[Form 3] Vista Energy, S.A.B. de C.V. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Vista Energy, S.A.B. de C.V. executive Juan Maria Garoby, Chief Technology Officer, filed an initial ownership report showing direct holdings of 1,438,504 Series A shares, including 633,816 American Depositary Shares. He also reports employee stock options over 61,861 shares at $7.05 expiring in 2032 and 293,609 shares at $52.30 expiring in 2035, along with 9,387 restricted stock units and 149,659 performance stock units that may vest beginning in 2027 and 2028, subject to conditions.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

GAROBY JUAN MARIA

(Last) (First) (Middle)

AVENIDA PASEO DE LA REFORMA 243, PISO 18

(Street)

CIUDAD DE MEXICO CUAUHTEMOC 06500

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Vista Energy, S.A.B. de C.V. [ VIST ]

3a. Foreign Trading Symbol
[BMV: VISTA]

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Technology Officer

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Series A Shares	1,438,504(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Options (Right to Buy)	(2)	02/23/2032	Series A Shares / American Depositary Shares ("ADSs")	61,861	$7.05	D
Employee Stock Options (Right to Buy)	(2)	02/23/2033	Series A Shares / ADSs	67,297	$17.83	D
Employee Stock Options (Right to Buy)	(2)	01/02/2034	Series A Shares / ADSs	36,952	$29.66	D
Employee Stock Options (Right to Buy)(3)	01/02/2027	01/02/2034	Series A Shares / ADSs	18,477	$29.66	D
Employee Stock Options (Right to Buy)(3)	04/23/2028	04/23/2035	Series A Shares / ADSs	293,609	$52.3	D
Restricted Stock Unit(4)	01/02/2027	(4)	Series A Shares / ADSs	9,387	(4)	D
Performance Stock Unit(5)	(5)	(5)	Series A Shares / ADSs	149,659	(5)	D

Explanation of Responses:

1. 804,688 series A shares held directly and 633,816 series A shares represented by 633,816 American despositary shares. Each American depositary share respresents one series A share.

2. Stock Options vested and exercisable through the date indicated under "Expiration Date."

3. Stock Options will vest on the date indicated under "Date Exercisable," and are exercisable through the date indicated under "Expiration Date."

4. 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.

5. 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: 83,739 PSUs on 02/20/2027 and 65,920 PSUs on 02/26/2028.

	/s/ Juan Garoby	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)