Southern Copper director sells 400 shares at $217.50

SOUTHERN COPPER CORP (SCCO) director Luis Miguel Palomino Bonilla reported selling 400 shares of Common Stock on 2026-08-31 in a sale classified as an open market or private transaction at a reported price of $217.50 per share.

Rhea-AI Filing Summary

SOUTHERN COPPER CORP (SCCO) director Luis Miguel Palomino Bonilla reported selling 400 shares of Common Stock on 2026-08-31 in a sale classified as an open market or private transaction at a reported price of $217.50 per share. After this transaction, he directly holds 1,303 shares of SCCO Common Stock.

Insider Trade Summary

Net Seller: 400 shares

Net Sell 1 txn

Insider PALOMINO BONILLA LUIS MIGUEL

Role Director

Sold 400 shs ($87K)

Type	Security	Shares	Price	Value
Sale	Common Stock	400	$217.50	$87K

Holdings After Transaction: Common Stock — 1,303 shares (Direct)

Key Figures

Shares sold: 400 shares of Common Stock Sale price per share: $217.50 per share Shares owned after transaction: 1,303 shares of Common Stock +1 more

4 metrics

Shares sold 400 shares of Common Stock Sale reported on 2026-08-31

Sale price per share $217.50 per share Price for 400 shares sold on 2026-08-31

Shares owned after transaction 1,303 shares of Common Stock Direct holdings following the 2026-08-31 sale

Net shares sold 400 shares Net buy/sell shares in this Form 4 (net-sell)

Key Terms

Common Stock, open market or private transaction, direct ownership

3 terms

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

open market or private transaction financial

"transaction_code_description: "Sale in open market or private transaction""

direct ownership financial

"ownership_type: "direct" indicates direct ownership of the shares"

FAQ

What insider transaction did SCCO director Luis Miguel Palomino Bonilla report?

He reported a sale of 400 SCCO Common Stock shares on 2026-08-31, classified as a sale in an open market or private transaction. After the sale, his reported direct holdings total 1,303 shares.

At what price were the SCCO shares sold in this Form 4 filing?

The reported sale price was $217.50 per share for the 400 SCCO Common Stock shares sold on 2026-08-31, as disclosed in the Form 4 transaction details.

How many SCCO shares does Luis Miguel Palomino Bonilla hold after this transaction?

Following the reported sale, Luis Miguel Palomino Bonilla holds 1,303 shares of SCCO Common Stock in direct ownership, according to the Form 4 disclosure.

Was the SCCO insider transaction made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as affirming a plan (aff_10b5_one is false). The available data does not indicate that this sale was executed pursuant to a Rule 10b5-1 trading plan.

What is the net share effect of this SCCO Form 4 transaction?

The transaction summary shows a net sale of 400 shares, with one sell transaction reported and no purchases, exercises, or gifts in this Form 4.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/01/2026 - 03:00 PM Accepted by SEC EDGAR 09/01/2026 - 02:59 PM Learn about SEC filing dates

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^*

PALOMINO BONILLA LUIS MIGUEL

(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)
08/31/2026

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	08/31/2026		S		400	D	$217.5	1,303	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:

	/s/ Andres Carlos Ferrero, Attorney-in-Fact	09/01/2026
	** 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)