Vista Energy details August 2026 share buyback

Vista Energy, S.A.B. de C.V. reported that on August 12, 2026 it repurchased 50,000 Series A shares at Mexican Pesos $1,134.72 per share, for a total of approximately Mexican Pesos $56,736,000 excluding fees and VAT.

Rhea-AI Filing Summary

Vista Energy, S.A.B. de C.V. reported that on August 12, 2026 it repurchased 50,000 Series A shares at Mexican Pesos $1,134.72 per share, for a total of approximately Mexican Pesos $56,736,000 excluding fees and VAT. These repurchases were made under an authorization granted at the general ordinary shareholders’ meeting held on April 28, 2026.

After these transactions, Vista had 110,717,402 Series A shares outstanding, with 1,584,351 Series A shares held in treasury from company repurchases. Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México executed the buyback.

Key Figures

Shares repurchased: 50,000 Series A shares Repurchase price per share: Mexican Pesos $1,134.72 Total repurchase amount: Mexican Pesos $56,736,000 +2 more

5 metrics

Shares repurchased 50,000 Series A shares Repurchased on August 12, 2026

Repurchase price per share Mexican Pesos $1,134.72 Price per Series A share repurchased

Total repurchase amount Mexican Pesos $56,736,000 Aggregate for the 50,000 shares, excluding fees and VAT

Shares outstanding after repurchase 110,717,402 Series A shares Outstanding following the August 12, 2026 buyback

Treasury shares after repurchase 1,584,351 Series A shares Held in treasury 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"

treasury financial

"1,584,351 Series A shares were held in Treasury derived"

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"

Casa de Bolsa financial

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

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 12, 2026 at Mexican Pesos $1,134.72 per share. The total amount of this buyback was approximately Mexican Pesos $56,736,000, excluding fees and value-added tax, executed through Citi México Casa de Bolsa.

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

Vista Energy repurchased its Series A shares at Mexican Pesos $1,134.72 per share. This price applied to 50,000 shares, resulting in an aggregate repurchase amount of about Mexican Pesos $56,736,000, excluding fees and VAT, under its approved buyback program.

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

Following the August 12, 2026 repurchase, Vista Energy had 110,717,402 Series A shares outstanding. In addition, 1,584,351 Series A shares were held in treasury, derived from repurchases previously carried out by the company under shareholder authorization.

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

After the reported transactions, Vista Energy held 1,584,351 Series A shares in treasury. These treasury shares result from repurchases carried out by the company, including the 50,000 shares bought back on August 12, 2026 under the existing shareholder approval.

Which firm executed Vista Energy’s (VIST) August 2026 share repurchases?

Vista Energy engaged Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México to execute the Series A share repurchases. This firm carried out the 50,000-share buyback at Mexican Pesos $1,134.72 per share on August 12, 2026.

What shareholder authorization allowed Vista Energy (VIST) to repurchase shares?

The repurchases were conducted under an approval granted at Vista Energy’s general ordinary shareholders’ meeting held on April 28, 2026. The August 12, 2026 buyback of 50,000 Series A shares was described as in furtherance of this shareholder authorization.

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

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Available on EDGAR 08/13/2026 - 06:55 AM Accepted by SEC EDGAR 08/13/2026 - 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 13, 2026

On August 12, 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 $1,134.72 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 $56,736,000. After giving effect to such repurchases, there were 110,717,402 Series A shares outstanding, and 1,584,351 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 13, 2026

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