Vista Energy repurchases 75,000 Series A shares

Vista Energy, S.A.B. de C.V. repurchased 75,000 Series A shares on July 27, 2026 at a price of Mexican Pesos $1,183.44 per share, for a total consideration of approximately Mexican Pesos $88,758,000, excluding fees and value-added tax.

Rhea-AI Filing Summary

Vista Energy, S.A.B. de C.V. repurchased 75,000 Series A shares on July 27, 2026 at a price of Mexican Pesos $1,183.44 per share, for a total consideration of approximately Mexican Pesos $88,758,000, excluding fees and value-added tax. These transactions were carried out under an authorization granted at the general ordinary shareholders’ meeting held on April 28, 2026.

Following this repurchase, 111,317,402 Series A shares were outstanding, and 984,351 Series A shares were held in treasury as a result of buybacks executed by the company. Vista engaged Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México to execute the repurchases.

Key Figures

Shares repurchased: 75,000 Series A shares Repurchase price per share: Mexican Pesos $1,183.44 per Series A share Total repurchase amount: approximately Mexican Pesos $88,758,000 +3 more

6 metrics

Shares repurchased 75,000 Series A shares Repurchased on July 27, 2026

Repurchase price per share Mexican Pesos $1,183.44 per Series A share Price paid in July 27, 2026 transaction

Total repurchase amount approximately Mexican Pesos $88,758,000 Aggregate for 75,000 Series A shares, excluding fees and VAT

Shares outstanding after repurchase 111,317,402 Series A shares Outstanding after giving effect to July 27, 2026 buyback

Treasury shares after repurchases 984,351 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, general ordinary shareholders’ meeting, Casa de Bolsa, +1 more

5 terms

Series A shares financial

"repurchased 75,000 Series A shares of Vista, at a price of Mexican Pesos"

treasury financial

"984,351 Series A shares were held in Treasury derived from repurchases"

The treasury is the department or area within a government or organization responsible for managing its money, finances, and financial strategies. It handles tasks like collecting revenue, paying bills, and planning for future financial needs, much like a household manages its budget. For investors, understanding the treasury is important because it influences interest rates, government spending, and overall economic stability.

general ordinary shareholders’ meeting financial

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

Casa de Bolsa financial

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

value-added tax financial

"The 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.

FAQ

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

What share repurchase did Vista Energy (VIST) complete in July 2026?

Vista Energy repurchased 75,000 Series A shares on July 27, 2026 at Mexican Pesos $1,183.44 per share, for a total of approximately Mexican Pesos $88,758,000, excluding fees and value-added tax.

What was the total cost of Vista Energy (VIST)'s July 2026 buyback?

The July 2026 repurchase had a total amount of approximately Mexican Pesos $88,758,000, excluding fees and value-added tax, based on 75,000 Series A shares bought at Mexican Pesos $1,183.44 per share.

How many Vista Energy (VIST) Series A shares were outstanding after the repurchase?

After the July 27, 2026 repurchase, Vista Energy had 111,317,402 Series A shares outstanding. This figure reflects the impact of the 75,000-share buyback reported for that date.

How many Vista Energy (VIST) shares are held in treasury after the transaction?

Following the July 27, 2026 repurchase, Vista Energy held 984,351 Series A shares in treasury. These shares are derived from repurchases carried out by the company, including the latest 75,000-share transaction.

Who executed Vista Energy (VIST)'s July 2026 share repurchase?

Vista Energy engaged Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México to execute the 75,000 Series A share repurchases completed on July 27, 2026 under previously granted shareholder approval.

Under what approval did Vista Energy (VIST) repurchase shares in July 2026?

The July 27, 2026 repurchase of 75,000 Series A shares was conducted under an authorization granted at Vista Energy’s general ordinary shareholders’ meeting held on April 28, 2026.

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

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Available on EDGAR 07/28/2026 - 06:55 AM Accepted by SEC EDGAR 07/28/2026 - 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 July 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, July 28, 2026

On July 27, 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 75,000 Series A shares of Vista, at a price of Mexican Pesos $1,183.44 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 $88,758,000. After giving effect to such repurchases, there were 111,317,402 Series A shares outstanding, and 984,351 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: July 28, 2026

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