Thomas S. Kucinski - 18 Aug 2026 Form 4 Insider Report for Information Services Group Inc. (III)

Reporting relationship: EVP, CHIEF HR
Issuer ticker: III
Reported as of: 18 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 20 Aug 2026, 16:36:51 UTC
Prior SEC filing: 03 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Michael A. Sherrick, Attorney-in-Fact

Key filing fact

Thomas S. Kucinski filed Form 4 for Information Services Group Inc. (III) on 20 Aug 2026.

Key facts

This page summarizes Thomas S. Kucinski's Form 4 filing for Information Services Group Inc. (III).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 20 Aug 2026, 16:36.

Change

Previous filing in this sequence was filed on 03 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001708533 Primary reporting owner

Kucinski Thomas S.

Relationship: EVP, CHIEF HR
Address: 400 ATLANTIC STREET, STAMFORD
Signature: /s/ Michael A. Sherrick, Attorney-in-Fact
Signature date: 20 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

III transaction

Shares of Common Stock

Options Exercise

Transaction value
Shares: +7,764
Change %: +2.3%
Price
Shares after: 340,781
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F1

III transaction

Shares of Common Stock

Tax liability

Transaction value
Shares: -4,197
Change %: -1.2%
Price: $4.93^*
Shares after: 336,820
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F2, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

III transaction Derivative

Performance Based RSUs

Options Exercise

Transaction value
Shares: -7,764
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 18 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,764
Exercise price
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

On June 2, 2025, the Reporting Person received a grant of RSUs that could be earned based on the achievement of market price goals, which were measured as the average closing price of issuer's common stock over any ten consecutive trading day period beginning with the first anniversary of the award. 100% of the number of RSUs will be earned if the measured market price is $5.00 or above This performance condition was met on August 18, 2026, and 100% of the performance-based RSUs were fully vested.

Footnote F2

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.

Footnote F3

Includes 236 shares acquired under the Information Services Group, Inc. Amended and Restated 2007 Employee Stock Purchase Plan.