Southern Copper Director Luis Miguel Palomino Bonilla Sells $87K in Common Stock

Executive Summary

On August 31, 2026, Luis Miguel Palomino Bonilla, a Director at Southern Copper Corp ($SCCO), executed an open-market sale of 400 shares of common stock at a price of $217.50 per share, amounting to a total transaction value of $87,000. Following the transaction, Mr. Palomino Bonilla directly owns 1,303 shares of the company.

Transaction Details

• Filing Date: September 1, 2026
• Transaction Date: August 31, 2026
• Security: Common Stock
• Transaction Type: Open Market Sale (Code S)
• Shares Sold: 400
• Price per Share: $217.50
• Gross Proceeds: $87,000.00
• Remaining Holdings: 1,303 shares (Direct)

Market & Strategic Context

• Significance: Low. The transaction represents a relatively minor dollar amount ($87,000) and represents a ~23.5% reduction in the director's direct position (from 1,703 to 1,303 shares).
• Rule 10b5-1 Note: The filing indicates that the transaction was not marked as executed under an affirmative Rule 10b5-1 trading plan.