Information Services Group (III) vice chair uses shares to cover tax withholding

Rhea-AI Filing Summary

Information Services Group Inc. vice chairman Todd D. Lavieri reported a tax-related share withholding, not an open-market sale. On the transaction date, 19,379 shares of common stock were withheld at $4.01 per share to satisfy tax obligations tied to vesting restricted stock units under Rule 16b-3.

These shares are treated as a deemed disposition back to the company rather than shares sold in the market. After this withholding, Lavieri directly holds 1,140,528 shares of Information Services Group common stock, indicating the transaction is small relative to his overall equity position.

Insights

Equity analyst

Routine tax withholding using shares; no open-market selling signal.

The filing shows an F-code transaction, meaning shares were surrendered to cover taxes on vesting restricted stock units. A total of 19,379 common shares were withheld at $4.01 per share, classified as a deemed disposition to the issuer.

Following this event, vice chairman Todd D. Lavieri directly owns 1,140,528 shares, so the withheld amount is small compared with his position. Because the transaction is tax-driven and non-market, it carries limited informational value about his view of the stock.

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

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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).

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 CONNECTICUT 06901

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/17/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	03/17/2026		F(1)		19,379	D	$4.01	1,140,528	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 deemed disposition of shares of common stock to the Issuer as a result of withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting of restricted stock units issued in accordance with Rule 16b-3.

	/s/ Michael A. Sherrick, Attorney-in-Fact	03/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did III executive Todd D. Lavieri report?

Todd D. Lavieri reported a tax-related share disposition, not a market sale. 19,379 Information Services Group common shares were withheld at $4.01 per share to satisfy tax obligations from vesting restricted stock units under Rule 16b-3.

Was the Information Services Group (III) Form 4 a stock sale?

No, the Form 4 does not show an open-market stock sale. It records an F-code transaction where 19,379 common shares were deemed disposed to the issuer to cover tax withholding on vesting restricted stock units.

How many Information Services Group shares were involved in the tax withholding?

The transaction used 19,379 shares of Information Services Group common stock. These shares were valued at $4.01 each for tax purposes and were surrendered back to the company to satisfy withholding obligations related to restricted stock unit vesting.

How many Information Services Group (III) shares does Todd D. Lavieri hold after this filing?

After the reported tax-withholding disposition, Todd D. Lavieri directly owns 1,140,528 shares of Information Services Group common stock. This indicates the 19,379 shares withheld for taxes represent a relatively small portion of his overall equity holdings.

What does the F transaction code mean in the III Form 4 filing?

The F code indicates payment of an exercise price or tax liability by delivering securities. In this case, 19,379 Information Services Group shares were deemed disposed to the issuer to cover tax withholding triggered by vesting restricted stock units under Rule 16b-3.