SCHEDULE 13G/A

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

American Depositary Shares, each representing one Series A Share, with no par value · CUSIP: 92837L109

Event date: 2025-12-17

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Al Mehwar Commercial Investments LLC

  Shares: 13,270,363 · Class: 12.7%

• Abu Dhabi Investment Council Co P.J.S.C

  Shares: 13,270,363 · Class: 12.7%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.