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

Role: Chief Executive Officer, Director
Signature: /s/ Miguel Galuccio
Issuer symbol: VIST
Transactions as of: 18 Mar 2026
Net transactions value: $0
Form type: 3
Filing time: 18 Mar 2026, 06:55:24 UTC
Previous filing: 02 May 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Galuccio Miguel Matias	Chief Executive Officer, Director	AVENIDA PASEO DE LA REFORMA 243, PISO 18, CIUDAD DE MEXICO CUAUHTEMOC, MEXICO	/s/ Miguel Galuccio	18 Mar 2026	0001703610

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	VIST	Series A Shares						6,245,671	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")	281,186	$7.05	Direct	F2
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	305,895	$17.83	Direct	F2
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	149,304	$29.66	Direct	F2
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	39,022	$54.09	Direct	F2
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	74,651	$29.66	Direct	F3
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	39,022	$54.09	Direct	F3
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	39,022	$54.09	Direct	F3
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	52,835	$47.96	Direct	F3
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	52,835	$47.96	Direct	F3
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	52,835	$47.96	Direct	F3
holding	VIST	Employee Stock Options (Right to Buy)							18 Mar 2026	Series A Shares / ADSs	1,687,500	$52.30	Direct	F3
holding	VIST	Restricted Stock Unit							18 Mar 2026	Series A Shares / ADSs	155,111		Direct	F4
holding	VIST	Performance Stock Unit							18 Mar 2026	Series A Shares / ADSs	592,008		Direct	F5

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

Explanation of Responses:

Id	Content
F1	3,309,936 series A shares held directly and 2,935,735 series A shares represented by 2,935,735 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: 83,924 RSUs on 01/02/2027, 45,993 RSUs on 01/02/2028 and 25,194 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: 338,344 PSUs on 02/20/2027 and 253,664 PSUs on 02/26/2028.