Form 6-K YPF SOCIEDAD ANONIMA For: Oct 28

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 October 2026

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 (Comisión Nacional de Valores) dated October 28, 2026.

Buenos Aires, October 28, 2026

COMISIÓN NACIONAL DE VALORES (“CNV”)

25 de Mayo 175

Buenos Aires

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

Sarmiento 299

Buenos Aires

A3 MERCADOS S.A. (“A3 Mercados”)

Maipú 1210

Buenos Aires

Ref: Financial Statements as of 09/30/2026

Dear Sirs:

In order to comply with the requirements of Article No. 63, of the ByMA Listing Regulations, we inform you that the Board of Directors of YPF S.A. (the “Company”) at its meeting held on October 28, 2026, approved the condensed interim financial statements for the nine-month period ended September 30, 2026. Relevant information of the condensed consolidated interim financial statements of YPF S.A. follows:

1) Net profit for the period (in millions of pesos)

2) Other comprehensive income for the period (in millions of pesos)

3) Comprehensive income for the period (in millions of pesos)

4) Detail of Shareholders’ equity as of 09/30/2026 (in millions of pesos)

5. Shares owned by the parent group

As of September 30, 2026, the number of shares belonging to the controlling shareholder of the Company amounted to 2,005,932,890 shares, which include 2,005,895,250 class D shares and 37,640 class A shares.

6. Shares with rights to securities representing debt convertible into shares and/or purchase options over company shares, corresponding to ownership of the shareholder or parent group

None.

7. Controlling shareholder of the company:

Argentine National State - Ministry of Economy - Secretary of Energy, with legal domicile at Hipólito Yrigoyen 250, Autonomous City of Buenos Aires.

Yours faithfully,

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.