Vista Energy (VIST) director exercises 6,000 RSUs, nets 3,900 shares

Rhea-AI Filing Summary

Vista Energy director Losada German Nicanor exercised 6,000 Restricted Stock Units into Series A shares on April 9, 2026. These units converted into 6,000 Series A shares, then 2,100 shares were withheld at $65.08 per share to cover tax obligations, leaving 3,900 net new shares.

After these transactions, he directly owned 259,204 Series A shares represented by 259,204 American Depositary Shares, with each ADS corresponding to one Series A share. The filing reflects routine equity compensation activity rather than open‑market buying or selling.

Insider Trade Summary

6,000 shares exercised/converted

Mixed 3 txns

Insider Losada German Nicanor

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	6,000	$0.00	--
Exercise	Series A Shares	6,000	$0.00	--
Tax Withholding	Series A Shares	2,100	$65.08	$137K

Holdings After Transaction: Restricted Stock Units — 0 shares (Direct); Series A Shares — 261,304 shares (Direct)

Footnotes (1)

1. Each Restricted Stock Unit represents a contingent right to receive one series A share of the Company or the value thereof in cash. 259,204 series A shares represented by 259,204 American Depositary Shares ("ADSs"). Each ADS represents one series A share.

Key Figures

RSUs exercised: 6,000 units Shares received from exercise: 6,000 shares Shares withheld for taxes: 2,100 shares +4 more

7 metrics

RSUs exercised 6,000 units Restricted Stock Units converted on April 9, 2026

Shares received from exercise 6,000 shares Series A shares issued upon RSU conversion

Shares withheld for taxes 2,100 shares Tax-withholding disposition at $65.08 per share

Tax-withholding price $65.08 per share Price used for 2,100-share tax disposition

Net shares added 3,900 shares RSU exercise minus tax-withheld shares

Shares held after transactions 259,204 shares Series A shares/ADSs directly owned after April 9, 2026

ADS ratio 1 ADS = 1 share Each ADS represents one Series A share

Key Terms

Restricted Stock Units, American Depositary Shares, tax-withholding disposition, derivative exercise/conversion

4 terms

Restricted Stock Units financial

"Each Restricted Stock Unit represents a contingent right to receive one series A share"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

American Depositary Shares financial

"259,204 series A shares represented by 259,204 American Depositary Shares ("ADSs")"

American depositary shares (ADSs) are a way for investors in the United States to buy shares of foreign companies without dealing with international markets directly. They represent ownership in a foreign company's stock and are traded on U.S. stock exchanges, making it easier for American investors to buy, sell, and own parts of companies from around the world.

tax-withholding disposition financial

"Payment of exercise price or tax liability by delivering securities"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

derivative exercise/conversion financial

"transaction_action":"derivative exercise/conversion"

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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. Issuer Name and Ticker or Trading Symbol
Vista Energy, S.A.B. de C.V. [ VIST ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

2a. Foreign Trading Symbol
[BMV: VISTA]

3. Date of Earliest Transaction (Month/Day/Year)
04/09/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Series A Shares	04/09/2026		M(1)		6,000	A	(1)	261,304	D
Series A Shares	04/09/2026		F		2,100	D	$65.08	259,204(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	04/09/2026		M			6,000	04/09/2026	(1)	Series A Shares / ADSs	6,000	$0	0	D

Explanation of Responses:

1. Each Restricted Stock Unit represents a contingent right to receive one series A share of the Company or the value thereof in cash.

2. 259,204 series A shares represented by 259,204 American Depositary Shares ("ADSs"). Each ADS represents one series A share.

	/s/ German Nicanor Losada	04/13/2026
	** 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 4 (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 4: SEC 1474 (03-26)

FAQ

What insider transaction did Vista Energy (VIST) report for Losada German Nicanor?

Vista Energy reported that director Losada German Nicanor exercised 6,000 Restricted Stock Units into Series A shares. Following the exercise and related tax withholding, his direct holdings increased, reflecting routine equity compensation rather than an open-market purchase or sale.

How many Vista Energy (VIST) shares did the director receive and what was withheld for taxes?

The director received 6,000 Series A shares from exercising Restricted Stock Units. Of these, 2,100 shares were disposed of at $65.08 per share to satisfy tax obligations, resulting in 3,900 net shares added to his direct ownership position.

What are the director’s holdings in Vista Energy (VIST) after the Form 4 transactions?

After the reported transactions, the director held 259,204 Series A shares directly. Footnotes explain these are represented by 259,204 American Depositary Shares, with each ADS corresponding to one Series A share of Vista Energy.

Were Vista Energy (VIST) shares bought or sold on the open market in this Form 4?

The Form 4 does not show any open-market purchases or sales. It records an option-like exercise of Restricted Stock Units and a tax-withholding disposition, where shares were delivered to cover tax liabilities rather than traded in the market.

What does the tax-withholding transaction mean in Vista Energy’s (VIST) filing?

The tax-withholding transaction reflects 2,100 Series A shares disposed of at $65.08 per share to pay taxes triggered by the RSU exercise. This is a standard mechanism and does not represent a discretionary open‑market sale by the director.