Vista Energy completes August 2026 share repurchase

Vista Energy, S.A.B. de C.V. reported that on August 7, 2026 it repurchased 50,000 Series A shares at a price of Mexican Pesos $1,134.42 per share, under a repurchase authorization approved at the general ordinary shareholders’ meeting held on April 28, 2026.

Rhea-AI Filing Summary

Vista Energy, S.A.B. de C.V. reported that on August 7, 2026 it repurchased 50,000 Series A shares at a price of Mexican Pesos $1,134.42 per share, under a repurchase authorization approved at the general ordinary shareholders’ meeting held on April 28, 2026. The total consideration for these repurchases was approximately Mexican Pesos $56,721,000, excluding fees and value-added tax. After these transactions, Vista had 110,867,402 Series A shares outstanding, and 1,434,351 Series A shares were held in treasury as a result of repurchases carried out by the company. Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México was engaged to execute the repurchase transactions.

Key Figures

Shares repurchased: 50,000 Series A shares Repurchase price per share: Mexican Pesos $1,134.42 per Series A share Total repurchase amount: Mexican Pesos $56,721,000 +2 more

5 metrics

Shares repurchased 50,000 Series A shares Repurchased on August 7, 2026 under shareholder-approved program

Repurchase price per share Mexican Pesos $1,134.42 per Series A share Price paid for each share in the August 7, 2026 buyback

Total repurchase amount Mexican Pesos $56,721,000 Aggregate consideration for 50,000 shares, excluding fees and VAT

Shares outstanding after repurchase 110,867,402 Series A shares Outstanding following effect of August 7, 2026 repurchases

Treasury shares after repurchase 1,434,351 Series A shares Held in treasury derived from repurchases carried out by the company

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

"1,434,351 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 held"

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 7, 2026 at Mexican Pesos $1,134.42 per share, under an authorization granted at the April 28, 2026 general ordinary shareholders’ meeting.

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

Vista Energy paid approximately Mexican Pesos $56,721,000 for the August 7, 2026 repurchase of 50,000 Series A shares, excluding fees and value-added tax, according to the company’s disclosure.

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

Following the August 7, 2026 repurchase, Vista Energy reported 110,867,402 Series A shares outstanding. This figure reflects the effect of the 50,000 Series A shares bought back under the shareholder-approved program.

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

After the reported repurchase, Vista Energy held 1,434,351 Series A shares in treasury, derived from repurchases carried out by the company, in addition to the 110,867,402 Series A shares outstanding.

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

Vista Energy engaged Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México to execute the August 7, 2026 repurchases of its Series A shares, as described in the company’s report.

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

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Available on EDGAR 08/10/2026 - 06:55 AM Accepted by SEC EDGAR 08/10/2026 - 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 10, 2026

On August 7, 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 $1,134.42 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 $56,721,000. After giving effect to such repurchases, there were 110,867,402 Series A shares outstanding, and 1,434,351 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 10, 2026

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