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

Role: Strategic Planning and IRO
Signature: /s/ Alejandro Chernacov
Issuer symbol: VIST
Transactions as of: 18 Mar 2026
Net transactions value: $0
Form type: 3
Filing time: 18 Mar 2026, 06:13:26 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
CHERNACOV ALEJANDRO	Strategic Planning and IRO	AVENIDA PASEO DE LA REFORMA 243, PISO 18, CIUDAD DE MEXICO CUAUHTEMOC, MEXICO	/s/ Alejandro Chernacov	18 Mar 2026	0002012075

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	VIST	Series A Shares						1,198,381	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	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / American Depositary Shares ("ADSs")	56,238	$7.05	Direct	F2
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	61,179	$17.83	Direct	F2
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	33,594	$29.66	Direct	F2
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	8,780	$54.09	Direct	F2
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	16,796	$29.66	Direct	F3
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	8,780	$54.09	Direct	F3
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	8,780	$54.09	Direct	F3
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	11,970	$47.96	Direct	F3
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	11,970	$47.96	Direct	F3
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	11,969	$47.96	Direct	F3
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	454,327	$52.30	Direct	F3
holding	VIST	Restricted Stock Unit							18 Mar 2026	Series A Shares / ADSs	35,018		Direct	F4
holding	VIST	Performance Stock Unit							18 Mar 2026	Series A Shares / ADSs	133,201		Direct	F5

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

Explanation of Responses:

Id	Content
F1	599,068 series A shares held directly and 599,313 series A shares represented by 599,313 American despositary shares. Each American depositary share respresents one series A share.
F2	Stock Options vested and exercisable through the date indicated under "Expiration Date."
F3	Stock Options will vest on the date indicated under "Date Exercisable," and are exercisable through the date indicated under "Expiration Date."
F4	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 commencing on the following dates, subject to the satisfaction of certain conditions: 18,923 RSUs on 01/02/2027, 10,387 RSUs on 01/02/2028 and 5,708 RSUs on 01/02/2029.
F5	Each Performance Stock Unit (PSUs) represents a contingent right to receive one series A share of the Company or the value thereof in cash. PSUs may vest commencing on the following dates, subject to the satisfaction of certain conditions: 76,127 PSUs on 02/20/2027 and 57,074 PSUs on 02/26/2028.