[6-K] HARMONY GOLD MINING CO LTD Current Report (Foreign Issuer)

Rhea-AI Filing Summary

Harmony Gold Mining Company Limited reported a fatal underground incident at its Target 1 mine in the Free State near Odendaalsrus, involving rock breaking equipment. One employee lost their life.

The incident has been reported to the authorities and an investigation, led by the Department of Mineral and Petroleum Resources with Harmony’s full cooperation, is underway. The chief executive officer emphasized that safety and well-being of employees are fundamental to the company and that it will work to understand what went wrong and strengthen controls to prevent a recurrence.

Form 6-K: How Foreign Companies Report to the SEC →

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 March 26, 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 ☒

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 regrets to announce a loss of life at Target 1 mine

Johannesburg, Thursday, 26 March 2026. Harmony Gold Mining Company Limited (Harmony or the Company) is deeply saddened by the loss of life following a tragic underground incident at its Target 1 mine in the Free State, near Odendaalsrus, involving rock breaking equipment.

The incident has been reported to the relevant authorities, and an investigation is underway, led by the Department of Mineral and Petroleum Resources (DMPR), with the Company’s full cooperation.

“The safety and well-being of our people is fundamental to who we are, and we will honour our colleague’s memory by rigorously understanding what went wrong and strengthening our controls to prevent any recurrence,” 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

26 March 2026

Sponsor:

J.P. Morgan Equities South Africa Proprietary Limited.

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: March 26, 2026									By: /s/ Boipelo Lekubo
									Name: Boipelo Lekubo
									Title: Financial Director