock in the form of restricted stock units at a reference price of $4.02 per share. These RSUs were granted under the company’s Amended and Restated 2007 Equity and Incentive Award Plan and will vest 100% on March 13, 2027.

Following this award, Lavieri directly holds 1,159,907 shares of common stock, which include 2,187 shares acquired through the company’s Amended and Restated 2007 Employee Stock Purchase Plan. This filing reflects a compensation-related share acquisition rather than an open-market purchase.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Lavieri Todd D.

Role VICE CHAIRMAN

Type	Security	Shares	Price	Value
Grant/Award	Shares of Common Stock	55,970	$4.02	$225K

Holdings After Transaction: Shares of Common Stock — 1,159,907 shares (Direct)

Footnotes (1)

1. Represents restricted stock units (RSUs) granted to the reporting pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest 100% on March 13, 2027. Includes 2,187 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

Form 4 Insider Transactions: What Each Field Means →

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lavieri Todd D.

(Last) (First) (Middle)

400 ATLANTIC STREET

(Street)

STAMFORD CT 06901

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Information Services Group Inc. [ III ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VICE CHAIRMAN

3. Date of Earliest Transaction (Month/Day/Year)
03/13/2026

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)
			Code	V	Amount	(A) or (D)	Price
Shares of Common Stock	03/13/2026		A(1)		55,970	A	$4.02	1,159,907(2)	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents restricted stock units (RSUs) granted to the reporting pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest 100% on March 13, 2027.

2. Includes 2,187 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.

	/s/ Michael A. Sherrick, Attorney-in-Fact	03/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.

FAQ

What insider transaction did Todd D. Lavieri report for Information Services Group (III)?

Todd D. Lavieri reported receiving a grant of 55,970 restricted stock units of Information Services Group common stock. The award is recorded at a reference price of $4.02 per share and represents compensation, not an open-market share purchase or sale by the executive.

How many RSUs were granted to Todd D. Lavieri and when do they vest?

Todd D. Lavieri was granted 55,970 restricted stock units of Information Services Group common stock. Under the company’s Amended and Restated 2007 Equity and Incentive Award Plan, these RSUs are scheduled to vest 100% on March 13, 2027, subject to the plan’s standard terms and conditions.

What is Todd D. Lavieri’s total Information Services Group (III) share ownership after this grant?

After the grant, Todd D. Lavieri directly holds 1,159,907 shares of Information Services Group common stock. This total includes 2,187 shares acquired through the company’s Amended and Restated 2007 Employee Stock Purchase Plan, alongside his newly granted restricted stock units reported in the Form 4 filing.

Was Todd D. Lavieri’s recent Form 4 for Information Services Group (III) an open-market purchase?

No, the Form 4 shows a compensation-related award, not an open-market purchase. The 55,970 shares reflect restricted stock units granted under the company’s equity and incentive plan, recorded at $4.02 per share, and vesting in full on March 13, 2027, per the plan terms.

Which company plans are referenced in Todd D. Lavieri’s Information Services Group (III) Form 4?

The filing cites the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan for the 55,970 restricted stock units, and the Amended and Restated 2007 Employee Stock Purchase Plan for 2,187 shares included in his total direct holdings after the reported transaction.