Vista Energy (VIST) repurchases 50,000 Series A shares in August 2026

Rhea-AI Filing Summary

Vista Energy, S.A.B. de C.V. reported that on August 11, 2026 it repurchased 50,000 Series A shares at Mexican Pesos $1,141.81 per share, for a total of approximately Mexican Pesos $57,090,500, excluding fees and value-added tax. The buybacks were carried out under an authorization approved at the general ordinary shareholders’ meeting held on April 28, 2026 and executed through Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México. After these repurchases, 110,767,402 Series A shares were outstanding and 1,534,351 Series A shares were held in treasury.

Key Figures

Shares repurchased: 50,000 Series A shares Repurchase price per share: Mexican Pesos $1,141.81 Total repurchase amount: Mexican Pesos $57,090,500 +2 more

5 metrics

Shares repurchased 50,000 Series A shares Repurchased on August 11, 2026

Repurchase price per share Mexican Pesos $1,141.81 Price paid per Series A share repurchased

Total repurchase amount Mexican Pesos $57,090,500 Aggregate amount for 50,000 Series A shares, excluding fees and VAT

Shares outstanding after repurchase 110,767,402 Series A shares Outstanding following the August 11, 2026 repurchases

Treasury shares after repurchase 1,534,351 Series A shares Held in treasury derived from company repurchases

Key Terms

Series A shares, Treasury, general ordinary shareholders’ meeting, value-added tax, +1 more

5 terms

Series A shares financial

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

Treasury financial

"1,534,351 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"

value-added tax financial

"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.

Casa de Bolsa financial

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

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FAQ

What did Vista Energy (VIST) disclose in its August 2026 6-K?

Vista Energy disclosed that it repurchased 50,000 Series A shares on August 11, 2026 at MXN $1,141.81 per share, totaling approximately MXN $57,090,500, excluding fees and value-added tax, under previously approved shareholder authorization.

How many Vista Energy (VIST) shares were repurchased and at what price?

Vista Energy repurchased 50,000 Series A shares at a price of Mexican Pesos $1,141.81 per share. The aggregate amount for these repurchases was approximately Mexican Pesos $57,090,500, excluding fees and value-added tax, as part of its authorized buyback program.

What is Vista Energy’s (VIST) share count after the August 2026 repurchase?

After the August 11, 2026 repurchase, Vista Energy had 110,767,402 Series A shares outstanding, with an additional 1,534,351 Series A shares held in treasury, derived from repurchases previously carried out by the company under its authorized program.

Under what authorization did Vista Energy (VIST) execute the August 2026 buyback?

The repurchase of 50,000 Series A shares was carried out in furtherance of an approval granted at Vista Energy’s general ordinary shareholders’ meeting on April 28, 2026, which authorized the company to conduct share repurchases within specified parameters.

Which broker 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 repurchase of 50,000 Series A shares on August 11, 2026 as part of its approved share buyback activities.

How can investors contact Vista Energy (VIST) regarding this repurchase?

Investors can contact Vista Energy’s Investor Relations at ir@vistaenergy.com, by phone in Argentina at +54 11 3754 8500 or in Mexico at +52 55 1555 7104 for questions regarding the August 2026 share repurchase.

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 12, 2026

On August 11, 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 $1,141.81 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 $57,090,500. After giving effect to such repurchases, there were 110,767,402 Series A shares outstanding, and 1,534,351 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 12, 2026

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