Vista Energy director reports holdings on Form 3

Vista Energy, S.A.B. de C.V. director Martellozo Gerard filed an initial ownership report showing his equity stake in the company.

Accepted by SEC EDGAR 03/18/2026 - 06:20 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Vista Energy, S.A.B. de C.V. director Martellozo Gerard filed an initial ownership report showing his equity stake in the company. He directly holds 32,500 Series A shares, represented by 32,500 American depositary shares, with each ADS representing one Series A share.

He also holds Restricted Stock Units that give a contingent right to receive 6,000 Series A shares or their cash value, at an exercise price of 0.0000 per share. These RSUs may vest on April 9, 2026, subject to the satisfaction of specified conditions.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Martellozo Gerard

Role Director

Type	Security	Shares	Price	Value
Holding	Restricted Stock Unit	--	--	--
Holding	Series A Shares	--	--	--

Holdings: Restricted Stock Unit — 6,000 contracts (Direct); Series A Shares — 32,500 shares (Direct)

Footnotes (2)

1. F1. 32,500 series A shares represented by 32,500 American despositary shares ("ADSs"). Each ADS respresents one series A share.
2. 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.

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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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Martellozo Gerard

(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)

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

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	32,500(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
Restricted Stock Unit(2)	04/09/2026	(2)	Series A Shares / ADSs	6,000	(2)	D

Explanation of Responses:

1. 32,500 series A shares represented by 32,500 American despositary shares ("ADSs"). Each ADS respresents one series A share.

2. 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.

	/s/ Gerard Martellozo	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)