Company: VIST
Filing Date: 2025-01-24
Form Type: S-8
Source: 0001193125-25-012260
Chunk: 0

Company: Vista Energy, S.A.B. de C.V.
Filing Date: 2025-01-24
Form: S-8
Chunk 0
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As filed with the Securities and Exchange Commission on January 24, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Vista Energy, S.A.B. de C.V. (Exact Name of Registrant as Specified in Its Charter) N.A. (Translation of Registrant’s name into English)

| United Mexican States           |     | N/A                |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -I.R.S. Employer   
 Identification No. |

Pedregal 24, Floor 4 Colonia Molino del Rey, Alcaldía Miguel Hidalgo Mexico City, 11040 Mexico (Address, including zip code, of Registrant’s principal executive offices) Long Term Incentive Plan (Full title of the Plan) Donald J. Puglisi Puglisi & Associates 850 Library Avenue, Suite 204 Newark, Delaware 19711 United States of America +1 (302) 738-6680 (Name, address and telephone number, including area code, of agent for service) Copies to: Julia L. Petty Manuel Silva Cleary Gottlieb Steen & Hamilton LLP One Liberty Plaza New York, NY 10006 +1 (212) 225-2000 Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-acceleratedfiler, or a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2of the Exchange Act.

| Large accelerated filer |     | ☒ |     | Accelerated filer         |     | ☐ |
| Non-accelerated filer   |     | ☐ |     | Smaller reporting company |     | ☐ |
| Emerging growth Company |     | ☐ |     |                           |     |   |

If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐

Explanatory Note

Pursuant to General Instruction E of Form S-8,