YPF (YPF) names Carlos Alejandro Berto as new Reserves Auditor

Rhea-AI Filing Summary

YPF Sociedad Anónima reported a change in its first-level organizational structure. The Board of Directors appointed Carlos Alejandro Berto as Reserves Auditor, effective October 13, 2025, replacing Raúl Stoeff Belkenoff. The notice was issued from Buenos Aires and signed by Market Relations Officer Margarita Chun.

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13A-16 OR 15D-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2025

Commission File Number: 001-12102

YPF Sociedad Anónima

(Exact name of registrant as specified in its charter)

Macacha Güemes 515

C1106BKK Buenos Aires, Argentina

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F ☒   Form 40-F ☐

YPF Sociedad Anónima

TABLE OF CONTENT

ITEM 1 Translation of letter to the Argentine Securities Commission dated September 23, 2025

City of Buenos Aires, September 23, 2025.

COMISIÓN NACIONAL DE VALORES (“CNV”)

25 de Mayo 175

City of Buenos Aires

BOLSAS Y MERCADOS ARGENTINOS S.A. (“ByMA”)

Sarmiento 299

City of Buenos Aires

A3 MERCADOS S.A. (“A3 Mercados”)

Maipu 1210

City of Buenos Aires

Present

Ref.: Changes in the First-Level Organizational Structure of YPF S.A.

Dear Ladies and Gentleman,

We are writing to you in compliance with the requirements set forth in Article 2, Chapter I, Title XII of the Rules of the CNV, and the corresponding ByMA and A3 Mercados rules.

In this regard, we inform you that at its meeting on September, the Company’s Board of Directors has appointed Mr Carlos Alejandro Berto to serve in the position of Reserves Auditor, effective October 13, 2025, replacing Mr Raúl Stoeff Belkenoff.

Yours faithfully,

Margarita Chun

Market Relations Officer

YPF S.A.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

				YPF Sociedad Anónima
Date: September 23, 2025				By:		/s/ Margarita Chun
				Name:		Margarita Chun
				Title:		Market Relations Officer

4

FAQ

What organizational change did YPF (YPF) announce in this 6-K filing?

YPF announced a change in its Reserves Auditor position. The Board of Directors appointed Carlos Alejandro Berto as Reserves Auditor, effective October 13, 2025, replacing Raúl Stoeff Belkenoff, as part of a first-level organizational structure change.

When does the new Reserves Auditor appointment at YPF (YPF) become effective?

The new Reserves Auditor appointment becomes effective on October 13, 2025. YPF’s Board decided this change at a September meeting and formally communicated it through this report to regulators and markets in Buenos Aires.

Who is the new Reserves Auditor at YPF (YPF)?

YPF appointed Carlos Alejandro Berto as its new Reserves Auditor. He was designated by the company’s Board of Directors to take over this first-level organizational role, effective October 13, 2025, replacing prior Reserves Auditor Raúl Stoeff Belkenoff.

Who did the new Reserves Auditor at YPF (YPF) replace?

The new Reserves Auditor, Carlos Alejandro Berto, replaces Raúl Stoeff Belkenoff. YPF’s Board decided this replacement as part of changes in its first-level organizational structure, and disclosed it to the CNV and local markets in Buenos Aires.

Which officer signed the YPF (YPF) report about the organizational change?

The report was signed by Market Relations Officer Margarita Chun. Acting on behalf of YPF Sociedad Anónima, she certified the communication regarding the Board’s appointment of a new Reserves Auditor and its effectiveness date of October 13, 2025.

Which regulators and markets were notified of YPF’s (YPF) organizational change?

YPF notified the CNV, ByMA, and A3 Mercados. The company addressed the communication to Argentina’s securities regulator (CNV) and local markets Bolsas y Mercados Argentinos S.A. and A3 Mercados S.A., complying with applicable disclosure rules.