Gerard Martellozo - 18 Mar 2026 Form 3 Insider Report for Vista Energy, S.A.B. de C.V. (VIST)

Role: Director
Signature: /s/ Gerard Martellozo
Issuer symbol: VIST
Transactions as of: 18 Mar 2026
Net transactions value: $0
Form type: 3
Filing time: 18 Mar 2026, 06:20:49 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Martellozo Gerard	Director	AVENIDA PASEO DE LA REFORMA 243, PISO 18, CIUDAD DE MEXICO CUAUHTEMOC, MEXICO	/s/ Gerard Martellozo	18 Mar 2026	0001609092

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	VIST	Series A Shares						32,500	18 Mar 2026	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	VIST	Restricted Stock Unit							18 Mar 2026	Series A Shares / ADSs	6,000		Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	32,500 series A shares represented by 32,500 American despositary shares ("ADSs"). Each ADS respresents one series A share.
F2	Each Restricted Stock Unit represents a contingent right to receive one series A share of the Company or the value thereof in cash. RSUs may vest on the date indicated under "Date Exercisable", subject to the satisfaction of certain conditions.