GRUPO SIMEC (NYSE: SIM) director updates insider ownership with Form 3/A

Rhea-AI Filing Summary

GRUPO SIMEC, S.A.B. de C.V. director Raul Arturo Perez Trejo filed an amended Form 3, which is the initial statement of beneficial ownership for insiders. This amendment does not report any share purchases, sales, option exercises, gifts, or other transactions, and shows no derivative positions in the data provided.

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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

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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 54017

(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
[SIMEC B]

5. If Amendment, Date of Original Filed (Month/Day/Year)
03/18/2026

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

X	Director		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:

Remarks:

The amendment to the Form 3 reflects the correct title of "director" for the reporting person. The Form 3 filed on March 18, 2026 incorrectly stated that the reporting person was a 10% owner

No securities are beneficially owned.

	/s/ Raul Arturo Perez Trejo	03/19/2026
	** 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 GRUPO SIMEC (SIM) director Raul Arturo Perez Trejo report in this amended Form 3?

The amended Form 3 for GRUPO SIMEC (SIM) director Raul Arturo Perez Trejo reports no insider transactions. The summary data show zero purchases, sales, exercises, gifts, tax withholdings, restructurings, or derivative positions in the information provided.

Does the GRUPO SIMEC (SIM) Form 3/A show any insider buying or selling?

No, the GRUPO SIMEC (SIM) Form 3/A shows no insider buying or selling. The transaction summary lists zero buy and sell counts, zero net buy or sell shares, and no derivative transactions for director Raul Arturo Perez Trejo.

What is the significance of a Form 3/A filing for GRUPO SIMEC (SIM)?

A Form 3/A for GRUPO SIMEC (SIM) updates the initial beneficial ownership report for an insider. It is largely administrative, and in this case does not introduce any new trades, position changes, or derivative holdings for director Raul Arturo Perez Trejo.

Are there any derivative securities reported for the GRUPO SIMEC (SIM) director in this Form 3/A?

No derivative securities are reported for the GRUPO SIMEC (SIM) director in this Form 3/A. The derivative summary is empty, and the transaction summary shows zero derivative transactions or exercises for Raul Arturo Perez Trejo.

Does this GRUPO SIMEC (SIM) Form 3/A indicate any gifts or tax-related share withholdings?

No, this GRUPO SIMEC (SIM) Form 3/A indicates no gifts or tax-related share withholdings. Gift and tax withholding counts and shares are all zero, suggesting no such activity during the period covered in the provided data.