Vista Energy (VIST) director discloses ADS and RSU holdings in Form 3

Rhea-AI Filing Summary

Vista Energy director German Nicanor Losada has filed an initial ownership report showing his equity position in the company. He directly holds 255,304 Series A shares, represented by 255,304 American depositary shares, with each ADS corresponding to one Series A share.

He also holds Restricted Stock Units covering 6,000 underlying Series A shares or ADSs. Each RSU represents a contingent right to receive one Series A share or its cash value and may vest on the indicated exercisable date, subject to specified 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^*

Losada German Nicanor

(Last) (First) (Middle)

AVENIDA PASEO DE LA REFORMA 243, PISO 18

(Street)

CIUDAD DE MEXICO CUAUHTEMOC MEXICO 06500

(City) (State) (Zip)

MEXICO

(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	255,304(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. 255,304 series A shares represented by 255,304 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/ German Nicanor Losada	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)

FAQ

What does the Vista Energy (VIST) Form 3 filing by German Nicanor Losada show?

The Form 3 shows German Nicanor Losada’s initial ownership in Vista Energy. He directly holds 255,304 Series A shares via ADSs and has Restricted Stock Units linked to 6,000 additional Series A shares, subject to vesting conditions.

How many Vista Energy (VIST) shares does German Nicanor Losada directly own?

He directly owns 255,304 Series A shares of Vista Energy, represented by 255,304 American depositary shares. Each ADS corresponds to one Series A share, making the ADS count and Series A share count equivalent in this filing.

What are the Restricted Stock Units reported in the Vista Energy (VIST) Form 3?

The filing reports Restricted Stock Units tied to 6,000 underlying Series A shares or ADSs. Each RSU is a contingent right to receive one Series A share or its cash value, potentially vesting on the stated date if conditions are satisfied.

Are there any buy or sell transactions in this Vista Energy (VIST) Form 3?

No buy or sell transactions are reported in this Form 3. It is an initial ownership statement that lists existing direct holdings of Series A shares and Restricted Stock Units, without recording open-market purchases or sales by the reporting person.

How are Vista Energy (VIST) ADSs related to Series A shares in this filing?

The filing states that 255,304 Series A shares are represented by 255,304 American depositary shares. Each ADS represents one Series A share, so the ADS count matches the underlying Series A share count on a one-to-one basis.