Chevrillon & Associes sells 450K shares; holds 10.9% of ISG (III)

Rhea-AI Filing Summary

Information Services Group Inc. Schedule 13G/A shows Chevrillon & Associes reports beneficial ownership of 5,237,495 shares, representing 10.9% of common stock.

The filing states that CPIV S.A., a subsidiary, has owned 1,219,170 shares since May 2015. In December 2025 the reporting persons executed open-market sales: Chevrillon & Associes sold 250,000 shares and CPIV sold 200,000 shares. The form is signed by Cyrille Chevrillon on 02/25/2026.

Insights

Corporate Governance Analyst

Large passive holder reports a 10.9% stake and recent open-market sales.

The filing lists 5,237,495 shares and a 10.9% ownership stake, indicating reporting person-level sole voting and dispositive power as stated. It also discloses that a subsidiary, CPIV S.A., held 1,219,170 shares since May 2015.

Sales disclosed for December 2025 total 450,000 shares across the reporting entities. Subsequent filings may update holdings; cash-flow treatment and outstanding share base are not provided in the excerpt.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 5)

Information Services Group Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

45675Y104

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 45675Y104

1

Names of Reporting Persons

Chevrillon & Associes

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

FRANCE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 5,237,495.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 5,237,495.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,237,495.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

10.9 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Information Services Group Inc.
(b)	Address of issuer's principal executive offices: 400 Atlantic Street, Sixth Floor, Stamford, CT 06901
Item 2.
(a)	Name of person filing: Chevrillon & Associes
(b)	Address or principal business office or, if none, residence: 4/6 Rond Point des Champs Elysees Paris, France 75008
(c)	Citizenship: France
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 45675Y104
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 5,237,495 CPIV S.A ("CPIV "), a subsidiary of the Reporting Person, has owned 1,219,170 shares of ISG common stock since May 2015. In December 2025, (i) Chevrillon & Associes has made open-market sales totaling 250,000 shares of ISG common stock and (ii) CPIV has made open-market sales totaling 200,000 shares of ISG common stock.
(b)	Percent of class: 10.9%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 5,237,495
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 5,237,495
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Chevrillon & Associes

Signature:	/s/ Cyrille Chevrillon
Name/Title:	Cyrille Chevrillon/President de Compagnie Financiere, Chevrillon, Associe Commandite Gerant, de Chevrillon & Associes
Date:	02/25/2026

Exhibit Information

Not applicable

FAQ

What stake does Chevrillon & Associes report in III?

Chevrillon & Associes reports beneficial ownership of 5,237,495 shares (10.9%). The Schedule 13G/A states sole voting and dispositive power over those shares and lists subsidiary holdings and recent sales in December 2025.

How many shares did CPIV S.A. hold as of this filing for III?

CPIV S.A. has owned 1,219,170 shares since May 2015. The filing identifies CPIV as a subsidiary of the reporting person and separates its holdings from Chevrillon & Associes' aggregate beneficial ownership.

Did the reporting persons sell any III shares recently?

Yes — the filing discloses open-market sales in December 2025 totaling 450,000 shares. Chevrillon & Associes sold 250,000 shares and CPIV S.A. sold 200,000 shares, per the Schedule 13G/A text.

Who signed the Schedule 13G/A for Information Services Group (III)?

The form is signed by Cyrille Chevrillon, President de Compagnie Financiere. The signature block in the excerpt shows the signer and the date 02/25/2026.

Does the filing state whether sales changed the percent ownership for III?

The filing reports 10.9% beneficial ownership after listing open-market sales. It provides the 5,237,495-share figure and the December 2025 sales amounts but does not show total shares outstanding for dilution context.