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

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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 September 25, 2025

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 Ltd

Registration number: 1950/038232/06

Incorporated in the Republic of South Africa

ISIN: ZAE000015228

JSE share code: HAR

(“Harmony” or the “company”)

DEALING IN SECURITIES BY DIRECTORS AND PRESCRIBED OFFICERS: VESTING OF SHARES AND SETTLEMENT BY ON MARKET SALES AND EQUITY SETTLEMENT

Johannesburg, Thursday, 25 September 2025. In compliance with paragraphs 3.63 to 3.74 of the JSE Listings Requirements, the following dealings in securities by directors and prescribed officers of Harmony in relation to the vesting and settlement of deferred share awards made pursuant to the provisions of the Harmony Deferred Share Plan 2018 are disclosed:

1.			Name of director:			BB Nel
			Designation:			Group Chief Executive Officer
Nature of transaction:			Vesting of deferred share awards and settlement by on-market sale of shares, in terms of the Harmony Deferred Share Plan 2018
Vesting Date:			18 September 2025
Class of securities:			Ordinary shares
Number of ordinary shares vested:			69,269
Number of ordinary shares retained:			34,633
Date of transaction:			18 September 2025
Number of vested shares sold:			27,543
Highest price per share:			R268.50
Lowest price per share:			R258.00
Volume weighted average price per share:			R263.04
Total value of shares:			R7,244,987.84
Date of transaction			22 September 2025
Number of vested shares sold:			7,093
			Highest price per share:			R307.11
			Lowest price per share:			R299.25

			Volume weighted average price			R301.31
			Total value of shares:			R2,137,203.89
			Nature and extent of director’s interest:			Direct beneficial

2.			Name of director:			BP Lekubo
			Designation:			Financial Director
			Nature of transaction:			Vesting of deferred share awards and settlement by on-market sale of shares, in terms of the Harmony Deferred Share Plan 2018
			Vesting Date:			18 September 2025
			Class of securities:			Ordinary shares
			Number of ordinary shares vested:			80,335
			Number of ordinary shares retained:			40,167
			Date of transaction:			18 September 2025
			Number of vested shares sold:			31,006
			Highest price per share:			R268.50
			Lowest price per share:			R258.00
			Volume weighted average price per share:			R263.04
			Total value of shares:			R8,155,905.06
						Date of transaction:			22 September 2025
						Number of vested shares sold:			9 162
						Highest price per share:			R307.11
			Lowest price per share:			R299.25
			Volume weighted average price:			R301.31
			Total value of shares:			R2,760,617.80
			Nature and extent of director’s interest:			Direct beneficial

3.			Name of director:			HE Mashego
			Designation:			Executive Director
			Nature of transaction:			Vesting of deferred share awards and settlement by on-market sale of shares, in terms of the Harmony Deferred Share Plan 2018
			Vesting Date:			18 September 2025
			Class of securities:			Ordinary shares
			Number of ordinary shares vested:			85,105
			Number of ordinary shares retained:			34,836
			Date of transaction:			18 September 2025
			Number of vested shares sold:			17 809
			Highest price per share:			R268.50
			Lowest price per share:			R258.00
			Volume weighted average price per share:			R263.04
			Total value of shares:			R4,684,529.23
						Date of transaction:			22 September 2025
						Number of vested shares sold:			32,460
			Highest price per share:			R307.11
			Lowest price per share:			R299.25
			Volume weighted average price:			R301.31
			Total value of shares:			R9,780,577.78
			Nature and extent of prescribed officer’s interest:			Direct beneficial

4.			Name of prescribed officer:			AJ Boshoff
			Designation:			Chief Operating Officer Australasia
			Nature of transaction:			Vesting of deferred share awards and settlement by on-market sale of shares, in terms of the Harmony Deferred Share Plan 2018
			Vesting Date:			18 September 2025
			Class of securities:			Ordinary shares
			Number of ordinary shares vested:			38,322
			Date of transaction:			18 September 2025
			Number of vested shares sold:			27,398
			Highest price per share:			R268.50
			Lowest price per share:			R258.00
			Volume weighted average price per share:			R263.04
			Total value of shares:			R7,206,846.63
			Date of transaction:			22 September 2025
			Number of vested shares sold:			10,924
			Highest price per share:			R307.11
			Lowest price per share:			R299.25
			Volume weighted average price:			R301.31
			Total value of shares:			R3,291,529.01
						Nature and extent of prescribed officer’s interest:			Direct beneficial

5.			Name of prescribed officer:			A Buthelezi
			Designation:			Chief People Officer
			Nature of transaction:			Vesting of deferred share awards and settlement by on-market sale of shares, in terms of the Harmony Deferred Share Plan 2018
			Vesting Date:			18 September 2025
			Class of securities:			Ordinary shares
			Number of ordinary shares vested:			31,412
			Number of ordinary shares retained:			20,766
			Date of transaction:			18 September 2025
			Number of vested shares sold:			4,399
			Highest price per share:			R268.50
			Lowest price per share:			R258.00
			Volume weighted average price per share:			R263.04
			Total value of shares:			R1,157,125.28
						Date of transaction:			22 September 2025
			Number of vested shares sold:			6,247
			Highest price per share:			R307.11
			Lowest price per share:			R299.25
			Volume weighted average price:			R301.31
			Total value of shares:			R1,882,294.19
			Nature and extent of prescribed officer’s interest:			Direct beneficial

6.			Name of prescribed officer:			FS Masemula
			Designation:			Deputy Group Chief Executive Officer
			Nature of transaction:			Vesting of deferred share awards and settlement by on-market sale of shares, in terms of the Harmony Deferred Share Plan 2018
			Vesting Date:			18 September 2025
			Class of securities:			Ordinary shares
			Number of ordinary shares vested:			9,954
			Date of transaction:			18 September 2025
			Number of vested shares sold:			9,954
			Highest price per share:			R268.50
			Lowest price per share:			R258.00
			Volume weighted average price per share:			R263.04
			Total value of shares:			R2,618,328.03
						Nature and extent of prescribed officer’s interest:			Direct beneficial

7.			Name of prescribed officer:			M van der Walt
			Designation:			Chief Corporate Officer
			Nature of transaction:			Vesting of deferred share awards and settlement by on-market sale of shares, in terms of the Harmony Deferred Share Plan 2018
			Vesting Date:			18 September 2025
			Class of securities:			Ordinary shares
			Number of ordinary shares vested:			51,040
			Number of ordinary shares retained:			25,519
			Date of transaction:			18 September 2025
			Number of vested shares sold:			19,330
			Highest price per share:			R268.50
			Lowest price per share:			R258.00
			Volume weighted average price per share:			R263.04
			Total value of shares:			R5,084,617.32
			Date of transaction:			22 September 2025
			Number of vested shares sold:			6 191
			Highest price per share:			R307.11
			Lowest price per share:			R299.25
			Volume weighted average price:			R301.31
			Total value of shares:			R1,865,420.73
						Nature and extent of prescribed officer’s interest:			Direct beneficial

8.			Name of prescribed officer:			J van Heerden
			Designation:			Chief Development Officer
			Nature of transaction:			Vesting of deferred share awards and settlement by on-market sale of shares, in terms of the Harmony Deferred Share Plan 2018
			Vesting Date:			18 September 2025
			Class of securities:			Ordinary shares
			Number of ordinary shares vested:			116,664
			Number of ordinary shares retained:			39,414
			Date of transaction			18 September 2025
			Number of vested shares sold:			31,527
			Highest price per share:			R268.50
			Lowest price per share:			R258.00
			Volume weighted average price per share:			R263.04
			Total value of shares:			R8,292,950.36
						Date of transaction:			22 September 2025
			Number of vested shares sold:			45,723
			Highest price per share:			R307.11
			Lowest price per share:			R299.25
			Volume weighted average price:			R301.31
			Total value of shares:			R13,776,874.86
			Nature and extent of prescribed officer’s interest:			Direct beneficial

8.			Name of company secretary:			SS Mohatla
			Designation:			Group Company Secretary
			Nature of transaction:			Vesting of deferred share awards and settlement by on-market sale of shares, in terms of the Harmony Deferred Share Plan 2018
			Vesting Date:			18 September 2025
			Class of securities:			Ordinary shares
			Number of ordinary shares vested:			25,211
			Date of transaction			18 September 2025
			Number of vested shares sold			14,058
			Highest price per share:			R268.50
			Lowest price per share:			R258.00
			Volume weighted average price per share			R263.04
			Total value of shares:			R3,697,855.68
			Date of transaction:			22 September 2025
			Number of vested shares sold:			11,153
						Highest price per share:			R307.11
						Lowest price per share:			R299.25
			Volume weighted average price:			R301.31
			Total value of shares:			R3,360,529.39
			Nature and extent of company secretary’s interest:			Direct beneficial

Prior clearance was obtained in respect of the above dealings in securities in compliance with paragraph 3.66 of the JSE Listings Requirements.

Ends.

For more details contact:

Jared Coetzer

Head of Investor Relations

+27 (0) 82 746 4120

Johannesburg, South Africa

25 September 2025

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: September 25, 2025									By: /s/ Boipelo Lekubo
									Name: Boipelo Lekubo
									Title: Financial Director