Vista Energy buys back 50,000 Series A shares

Vista Energy, S.A.B. de C.V. repurchased 50,000 Series A shares on July 30, 2026 at Mexican Pesos $1,181.40 per share, for a total of approximately Mexican Pesos $59,070,000, excluding fees and value-added tax.

Rhea-AI Filing Summary

Vista Energy, S.A.B. de C.V. repurchased 50,000 Series A shares on July 30, 2026 at Mexican Pesos $1,181.40 per share, for a total of approximately Mexican Pesos $59,070,000, excluding fees and value-added tax. These buybacks were carried out under an authorization granted at the general ordinary shareholders’ meeting held on April 28, 2026 and were executed through Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México.

Following this transaction, 111,167,402 Series A shares were outstanding and 1,134,351 Series A shares were held in treasury as a result of repurchases by the company.

Key Figures

Shares repurchased: 50,000 Series A shares Repurchase price per share: Mexican Pesos $1,181.40 per Series A share Total repurchase amount: Mexican Pesos $59,070,000 +2 more

5 metrics

Shares repurchased 50,000 Series A shares Repurchased on July 30, 2026

Repurchase price per share Mexican Pesos $1,181.40 per Series A share Price paid in July 30, 2026 buyback

Total repurchase amount Mexican Pesos $59,070,000 Approximate total excluding fees and value-added tax

Shares outstanding after repurchase 111,167,402 Series A shares Outstanding after giving effect to July 30, 2026 repurchases

Treasury shares after repurchase 1,134,351 Series A shares Held in treasury derived from company repurchases

Key Terms

Series A shares, treasury, general ordinary shareholders’ meeting, Casa de Bolsa

4 terms

Series A shares financial

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

treasury financial

"111,167,402 Series A shares outstanding, and 1,134,351 Series A shares were held in Treasury"

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"

FAQ

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

What share repurchase did Vista Energy (VIST) complete on July 30, 2026?

Vista Energy repurchased 50,000 Series A shares on July 30, 2026 at Mexican Pesos $1,181.40 per share. The transaction totaled approximately Mexican Pesos $59,070,000, excluding fees and value-added tax, and was executed through Citi México Casa de Bolsa.

How much did Vista Energy (VIST) spend on its July 2026 share buyback?

Vista Energy spent approximately Mexican Pesos $59,070,000 repurchasing 50,000 Series A shares. The shares were bought at Mexican Pesos $1,181.40 per share, with the stated amount excluding fees and value-added tax associated with the transaction.

How many Vista Energy (VIST) shares are outstanding after the repurchase?

After the July 30, 2026 repurchase, Vista Energy had 111,167,402 Series A shares outstanding. In addition, 1,134,351 Series A shares were held in treasury, reflecting shares previously repurchased and retained by the company rather than being cancelled.

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

Following the repurchase, Vista Energy held 1,134,351 Series A shares in treasury. These treasury shares result from repurchases carried out by the company and are separate from the 111,167,402 Series A shares that remain outstanding in the market.

Under what authorization did Vista Energy (VIST) conduct the July 2026 buyback?

The repurchase was made under an approval granted at Vista Energy’s general ordinary shareholders’ meeting on April 28, 2026. This authorization allowed the company to execute the 50,000-share buyback completed on July 30, 2026 through its chosen broker.

Which broker executed Vista Energy’s (VIST) July 2026 share repurchase?

Vista Energy engaged Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México to execute the repurchase of 50,000 Series A shares. The broker carried out the transactions at Mexican Pesos $1,181.40 per share on July 30, 2026.

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

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Available on EDGAR 07/31/2026 - 06:57 AM Accepted by SEC EDGAR 07/31/2026 - 06:57 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 31, 2026

On July 30, 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 $1,181.40 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 $59,070,000. After giving effect to such repurchases, there were 111,167,402 Series A shares outstanding, and 1,134,351 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 31, 2026

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