Vista Energy reports MXN 56.7M share repurchase

Vista Energy, S.A.B. de C.V. reported the repurchase of 50,000 Series A shares on August 13, 2026, at a price of Mexican Pesos $1,133.76 per share, for a total of approximately Mexican Pesos $56,688,000, excluding fees and value-added tax.

Rhea-AI Filing Summary

Vista Energy, S.A.B. de C.V. reported the repurchase of 50,000 Series A shares on August 13, 2026, at a price of Mexican Pesos $1,133.76 per share, for a total of approximately Mexican Pesos $56,688,000, excluding fees and value-added tax. These repurchases were carried out under an authorization granted at the general ordinary shareholders’ meeting held on April 28, 2026. After the transaction, Vista had 110,667,402 Series A shares outstanding and 1,634,351 Series A shares held in treasury from repurchase programs. Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México, executed the repurchases.

Key Figures

Shares repurchased: 50,000 Series A shares Repurchase price: Mexican Pesos $1,133.76 per Series A share Total repurchase amount: Mexican Pesos $56,688,000 +2 more

5 metrics

Shares repurchased 50,000 Series A shares Repurchased on August 13, 2026

Repurchase price Mexican Pesos $1,133.76 per Series A share Price paid for each repurchased share

Total repurchase amount Mexican Pesos $56,688,000 Approximate total, excluding fees and value-added tax

Shares outstanding after repurchase 110,667,402 Series A shares Outstanding following the August 13, 2026 transaction

Treasury shares after repurchases 1,634,351 Series A shares Held in treasury from repurchases carried out by the company

Key Terms

treasury, general ordinary shareholders’ meeting, Casa de Bolsa

3 terms

treasury financial

"1,634,351 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 regulatory

"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 in August 2026?

Vista Energy repurchased 50,000 Series A shares on August 13, 2026, at Mexican Pesos $1,133.76 per share, under a previously approved shareholder authorization.

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

Vista Energy spent approximately Mexican Pesos $56,688,000 to repurchase 50,000 Series A shares, excluding fees and value-added tax, as part of its approved repurchase program.

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

Following the August 13, 2026 repurchase, Vista Energy reported 110,667,402 Series A shares outstanding and 1,634,351 Series A shares held in treasury from prior repurchases.

Who executed Vista Energy’s (VIST) August 2026 Series A share repurchases?

Vista Energy engaged Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México to execute the August 13, 2026 repurchases of its Series A shares.

Under what authorization were Vista Energy (VIST) shares repurchased in August 2026?

The August 13, 2026 repurchases were made pursuant to approval granted at the 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 08/14/2026 - 06:55 AM Accepted by SEC EDGAR 08/14/2026 - 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 14, 2026

On August 13, 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 $1,133.76 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 $56,688,000. After giving effect to such repurchases, there were 110,667,402 Series A shares outstanding, and 1,634,351 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 14, 2026

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