Southern Copper (NYSE: SCCO) awards 400-share grant to board director

Rhea-AI Filing Summary

Southern Copper Corp. director Enrique Castillo Sanchez Mejorada received a grant of 400 shares of common stock on 2026-07-24 as a board compensation award under the issuer’s Directors' Stock Award Plan, described as an exempt transaction under Rule 16b-3(d). Following this award, he directly holds 1,400 common shares of Southern Copper. The filing characterizes the transaction as a grant/award acquisition rather than an open-market purchase, and no per-share price is stated.

Insider Trade Summary

Net Buyer: 400 shares

Net Buy 1 txn

Insider Castillo Sanchez Mejorada Enrique

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F2, F1	400	--	--

Holdings After Transaction: Common Stock — 1,400 shares (Direct)

Footnotes (2)

1. F1. Received pursuant to Issuer's Directors' Stock Award Plan for service as a director - exempt transaction under Rule 16b-3 (d).
2. F2. N/A.

Key Figures

Shares granted: 400 shares Post-transaction holdings: 1,400 shares Number of reported transactions: 1 transaction

3 metrics

Shares granted 400 shares Common stock grant on 2026-07-24 under Directors' Stock Award Plan

Post-transaction holdings 1,400 shares Common stock directly owned by Enrique Castillo Sanchez Mejorada after the grant

Number of reported transactions 1 transaction Single grant/award acquisition reported in this Form 4

Key Terms

Directors' Stock Award Plan, Rule 16b-3 (d), Grant, award, or other acquisition

3 terms

Directors' Stock Award Plan financial

"Received pursuant to Issuer's Directors' Stock Award Plan for service as a director"

Rule 16b-3 (d) regulatory

"for service as a director - exempt transaction under Rule 16b-3 (d)"

Grant, award, or other acquisition financial

"transaction code description is Grant, award, or other acquisition"

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/28/2026 - 03:58 PM Accepted by SEC EDGAR 07/28/2026 - 03:57 PM Learn about SEC filing dates

FAQ

What insider transaction did SCCO director Enrique Castillo Sanchez Mejorada report?

He reported receiving a grant of 400 Southern Copper common shares on 2026-07-24. The shares were awarded as compensation for service on the board under the Directors' Stock Award Plan and are classified as a grant/award acquisition, not an open-market purchase.

How many Southern Copper (SCCO) shares does the director hold after this grant?

After the reported grant, Enrique Castillo Sanchez Mejorada directly holds 1,400 shares of Southern Copper common stock. This total reflects the addition of 400 shares received as a director stock award, as disclosed in the Form 4 filing.

Was the SCCO director’s 400-share transaction an exempt award?

Yes, the 400-share grant is described as an exempt transaction under Rule 16b-3(d). The footnote explains the shares were received pursuant to the Issuer's Directors' Stock Award Plan as compensation for service as a director, qualifying for this exemption.

Did the SCCO director buy the 400 shares on the open market?

No, the 400 shares were granted as a stock award, not purchased on the open market. The Form 4 shows transaction code “A” for a grant, with footnotes stating the shares were received under the Directors' Stock Award Plan for board service.

What type of security was involved in this SCCO Form 4 transaction?

The transaction involved Southern Copper common stock. The director received 400 shares of common stock as a grant, bringing his directly owned common shares to a total of 1,400 after the award, according to the ownership figure reported.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Castillo Sanchez Mejorada Enrique

(Last) (First) (Middle)

C/O SOUTHERN COPPER CORPORATION

7310 NORTH 16TH ST. SUITE 135

(Street)

PHOENIX ARIZONA 85020

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SOUTHERN COPPER CORP/ [ SCCO ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/24/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	07/24/2026		A		400	A(1)	(2)	1,400	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Received pursuant to Issuer's Directors' Stock Award Plan for service as a director - exempt transaction under Rule 16b-3 (d).

2. N/A.

	/s/ Andres C. Ferrero, Attorney-in-Fact	07/28/2026
	** 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 4 (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 4: SEC 1474 (03-26)