VIST completes Series A buyback; 739,578 Series A shares held in treasury

Rhea-AI Filing Summary

Vista Energy announced a repurchase of 55,826 Series A shares at a per-share price of MXN 791.16, for a total consideration of approximately MXN 44,167,298 before fees and value-added tax. The company states these repurchases were carried out under the authorization granted at the general ordinary shareholders' meeting held on April 9, 2025.

After giving effect to the transactions, Vista reports 105,338,955 Series A shares outstanding and that 739,578 Series A shares are held in treasury derived from prior repurchases. The repurchases were executed by Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México.

Positive

• Repurchase executed under shareholder authorization, showing adherence to the approved buyback framework
• Clear transaction detail: number of shares repurchased (55,826), per-share price (MXN 791.16), and total amount (MXN 44,167,298) are disclosed
• Updated share counts provided: outstanding Series A shares (105,338,955) and treasury Series A shares (739,578) are reported

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine, small-scale share repurchase executed under prior shareholder approval.

The company repurchased 55,826 Series A shares at MXN 791.16 per share, totaling MXN 44,167,298 before fees and VAT. This disclosure confirms execution details, updated counts for outstanding and treasury Series A shares, and identifies the broker used to carry out the trades. The filing provides clear transactional figures but does not present additional financial context or indicate material impact on capital structure beyond the specific share count changes.

Corporate Governance Expert

TL;DR: Shareholder-approved buyback implemented and properly disclosed, with broker engagement noted.

The report ties the repurchase to prior shareholder approval and discloses precise share counts and cash consideration excluding fees and VAT. It specifies the executing intermediary, which supports procedural transparency. The disclosure is concise and factual, focusing on execution metrics rather than strategic rationale or broader capital allocation plans.

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 12, 2025

On August 11, 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 55,826 Series A shares of Vista, at a price of Mexican Pesos $791.16 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 $44,167,298. After giving effect to such repurchases, there were 105,338,955 Series A shares outstanding, and 739,578 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 12, 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?

55,826 Series A shares were repurchased.

At what price did VIST repurchase the shares?

The repurchase price was MXN 791.16 per Series A share.

What was the total cost of the repurchase?

The total amount, excluding fees and VAT, was approximately MXN 44,167,298.

How many Series A shares are outstanding after the repurchase?

There were 105,338,955 Series A shares outstanding after the transactions.

How many Series A shares does Vista hold in treasury?

Vista holds 739,578 Series A shares in treasury derived from repurchases.

Who executed the repurchase on Vista's behalf?

Citi México Casa de Bolsa, S.A. de C.V., Grupo Financiero Citi México executed the repurchases.