Equinor ASA (VIST) reports 5.61% beneficial stake in Vista Energy ADSs

Rhea-AI Filing Summary

Equinor ASA reports a significant ownership position in Vista Energy, S.A.B. de C.V.. Equinor beneficially owns 6,223,220 American Depositary Shares, each representing one Series A share with no par value. This stake represents 5.61% of Vista Energy’s Series A shares, based on 110,967,402 Series A shares outstanding as of August 6, 2026, as reported by Vista Energy. Equinor has sole voting and sole dispositive power over all 6,223,220 shares, with no shared voting or dispositive power.

Key Figures

Shares beneficially owned: 6,223,220 shares Percent of class: 5.61% Shares outstanding baseline: 110,967,402 shares +2 more

5 metrics

Shares beneficially owned 6,223,220 shares American Depositary Shares, each representing one Series A share

Percent of class 5.61% Ownership of Vista Energy Series A shares

Shares outstanding baseline 110,967,402 shares Series A shares outstanding as of August 6, 2026

Sole voting power 6,223,220 shares Shares over which Equinor ASA has sole power to vote

Sole dispositive power 6,223,220 shares Shares over which Equinor ASA has sole power to dispose

Key Terms

beneficially owned, American Depositary Shares, sole voting power, sole dispositive power, +1 more

5 terms

beneficially owned financial

"Amount beneficially owned: 6,223,220"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

American Depositary Shares financial

"Title of class of securities: American Depositary Shares, each representing one Series A Share"

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.

sole voting power financial

"Sole Voting Power 6,223,220.00"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

sole dispositive power financial

"Sole Dispositive Power 6,223,220.00"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

percent of class financial

"Percent of class: 5.61%"

Percent of class is the portion of a specific category of securities—such as a company’s common shares, preferred shares, or a bond series—that takes part in or approves a corporate action (vote, consent, tender, etc.). Investors watch this number because it reveals how much support or opposition exists within that particular shareholder group; like counting how many members of a club back a proposal, it can determine whether a plan passes or how influence is distributed.

FAQ

What percentage of Vista Energy (VIST) does Equinor ASA own?

Equinor ASA beneficially owns 5.61% of Vista Energy’s Series A shares. This percentage is based on 110,967,402 Series A shares outstanding as of August 6, 2026, as reported by Vista Energy in a Current Report on Form 6-K.

How many Vista Energy (VIST) ADSs are held by Equinor ASA?

Equinor ASA holds 6,223,220 Vista Energy American Depositary Shares. Each ADS represents one Series A share with no par value, giving Equinor the same number of underlying Series A shares with sole voting and dispositive power.

Does Equinor ASA share voting power over its Vista Energy (VIST) shares?

No. Equinor ASA reports sole voting power over all 6,223,220 Vista Energy shares it beneficially owns. It reports 0 shares with shared voting power and similarly 0 shares with shared dispositive power.

What is the share count base used for Equinor’s 5.61% stake in Vista Energy (VIST)?

The 5.61% ownership figure is calculated using 110,967,402 Series A shares outstanding. Vista Energy reported this total as of August 6, 2026 in its Current Report on Form 6-K, which Equinor references in the ownership calculation.

Who signed the beneficial ownership report related to Vista Energy (VIST)?

The report was signed by Siv Helen Rygh Torstensen, General Counsel of Equinor ASA. The signature is dated August 13, 2026, confirming the information regarding Equinor’s beneficial ownership and voting and dispositive powers over Vista Energy shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/13/2026 - 09:40 AM Accepted by SEC EDGAR 08/13/2026 - 09:39 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Vista Energy, S.A.B. de C.V.

(Name of Issuer)

American Depositary Shares, each representing one Series A Share, with no par value

(Title of Class of Securities)

92837L109

(CUSIP Number)

05/07/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 92837L109

1

Names of Reporting Persons

Equinor ASA

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

NORWAY

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 6,223,220.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 6,223,220.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

6,223,220.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.61 %

12

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person: (Row 11) Based upon a total of 110,967,402 series A shares outstanding as of August 6, 2026, as reported in the Issuer's Current Report on Form 6-K, filed with the Securities and Exchange Commission on August 6, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Vista Energy, S.A.B. de C.V.
(b)	Address of issuer's principal executive offices: 243 Paseo de la Reforma Avenue, 18th Floor Colonia Renacimiento, Alcaldia Cuauhtemoc Mexico City, O5
Item 2.
(a)	Name of person filing: Equinor ASA
(b)	Address or principal business office or, if none, residence: Forusbeen 50, NO-4035 Stavanger, Norway
(c)	Citizenship: Norway
(d)	Title of class of securities: American Depositary Shares, each representing one Series A Share, with no par value
(e)	CUSIP Number(s): 92837L109
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 6,223,220
(b)	Percent of class: 5.61%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 6,223,220
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 6,223,220
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Equinor ASA

Signature:	/s/ Siv Helen Rygh Torstensen
Name/Title:	Siv Helen Rygh Torstensen - General Counsel
Date:	08/13/2026