VIST executes Series A buyback; 105.14M shares outstanding after repurchase

Rhea-AI Filing Summary

Vista Energy announced a company share repurchase program execution: the company bought 100,000 Series A shares at MXN 799.51 per share, for a total cash outlay of approximately MXN 79,951,450 (excluding fees and VAT). The transaction was completed under the authorization previously granted at the general ordinary shareholders meeting on April 9, 2025 and was executed by Citi México Casa de Bolsa, S.A. de C.V.

After the purchase, Vista reports 105,138,955 Series A shares outstanding and 939,578 Series A shares held in treasury. The filing confirms the mechanics of the repurchase and the resulting share counts without additional operating or financial detail.

Insights

Financial Analyst

TL;DR: Small authorized buyback executed; modest reduction in outstanding shares, executed through Citi México.

The filing reports a specific, one-time repurchase of 100,000 Series A shares at MXN 799.51 per share totaling ~MXN 79.95 million. Management executed the buyback under an existing shareholder authorization, and the transaction was handled by Citi México Casa de Bolsa. The disclosure focuses on transactional facts and resulting share counts: 105,138,955 Series A shares outstanding and 939,578 held in treasury. There are no accompanying financial statements, pro forma impacts, or commentary on capital allocation priorities in the filing.

Corporate Governance Expert

TL;DR: Repurchase aligns with previously approved shareholder authorization and increases treasury holdings while confirming updated share counts.

The report documents that the repurchase was made pursuant to approval at the general ordinary shareholders meeting on April 9, 2025. It records the broker used and the cash amount spent, and it updates the company’s outstanding and treasury Series A share figures. The filing contains no information about future repurchases, cancellation of shares, or changes to governance policies; it is a factual update rather than a strategic commentary.

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 2025

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 Cuauhtémoc, 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 14, 2025

On August 13, 2025, 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 100,000 Series A shares of Vista, at a price of Mexican Pesos $799.51 per Series A share. These repurchases were made in furtherance of the approval granted at the general ordinary shareholders’ meeting held on April 9, 2025. The total amount of these Series A shares repurchases, excluding fees and value-added tax, was of approximately Mexican Pesos $79,951,450. After giving effect to such repurchases, there were 105,138,955 Series A shares outstanding, and 939,578 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 14, 2025

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

FAQ

What did Vista Energy (VIST) repurchase?

The company repurchased 100,000 Series A shares at MXN 799.51 per share, totaling approximately MXN 79,951,450 excluding fees and VAT.

How many Series A shares are outstanding after the repurchase for VIST?

After the transaction Vista reports 105,138,955 Series A shares outstanding and 939,578 Series A shares held in treasury.

When was the repurchase executed?

The repurchase was executed on August 13, 2025 as stated in the filing.

Who executed the share repurchases for Vista Energy?

The repurchases were executed by Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México.

Was the repurchase authorized by shareholders?

Yes. The repurchase was made in furtherance of the approval granted at the general ordinary shareholders' meeting held on April 9, 2025.