Vista Energy (NYSE: VIST) CEO details options and share stake

Rhea-AI Filing Summary

Vista Energy CEO Miguel Matías Galuccio filed an initial Form 3 reporting his ownership in Vista Energy, S.A.B. de C.V. He directly holds 6,245,671 Series A shares, including shares represented by American Depositary Shares. He also holds multiple employee stock options on Series A Shares/ADSs with exercise prices ranging from $7.05 to $54.09, plus an option over 1,687,500 underlying shares at $52.30. In addition, he reports 155,111 Restricted Stock Units and 592,008 Performance Stock Units, each RSU or PSU representing a contingent right to receive one Series A share or its cash value, vesting on future dates 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^*

Galuccio Miguel Matias

(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
X	Officer (give title below)		Other (specify below)
	Chief Executive 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	6,245,671(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")	281,186	$7.05	D
Employee Stock Options (Right to Buy)	(2)	02/23/2033	Series A Shares / ADSs	305,895	$17.83	D
Employee Stock Options (Right to Buy)	(2)	01/02/2034	Series A Shares / ADSs	149,304	$29.66	D
Employee Stock Options (Right to Buy)	(2)	01/02/2035	Series A Shares / ADSs	39,022	$54.09	D
Employee Stock Options (Right to Buy)(3)	01/02/2027	01/02/2034	Series A Shares / ADSs	74,651	$29.66	D
Employee Stock Options (Right to Buy)(3)	01/02/2027	01/02/2035	Series A Shares / ADSs	39,022	$54.09	D
Employee Stock Options (Right to Buy)(3)	01/02/2028	01/02/2035	Series A Shares / ADSs	39,022	$54.09	D
Employee Stock Options (Right to Buy)(3)	01/02/2027	01/02/2036	Series A Shares / ADSs	52,835	$47.96	D
Employee Stock Options (Right to Buy)(3)	01/02/2028	01/02/2036	Series A Shares / ADSs	52,835	$47.96	D
Employee Stock Options (Right to Buy)(3)	01/02/2029	01/02/2036	Series A Shares / ADSs	52,835	$47.96	D
Employee Stock Options (Right to Buy)(3)	04/23/2028	04/23/2035	Series A Shares / ADSs	1,687,500	$52.3	D
Restricted Stock Unit(4)	(4)	(4)	Series A Shares / ADSs	155,111	(4)	D
Performance Stock Unit(5)	(5)	(5)	Series A Shares / ADSs	592,008	(5)	D

Explanation of Responses:

1. 3,309,936 series A shares held directly and 2,935,735 series A shares represented by 2,935,735 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: 83,924 RSUs on 01/02/2027, 45,993 RSUs on 01/02/2028 and 25,194 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: 338,344 PSUs on 02/20/2027 and 253,664 PSUs on 02/26/2028.

	/s/ Miguel Galuccio	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) CEO Miguel Galuccio report on his Form 3?

Miguel Galuccio reports his initial ownership in Vista Energy, including common shares, stock options, restricted stock units, and performance stock units. This Form 3 discloses his baseline equity position as a director and Chief Executive Officer of the company.

How many Vista Energy Series A shares does the CEO directly own per this Form 3?

The CEO directly owns 6,245,671 Series A shares in total, combining 3,309,936 shares held directly and 2,935,735 Series A shares represented by 2,935,735 American Depositary Shares, according to the ownership details disclosed in the filing’s footnotes.

What stock option positions does the Vista Energy CEO hold according to the Form 3?

He holds several employee stock option grants over Series A Shares/ADSs, with exercise prices from $7.05 to $54.09 and expirations between 2032 and 2036. One grant covers 1,687,500 underlying shares at a $52.30 exercise price, reflecting significant long-term equity exposure.

What Restricted Stock Units (RSUs) are reported for Vista Energy CEO Miguel Galuccio?

He reports 155,111 Restricted Stock Units, each representing a contingent right to receive one Series A share or its cash value. These RSUs may vest in tranches starting on 01/02/2027, 01/02/2028, and 01/02/2029, subject to specified vesting conditions being satisfied.

What Performance Stock Units (PSUs) does the Vista Energy CEO hold?

He holds 592,008 Performance Stock Units, each tied to one Series A share or its cash value. The PSUs may vest in two tranches—338,344 on 02/20/2027 and 253,664 on 02/26/2028—if certain performance and vesting conditions described in the plan are met.

Does this Vista Energy Form 3 show any recent stock purchases or sales by the CEO?

No purchases or sales are indicated; the entries are classified as holdings with unknown transaction codes. The Form 3 serves to report existing ownership—shares, options, RSUs, and PSUs—rather than documenting new buy or sell transactions in Vista Energy securities.