Which broker executed Vista Energy’s (VIST) Series A 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 handled the purchase of 50,000 shares on July 31, 2026, in line with the company’s approved share buyback authorization.

Vista Energy repurchases 50,000 Series A shares

Q: What share repurchase did Vista Energy (VIST) complete on July 31, 2026?

Vista Energy repurchased 50,000 Series A shares on July 31, 2026 at Mexican Pesos $1,215.85 per share. The transaction totaled approximately Mexican Pesos $60,792,500, excluding fees and value-added tax, and was executed under a general ordinary shareholders’ meeting authorization.

Q: How many Vista Energy (VIST) shares are outstanding after the repurchase?

After the repurchase, Vista Energy has 111,117,402 Series A shares outstanding and 1,184,351 Series A shares held in treasury. These figures reflect shares remaining in the market and those repurchased and retained by the company under its authorized buyback activity.

Q: What was the total peso amount of Vista Energy’s (VIST) repurchase?

The Series A share repurchases totaled approximately Mexican Pesos $60,792,500, excluding fees and value-added tax. This amount reflects the purchase price of 50,000 shares at Mexican Pesos $1,215.85 per share and does not include any associated transaction costs payable by Vista.

Vista Energy, S.A.B. de C.V. repurchased 50,000 Series A shares on July 31, 2026 at Mexican Pesos $1,215.85 per share, for a total of approximately Mexican Pesos $60,792,500 excluding fees and value-added tax.

Accepted by SEC EDGAR 08/03/2026 - 06:55 AM EDT

Filing Impact

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Form Type

6-K

Rhea-AI Filing Summary

Vista Energy, S.A.B. de C.V. repurchased 50,000 Series A shares on July 31, 2026 at Mexican Pesos $1,215.85 per share, for a total of approximately Mexican Pesos $60,792,500 excluding fees and value-added tax. The transaction was conducted under an authorization granted at the general ordinary shareholders’ meeting held on April 28, 2026.

After these repurchases, Vista has 111,117,402 Series A shares outstanding and 1,184,351 Series A shares held in treasury from buybacks carried out by the company. Vista engaged Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México to execute the repurchase transactions.

Key Figures

Shares repurchased: 50,000 Series A shares Repurchase price per share: Mexican Pesos $1,215.85 Total repurchase amount: Mexican Pesos $60,792,500 +2 more

5 metrics

Shares repurchased 50,000 Series A shares Repurchased on July 31, 2026

Repurchase price per share Mexican Pesos $1,215.85 Price per Series A share in buyback

Total repurchase amount Mexican Pesos $60,792,500 Aggregate cost excluding fees and value-added tax

Shares outstanding after repurchase 111,117,402 Series A shares Outstanding after July 31, 2026 transaction

Treasury shares after repurchase 1,184,351 Series A shares Held in treasury derived from repurchases

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"

treasury shares financial

"1,184,351 Series A shares were held in Treasury"

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 held"

Casa de Bolsa financial

"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.

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

After the repurchase, Vista Energy has 111,117,402 Series A shares outstanding and 1,184,351 Series A shares held in treasury. These figures reflect shares remaining in the market and those repurchased and retained by the company under its authorized buyback activity.

What was the total peso amount of Vista Energy’s (VIST) repurchase?

The Series A share repurchases totaled approximately Mexican Pesos $60,792,500, excluding fees and value-added tax. This amount reflects the purchase price of 50,000 shares at Mexican Pesos $1,215.85 per share and does not include any associated transaction costs payable by Vista.

How can investors contact Vista Energy (VIST) investor relations?

Investors can directly contact Vista Energy’s investor relations team via email at ir@vistaenergy.com. Telephone enquiries are available in Argentina at +54 11 3754 8500 and in Mexico at +52 55 1555 7104 for questions about the company and this event.

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

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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 ☐

LOGO

Mexico City, Mexico, August 3, 2026

On July 31, 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 $1,215.85 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 $60,792,500. After giving effect to such repurchases, there were 111,117,402 Series A shares outstanding, and 1,184,351 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 3, 2026


VISTA ENERGY, S.A.B. DE C.V.

By:		/s/ Alejandro Cherñacov
Name:		Alejandro Cherñacov
Title:		Strategic Planning and Investor Relations Officer

Source: View Original Filing on SEC EDGAR