6-K

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September, 2025

Commission File Number: 001-13382

KINROSS GOLD CORPORATION

(Translation of registrant's name into English)

17^th^ Floor, 25 York Street,

Toronto, Ontario M5J 2V5

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40F:

Form 20-F ¨       Form 40-F x

This report on Form 6-K is being furnished for the sole purpose of providing a copy of the press release dated September 23, 2025 in which Kinross Gold Corporation announced the sale of a portion of the shares held in Asante Gold Corporation.

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INDEX

Table of Contents

SIGNATURES

EXHIBIT INDEX

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SIGNATURES

Pursuant to the requirements of Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

September 23, 2025

Exhibit 99.1

KinrossSells Portion of Asante Gold Position

(All dollar amounts are expressedin Canadian dollars, unless otherwise noted.)

Toronto, Ontario, September23, 2025 – Kinross Gold Corporation (“Kinross”) (TSX: K, NYSE: KGC) announced today that it has sold an aggregate of 36,927,650 common shares (“Shares”) of Asante Gold Corporation (“Asante”) representing approximately 5.2% of the outstanding Shares and 100% of the Shares held by Kinross. The Shares were sold at a price per Share of C$1.98 (not including commission), representing an aggregate sale price of C$73,116,747. Prior to the sale, Kinross held approximately 5.2% of the outstanding Shares and up to 13.2% of the Shares, on a partially-diluted basis, assuming conversion of all convertible instruments held by Kinross. After the sale, Kinross remains a supportive investor in Asante through our convertible instruments that represent approximately 8.4% of the outstanding Shares on a partially diluted basis.

The Shares were sold on a private placement basis, subject to a hold period under applicable Canadian securities laws until December 13, 2025. Kinross sold the Shares in the ordinary course of investments in portfolio companies. Kinross may or may not purchase or sell securities of Asante in the future on the open market or in private transactions, depending on market conditions and other factors. Kinross currently has no other plans or intentions that relate to its investment in Asante. Depending on market conditions, general economic and industry conditions, Asante’s business and financial condition and/or other relevant factors, Kinross may develop other plans or intentions in the future.

A copy of the early warning report filed by Kinross in connection with the investment will be available on Asante’s profile on SEDAR+ at www.sedarplus.ca. Alternatively, you may contact Luke Crosby, Senior Vice President, General Counsel and Corporate Secretary at 647-788-4478 to obtain a copy of the report. Kinross is organized under the laws of the Province of Ontario and its head office is located at 25 York Street, 17th Floor, Toronto, Ontario M5J 2V5. Asante’s head office is located at 615 – 800 West Pender Street, Vancouver, British Columbia V6C 2V6.

About Kinross GoldCorporation

Kinross is a Canadian-based global senior gold mining company with operations and projects in the United States, Brazil, Mauritania, Chile and Canada. Our focus is on delivering value based on the core principles of responsible mining, operational excellence, disciplined growth, and balance sheet strength. Kinross maintains listings on the Toronto Stock Exchange (symbol: K) and the New York Stock Exchange (symbol: KGC).

www.kinross.com

MediaContact

Samantha Sheffield

Director, Corporate Communications

phone: 416-365-3034

samantha.sheffield@kinross.com

Investor Relations Contact

David Shaver

Senior Vice-President, Investor Relationsand Communications

phone: 416-365-2761

InvestorRelations@kinross.com

Source: Kinross Gold Corporation