Vice chair of Information Services Group (III) surrenders 35,575 shares for tax withholding

Rhea-AI Filing Summary

Information Services Group Inc. vice chairman Todd D. Lavieri reported a routine share disposition related to taxes. On June 1, 2026, 35,575 shares of common stock were withheld at $4.51 per share to satisfy tax obligations from vesting restricted stock units. After this tax-withholding transaction, Lavieri directly owned 1,203,693 shares of common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Lavieri Todd D.

Role VICE CHAIRMAN

Type	Security	Shares	Price	Value
Tax Withholding	Shares of Common Stock	35,575	$4.51	$160K

Holdings After Transaction: Shares of Common Stock — 1,203,693 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares withheld for taxes: 35,575 shares Withholding price per share: $4.51 per share Shares owned after transaction: 1,203,693 shares +2 more

5 metrics

Shares withheld for taxes 35,575 shares Withheld to satisfy tax obligations on RSU vesting on June 1, 2026

Withholding price per share $4.51 per share Value used for tax-withholding disposition of 35,575 shares

Shares owned after transaction 1,203,693 shares Direct common stock holdings of Todd D. Lavieri following tax withholding

Tax-withholding transactions 1 transaction Number of tax-withholding dispositions reported in this Form 4

Shares in tax-withholding dispositions 35,575 shares Total shares involved in tax-withholding dispositions per transaction summary

Key Terms

restricted stock units, Rule 16b-3, tax withholding obligations, deemed disposition

4 terms

restricted stock units financial

"in connection with vesting of restricted stock units issued in accordance with Rule 16b-3"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Rule 16b-3 regulatory

"restricted stock units issued in accordance with Rule 16b-3"

Rule 16b-3 is a Securities and Exchange Commission regulation that exempts certain routine, pre-approved transactions by company insiders from automatic liability for short-term trading profits. It acts like a safe harbor: if an insider follows a formal plan or the board approves specific transactions in advance, profits from buying and selling company stock within six months are not automatically reclaimed. Investors care because the rule clarifies when insider trades are permissible and reduces uncertainty about potential clawbacks.

tax withholding obligations financial

"withholding of shares of common stock to satisfy tax withholding obligations in connection with vesting"

deemed disposition financial

"Represents deemed disposition of shares of common stock to the Issuer as a result of withholding"

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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 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)
06/01/2026

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	06/01/2026		F(1)		35,575	D	$4.51	1,203,693	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	06/03/2026
	** 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 Information Services Group (III) report?

Information Services Group reported vice chairman Todd D. Lavieri had 35,575 common shares withheld. The shares were used to cover tax obligations tied to vesting restricted stock units, not an open-market sale or discretionary trade.

How many Information Services Group shares were withheld for taxes?

A total of 35,575 Information Services Group common shares were withheld. The withholding occurred at a price of $4.51 per share to satisfy tax liabilities from the vesting of restricted stock units granted as compensation.

What are Todd D. Lavieri’s holdings after this Form 4 transaction in III?

Following the tax-withholding disposition, vice chairman Todd D. Lavieri directly owns 1,203,693 Information Services Group common shares. This figure reflects his remaining stake after the 35,575 shares were surrendered to cover tax obligations.

Was the III insider transaction an open-market sale by Todd D. Lavieri?

No, the transaction was not an open-market sale. It was a deemed disposition where 35,575 shares were withheld by the issuer to cover tax withholding obligations upon vesting of restricted stock units under Rule 16b-3.

What does a tax-withholding disposition mean for III insiders?

A tax-withholding disposition means the company withholds shares to pay taxes when equity awards vest. For III, 35,575 shares were withheld from Todd D. Lavieri’s award, simplifying tax payment without requiring a separate cash transaction or market sale.