Southern Copper director plans 300-share stock sale

A director of Southern Copper Corporation plans to sell 300 shares of common stock through broker Inteligo SAB on or after August 4, 2026.

Rhea-AI Filing Summary

A director of Southern Copper Corporation plans to sell 300 shares of common stock through broker Inteligo SAB on or after August 4, 2026. These shares were received on February 1, 2024 under the company’s Directors Stock Award Plan as an exempt transaction under Rule 16b-3(d).

The filing also lists recent sales of Southern Copper common stock through Inteligo SAB over the past three months, including several transactions of 100-share lots and one sale of 4 shares, each with stated aggregate sale prices.

Key Figures

Proposed shares to be sold: 300 shares Approximate aggregate sale value: 58500 Shares acquired under award plan: 400 shares +6 more

9 metrics

Proposed shares to be sold 300 shares Common stock sale through Inteligo SAB on or after August 4, 2026

Approximate aggregate sale value 58500 Listed with the proposed sale of 300 shares of common stock

Shares acquired under award plan 400 shares Common stock received February 1, 2024 under Directors Stock Award Plan

Sale on May 15, 2026 100 shares for 17820 Common stock sold through Inteligo SAB during past 3 months

Sale on May 21, 2026 (1st) 100 shares for 17580 Common stock sold through Inteligo SAB during past 3 months

Sale on May 21, 2026 (2nd) 100 shares for 17985 Common stock sold through Inteligo SAB during past 3 months

Sale on June 2, 2026 100 shares for 20000 Common stock sold through Inteligo SAB during past 3 months

Sale on June 5, 2026 4 shares for 724 Common stock sold through Inteligo SAB during past 3 months

Sale on July 24, 2026 100 shares for 17900 Common stock sold through Inteligo SAB during past 3 months

Key Terms

Form 144, Directors Stock Award Plan, Rule 16b-3(d), exempt transaction

4 terms

Form 144 regulatory

"144: Securities Information Common Stock"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Directors Stock Award Plan financial

"Received pursuant to Issuer's Directors Stock Award Plan for services"

Rule 16b-3(d) regulatory

"exempt transaction under Rule 16b-3(d)."

Rule 16b-3(d) is a narrow SEC safe-harbor that shields company insiders (officers, directors and large shareholders) from liability for short‑swing profits when their buys or sells of company stock are made under a pre-established, written plan or contract that removes the insider’s ability to time trades. For investors, this matters because it permits predictable, automated insider transactions — like scheduled sales for diversification or payroll withholding — without triggering forced disgorgement, so such planned trades are treated differently from opportunistic insider trading.

exempt transaction regulatory

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

A transaction in which securities are sold without the issuer having to register them with the securities regulator because the sale meets legal exemptions (for example private placements, certain small offerings, or sales to accredited investors). It matters to investors because exempt transactions often involve less public disclosure and more limits on resale, like buying something from a private marketplace rather than a public store—so information access and liquidity can differ from registered offerings.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Southern Copper (SCCO) disclose in this Form 144 filing?

The filing states that a Southern Copper Corporation director intends to sell 300 shares of common stock through Inteligo SAB on or after August 4, 2026, and lists several prior sales in the past three months.

How many Southern Copper (SCCO) shares are proposed to be sold?

The proposed transaction covers 300 shares of Southern Copper common stock. The Form 144 lists these shares with an approximate aggregate sale value of 58,500, identifying Inteligo SAB as the broker and setting an intended sale date of August 4, 2026.

How were the Southern Copper (SCCO) shares being sold obtained?

The 300 shares were received on February 1, 2024 under Southern Copper’s Directors Stock Award Plan for services as a director. The filing characterizes this as an exempt transaction under Rule 16b-3(d) of the securities laws.

What recent Southern Copper (SCCO) stock sales are listed in the past 3 months?

The filing lists several Inteligo SAB trades: multiple 100-share sales of common stock on May 15, May 21, June 2, and July 24, 2026, and one sale of 4 shares on June 5, 2026, each with stated aggregate sale proceeds.

Is the Southern Copper (SCCO) Form 144 sale related to a trading plan exemption?

The filing explains that the shares were acquired under the Directors Stock Award Plan as an exempt transaction under Rule 16b-3(d). This exemption covers director compensation awards; the Form 144 itself addresses the planned resale of these shares.

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

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Available on EDGAR 08/04/2026 - 07:48 PM Accepted by SEC EDGAR 08/04/2026 - 07:47 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001284489
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SOUTHERN COPPER CORPORATION
SEC File Number	001-14066
Address of Issuer	7310 NORTH 16TH ST SUITE 135 PHOENIX ARIZONA 85020
Phone	(602) 264-1375
Name of Person for Whose Account the Securities are To Be Sold	Luis Miguel Palomino Bonilla
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Inteligo SAB Av. Rivera Navarrete Nro. 50, piso 21 San Isidro Lima R5 15046	300	58500	834328506	08/04/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	02/01/2024	Received pursuant to Issuer's Directors Stock Award Plan for services as a director- exempt transaction under Rule 16b-3(d).	Southern Copper Corporation			400	02/01/2024	Securities acquired under the Directors Stock Award Plan of Southern Copper Corproation for services as a director.

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Inteligo SAB Av. Rivera Navarrete Nro. 501, piso 21 San Isidro Lima R5 15046	Common Stock	05/15/2026	100	17820
Inteligo SAB Av. Rivera Navarrete Nro. 501, piso 21 San Isidro Lima R5 15046	Common Stock	05/21/2026	100	17580
Inteligo SAB Av. Rivera Navarrete Nro. 501, piso 21 San Isidro Lima R5 15046	Common Stock	05/21/2026	100	17985
Inteligo SAB Av. Rivera Navarrete Nro. 501, piso 21 San Isidro Lima R5 15046	Common Stock	06/02/2026	100	20000
Inteligo SAB Av. Rivera Navarrete Nro. 501, piso 21 San Isidro Lima R5 15046	Common Stock	06/05/2026	4	724
Inteligo SAB Av. Rivera Navarrete Nro. 501, piso 21 San Isidro Lima R5 15046	Common Stock	07/24/2026	100	17900

144: Remarks and Signature

Remarks	Securities acquired pursuant to Directors' Stock Award Plan of Southern Copper Corporation.
Date of Notice	08/04/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Andres Carlos Ferrero, Attorney-in-Fact
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)