Vista Energy (NYSE: VIST) director details initial ADS and RSU holdings

Rhea-AI Filing Summary

Vista Energy director Sivignon reports his initial ownership position. The filing shows he holds 105,000 Series A shares, represented by 105,000 American depositary shares, each ADS corresponding to one Series A share.

He also holds restricted stock units linked to 6,000 underlying Series A shares or their cash value, which may vest on the indicated exercisable date if specified conditions are met. These entries reflect reported holdings rather than new market purchases or sales.

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^*

Sivignon Pierre Jean

(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	105,000(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. 105,000 series A shares represented by 105,000 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/ Pierre Jean Sivignon	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 Vista Energy (VIST) director Sivignon report in this Form 3?

He reports his initial ownership position in Vista Energy as a director. The filing lists 105,000 Series A shares via American depositary shares and restricted stock units tied to 6,000 underlying Series A shares or equivalent cash value, subject to vesting conditions.

How many Vista Energy (VIST) shares does Sivignon hold according to the filing?

He holds 105,000 Series A shares represented by 105,000 American depositary shares. Each ADS represents one Series A share, giving a straightforward correspondence between ADSs and the underlying equity reported in this initial ownership statement.

What restricted stock units does Sivignon report in Vista Energy (VIST)?

He reports restricted stock units linked to 6,000 underlying Series A shares or their value in cash. Each unit represents a contingent right that may vest on the stated exercisable date if specified conditions are satisfied under the company’s equity arrangements.

Does the Vista Energy (VIST) Form 3 show any stock purchases or sales?

The Form 3 primarily reports existing holdings rather than new purchases or sales. It lists direct ownership of Series A shares through ADSs and restricted stock units, serving as an initial disclosure of Sivignon’s equity position as a company director.

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

The filing states 105,000 Series A shares are represented by 105,000 American depositary shares. Each ADS represents one Series A share, providing a one-to-one relationship between the depositary receipts and the underlying Series A equity reported.