GRUPO SIMEC (SIM) ten percent owner reports initial Form 3

Rhea-AI Filing Summary

GRUPO SIMEC, S.A.B. de C.V. insider Raul Arturo Perez Trejo filed an initial Form 3 as a ten percent owner of the company. The filing lists him as a significant shareholder but shows no reported purchases, sales, or other transactions in the company’s securities at this time.

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^*

Perez Trejo Raul Arturo

(Last) (First) (Middle)

AGUSTIN MELGAR #23,

FRACCIONAMIENTO INDUSTRIAL NINOS HEROES

(Street)

MEXICO CITY TLANEPANTLA DE BAEZ CP54017

(City) (State) (Zip)

MEXICO

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
GRUPO SIMEC, S.A.B. de C.V. [ SIM ]

3a. Foreign Trading Symbol

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

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

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

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)

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:

No securities are beneficially owned.

	/s/ Arturo Raul Perez Trejo	03/18/2026
	** 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.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Form 3 filed for GRUPO SIMEC (SIM) show?

The Form 3 shows that Raul Arturo Perez Trejo is a ten percent owner of GRUPO SIMEC. It is an initial statement of beneficial ownership and does not report any recent transactions in the company’s securities.

Who is the reporting person on the GRUPO SIMEC (SIM) Form 3?

The reporting person is Raul Arturo Perez Trejo. He is identified as a ten percent owner of GRUPO SIMEC, S.A.B. de C.V., with no director or officer role indicated in this filing.

Does the GRUPO SIMEC (SIM) Form 3 report any insider trades?

No trades are reported on this Form 3. The transaction summary shows zero buys, zero sells, and no derivative exercises, indicating there were no reportable transactions included with this initial ownership statement.

Is Raul Arturo Perez Trejo a director or officer of GRUPO SIMEC (SIM)?

According to the Form 3, Raul Arturo Perez Trejo is not listed as a director or officer. He is identified solely as a ten percent owner, which reflects significant share ownership without a management or board position in this report.

What do the transaction counts mean in the GRUPO SIMEC (SIM) Form 3?

The transaction counts indicate there were no recent insider trades reported. Buy, sell, exercise, gift, tax withholding, and restructuring counts are all zero, and the net buy/sell direction is marked neutral, underscoring the purely declarative nature of this filing.