Vista Energy reports MXN 57M share repurchase

Vista Energy, S.A.B. de C.V. repurchased 50,000 Series A shares on August 6, 2026 at a price of Mexican Pesos $1,140.82 per share.

Rhea-AI Filing Summary

Vista Energy, S.A.B. de C.V. repurchased 50,000 Series A shares on August 6, 2026 at a price of Mexican Pesos $1,140.82 per share. These transactions were carried out under an approval granted at the general ordinary shareholders’ meeting held on April 28, 2026.

The total amount of the repurchases was approximately Mexican Pesos $57,041,000, excluding fees and value-added tax. After these transactions, 110,917,402 Series A shares were outstanding and 1,384,351 Series A shares were held in treasury. Vista engaged Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México to execute the repurchases.

Key Figures

Shares repurchased: 50,000 Series A shares Repurchase price per share: Mexican Pesos $1,140.82 per Series A share Total repurchase amount: Approximately Mexican Pesos $57,041,000 +3 more

6 metrics

Shares repurchased 50,000 Series A shares Repurchased on August 6, 2026 under shareholder-approved program

Repurchase price per share Mexican Pesos $1,140.82 per Series A share Price paid for each Series A share repurchased

Total repurchase amount Approximately Mexican Pesos $57,041,000 Aggregate consideration, excluding fees and value-added tax

Shares outstanding after repurchase 110,917,402 Series A shares Outstanding following the August 6, 2026 repurchases

Treasury shares after repurchase 1,384,351 Series A shares Held in treasury derived from repurchases carried out by the company

Shareholder approval date April 28, 2026 General ordinary shareholders’ meeting authorizing repurchases

Key Terms

Series A shares, treasury shares, general ordinary shareholders’ meeting, value-added tax, +1 more

5 terms

Series A shares financial

"repurchased 50,000 Series A shares of Vista, at a price of Mexican Pesos"

treasury shares financial

"1,384,351 Series A shares were held in Treasury derived from repurchases"

Treasury shares are a company’s own stock that it has repurchased and keeps on its books instead of canceling or leaving in the hands of outside investors. Think of them like coupons a business puts back in a drawer: they don’t vote or receive dividends while held, but they can be reissued later for employee pay or fundraising. For investors this matters because buybacks change the number of shares that count toward earnings and ownership, can boost per‑share metrics, and use corporate cash that might otherwise go to growth or dividends.

general ordinary shareholders’ meeting regulatory

"approval granted at the general ordinary shareholders’ meeting held on April 28, 2026"

value-added tax financial

"total amount of these Series A shares repurchases, excluding fees and value-added tax"

A value-added tax (VAT) is a consumption tax charged on the extra value a business creates when producing or selling goods and services; businesses collect the tax at each step and remit it to the government, while the final cost is borne by the consumer. Investors should care because VAT affects companies’ pricing, profit margins, cash flow timing and compliance costs — like toll booths on a supply chain that can change demand and profitability.

Casa de Bolsa financial

"Vista engaged Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What share repurchase did Vista Energy (VIST) report in August 2026?

Vista Energy repurchased 50,000 Series A shares on August 6, 2026. The buyback was conducted under approval from the April 28, 2026 general ordinary shareholders’ meeting and executed through Citi México Casa de Bolsa.

At what price did Vista Energy (VIST) repurchase its Series A shares?

Vista Energy repurchased its Series A shares at Mexican Pesos $1,140.82 per share. This price applied to the 50,000 Series A shares acquired on August 6, 2026 under the approved repurchase program.

What was the total amount of Vista Energy (VIST) share repurchases?

The total amount of the reported repurchases was approximately Mexican Pesos $57,041,000, excluding fees and value-added tax. This figure reflects the aggregate consideration for the 50,000 Series A shares bought back on August 6, 2026.

How many Vista Energy (VIST) Series A shares are now outstanding?

After the repurchases, there were 110,917,402 Series A shares outstanding. In addition, 1,384,351 Series A shares were held in treasury as a result of buybacks carried out by the company.

Which intermediary executed Vista Energy (VIST) share repurchases?

Vista engaged Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México to execute the Series A share repurchases. This intermediary handled the transactions associated with the approved buyback activity.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/07/2026 - 06:55 AM Accepted by SEC EDGAR 08/07/2026 - 06:55 AM Learn about SEC filing dates

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 2026

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 Renacimiento, 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 7, 2026

On August 6, 2026, 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 50,000 Series A shares of Vista, at a price of Mexican Pesos $1,140.82 per Series A share. These repurchases were made in furtherance of the approval granted at the general ordinary shareholders’ meeting held on April 28, 2026. The total amount of these Series A shares repurchases, excluding fees and value-added tax, was of approximately Mexican Pesos $57,041,000. After giving effect to such repurchases, there were 110,917,402 Series A shares outstanding, and 1,384,351 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 7, 2026

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