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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6­K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a­16 OR 15d­16 UNDER THE

SECURITIES EXCHANGE ACT OF 1934

For January 20, 2026

Harmony Gold Mining Company Limited

Randfontein Office Park

Corner Main Reef Road and Ward Avenue Randfontein, 1759

South Africa

(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 20F ☒ Form 40F ☐

(Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3­2(b) under the Securities Exchange Act of 1934.)

Yes ☐ No ☒

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Harmony Gold Mining Company Limited

Registration number 1950/038232/06

Incorporated in the Republic of South Africa

ISIN: ZAE000015228

JSE share code: HAR

(“Harmony”)

Harmony is deeply saddened to announce a loss of life at Moab Khotsong mine on 20 January 2026

    

Johannesburg, Tuesday, 20 January 2026. Harmony Gold Mining Company Limited (“Harmony” and/or “the Company”) regrets to announce that an employee at Moab Khotsong mine, near Orkney, tragically lost his life in a locomotive-related incident this morning.

All relevant parties, including the employee’s family members, have been informed. An investigation is currently underway, led by the Department of Mineral and Petroleum Resources (DMPR).

“The tragic loss of life is devastating, and we are saddened by this unfortunate incident. We extend our heartfelt condolences to the employee's family, friends, and colleagues during this difficult time. Safety is our main priority, and we remain steadfast in our commitment towards reaching our goal of zero loss of life,” said Beyers Nel, Chief Executive Officer.

Ends.

For more details contact:

Chipo Morapedi-Mrara

Head of Communications

+27 (0)60 571 0797

Jared Coetzer

Head of Investor Relations

+27 (0)82 746 4120

Mashego Mashego

Executive Director

+27 (0)82 767 1072

20 January 2026

Sponsor:

J.P. Morgan Equities South Africa Proprietary Limited.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on

its behalf by the undersigned, thereunto duly authorized.

Harmony Gold Mining Company Limited

Date: January 20, 2026

By: /s/ Boipelo Lekubo

Name: Boipelo Lekubo

Title: Financial Director