Vista Energy repurchases 50,000 Series A shares

Vista Energy, S.A.B. de C.V. repurchased 50,000 Series A shares on July 29, 2026 at a price of Mexican Pesos $1,161.63 per share, for a total of approximately Mexican Pesos $58,081,500, 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 29, 2026 at a price of Mexican Pesos $1,161.63 per share, for a total of approximately Mexican Pesos $58,081,500, excluding fees and value-added tax. These repurchases were made under the approval granted at the general ordinary shareholders’ meeting held on April 28, 2026.

After these transactions, 111,217,402 Series A shares were outstanding and 1,084,351 Series A shares were held in treasury 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 the buybacks.

Key Figures

Series A shares repurchased: 50,000 shares Repurchase price per share: Mexican Pesos $1,161.63 Total repurchase amount: Mexican Pesos $58,081,500 +2 more

5 metrics

Series A shares repurchased 50,000 shares Repurchased on July 29, 2026 under shareholder approval

Repurchase price per share Mexican Pesos $1,161.63 Price paid for each Series A share repurchased

Total repurchase amount Mexican Pesos $58,081,500 Aggregate for 50,000 shares, excluding fees and value-added tax

Shares outstanding after repurchase 111,217,402 Series A shares Series A shares outstanding after giving effect to the buyback

Treasury shares after repurchase 1,084,351 Series A shares Held in treasury derived from repurchases carried out by the company

Key Terms

Series A shares, treasury shares, 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 shares financial

"1,084,351 Series A shares were held in Treasury derived"

Treasury shares are a company’s own stock that it has repurchased and keeps on its books instead of canceling or leaving in the hands of outside investors. Think of them like coupons a business puts back in a drawer: they don’t vote or receive dividends while held, but they can be reissued later for employee pay or fundraising. For investors this matters because buybacks change the number of shares that count toward earnings and ownership, can boost per‑share metrics, and use corporate cash that might otherwise go to growth or dividends.

general ordinary shareholders’ meeting financial

"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 July 2026?

Vista Energy repurchased 50,000 Series A shares on July 29, 2026. The shares were bought at Mexican Pesos $1,161.63 each, for a total of approximately Mexican Pesos $58,081,500, excluding fees and value-added tax, under prior shareholder approval.

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

Vista Energy repurchased its Series A shares at Mexican Pesos $1,161.63 per share. This price applied to the 50,000 shares bought on July 29, 2026, resulting in an aggregate repurchase amount of about Mexican Pesos $58,081,500, excluding fees and value-added tax.

How many Vista Energy (VIST) shares remain outstanding after the July 2026 buyback?

After the repurchase, Vista Energy had 111,217,402 Series A shares outstanding. Additionally, the company held 1,084,351 Series A shares in treasury derived from repurchases carried out by the company up to that date.

What is Vista Energy’s current treasury share balance after the July 2026 repurchase?

Following the July 29, 2026 transaction, Vista Energy held 1,084,351 Series A shares in treasury. These treasury shares result from repurchases executed by the company, including the latest buyback of 50,000 shares authorized by shareholders on April 28, 2026.

Which broker executed Vista Energy’s (VIST) July 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 broker carried out the 50,000-share buyback at Mexican Pesos $1,161.63 per share on July 29, 2026.

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

The repurchases were made in furtherance of the approval granted at Vista Energy’s general ordinary shareholders’ meeting on April 28, 2026. This authorization allowed the company to repurchase Series A shares, including the 50,000-share transaction in July 2026.

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

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Available on EDGAR 07/30/2026 - 06:55 AM Accepted by SEC EDGAR 07/30/2026 - 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 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 30, 2026

On July 29, 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 $1,161.63 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 $58,081,500. After giving effect to such repurchases, there were 111,217,402 Series A shares outstanding, and 1,084,351 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 30, 2026

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