UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 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 August 2026

Commission File Number 001-41978

MIXED MARTIAL ARTS GROUP LIMITED

(Translation of registrant’s name into English)

Level 12, 347 Kent Street

Sydney, New South Wales 2000

(Address of principal executive office)

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

☒ Form 20-F           ☐ Form 40-F

MIXED MARTIAL ARTS GROUP LIMITED

EXPLANATORY NOTE

On August 20, 2026, the Company issued a press release titled “NYSE:MMA - MMA.INC Completes US$4.0 Million Private Placement at US$1.00 Per Share” as Exhibit 99.1 hereto.

Exhibit Index

SIGNATURE

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.