Vista Energy (NYSE: VIST) buys back 100,000 shares at MXN 780 each

Rhea-AI Filing Summary

Vista Energy reported that on August 14, 2025 it repurchased 100,000 Series A shares at a price of Mexican Pesos $780.42 per share. These buybacks were carried out under an approval granted at the general ordinary shareholders’ meeting held on April 9, 2025.

The total value of the repurchased shares was approximately Mexican Pesos $78,042,000, excluding fees and value-added tax. After these transactions, Vista had 105,038,955 Series A shares outstanding, and 1,039,578 Series A shares held in treasury as a result of prior repurchases. The company engaged Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México to execute the transactions.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER

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

UNDER SECURITIES EXCHANGE ACT OF 1934

For the month of August 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, 18th Floor

Colonia Cuauhtémoc, Alcaldía Cuauhtémoc

06500, 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 ☐

Mexico City, Mexico, August 15, 2025

On August 14, 2025, Vista Energy, S.A.B. de C.V. (“Vista”) (NYSE: VIST in the New York Stock Exchange; BMV: VISTA in the Mexican Stock Exchange) repurchased 100,000 Series A shares of Vista, at a price of Mexican Pesos $780.42 per Series A share. These repurchases were made in furtherance of the approval granted at the general ordinary shareholders’ meeting held on April 9, 2025. The total amount of these Series A shares repurchases, excluding fees and value-added tax, was of approximately Mexican Pesos $78,042,000. After giving effect to such repurchases, there were 105,038,955 Series A shares outstanding, and 1,039,578 Series A shares were held in Treasury derived from repurchases carried out by the Company. Vista engaged Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México to execute these Series A shares repurchases.

Enquiries:

Investor Relations:

ir@vistaenergy.com

Argentina: +54 11 3754 8500

Mexico: +52 55 1555 7104

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.

Date: August 15, 2025

VISTA ENERGY, S.A.B. DE C.V.
By:		/s/ Alejandro Cherñacov
Name:		Alejandro Cherñacov
Title:		Strategic Planning and Investor Relations Officer

FAQ

What did Vista Energy (VIST) disclose in this 6-K filing?

Vista Energy disclosed that it repurchased 100,000 Series A shares on August 14, 2025 under a previously approved share repurchase authorization.

How many Vista Energy shares were repurchased and at what price?

Vista Energy repurchased 100,000 Series A shares at a price of Mexican Pesos $780.42 per share.

What was the total amount spent on Vista Energy’s share repurchase?

The total amount for these repurchases was approximately Mexican Pesos $78,042,000, excluding fees and value-added tax.

How many Vista Energy shares are outstanding after the repurchase?

After the repurchase, Vista Energy had 105,038,955 Series A shares outstanding.

How many Vista Energy shares are held in treasury after these transactions?

Following the repurchase, Vista Energy had 1,039,578 Series A shares held in treasury from repurchases carried out by the company.

Which financial institution executed Vista Energy’s share repurchase?

The repurchase of Series A shares was executed by Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México.

Under what authorization were Vista Energy’s share repurchases made?

The repurchases were made in furtherance of the approval granted at the general ordinary shareholders’ meeting held on April 9, 2025.