Vista Energy (VIST) officer discloses shares, options, RSUs and PSUs in Form 3

Rhea-AI Filing Summary

Vista Energy, S.A.B. de C.V. officer Alejandro Chernacov filed an initial statement of beneficial ownership as Strategic Planning and Investor Relations Officer. The filing lists 1,198,381 Series A shares held directly, including shares represented by American depositary shares.

He also reports multiple employee stock options over Series A Shares / ADSs with exercise prices ranging from $7.05 to $54.09 and expirations between 2032 and 2036. In addition, he holds 35,018 restricted stock units and 133,201 performance stock units, each generally representing a right to receive one Series A share or cash, subject to vesting conditions on specified future dates.

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^*

CHERNACOV ALEJANDRO

(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)
	Strategic Planning and IRO

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	1,198,381(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")	56,238	$7.05	D
Employee Stock Options (Right to Buy)	(2)	02/23/2033	Series A Shares / ADSs	61,179	$17.83	D
Employee Stock Options (Right to Buy)	(2)	01/02/2034	Series A Shares / ADSs	33,594	$29.66	D
Employee Stock Options (Right to Buy)	(2)	01/02/2035	Series A Shares / ADSs	8,780	$54.09	D
Employee Stock Options (Right to Buy)(3)	01/02/2027	01/02/2034	Series A Shares / ADSs	16,796	$29.66	D
Employee Stock Options (Right to Buy)(3)	01/02/2027	01/02/2035	Series A Shares / ADSs	8,780	$54.09	D
Employee Stock Options (Right to Buy)(3)	01/02/2028	01/02/2035	Series A Shares / ADSs	8,780	$54.09	D
Employee Stock Options (Right to Buy)(3)	01/02/2027	01/02/2036	Series A Shares / ADSs	11,970	$47.96	D
Employee Stock Options (Right to Buy)(3)	01/02/2028	01/02/2036	Series A Shares / ADSs	11,970	$47.96	D
Employee Stock Options (Right to Buy)(3)	01/02/2029	01/02/2036	Series A Shares / ADSs	11,969	$47.96	D
Employee Stock Options (Right to Buy)(3)	04/23/2028	04/23/2035	Series A Shares / ADSs	454,327	$52.3	D
Restricted Stock Unit(4)	(4)	(4)	Series A Shares / ADSs	35,018	(4)	D
Performance Stock Unit(5)	(5)	(5)	Series A Shares / ADSs	133,201	(5)	D

Explanation of Responses:

1. 599,068 series A shares held directly and 599,313 series A shares represented by 599,313 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 commencing on the following dates, subject to the satisfaction of certain conditions: 18,923 RSUs on 01/02/2027, 10,387 RSUs on 01/02/2028 and 5,708 RSUs on 01/02/2029.

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: 76,127 PSUs on 02/20/2027 and 57,074 PSUs on 02/26/2028.

	/s/ Alejandro Chernacov	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 Form 3 filing by Alejandro Chernacov at Vista Energy (VIST) show?

The Form 3 shows Alejandro Chernacov’s initial beneficial ownership in Vista Energy, including 1,198,381 Series A shares held directly, various employee stock options, 35,018 restricted stock units, and 133,201 performance stock units, all reported as of the filing’s reference date.

How many Vista Energy (VIST) Series A shares does Alejandro Chernacov report owning?

He reports beneficial ownership of 1,198,381 Series A shares held directly. Footnotes explain these comprise 599,068 Series A shares and 599,313 Series A shares represented by an equal number of American depositary shares, with each ADS representing one Series A share.

What stock options are reported for Alejandro Chernacov in Vista Energy (VIST)?

The filing lists several employee stock options over Series A Shares / ADSs with exercise prices such as $7.05, $17.83, $29.66, $47.96, $52.30 and $54.09, and expiration dates running from 2032 through 2036, all shown as directly owned positions.

What restricted stock units does Alejandro Chernacov hold in Vista Energy (VIST)?

He holds 35,018 restricted stock units, each representing a contingent right to receive one Series A share or cash. Footnotes state vesting may start on 01/02/2027, 01/02/2028 and 01/02/2029, subject to specified conditions being satisfied.

What performance stock units are disclosed for Alejandro Chernacov at Vista Energy (VIST)?

The Form 3 reports 133,201 performance stock units, each tied to one Series A share or cash. Footnotes indicate potential vesting beginning on 02/20/2027 and 02/26/2028, contingent on meeting certain performance and other conditions described in the award terms.

Does the Vista Energy (VIST) Form 3 indicate recent share purchases or sales by Alejandro Chernacov?

The Form 3 functions as an initial ownership report and lists holdings such as common shares, stock options, RSUs and PSUs. The summarized data categorize entries as holdings, without identifying open-market purchases or sales in the transaction codes provided.