Company: VIST
Filing Date: 2025-03-20
Form Type: 6-K
Source: 0001193125-25-058970
Chunk: 0

Company: Vista Energy, S.A.B. de C.V.
Filing Date: 2025-03-20
Form: 6-K
Chunk 0
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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER

PURSUANT TO RULE 13a-16OR 15d-16

UNDER SECURITIES EXCHANGE ACT OF 1934

For the month of March 2025

Commission File No. 001-39000

Vista Energy, S.A.B. de C.V.

(Exact Name of the Registrant as Specified in the Charter)

N.A.

(Translation of Registrant’s Name into English)

Torre Mapfre,

243 Paseo de la Reforma Avenue, 18 thFloor

Colonia Renacimiento, Alcaldía Cuauhtémoc

06600, Mexico City

Mexico

(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 ☐

Indicate by check mark if the registrant is submitting the Form
6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

Indicate by check mark whether the registrant by furnishing the information contained
in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:

Yes ☐ No ☒

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule
12g3-2(b): Not applicable.

Advance Notice of 1st Quarter of 2025 Results

Mexico City, March 20, 2025 — Vista Energy, S.A.B. de C.V. (“Vista” or the “Company”) (NYSE: VIST; BMV: VISTA) announced today
that it will release its consolidated financial statements for the first quarter of 2025 on Wednesday, April 23, 2025, after market closes.

The
Company will present the results through a webcast on Thursday, April 24, 2025, at 7:00 am Mexico City time (9:00 am ET; 10:00 am BAT).

The webcast
will be accessible on