Patrick Slim Domit details large America Movil (AMX) Series B stakes

Rhea-AI Filing Summary

AMERICA MOVIL SAB DE CV director Patrick Slim Domit filed an initial Form 3 reporting beneficial ownership of Series B Shares. The filing lists a large direct holding of 1,236,591,858 Series B Shares and additional indirect holdings through his spouse, children, a Mexican Control Trust, the Control Empresarial Trust and related entity, and Grupo Financiero Inbursa. Footnotes explain that family-controlled entities such as the Control Trust, Control Empresarial and GFI hold substantial Series B positions, and that Slim Domit may be deemed to share beneficial ownership but disclaims pecuniary interest except to the extent of his economic stake in those vehicles. The Form 3 is a disclosure of existing holdings, not a report of new share purchases or sales.

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^*

Slim Domit Patrick

(Last) (First) (Middle)

PASEO DE LAS PALMAS 736

LOMAS DE CHAPULTEPEC

(Street)

CIUDAD DE MEXICO O5 11000

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/16/2026

3. Issuer Name and Ticker or Trading Symbol
AMERICA MOVIL SAB DE CV/ [ AMX ]

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

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

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

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 B Shares	1,236,591,858	D
Series B Shares	1,139,074	I	By Spouse
Series B Shares	4,891,412	I	By Children
Series B Shares	17,742,515,522	I	By Control Trust(1)(2)
Series B Shares	10,933,355,873	I	By Control Empresarial Trust by Control Empresarial(3)
Series B Shares	196,009,735	I	By GFI(4)

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

Explanation of Responses:

1. These securities are held by Banco Inbursa, S.A., Institucion de Banca Multiple, Grupo Financiero Inbursa, Trust No. F/0126 (the "Control Trust"), a trust organized under the laws of Mexico in which members of the Slim family, including the reporting person, are trust participants. Investment decisions by the Control Trust are made by a technical committee, which is composed of representatives of the Slim family, including the reporting person. As a result, the reporting person may be deemed to control the Control Trust and to share beneficial ownership of all Series B Shares held by the Control Trust.

2. The reporting person hereby disclaims having any pecuniary interests derived from the beneficial ownership of these securities except to the extent of the pecuniary interest derived by the reporting person's securities in the Control Trust, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

3. These securities are held by Control Empresarial de Capitales S.A. de C.V., a sociedad anonima de capital variable organized under the laws of Mexico ("Control Empresarial"). The Slim family, including the reporting person, are trust participants in Trust No. F/0125, a trust organized under the laws of Mexico, which holds all of the issued and outstanding voting equity securities of Control Empresarial (the "Control Empresarial Trust"), and the reporting person may be deemed to beneficially own the Series B Shares held by Control Empresarial. The reporting person hereby disclaims having any pecuniary interests derived from the beneficial ownership of these securities except to the extent of the pecuniary interest derived by the reporting person's interest in the Control Empresarial Trust, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

4. These securities are held by Grupo Financiero Inbursa, S.A.B. de C.V., a sociedad anonima bursatil de capital variable organized under the laws of Mexico ("GFI"). The Slim family, including the reporting person, beneficially own a majority of the outstanding voting equity securities of GFI, and the reporting person may be deemed to beneficially own the Series B Shares held by GFI. The reporting person hereby disclaims having any pecuniary interests derived from the beneficial ownership of these securities except to the extent of the pecuniary interest derived by the reporting person's interest in GFI, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

	/S/VICTOR MANUEL GUTIERREZ LOPEZ, ATTORNEY-IN-FACT_	03/16/2026
	** 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.
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FAQ

What does Patrick Slim Domit’s Form 3 filing reveal about AMX?

The Form 3 shows Patrick Slim Domit’s beneficial ownership of AMERICA MOVIL (AMX) Series B Shares, including a large direct position and multiple indirect holdings through his spouse, children, a Mexican Control Trust, the Control Empresarial Trust, and Grupo Financiero Inbursa.

How many AMX Series B Shares does Patrick Slim Domit hold directly?

The filing reports that Patrick Slim Domit directly holds 1,236,591,858 Series B Shares of AMERICA MOVIL. This represents his direct ownership, separate from additional indirect interests held through family members and various family-related trusts and entities described in the footnotes.

What indirect AMX holdings are reported for Patrick Slim Domit on Form 3?

Indirect holdings include Series B Shares held by his spouse, his children, Banco Inbursa’s Control Trust, the Control Empresarial Trust via Control Empresarial, and Grupo Financiero Inbursa. The filing states he may be deemed to beneficially own these shares through family and trust relationships.

How do the Control Trust and Control Empresarial Trust relate to AMX shares?

The Control Trust and Control Empresarial Trust are Mexican trusts in which Slim family members, including Patrick Slim Domit, participate. They hold significant Series B Shares of AMERICA MOVIL through the Control Trust and through Control Empresarial, and he may be deemed to share beneficial ownership of those holdings.

Does Patrick Slim Domit claim full economic interest in all reported AMX shares?

No. The footnotes state he disclaims pecuniary interest in securities held by the Control Trust, Control Empresarial, and GFI, except to the extent of his own interest in those entities. This limits his claimed economic stake while still reporting possible beneficial ownership.

Is this AMX Form 3 filing reporting new insider trades?

The Form 3 functions as an initial statement of beneficial ownership, listing existing Series B Share positions. The entries are characterized as holdings, and the transaction summary shows no classified buys or sells, indicating disclosure of positions rather than new trading activity.