[Form 3] CEMEX SAB DE CV Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

CEMEX SAB DE CV executive Jaime Muguiro Dominguez, the Chief Executive Officer, has filed an initial Form 3 reporting his beneficial ownership in the company. The filing shows direct ownership of 242,892 CX shares following the reported holdings, with no specific buy or sell transactions disclosed.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Muguiro Dominguez Jaime

Role Chief Executive Officer

Type	Security	Shares	Price	Value
holding	CX	--	--	--

Holdings After Transaction: CX — 242,892 shares (Direct)

Footnotes (1)

Understanding Insider Trading Forms →

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

OMB APPROVAL

OMB Number:			3235-0104
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1. Name and Address of Reporting Person^*

Muguiro Dominguez Jaime

(Last) (First) (Middle)

AVENIDA RICARDO MARGAIN ZOZAYA 325

COLONIA VALLE DEL CAMPESTRE

(Street)

SAN PEDRO GARZA GARCIA O5 66265

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/13/2026

3. Issuer Name and Ticker or Trading Symbol
CEMEX SAB DE CV [ CX ]

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

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

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)
CX	242,892	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

Explanation of Responses:

	Jaime Muguiro Dominguez	03/13/2026
	** 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 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.

FAQ

What does CEMEX (CX) CEO Jaime Muguiro report in this Form 3?

The Form 3 reports that CEMEX CEO Jaime Muguiro directly owns 242,892 CX shares. This is an initial statement of beneficial ownership, establishing his reported equity stake as an officer of the company.

Is the CEMEX (CX) Form 3 for Jaime Muguiro a stock purchase or sale?

No, this Form 3 does not show a stock purchase or sale. It is an initial disclosure of Muguiro’s beneficial ownership, listing 242,892 CX shares held directly rather than detailing a new transaction.

How many CEMEX (CX) shares does Jaime Muguiro directly own according to the filing?

According to the filing, Jaime Muguiro directly owns 242,892 CX shares. This figure reflects his reported beneficial ownership after the holdings entry, with no accompanying derivative positions disclosed.

Does the CEMEX (CX) Form 3 disclose any derivative securities for Jaime Muguiro?

No, the Form 3 shows no derivative securities for Jaime Muguiro. The derivative section is empty, indicating only common share holdings of 242,892 CX shares are reported in this filing.

What is the significance of a Form 3 filing for CEMEX (CX) insiders?

A Form 3 is an insider’s initial ownership report when they become a reporting person, such as an officer or director. It establishes the baseline number of CEMEX shares they beneficially own, here recorded as 242,892 CX shares for the CEO.