Talos Energy holder reports 39.1M-share stake

Slim family–linked entity Control Empresarial reports a 23.4% beneficial stake in Talos Energy, confirming continued large shareholder status.

Rhea-AI Filing Summary

Talos Energy Inc. (TALO) received an amended Schedule 13D (Amendment No. 5) from Control Empresarial de Capitales, S.A. de C.V. and members of the Slim family, updating their large shareholder position. As of September 17, 2026, Control Empresarial directly or indirectly owns 39,079,036 Talos common shares, representing 23.4% of the outstanding common stock, based on 166,965,468 shares outstanding as of July 28, 2026.

The Slim family, as beneficiaries of a Mexican trust that owns all voting equity of Control Empresarial, may be deemed to indirectly beneficially own the same block of shares, with shared voting and dispositive power and no sole voting or dispositive power reported.

Key Figures

Talos shares beneficially owned: 39,079,036 shares Percent of class beneficially owned: 23.4% Shares outstanding baseline: 166,965,468 shares +3 more

6 metrics

Talos shares beneficially owned 39,079,036 shares Common shares beneficially owned by Control Empresarial as of September 17, 2026

Percent of class beneficially owned 23.4% Ownership percentage of Talos common stock represented by 39,079,036 shares

Shares outstanding baseline 166,965,468 shares Talos common shares issued and outstanding as of July 28, 2026, from Form 10-Q

Sole voting power 0 shares Sole voting power reported for each reporting person

Shared voting power 39,079,036 shares Shared voting power reported for each reporting person

Date of event September 15, 2026 Date of event triggering the Schedule 13D/A amendment

Key Terms

beneficially own, dispositive power, Schedule 13D, Percent of class, +1 more

5 terms

beneficially own financial

"may be deemed to beneficially own indirectly the Common Shares"

Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.

dispositive power financial

"Sole Dispositive Power 0.00 10 | Shared Dispositive Power 39,079,036.00"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

Schedule 13D regulatory

"This Amendment No. 5 amends and supplements the filed by the Reporting Persons"

A Schedule 13D is a legal document that investors file with regulators when they buy a large enough stake in a company to potentially influence its management or decisions. It provides details about the investor’s intention, ownership stake, and plans, helping other investors understand who is gaining control and what their motives might be.

Percent of class financial

"Percent of class represented by amount in Row (11) 23.4 %"

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.

beneficiaries of a Mexican trust financial

"the Slim Family, which are beneficiaries of a Mexican trust"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What ownership stake in Talos Energy Inc. (TALO) is reported in this Schedule 13D/A?

The reporting persons state that Control Empresarial de Capitales owns 39,079,036 Talos common shares, representing 23.4% of the outstanding common stock, based on 166,965,468 shares outstanding as of July 28, 2026, as reported by Talos.

Who are the reporting persons in this Talos Energy (TALO) Schedule 13D/A Amendment No. 5?

The filing lists Control Empresarial de Capitales, S.A. de C.V. and members of the Slim family, including Carlos Slim Helu and several Slim Domit family members, as reporting persons with shared voting and dispositive power over the same 39,079,036 Talos common shares.

How is the Slim family related to the Talos Energy (TALO) shareholding reported?

The Slim family are described as beneficiaries of a Mexican trust that owns all issued and outstanding voting equity of Control Empresarial. Because Control Empresarial holds 39,079,036 Talos shares, the Slim family may be deemed to indirectly beneficially own those shares.

What voting and dispositive powers are reported over Talos Energy (TALO) shares?

Each reporting person shows 0 shares with sole voting or dispositive power and 39,079,036 shares with shared voting and shared dispositive power. This means decisions over those Talos shares are made jointly under the arrangements described in the filing.

On what share count is the 23.4% Talos Energy (TALO) ownership calculation based?

The 23.4% beneficial ownership figure is based on 166,965,468 Talos common shares issued and outstanding as of July 28, 2026, as reported in Talos Energy Inc.’s Form 10-Q filed with the SEC on August 5, 2026.

What period of Talos Energy (TALO) trading activity does the amendment reference?

The amendment states that all transactions in Talos common shares by the reporting persons during the 60 days before the event requiring this filing are listed in Schedule 1, which is incorporated by reference into the statement.

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

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Available on EDGAR 09/17/2026 - 07:31 PM Accepted by SEC EDGAR 09/17/2026 - 07:31 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 5)

Talos Energy Inc.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

87484T108

(CUSIP Number)

Carlos Slim Helu
Paseo De Las Palmas 781, Piso 3, Lomas De Chapultepec
Ciudad De Mexico, O5, 11000
(52) 55 5625 4961

Kyle A. Harris, Esq.
Cleary Gottlieb Steen & Hamilton LLP, One Liberty Plaza
New York, NY, 10006
(212) 225-2000

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

09/15/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

schemaVersion:

SCHEDULE 13D

CUSIP Number(s): 87484T108

1

Name of reporting person

Carlos Slim Helu

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

MEXICO

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 39,079,036.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 39,079,036.00

11

Aggregate amount beneficially owned by each reporting person

39,079,036.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

23.4 %

14

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person:

Percent beneficially owned is based on approximately 166,965,468 Common Shares (as defined below) issued and outstanding as of July 28, 2026, as reported in the Issuer's Form 10-Q filed with the Securities and Exchange Commission ("SEC") on August 5, 2026.

SCHEDULE 13D

CUSIP Number(s): 87484T108

1

Name of reporting person

Carlos Slim Domit

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

MEXICO

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 39,079,036.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 39,079,036.00

11

Aggregate amount beneficially owned by each reporting person

39,079,036.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

23.4 %

14

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person:

Percent beneficially owned is based on approximately 166,965,468 Common Shares issued and outstanding as of July 28, 2026, as reported in the Issuer's Form 10-Q filed with the SEC on August 5, 2026.

SCHEDULE 13D

CUSIP Number(s): 87484T108

1

Name of reporting person

Marco Antonio Slim Domit

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

MEXICO

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 39,079,036.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 39,079,036.00

11

Aggregate amount beneficially owned by each reporting person

39,079,036.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

23.4 %

14

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person:

Percent beneficially owned is based on approximately 166,965,468 Common Shares issued and outstanding as of July 28, 2026, as reported in the Issuer's Form 10-Q filed with the SEC on August 5, 2026.

SCHEDULE 13D

CUSIP Number(s): 87484T108

1

Name of reporting person

Patrick Slim Domit

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

MEXICO

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 39,079,036.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 39,079,036.00

11

Aggregate amount beneficially owned by each reporting person

39,079,036.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

23.4 %

14

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person:

Percent beneficially owned is based on approximately 166,965,468 Common Shares issued and outstanding as of July 28, 2026, as reported in the Issuer's Form 10-Q filed with the SEC on August 5, 2026.

SCHEDULE 13D

CUSIP Number(s): 87484T108

1

Name of reporting person

Maria Soumaya Slim Domit

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

MEXICO

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 39,079,036.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 39,079,036.00

11

Aggregate amount beneficially owned by each reporting person

39,079,036.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

23.4 %

14

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person:

Percent beneficially owned is based on approximately 166,965,468 Common Shares issued and outstanding as of July 28, 2026, as reported in the Issuer's Form 10-Q filed with the SEC on August 5, 2026.

SCHEDULE 13D

CUSIP Number(s): 87484T108

1

Name of reporting person

Vanessa Paola Slim Domit

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

MEXICO

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 39,079,036.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 39,079,036.00

11

Aggregate amount beneficially owned by each reporting person

39,079,036.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

23.4 %

14

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person:

Percent beneficially owned is based on approximately 166,965,468 Common Shares issued and outstanding as of July 28, 2026, as reported in the Issuer's Form 10-Q filed with the SEC on August 5, 2026.

SCHEDULE 13D

CUSIP Number(s): 87484T108

1

Name of reporting person

Johanna Monique Slim Domit

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

MEXICO

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 39,079,036.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 39,079,036.00

11

Aggregate amount beneficially owned by each reporting person

39,079,036.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

23.4 %

14

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person:

Percent beneficially owned is based on approximately 166,965,468 Common Shares issued and outstanding as of July 28, 2026, as reported in the Issuer's Form 10-Q filed with the SEC on August 5, 2026.

SCHEDULE 13D

CUSIP Number(s): 87484T108

1

Name of reporting person

Control Empresarial de Capitales, S.A. de C.V.

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

MEXICO

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 39,079,036.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 39,079,036.00

11

Aggregate amount beneficially owned by each reporting person

39,079,036.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

23.4 %

14

Type of Reporting Person (See Instructions)

HC

Comment for Type of Reporting Person:

Percent beneficially owned is based on approximately 166,965,468 Common Shares issued and outstanding as of July 28, 2026, as reported in the Issuer's Form 10-Q filed with the SEC on August 5, 2026.

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Stock, par value $0.01 per share
(b)	Name of Issuer: Talos Energy Inc.
(c)	Address of Issuer's Principal Executive Offices: 333 Clay Street, Suite 3300, Houston, TEXAS , 77002.
Item 1 Comment: This Amendment No. 5 amends and supplements the Schedule 13D filed by the Reporting Persons on June 3, 2024, as amended and supplemented by Amendment No. 1 filed on August 9, 2024, Amendment No. 2 filed on September 5, 2024, Amendment No. 3 filed on December 18, 2024 and Amendment No. 4 filed on March 30, 2026 (the "Original Schedule 13D" and, as amended and supplemented by this Amendment, the "Schedule 13D") with respect to the Common Stock, with par value of $0.001 per share (the "Common Shares"), of Talos Energy Inc., a corporation incorporated under the laws of Delaware (the "Issuer"). Capitalized terms used in this Amendment and not otherwise defined shall have the same meanings ascribed to them in the Original Schedule 13D.
Item 5.	Interest in Securities of the Issuer
(a)	Calculations of the percentage of the Common Shares beneficially owned are based on a total of approximately 166,965,468 Common Shares issued and outstanding as of July 28, 2026, as reported in the Issuer's Form 10-Q filed with the SEC on August 5, 2026. As of September 17, 2026, (i) Control Empresarial, directly or indirectly, owns 39,079,036 Common Shares (representing 23.4% of the outstanding Common Shares) and (ii) the Slim Family, which are beneficiaries of a Mexican trust that owns all of the issued and outstanding voting equity securities of Control Empresarial, may be deemed to beneficially own indirectly the Common Shares beneficially owned directly by Control Empresarial.
(b)	39,079,036 Common Shares (representing 23.4% of the outstanding Common Shares)
(c)	All transactions in the Common Shares effected by the Reporting Persons during the period beginning 60 days prior to the event which requires the filing of this statement are listed in Schedule 1 hereto and incorporated herein by reference.

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.

Carlos Slim Helu

Signature:	Marco Antonio Slim Domit
Name/Title:	Marco Antonio Slim Domit/ Attorney-in-Fact*
Date:	09/17/2026

Carlos Slim Domit

Signature:	Marco Antonio Slim Domit
Name/Title:	Marco Antonio Slim Domit/ Attorney-in-Fact*
Date:	09/17/2026

Marco Antonio Slim Domit

Signature:	Marco Antonio Slim Domit
Name/Title:	Marco Antonio Slim Domit/ Attorney-in-Fact*
Date:	09/17/2026

Patrick Slim Domit

Signature:	Marco Antonio Slim Domit
Name/Title:	Marco Antonio Slim Domit/ Attorney-in-Fact*
Date:	09/17/2026

Maria Soumaya Slim Domit

Signature:	Marco Antonio Slim Domit
Name/Title:	Marco Antonio Slim Domit/ Attorney-in-Fact*
Date:	09/17/2026

Vanessa Paola Slim Domit

Signature:	Marco Antonio Slim Domit
Name/Title:	Marco Antonio Slim Domit/ Attorney-in-Fact*
Date:	09/17/2026

Johanna Monique Slim Domit

Signature:	Marco Antonio Slim Domit
Name/Title:	Marco Antonio Slim Domit/ Attorney-in-Fact*
Date:	09/17/2026

Control Empresarial de Capitales, S.A. de C.V.

Signature:	Marco Antonio Slim Domit
Name/Title:	Marco Antonio Slim Domit
Date:	09/17/2026

Comments accompanying signature:

* See the Powers of Attorney for the members of the Slim Family and Control Empresarial, which are each filed as an exhibit to the Schedule 13D/A filed by the Slim Family and Control Empresarial with the SEC on March 4, 2026 in connection with their beneficial ownership of Class A Common Stock, $0.001 par value per share of PBF Energy Inc., are hereby incorporated herein by reference.